diff --git a/565Pathtracer 2013-10-02 08-18-44-04.wmv b/565Pathtracer 2013-10-02 08-18-44-04.wmv
new file mode 100644
index 0000000..4111eac
Binary files /dev/null and b/565Pathtracer 2013-10-02 08-18-44-04.wmv differ
diff --git a/PROJ1_WIN/565Pathtracer.sdf b/PROJ1_WIN/565Pathtracer.sdf
new file mode 100644
index 0000000..fea6439
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer.sdf differ
diff --git a/PROJ1_WIN/565Pathtracer.v11.suo b/PROJ1_WIN/565Pathtracer.v11.suo
new file mode 100644
index 0000000..801be1c
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer.v11.suo differ
diff --git a/PROJ1_WIN/565Pathtracer/2000.bmp b/PROJ1_WIN/565Pathtracer/2000.bmp
new file mode 100644
index 0000000..f21f40c
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/2000.bmp differ
diff --git a/PROJ1_WIN/565Pathtracer/565.bmp b/PROJ1_WIN/565Pathtracer/565.bmp
new file mode 100644
index 0000000..ae4f7b7
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/565.bmp differ
diff --git a/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj b/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj
index 4515c57..1e9eb32 100755
--- a/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj
+++ b/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj
@@ -20,6 +20,10 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\src\cudaMat4.h" />
+    <ClInclude Include="..\..\src\EasyBMP.h" />
+    <ClInclude Include="..\..\src\EasyBMP_BMP.h" />
+    <ClInclude Include="..\..\src\EasyBMP_DataStructures.h" />
+    <ClInclude Include="..\..\src\EasyBMP_VariousBMPutilities.h" />
     <ClInclude Include="..\..\src\glslUtility.h" />
     <ClInclude Include="..\..\src\image.h" />
     <ClInclude Include="..\..\src\interactions.h" />
@@ -30,20 +34,26 @@
     <ClInclude Include="..\..\src\sceneStructs.h" />
     <ClInclude Include="..\..\src\stb_image\stb_image.h" />
     <ClInclude Include="..\..\src\stb_image\stb_image_write.h" />
+    <ClInclude Include="..\..\src\tiny_obj_loader.h" />
     <ClInclude Include="..\..\src\utilities.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\..\src\EasyBMP.cpp" />
     <ClCompile Include="..\..\src\glslUtility.cpp" />
     <ClCompile Include="..\..\src\image.cpp" />
     <ClCompile Include="..\..\src\main.cpp" />
     <ClCompile Include="..\..\src\scene.cpp" />
     <ClCompile Include="..\..\src\stb_image\stb_image.c" />
     <ClCompile Include="..\..\src\stb_image\stb_image_write.c" />
+    <ClCompile Include="..\..\src\tiny_obj_loader.cc" />
     <ClCompile Include="..\..\src\utilities.cpp" />
   </ItemGroup>
   <ItemGroup>
     <CudaCompile Include="..\..\src\raytraceKernel.cu" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="..\..\src\EasyBMP_ChangeLog.txt" />
+  </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{FF21CA49-522E-4E86-B508-EE515B248FC4}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
@@ -75,7 +85,7 @@
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
-    <Import Project="..\Build\CUDA 4.0.props" />
+    <Import Project="$(VCTargetsPath)\BuildCustomizations\CUDA 5.5.props" />
   </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
@@ -109,7 +119,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v4.0\include;C:\ProgramData\NVIDIA Corporation\NVIDIA GPU Computing SDK 4.0\C\common\inc;../shared/glew/include;../shared/freeglut/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(NVCUDASAMPLES_ROOT)\common\inc;$(CudaToolkitIncludeDir);../shared/glew/include;../shared/freeglut/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -122,7 +132,8 @@
     </Link>
     <CudaCompile>
       <CompileOut>$(ProjectDir)$(Platform)/$(Configuration)/%(Filename)%(Extension).obj</CompileOut>
-      <Include>C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v4.0\include;C:/ProgramData/NVIDIA Corporation/NVIDIA GPU Computing SDK 4.0/C/common/inc;../shared/glew/includes;../shared/freeglut/includes</Include>
+      <Include>$(CudaToolkitIncludeDir);$(NVCUDASAMPLES_ROOT)\common\inc;../shared/glew/includes;../shared/freeglut/includes</Include>
+      <CodeGeneration>compute_20,sm_20</CodeGeneration>
     </CudaCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug (v5.5)|Win32'">
@@ -132,7 +143,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include;C:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc;../shared/glew/include;../shared/freeglut/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(NVCUDASAMPLES_ROOT)\common\inc;$(CudaToolkitIncludeDir);../shared/glew/include;../shared/freeglut/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -145,7 +156,10 @@
     </Link>
     <CudaCompile>
       <CompileOut>$(ProjectDir)$(Platform)/$(Configuration)/%(Filename)%(Extension).obj</CompileOut>
-      <Include>C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include;C:/ProgramData/NVIDIA Corporation/CUDA Samples/v5.5/common/inc;../shared/glew/includes;../shared/freeglut/includes</Include>
+      <Include>$(CudaToolkitIncludeDir);$(NVCUDASAMPLES_ROOT)\common\inc;../shared/glew/includes;../shared/freeglut/includes</Include>
+      <CodeGeneration>compute_20,sm_20</CodeGeneration>
+      <GPUDebugInfo>true</GPUDebugInfo>
+      <HostDebugInfo>true</HostDebugInfo>
     </CudaCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -182,7 +196,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include;C:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc;../shared/glew/include;../shared/freeglut/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(NVCUDASAMPLES_ROOT)\common\inc;$(CudaToolkitIncludeDir);../shared/glew/include;../shared/freeglut/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -195,11 +209,14 @@
     </Link>
     <CudaCompile>
       <CompileOut>$(ProjectDir)$(Platform)/$(Configuration)/%(Filename)%(Extension).obj</CompileOut>
-      <Include>C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include;C:/ProgramData/NVIDIA Corporation/CUDA Samples/v5.5/common/inc;../shared/glew/includes;../shared/freeglut/includes</Include>
+      <Include>$(CudaToolkitIncludeDir);$(NVCUDASAMPLES_ROOT)\common\inc;../shared/glew/includes;../shared/freeglut/includes</Include>
+      <CodeGeneration>compute_20,sm_20</CodeGeneration>
+      <GPUDebugInfo>false</GPUDebugInfo>
+      <HostDebugInfo>false</HostDebugInfo>
     </CudaCompile>
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
-    <Import Project="..\Build\CUDA 4.0.targets" />
+    <Import Project="$(VCTargetsPath)\BuildCustomizations\CUDA 5.5.targets" />
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj.filters b/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj.filters
index d49ad9c..4462629 100755
--- a/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj.filters
+++ b/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj.filters
@@ -12,6 +12,8 @@
     <ClCompile Include="..\..\src\stb_image\stb_image_write.c">
       <Filter>stb_image</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\tiny_obj_loader.cc" />
+    <ClCompile Include="..\..\src\EasyBMP.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\src\cudaMat4.h" />
@@ -30,6 +32,11 @@
     <ClInclude Include="..\..\src\stb_image\stb_image.h">
       <Filter>stb_image</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\tiny_obj_loader.h" />
+    <ClInclude Include="..\..\src\EasyBMP.h" />
+    <ClInclude Include="..\..\src\EasyBMP_BMP.h" />
+    <ClInclude Include="..\..\src\EasyBMP_DataStructures.h" />
+    <ClInclude Include="..\..\src\EasyBMP_VariousBMPutilities.h" />
   </ItemGroup>
   <ItemGroup>
     <CudaCompile Include="..\..\src\raytraceKernel.cu" />
@@ -39,4 +46,7 @@
       <UniqueIdentifier>{011aa553-95e8-4e59-b7ff-1bb89aebe21d}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="..\..\src\EasyBMP_ChangeLog.txt" />
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj.tiansijie.nvuser b/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj.tiansijie.nvuser
new file mode 100644
index 0000000..7320c3f
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/565Pathtracer.vcxproj.tiansijie.nvuser
@@ -0,0 +1,6 @@
+<ProjectSettingsModel DefinitionId="a218e900-1199-4ab1-a767-7976786f04d4" DisplayName="Nexus Project User Settings" xmlns="clr-namespace:Ark.PropertyModel;assembly=Ark">
+    <SettingsPointModel DefinitionId="3eb7ba04-016d-475e-b0ff-daa5f0e59a08" DisplayName="Launch">
+        <Property Name="Arguments" Value="scene=../../scenes/sampleScene.txt" />
+        <Property Name="WorkingDirectory" Value="D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer" />
+    </SettingsPointModel>
+</ProjectSettingsModel>
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.embed.manifest b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.embed.manifest
new file mode 100644
index 0000000..11bb704
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.embed.manifest	
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+      <requestedPrivileges>
+        <requestedExecutionLevel level="asInvoker" uiAccess="false"></requestedExecutionLevel>
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.embed.manifest.res b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.embed.manifest.res
new file mode 100644
index 0000000..9c8df0e
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.embed.manifest.res differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.intermediate.manifest b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.intermediate.manifest
new file mode 100644
index 0000000..ecea6f7
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.exe.intermediate.manifest	
@@ -0,0 +1,10 @@
+<?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+<assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+      <requestedPrivileges>
+        <requestedExecutionLevel level='asInvoker' uiAccess='false' />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.lastbuildstate b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.lastbuildstate
new file mode 100644
index 0000000..5824b32
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.lastbuildstate	
@@ -0,0 +1,2 @@
+#v4.0:v100:false
+Debug (v5.5)|Win32|D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\|
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.log b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.log
new file mode 100644
index 0000000..96f715d
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer.log	
@@ -0,0 +1,50 @@
+Build started 10/6/2013 2:05:31 PM.
+     1>Project "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\565Pathtracer.vcxproj" on node 2 (Build target(s)).
+     1>InitializeBuildStatus:
+         Creating "Debug (v5.5)\565Pathtracer.unsuccessfulbuild" because "AlwaysCreate" was specified.
+       AddCudaCompileDeps:
+       Skipping target "AddCudaCompileDeps" because all output files are up-to-date with respect to the input files.
+       AddCudaCompilePropsDeps:
+       Skipping target "AddCudaCompilePropsDeps" because all output files are up-to-date with respect to the input files.
+       CudaBuild:
+       Skipping target "CudaBuild" because all output files are up-to-date with respect to the input files.
+       ClCompile:
+         D:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\CL.exe /c /I"D:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc" /I"D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include" /I../shared/glew/include /I../shared/freeglut/include /I"D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include" /ZI /nologo /W3 /WX- /Od /Oy- /D WIN32 /D _DEBUG /D _CONSOLE /D _UNICODE /D UNICODE /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Fo"Debug (v5.5)\\" /Fd"Debug (v5.5)\vc100.pdb" /Gd /TP /analyze- /errorReport:prompt ..\..\src\main.cpp
+         main.cpp
+         Note: including lib: glut32.lib
+         
+     1>d:\class\565\project2\project2-pathtracer\src\glm\core\func_common.hpp : warning C4819: The file contains a character that cannot be represented in the current code page (936). Save the file in Unicode format to prevent data loss
+     1>d:\class\565\project2\project2-pathtracer\src\glm\core\func_common.inl : warning C4819: The file contains a character that cannot be represented in the current code page (936). Save the file in Unicode format to prevent data loss
+     1>d:\class\565\project2\project2-pathtracer\src\glm\core\func_integer.hpp : warning C4819: The file contains a character that cannot be represented in the current code page (936). Save the file in Unicode format to prevent data loss
+     1>d:\class\565\project2\project2-pathtracer\src\main.cpp(114): warning C4018: '<' : signed/unsigned mismatch
+     1>d:\class\565\project2\project2-pathtracer\src\main.cpp(123): warning C4018: '<' : signed/unsigned mismatch
+     1>d:\class\565\project2\project2-pathtracer\src\main.cpp(126): warning C4018: '<' : signed/unsigned mismatch
+         All outputs are up-to-date.
+       ManifestResourceCompile:
+         All outputs are up-to-date.
+       Link:
+         D:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe /ERRORREPORT:PROMPT /OUT:"D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Debug (v5.5)\565Pathtracer.exe" /INCREMENTAL /NOLOGO /LIBPATH:../shared/glew/lib /LIBPATH:../shared/freeglut/lib /LIBPATH:"D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\lib\Win32" cudart.lib glew32.lib glu32.lib opengl32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /MANIFEST /ManifestFile:"Debug (v5.5)\565Pathtracer.exe.intermediate.manifest" /MANIFESTUAC:"level='asInvoker' uiAccess='false'" /DEBUG /PDB:"D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Debug (v5.5)\565Pathtracer.pdb" /SUBSYSTEM:CONSOLE /TLBID:1 /ENTRY:"mainCRTStartup" /DYNAMICBASE /NXCOMPAT /IMPLIB:"D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Debug (v5.5)\565Pathtracer.lib" /MACHINE:X86 "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\Win32/Debug (v5.5)/raytraceKernel.cu.obj"
+         "Debug (v5.5)\565Pathtracer.exe.embed.manifest.res"
+         "Debug (v5.5)\EasyBMP.obj"
+         "Debug (v5.5)\glslUtility.obj"
+         "Debug (v5.5)\image.obj"
+         "Debug (v5.5)\main.obj"
+         "Debug (v5.5)\scene.obj"
+         "Debug (v5.5)\stb_image.obj"
+         "Debug (v5.5)\stb_image_write.obj"
+         "Debug (v5.5)\tiny_obj_loader.obj"
+         "Debug (v5.5)\utilities.obj"
+       Manifest:
+         C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin\mt.exe /nologo /verbose /out:"Debug (v5.5)\565Pathtracer.exe.embed.manifest" /manifest "Debug (v5.5)\565Pathtracer.exe.intermediate.manifest"
+         All outputs are up-to-date.
+       LinkEmbedManifest:
+         All outputs are up-to-date.
+         565Pathtracer.vcxproj -> D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Debug (v5.5)\565Pathtracer.exe
+       FinalizeBuildStatus:
+         Deleting file "Debug (v5.5)\565Pathtracer.unsuccessfulbuild".
+         Touching "Debug (v5.5)\565Pathtracer.lastbuildstate".
+     1>Done Building Project "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\565Pathtracer.vcxproj" (Build target(s)).
+
+Build succeeded.
+
+Time Elapsed 00:00:01.80
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer_manifest.rc b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer_manifest.rc
new file mode 100644
index 0000000..2888130
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/565Pathtracer_manifest.rc differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/CL.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/CL.read.1.tlog
new file mode 100644
index 0000000..9844d42
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/CL.read.1.tlog differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/CL.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/CL.write.1.tlog
new file mode 100644
index 0000000..8f6b88f
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/CL.write.1.tlog differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/EasyBMP.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/EasyBMP.obj
new file mode 100644
index 0000000..f3772df
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/EasyBMP.obj differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/cl.command.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/cl.command.1.tlog
new file mode 100644
index 0000000..6cebb9d
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/cl.command.1.tlog differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/glslUtility.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/glslUtility.obj
new file mode 100644
index 0000000..95e1940
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/glslUtility.obj differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/image.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/image.obj
new file mode 100644
index 0000000..f7337d1
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/image.obj differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link-cvtres.read.1.tlog	
@@ -0,0 +1 @@
+ÿþ
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link-cvtres.write.1.tlog	
@@ -0,0 +1 @@
+ÿþ
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916-cvtres.read.1.tlog	
@@ -0,0 +1 @@
+ÿþ
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916-cvtres.write.1.tlog	
@@ -0,0 +1 @@
+ÿþ
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
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@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.10916.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.11180.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.13224.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
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@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.15752.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
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@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2096.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2204.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.2872.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.3652.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
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@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4420.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.4452.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6800.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.6872.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684-cvtres.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684-cvtres.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684-cvtres.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684-cvtres.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684-cvtres.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684-cvtres.write.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684.read.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684.read.1.tlog	
@@ -0,0 +1 @@
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684.write.1.tlog
new file mode 100644
index 0000000..46b134b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.8684.write.1.tlog	
@@ -0,0 +1 @@
+ÿþ
\ No newline at end of file
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.command.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.command.1.tlog
new file mode 100644
index 0000000..32aacaa
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.read.1.tlog
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/link.write.1.tlog
new file mode 100644
index 0000000..053d395
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/main.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/main.obj
new file mode 100644
index 0000000..d95958b
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/mt.command.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/mt.command.1.tlog
new file mode 100644
index 0000000..da41d6c
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/mt.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/mt.read.1.tlog
new file mode 100644
index 0000000..e13e14d
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/mt.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/mt.write.1.tlog
new file mode 100644
index 0000000..e13e14d
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/raytraceKernel.cu.cache b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/raytraceKernel.cu.cache
new file mode 100644
index 0000000..3ca60e2
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/raytraceKernel.cu.cache	
@@ -0,0 +1,49 @@
+Identity=..\..\src\raytraceKernel.cu
+AdditionalCompilerOptions=
+AdditionalCompilerOptions=
+AdditionalDependencies=
+AdditionalDeps=
+AdditionalLibraryDirectories=
+AdditionalOptions=
+AdditionalOptions=
+CInterleavedPTX=false
+CodeGeneration=compute_20,sm_20
+CodeGeneration=compute_20,sm_20
+CompileOut=D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\Win32/Debug (v5.5)/raytraceKernel.cu.obj
+CudaRuntime=Static
+CudaToolkitCustomDir=
+Defines=;WIN32;_DEBUG;_CONSOLE;_UNICODE;UNICODE;
+Emulation=false
+FastMath=false
+GenerateLineInfo=false
+GenerateRelocatableDeviceCode=false
+GPUDebugInfo=true
+GPUDebugInfo=true
+HostDebugInfo=true
+Include=D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include;D:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc;../shared/glew/includes;../shared/freeglut/includes;D:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc;D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include;../shared/glew/include;../shared/freeglut/include;;D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include
+Inputs=
+Keep=false
+KeepDir=Debug (v5.5)
+LinkOut=
+MaxRegCount=0
+NvccCompilation=compile
+NvccPath=
+Optimization=Od
+Optimization=Od
+PerformDeviceLink=
+PtxAsOptionV=false
+RequiredIncludes=
+Runtime=MDd
+Runtime=MDd
+RuntimeChecks=RTC1
+RuntimeChecks=RTC1
+TargetMachinePlatform=32
+TargetMachinePlatform=32
+TypeInfo=
+TypeInfo=
+UseHostDefines=true
+UseHostInclude=true
+UseHostLibraryDependencies=
+UseHostLibraryDirectories=
+Warning=W3
+Warning=W3
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/rc.command.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/rc.command.1.tlog
new file mode 100644
index 0000000..2d07bc9
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/rc.read.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/rc.read.1.tlog
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/rc.write.1.tlog b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/rc.write.1.tlog
new file mode 100644
index 0000000..6e0b06a
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/scene.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/scene.obj
new file mode 100644
index 0000000..32d6cdf
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/stb_image.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/stb_image.obj
new file mode 100644
index 0000000..3f7511c
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/stb_image_write.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/stb_image_write.obj
new file mode 100644
index 0000000..5d7583a
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/tiny_obj_loader.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/tiny_obj_loader.obj
new file mode 100644
index 0000000..1478e6d
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/utilities.obj b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/utilities.obj
new file mode 100644
index 0000000..6e5171b
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diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/vc100.idb b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/vc100.idb
new file mode 100644
index 0000000..d9a8dd3
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/vc100.idb differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug (v5.5)/vc100.pdb b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/vc100.pdb
new file mode 100644
index 0000000..0fffdba
Binary files /dev/null and b/PROJ1_WIN/565Pathtracer/Debug (v5.5)/vc100.pdb differ
diff --git a/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.lastbuildstate b/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.lastbuildstate
new file mode 100644
index 0000000..6f89fbd
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.lastbuildstate
@@ -0,0 +1,2 @@
+#v4.0:v100:false
+Debug|Win32|D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\|
diff --git a/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.log b/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.log
new file mode 100644
index 0000000..997b02a
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.log
@@ -0,0 +1,14 @@
+Build started 9/22/2013 3:52:14 PM.
+     1>Project "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\565Pathtracer.vcxproj" on node 2 (Build target(s)).
+     1>PrepareForBuild:
+         Creating directory "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Debug\".
+       InitializeBuildStatus:
+         Creating "Debug\565Pathtracer.unsuccessfulbuild" because "AlwaysCreate" was specified.
+       AddCudaCompileDeps:
+         D:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\cl.exe /E /nologo /showIncludes /TP /Iinclude /I"D:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc" /I../shared/glew/includes /I../shared/freeglut/includes /Ibin /Iinclude /I. /FIcuda_runtime.h /c D:\Class\565\Project2\Project2-Pathtracer\src\raytraceKernel.cu 
+     1>D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Build\CUDA 4.0.targets(245,9): error : The CUDA Toolkit v4.0 directory '' does not exist.  Please verify the CUDA Toolkit is installed properly or define the CudaToolkitDir property to resolve this error.
+     1>Done Building Project "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\565Pathtracer.vcxproj" (Build target(s)) -- FAILED.
+
+Build FAILED.
+
+Time Elapsed 00:00:06.78
diff --git a/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.unsuccessfulbuild b/PROJ1_WIN/565Pathtracer/Debug/565Pathtracer.unsuccessfulbuild
new file mode 100644
index 0000000..e69de29
diff --git a/PROJ1_WIN/565Pathtracer/Debug/raytraceKernel.cu.cache b/PROJ1_WIN/565Pathtracer/Debug/raytraceKernel.cu.cache
new file mode 100644
index 0000000..3b5d9a3
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Debug/raytraceKernel.cu.cache
@@ -0,0 +1,26 @@
+Identity=..\..\src\raytraceKernel.cu
+AdditionalDeps=
+AdditionalOptions=
+CInterleavedPTX=false
+CodeGeneration=compute_20,sm_20
+CompileOut=D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\Win32/Debug/raytraceKernel.cu.obj
+CudaToolkitCustomDir=
+Defines=
+Emulation=false
+FastMath=false
+GPUDebugInfo=true
+HostDebugInfo=true
+Include=include;D:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc;../shared/glew/includes;../shared/freeglut/includes
+Keep=false
+KeepDir=Debug
+MaxRegCount=0
+NvccCompilation=compile
+NvccPath=
+Optimization=Od
+PtxAsOptionV=false
+RequiredIncludes=
+Runtime=MDd
+RuntimeChecks=Default
+TargetMachinePlatform=32
+TypeInfo=false
+Warning=W3
diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.exe.intermediate.manifest b/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.exe.intermediate.manifest
new file mode 100644
index 0000000..ecea6f7
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.exe.intermediate.manifest	
@@ -0,0 +1,10 @@
+<?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+<assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+      <requestedPrivileges>
+        <requestedExecutionLevel level='asInvoker' uiAccess='false' />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>
diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.lastbuildstate b/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.lastbuildstate
new file mode 100644
index 0000000..898d9c5
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.lastbuildstate	
@@ -0,0 +1,2 @@
+#v4.0:v100:false
+Release (v5.5)|Win32|D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\|
diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.log b/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.log
new file mode 100644
index 0000000..d70338a
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Release (v5.5)/565Pathtracer.log	
@@ -0,0 +1,46 @@
+Build started 10/12/2013 11:27:24 PM.
+     1>Project "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\565Pathtracer.vcxproj" on node 2 (Build target(s)).
+     1>InitializeBuildStatus:
+         Creating "Release (v5.5)\565Pathtracer.unsuccessfulbuild" because "AlwaysCreate" was specified.
+       AddCudaCompileDeps:
+       Skipping target "AddCudaCompileDeps" because all output files are up-to-date with respect to the input files.
+       AddCudaCompilePropsDeps:
+       Skipping target "AddCudaCompilePropsDeps" because all output files are up-to-date with respect to the input files.
+       CudaBuild:
+       Skipping target "CudaBuild" because all output files are up-to-date with respect to the input files.
+       ClCompile:
+         D:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\CL.exe /c /I"D:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc" /I"D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include" /I../shared/glew/include /I../shared/freeglut/include /I"D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\include" /Zi /nologo /W3 /WX- /O2 /Oi /Oy- /GL /D WIN32 /D NDEBUG /D _CONSOLE /D _UNICODE /D UNICODE /Gm- /EHsc /MD /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Fo"Release (v5.5)\\" /Fd"Release (v5.5)\vc100.pdb" /Gd /TP /analyze- /errorReport:prompt ..\..\src\main.cpp
+         main.cpp
+         Note: including lib: glut32.lib
+         
+     1>d:\class\565\project2\project2-pathtracer\src\glm\./core/func_common.hpp : warning C4819: The file contains a character that cannot be represented in the current code page (936). Save the file in Unicode format to prevent data loss
+     1>d:\class\565\project2\project2-pathtracer\src\glm\core\func_common.inl : warning C4819: The file contains a character that cannot be represented in the current code page (936). Save the file in Unicode format to prevent data loss
+     1>d:\class\565\project2\project2-pathtracer\src\glm\./core/func_integer.hpp : warning C4819: The file contains a character that cannot be represented in the current code page (936). Save the file in Unicode format to prevent data loss
+     1>..\..\src\main.cpp(117): warning C4018: '<' : signed/unsigned mismatch
+     1>..\..\src\main.cpp(126): warning C4018: '<' : signed/unsigned mismatch
+     1>..\..\src\main.cpp(129): warning C4018: '<' : signed/unsigned mismatch
+         All outputs are up-to-date.
+       Link:
+         D:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe /ERRORREPORT:PROMPT /OUT:"D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Release (v5.5)\565Pathtracer.exe" /INCREMENTAL:NO /NOLOGO /LIBPATH:../shared/glew/lib /LIBPATH:../shared/freeglut/lib /LIBPATH:"D:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\lib\Win32" cudart.lib glew32.lib glu32.lib opengl32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /MANIFEST /ManifestFile:"Release (v5.5)\565Pathtracer.exe.intermediate.manifest" /MANIFESTUAC:"level='asInvoker' uiAccess='false'" /DEBUG /PDB:"D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Release (v5.5)\565Pathtracer.pdb" /SUBSYSTEM:CONSOLE /OPT:REF /OPT:ICF /LTCG /TLBID:1 /ENTRY:"mainCRTStartup" /DYNAMICBASE /NXCOMPAT /IMPLIB:"D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Release (v5.5)\565Pathtracer.lib" /MACHINE:X86 "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\Win32/Release (v5.5)/raytraceKernel.cu.obj"
+         "Release (v5.5)\EasyBMP.obj"
+         "Release (v5.5)\glslUtility.obj"
+         "Release (v5.5)\image.obj"
+         "Release (v5.5)\main.obj"
+         "Release (v5.5)\scene.obj"
+         "Release (v5.5)\stb_image.obj"
+         "Release (v5.5)\stb_image_write.obj"
+         "Release (v5.5)\tiny_obj_loader.obj"
+         "Release (v5.5)\utilities.obj"
+         Generating code
+         Finished generating code
+         565Pathtracer.vcxproj -> D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Release (v5.5)\565Pathtracer.exe
+       Manifest:
+         C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin\mt.exe /nologo /verbose /outputresource:"D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\Release (v5.5)\565Pathtracer.exe;#1" /manifest "Release (v5.5)\565Pathtracer.exe.intermediate.manifest"
+       FinalizeBuildStatus:
+         Deleting file "Release (v5.5)\565Pathtracer.unsuccessfulbuild".
+         Touching "Release (v5.5)\565Pathtracer.lastbuildstate".
+     1>Done Building Project "D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\565Pathtracer.vcxproj" (Build target(s)).
+
+Build succeeded.
+
+Time Elapsed 00:00:07.79
diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/CL.read.1.tlog b/PROJ1_WIN/565Pathtracer/Release (v5.5)/CL.read.1.tlog
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/EasyBMP.obj b/PROJ1_WIN/565Pathtracer/Release (v5.5)/EasyBMP.obj
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/cl.command.1.tlog b/PROJ1_WIN/565Pathtracer/Release (v5.5)/cl.command.1.tlog
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/glslUtility.obj b/PROJ1_WIN/565Pathtracer/Release (v5.5)/glslUtility.obj
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/image.obj b/PROJ1_WIN/565Pathtracer/Release (v5.5)/image.obj
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/link.command.1.tlog b/PROJ1_WIN/565Pathtracer/Release (v5.5)/link.command.1.tlog
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/main.obj b/PROJ1_WIN/565Pathtracer/Release (v5.5)/main.obj
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/mt.command.1.tlog b/PROJ1_WIN/565Pathtracer/Release (v5.5)/mt.command.1.tlog
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new file mode 100644
index 0000000..fbd43f9
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/mt.write.1.tlog b/PROJ1_WIN/565Pathtracer/Release (v5.5)/mt.write.1.tlog
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diff --git a/PROJ1_WIN/565Pathtracer/Release (v5.5)/raytraceKernel.cu.cache b/PROJ1_WIN/565Pathtracer/Release (v5.5)/raytraceKernel.cu.cache
new file mode 100644
index 0000000..f12ad5b
--- /dev/null
+++ b/PROJ1_WIN/565Pathtracer/Release (v5.5)/raytraceKernel.cu.cache	
@@ -0,0 +1,49 @@
+Identity=..\..\src\raytraceKernel.cu
+AdditionalCompilerOptions=
+AdditionalCompilerOptions=
+AdditionalDependencies=
+AdditionalDeps=
+AdditionalLibraryDirectories=
+AdditionalOptions=
+AdditionalOptions=
+CInterleavedPTX=false
+CodeGeneration=compute_20,sm_20
+CodeGeneration=compute_20,sm_20
+CompileOut=D:\Class\565\Project2\Project2-Pathtracer\PROJ1_WIN\565Pathtracer\Win32/Release (v5.5)/raytraceKernel.cu.obj
+CudaRuntime=Static
+CudaToolkitCustomDir=
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+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\urlmon.h
+c:\program files (x86)\microsoft sdks\windows\v7.0a\include\oleidl.h
+c:\program files (x86)\microsoft sdks\windows\v7.0a\include\servprov.h
+c:\program files (x86)\microsoft sdks\windows\v7.0a\include\msxml.h
+c:\program files (x86)\microsoft sdks\windows\v7.0a\include\oaidl.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\propidl.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\poppack.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\oleauto.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\pshpack8.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\poppack.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\poppack.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\commdlg.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\prsht.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\pshpack1.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\poppack.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\stralign.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\winsvc.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\mcx.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\imm.h
+C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\include\ime_cmodes.h
+d:\class\565\project2\project2-pathtracer\src\EasyBMP.h
+D:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\include\cctype
+d:\class\565\project2\project2-pathtracer\src\EasyBMP_DataStructures.h
+d:\class\565\project2\project2-pathtracer\src\EasyBMP_BMP.h
+d:\class\565\project2\project2-pathtracer\src\EasyBMP_VariousBMPutilities.h
+D:\ProgramData\NVIDIA Corporation\CUDA Samples\v5.5\common\inc\helper_math.h
diff --git a/Paper_Texture_by_Spiteful_Pie_Stock.jpg b/Paper_Texture_by_Spiteful_Pie_Stock.jpg
new file mode 100644
index 0000000..33e45f5
Binary files /dev/null and b/Paper_Texture_by_Spiteful_Pie_Stock.jpg differ
diff --git a/README.md b/README.md
index 55897b6..bc5d731 100755
--- a/README.md
+++ b/README.md
@@ -1,3 +1,79 @@
+![Alt text](/renders/Scattering.0.bmp "With Subsurface scattering")
+
+![Alt text](/renders/test4000.0WithOBJ.bmp "With OBJ Loader")
+
+
+
+CUDA Path Tracing
+-------------------------------------------------------------------------------
+**Description:**
+
+In this project, except for implementing the basic requirement of Pathtracer, I also did motion blur, depth of filed, fresnel-based refraction and OBJ mesh loader.
+
+For the path tracer, due the recursion ability of GPU, I decided to change the path tracer to a iterative one. I multiply the color for each time the ray hit an object. If before the max depth of iteration, the ray hit the light, then add this color to scene, otherwise, just simply set this color to black. I accumulate the color for each iteration and divide by the iteration for rendering. At the every beginning of each iteration, I will jitter around the ray direction using random number, which can has the effect of supersampled antialiasing. 
+
+For the stream compaction in my program, you can find the #define at the very top of .cu file. Comment out this #define STREAMCOMPACTION is to turn off the stream compaction. With great help of our TA, Liam, I also found out the the stream compaction will be faster only when the number of depth for path tracing is bigger than 10. If this depth number is smaller than 10, then the original path tracer actually is faster than stream compaction. I am using thrust to manage the ray pool.
+
+The motion blur part currently is hard coded in my program and using translation motion blur. Basically it's just moving a specific object forward and backward in each iteration. I have #define MOTIONBLUR at the very top of .cn file for turning off or on this effect.
+
+For the depth of filed, I changed the camera aim at position base on the focal length and jitter camera position at the initialization of ray cast from camera. I have #define DOF at the very top of .cu file for turning on and off this effect. 
+
+In fresnel refraction, I treated the light as unpolarised and average the result of reflection coefficient from s-polarised and p-polarized. Then the refraction coefficient is just using T = 1 - R. 
+
+The OBJ mesh loader I am using TinyObjLoader from [https://github.com/syoyo/tinyobjloader](https://github.com/syoyo/tinyobjloader "TinyOBJLoader"), which is a simple, robust and easy to use library. Then I added the triangle intersection function for testing the ray intersect with triangle in the mesh. Due to the ability of my graphic card, it cannot load a large mesh file.
+
+The subsurface scattering, I am using the dipole light source method to represent multiple scattering. Please refer this paper for more information about subsurface scattering [A Practical Model for Subsurface Light Transport](http://graphics.ucsd.edu/~henrik/papers/bssrdf/) 
+
+Interactive camera, using the w, a, s, d to move the camera forward, left, backward and right. Using the move drag to rotate the camera. 
+
+**Performance Evaluation:**
+
+I did performance evaluation in stream compaction and without stream compaction related to the max depth for iteration. There is a very interesting result here. When the max depth is smaller than 10, the path tracer without stream compaction is actually faster than the one with stream compaction. However, when I keep increasing the max depth, the time for path tracer without stream compaction goes up very quickly. The iteration time for path tracer with stream compaction goes up very slow with the increasing max depth.
+
+I think the reason why the number of max depth is small and the normal path tracer is faster is because there is a lot of transaction between host and device in stream compaction, which the program spend a lot of time on it. Also, in one iteration, the program has to launch kernel for several times, which also takes some time for the program to execute. These two main reasons lead to the stream compaction in small number of max depth is slower than normal path tracer. 
+
+As the max depth goes up, the time for normal path tracer goes up really quickly, but the stream compaction becomes steady. The reason why stream compaction becomes steady is that although the max depth goes up, the number of ray in pool actually is become empty before it hits the limit of iteration times. Therefore, in spite of the max depth number is increasing, there is no big effect on stream compaction. 
+
+ ![Alt text](/ScperformaceTest.png "Stream Compaction and Max Depth")
+
+**Instruction for Building:**
+
+I am currently using CUDA 5.5 for my project and I also set my computation ability to 2.0.
+
+For loading the obj mesh, change the cube or sphere in the scene file to the obj file path.
+
+
+**Third Party Code:**
+
+TinyObjLoader [https://github.com/syoyo/tinyobjloader](https://github.com/syoyo/tinyobjloader "TinyOBJLoader")
+
+The OBJ file I found it here [http://people.sc.fsu.edu/~jburkardt/data/obj/obj.html](http://people.sc.fsu.edu/~jburkardt/data/obj/obj.html "OBJ FILES")
+
+
+
+**Video:**
+
+[Video shows the interactive camera](http://vimeo.com/76803159)
+
+**Screen Shots:**
+
+![Alt text](/renders/test5000.0MB.bmp "With Motion Blur")
+
+![Alt text](/renders/test5000.0DOP.bmp "With DOP")
+
+![Alt text](/renders/test5000.0DOP2.bmp "With DOP")
+
+![Alt text](/renders/test3500.0OBJ.bmp "With OBJ Loader")
+
+![Alt text](/renders/texture.bmp "Texutre Map")
+
+![Alt text](/renders/subscattering.bmp "Subsurface Scattering")
+
+![Alt text](/renders/test4000.0.bmp "For fun")
+
+
+
+
 -------------------------------------------------------------------------------
 CIS565: Project 2: CUDA Pathtracer
 -------------------------------------------------------------------------------
diff --git a/ScperformaceTest.png b/ScperformaceTest.png
new file mode 100644
index 0000000..699869c
Binary files /dev/null and b/ScperformaceTest.png differ
diff --git a/TextureX Stone Pebble Rocky Beach Grey Texture.jpg b/TextureX Stone Pebble Rocky Beach Grey Texture.jpg
new file mode 100644
index 0000000..05d07da
Binary files /dev/null and b/TextureX Stone Pebble Rocky Beach Grey Texture.jpg differ
diff --git a/pyramid.obj b/pyramid.obj
new file mode 100644
index 0000000..f2c4ca1
--- /dev/null
+++ b/pyramid.obj
@@ -0,0 +1,16 @@
+# OBJ file created by ply_to_obj.c
+#
+g Object001
+
+v  0  0  0
+v  1  0  0
+v  1  1  0
+v  0  1  0
+v  0.5  0.5  1.6
+
+f  4  1  2
+f  3  4  2
+f  5  2  1
+f  4  5  1
+f  3  5  4
+f  5  3  2
diff --git a/renders/Scattering.0.bmp b/renders/Scattering.0.bmp
new file mode 100644
index 0000000..078e073
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diff --git a/renders/subscattering.bmp b/renders/subscattering.bmp
new file mode 100644
index 0000000..de9d23a
Binary files /dev/null and b/renders/subscattering.bmp differ
diff --git a/renders/test2500.0 - Copy (2).bmp b/renders/test2500.0 - Copy (2).bmp
new file mode 100644
index 0000000..b11ee25
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diff --git a/renders/test2500.0.bmp b/renders/test2500.0.bmp
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index 0000000..b11ee25
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diff --git a/renders/test3000.0 - Copy.bmp b/renders/test3000.0 - Copy.bmp
new file mode 100644
index 0000000..2214a01
Binary files /dev/null and b/renders/test3000.0 - Copy.bmp differ
diff --git a/renders/test3000.0.bmp b/renders/test3000.0.bmp
new file mode 100644
index 0000000..2214a01
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diff --git a/renders/test3500.0 - Copy (3).bmp b/renders/test3500.0 - Copy (3).bmp
new file mode 100644
index 0000000..3482c9f
Binary files /dev/null and b/renders/test3500.0 - Copy (3).bmp differ
diff --git a/renders/test3500.0 - Copy (4).bmp b/renders/test3500.0 - Copy (4).bmp
new file mode 100644
index 0000000..ce3d351
Binary files /dev/null and b/renders/test3500.0 - Copy (4).bmp differ
diff --git a/renders/test3500.0OBJ.bmp b/renders/test3500.0OBJ.bmp
new file mode 100644
index 0000000..f8e7f36
Binary files /dev/null and b/renders/test3500.0OBJ.bmp differ
diff --git a/renders/test3500.0OBJ2.bmp b/renders/test3500.0OBJ2.bmp
new file mode 100644
index 0000000..72c7d26
Binary files /dev/null and b/renders/test3500.0OBJ2.bmp differ
diff --git a/renders/test3500.0OBJ3.bmp b/renders/test3500.0OBJ3.bmp
new file mode 100644
index 0000000..ce3d351
Binary files /dev/null and b/renders/test3500.0OBJ3.bmp differ
diff --git a/renders/test4000.0 - Copy.bmp b/renders/test4000.0 - Copy.bmp
new file mode 100644
index 0000000..1c4042b
Binary files /dev/null and b/renders/test4000.0 - Copy.bmp differ
diff --git a/renders/test4000.0.bmp b/renders/test4000.0.bmp
new file mode 100644
index 0000000..d0fb58f
Binary files /dev/null and b/renders/test4000.0.bmp differ
diff --git a/renders/test4000.0WithOBJ.bmp b/renders/test4000.0WithOBJ.bmp
new file mode 100644
index 0000000..80393ae
Binary files /dev/null and b/renders/test4000.0WithOBJ.bmp differ
diff --git a/renders/test4000FUN.0.bmp b/renders/test4000FUN.0.bmp
new file mode 100644
index 0000000..d6ee583
Binary files /dev/null and b/renders/test4000FUN.0.bmp differ
diff --git a/renders/test5000.0.bmp b/renders/test5000.0.bmp
new file mode 100644
index 0000000..f3a5d23
Binary files /dev/null and b/renders/test5000.0.bmp differ
diff --git a/renders/test5000.0DOP.bmp b/renders/test5000.0DOP.bmp
new file mode 100644
index 0000000..5238287
Binary files /dev/null and b/renders/test5000.0DOP.bmp differ
diff --git a/renders/test5000.0DOP2.bmp b/renders/test5000.0DOP2.bmp
new file mode 100644
index 0000000..06a12cb
Binary files /dev/null and b/renders/test5000.0DOP2.bmp differ
diff --git a/renders/test5000.0MB.bmp b/renders/test5000.0MB.bmp
new file mode 100644
index 0000000..d423304
Binary files /dev/null and b/renders/test5000.0MB.bmp differ
diff --git a/renders/texture.bmp b/renders/texture.bmp
new file mode 100644
index 0000000..5ca6c1c
Binary files /dev/null and b/renders/texture.bmp differ
diff --git a/scenes/pyramid.obj b/scenes/pyramid.obj
new file mode 100644
index 0000000..f2c4ca1
--- /dev/null
+++ b/scenes/pyramid.obj
@@ -0,0 +1,16 @@
+# OBJ file created by ply_to_obj.c
+#
+g Object001
+
+v  0  0  0
+v  1  0  0
+v  1  1  0
+v  0  1  0
+v  0.5  0.5  1.6
+
+f  4  1  2
+f  3  4  2
+f  5  2  1
+f  4  5  1
+f  3  5  4
+f  5  3  2
diff --git a/scenes/sampleScene - Copy (2).txt b/scenes/sampleScene - Copy (2).txt
new file mode 100644
index 0000000..faa3b3a
--- /dev/null
+++ b/scenes/sampleScene - Copy (2).txt	
@@ -0,0 +1,247 @@
+MATERIAL 0				//white diffuse
+RGB         0.9 0.9 0.9       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 1 				//red diffuse
+RGB         .63 .06 .04       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 2 				//green diffuse
+RGB         .15 .48 .09      
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 3 				//red glossy
+RGB         .63 .26 .24      
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 4 				//white glossy
+RGB         1 1 1     
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     2      
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 5 				//glass
+RGB         0 0 0    
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        1        
+REFRIOR     1.8       
+SCATTER     0        
+ABSCOEFF    .02 5.1 5.7      
+RSCTCOEFF   13
+EMITTANCE   0
+
+MATERIAL 6 				//green glossy
+RGB         .35 .48 .29      
+//RGB         .48 .48 .48      
+SPECEX      0      
+SPECRGB     1 1 1     
+REFL        1       
+REFR        0        
+REFRIOR     2.6       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 7				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   1
+
+MATERIAL 8				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   15
+
+MATERIAL 9 				//yellow diffuse
+RGB         .83 .96 .14 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 10 				//blue reflective
+RGB         .23 .16 .94 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0      
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+CAMERA
+RES         800 800
+FOVY        25
+ITERATIONS  4000
+FILE        test4000.bmp
+frame 0
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+frame 1
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+
+OBJECT 0
+cube
+material 0
+frame 0
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+frame 1
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+
+OBJECT 1
+cube
+material 10
+frame 0
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+frame 1
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+
+OBJECT 2
+cube
+material 0
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+
+OBJECT 3
+cube
+material 1
+frame 0
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+OBJECT 4
+cube
+material 2
+frame 0
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+
+
+OBJECT 5
+D:\Class\565\Project2\Project2-Pathtracer\src\humanoid_tri.obj
+material 3
+frame 0
+TRANS       -3 -5 1
+ROTAT       -90 10 60
+SCALE       .8 .8 .8
+frame 1
+TRANS       -3 -5 1
+ROTAT       -90 10 60
+SCALE       .8 .8 .8
+
+
+OBJECT 6
+cube
+material 8 
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 6 6
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 6 6
+
+
+OBJECT 7
+cube
+material 6 
+frame 0
+TRANS       -5 5 -1
+ROTAT       0 0 0
+SCALE       .1 8 8
+frame 1
+TRANS       -5 5 -1
+ROTAT       0 0 0
+SCALE       .1 8 8
\ No newline at end of file
diff --git a/scenes/sampleScene - Copy (3).txt b/scenes/sampleScene - Copy (3).txt
new file mode 100644
index 0000000..1a644d1
--- /dev/null
+++ b/scenes/sampleScene - Copy (3).txt	
@@ -0,0 +1,280 @@
+MATERIAL 0				//white diffuse
+RGB         0.9 0.9 0.9       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 1 				//red diffuse
+RGB         .63 .06 .04       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 2 				//green diffuse
+RGB         .15 .48 .09      
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 3 				//red glossy
+RGB         .63 .26 .24      
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 4 				//white glossy
+RGB         1 1 1     
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     2      
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 5 				//glass
+RGB         0 0 0    
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        1        
+REFRIOR     2.2       
+SCATTER     0        
+ABSCOEFF    .02 5.1 5.7      
+RSCTCOEFF   13
+EMITTANCE   0
+
+MATERIAL 6 				//green glossy
+RGB         .35 .48 .29      
+//RGB         .48 .48 .48      
+SPECEX      0      
+SPECRGB     1 1 1     
+REFL        0.3       
+REFR        0        
+REFRIOR     2.6       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 7				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   1
+
+MATERIAL 8				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   15
+
+MATERIAL 9 				//yellow diffuse
+RGB         .83 .96 .14 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 10 				//blue reflective
+RGB         .23 .16 .94 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0      
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+CAMERA
+RES         800 800
+FOVY        25
+ITERATIONS  4000
+FILE        test4000.bmp
+frame 0
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+frame 1
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+
+OBJECT 0
+cube
+material 0
+frame 0
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+frame 1
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+
+OBJECT 1
+cube
+material 10
+frame 0
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+frame 1
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+
+OBJECT 2
+cube
+material 0
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+
+OBJECT 3
+cube
+material 1
+frame 0
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+OBJECT 4
+cube
+material 2
+frame 0
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+OBJECT 5
+sphere
+material 5
+frame 0
+TRANS       1 2 0
+ROTAT       0 180 0
+SCALE       3 3 3
+frame 1
+TRANS       0 2 0
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 6
+sphere
+material 3
+frame 0
+TRANS       2 5 2
+ROTAT       0 180 0
+SCALE       2.5 2.5 2.5
+frame 1
+TRANS       2 5 2
+ROTAT       0 180 0
+SCALE       2.5 2.5 2.5
+
+OBJECT 7
+sphere
+material 6
+frame 0
+TRANS       -2 7 -2
+ROTAT       0 180 0
+SCALE       3 3 3
+frame 1
+TRANS       -2 5 -2
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 8
+cube
+material 8 
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 3 3
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 3 3
+
+OBJECT 9
+cube
+material 9 
+frame 0
+TRANS       -3 3 0
+ROTAT       0 60 30
+SCALE       2 2 2
+frame 1
+TRANS       3 3 0
+ROTAT       0 60 30
+SCALE       2 2 2
+
+OBJECT 10
+cube
+material 6 
+frame 0
+TRANS       -5 5 -1
+ROTAT       0 0 0
+SCALE       .1 6 8
+frame 1
+TRANS       -5 5 -1
+ROTAT       0 0 0
+SCALE       .1 6 8
+
diff --git a/scenes/sampleScene - Copy (4).txt b/scenes/sampleScene - Copy (4).txt
new file mode 100644
index 0000000..2529513
--- /dev/null
+++ b/scenes/sampleScene - Copy (4).txt	
@@ -0,0 +1,312 @@
+MATERIAL 0				//white diffuse
+RGB         0.9 0.9 0.9       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 1 				//red diffuse
+RGB         .63 .06 .04       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 2 				//green diffuse
+RGB         .15 .48 .09      
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 3 				//red glossy
+RGB         .63 .26 .24      
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 4 				//white glossy
+RGB         1 1 1     
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     2      
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 5 				//glass
+RGB         0 0 0    
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        1        
+REFRIOR     2.2       
+SCATTER     0        
+ABSCOEFF    .02 5.1 5.7      
+RSCTCOEFF   13
+EMITTANCE   0
+
+MATERIAL 6 				//green glossy
+//RGB         .35 .48 .29      
+RGB         .48 .48 .48      
+SPECEX      0      
+SPECRGB     1 1 1     
+REFL        0.8       
+REFR        0        
+REFRIOR     2.6       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 7				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   1
+
+MATERIAL 8				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   15
+
+MATERIAL 9 				//yellow diffuse
+RGB         .83 .96 .14 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0.7       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 10 				//blue reflective
+RGB         .23 .16 .94 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0.5     
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+MATERIAL 11 				//black reflective
+RGB         0.12 .13 .15 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0.4   
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+MATERIAL 12 				//orange reflective
+RGB         .83 .46 .1 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0     
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+CAMERA
+RES         800 800
+FOVY        26
+ITERATIONS  4000
+FILE        test4000FUN.bmp
+frame 0
+EYE         0 4.5 21
+VIEW        0 0 -1
+UP          0 1 0
+
+
+OBJECT 0
+cube
+material 0
+frame 0
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 25 25
+
+
+
+//back
+OBJECT 1
+cube
+material 6
+frame 0
+TRANS       -4 5 -7
+ROTAT       0 -60 0
+SCALE       .01 25 25 
+
+
+OBJECT 2
+cube
+material 6
+frame 0
+TRANS       4 5 -7
+ROTAT       0 60 0
+SCALE       .01 25 25
+
+
+//top
+OBJECT 3
+cube
+material 0
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 25 25
+
+
+//right
+OBJECT 4
+cube
+material 6
+frame 0
+TRANS       -7 5 0
+ROTAT       0 -20 0
+SCALE       .01 15 15
+
+OBJECT 5
+cube
+material 6
+frame 0
+TRANS       -7 5 8
+ROTAT       0 20 0
+SCALE       .01 15 15
+
+
+
+//left
+OBJECT 6
+cube
+material 6
+frame 0
+TRANS       7 5 0
+ROTAT       0 20 0
+SCALE       .01 15 15
+
+
+OBJECT 7
+cube
+material 6
+frame 0
+TRANS       7 5 8
+ROTAT       0 -20 0
+SCALE       .01 15 15
+
+OBJECT 8
+sphere
+material 10
+frame 0
+TRANS       0 6 2
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 9
+sphere
+material 5
+frame 0
+TRANS       0 2 5
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 10
+sphere
+material 9
+frame 0
+TRANS       0 3 -1
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 11
+sphere
+material 3
+frame 0
+TRANS       3 3 2
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 12
+sphere
+material 2
+frame 0
+TRANS       -3 3 2
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 13
+sphere
+material 11
+frame 0
+TRANS       -5 2 4
+ROTAT       0 180 0
+SCALE       2 2 2
+
+OBJECT 14
+sphere
+material 12
+frame 0
+TRANS       5 2 4
+ROTAT       0 180 0
+SCALE       2 2 2
+
+
+
+OBJECT 15
+cube
+material 8 
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 6 6
\ No newline at end of file
diff --git a/scenes/sampleScene - Copy (5).txt b/scenes/sampleScene - Copy (5).txt
new file mode 100644
index 0000000..8788cd1
--- /dev/null
+++ b/scenes/sampleScene - Copy (5).txt	
@@ -0,0 +1,257 @@
+MATERIAL 0				//white diffuse
+RGB         0.9 0.9 0.9       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     1       
+SCATTER     0       
+ABSCOEFF    0.5 0.5 0.5    
+RSCTCOEFF   0.9
+EMITTANCE   0
+
+MATERIAL 1 				//red diffuse
+RGB         .63 .06 .04       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0       
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 2 				//green diffuse
+RGB         .15 .48 .09      
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 3 				//red glossy
+RGB         .63 .26 .24      
+SPECEX      20      
+SPECRGB     1 1 1       
+REFL        0.1      
+REFR        0        
+REFRIOR     2       
+SCATTER     0   
+ABSCOEFF    0.8 0.3 0.5      
+RSCTCOEFF   7.6
+EMITTANCE   0
+
+MATERIAL 4 				//white glossy
+RGB         1 1 1     
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     2      
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 5 				//glass
+RGB         0 0 0    
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        1        
+REFRIOR     2.2       
+SCATTER     0        
+ABSCOEFF    .02 5.1 5.7      
+RSCTCOEFF   13
+EMITTANCE   0
+
+MATERIAL 6 				//green glossy
+//RGB         .35 .48 .29      
+RGB         .48 .48 .48      
+SPECEX      0      
+SPECRGB     1 1 1     
+REFL        1       
+REFR        0        
+REFRIOR     2.6       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 7				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   1
+
+MATERIAL 8				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   20
+
+MATERIAL 9 				//yellow diffuse
+RGB         .83 .96 .14 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0.4 0.3 0.7      
+RSCTCOEFF   2.1
+EMITTANCE   0
+
+MATERIAL 10 				//blue reflective
+RGB         .23 .16 .94 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0      
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+CAMERA
+RES         800 800
+FOVY        25
+ITERATIONS  1000
+FILE        test1000Scatter.bmp
+frame 0
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+frame 1
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+
+OBJECT 0
+cube
+material 0
+frame 0
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+frame 1
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+
+OBJECT 1
+cube
+material 10
+frame 0
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+frame 1
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+
+OBJECT 2
+cube
+material 0
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+
+OBJECT 3
+cube
+material 1
+frame 0
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+OBJECT 4
+cube
+material 2
+frame 0
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+OBJECT 5
+sphere
+material 5
+frame 0
+TRANS       1 2 0
+ROTAT       0 180 0
+SCALE       3 3 3
+frame 1
+TRANS       0 2 0
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 6
+sphere
+material 3
+frame 0
+TRANS       2 5 0
+ROTAT       0 180 0
+SCALE       3 3 3
+frame 1
+TRANS       2 5 2
+ROTAT       0 180 0
+SCALE       2.5 2.5 2.5
+
+OBJECT 7
+sphere
+material 6
+frame 0
+TRANS       -2 7 -2
+ROTAT       0 180 0
+SCALE       3 3 3
+frame 1
+TRANS       -2 5 -2
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 8
+cube
+material 8 
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 3 3
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 3 3
+
+
diff --git a/scenes/sampleScene - Copy.txt b/scenes/sampleScene - Copy.txt
new file mode 100644
index 0000000..b77213a
--- /dev/null
+++ b/scenes/sampleScene - Copy.txt	
@@ -0,0 +1,280 @@
+MATERIAL 0				//white diffuse
+RGB         0.9 0.9 0.9       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 1 				//red diffuse
+RGB         .63 .06 .04       
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 2 				//green diffuse
+RGB         .15 .48 .09      
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 3 				//red glossy
+RGB         .63 .26 .24      
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 4 				//white glossy
+RGB         1 1 1     
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        0        
+REFRIOR     2      
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 5 				//glass
+RGB         0 0 0    
+SPECEX      0      
+SPECRGB     1 1 1      
+REFL        0       
+REFR        1        
+REFRIOR     2.2       
+SCATTER     0        
+ABSCOEFF    .02 5.1 5.7      
+RSCTCOEFF   13
+EMITTANCE   0
+
+MATERIAL 6 				//green glossy
+//RGB         .35 .48 .29      
+RGB         .48 .48 .48      
+SPECEX      0      
+SPECRGB     1 1 1     
+REFL        1       
+REFR        0        
+REFRIOR     2.6       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 7				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   1
+
+MATERIAL 8				//light
+RGB         1 1 1       
+SPECEX      0      
+SPECRGB     0 0 0       
+REFL        0       
+REFR        0        
+REFRIOR     0       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   15
+
+MATERIAL 9 				//yellow diffuse
+RGB         .83 .96 .14 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 10 				//blue reflective
+RGB         .23 .16 .94 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0      
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+CAMERA
+RES         800 800
+FOVY        25
+ITERATIONS  4000
+FILE        test4000.bmp
+frame 0
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+frame 1
+EYE         0 4.5 14
+VIEW        0 0 -1
+UP          0 1 0
+
+OBJECT 0
+cube
+material 0
+frame 0
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+frame 1
+TRANS       0 0 0
+ROTAT       0 0 90
+SCALE       .01 10 10 
+
+OBJECT 1
+cube
+material 10
+frame 0
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+frame 1
+TRANS       0 5 -5
+ROTAT       0 90 0
+SCALE       .01 10 10 
+
+OBJECT 2
+cube
+material 0
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 10 10
+
+OBJECT 3
+cube
+material 1
+frame 0
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       -5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+OBJECT 4
+cube
+material 2
+frame 0
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+frame 1
+TRANS       5 5 0
+ROTAT       0 0 0
+SCALE       .01 10 10
+
+OBJECT 5
+sphere
+material 5
+frame 0
+TRANS       1 2 0
+ROTAT       0 180 0
+SCALE       3 3 3
+frame 1
+TRANS       0 2 0
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 6
+sphere
+material 3
+frame 0
+TRANS       2 5 2
+ROTAT       0 180 0
+SCALE       2.5 2.5 2.5
+frame 1
+TRANS       2 5 2
+ROTAT       0 180 0
+SCALE       2.5 2.5 2.5
+
+OBJECT 7
+sphere
+material 6
+frame 0
+TRANS       -2 7 -2
+ROTAT       0 180 0
+SCALE       3 3 3
+frame 1
+TRANS       -2 5 -2
+ROTAT       0 180 0
+SCALE       3 3 3
+
+OBJECT 8
+cube
+material 8 
+frame 0
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 3 3
+frame 1
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .3 3 3
+
+OBJECT 9
+cube
+material 9 
+frame 0
+TRANS       -3 3 0
+ROTAT       0 60 30
+SCALE       2 2 2
+frame 1
+TRANS       3 3 0
+ROTAT       0 60 30
+SCALE       2 2 2
+
+OBJECT 10
+cube
+material 6 
+frame 0
+TRANS       -5 5 -1
+ROTAT       0 0 0
+SCALE       .1 6 8
+frame 1
+TRANS       -5 5 -1
+ROTAT       0 0 0
+SCALE       .1 6 8
+
diff --git a/scenes/sampleScene.txt b/scenes/sampleScene.txt
index 52d079e..6fe10e4 100755
--- a/scenes/sampleScene.txt
+++ b/scenes/sampleScene.txt
@@ -36,14 +36,14 @@ EMITTANCE   0
 
 MATERIAL 3 				//red glossy
 RGB         .63 .26 .24      
-SPECEX      0      
+SPECEX      20      
 SPECRGB     1 1 1       
-REFL        0       
+REFL        0.1      
 REFR        0        
 REFRIOR     2       
-SCATTER     0        
-ABSCOEFF    0 0 0      
-RSCTCOEFF   0
+SCATTER     0.6  
+ABSCOEFF    0.8 0.3 0.5      
+RSCTCOEFF   7.6
 EMITTANCE   0
 
 MATERIAL 4 				//white glossy
@@ -71,10 +71,11 @@ RSCTCOEFF   13
 EMITTANCE   0
 
 MATERIAL 6 				//green glossy
-RGB         .35 .48 .29      
+//RGB         .35 .48 .29      
+RGB         .48 .48 .48      
 SPECEX      0      
 SPECRGB     1 1 1     
-REFL        0       
+REFL        0.8       
 REFR        0        
 REFRIOR     2.6       
 SCATTER     0        
@@ -106,124 +107,206 @@ ABSCOEFF    0 0 0
 RSCTCOEFF   0
 EMITTANCE   15
 
+MATERIAL 9 				//yellow diffuse
+RGB         .83 .96 .14 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0.7       
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+MATERIAL 10 				//blue reflective
+RGB         .23 .16 .94 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0.5     
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+MATERIAL 11 				//black reflective
+RGB         0.12 .13 .15 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0.4   
+REFR        0        
+REFRIOR     2       
+SCATTER     0        
+ABSCOEFF    0 0 0      
+RSCTCOEFF   0
+EMITTANCE   0
+
+
+MATERIAL 12 				//orange reflective
+RGB         .83 .46 .1 
+SPECEX      0      
+SPECRGB     1 1 1       
+REFL        0     
+REFR        0        
+REFRIOR     2       
+SCATTER     0.7        
+ABSCOEFF    0.9 0.1 0.3      
+RSCTCOEFF   2.3
+EMITTANCE   0
+
+
 CAMERA
 RES         800 800
-FOVY        25
-ITERATIONS  5000
-FILE        test.bmp
+FOVY        26
+ITERATIONS  4000
+FILE        test4000FUNScattering.bmp
 frame 0
-EYE         0 4.5 12
-VIEW        0 0 -1
-UP          0 1 0
-frame 1
-EYE         0 4.5 12
+EYE         0 4.5 21
 VIEW        0 0 -1
 UP          0 1 0
 
+
 OBJECT 0
 cube
 material 0
 frame 0
 TRANS       0 0 0
 ROTAT       0 0 90
-SCALE       .01 10 10 
-frame 1
-TRANS       0 0 0
-ROTAT       0 0 90
-SCALE       .01 10 10 
+SCALE       .01 25 25
+
+
 
+//back
 OBJECT 1
 cube
-material 0
+material 6
 frame 0
-TRANS       0 5 -5
-ROTAT       0 90 0
-SCALE       .01 10 10 
-frame 1
-TRANS       0 5 -5
-ROTAT       0 90 0
-SCALE       .01 10 10 
+TRANS       -4 5 -7
+ROTAT       0 -60 0
+SCALE       .01 25 25 
+
 
 OBJECT 2
 cube
-material 0
+material 6
 frame 0
-TRANS       0 10 0
-ROTAT       0 0 90
-SCALE       .01 10 10
-frame 1
-TRANS       0 10 0
-ROTAT       0 0 90
-SCALE       .01 10 10
+TRANS       4 5 -7
+ROTAT       0 60 0
+SCALE       .01 25 25
+
 
+//top
 OBJECT 3
 cube
-material 1
+material 0
 frame 0
-TRANS       -5 5 0
-ROTAT       0 0 0
-SCALE       .01 10 10
-frame 1
-TRANS       -5 5 0
-ROTAT       0 0 0
-SCALE       .01 10 10
+TRANS       0 10 0
+ROTAT       0 0 90
+SCALE       .01 25 25
 
+
+//right
 OBJECT 4
 cube
-material 2
+material 6
 frame 0
-TRANS       5 5 0
-ROTAT       0 0 0
-SCALE       .01 10 10
-frame 1
-TRANS       5 5 0
-ROTAT       0 0 0
-SCALE       .01 10 10
+TRANS       -7 5 0
+ROTAT       0 -20 0
+SCALE       .01 15 15
 
 OBJECT 5
+cube
+material 6
+frame 0
+TRANS       -7 5 8
+ROTAT       0 20 0
+SCALE       .01 15 15
+
+
+
+//left
+OBJECT 6
+cube
+material 6
+frame 0
+TRANS       7 5 0
+ROTAT       0 20 0
+SCALE       .01 15 15
+
+
+OBJECT 7
+cube
+material 6
+frame 0
+TRANS       7 5 8
+ROTAT       0 -20 0
+SCALE       .01 15 15
+
+OBJECT 8
 sphere
-material 4
+material 10
 frame 0
-TRANS       0 2 0
+TRANS       0 6 2
 ROTAT       0 180 0
 SCALE       3 3 3
-frame 1
-TRANS       0 2 0
+
+OBJECT 9
+sphere
+material 5
+frame 0
+TRANS       0 2 5
 ROTAT       0 180 0
 SCALE       3 3 3
 
-OBJECT 6
+OBJECT 10
 sphere
-material 3
+material 9
 frame 0
-TRANS       2 5 2
-ROTAT       0 180 0
-SCALE       2.5 2.5 2.5
-frame 1
-TRANS       2 5 2
+TRANS       0 3 -1
 ROTAT       0 180 0
-SCALE       2.5 2.5 2.5
+SCALE       3 3 3
 
-OBJECT 7
+OBJECT 11
 sphere
-material 6
+material 3
 frame 0
-TRANS       -2 5 -2
+TRANS       3 3 2
 ROTAT       0 180 0
 SCALE       3 3 3
-frame 1
-TRANS       -2 5 -2
+
+OBJECT 12
+sphere
+material 2
+frame 0
+TRANS       -3 3 2
 ROTAT       0 180 0
 SCALE       3 3 3
 
-OBJECT 8
+OBJECT 13
+sphere
+material 11
+frame 0
+TRANS       -5 2 4
+ROTAT       0 180 0
+SCALE       2 2 2
+
+OBJECT 14
+sphere
+material 12
+frame 0
+TRANS       5 2 4
+ROTAT       0 180 0
+SCALE       2 2 2
+
+
+
+OBJECT 15
 cube
 material 8 
 frame 0
 TRANS       0 10 0
 ROTAT       0 0 90
-SCALE       .3 3 3
-frame 1
-TRANS       0 10 0
-ROTAT       0 0 90
-SCALE       .3 3 3
+SCALE       .3 6 6
\ No newline at end of file
diff --git a/src/EasyBMP.cpp b/src/EasyBMP.cpp
new file mode 100644
index 0000000..4e2b006
--- /dev/null
+++ b/src/EasyBMP.cpp
@@ -0,0 +1,1905 @@
+/*************************************************
+*                                                *
+*  EasyBMP Cross-Platform Windows Bitmap Library * 
+*                                                *
+*  Author: Paul Macklin                          *
+*   email: macklin01@users.sourceforge.net       *
+* support: http://easybmp.sourceforge.net        *
+*                                                *
+*          file: EasyBMP.cpp                     * 
+*    date added: 03-31-2006                      *
+* date modified: 12-01-2006                      *
+*       version: 1.06                            *
+*                                                *
+*   License: BSD (revised/modified)              *
+* Copyright: 2005-6 by the EasyBMP Project       * 
+*                                                *
+* description: Actual source file                *
+*                                                *
+*************************************************/
+
+#include "EasyBMP.h"
+
+/* These functions are defined in EasyBMP.h */
+
+bool EasyBMPwarnings = true;
+
+void SetEasyBMPwarningsOff( void )
+{ EasyBMPwarnings = false; }
+void SetEasyBMPwarningsOn( void )
+{ EasyBMPwarnings = true; }
+bool GetEasyBMPwarningState( void )
+{ return EasyBMPwarnings; }
+
+/* These functions are defined in EasyBMP_DataStructures.h */
+
+int IntPow( int base, int exponent )
+{
+ int i;
+ int output = 1;
+ for( i=0 ; i < exponent ; i++ )
+ { output *= base; }
+ return output;
+}
+
+BMFH::BMFH()
+{
+ bfType = 19778;
+ bfReserved1 = 0;
+ bfReserved2 = 0;
+}
+
+void BMFH::SwitchEndianess( void )
+{
+ bfType = FlipWORD( bfType );
+ bfSize = FlipDWORD( bfSize );
+ bfReserved1 = FlipWORD( bfReserved1 );
+ bfReserved2 = FlipWORD( bfReserved2 );
+ bfOffBits = FlipDWORD( bfOffBits );
+ return;
+}
+
+BMIH::BMIH()
+{
+ biPlanes = 1;
+ biCompression = 0;
+ biXPelsPerMeter = DefaultXPelsPerMeter;  
+ biYPelsPerMeter = DefaultYPelsPerMeter;
+ biClrUsed = 0;
+ biClrImportant = 0;
+}
+
+void BMIH::SwitchEndianess( void )
+{
+ biSize = FlipDWORD( biSize );
+ biWidth = FlipDWORD( biWidth );
+ biHeight = FlipDWORD( biHeight );
+ biPlanes = FlipWORD( biPlanes );
+ biBitCount = FlipWORD( biBitCount );
+ biCompression = FlipDWORD( biCompression );
+ biSizeImage = FlipDWORD( biSizeImage );
+ biXPelsPerMeter = FlipDWORD( biXPelsPerMeter );
+ biYPelsPerMeter = FlipDWORD( biYPelsPerMeter );
+ biClrUsed = FlipDWORD( biClrUsed );
+ biClrImportant = FlipDWORD( biClrImportant );
+ return;
+}
+
+void BMIH::display( void )
+{
+ using namespace std;
+ cout << "biSize: " << (int) biSize << endl
+      << "biWidth: " << (int) biWidth << endl
+      << "biHeight: " << (int) biHeight << endl
+      << "biPlanes: " << (int) biPlanes << endl
+      << "biBitCount: " << (int) biBitCount << endl
+      << "biCompression: " << (int) biCompression << endl
+      << "biSizeImage: " << (int) biSizeImage << endl
+      << "biXPelsPerMeter: " << (int) biXPelsPerMeter << endl
+      << "biYPelsPerMeter: " << (int) biYPelsPerMeter << endl
+      << "biClrUsed: " << (int) biClrUsed << endl
+      << "biClrImportant: " << (int) biClrImportant << endl << endl;
+}
+
+void BMFH::display( void )
+{
+ using namespace std;
+ cout << "bfType: " << (int) bfType << endl
+      << "bfSize: " << (int) bfSize << endl
+      << "bfReserved1: " << (int) bfReserved1 << endl
+      << "bfReserved2: " << (int) bfReserved2 << endl
+      << "bfOffBits: " << (int) bfOffBits << endl << endl;
+}
+
+/* These functions are defined in EasyBMP_BMP.h */
+
+RGBApixel BMP::GetPixel( int i, int j ) const
+{
+ using namespace std;
+ bool Warn = false;
+ if( i >= Width )
+ { i = Width-1; Warn = true; }
+ if( i < 0 )
+ { i = 0; Warn = true; }
+ if( j >= Height )
+ { j = Height-1; Warn = true; }
+ if( j < 0 )
+ { j = 0; Warn = true; }
+ if( Warn && EasyBMPwarnings )
+ {
+  cout << "EasyBMP Warning: Attempted to access non-existent pixel;" << endl
+       << "                 Truncating request to fit in the range [0,"
+       << Width-1 << "] x [0," << Height-1 << "]." << endl;
+ }	
+ return Pixels[i][j];
+}
+
+bool BMP::SetPixel( int i, int j, RGBApixel NewPixel )
+{
+ Pixels[i][j] = NewPixel;
+ return true;
+}
+
+
+bool BMP::SetColor( int ColorNumber , RGBApixel NewColor )
+{
+ using namespace std;
+ if( BitDepth != 1 && BitDepth != 4 && BitDepth != 8 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Attempted to change color table for a BMP object" << endl
+        << "                 that lacks a color table. Ignoring request." << endl;
+  }
+  return false;
+ }
+ if( !Colors )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Attempted to set a color, but the color table" << endl
+        << "                 is not defined. Ignoring request." << endl; 
+  }
+  return false; 
+ }
+ if( ColorNumber >= TellNumberOfColors() )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Requested color number " 
+        << ColorNumber << " is outside the allowed" << endl
+        << "                 range [0," << TellNumberOfColors()-1 
+	    << "]. Ignoring request to set this color." << endl;
+  }
+  return false;
+ }
+ Colors[ColorNumber] = NewColor;
+ return true;
+}
+
+// RGBApixel BMP::GetColor( int ColorNumber ) const
+RGBApixel BMP::GetColor( int ColorNumber )
+{ 
+ RGBApixel Output;
+ Output.Red   = 255;
+ Output.Green = 255;
+ Output.Blue  = 255;
+ Output.Alpha = 0;
+ 
+ using namespace std;
+ if( BitDepth != 1 && BitDepth != 4 && BitDepth != 8 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Attempted to access color table for a BMP object" << endl
+        << "                 that lacks a color table. Ignoring request." << endl;
+  }
+  return Output;
+ }
+ if( !Colors )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Requested a color, but the color table" << endl
+        << "                 is not defined. Ignoring request." << endl;
+  }
+  return Output; 
+ }
+ if( ColorNumber >= TellNumberOfColors() )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Requested color number " 
+        << ColorNumber << " is outside the allowed" << endl
+        << "                 range [0," << TellNumberOfColors()-1 
+	    << "]. Ignoring request to get this color." << endl;
+  }
+  return Output;
+ }
+ Output = Colors[ColorNumber];
+ return Output;
+}
+
+BMP::BMP()
+{
+ Width = 1;
+ Height = 1;
+ BitDepth = 24;
+ Pixels = new RGBApixel* [Width];
+ Pixels[0] = new RGBApixel [Height];
+ Colors = NULL;
+ 
+ XPelsPerMeter = 0;
+ YPelsPerMeter = 0;
+ 
+ MetaData1 = NULL;
+ SizeOfMetaData1 = 0;
+ MetaData2 = NULL;
+ SizeOfMetaData2 = 0;
+}
+
+// BMP::BMP( const BMP& Input )
+BMP::BMP( BMP& Input )
+{
+ // first, make the image empty.
+
+ Width = 1;
+ Height = 1;
+ BitDepth = 24;
+ Pixels = new RGBApixel* [Width];
+ Pixels[0] = new RGBApixel [Height];
+ Colors = NULL; 
+ XPelsPerMeter = 0;
+ YPelsPerMeter = 0;
+ 
+ MetaData1 = NULL;
+ SizeOfMetaData1 = 0;
+ MetaData2 = NULL;
+ SizeOfMetaData2 = 0;
+
+ // now, set the correct bit depth
+ 
+ SetBitDepth( Input.TellBitDepth() );
+ 
+ // set the correct pixel size 
+ 
+ SetSize( Input.TellWidth() , Input.TellHeight() );
+
+ // set the DPI information from Input
+ 
+ SetDPI( Input.TellHorizontalDPI() , Input.TellVerticalDPI() );
+ 
+ // if there is a color table, get all the colors
+
+ if( BitDepth == 1 || BitDepth == 4 ||  
+     BitDepth == 8 )
+ {
+  for( int k=0 ; k < TellNumberOfColors() ; k++ )
+  {
+   SetColor( k, Input.GetColor( k )); 
+  }
+ }
+ 
+ // get all the pixels 
+ 
+ for( int j=0; j < Height ; j++ )
+ {
+  for( int i=0; i < Width ; i++ )
+  {
+   Pixels[i][j] = *Input(i,j);
+//   Pixels[i][j] = Input.GetPixel(i,j); // *Input(i,j);
+  }
+ }
+}
+
+BMP::~BMP()
+{
+ int i;
+ for(i=0;i<Width;i++)
+ { delete [] Pixels[i]; }
+ delete [] Pixels;
+ if( Colors )
+ { delete [] Colors; }
+ 
+ if( MetaData1 )
+ { delete [] MetaData1; }
+ if( MetaData2 )
+ { delete [] MetaData2; }
+} 
+
+RGBApixel* BMP::operator()(int i, int j)
+{
+ using namespace std;
+ bool Warn = false;
+ if( i >= Width )
+ { i = Width-1; Warn = true; }
+ if( i < 0 )
+ { i = 0; Warn = true; }
+ if( j >= Height )
+ { j = Height-1; Warn = true; }
+ if( j < 0 )
+ { j = 0; Warn = true; }
+ if( Warn && EasyBMPwarnings )
+ {
+  cout << "EasyBMP Warning: Attempted to access non-existent pixel;" << endl
+       << "                 Truncating request to fit in the range [0,"
+       << Width-1 << "] x [0," << Height-1 << "]." << endl;
+ }	
+ return &(Pixels[i][j]);
+}
+
+// int BMP::TellBitDepth( void ) const
+int BMP::TellBitDepth( void )
+{ return BitDepth; }
+
+// int BMP::TellHeight( void ) const
+int BMP::TellHeight( void )
+{ return Height; }
+
+// int BMP::TellWidth( void ) const
+int BMP::TellWidth( void )
+{ return Width; }
+
+// int BMP::TellNumberOfColors( void ) const
+int BMP::TellNumberOfColors( void )
+{
+ int output = IntPow( 2, BitDepth );
+ if( BitDepth == 32 )
+ { output = IntPow( 2, 24 ); }
+ return output;
+}
+
+bool BMP::SetBitDepth( int NewDepth )
+{
+ using namespace std;
+ if( NewDepth != 1 && NewDepth != 4 && 
+     NewDepth != 8 && NewDepth != 16 && 
+     NewDepth != 24 && NewDepth != 32 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: User attempted to set unsupported bit depth " 
+        << NewDepth << "." << endl
+        << "                 Bit depth remains unchanged at " 
+	    << BitDepth << "." << endl;
+  }
+  return false;
+ }
+ 
+ BitDepth = NewDepth;
+ if( Colors )
+ { delete [] Colors; }
+ int NumberOfColors = IntPow( 2, BitDepth );
+ if( BitDepth == 1 || BitDepth == 4 || BitDepth == 8 )
+ { Colors = new RGBApixel [NumberOfColors]; }
+ else
+ { Colors = NULL; } 
+ if( BitDepth == 1 || BitDepth == 4 || BitDepth == 8 )
+ { CreateStandardColorTable(); }
+ 
+ return true;
+}
+
+bool BMP::SetSize(int NewWidth , int NewHeight )
+{
+ using namespace std;
+ if( NewWidth <= 0 || NewHeight <= 0 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: User attempted to set a non-positive width or height." << endl
+        << "                 Size remains unchanged at " 
+        << Width << " x " << Height << "." << endl;
+  }
+  return false;
+ }
+
+ int i,j; 
+
+ for(i=0;i<Width;i++)
+ { delete [] Pixels[i]; }
+ delete [] Pixels;
+
+ Width = NewWidth;
+ Height = NewHeight;
+ Pixels = new RGBApixel* [ Width ]; 
+ 
+ for(i=0; i<Width; i++)
+ { Pixels[i] = new RGBApixel [ Height ]; }
+ 
+ for( i=0 ; i < Width ; i++)
+ {
+  for( j=0 ; j < Height ; j++ )
+  {
+   Pixels[i][j].Red = 255; 
+   Pixels[i][j].Green = 255; 
+   Pixels[i][j].Blue = 255; 
+   Pixels[i][j].Alpha = 0;    
+  }
+ }
+
+ return true; 
+}
+
+bool BMP::WriteToFile( const char* FileName )
+{
+ using namespace std;
+ if( !EasyBMPcheckDataSize() )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: Data types are wrong size!" << endl
+        << "               You may need to mess with EasyBMP_DataTypes.h" << endl
+	    << "               to fix these errors, and then recompile." << endl
+	    << "               All 32-bit and 64-bit machines should be" << endl
+	    << "               supported, however." << endl << endl;
+  }
+  return false; 
+ }
+ 
+ FILE* fp = fopen( FileName, "wb" );
+ if( fp == NULL )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: Cannot open file " 
+        << FileName << " for output." << endl;
+  }
+  fclose( fp );
+  return false;
+ }
+  
+ // some preliminaries
+ 
+ double dBytesPerPixel = ( (double) BitDepth ) / 8.0;
+ double dBytesPerRow = dBytesPerPixel * (Width+0.0);
+ dBytesPerRow = ceil(dBytesPerRow);
+  
+ int BytePaddingPerRow = 4 - ( (int) (dBytesPerRow) )% 4;
+ if( BytePaddingPerRow == 4 )
+ { BytePaddingPerRow = 0; } 
+ 
+ double dActualBytesPerRow = dBytesPerRow + BytePaddingPerRow;
+ 
+ double dTotalPixelBytes = Height * dActualBytesPerRow;
+ 
+ double dPaletteSize = 0;
+ if( BitDepth == 1 || BitDepth == 4 || BitDepth == 8 )
+ { dPaletteSize = IntPow(2,BitDepth)*4.0; }
+
+ // leave some room for 16-bit masks 
+ if( BitDepth == 16 )
+ { dPaletteSize = 3*4; }
+ 
+ double dTotalFileSize = 14 + 40 + dPaletteSize + dTotalPixelBytes;
+ 
+ // write the file header 
+ 
+ BMFH bmfh;
+ bmfh.bfSize = (ebmpDWORD) dTotalFileSize; 
+ bmfh.bfReserved1 = 0; 
+ bmfh.bfReserved2 = 0; 
+ bmfh.bfOffBits = (ebmpDWORD) (14+40+dPaletteSize);  
+ 
+ if( IsBigEndian() )
+ { bmfh.SwitchEndianess(); }
+ 
+ fwrite( (char*) &(bmfh.bfType) , sizeof(ebmpWORD) , 1 , fp );
+ fwrite( (char*) &(bmfh.bfSize) , sizeof(ebmpDWORD) , 1 , fp );
+ fwrite( (char*) &(bmfh.bfReserved1) , sizeof(ebmpWORD) , 1 , fp );
+ fwrite( (char*) &(bmfh.bfReserved2) , sizeof(ebmpWORD) , 1 , fp );
+ fwrite( (char*) &(bmfh.bfOffBits) , sizeof(ebmpDWORD) , 1 , fp );
+ 
+ // write the info header 
+ 
+ BMIH bmih;
+ bmih.biSize = 40;
+ bmih.biWidth = Width;
+ bmih.biHeight = Height;
+ bmih.biPlanes = 1;
+ bmih.biBitCount = BitDepth;
+ bmih.biCompression = 0;
+ bmih.biSizeImage = (ebmpDWORD) dTotalPixelBytes;
+ if( XPelsPerMeter )
+ { bmih.biXPelsPerMeter = XPelsPerMeter; }
+ else
+ { bmih.biXPelsPerMeter = DefaultXPelsPerMeter; }
+ if( YPelsPerMeter )
+ { bmih.biYPelsPerMeter = YPelsPerMeter; }
+ else
+ { bmih.biYPelsPerMeter = DefaultYPelsPerMeter; }
+
+ bmih.biClrUsed = 0;
+ bmih.biClrImportant = 0;
+
+ // indicates that we'll be using bit fields for 16-bit files
+ if( BitDepth == 16 )
+ { bmih.biCompression = 3; }
+ 
+ if( IsBigEndian() )
+ { bmih.SwitchEndianess(); }
+ 
+ fwrite( (char*) &(bmih.biSize) , sizeof(ebmpDWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biWidth) , sizeof(ebmpDWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biHeight) , sizeof(ebmpDWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biPlanes) , sizeof(ebmpWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biBitCount) , sizeof(ebmpWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biCompression) , sizeof(ebmpDWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biSizeImage) , sizeof(ebmpDWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biXPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp );
+ fwrite( (char*) &(bmih.biYPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp ); 
+ fwrite( (char*) &(bmih.biClrUsed) , sizeof(ebmpDWORD) , 1 , fp);
+ fwrite( (char*) &(bmih.biClrImportant) , sizeof(ebmpDWORD) , 1 , fp);
+ 
+ // write the palette 
+ if( BitDepth == 1 || BitDepth == 4 || BitDepth == 8 )
+ {
+  int NumberOfColors = IntPow(2,BitDepth);
+  
+  // if there is no palette, create one 
+  if( !Colors )
+  {
+   if( !Colors )
+   { Colors = new RGBApixel [NumberOfColors]; }
+   CreateStandardColorTable(); 
+  }
+   
+  int n;
+  for( n=0 ; n < NumberOfColors ; n++ )
+  { fwrite( (char*) &(Colors[n]) , 4 , 1 , fp ); }
+ }
+ 
+ // write the pixels 
+ int i,j;
+ if( BitDepth != 16 )
+ {  
+  ebmpBYTE* Buffer;
+  int BufferSize = (int) ( (Width*BitDepth)/8.0 );
+  while( 8*BufferSize < Width*BitDepth )
+  { BufferSize++; }
+  while( BufferSize % 4 )
+  { BufferSize++; }
+  
+  Buffer = new ebmpBYTE [BufferSize];
+  for( j=0 ; j < BufferSize; j++ )
+  { Buffer[j] = 0; }
+    
+  j=Height-1;
+  
+  while( j > -1 )
+  {
+   bool Success = false;
+   if( BitDepth == 32 )
+   { Success = Write32bitRow( Buffer, BufferSize, j ); }
+   if( BitDepth == 24 )
+   { Success = Write24bitRow( Buffer, BufferSize, j ); }
+   if( BitDepth == 8  )
+   { Success = Write8bitRow( Buffer, BufferSize, j ); }
+   if( BitDepth == 4  )
+   { Success = Write4bitRow( Buffer, BufferSize, j ); }
+   if( BitDepth == 1  )
+   { Success = Write1bitRow( Buffer, BufferSize, j ); }
+   if( Success )
+   {
+    int BytesWritten = (int) fwrite( (char*) Buffer, 1, BufferSize, fp );
+    if( BytesWritten != BufferSize )
+    { Success = false; }
+   }
+   if( !Success )
+   {
+    if( EasyBMPwarnings )
+    {
+     cout << "EasyBMP Error: Could not write proper amount of data." << endl;
+	}
+    j = -1; 
+   }
+   j--; 
+  }
+  
+  delete [] Buffer;
+ }
+ 
+ if( BitDepth == 16 )
+ {
+  // write the bit masks
+
+  ebmpWORD BlueMask = 31;    // bits 12-16
+  ebmpWORD GreenMask = 2016; // bits 6-11
+  ebmpWORD RedMask = 63488;  // bits 1-5
+  ebmpWORD ZeroWORD;
+  
+  if( IsBigEndian() )
+  { RedMask = FlipWORD( RedMask ); }
+  fwrite( (char*) &RedMask , 2 , 1 , fp );
+  fwrite( (char*) &ZeroWORD , 2 , 1 , fp );
+
+  if( IsBigEndian() )
+  { GreenMask = FlipWORD( GreenMask ); }
+  fwrite( (char*) &GreenMask , 2 , 1 , fp );
+  fwrite( (char*) &ZeroWORD , 2 , 1 , fp );
+
+  if( IsBigEndian() )
+  { BlueMask = FlipWORD( BlueMask ); }
+  fwrite( (char*) &BlueMask , 2 , 1 , fp );
+  fwrite( (char*) &ZeroWORD , 2 , 1 , fp );
+
+  int DataBytes = Width*2;
+  int PaddingBytes = ( 4 - DataBytes % 4 ) % 4;
+  
+  // write the actual pixels
+  
+  for( j=Height-1 ; j >= 0 ; j-- )
+  {
+   // write all row pixel data
+   i=0;
+   int WriteNumber = 0;
+   while( WriteNumber < DataBytes )
+   {
+    ebmpWORD TempWORD;
+	
+	ebmpWORD RedWORD = (ebmpWORD) ((Pixels[i][j]).Red / 8);
+	ebmpWORD GreenWORD = (ebmpWORD) ((Pixels[i][j]).Green / 4);
+	ebmpWORD BlueWORD = (ebmpWORD) ((Pixels[i][j]).Blue / 8);
+	
+    TempWORD = (RedWORD<<11) + (GreenWORD<<5) + BlueWORD;
+	if( IsBigEndian() )
+	{ TempWORD = FlipWORD( TempWORD ); }
+	
+    fwrite( (char*) &TempWORD , 2, 1, fp);
+    WriteNumber += 2;
+	i++;
+   }
+   // write any necessary row padding
+   WriteNumber = 0;
+   while( WriteNumber < PaddingBytes )
+   {
+    ebmpBYTE TempBYTE;
+    fwrite( (char*) &TempBYTE , 1, 1, fp);
+    WriteNumber++;
+   }
+  }
+  
+ }
+
+ fclose(fp);
+ return true;
+}
+
+bool BMP::ReadFromFile( const char* FileName )
+{ 
+ using namespace std;
+ if( !EasyBMPcheckDataSize() )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: Data types are wrong size!" << endl
+        << "               You may need to mess with EasyBMP_DataTypes.h" << endl
+	    << "               to fix these errors, and then recompile." << endl
+	    << "               All 32-bit and 64-bit machines should be" << endl
+	    << "               supported, however." << endl << endl;
+  }
+  return false; 
+ }
+
+ FILE* fp = fopen( FileName, "rb" );
+ if( fp == NULL )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: Cannot open file " 
+        << FileName << " for input." << endl;
+  }
+  SetBitDepth(1);
+  SetSize(1,1);
+  return false;
+ }
+ 
+ // read the file header 
+ 
+ BMFH bmfh;
+ bool NotCorrupted = true;
+ 
+ NotCorrupted &= SafeFread( (char*) &(bmfh.bfType) , sizeof(ebmpWORD), 1, fp);
+ 
+ bool IsBitmap = false;
+ 
+ if( IsBigEndian() && bmfh.bfType == 16973 )
+ { IsBitmap = true; }
+ if( !IsBigEndian() && bmfh.bfType == 19778 )
+ { IsBitmap = true; }
+ 
+ if( !IsBitmap ) 
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: " << FileName 
+        << " is not a Windows BMP file!" << endl; 
+  }
+  fclose( fp ); 
+  return false;
+ }
+
+ NotCorrupted &= SafeFread( (char*) &(bmfh.bfSize) , sizeof(ebmpDWORD) , 1, fp); 
+ NotCorrupted &= SafeFread( (char*) &(bmfh.bfReserved1) , sizeof(ebmpWORD) , 1, fp);
+ NotCorrupted &= SafeFread( (char*) &(bmfh.bfReserved2) , sizeof(ebmpWORD) , 1, fp);
+ NotCorrupted &= SafeFread( (char*) &(bmfh.bfOffBits) , sizeof(ebmpDWORD) , 1 , fp);
+ 
+ if( IsBigEndian() ) 
+ { bmfh.SwitchEndianess(); }
+  
+ // read the info header
+
+ BMIH bmih; 
+ 
+ NotCorrupted &= SafeFread( (char*) &(bmih.biSize) , sizeof(ebmpDWORD) , 1 , fp);
+ NotCorrupted &= SafeFread( (char*) &(bmih.biWidth) , sizeof(ebmpDWORD) , 1 , fp); 
+ NotCorrupted &= SafeFread( (char*) &(bmih.biHeight) , sizeof(ebmpDWORD) , 1 , fp);
+ NotCorrupted &= SafeFread( (char*) &(bmih.biPlanes) , sizeof(ebmpWORD) , 1, fp); 
+ NotCorrupted &= SafeFread( (char*) &(bmih.biBitCount) , sizeof(ebmpWORD) , 1, fp);
+
+ NotCorrupted &= SafeFread( (char*) &(bmih.biCompression) , sizeof(ebmpDWORD) , 1 , fp);
+ NotCorrupted &= SafeFread( (char*) &(bmih.biSizeImage) , sizeof(ebmpDWORD) , 1 , fp);
+ NotCorrupted &= SafeFread( (char*) &(bmih.biXPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp);
+ NotCorrupted &= SafeFread( (char*) &(bmih.biYPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp);
+ NotCorrupted &= SafeFread( (char*) &(bmih.biClrUsed) , sizeof(ebmpDWORD) , 1 , fp);
+ NotCorrupted &= SafeFread( (char*) &(bmih.biClrImportant) , sizeof(ebmpDWORD) , 1 , fp);
+ 
+ if( IsBigEndian() ) 
+ { bmih.SwitchEndianess(); }
+
+ // a safety catch: if any of the header information didn't read properly, abort
+ // future idea: check to see if at least most is self-consistent
+  
+ if( !NotCorrupted )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: " << FileName 
+        << " is obviously corrupted." << endl;
+  }
+  SetSize(1,1);
+  SetBitDepth(1);
+  fclose(fp);
+  return false;
+ } 
+ 
+ XPelsPerMeter = bmih.biXPelsPerMeter;
+ YPelsPerMeter = bmih.biYPelsPerMeter;
+ 
+ // if bmih.biCompression 1 or 2, then the file is RLE compressed
+ 
+ if( bmih.biCompression == 1 || bmih.biCompression == 2 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: " << FileName << " is (RLE) compressed." << endl
+        << "               EasyBMP does not support compression." << endl;
+  }
+  SetSize(1,1);
+  SetBitDepth(1);
+  fclose(fp);
+  return false; 
+ }
+ 
+ // if bmih.biCompression > 3, then something strange is going on 
+ // it's probably an OS2 bitmap file.
+ 
+ if( bmih.biCompression > 3 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: " << FileName << " is in an unsupported format." 
+        << endl
+        << "               (bmih.biCompression = " 
+	    << bmih.biCompression << ")" << endl
+	    << "               The file is probably an old OS2 bitmap or corrupted." 
+	    << endl;
+  }		
+  SetSize(1,1);
+  SetBitDepth(1);
+  fclose(fp);
+  return false; 
+ }
+ 
+ if( bmih.biCompression == 3 && bmih.biBitCount != 16 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: " << FileName 
+        << " uses bit fields and is not a" << endl
+        << "               16-bit file. This is not supported." << endl;
+  }
+  SetSize(1,1);
+  SetBitDepth(1);
+  fclose(fp);
+  return false; 
+ }
+
+ // set the bit depth
+ 
+ int TempBitDepth = (int) bmih.biBitCount;
+ if(    TempBitDepth != 1  && TempBitDepth != 4 
+     && TempBitDepth != 8  && TempBitDepth != 16
+     && TempBitDepth != 24 && TempBitDepth != 32 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: " << FileName << " has unrecognized bit depth." << endl;
+  }
+  SetSize(1,1);
+  SetBitDepth(1);
+  fclose(fp);
+  return false;
+ }
+ SetBitDepth( (int) bmih.biBitCount ); 
+ 
+ // set the size
+
+ if( (int) bmih.biWidth <= 0 || (int) bmih.biHeight <= 0 ) 
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: " << FileName 
+        << " has a non-positive width or height." << endl;
+  }
+  SetSize(1,1);
+  SetBitDepth(1);
+  fclose(fp);
+  return false;
+ } 
+ SetSize( (int) bmih.biWidth , (int) bmih.biHeight );
+  
+ // some preliminaries
+ 
+ double dBytesPerPixel = ( (double) BitDepth ) / 8.0;
+ double dBytesPerRow = dBytesPerPixel * (Width+0.0);
+ dBytesPerRow = ceil(dBytesPerRow);
+  
+ int BytePaddingPerRow = 4 - ( (int) (dBytesPerRow) )% 4;
+ if( BytePaddingPerRow == 4 )
+ { BytePaddingPerRow = 0; }  
+ 
+ // if < 16 bits, read the palette
+ 
+ if( BitDepth < 16 )
+ {
+  // determine the number of colors specified in the 
+  // color table
+  
+  int NumberOfColorsToRead = ((int) bmfh.bfOffBits - 54 )/4;  
+  if( NumberOfColorsToRead > IntPow(2,BitDepth) )
+  { NumberOfColorsToRead = IntPow(2,BitDepth); }
+ 
+  if( NumberOfColorsToRead < TellNumberOfColors() )
+  {
+   if( EasyBMPwarnings )
+   {
+    cout << "EasyBMP Warning: file " << FileName << " has an underspecified" << endl
+         << "                 color table. The table will be padded with extra" << endl
+	 	 << "                 white (255,255,255,0) entries." << endl;
+   }
+  }
+ 
+  int n;
+  for( n=0; n < NumberOfColorsToRead ; n++ )
+  {
+   SafeFread( (char*) &(Colors[n]) , 4 , 1 , fp);     
+  }
+  for( n=NumberOfColorsToRead ; n < TellNumberOfColors() ; n++ )
+  {
+   RGBApixel WHITE; 
+   WHITE.Red = 255;
+   WHITE.Green = 255;
+   WHITE.Blue = 255;
+   WHITE.Alpha = 0;
+   SetColor( n , WHITE );
+  }
+  
+  
+ }
+ 
+ // skip blank data if bfOffBits so indicates
+ 
+ int BytesToSkip = bmfh.bfOffBits - 54;;
+ if( BitDepth < 16 )
+ { BytesToSkip -= 4*IntPow(2,BitDepth); }
+ if( BitDepth == 16 && bmih.biCompression == 3 )
+ { BytesToSkip -= 3*4; }
+ if( BytesToSkip < 0 )
+ { BytesToSkip = 0; }
+ if( BytesToSkip > 0 && BitDepth != 16 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Extra meta data detected in file " << FileName << endl
+        << "                 Data will be skipped." << endl;
+  }
+  ebmpBYTE* TempSkipBYTE;
+  TempSkipBYTE = new ebmpBYTE [BytesToSkip];
+  SafeFread( (char*) TempSkipBYTE , BytesToSkip , 1 , fp);   
+  delete [] TempSkipBYTE;
+ } 
+  
+ // This code reads 1, 4, 8, 24, and 32-bpp files 
+ // with a more-efficient buffered technique.
+
+ int i,j;
+ if( BitDepth != 16 )
+ {
+  int BufferSize = (int) ( (Width*BitDepth) / 8.0 );
+  while( 8*BufferSize < Width*BitDepth )
+  { BufferSize++; }
+  while( BufferSize % 4 )
+  { BufferSize++; }
+  ebmpBYTE* Buffer;
+  Buffer = new ebmpBYTE [BufferSize];
+  j= Height-1;
+  while( j > -1 )
+  {
+   int BytesRead = (int) fread( (char*) Buffer, 1, BufferSize, fp );
+   if( BytesRead < BufferSize )
+   {
+    j = -1; 
+    if( EasyBMPwarnings )
+    {
+     cout << "EasyBMP Error: Could not read proper amount of data." << endl;
+	}
+   }
+   else
+   {
+    bool Success = false;
+    if( BitDepth == 1  )
+	{ Success = Read1bitRow(  Buffer, BufferSize, j ); }
+    if( BitDepth == 4  )
+	{ Success = Read4bitRow(  Buffer, BufferSize, j ); }
+    if( BitDepth == 8  )
+	{ Success = Read8bitRow(  Buffer, BufferSize, j ); }
+    if( BitDepth == 24 )
+	{ Success = Read24bitRow( Buffer, BufferSize, j ); }
+	if( BitDepth == 32 )
+	{ Success = Read32bitRow( Buffer, BufferSize, j ); }
+    if( !Success )
+    {
+     if( EasyBMPwarnings )
+     {
+      cout << "EasyBMP Error: Could not read enough pixel data!" << endl;
+	 }
+	 j = -1;
+    }
+   }   
+   j--;
+  }
+  delete [] Buffer; 
+ }
+
+ if( BitDepth == 16 )
+ {
+  int DataBytes = Width*2;
+  int PaddingBytes = ( 4 - DataBytes % 4 ) % 4;
+
+  // set the default mask
+  
+  ebmpWORD BlueMask = 31; // bits 12-16
+  ebmpWORD GreenMask = 992; // bits 7-11
+  ebmpWORD RedMask = 31744; // bits 2-6
+
+  // read the bit fields, if necessary, to 
+  // override the default 5-5-5 mask
+  
+  if( bmih.biCompression != 0 )
+  {
+   // read the three bit masks
+
+   ebmpWORD TempMaskWORD;
+   ebmpWORD ZeroWORD;
+  
+   SafeFread( (char*) &RedMask , 2 , 1 , fp );
+   if( IsBigEndian() )
+   { RedMask = FlipWORD(RedMask); }
+   SafeFread( (char*) &TempMaskWORD , 2, 1, fp );
+  
+   SafeFread( (char*) &GreenMask , 2 , 1 , fp );
+   if( IsBigEndian() )
+   { GreenMask = FlipWORD(GreenMask); }
+   SafeFread( (char*) &TempMaskWORD , 2, 1, fp );
+
+   SafeFread( (char*) &BlueMask , 2 , 1 , fp );
+   if( IsBigEndian() )
+   { BlueMask = FlipWORD(BlueMask); }
+   SafeFread( (char*) &TempMaskWORD , 2, 1, fp );
+  }
+  
+  // read and skip any meta data
+
+  if( BytesToSkip > 0 )
+  {
+   if( EasyBMPwarnings )
+   {
+    cout << "EasyBMP Warning: Extra meta data detected in file " 
+         << FileName << endl
+         << "                 Data will be skipped." << endl;
+   }
+   ebmpBYTE* TempSkipBYTE;
+   TempSkipBYTE = new ebmpBYTE [BytesToSkip];
+   SafeFread( (char*) TempSkipBYTE , BytesToSkip , 1 , fp);
+   delete [] TempSkipBYTE;   
+  } 
+  
+  // determine the red, green and blue shifts
+  
+  int GreenShift = 0; 
+  ebmpWORD TempShiftWORD = GreenMask;
+  while( TempShiftWORD > 31 )
+  { TempShiftWORD = TempShiftWORD>>1; GreenShift++; }  
+  int BlueShift = 0;
+  TempShiftWORD = BlueMask;
+  while( TempShiftWORD > 31 )
+  { TempShiftWORD = TempShiftWORD>>1; BlueShift++; }  
+  int RedShift = 0;  
+  TempShiftWORD = RedMask;
+  while( TempShiftWORD > 31 )
+  { TempShiftWORD = TempShiftWORD>>1; RedShift++; }  
+  
+  // read the actual pixels
+  
+  for( j=Height-1 ; j >= 0 ; j-- )
+  {
+   i=0;
+   int ReadNumber = 0;
+   while( ReadNumber < DataBytes )
+   {
+	ebmpWORD TempWORD;
+	SafeFread( (char*) &TempWORD , 2 , 1 , fp );
+	if( IsBigEndian() )
+	{ TempWORD = FlipWORD(TempWORD); }
+    ReadNumber += 2;
+  
+    ebmpWORD Red = RedMask & TempWORD;
+    ebmpWORD Green = GreenMask & TempWORD;
+    ebmpWORD Blue = BlueMask & TempWORD;
+				
+	ebmpBYTE BlueBYTE = (ebmpBYTE) 8*(Blue>>BlueShift);
+    ebmpBYTE GreenBYTE = (ebmpBYTE) 8*(Green>>GreenShift);
+    ebmpBYTE RedBYTE = (ebmpBYTE) 8*(Red>>RedShift);
+		
+	(Pixels[i][j]).Red = RedBYTE;
+	(Pixels[i][j]).Green = GreenBYTE;
+	(Pixels[i][j]).Blue = BlueBYTE;
+	
+	i++;
+   }
+   ReadNumber = 0;
+   while( ReadNumber < PaddingBytes )
+   {
+    ebmpBYTE TempBYTE;
+    SafeFread( (char*) &TempBYTE , 1, 1, fp);
+    ReadNumber++;
+   }
+  }
+
+ }
+ 
+ fclose(fp);
+ return true;
+}
+
+bool BMP::CreateStandardColorTable( void )
+{
+ using namespace std;
+ if( BitDepth != 1 && BitDepth != 4 && BitDepth != 8 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Attempted to create color table at a bit" << endl
+        << "                 depth that does not require a color table." << endl
+    	<< "                 Ignoring request." << endl;
+  }
+  return false;
+ }
+
+ if( BitDepth == 1 )
+ {
+  int i;
+  for( i=0 ; i < 2 ; i++ )
+  {
+   Colors[i].Red = i*255;
+   Colors[i].Green = i*255;
+   Colors[i].Blue = i*255;
+   Colors[i].Alpha = 0;
+  } 
+  return true;
+ } 
+
+ if( BitDepth == 4 )
+ {
+  int i = 0;
+  int j,k,ell;
+  
+  // simplify the code for the first 8 colors
+  for( ell=0 ; ell < 2 ; ell++ )
+  {
+   for( k=0 ; k < 2 ; k++ )
+   {
+    for( j=0 ; j < 2 ; j++ )
+    {
+     Colors[i].Red = j*128; 
+	 Colors[i].Green = k*128;
+ 	 Colors[i].Blue = ell*128;
+   	 i++;
+    }
+   }
+  }
+ 
+  // simplify the code for the last 8 colors
+  for( ell=0 ; ell < 2 ; ell++ )
+  {
+   for( k=0 ; k < 2 ; k++ )
+   {
+    for( j=0 ; j < 2 ; j++ )
+    {
+     Colors[i].Red = j*255;
+     Colors[i].Green = k*255; 
+     Colors[i].Blue = ell*255;
+	 i++;
+    }
+   }
+  }
+ 
+  // overwrite the duplicate color
+  i=8; 
+  Colors[i].Red = 192;
+  Colors[i].Green = 192;
+  Colors[i].Blue = 192;
+   
+  for( i=0 ; i < 16 ; i++ )
+  { Colors[i].Alpha = 0; }
+  return true;
+ }
+
+ if( BitDepth == 8 )
+ {
+  int i=0;
+  int j,k,ell;
+    
+  // do an easy loop, which works for all but colors 
+  // 0 to 9 and 246 to 255
+  for( ell=0 ; ell < 4 ; ell++ ) 
+  {
+   for( k=0 ; k < 8 ; k++ )
+   {
+    for( j=0; j < 8 ; j++ )
+    {
+     Colors[i].Red = j*32; 
+     Colors[i].Green = k*32;
+     Colors[i].Blue = ell*64;
+     Colors[i].Alpha = 0;
+     i++;
+    }
+   }
+  } 
+   
+  // now redo the first 8 colors  
+  i=0;
+  for( ell=0 ; ell < 2 ; ell++ ) 
+  {
+   for( k=0 ; k < 2 ; k++ )
+   {
+    for( j=0; j < 2 ; j++ )
+    {
+     Colors[i].Red = j*128;
+     Colors[i].Green = k*128;
+     Colors[i].Blue = ell*128;
+     i++;
+    }
+   }
+  } 
+ 
+  // overwrite colors 7, 8, 9
+  i=7;
+  Colors[i].Red = 192;
+  Colors[i].Green = 192;
+  Colors[i].Blue = 192;
+  i++; // 8
+  Colors[i].Red = 192;
+  Colors[i].Green = 220;
+  Colors[i].Blue = 192;
+  i++; // 9
+  Colors[i].Red = 166;
+  Colors[i].Green = 202;
+  Colors[i].Blue = 240;
+   
+  // overwrite colors 246 to 255 
+  i=246;
+  Colors[i].Red = 255;
+  Colors[i].Green = 251;
+  Colors[i].Blue = 240;
+  i++; // 247
+  Colors[i].Red = 160;
+  Colors[i].Green = 160;
+  Colors[i].Blue = 164;
+  i++; // 248
+  Colors[i].Red = 128;
+  Colors[i].Green = 128;
+  Colors[i].Blue = 128;
+  i++; // 249
+  Colors[i].Red = 255;
+  Colors[i].Green = 0;
+  Colors[i].Blue = 0;
+  i++; // 250
+  Colors[i].Red = 0;
+  Colors[i].Green = 255;
+  Colors[i].Blue = 0;
+  i++; // 251
+  Colors[i].Red = 255;
+  Colors[i].Green = 255;
+  Colors[i].Blue = 0;
+  i++; // 252
+  Colors[i].Red = 0;
+  Colors[i].Green = 0;
+  Colors[i].Blue = 255;
+  i++; // 253
+  Colors[i].Red = 255;
+  Colors[i].Green = 0;
+  Colors[i].Blue = 255;
+  i++; // 254
+  Colors[i].Red = 0;
+  Colors[i].Green = 255;
+  Colors[i].Blue = 255;
+  i++; // 255
+  Colors[i].Red = 255;
+  Colors[i].Green = 255;
+  Colors[i].Blue = 255;
+  
+  return true;
+ }
+ return true;
+}
+
+bool SafeFread( char* buffer, int size, int number, FILE* fp )
+{
+ using namespace std;
+ int ItemsRead;
+ if( feof(fp) )
+ { return false; }
+ ItemsRead = (int) fread( buffer , size , number , fp );
+ if( ItemsRead < number )
+ { return false; }
+ return true;
+}
+
+void BMP::SetDPI( int HorizontalDPI, int VerticalDPI )
+{
+ XPelsPerMeter = (int) ( HorizontalDPI * 39.37007874015748 );
+ YPelsPerMeter = (int) (   VerticalDPI * 39.37007874015748 );
+}
+
+// int BMP::TellVerticalDPI( void ) const
+int BMP::TellVerticalDPI( void )
+{
+ if( !YPelsPerMeter )
+ { YPelsPerMeter = DefaultYPelsPerMeter; }
+ return (int) ( YPelsPerMeter / (double) 39.37007874015748 ); 
+}
+
+// int BMP::TellHorizontalDPI( void ) const
+int BMP::TellHorizontalDPI( void )
+{
+ if( !XPelsPerMeter )
+ { XPelsPerMeter = DefaultXPelsPerMeter; }
+ return (int) ( XPelsPerMeter / (double) 39.37007874015748 );
+}
+
+/* These functions are defined in EasyBMP_VariousBMPutilities.h */
+
+BMFH GetBMFH( const char* szFileNameIn )
+{
+ using namespace std;
+ BMFH bmfh;
+
+ FILE* fp;
+ fp = fopen( szFileNameIn,"rb");
+ 
+ if( !fp  )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: Cannot initialize from file " 
+        << szFileNameIn << "." << endl
+        << "               File cannot be opened or does not exist." 
+	    << endl;
+  }
+  bmfh.bfType = 0;
+  return bmfh;
+ } 
+ 
+ SafeFread( (char*) &(bmfh.bfType) , sizeof(ebmpWORD) , 1 , fp );
+ SafeFread( (char*) &(bmfh.bfSize) , sizeof(ebmpDWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmfh.bfReserved1) , sizeof(ebmpWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmfh.bfReserved2) , sizeof(ebmpWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmfh.bfOffBits) , sizeof(ebmpDWORD) , 1 , fp ); 
+ 
+ fclose( fp );
+ 
+ if( IsBigEndian() )
+ { bmfh.SwitchEndianess(); }
+
+ return bmfh;
+}
+
+BMIH GetBMIH( const char* szFileNameIn )
+{
+ using namespace std;
+ BMFH bmfh;
+ BMIH bmih;
+
+ FILE* fp;
+ fp = fopen( szFileNameIn,"rb");
+
+ if( !fp  )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: Cannot initialize from file " 
+        << szFileNameIn << "." << endl
+        << "               File cannot be opened or does not exist." 
+	    << endl;
+  }
+  return bmih;
+ } 
+ 
+ // read the bmfh, i.e., first 14 bytes (just to get it out of the way);
+ 
+ ebmpBYTE TempBYTE;
+ int i;
+ for( i = 14 ; i > 0 ; i-- )
+ { SafeFread( (char*) &TempBYTE , sizeof(ebmpBYTE) , 1, fp ); }
+
+ // read the bmih 
+
+ SafeFread( (char*) &(bmih.biSize) , sizeof(ebmpDWORD) , 1 , fp );
+ SafeFread( (char*) &(bmih.biWidth) , sizeof(ebmpDWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmih.biHeight) , sizeof(ebmpDWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmih.biPlanes) , sizeof(ebmpWORD) , 1 , fp ); 
+ 
+ SafeFread( (char*) &(bmih.biBitCount) , sizeof(ebmpWORD) , 1 , fp );
+ SafeFread( (char*) &(bmih.biCompression) , sizeof(ebmpDWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmih.biSizeImage) , sizeof(ebmpDWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmih.biXPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp ); 
+ 
+ SafeFread( (char*) &(bmih.biYPelsPerMeter) , sizeof(ebmpDWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmih.biClrUsed) , sizeof(ebmpDWORD) , 1 , fp ); 
+ SafeFread( (char*) &(bmih.biClrImportant) , sizeof(ebmpDWORD) , 1 , fp ); 
+ 
+ fclose( fp );
+ 
+ if( IsBigEndian() )
+ { bmih.SwitchEndianess(); }
+
+ return bmih;
+}
+
+void DisplayBitmapInfo( const char* szFileNameIn )
+{
+ using namespace std;
+ FILE* fp;
+ fp = fopen( szFileNameIn,"rb");
+ 
+ if( !fp  )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: Cannot initialize from file " 
+        << szFileNameIn << "." << endl
+        << "               File cannot be opened or does not exist." 
+	    << endl;
+  }
+  return;
+ } 
+ fclose( fp );
+
+ // don't duplicate work! Just use the functions from above!
+ 
+ BMFH bmfh = GetBMFH(szFileNameIn);
+ BMIH bmih = GetBMIH(szFileNameIn);
+
+ cout << "File information for file " << szFileNameIn 
+      << ":" << endl << endl;
+
+ cout << "BITMAPFILEHEADER:" << endl
+      << "bfType: " << bmfh.bfType << endl
+      << "bfSize: " << bmfh.bfSize << endl
+      << "bfReserved1: " << bmfh.bfReserved1 << endl
+      << "bfReserved2: " << bmfh.bfReserved2 << endl    
+      << "bfOffBits: " << bmfh.bfOffBits << endl << endl;
+
+ cout << "BITMAPINFOHEADER:" << endl
+      << "biSize: " << bmih.biSize << endl
+      << "biWidth: " << bmih.biWidth << endl
+      << "biHeight: " << bmih.biHeight << endl
+      << "biPlanes: " << bmih.biPlanes << endl
+      << "biBitCount: " << bmih.biBitCount << endl
+      << "biCompression: " << bmih.biCompression << endl
+      << "biSizeImage: " << bmih.biSizeImage << endl
+      << "biXPelsPerMeter: " << bmih.biXPelsPerMeter << endl
+      << "biYPelsPerMeter: " << bmih.biYPelsPerMeter << endl
+      << "biClrUsed: " << bmih.biClrUsed << endl
+      << "biClrImportant: " << bmih.biClrImportant << endl << endl;  
+ return;
+}
+
+int GetBitmapColorDepth( const char* szFileNameIn )
+{
+ BMIH bmih = GetBMIH( szFileNameIn );
+ return (int) bmih.biBitCount;
+}
+
+void PixelToPixelCopy( BMP& From, int FromX, int FromY,  
+                       BMP& To, int ToX, int ToY)
+{
+ *To(ToX,ToY) = *From(FromX,FromY);
+ return;
+}
+
+void PixelToPixelCopyTransparent( BMP& From, int FromX, int FromY,  
+                                  BMP& To, int ToX, int ToY,
+                                  RGBApixel& Transparent )
+{
+ if( From(FromX,FromY)->Red != Transparent.Red ||
+     From(FromX,FromY)->Green != Transparent.Green ||
+     From(FromX,FromY)->Blue != Transparent.Blue )	 
+ { *To(ToX,ToY) = *From(FromX,FromY); }
+ return;
+}
+
+void RangedPixelToPixelCopy( BMP& From, int FromL , int FromR, int FromB, int FromT, 
+                             BMP& To, int ToX, int ToY )
+{
+ // make sure the conventions are followed
+ if( FromB < FromT )
+ { int Temp = FromT; FromT = FromB; FromB = Temp; }
+
+ // make sure that the copied regions exist in both bitmaps
+ if( FromR >= From.TellWidth() )
+ { FromR = From.TellWidth()-1; }
+ if( FromL < 0 ){ FromL = 0; }
+
+ if( FromB >= From.TellHeight() )
+ { FromB = From.TellHeight()-1; }
+ if( FromT < 0 ){ FromT = 0; }
+ 
+ if( ToX+(FromR-FromL) >= To.TellWidth() )
+ { FromR = To.TellWidth()-1+FromL-ToX; }
+ if( ToY+(FromB-FromT) >= To.TellHeight() )
+ { FromB = To.TellHeight()-1+FromT-ToY; } 
+ 
+ int i,j;
+ for( j=FromT ; j <= FromB ; j++ )
+ { 
+  for( i=FromL ; i <= FromR ; i++ )
+  {
+   PixelToPixelCopy( From, i,j,  
+                     To, ToX+(i-FromL), ToY+(j-FromT) );
+  }
+ }
+
+ return;
+}
+
+void RangedPixelToPixelCopyTransparent( 
+     BMP& From, int FromL , int FromR, int FromB, int FromT, 
+     BMP& To, int ToX, int ToY ,
+     RGBApixel& Transparent )
+{
+ // make sure the conventions are followed
+ if( FromB < FromT )
+ { int Temp = FromT; FromT = FromB; FromB = Temp; }
+
+ // make sure that the copied regions exist in both bitmaps
+ if( FromR >= From.TellWidth() )
+ { FromR = From.TellWidth()-1; }
+ if( FromL < 0 ){ FromL = 0; }
+
+ if( FromB >= From.TellHeight() )
+ { FromB = From.TellHeight()-1; }
+ if( FromT < 0 ){ FromT = 0; }
+ 
+ if( ToX+(FromR-FromL) >= To.TellWidth() )
+ { FromR = To.TellWidth()-1+FromL-ToX; }
+ if( ToY+(FromB-FromT) >= To.TellHeight() )
+ { FromB = To.TellHeight()-1+FromT-ToY; } 
+ 
+ int i,j;
+ for( j=FromT ; j <= FromB ; j++ )
+ { 
+  for( i=FromL ; i <= FromR ; i++ )
+  {
+   PixelToPixelCopyTransparent( From, i,j,  
+                     To, ToX+(i-FromL), ToY+(j-FromT) , 
+                     Transparent);
+  }
+ }
+
+ return;
+}
+
+bool CreateGrayscaleColorTable( BMP& InputImage )
+{
+ using namespace std;
+ int BitDepth = InputImage.TellBitDepth();
+ if( BitDepth != 1 && BitDepth != 4 && BitDepth != 8 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Warning: Attempted to create color table at a bit" << endl
+        << "                 depth that does not require a color table." << endl
+   	    << "                 Ignoring request." << endl;
+  }
+  return false;
+ }
+ int i;
+ int NumberOfColors = InputImage.TellNumberOfColors();
+ 
+ ebmpBYTE StepSize;
+ if( BitDepth != 1 )
+ { StepSize = 255/(NumberOfColors-1); }
+ else
+ { StepSize = 255; }
+  
+ for( i=0 ; i < NumberOfColors ; i++ )
+ {
+  ebmpBYTE TempBYTE = i*StepSize;
+  RGBApixel TempColor;
+  TempColor.Red = TempBYTE;
+  TempColor.Green = TempBYTE;
+  TempColor.Blue = TempBYTE;
+  TempColor.Alpha = 0;
+  InputImage.SetColor( i , TempColor );  
+ }
+ return true;
+}
+
+bool BMP::Read32bitRow( ebmpBYTE* Buffer, int BufferSize, int Row )
+{ 
+ int i;
+ if( Width*4 > BufferSize )
+ { return false; }
+ for( i=0 ; i < Width ; i++ )
+ { memcpy( (char*) &(Pixels[i][Row]), (char*) Buffer+4*i, 4 ); }
+ return true;
+}
+
+bool BMP::Read24bitRow( ebmpBYTE* Buffer, int BufferSize, int Row )
+{ 
+ int i;
+ if( Width*3 > BufferSize )
+ { return false; }
+ for( i=0 ; i < Width ; i++ )
+ { memcpy( (char*) &(Pixels[i][Row]), Buffer+3*i, 3 ); }
+ return true;
+}
+
+bool BMP::Read8bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row )
+{
+ int i;
+ if( Width > BufferSize )
+ { return false; }
+ for( i=0 ; i < Width ; i++ )
+ {
+  int Index = Buffer[i];
+  *( this->operator()(i,Row) )= GetColor(Index); 
+ }
+ return true;
+}
+
+bool BMP::Read4bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row )
+{
+ int Shifts[2] = {4  ,0 };
+ int Masks[2]  = {240,15};
+ 
+ int i=0;
+ int j;
+ int k=0;
+ if( Width > 2*BufferSize )
+ { return false; }
+ while( i < Width )
+ {
+  j=0;
+  while( j < 2 && i < Width )
+  {
+   int Index = (int) ( (Buffer[k]&Masks[j]) >> Shifts[j]);
+   *( this->operator()(i,Row) )= GetColor(Index); 
+   i++; j++;   
+  }
+  k++;
+ }
+ return true;
+}
+bool BMP::Read1bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row )
+{
+ int Shifts[8] = {7  ,6 ,5 ,4 ,3,2,1,0};
+ int Masks[8]  = {128,64,32,16,8,4,2,1};
+ 
+ int i=0;
+ int j;
+ int k=0;
+ 
+ if( Width > 8*BufferSize )
+ { return false; }
+ while( i < Width )
+ {
+  j=0;
+  while( j < 8 && i < Width )
+  {
+   int Index = (int) ( (Buffer[k]&Masks[j]) >> Shifts[j]);
+   *( this->operator()(i,Row) )= GetColor(Index); 
+   i++; j++;   
+  }
+  k++;
+ }
+ return true;
+}
+
+bool BMP::Write32bitRow( ebmpBYTE* Buffer, int BufferSize, int Row )
+{ 
+ int i;
+ if( Width*4 > BufferSize )
+ { return false; }
+ for( i=0 ; i < Width ; i++ )
+ { memcpy( (char*) Buffer+4*i, (char*) &(Pixels[i][Row]), 4 ); }
+ return true;
+}
+
+bool BMP::Write24bitRow( ebmpBYTE* Buffer, int BufferSize, int Row )
+{ 
+ int i;
+ if( Width*3 > BufferSize )
+ { return false; }
+ for( i=0 ; i < Width ; i++ )
+ { memcpy( (char*) Buffer+3*i,  (char*) &(Pixels[i][Row]), 3 ); }
+ return true;
+}
+
+bool BMP::Write8bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row )
+{
+ int i;
+ if( Width > BufferSize )
+ { return false; }
+ for( i=0 ; i < Width ; i++ )
+ { Buffer[i] = FindClosestColor( Pixels[i][Row] ); }
+ return true;
+}
+
+bool BMP::Write4bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row )
+{ 
+ int PositionWeights[2]  = {16,1};
+ 
+ int i=0;
+ int j;
+ int k=0;
+ if( Width > 2*BufferSize )
+ { return false; }
+ while( i < Width )
+ {
+  j=0;
+  int Index = 0;
+  while( j < 2 && i < Width )
+  {
+   Index += ( PositionWeights[j]* (int) FindClosestColor( Pixels[i][Row] ) ); 
+   i++; j++;   
+  }
+  Buffer[k] = (ebmpBYTE) Index;
+  k++;
+ }
+ return true;
+}
+
+bool BMP::Write1bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row )
+{ 
+ int PositionWeights[8]  = {128,64,32,16,8,4,2,1};
+ 
+ int i=0;
+ int j;
+ int k=0;
+ if( Width > 8*BufferSize )
+ { return false; }
+ while( i < Width )
+ {
+  j=0;
+  int Index = 0;
+  while( j < 8 && i < Width )
+  {
+   Index += ( PositionWeights[j]* (int) FindClosestColor( Pixels[i][Row] ) ); 
+   i++; j++;   
+  }
+  Buffer[k] = (ebmpBYTE) Index;
+  k++;
+ }
+ return true;
+}
+
+ebmpBYTE BMP::FindClosestColor( RGBApixel& input )
+{
+ using namespace std;
+ 
+ int i=0;
+ int NumberOfColors = TellNumberOfColors();
+ ebmpBYTE BestI = 0;
+ int BestMatch = 999999;
+  
+ while( i < NumberOfColors )
+ {
+  RGBApixel Attempt = GetColor( i );
+  int TempMatch = IntSquare( (int) Attempt.Red - (int) input.Red )
+                + IntSquare( (int) Attempt.Green - (int) input.Green )
+                + IntSquare( (int) Attempt.Blue - (int) input.Blue );
+  if( TempMatch < BestMatch )
+  { BestI = (ebmpBYTE) i; BestMatch = TempMatch; }
+  if( BestMatch < 1 )
+  { i = NumberOfColors; }
+  i++;
+ }
+ return BestI;
+}
+
+bool EasyBMPcheckDataSize( void )
+{
+ using namespace std;
+ bool ReturnValue = true;
+ if( sizeof( ebmpBYTE ) != 1 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: ebmpBYTE has the wrong size (" 
+        << sizeof( ebmpBYTE ) << " bytes)," << endl
+	    << "               Compared to the expected 1 byte value" << endl;
+  }
+  ReturnValue = false;
+ }
+ if( sizeof( ebmpWORD ) != 2 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: ebmpWORD has the wrong size (" 
+        << sizeof( ebmpWORD ) << " bytes)," << endl
+	    << "               Compared to the expected 2 byte value" << endl;
+  }
+  ReturnValue = false;
+ }
+ if( sizeof( ebmpDWORD ) != 4 )
+ {
+  if( EasyBMPwarnings )
+  {
+   cout << "EasyBMP Error: ebmpDWORD has the wrong size (" 
+        << sizeof( ebmpDWORD ) << " bytes)," << endl
+	    << "               Compared to the expected 4 byte value" << endl;
+  }
+  ReturnValue = false;
+ }
+ return ReturnValue;
+}
+
+bool Rescale( BMP& InputImage , char mode, int NewDimension )
+{
+ using namespace std;
+ int CapMode = toupper( mode );
+
+ BMP OldImage( InputImage );
+ 
+ if( CapMode != 'P' &&
+     CapMode != 'W' &&
+     CapMode != 'H' && 
+     CapMode != 'F' )
+ {
+  if( EasyBMPwarnings )
+  {
+   char ErrorMessage [1024];
+   sprintf( ErrorMessage, "EasyBMP Error: Unknown rescale mode %c requested\n" , mode );
+   cout << ErrorMessage; 
+  }
+  return false;
+ }
+
+ int NewWidth  =0;
+ int NewHeight =0;
+ 
+ int OldWidth = OldImage.TellWidth();
+ int OldHeight= OldImage.TellHeight();
+ 
+ if( CapMode == 'P' )
+ {
+  NewWidth = (int) floor( OldWidth * NewDimension / 100.0 );
+  NewHeight = (int) floor( OldHeight * NewDimension / 100.0 );
+ }
+ if( CapMode == 'F' )
+ {
+  if( OldWidth > OldHeight )
+  { CapMode = 'W'; }
+  else
+  { CapMode = 'H'; }
+ }
+
+ if( CapMode == 'W' )
+ {
+  double percent = (double) NewDimension / (double) OldWidth;
+  NewWidth = NewDimension;
+  NewHeight = (int) floor( OldHeight * percent );
+ }
+ if( CapMode == 'H' )
+ {
+  double percent = (double) NewDimension / (double) OldHeight;
+  NewHeight = NewDimension;
+  NewWidth = (int) floor( OldWidth * percent );
+ }
+ 
+ if( NewWidth < 1 )
+ { NewWidth = 1; }
+ if( NewHeight < 1 )
+ { NewHeight = 1; }
+ 
+ InputImage.SetSize( NewWidth, NewHeight );
+ InputImage.SetBitDepth( 24 );
+
+ int I,J;
+ double ThetaI,ThetaJ;
+ 
+ for( int j=0; j < NewHeight-1 ; j++ )
+ {
+  ThetaJ = (double)(j*(OldHeight-1.0))
+          /(double)(NewHeight-1.0);
+  J	= (int) floor( ThetaJ );
+  ThetaJ -= J;  
+  
+  for( int i=0; i < NewWidth-1 ; i++ )
+  {
+   ThetaI = (double)(i*(OldWidth-1.0))
+           /(double)(NewWidth-1.0);
+   I = (int) floor( ThetaI );
+   ThetaI -= I;  
+   
+   InputImage(i,j)->Red = (ebmpBYTE) 
+                          ( (1.0-ThetaI-ThetaJ+ThetaI*ThetaJ)*(OldImage(I,J)->Red)
+                           +(ThetaI-ThetaI*ThetaJ)*(OldImage(I+1,J)->Red)   
+                           +(ThetaJ-ThetaI*ThetaJ)*(OldImage(I,J+1)->Red)   
+                           +(ThetaI*ThetaJ)*(OldImage(I+1,J+1)->Red) );
+   InputImage(i,j)->Green = (ebmpBYTE) 
+                          ( (1.0-ThetaI-ThetaJ+ThetaI*ThetaJ)*OldImage(I,J)->Green
+                           +(ThetaI-ThetaI*ThetaJ)*OldImage(I+1,J)->Green   
+                           +(ThetaJ-ThetaI*ThetaJ)*OldImage(I,J+1)->Green   
+                           +(ThetaI*ThetaJ)*OldImage(I+1,J+1)->Green );  
+   InputImage(i,j)->Blue = (ebmpBYTE) 
+                          ( (1.0-ThetaI-ThetaJ+ThetaI*ThetaJ)*OldImage(I,J)->Blue
+                           +(ThetaI-ThetaI*ThetaJ)*OldImage(I+1,J)->Blue   
+                           +(ThetaJ-ThetaI*ThetaJ)*OldImage(I,J+1)->Blue   
+                           +(ThetaI*ThetaJ)*OldImage(I+1,J+1)->Blue ); 
+  }
+   InputImage(NewWidth-1,j)->Red = (ebmpBYTE) 
+                            ( (1.0-ThetaJ)*(OldImage(OldWidth-1,J)->Red)
+                          + ThetaJ*(OldImage(OldWidth-1,J+1)->Red) ); 
+   InputImage(NewWidth-1,j)->Green = (ebmpBYTE) 
+                            ( (1.0-ThetaJ)*(OldImage(OldWidth-1,J)->Green)
+                          + ThetaJ*(OldImage(OldWidth-1,J+1)->Green) ); 
+   InputImage(NewWidth-1,j)->Blue = (ebmpBYTE) 
+                            ( (1.0-ThetaJ)*(OldImage(OldWidth-1,J)->Blue)
+                          + ThetaJ*(OldImage(OldWidth-1,J+1)->Blue) ); 
+ } 
+
+ for( int i=0 ; i < NewWidth-1 ; i++ )
+ {
+  ThetaI = (double)(i*(OldWidth-1.0))
+          /(double)(NewWidth-1.0);
+  I = (int) floor( ThetaI );
+  ThetaI -= I;  
+  InputImage(i,NewHeight-1)->Red = (ebmpBYTE) 
+                            ( (1.0-ThetaI)*(OldImage(I,OldHeight-1)->Red)
+                          + ThetaI*(OldImage(I,OldHeight-1)->Red) ); 
+  InputImage(i,NewHeight-1)->Green = (ebmpBYTE) 
+                            ( (1.0-ThetaI)*(OldImage(I,OldHeight-1)->Green)
+                          + ThetaI*(OldImage(I,OldHeight-1)->Green) ); 
+  InputImage(i,NewHeight-1)->Blue = (ebmpBYTE) 
+                            ( (1.0-ThetaI)*(OldImage(I,OldHeight-1)->Blue)
+                          + ThetaI*(OldImage(I,OldHeight-1)->Blue) ); 
+ }
+ 
+ *InputImage(NewWidth-1,NewHeight-1) = *OldImage(OldWidth-1,OldHeight-1);
+ return true;
+}
diff --git a/src/EasyBMP.h b/src/EasyBMP.h
new file mode 100644
index 0000000..ead98c1
--- /dev/null
+++ b/src/EasyBMP.h
@@ -0,0 +1,86 @@
+/*************************************************
+*                                                *
+*  EasyBMP Cross-Platform Windows Bitmap Library * 
+*                                                *
+*  Author: Paul Macklin                          *
+*   email: macklin01@users.sourceforge.net       *
+* support: http://easybmp.sourceforge.net        *
+*                                                *
+*          file: EasyBMP.h                       * 
+*    date added: 01-31-2005                      *
+* date modified: 12-01-2006                      *
+*       version: 1.06                            *
+*                                                *
+*   License: BSD (revised/modified)              *
+* Copyright: 2005-6 by the EasyBMP Project       * 
+*                                                *
+* description: Main include file                 *
+*                                                *
+*************************************************/
+
+#ifdef _MSC_VER 
+// MS Visual Studio gives warnings when using 
+// fopen. But fopen_s is not going to work well 
+// with most compilers, and fopen_s uses different 
+// syntax than fopen. (i.e., a macro won't work) 
+// So, we'lll use this:
+#define _CRT_SECURE_NO_DEPRECATE
+#endif
+
+#include <iostream>
+#include <cmath>
+#include <cctype>
+#include <cstring>
+
+#ifndef EasyBMP
+#define EasyBMP
+
+#ifdef __BCPLUSPLUS__ 
+// The Borland compiler must use this because something
+// is wrong with their cstdio file. 
+#include <stdio.h>
+#else 
+#include <cstdio>
+#endif
+
+#ifdef __GNUC__
+// If g++ specific code is ever required, this is 
+// where it goes. 
+#endif
+
+#ifdef __INTEL_COMPILER
+// If Intel specific code is ever required, this is 
+// where it goes. 
+#endif
+
+#ifndef _DefaultXPelsPerMeter_
+#define _DefaultXPelsPerMeter_
+#define DefaultXPelsPerMeter 3780
+// set to a default of 96 dpi 
+#endif
+
+#ifndef _DefaultYPelsPerMeter_
+#define _DefaultYPelsPerMeter_
+#define DefaultYPelsPerMeter 3780
+// set to a default of 96 dpi
+#endif
+
+#include "EasyBMP_DataStructures.h"
+#include "EasyBMP_BMP.h"
+#include "EasyBMP_VariousBMPutilities.h"
+
+#ifndef _EasyBMP_Version_
+#define _EasyBMP_Version_ 1.06
+#define _EasyBMP_Version_Integer_ 106
+#define _EasyBMP_Version_String_ "1.06"
+#endif
+
+#ifndef _EasyBMPwarnings_
+#define _EasyBMPwarnings_
+#endif
+
+void SetEasyBMPwarningsOff( void );
+void SetEasyBMPwarningsOn( void );
+bool GetEasyBMPwarningState( void );
+
+#endif
diff --git a/src/EasyBMP_BMP.h b/src/EasyBMP_BMP.h
new file mode 100644
index 0000000..819a976
--- /dev/null
+++ b/src/EasyBMP_BMP.h
@@ -0,0 +1,86 @@
+/*************************************************
+*                                                *
+*  EasyBMP Cross-Platform Windows Bitmap Library * 
+*                                                *
+*  Author: Paul Macklin                          *
+*   email: macklin01@users.sourceforge.net       *
+* support: http://easybmp.sourceforge.net        *
+*                                                *
+*          file: EasyBMP_VariousBMPutilities.h   *
+*    date added: 05-02-2005                      *
+* date modified: 12-01-2006                      *
+*       version: 1.06                            *
+*                                                *
+*   License: BSD (revised/modified)              *
+* Copyright: 2005-6 by the EasyBMP Project       * 
+*                                                *
+* description: Defines BMP class                 *
+*                                                *
+*************************************************/
+
+#ifndef _EasyBMP_BMP_h_
+#define _EasyBMP_BMP_h_
+
+bool SafeFread( char* buffer, int size, int number, FILE* fp );
+bool EasyBMPcheckDataSize( void );
+
+class BMP
+{private:
+
+ int BitDepth;
+ int Width;
+ int Height;
+ RGBApixel** Pixels;
+ RGBApixel* Colors;
+ int XPelsPerMeter;
+ int YPelsPerMeter;
+
+ ebmpBYTE* MetaData1;
+ int SizeOfMetaData1;
+ ebmpBYTE* MetaData2;
+ int SizeOfMetaData2;
+   
+ bool Read32bitRow( ebmpBYTE* Buffer, int BufferSize, int Row );   
+ bool Read24bitRow( ebmpBYTE* Buffer, int BufferSize, int Row );   
+ bool Read8bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row );  
+ bool Read4bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row );  
+ bool Read1bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row );
+   
+ bool Write32bitRow( ebmpBYTE* Buffer, int BufferSize, int Row );   
+ bool Write24bitRow( ebmpBYTE* Buffer, int BufferSize, int Row );   
+ bool Write8bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row );  
+ bool Write4bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row );  
+ bool Write1bitRow(  ebmpBYTE* Buffer, int BufferSize, int Row );
+ 
+ ebmpBYTE FindClosestColor( RGBApixel& input );
+
+ public: 
+
+ int TellBitDepth( void );
+ int TellWidth( void );
+ int TellHeight( void );
+ int TellNumberOfColors( void );
+ void SetDPI( int HorizontalDPI, int VerticalDPI );
+ int TellVerticalDPI( void );
+ int TellHorizontalDPI( void );
+  
+ BMP();
+ BMP( BMP& Input );
+ ~BMP();
+ RGBApixel* operator()(int i,int j);
+ 
+ RGBApixel GetPixel( int i, int j ) const;
+ bool SetPixel( int i, int j, RGBApixel NewPixel );
+ 
+ bool CreateStandardColorTable( void );
+ 
+ bool SetSize( int NewWidth, int NewHeight );
+ bool SetBitDepth( int NewDepth );
+ bool WriteToFile( const char* FileName );
+ bool ReadFromFile( const char* FileName );
+ 
+ RGBApixel GetColor( int ColorNumber );
+ bool SetColor( int ColorNumber, RGBApixel NewColor ); 
+};
+
+#endif
diff --git a/src/EasyBMP_ChangeLog.txt b/src/EasyBMP_ChangeLog.txt
new file mode 100644
index 0000000..868174d
--- /dev/null
+++ b/src/EasyBMP_ChangeLog.txt
@@ -0,0 +1,821 @@
+EasyBMP Cross-Platform Windows Bitmap Library: Change Log 
+
+Library Author(s): Paul Macklin 
+  Library License: BSD (revised). See the BSD_(revised)_license.txt 
+                   file for further information.
+        Copyright: 2005-6 by the EasyBMP Project 
+            Email: macklin01@users.sourceforge.net
+          Support: http://easybmp.sourceforge.net
+
+All changes by Paul Macklin unless otherwise noted.
+
+*--------------------------------------------------------------------*
+
+Version: 0.50
+   Date: 1-31-2005
+
+    None! (first release)
+
+*--------------------------------------------------------------------*
+
+Version: 0.51
+   Date: 2-14-2005    
+
+    Added full 32-bit BMP file support  
+
+    Took out annoying "colors: " message from BMP8 initialization 
+    from scratch  
+
+    Added more license and copyright info to each file  
+
+    Added change log to library  
+    
+    To do next:
+    Should update the error messages for the initializations  
+    Should simplify the reading and writing code  
+
+*--------------------------------------------------------------------*
+    
+Version: 0.52
+   Date: 2-19-2005
+
+    Fixed a minor bug in the MakeGreyscalePalette function where the 
+    0 color turned out to be (255,255,255), rather than (0,0,0)  
+
+    Updated standard colors for 4-bit, 8-bit, and 24-bit      
+    
+*--------------------------------------------------------------------*
+
+Version: 0.53
+   Date: 2-27-2005
+
+   Fixed unsigned / signed problem that VS.net shows          
+                                                 
+                                                              
+   Tried fix of line 186 in EasyBMP_BMP4.h file. If it works, 
+   I'll apply it consistently. I think that VS.net wants us   
+   to clear char* blah, then char = new blah [size], just     
+   like the old days for g++.                    
+                                                              
+   Removed EasyBMP_StandardColors.h from standard package     
+                                                              
+*--------------------------------------------------------------------*
+
+Version: 0.54
+   Date: 2-27-2005
+
+   The fix of line 186 in EasyBMP_BMP4.h file appears to have 
+   worked. I applied it through the remainder of the code.    
+   Hopefully, this should ensure Visual Studio.Net compati-   
+   bility.                                       
+                                                              
+   Fixed some typos in the comment lines         
+                                                              
+*--------------------------------------------------------------------*
+
+Version: 0.55
+   Date: 5-2-2005
+
+   Introduced RGBApixel struct.  
+   
+   Introduced BMFH, BMIH, and BMP classes.  
+   
+   Deprecated all old code to *_legacy.h.  
+   
+   Rewrote EasyBMP_VariousBMPutilities.h to use the new 
+   BMP class.  
+   
+*--------------------------------------------------------------------*
+
+Version: 0.56
+   Date: 5-4-2005
+
+   Made Width, Height, and BitDepth private members and added 
+   functions for accessing them.                 
+                                                              
+   Made a new function, SetBitDepth, as the only means to     
+   change the bit depth. It will create/resize a palette as   
+   necessary. This simplifies the WriteToFile code, as well as
+   any palette altering algorithms. (All algorithms can now   
+   assume that a properly-sized palette exists.) This will    
+   help improve code stability greatly.          
+                                                              
+   Made a new function, SetSize, as the only way to change the
+   width and height of the image.                 
+                                                              
+   Eliminated useless HasPalette and NumberOfColors members,  
+   and added TellNumberOfColors() function.      
+                                                              
+   Updated EasyBMP_VariousBMPutilities.h to respect privacy   
+   of data members.                              
+
+*--------------------------------------------------------------------*
+
+Version: 0.57
+   Date: 5-8-2005
+
+   Removed fclose(fp) lines from EasyBMP_BMP.h and 
+   EasyBMP_VariousBMPutilities.h whenever ( !fp ) occurs, 
+   to avoid a crash when trying to close a non-existant file. 
+    
+   
+   Added a line to set bmfh.bfType = 0; to getBMFH() routine 
+   in the case where ( !fp ) occurs, so that a nonexistant file
+   doesn't falsely show up as a bitmap file.  
+   
+   Made error messages in BMP::ReadFromFile(char*) more meaningful, 
+   since Argh! doesn't help much. :-)  
+   
+   Made ReadFromFile operations safer: can deal more effectively 
+   with corrupted and/or truncated files by adding the new 
+   SafeFread() wrapper function.  
+   
+   Moved all change-log entries to the change log to make the source
+   file tidier.  
+   
+   Removed all references to Palettes; renamed them to ColorTables. 
+   
+*--------------------------------------------------------------------*
+
+Version: 0.58
+   Date: 5-13-2005
+
+   Rewrote ReadFromFile() to fix program crashes on reading 4-bit 
+   files. (*grumble* I can't believe there was such a bug in such 
+   a late version! */grumble*)  
+
+   Added support to ReadFromFile() for reading 1-bit files. 
+
+   Rewrote ReadFromFile() to avoid trying to read bitmap files of 
+   depths other than 1, 4, 8, 24, and 32 bits.     
+   
+   Tested reading 4-bit files of width 0,1,2, and 3 (modulo 4),  
+   and 1-bit files of width 0,1,2,3,4,5,6, and 7 (modulo 8)   
+
+*--------------------------------------------------------------------*
+
+Version: 0.59
+   Date: 5-15-2005
+
+   Made ReadFromFile() more robust. Evidently, reading to the 
+   same temp variable all the time made it unstable when reading 
+   many files. I would never have guessed. I instead declare BMIH 
+   and BMFH objects and read directly to their members. This appears 
+   to be more stable when dealing with many ReadFromFile() calls.
+
+   On a related note, made sure to not call SetSize( Width,Height), 
+   which is a bit recursive, as well as SetBitDepth( BitDepth ). 
+   This appears to help stability, since these two functions were 
+   create precisely for the purpose of setting those variables 
+   values safely.  
+
+   Made use of the boolean return value in SafeFread() to detect 
+   when files are obviously corrupted. Used this to have an early 
+   catch in ReadFromFile() and set it to a 1x1 1-bit image and 
+   exit.  
+   
+   Made ReadFromFile() stricter, in that it only reads recognized 
+   bit depths (1,4,8,24,32). Any other bit depth will prompt the 
+   routine to terminate and set it to a 1x1 1-bit file.  
+
+   Added write support for 1-bit files.  
+   
+   Rewrote WriteToFile() for 4,8-bit files to match methods used 
+   for reading them.  
+   
+   Revised CreateStandardColorTable() and 
+   CreateGreyscaleColorTable() to add support for 1-bit files.  
+   
+   Rewrote WriteToFile() to be stricter in only writing known bit 
+   depths (1,4,8,24,32) and ignoring all others.  
+
+*--------------------------------------------------------------------*
+
+Version: 0.60
+   Date: 5-21-2005
+
+   Deprecated *_legacy.h files.  
+
+   Tested library extensivey in linux with good results.  
+
+   Made CreateGreyscaleColorTable() stricter, in that it exits 
+   if supplied a bit depth other than 1, 4, or 8.  
+
+   Made cosmetic changes in EasyBMP_DataStructures.h to 
+   improve readability.  
+
+   Made SetBitDepth() stricter, in that it will never allow a bitmap 
+   to be set to an unsupported bit depth. Only bit depths of 1, 4, 
+   8, 24, or 32 are accepted.  
+
+   Made SetSize() stricter, in that it will not allow negative 
+   widths or heights.  
+
+   Made cosmetic changes in EasyBMP_BMP.h to improve readability. 
+
+   Added a check in ReadFromFile() to see if the requested width or 
+   height is negative, a good sign of file corruption. In such a 
+   case, the file is set to a blank 1x1 1-bit file.  
+   
+   Added code to ReadFromFile() to set size to 1x1 and bit depth to 
+   1-bit if the file was not found.  
+   
+*--------------------------------------------------------------------*
+
+Version: 0.61
+   Date: 5-22-2005
+
+   Fixed awIndex typo in WriteToFile().  
+   
+   Replaced double BestDistance comparisons in WriteToFile() 
+   with int BestDistances (so as to do integer operations, 
+   rather than double operations). This gave a roughly 100% 
+   speedup in 8-bit, 4-bit, and 1-bit write operations on 
+   unoptimized (no compiler flags) code and a 30% speedup 
+   on optimized code.     
+
+   Removed checks like if( BestDistance < 1 ){ k=256; } .. from 
+   WriteToFile(), as they give more overhead than savings in my 
+   testing. For 8-bit files, there was a slight gain by putting 
+   it back in with another method: 
+   while( k < 256 && BestDistance > 0 ). 
+
+   Redefined StepSize in CreateGreyscaleColorTable() to give a 
+   better range of greys in 4-bit mode. As it was, white was not 
+   in the color table. (Colors were spaced by 256/16 = 16). Now, 
+   colors are spaced by (255-1)/(16-1) = 17, which gives the full 
+   range.  
+
+*--------------------------------------------------------------------*
+
+Version: 0.62
+   Date: 5-25-2005
+
+   Added endianess check function IsBigEndian() to 
+   EasyBMP_DataStructures.h file.  
+   
+   Added functions to swap bytes in WORD and DWORD multibyte 
+   variables to EasyBMP_DataStructures.h file for future big-endian 
+   support.  
+   
+   Added functions to switch endianess to BMFH and BMIH objects 
+   to EasyBMP_DataStructures.h file.  
+   
+   Added endianess checks to ReadFromFile() and WriteToFile() 
+   functions in EasyBMP_BMP.h file, along with endianess conversions 
+   where necessary.   
+   
+   Added endianess checks and conversions to GetBMFH() and GetBMIH() 
+   functions in EasyBMP_VariousBMPutilities.h file.  
+   
+   Rewrote GetBitmapInfo() function to use GetBMFH() and GetBMIH() 
+   functions instead. (In EasyBMP_VariousBMPutilities.h.) This 
+   cuts down on the redundancy in the code.  
+
+   Renamed GetBitmapInfo() to DisplayBitmapInfo() in the 
+   EasyBMP_VariousBMPutilities.h file.  
+   
+   With these changes, big-endian architectures should be supported, 
+   including IBM PowerPC, Sun Sparc, Motorola 86k, etc., and 
+   including Mac OSX.  
+   
+*--------------------------------------------------------------------*
+
+Version: 0.63
+   Date: 7-20-2005
+
+   Added IntPow(int,int) function to help compiling with std
+   namespace. Besides, integer operations are faster and more 
+   accurate. 
+   
+   Moved Square(double), IntSquare(int), and IntPow(int,int) to 
+   EasyBMP_DataStructures.h  
+   
+   Simplified and cleaned up code in 
+   Create4bitColorTable( RGBApixel**).
+   
+   Changed safety check in BMP.ReadFromFile(char*) to set size to 
+   1 x 1 if width or height is non-positive, rather than simply 
+   negative. 
+   
+   Added bounds checking to BMP.operator()(int,int) to automatically 
+   truncate requested pixel if out of bounds. Also added a warning
+   to cue the user in. :-)
+
+   Made error messages more consistent in format.  
+   
+   Simplified and cleaned up code in 
+   Create4bitColorTable( RGBApixel**).
+   
+   Added #include <iostream.h> to EasyBMP.h, since EasyBMP uses 
+   cout, etc.  
+
+   Simplified and cleaned up code in 
+   Create1bitColorTable( RGBApixel**).
+     
+   Changed BMP.SetSize(int,int) to disallow non-positive widths and 
+   heights, rather than simply negative widths and heights. Such 
+   function calls are now ignored.  
+
+*--------------------------------------------------------------------*
+
+Version: 0.64
+   Date: 8-2-2005
+
+   Changed "include <iostream.h>" to "include <iostream>" for
+   ANSI-C++ compliance, as well as for better compatibility with the
+   std namespace and VC++. (Thanks, Tommy Li!)  
+
+   Added some #ifndef pragmas to each header so that it should be
+   fine to incluce EasyBMP.h in multiple files in larger projects. 
+
+   Added "using namespace std" inside any function that used C++ 
+   math or I/O operations. I avoided putting "using namespace std"
+   anywhere with global scope for maximum compatibility with C++
+   software in the wild.  
+
+   Added includes for <cmath> and <cstdio> to EasyBMP.h  
+
+   Removed unused temporary variables (TempWORD and TempDWORD) from 
+   EasyBMP_BMP.h for cleaner compiling. If I see any more such 
+   unused variables, I'll remove them, too.  
+
+*--------------------------------------------------------------------*
+
+Version: 0.65
+   Date: 8-13-2005
+
+   Moved implementations of BMP::BMP(), BMP::~BMP(), and 
+   BMP::operator()(int,int) outside of the class. This should help 
+   for eventually moving everything into a separate cpp file. 
+   
+   Made RGBApixel** Pixels a private data member of the class 
+   BMP.  
+   
+   Added function void BMP::SetColor(int,RGBApixel) to BMP class 
+   to allow safe method of changing a color in the color table. 
+   
+   Added function RGBApixel BMP::GetColor(int) to BMP class 
+   to allow safe method of retrieving a color in the color 
+   table.  
+   
+   Cleaned up error messages in EasyBMP_BMP.h  
+   
+   Cleaned up error messages in EasyBMP_VariousBMPutilities.h 
+
+*--------------------------------------------------------------------*
+
+Version: 0.66
+   Date: 8-18-2005
+
+   EasyBMP_StandardColorTables.h was removed from the library. 
+   
+   CreateStandardColorTable(RGBApixel**,int) was changed to 
+   CreateStandardColorTable() and made a member function of BMP.
+   All other CreateStandardColorTable functions are now unnecessary 
+   and have been removed.  
+   
+   CreateGreyscaleColorTable(RGBApixel**,int) was changed to 
+   CreateStandardColorTable( BMP& ) and moved to 
+   EasyBMP_VariousBMPutilities.h.  
+   
+   RGBApixel* Colors was made a private data member of the BMP 
+   class.  
+
+   CreateGreyscaleColorTable( BMP& ) was renamed to 
+   CreateGrayscaleColorTable( BMP& ).  
+   
+*--------------------------------------------------------------------*
+
+Version: 0.67
+   Date: 9-14-2005
+
+   Made the EasyBMP custom math functions in 
+   EasyBMP_DataStructures.h inline. (Square,IntSquare,IntPow). 
+   This should make those function calls faster while improving 
+   compatibility with compiling DLL's. 
+   
+   Separated the code from SafeFread() in EasyBMP_BMP.h to 
+   improve compatibility with compiling DLL's.  
+
+   Removed #define _WINGDI_H from EasyBMP_DataStructures.h to 
+   improve compatibility with win32 applications. Instead, 
+   there's an extra #ifndef _SELF_DEFINED_BMP_DATA_TYPES 
+   conditional added.  
+   
+   _SELF_DEFINED_BMP_DATA_TYPES renamed to _SELF_DEFINED_WINGDI  
+   in EasyBMP_DataStructures.h.  
+   
+   All bit-flipping functions (IsBigEndian, FlipWORD, 
+   FlipDWORD) in EasyBMP_DataStructures.h were made inline 
+   to improve execution speed and improve compatibility with 
+   compiling DLL's.  
+   
+   All code was separated from function declarations in 
+   EasyBMP_VariousBMPutilities.h to improve compatibility 
+   with compiling DLL's.  
+
+   Updated and cleaned up layout of EasyBMP_ChangeLog.txt.
+
+   Updated contact and support information in library files. 
+
+   Corrected the LGPL license version. 
+
+*--------------------------------------------------------------------*
+
+Version: 0.68
+   Date: 10-9-2005
+
+   Changed references to FILE to std::FILE in the SafeFread function 
+   in EasyBMP_BMP.h to improve compatibility with Borland's compiler. 
+   
+   Removed a few assignments in EasyBMP_BMP.h that weren't used to 
+   improve efficiency and reduce Borland warnings. 
+   
+   Changed calls like NotCorrupted = SafeFread() to 
+   NotCorrupted &= SafeFread() in BMP::ReadFromFile() in EasyBMP_BMP.h
+   to improve robustness. Now, if the NotCorrupted bit is ever set 
+   to false, it stays false, meaning that the function won't "forget" 
+   that it encountered file corruption.
+   
+*--------------------------------------------------------------------*
+
+Version: 0.69
+   Date: 10-19-2005
+
+   Changed BMP::WriteToFile( char* ) to BMP::WriteToFile(const char*)
+   in EasyBMP_BMP.h to respond to a feature request. 
+
+   Changed BMP::ReadFromFile( char* ) to BMP::ReadToFile(const char*)
+   in EasyBMP_BMP.h to respond to a feature request. 
+
+   Made BMP::ReadFromFile() and BMP::WriteToFile() in EasyBMP_BMP.h 
+   return true/false to indicate success/failure in the operations. 
+   These functions previously returned void.
+
+   Made BMP::SetSize() and BMP::SetBitDepth() in EasyBMP_BMP.h 
+   return true/false to indicate success/failure in the operations.    
+   These functions previously returned void.
+
+   Made BMP::SetColor() and BMP::CreateStandardColorTable() in 
+   EasyBMP_BMP.h return true/false to indicate success/failure in the 
+   operations. These functions previously returned void.  
+
+   Made CreateGrayscaleColorTable() in EasyBMP_VariousBMPutilities.h 
+   return true/false to indicate success/failure in the operations. 
+   This function previously returned void.
+  
+   Changed the char* argument GetBMFH( char* ), GetBMIH( char* ), 
+   DisplayBitmapInfo( char* ), and GetBitmapColorDepth( char* ) in 
+   EasyBMP_VariousBMPutilities.h to const char* for cleaner, safer 
+   programming. 
+
+*--------------------------------------------------------------------*
+
+Version: 0.70
+   Date: 10-19-2005
+
+   Found and fixed error in BMP::ReadFromFile() in the check for only 
+   reading support bit depths.
+
+   Changed license from LGPL to BSD (revised/modified) to simplify 
+   licensing issues and resolve any lingering licensing questions.
+
+   Fixed compiler error when using MSVC++. 
+ 
+   Improved fix to allow compiling with Borland without breaking 
+   Borland support. 
+
+   Added a few lines to EasyBMP.h to make it easier to tailor code 
+   to specific compilers. (For future use as needed.)
+
+   Added a few lines to EasyBMP_BMP.h (in BMP::ReadFromFile(), 
+   BMP::WriteToFile(), and BMP::SetBitDepth()) to eventually add 
+   support for 16-bit files.
+
+*--------------------------------------------------------------------*
+
+Version: 0.71
+   Date: 11-01-2005
+
+   Cleaned up comments in BMP::ReadFromFile() in EasyBMP_BMP.h
+
+   Added endian-safe read support for 16-bit files that are in the 
+   standard 5-5-5 format (not specified in bit fields)
+
+   Added endian-safe read support for 16-bit files that use bit 
+   fields, including 5-6-5 files.
+
+   Added endian-safe write support for 16-bit files. Uses the 5-6-5 
+   encoding scheme to maximize the utility of the bits used. 
+
+   Added a check for compression in BMP::ReadFromFile(). Because 
+   file compression is beyond the scope of EasyBMP, such files are 
+   not supported, and EasyBMP now properly detects these situations 
+   and exits with an error. 
+
+   Added a check for files that attempt to use bit fields but are not 
+   16-bit files to BMP::ReadFromFile(). Such files are not supported. 
+
+   Added a check to BMP::ReadFromFile() for files that use unknown 
+   values of bmih.biCompression, such as old OS2 bitmaps. Such files 
+   are not supported. 
+
+   Removed "switching endianness" messages from EasyBMP_BMP.h 
+
+   Added support for indexed (1, 4, and 8-bit) files that don't 
+   specify all the colors. 
+
+   Added support for reading files that include extra meta data before
+   the pixels. This data is skipped. 
+ 
+   Added enclosing #ifndef EasyBMP ... lines to EasyBMP.h as a 
+   further safeguard when EasyBMP is included in multiple cpp 
+   files. 
+
+*--------------------------------------------------------------------*
+
+Version: 1.00
+   Date: 02-06-2006
+
+   First Production/Stable release.
+
+   Corrected typographical errors in the comment sections of all 
+   files.
+
+   Updated copyright on all files.
+
+   Removed extraneous comment in BMIH::BMIH() function in 
+   EasyBMP_DataStructures.h file.
+
+   Replaced instances of \n with the more modern endl in 
+   EasyBMP_DataStructures.h, EasyBMP_BMP.h, and 
+   EasyBMP_VariousBMPutilities.h.
+
+   Added placeholder MetaData1 and MetaData2 data members to the 
+   BMP class for potential future use.
+
+   Removed extraneous comments from EasyBMP_BMP.h.
+   
+   Removed warning messages for switching endianness from 
+   EasyBMP_VariousBMPutilities.h.
+
+   Updated copyright in EasyBMP_ChangeLog.txt file.
+
+   Fixed formatting issues in EasyBMP_ChangeLog.txt file.
+
+   Added DefaultXpelsPerMeter and DefaultYpelsPerMeter in 
+   EasyBMP.h. These will default to 96 dpi.
+
+   Changed BMP::WriteToFile() to use DefaultXpelsPerMeter and 
+   DefaultYpelsPerMeter when writing the BMIH structure.
+
+   Added XpelsPerMeter and YpelsPerMeter data members to BMP 
+   class so that horizontal and vertical resolution are handled
+   properly. Currently, upon reading a file, the stated resolutions 
+   are preserved, and upon writing, if no resolutions are given, 
+   the defaults (of 96 DPI) are used. 
+
+   Added function void BMP::SetDPI(int,int) to set the horizontal 
+   and vertical resolutions. 
+
+   Removed some unnecessary code from GetBitmapColorDepth() in 
+   EasyBMP_VariousBMPutilities.h.
+
+   Fixed a bug in RangedPixelToPixelCopyTransparent() and 
+   RangedPixelToPixelCopy() in EasyBMP_VariousBMPutilities.h which 
+   caused copies to be truncated by an extra row or column in 
+   certain circumstances.
+
+   Fixed a bug in RangedPixelToPixelCopyTransparent() and 
+   RangedPixelToPixelCopy() in EasyBMP_VariousBMPutilities.h which 
+   checked the wrong variable (FromT instead of FromB) to see if 
+   it was out of range. 
+
+   Added extra checks to RangedPixelToPixelCopyTransparent() and 
+   RangedPixelToPixelCopy() in EasyBMP_VariousBMPutilities.h to 
+   prevent attempted access of out-of-range pixels.
+
+*--------------------------------------------------------------------*
+
+Version: 1.01
+   Date: 03-31-2006
+
+   Made only the short functions Square, IntSquare, IsBigEndian, 
+   FlipWORD, and FlipDWORD inline functions in 
+   EasyBMP_DataStructures.h.
+   
+   Moved all code (other than inline functions) to EasyBMP.cpp.
+
+   Changed DefaultXPelsPerMeter and DefaultYPelsPerMeter to #define 
+   lines in EasyBMP.h to make the library compatible with 
+   with the header-code split. 
+   
+   Removed memory hole in ~BMP() where "delete Colors;" was used 
+   instead of "delete [] Colors;". Likewise with MetaData1 and 
+   MetaData2.
+   
+   Fixed memory leak in BMP::SetBitDepth() by changing to 
+   delete [] Colors;
+   
+   Removed potential memory leak in BMP::WriteToFile() in 24- and 
+   32-bit writing where szTemp wasn't delete at the end of a row.
+   
+   Fixed bug where XPelsPerMeter and YPelsPerMeter weren't 
+   properly initialized in the BMP::BMP() constructor, leading 
+   to strange horizontal and vertical resolutions. 
+   
+   Fixed memory leak in BMP::ReadFromFile() where TempSkipBYTE 
+   wasn't deleted.
+      
+   Fixed memory leak in BMP::ReadFromFile() where szTemp wasn't 
+   deleted.
+   
+   Added BMP::TellVerticalDPI() and BMP::TellHorizontalDPI() 
+   functions to give this information. If those values have 
+   not yet been set, then they are first set to the EasyBMP 
+   defaults of 96 dpi. 
+   
+   Set uninitialized RGBApixel values to white (255,255,255,0) 
+   in a few functions for the BMP class.
+
+   Added a sample cpp application and makefile.
+   
+*--------------------------------------------------------------------*
+
+Version: 1.02
+   Date: 05-29-2006
+
+   Inserted a line into EasyBMP.h to suppress the Visual Studio 
+   warnings. We'll keep using the C++ standard fopen for now 
+   until fopen_s becomes a real standard. 
+   
+   Moved the code sample and makefile to a subdirectory, so that 
+   unzipping EasyBMP#_##.zip into a project directory doesn't 
+   overwrite any crucial makefiles. 
+   
+   Improved SafeFread() to check if the proper amount of data 
+   could be read. 
+   
+   Dramatically cleaned up ReadFromFile() code for 1 and 4 
+   bpp files.
+   
+   Fixed a typo (draw.o) in the sample makefile.
+   
+   Modified ReadFromFile() to use buffering when reading the pixel 
+   data. This should substantially improve disk access performance.
+   Only 16 bpp files are read in the old, slower way. 
+   
+   Changed DWORD from unsigned long to unsigned int. This should 
+   fix the issue where 64-bit machines see DWORD as an 8-byte 
+   data type, rather than 4 bytes. (Thank you to Bas Wegh!)
+   
+   Renamed BYTE, WORD, and DWORD data types to ebmpBYTE, ebmpWORD, 
+   and ebmpDWORD to eliminate the possibility of conflict with 
+   windows applications, particularly with 64-bit windows, which 
+   likely uses 8 byte DWORDS. 
+   
+   Modified WriteToFile() to use buffering when reading the pixel 
+   data. This should substantially improve disk access performance.
+   Only 16 bpp files are read in the old, slower way. 
+   
+   Added new function, EasyBMPcheckDataSize(), to check that 
+   the ebmpBYTE, ebmpWORD, and ebmpDWORD types have the correct 
+   type. 
+   
+   Added some new macros of the EasyBMP version number for easier 
+   version checking. New versions include _EasyBMP_Version_ 
+   (a double), _EasyBMP_Version_String_ (a char* version), and 
+   _EasyBMP_Version_Integer_ (an integer version, e.g., 102).
+
+*--------------------------------------------------------------------*
+
+Version: 1.03
+   Date: 06-20-2006
+
+   Inserted a line into EasyBMP.h to suppress the Visual Studio 
+   
+   Added a check to BMP.SetColor() to ensure that the color table 
+   is defined before attempting to set a color entry. 
+
+   Added a check to BMP.GetColor() to ensure that the color table 
+   is defined before attempting to retrieve a color entry. 
+   
+   Simplified the conditional in BMP.WriteToFile() from  
+   if( BitDepth == 1 || BitDepth == 4 || ... ) to the simpler 
+   if( BitDepth != 16 ).
+   
+   Removed the old, unused code for writing 1- and 4-bit files 
+   from BMP.WriteToFile().
+   
+   Removed the line Colors = new RGBApixel [NumberOfColors]; in 
+   BMP.ReadFromFile(). This operation is already covered by the 
+   earlier SetBitDepth() call, and may contribute to a memory 
+   leak. Furthermore, for files that had fewer than expected 
+   number of colors (e.g., an 8-bit file with 236 colors), it 
+   lead to memory access errors in BMP.GetColor() and BMP.SetColor(). 
+   (In fact, this is the main motivation for release 1.03.) 
+   
+   Added a warning when BMP.ReadFromFile() encounters an under-
+   specified color table, and code to pad the table with white 
+   entries. 
+   
+   Added screen output on EasyBMP version and project website to 
+   the code sample.
+   
+*--------------------------------------------------------------------*
+
+Version: 1.04
+   Date: 07-22-2006
+
+   Removed the assignment to the integer i in IntPow() to eliminate a 
+   Borland compiler warning.    
+
+   Removed the assignment to the integer i in the Read##bitRow() 
+   functions to eliminate Borland compiler warnings.
+   
+   Removed the assignment to ZeroWORD in line 478 of EasyBMP.cpp in 
+   BMP::WriteToFile() to eliminate Borland compiler warnings.
+   
+   Removed the assignment to ZeroWORD in line 825 of EasyBMP.cpp in 
+   BMP::ReadFromFile() to eliminate Borland compiler warnings.   
+   
+   The Borland warnings about conditions always being false are 
+   incorrect. (Lines 1587, 1594, and 1601.) Likewise, the Borland 
+   warnings about unreachable code (lines 1589, 1596, and 1603) are 
+   incorrect. This code serves as a protection on unexpected hardware 
+   where the data types may not be of the correct size, and helps to 
+   future-proof EasyBMP. The first time this type of error was 
+   encountered was on 64-bit CPUs, where the size of the DWORD was 
+   larger than assumed when writing EasyBMP. Therefore, we will not 
+   "correct" these "errors" detected by Borland. If they bother you, 
+   compile with the -w-8008 and -w-8066 options.
+   
+   Borland issues warnings about argc and argv being unused in the 
+   sample project. These are silly warnings and will be ignored. If 
+   this warning bothers you, compile with the -w-8057 option.
+   
+   Modified the sample makefile so that EasyBMP.o depends upon 
+   EasyBMP.cpp and EasyBMP*.h in the current working directory, rather
+   than the parent directory.
+   
+   Added a global EasyBMPwarnings boolean variable, and functions 
+   SetEasyBMPwarningsOn() and SetEasyBMPwarningsOff() to enable and 
+   disable EasyBMP warnings and errors. Note that this will not 
+   disable error checking or any other EasyBMP behavior, other than 
+   cout output of the warning and error messages.
+   
+   Added the function GetEasyBMPwarningState() to query the EasyBMP 
+   warning state. (Either warnings are enabled or disabled.)
+
+   Removed old commented code (Write1bitRow()) from EasyBMP.cpp. 
+
+   Replaced the 24-bit EasyBMPbackground.bmp image in the code sample 
+   with a dithered 8-bit version to reduce the download size of the 
+   core library.
+    
+*--------------------------------------------------------------------*
+
+Version: 1.05
+   Date: 11-01-2006
+
+   Renamed BytesRead to ItemsRead in the SafeFread() function in 
+   EasyBMP.cpp for greater clarity.
+   
+   Added a copy constructor to the BMP class. However, note that 
+   passing by value is not recommended practice. (Passing by refer-
+   ence is much faster, and consumes less memory.) 
+   
+   Added a new function: 
+       bool Rescale( BMP& InputImage, char mode, int NewDimension );
+   to resize an image. The mode variables are as follows:
+    'P': resizes the image to a new percentage of the old size, 
+	     e.g., 42%, 13%, etc. 
+         example: Rescale( SomeImage, 'p', 42 );
+    'W': resizes the image such that the new width is as specified. 
+         example: Rescale( SomeImage, 'W', 100 );
+    'H': resizes the image such that the new height is as specified. 
+         example: Rescale( SomeImage, 'H', 100 );
+    'F': resizes the image to fit in a square of specified size. 
+         example: Rescale( SomeImage, 'F', 100 ); // fits in 100x100
+		                                          // box
+   All rescaling is done with bilinear interpolation. 
+
+*--------------------------------------------------------------------*
+
+Version: 1.06
+   Date: 12-01-2006
+
+   Added includes for <cctype> and <cstring> to EasyBMP.h. These are
+   used and should have been included all along. This should help 
+   with Intel icc compiling. 
+   
+   Fixed the && bug in the copy constructor. (Thank you to user 
+   fcnature!)
+   
+   Added image scaling to the supplied code sample.
+   
+   Added GetPixle() and SetPixel() functions for future use. These 
+   will be added to enable more careful use of the const keyword.
+   
+*--------------------------------------------------------------------*
\ No newline at end of file
diff --git a/src/EasyBMP_DataStructures.h b/src/EasyBMP_DataStructures.h
new file mode 100644
index 0000000..82b6179
--- /dev/null
+++ b/src/EasyBMP_DataStructures.h
@@ -0,0 +1,104 @@
+/*************************************************
+*                                                *
+*  EasyBMP Cross-Platform Windows Bitmap Library * 
+*                                                *
+*  Author: Paul Macklin                          *
+*   email: macklin01@users.sourceforge.net       *
+* support: http://easybmp.sourceforge.net        *
+*                                                *
+*          file: EasyBMP_DataStructures.h        *
+*    date added: 05-02-2005                      *
+* date modified: 12-01-2006                      *
+*       version: 1.06                            *
+*                                                *
+*   License: BSD (revised/modified)              *
+* Copyright: 2005-6 by the EasyBMP Project       * 
+*                                                *
+* description: Defines basic data structures for *
+*              the BMP class                     *
+*                                                *
+*************************************************/
+
+#ifndef _EasyBMP_Custom_Math_Functions_
+#define _EasyBMP_Custom_Math_Functions_
+inline double Square( double number )
+{ return number*number; }
+
+inline int IntSquare( int number )
+{ return number*number; }
+#endif
+
+int IntPow( int base, int exponent );
+
+#ifndef _EasyBMP_Defined_WINGDI
+#define _EasyBMP_Defined_WINGDI
+ typedef unsigned char  ebmpBYTE;
+ typedef unsigned short ebmpWORD;
+ typedef unsigned int  ebmpDWORD;
+#endif
+
+#ifndef _EasyBMP_DataStructures_h_
+#define _EasyBMP_DataStructures_h_
+
+inline bool IsBigEndian()
+{
+ short word = 0x0001;
+ if((*(char *)& word) != 0x01 )
+ { return true; }
+ return false;
+}
+
+inline ebmpWORD FlipWORD( ebmpWORD in )
+{ return ( (in >> 8) | (in << 8) ); }
+
+inline ebmpDWORD FlipDWORD( ebmpDWORD in )
+{
+ return ( ((in&0xFF000000)>>24) | ((in&0x000000FF)<<24) | 
+          ((in&0x00FF0000)>>8 ) | ((in&0x0000FF00)<<8 )   );
+}
+
+// it's easier to use a struct than a class
+// because we can read/write all four of the bytes 
+// at once (as we can count on them being continuous 
+// in memory
+
+typedef struct RGBApixel {
+	ebmpBYTE Blue;
+	ebmpBYTE Green;
+	ebmpBYTE Red;
+	ebmpBYTE Alpha;
+} RGBApixel; 
+
+class BMFH{
+public:
+ ebmpWORD  bfType;
+ ebmpDWORD bfSize;
+ ebmpWORD  bfReserved1;
+ ebmpWORD  bfReserved2;
+ ebmpDWORD bfOffBits; 
+
+ BMFH();
+ void display( void );
+ void SwitchEndianess( void );
+};
+
+class BMIH{
+public:
+ ebmpDWORD biSize;
+ ebmpDWORD biWidth;
+ ebmpDWORD biHeight;
+ ebmpWORD  biPlanes;
+ ebmpWORD  biBitCount;
+ ebmpDWORD biCompression;
+ ebmpDWORD biSizeImage;
+ ebmpDWORD biXPelsPerMeter;
+ ebmpDWORD biYPelsPerMeter;
+ ebmpDWORD biClrUsed;
+ ebmpDWORD biClrImportant;
+
+ BMIH();
+ void display( void );
+ void SwitchEndianess( void );
+};
+
+#endif
diff --git a/src/EasyBMP_VariousBMPutilities.h b/src/EasyBMP_VariousBMPutilities.h
new file mode 100644
index 0000000..349dda6
--- /dev/null
+++ b/src/EasyBMP_VariousBMPutilities.h
@@ -0,0 +1,43 @@
+/*************************************************
+*                                                *
+*  EasyBMP Cross-Platform Windows Bitmap Library * 
+*                                                *
+*  Author: Paul Macklin                          *
+*   email: macklin01@users.sourceforge.net       *
+* support: http://easybmp.sourceforge.net        *
+*                                                *
+*          file: EasyBMP_VariousBMPutilities.h   *
+*    date added: 05-02-2005                      *
+* date modified: 12-01-2006                      *
+*       version: 1.06                            *
+*                                                *
+*   License: BSD (revised/modified)              *
+* Copyright: 2005-6 by the EasyBMP Project       * 
+*                                                *
+* description: Various utilities.                *
+*                                                *
+*************************************************/
+
+#ifndef _EasyBMP_VariousBMPutilities_h_
+#define _EasyBMP_VariousBMPutilities_h_
+
+BMFH GetBMFH( const char* szFileNameIn );
+BMIH GetBMIH( const char* szFileNameIn );
+void DisplayBitmapInfo( const char* szFileNameIn );
+int GetBitmapColorDepth( const char* szFileNameIn );
+void PixelToPixelCopy( BMP& From, int FromX, int FromY,  
+                       BMP& To, int ToX, int ToY);
+void PixelToPixelCopyTransparent( BMP& From, int FromX, int FromY,  
+                                  BMP& To, int ToX, int ToY,
+                                  RGBApixel& Transparent );
+void RangedPixelToPixelCopy( BMP& From, int FromL , int FromR, int FromB, int FromT, 
+                             BMP& To, int ToX, int ToY );
+void RangedPixelToPixelCopyTransparent( 
+     BMP& From, int FromL , int FromR, int FromB, int FromT, 
+     BMP& To, int ToX, int ToY ,
+     RGBApixel& Transparent );
+bool CreateGrayscaleColorTable( BMP& InputImage );
+
+bool Rescale( BMP& InputImage , char mode, int NewDimension );
+
+#endif
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new file mode 100644
index 0000000..8f87773
--- /dev/null
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+#sl -0.2994557099206982 1.3807141495295285 0.1964113386009258 -0.302547238464886 1.373735680583609 0.19611437077175256 1
+#sl -0.302547238464886 1.373735680583609 0.19611437077175256 -0.3179173731405764 1.2880726694675424 0.22109901809873245 393
+#sl -0.3179173731405764 1.2880726694675424 0.22109901809873245 -0.33269387363748953 1.3173571057934743 0.24046038340901854 388
+#sl -0.33269387363748953 1.3173571057934743 0.24046038340901854 -0.33188433558688585 1.3297490374664154 0.28937428962385114 387
+#se 259 260 260 261 261 262 262 263 263 264 264 265 265 266 266 267 267 268 268 259
diff --git a/src/image.cpp b/src/image.cpp
index 67bf157..46b6235 100755
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -38,7 +38,7 @@ image::~image(){
 //------------------------
 
 float image::applyGamma(float f){
-    //apply gamma correction, use simple power law gamma for now.
+    //apply gamma correction, use simple power law gamma for now. TODO: sRGB
     return pow(f/float(gamma.divisor), gamma.gamma);
 }
 
diff --git a/src/interactions.h b/src/interactions.h
index a09ec95..b132869 100755
--- a/src/interactions.h
+++ b/src/interactions.h
@@ -8,6 +8,16 @@
 
 #include "intersections.h"
 
+struct Fresnel {
+  float reflectionCoefficient;
+  float transmissionCoefficient;
+};
+
+struct AbsorptionAndScatteringProperties{
+    glm::vec3 absorptionCoefficient;
+    float reducedScatteringCoefficient;
+};
+
 //forward declaration
 __host__ __device__ bool calculateScatterAndAbsorption(ray& r, float& depth, AbsorptionAndScatteringProperties& currentAbsorptionAndScattering, glm::vec3& unabsorbedColor, material m, float randomFloatForScatteringDistance, float randomFloat2, float randomFloat3);
 __host__ __device__ glm::vec3 getRandomDirectionInSphere(float xi1, float xi2);
@@ -17,6 +27,73 @@ __host__ __device__ glm::vec3 calculateReflectionDirection(glm::vec3 normal, glm
 __host__ __device__ Fresnel calculateFresnel(glm::vec3 normal, glm::vec3 incident, float incidentIOR, float transmittedIOR, glm::vec3 reflectionDirection, glm::vec3 transmissionDirection);
 __host__ __device__ glm::vec3 calculateRandomDirectionInHemisphere(glm::vec3 normal, float xi1, float xi2);
 
+//TODO (OPTIONAL): IMPLEMENT THIS FUNCTION
+__host__ __device__ glm::vec3 calculateTransmission(glm::vec3 absorptionCoefficient, float distance) {
+  return glm::vec3(0,0,0);
+}
+
+//TODO (OPTIONAL): IMPLEMENT THIS FUNCTION
+__host__ __device__ bool calculateScatterAndAbsorption(ray& r, float& depth, AbsorptionAndScatteringProperties& currentAbsorptionAndScattering,
+                                                        glm::vec3& unabsorbedColor, material m, float randomFloatForScatteringDistance, float randomFloat2, float randomFloat3){
+  return false;
+}
+
+//TODO (OPTIONAL): IMPLEMENT THIS FUNCTION
+__host__ __device__ glm::vec3 calculateTransmissionDirection(glm::vec3 normal, glm::vec3 incident, float incidentIOR, float transmittedIOR) {
+	
+	float n12 = incidentIOR / transmittedIOR;
+
+	float temp = 1.0f - n12 * n12 * (1.0f - pow(glm::dot(normal, incident), 2));
+
+	if(temp >= 0.0f){
+		return glm::normalize((-n12 * glm::dot(normal, incident) - sqrt(temp)) * normal + n12 * incident);	
+	}
+	else
+	{
+		return calculateReflectionDirection(normal, incident);		
+	}
+		
+}
+
+//TODO (OPTIONAL): IMPLEMENT THIS FUNCTION
+__host__ __device__ glm::vec3 calculateReflectionDirection(glm::vec3 normal, glm::vec3 incident) {
+	//nothing fancy here
+	return glm::normalize(incident - 2.0f * normal * (glm::dot(incident, normal)));
+}
+
+//TODO (OPTIONAL): IMPLEMENT THIS FUNCTION
+__host__ __device__ Fresnel calculateFresnel(glm::vec3 normal, glm::vec3 incident, float incidentIOR, float transmittedIOR, glm::vec3 reflectionDirection, glm::vec3 transmissionDirection) {
+  Fresnel fresnel;
+  
+  fresnel.reflectionCoefficient = 1;
+  fresnel.transmissionCoefficient = 0;
+  
+  if(transmittedIOR == 0.0f)
+	  return fresnel;
+
+  float n1n2 = incidentIOR / transmittedIOR;
+
+  float cosI =  - glm::dot(incident, normal);
+  float sinT2 = (n1n2 * n1n2) * (1 - pow(cosI,2));
+
+  if(1 - sinT2 < 0.f)
+	  return fresnel;
+
+  float cosT = sqrt(1.0f - sinT2);
+
+  float r1 = pow(((incidentIOR * cosI - transmittedIOR * cosT) / (incidentIOR * cosI + transmittedIOR * cosT)), 2);
+  //float r2 = pow((transmittedIOR * cosI - incidentIOR * cosT) / (transmittedIOR * cosI + incidentIOR * cosT), 2);
+  float r2 = pow(((incidentIOR * cosT - transmittedIOR * cosI) / (incidentIOR * cosT + transmittedIOR * cosI)), 2);
+  fresnel.reflectionCoefficient = (r1 + r2) / 2.0f;
+  fresnel.transmissionCoefficient = 1.0f - fresnel.reflectionCoefficient;
+
+  //printf(" %f ", fresnel.transmissionCoefficient);
+  //printf(" %f ", cosI);
+  
+
+  return fresnel;
+}
+
 //LOOK: This function demonstrates cosine weighted random direction generation in a sphere!
 __host__ __device__ glm::vec3 calculateRandomDirectionInHemisphere(glm::vec3 normal, float xi1, float xi2) {
     
@@ -49,7 +126,21 @@ __host__ __device__ glm::vec3 calculateRandomDirectionInHemisphere(glm::vec3 nor
 //Now that you know how cosine weighted direction generation works, try implementing non-cosine (uniform) weighted random direction generation.
 //This should be much easier than if you had to implement calculateRandomDirectionInHemisphere.
 __host__ __device__ glm::vec3 getRandomDirectionInSphere(float xi1, float xi2) {
-  return glm::vec3(0,0,0);
+	
+	float theta = 2 * TWO_PI * xi1;
+	float phi = acos(2 * xi2 - 1);
+	float u = cos(phi);
+
+	return glm::vec3(sqrt(1 - u*u) * cos(theta), sqrt(1 - u*u) * sin(theta), u);
 }
 
+//TODO (PARTIALLY OPTIONAL): IMPLEMENT THIS FUNCTION
+//returns 0 if diffuse scatter, 1 if reflected, 2 if transmitted.
+__host__ __device__ int calculateBSDF(ray& r, glm::vec3 intersect, glm::vec3 normal, glm::vec3 emittedColor,
+                                       AbsorptionAndScatteringProperties& currentAbsorptionAndScattering,
+                                       glm::vec3& color, glm::vec3& unabsorbedColor, material m){
+
+  return 1;
+};
+
 #endif
diff --git a/src/intersections.h b/src/intersections.h
index a6b9469..2dc768b 100755
--- a/src/intersections.h
+++ b/src/intersections.h
@@ -17,11 +17,21 @@ __host__ __device__ glm::vec3 getPointOnRay(ray r, float t);
 __host__ __device__ glm::vec3 multiplyMV(cudaMat4 m, glm::vec4 v);
 __host__ __device__ glm::vec3 getSignOfRay(ray r);
 __host__ __device__ glm::vec3 getInverseDirectionOfRay(ray r);
+__host__ __device__ bool rayBoxIntersect(ray r, float t[2]);
 __host__ __device__ float boxIntersectionTest(staticGeom sphere, ray r, glm::vec3& intersectionPoint, glm::vec3& normal);
-__host__ __device__ float boxIntersectionTest(glm::vec3 boxMin, glm::vec3 boxMax, staticGeom box, ray r, glm::vec3& intersectionPoint, glm::vec3& normal);
 __host__ __device__ float sphereIntersectionTest(staticGeom sphere, ray r, glm::vec3& intersectionPoint, glm::vec3& normal);
+__host__ __device__ float triangleIntersectionTest(staticGeom triangle, ray r, glm::vec3& intersectionPoint, glm::vec3& normal);
 __host__ __device__ glm::vec3 getRandomPointOnCube(staticGeom cube, float randomSeed);
 
+
+__host__ __device__ float returnTest(staticGeom& sphere, glm::vec3& intersectionPoint, glm::vec3& normal );
+
+
+__host__ __device__ float returnTest(staticGeom& sphere, glm::vec3& intersectionPoint, glm::vec3& normal )
+{
+	return 2.0f;
+}
+
 //Handy dandy little hashing function that provides seeds for random number generation
 __host__ __device__ unsigned int hash(unsigned int a){
     a = (a+0x7ed55d16) + (a<<12);
@@ -69,98 +79,116 @@ __host__ __device__ glm::vec3 getSignOfRay(ray r){
   return glm::vec3((int)(inv_direction.x < 0), (int)(inv_direction.y < 0), (int)(inv_direction.z < 0));
 }
 
-//Wrapper for cube intersection test for testing against unit cubes
-__host__ __device__  float boxIntersectionTest(staticGeom box, ray r, glm::vec3& intersectionPoint, glm::vec3& normal){
-  return boxIntersectionTest(glm::vec3(-.5,-.5,-.5), glm::vec3(.5,.5,.5), box, r, intersectionPoint, normal);
-}
 
-//Cube intersection test, return -1 if no intersection, otherwise, distance to intersection
-__host__ __device__  float boxIntersectionTest(glm::vec3 boxMin, glm::vec3 boxMax, staticGeom box, ray r, glm::vec3& intersectionPoint, glm::vec3& normal){
-    glm::vec3 currentNormal = glm::vec3(0,0,0);
+__host__ __device__ bool rayBoxIntersect(ray r, float t[2])
+{
+	float t_min,t_max;
+
+	t[0] = FLT_MIN;//t_near
+
+	t[1] = FLT_MAX;//t_far
+
+	glm::vec3 min_box = glm::vec3(-.5,-.5,-.5);
+	glm::vec3 max_box = glm::vec3(.5,.5,.5);
+
+	bool intersectFlag = true;
+
+	for(int i = 0;i<3;i++){
+		if(r.direction[i] == 0){
+			if(r.origin[i] < min_box[i] || r.origin[i] >max_box[i]){
+				intersectFlag = false;
+			}
+		}
+		else{
+			t_min = (min_box[i] - r.origin[i]) / r.direction[i];
+			t_max = (max_box[i] - r.origin[i]) / r.direction[i];
+			
+			if(t_min > t_max){
+				float temp = t_min;
+				t_min = t_max;
+				t_max = temp;
+			}
+			if(t_min > t[0])
+				t[0] = t_min;
+			if(t_max < t[1]){
+				t[1] = t_max;
+			}
+			if(t[0]>t[1]){				
+				intersectFlag = false;
+			}					
+			if(t[1]<0){				
+				intersectFlag = false;
+			}
+		}
+	}
+	return intersectFlag;
+}
 
-    ray ro = r;
 
-    glm::vec3 iP0 = multiplyMV(box.inverseTransform,glm::vec4(r.origin, 1.0f));
-    glm::vec3 iP1 = multiplyMV(box.inverseTransform,glm::vec4(r.origin+r.direction, 1.0f));
-    glm::vec3 iV0 = iP1 - iP0;
+__host__ __device__ glm::vec3 getUnitBoxNommal(glm::vec3& p)
+{
+	glm::vec3 normal;
+	float eps = 0.001f;
+	if(abs(p.x - 0.5) < eps)
+		normal = glm::vec3(1,0,0);
+	else if(abs(p.x + 0.5) < eps){
+		normal = glm::vec3(-1,0,0);
+	}
+	else if(abs(p.y - 0.5) < eps){
+		normal = glm::vec3(0,1,0);
+	}
+	else if(abs(p.y + 0.5) < eps){
+		normal = glm::vec3(0,-1,0);		
+	}
+	else if(abs(p.z - 0.5) < eps){
+		normal = glm::vec3(0,0,1);
+	}
+	else if(abs(p.z + 0.5) < eps){
+		normal = glm::vec3(0,0,-1);
+	}
+	return normal;
+}
 
-    r.origin = iP0; 
-    r.direction = glm::normalize(iV0);
+//TODO: IMPLEMENT THIS FUNCTION
+//Cube intersection test, return -1 if no intersection, otherwise, distance to intersection
+__host__ __device__ float boxIntersectionTest(staticGeom box, ray r, glm::vec3& intersectionPoint, glm::vec3& normal){
 
-    float tmin, tmax, tymin, tymax, tzmin, tzmax;
+	glm::vec3 ro = multiplyMV(box.inverseTransform, glm::vec4(r.origin,1.0f));
+	glm::vec3 rd = glm::normalize(multiplyMV(box.inverseTransform, glm::vec4(r.direction,0.0f)));
 
-    glm::vec3 rsign = getSignOfRay(r);
-    glm::vec3 rInverseDirection = getInverseDirectionOfRay(r);
+	ray rt; rt.origin = ro; rt.direction = rd;
 
-    if((int)rsign.x==0){
-      tmin = (boxMin.x - r.origin.x) * rInverseDirection.x;
-      tmax = (boxMax.x - r.origin.x) * rInverseDirection.x;
-    }else{
-      tmin = (boxMax.x - r.origin.x) * rInverseDirection.x;
-      tmax = (boxMin.x - r.origin.x) * rInverseDirection.x;
-    }
+	float t[2] = {FLT_MIN, FLT_MAX};
+	//float t[2] = {0};
+	bool isIntersect = rayBoxIntersect(rt, t);
 
-    if((int)rsign.y==0){
-      tymin = (boxMin.y - r.origin.y) * rInverseDirection.y;
-      tymax = (boxMax.y - r.origin.y) * rInverseDirection.y;
-    }else{
-      tymin = (boxMax.y - r.origin.y) * rInverseDirection.y;
-      tymax = (boxMin.y - r.origin.y) * rInverseDirection.y;
-    }
+	float ti;
+	if(isIntersect)
+	{			
+		if(t[0]<=0){
+			ti = t[1];			
+		}
+		else
+			ti = t[0];		
 
-    if ( (tmin > tymax) || (tymin > tmax) ){
-        return -1;
-    }
-    if (tymin > tmin){
-        tmin = tymin;
-    }
-    if (tymax < tmax){
-        tmax = tymax;
-    }
 
-    if((int)rsign.z==0){
-      tzmin = (boxMin.z - r.origin.z) * rInverseDirection.z;
-      tzmax = (boxMax.z - r.origin.z) * rInverseDirection.z;
-    }else{
-      tzmin = (boxMax.z - r.origin.z) * rInverseDirection.z;
-      tzmax = (boxMin.z - r.origin.z) * rInverseDirection.z;
-    }
+		glm::vec3 realIntersectionPoint = multiplyMV(box.transform, glm::vec4(getPointOnRay(rt, ti), 1.0));
+		glm::vec3 realOrigin = multiplyMV(box.transform, glm::vec4(0,0,0,1));
 
-    if ( (tmin > tzmax) || (tzmin > tmax) ){
-        return -1;
-    }
-    if (tzmin > tmin){
-        tmin = tzmin;
-    }
-    if (tzmax < tmax){
-        tmax = tzmax;
-    }
-    if(tmin<0){
-        return -1;
-    }
+		glm::vec3 unitNormal = getUnitBoxNommal(getPointOnRay(rt, ti));				
 
-    glm::vec3 osintersect = r.origin + tmin*r.direction;
-
-    if(abs(osintersect.x-abs(boxMax.x))<.001){
-        currentNormal = glm::vec3(1,0,0);
-    }else if(abs(osintersect.y-abs(boxMax.y))<.001){
-        currentNormal = glm::vec3(0,1,0);
-    }else if(abs(osintersect.z-abs(boxMax.z))<.001){
-        currentNormal = glm::vec3(0,0,1);
-    }else if(abs(osintersect.x+abs(boxMin.x))<.001){
-        currentNormal = glm::vec3(-1,0,0);
-    }else if(abs(osintersect.y+abs(boxMin.y))<.001){
-        currentNormal = glm::vec3(0,-1,0);
-    }else if(abs(osintersect.z+abs(boxMin.z))<.001){
-        currentNormal = glm::vec3(0,0,-1);
-    }
+		intersectionPoint = realIntersectionPoint;				
 
-    intersectionPoint = multiplyMV(box.transform, glm::vec4(osintersect, 1.0));
+		glm::vec3 realNormal = multiplyMV(box.transform, glm::vec4(unitNormal, 1));
+		
+		normal = glm::normalize(realNormal - realOrigin);
 
-
-
-    normal = multiplyMV(box.transform, glm::vec4(currentNormal,0.0));
-    return glm::length(intersectionPoint-ro.origin);
+		//normal = glm::normalize(realOrigin - realNormal);
+			
+		return glm::length(r.origin - realIntersectionPoint);
+	}
+	else
+		return -1;
 }
 
 //LOOK: Here's an intersection test example from a sphere. Now you just need to figure out cube and, optionally, triangle.
@@ -172,8 +200,8 @@ __host__ __device__ float sphereIntersectionTest(staticGeom sphere, ray r, glm::
   glm::vec3 ro = multiplyMV(sphere.inverseTransform, glm::vec4(r.origin,1.0f));
   glm::vec3 rd = glm::normalize(multiplyMV(sphere.inverseTransform, glm::vec4(r.direction,0.0f)));
 
-  ray rt; rt.origin = ro; rt.direction = rd;
-  
+ ray rt; rt.origin = ro; rt.direction = rd;
+ 
   float vDotDirection = glm::dot(rt.origin, rt.direction);
   float radicand = vDotDirection * vDotDirection - (glm::dot(rt.origin, rt.origin) - pow(radius, 2));
   if (radicand < 0){
@@ -192,7 +220,7 @@ __host__ __device__ float sphereIntersectionTest(staticGeom sphere, ray r, glm::
       t = min(t1, t2);
   } else {
       t = max(t1, t2);
-  }
+  }  
 
   glm::vec3 realIntersectionPoint = multiplyMV(sphere.transform, glm::vec4(getPointOnRay(rt, t), 1.0));
   glm::vec3 realOrigin = multiplyMV(sphere.transform, glm::vec4(0,0,0,1));
@@ -203,6 +231,48 @@ __host__ __device__ float sphereIntersectionTest(staticGeom sphere, ray r, glm::
   return glm::length(r.origin - realIntersectionPoint);
 }
 
+__host__ __device__ float triangleIntersectionTest(staticGeom mesh, ray r, glm::vec3& intersectionPoint, glm::vec3& normal)
+{
+
+	//return -1.0f;
+
+	glm::vec3 ro = multiplyMV(mesh.inverseTransform, glm::vec4(r.origin,1.0f));
+	glm::vec3 rd = glm::normalize(multiplyMV(mesh.inverseTransform, glm::vec4(r.direction,0.0f)));
+
+	ray rt; rt.origin = ro; rt.direction = rd;
+
+	glm::vec3 p1 = mesh.tri.p1;
+	glm::vec3 p2 = mesh.tri.p2;
+	glm::vec3 p3 = mesh.tri.p3;
+	glm::vec3 trinormal = mesh.tri.normal;
+	float d = glm::dot(trinormal,p1);
+	
+	if(glm::abs(glm::dot(trinormal,rt.direction)-0.0f)<0.001){
+		return -1.0f;//parallel to the plane
+	}
+
+	float t = (d - glm::dot(trinormal, rt.origin))/ glm::dot(trinormal,rt.direction);
+
+	if(t<0.0 )
+		return -1.0f;
+
+	glm::vec3 qPoint = rt.origin + t * rt.direction;
+
+	if(glm::dot(glm::cross((p2-p1),(qPoint-p1)),trinormal)>0 )
+		if(glm::dot(glm::cross((p3-p2),(qPoint-p2)),trinormal)>0)
+			if(glm::dot(glm::cross((p1-p3),(qPoint-p3)),trinormal)>0)
+			{
+				glm::vec3 realIntersectionPoint = multiplyMV(mesh.transform, glm::vec4(qPoint, 1.0));
+				intersectionPoint = realIntersectionPoint;
+				glm::mat4 tempMat4 = utilityCore::cudaMat4ToGlmMat4(mesh.inverseTransform);
+				cudaMat4 inverseTranspose = utilityCore::glmMat4ToCudaMat4(glm::transpose(tempMat4));				
+				normal = glm::normalize(multiplyMV(mesh.transform, glm::vec4(trinormal,1)));
+				return t;
+			}
+
+	return -1.0f;
+}
+
 //returns x,y,z half-dimensions of tightest bounding box
 __host__ __device__ glm::vec3 getRadiuses(staticGeom geom){
     glm::vec3 origin = multiplyMV(geom.transform, glm::vec4(0,0,0,1));
@@ -261,20 +331,31 @@ __host__ __device__ glm::vec3 getRandomPointOnCube(staticGeom cube, float random
        
 }
 
+//TODO: IMPLEMENT THIS FUNCTION
 //Generates a random point on a given sphere
 __host__ __device__ glm::vec3 getRandomPointOnSphere(staticGeom sphere, float randomSeed){
-  float radius=.5f;
-  thrust::default_random_engine rng(hash(randomSeed));
-  thrust::uniform_real_distribution<float> u01(-1,1);
-  thrust::uniform_real_distribution<float> u02(0,TWO_PI);
-
-  float theta = (float)u02(rng);
-  float cosphi = (float)u01(rng);
-  float sinphi = sqrt(1 - cosphi*cosphi);
-  glm::vec3 point = radius*glm::vec3(sinphi*cos(theta),sinphi*sin(theta),cosphi);
-  glm::vec3 randPoint = multiplyMV(sphere.transform, glm::vec4(point,1.0f));
-
-  return randPoint;
+
+	thrust::default_random_engine rng(hash(randomSeed));
+    thrust::uniform_real_distribution<float> u01(0,180);
+    thrust::uniform_real_distribution<float> u02(0,360);
+
+	float radius = .5f;
+
+	glm::vec3 point;
+
+	float theta, phi;
+	theta = (float)u01(rng);
+	phi = (float)u02(rng);
+
+	float degToRad = PI / 180.0f;
+
+	point.x = radius * sin(theta * degToRad) * cos(phi * degToRad);
+	point.y = radius * sin(theta * degToRad) * sin(phi * degToRad);
+	point.z = radius * cos(theta * degToRad);
+
+	glm::vec3 randPoint = multiplyMV(sphere.transform, glm::vec4(point, 1.0f));
+
+	return randPoint;
 }
 
 #endif
diff --git a/src/main.cpp b/src/main.cpp
index 81836b1..09675e5 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -21,6 +21,8 @@ int main(int argc, char** argv){
 	  glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
   #endif
 
+
+  srand((unsigned)(time(0)));
   // Set up pathtracer stuff
   bool loadedScene = false;
   finishedRender = false;
@@ -28,6 +30,11 @@ int main(int argc, char** argv){
   targetFrame = 0;
   singleFrameMode = false;
 
+  //Load Texture
+#ifdef TEXTUREMAP
+  readBMP("../../test.bmp");
+#endif
+
   // Load scene file
   for(int i=1; i<argc; i++){
     string header; string data;
@@ -53,6 +60,8 @@ int main(int argc, char** argv){
   width = renderCam->resolution[0];
   height = renderCam->resolution[1];
 
+  preColors = new glm::vec3[width * height];
+
   if(targetFrame>=renderCam->frames){
     cout << "Warning: Specified target frame is out of range, defaulting to frame 0." << endl;
     targetFrame = 0;
@@ -90,6 +99,7 @@ int main(int argc, char** argv){
   #else
 	  glutDisplayFunc(display);
 	  glutKeyboardFunc(keyboard);
+	  glutMouseFunc(mouse);
 
 	  glutMainLoop();
   #endif
@@ -104,7 +114,6 @@ void runCuda(){
 
   // Map OpenGL buffer object for writing from CUDA on a single GPU
   // No data is moved (Win & Linux). When mapped to CUDA, OpenGL should not use this buffer
-  
   if(iterations<renderCam->iterations){
     uchar4 *dptr=NULL;
     iterations++;
@@ -120,13 +129,30 @@ void runCuda(){
     for(int i=0; i<renderScene->materials.size(); i++){
       materials[i] = renderScene->materials[i];
     }
-    
-  
-    // execute the kernel
-    cudaRaytraceCore(dptr, renderCam, targetFrame, iterations, materials, renderScene->materials.size(), geoms, renderScene->objects.size() );
+
+	int *BMPRed = new int [BMPSize[0] * BMPSize[1]];
+	int *BMPGreen = new int [BMPSize[0] * BMPSize[1]];
+	int *BMPBlue = new int [BMPSize[0] * BMPSize[1]];
+
+	for(int i = 0; i < BMPSize[0]; i++)
+	{
+		for(int j = 0; j < BMPSize[1]; j++)
+		{
+			int index = i * BMPSize[1] + j;
+			BMPRed[index] = BMPInput(i,j)->Red;
+			BMPGreen[index] = BMPInput(i,j)->Green;
+			BMPBlue[index] = BMPInput(i,j)->Blue;
+		}
+	}
+// execute the kernel
+	cudaRaytraceCore(dptr, renderCam, targetFrame, iterations, materials, renderScene->materials.size(), geoms, renderScene->objects.size(), preColors, BMPRed, BMPGreen, BMPBlue, BMPSize);
     
     // unmap buffer object
     cudaGLUnmapBufferObject(pbo);
+
+	delete BMPRed;
+	delete BMPGreen;
+	delete BMPBlue;
   }else{
 
     if(!finishedRender){
@@ -136,14 +162,14 @@ void runCuda(){
       for(int x=0; x<renderCam->resolution.x; x++){
         for(int y=0; y<renderCam->resolution.y; y++){
           int index = x + (y * renderCam->resolution.x);
-          outputImage.writePixelRGB(renderCam->resolution.x-1-x,y,renderCam->image[index]);
+		  outputImage.writePixelRGB(renderCam->resolution.x-1-x,y,renderCam->image[index]);//sijie
         }
       }
       
       gammaSettings gamma;
       gamma.applyGamma = true;
-      gamma.gamma = 1.0;
-      gamma.divisor = 1.0; //renderCam->iterations;
+      gamma.gamma = 1.0 / 2.0;
+	  gamma.divisor = renderCam->iterations;
       outputImage.setGammaSettings(gamma);
       string filename = renderCam->imageName;
       string s;
@@ -166,7 +192,7 @@ void runCuda(){
       targetFrame++;
       iterations = 0;
       for(int i=0; i<renderCam->resolution.x*renderCam->resolution.y; i++){
-        renderCam->image[i] = glm::vec3(0,0,0);
+			renderCam->image[i] = glm::vec3(0,0,0);
       }
       cudaDeviceReset(); 
       finishedRender = false;
@@ -175,6 +201,15 @@ void runCuda(){
   
 }
 
+void cameraReset()
+{
+	iterations = 0;
+	preColors = new glm::vec3[width * height];		
+	for(int i = 0; i < width * height; i++)
+		renderCam->image[i] = glm::vec3(0,0,0);		
+}
+
+
 #ifdef __APPLE__
 
 	void display(){
@@ -223,9 +258,46 @@ void runCuda(){
 		std::cout << key << std::endl;
 		switch (key) 
 		{
+		   case(97):			   
+				renderCam->positions[0].x++;			
+			  	cameraReset();
+				break;
+		   case(100):
+				renderCam->positions[0].x--;
+				cameraReset();
+				break;
+		   case(119):
+			  renderCam->positions[0].z--;
+			  cameraReset();
+			  break;
+		   case(115):
+			  renderCam->positions[0].z++;
+			  cameraReset();
+			  break;
 		   case(27):
 			   exit(1);
 			   break;
+			  
+		}
+	}
+
+	void mouse(int button, int state, int x, int y)
+	{
+		if(button ==  GLUT_LEFT_BUTTON && state == GLUT_DOWN)
+		{
+			ix = x;
+			iy = y;			
+		}
+		else if(button == GLUT_LEFT_BUTTON && state == GLUT_UP)
+		{
+			float deltaX = x - ix;
+			float deltaY = y - iy;		
+
+			deltaX /= renderCam->resolution[0];
+			deltaY /= renderCam->resolution[1];
+
+			cameraReset();
+			renderCam->views[0] = glm::normalize(glm::vec3(deltaX, deltaY, -1));
 		}
 	}
 
@@ -234,6 +306,7 @@ void runCuda(){
 
 
 
+
 //-------------------------------
 //----------SETUP STUFF----------
 //-------------------------------
@@ -396,3 +469,42 @@ void shut_down(int return_code){
   #endif
   exit(return_code);
 }
+
+
+void readBMP(char* filename)
+{	
+	if(BMPInput.ReadFromFile("../../test.bmp"))
+	{
+		BMIH bmih = GetBMIH("../../test.bmp");
+		printf("Get Image Succeessful");
+		//printf("r%d g%d b%d ", BMPInput(3,3)->Red, BMPInput(3,3)->Green, BMPInput(3,3)->Blue);
+		//printf("%d, %d ", bmih.biWidth, bmih.biHeight);
+		BMPSize[0] = bmih.biWidth;
+		BMPSize[1] = bmih.biHeight;		
+	}
+	else
+	{
+		BMPSize[0] = BMPSize[1] = 0;
+	}
+}
+
+glm::vec3 GetOGLPos(int x, int y)
+{
+    GLint viewport[4];
+    GLdouble modelview[16];
+    GLdouble projection[16];
+    GLfloat winX, winY, winZ;
+    GLdouble posX, posY, posZ;
+ 
+    glGetDoublev( GL_MODELVIEW_MATRIX, modelview );
+    glGetDoublev( GL_PROJECTION_MATRIX, projection );
+    glGetIntegerv( GL_VIEWPORT, viewport );
+ 
+    winX = (float)x;
+    winY = (float)viewport[3] - (float)y;
+    glReadPixels( x, int(winY), 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &winZ );
+ 
+    gluUnProject( winX, winY, winZ, modelview, projection, viewport, &posX, &posY, &posZ);
+ 
+    return glm::vec3(posX, posY, posZ);
+}
\ No newline at end of file
diff --git a/src/main.h b/src/main.h
index 0bab7cb..e6cb405 100755
--- a/src/main.h
+++ b/src/main.h
@@ -29,6 +29,10 @@
 #include "raytraceKernel.h"
 #include "utilities.h"
 #include "scene.h"
+#include "EasyBMP.h"
+
+#include<cstdlib>
+#include<ctime>
 
 #if CUDA_VERSION >= 5000
     #include <helper_cuda.h>
@@ -52,6 +56,8 @@ int targetFrame;
 int iterations;
 bool finishedRender;
 bool singleFrameMode;
+glm::vec3 *preColors;
+
 
 //-------------------------------
 //------------GL STUFF-----------
@@ -86,6 +92,7 @@ void runCuda();
 #else
 	void display();
 	void keyboard(unsigned char key, int x, int y);
+	void mouse(int button, int state, int x, int y);
 #endif
 
 //-------------------------------
@@ -113,4 +120,15 @@ void deletePBO(GLuint* pbo);
 void deleteTexture(GLuint* tex);
 void shut_down(int return_code);
 
+//FOR READING IMAGE DATA
+BMP BMPInput;
+int BMPSize[2];
+void readBMP(char* filename);
+
+//For mouse position in object space
+int ix, iy;
+glm::vec3 GetOGLPos(int x, int y);
+
+void cameraReset();
+
 #endif
diff --git a/src/pyramid.obj b/src/pyramid.obj
new file mode 100644
index 0000000..f2c4ca1
--- /dev/null
+++ b/src/pyramid.obj
@@ -0,0 +1,16 @@
+# OBJ file created by ply_to_obj.c
+#
+g Object001
+
+v  0  0  0
+v  1  0  0
+v  1  1  0
+v  0  1  0
+v  0.5  0.5  1.6
+
+f  4  1  2
+f  3  4  2
+f  5  2  1
+f  4  5  1
+f  3  5  4
+f  5  3  2
diff --git a/src/raytraceKernel.cu b/src/raytraceKernel.cu
index 87a65a6..203e6f8 100755
--- a/src/raytraceKernel.cu
+++ b/src/raytraceKernel.cu
@@ -5,25 +5,61 @@
 //       Peter Kutz and Yining Karl Li's GPU Pathtracer: http://gpupathtracer.blogspot.com/
 //       Yining Karl Li's TAKUA Render, a massively parallel pathtracing renderer: http://www.yiningkarlli.com
 
+#include <thrust/device_vector.h>
+#include <thrust/host_vector.h>
+#include <thrust/remove.h>
+#include <thrust/copy.h>
+
 #include <stdio.h>
 #include <cuda.h>
 #include <cmath>
 #include "sceneStructs.h"
+#include "glm/glm.hpp"
 #include "utilities.h"
 #include "raytraceKernel.h"
 #include "intersections.h"
 #include "interactions.h"
 #include <vector>
-#include "glm/glm.hpp"
+#include <time.h>  
+#include <windows.h>
+#include "EasyBMP.h"
+
+
+#if CUDA_VERSION >= 5000
+    #include <helper_math.h>
+#else
+    #include <cutil_math.h>
+#endif
 
 void checkCUDAError(const char *msg) {
   cudaError_t err = cudaGetLastError();
   if( cudaSuccess != err) {
     fprintf(stderr, "Cuda error: %s: %s.\n", msg, cudaGetErrorString( err) ); 
+	system("pause");
     exit(EXIT_FAILURE); 
   }
 } 
 
+struct rayPixel
+{
+	ray r;
+	int index;
+	bool isDone;
+	bool isFirst;
+	int x;
+	int y;
+};
+
+struct is_done
+{
+    __host__ __device__
+    bool operator()(const rayPixel r)
+    {
+		return r.isDone;
+    }
+};
+
+
 //LOOK: This function demonstrates how to use thrust for random number generation on the GPU!
 //Function that generates static.
 __host__ __device__ glm::vec3 generateRandomNumberFromThread(glm::vec2 resolution, float time, int x, int y){
@@ -35,42 +71,49 @@ __host__ __device__ glm::vec3 generateRandomNumberFromThread(glm::vec2 resolutio
   return glm::vec3((float) u01(rng), (float) u01(rng), (float) u01(rng));
 }
 
-//Kernel that does the initial raycast from the camera.
-__host__ __device__ ray raycastFromCameraKernel(glm::vec2 resolution, float time, int x, int y, glm::vec3 eye, glm::vec3 view, glm::vec3 up, glm::vec2 fov){
-   
-  int index = x + (y * resolution.x);
+__host__ __device__ int generateRandomNumber(glm::vec2 resolution, float time, int x, int y)
+{
+	int index = x + (y * resolution.x);
    
-  thrust::default_random_engine rng(hash(index*time));
-  thrust::uniform_real_distribution<float> u01(0,1);
-  
-  //standard camera raycast stuff
-  glm::vec3 E = eye;
-  glm::vec3 C = view;
-  glm::vec3 U = up;
-  float fovx = fov.x;
-  float fovy = fov.y;
-  
-  float CD = glm::length(C);
-  
-  glm::vec3 A = glm::cross(C, U);
-  glm::vec3 B = glm::cross(A, C);
-  glm::vec3 M = E+C;
-  glm::vec3 H = (A*float(CD*tan(fovx*(PI/180))))/float(glm::length(A));
-  glm::vec3 V = (B*float(CD*tan(-fovy*(PI/180))))/float(glm::length(B));
-  
-  float sx = (x)/(resolution.x-1);
-  float sy = (y)/(resolution.y-1);
-  
-  glm::vec3 P = M + (((2*sx)-1)*H) + (((2*sy)-1)*V);
-  glm::vec3 PmE = P-E;
-  glm::vec3 R = E + (float(200)*(PmE))/float(glm::length(PmE));
+	thrust::default_random_engine rng(hash(index*time));
+	thrust::uniform_real_distribution<float> u01(0,1);
+
+	return (int)(u01(rng)) * 10;
+}
+
+__host__ __device__ int generateRandomNumber(float time)
+{
+	thrust::default_random_engine rng(hash(time));
+	thrust::uniform_real_distribution<float> u01(0,1);
+
+	return (float)(u01(rng));
+}
+
+
+//TODO: IMPLEMENT THIS FUNCTION
+//Function that does the initial raycast from the camera
+__host__ __device__ ray raycastFromCameraKernel(glm::vec2 resolution, float time, float x, float y, glm::vec3 eye, glm::vec3 view, glm::vec3 up, glm::vec2 fov){
   
-  glm::vec3 direction = glm::normalize(R);
-  //major performance cliff at this point, TODO: find out why!
-  ray r;
-  r.origin = eye;
-  r.direction = direction;
-  return r;
+	//printf("%f  ", x);
+
+	glm::vec3 A = glm::cross(view, up);
+	glm::vec3 B = glm::cross(A, view);
+	glm::vec3 M = eye + view;
+
+	float absC = glm::length(view);
+	float absA = glm::length(A);
+	float absB = glm::length(B);
+
+	glm::vec3 H = (A * absC * (float)tan(fov.x*(PI/180))) / absA;
+	glm::vec3 V = (B * absC * (float)tan(fov.y*(PI/180))) / absB;
+
+	glm::vec3 P = M + (2 * (x / (float)(resolution.x - 1)) - 1) * H + (1 - 2 * (y / (float)(resolution.y - 1))) * V;
+	glm::vec3 D = (P - eye) / glm::length(P - eye);
+
+	ray r;
+	r.origin = eye;
+	r.direction = D;	
+	return r;
 }
 
 //Kernel that blacks out a given image buffer
@@ -83,8 +126,8 @@ __global__ void clearImage(glm::vec2 resolution, glm::vec3* image){
     }
 }
 
-//Kernel that writes the image to the OpenGL PBO directly. 
-__global__ void sendImageToPBO(uchar4* PBOpos, glm::vec2 resolution, glm::vec3* image){
+//Kernel that writes the image to the OpenGL PBO directly.
+__global__ void sendImageToPBO(uchar4* PBOpos, glm::vec2 resolution, glm::vec3* image, float time){
   
   int x = (blockIdx.x * blockDim.x) + threadIdx.x;
   int y = (blockIdx.y * blockDim.y) + threadIdx.y;
@@ -92,11 +135,14 @@ __global__ void sendImageToPBO(uchar4* PBOpos, glm::vec2 resolution, glm::vec3*
   
   if(x<=resolution.x && y<=resolution.y){
 
-      glm::vec3 color;      
+      glm::vec3 color;
+
       color.x = image[index].x*255.0;
       color.y = image[index].y*255.0;
       color.z = image[index].z*255.0;
 
+	  color /= time;//sijie
+	  
       if(color.x>255){
         color.x = 255;
       }
@@ -107,65 +153,682 @@ __global__ void sendImageToPBO(uchar4* PBOpos, glm::vec2 resolution, glm::vec3*
 
       if(color.z>255){
         color.z = 255;
-      }
-      
+      }  
+
       // Each thread writes one pixel location in the texture (textel)
       PBOpos[index].w = 0;
-      PBOpos[index].x = color.x;     
+      PBOpos[index].x = color.x;
       PBOpos[index].y = color.y;
       PBOpos[index].z = color.z;
   }
 }
 
-//TODO: IMPLEMENT THIS FUNCTION
-//Core raytracer kernel
-__global__ void raytraceRay(glm::vec2 resolution, float time, float bounce, cameraData cam, int rayDepth, glm::vec3* colors, 
-                            staticGeom* geoms, int numberOfGeoms, material* materials, int numberOfMaterials){
 
+__global__ void sendImageToPBOSC(uchar4* PBOpos, glm::vec3* image, float time, int poolSize, glm::vec3* preimage)
+{
   int x = (blockIdx.x * blockDim.x) + threadIdx.x;
-  int y = (blockIdx.y * blockDim.y) + threadIdx.y;
-  int index = x + (y * resolution.x);
+  int y = (blockIdx.y * blockDim.y) + threadIdx.y; 
+  
+  if(x<poolSize){
 
-  ray r = raycastFromCameraKernel(resolution, time, x, y, cam.position, cam.view, cam.up, cam.fov);
-
-  if((x<=resolution.x && y<=resolution.y)){
-
-    float MAX_DEPTH = 100000000000000000;
-    float depth = MAX_DEPTH;
-
-    for(int i=0; i<numberOfGeoms; i++){
-        glm::vec3 intersectionPoint;
-        glm::vec3 intersectionNormal;
-       if(geoms[i].type==SPHERE){
-           depth = sphereIntersectionTest(geoms[i], r, intersectionPoint, intersectionNormal);
-        }else if(geoms[i].type==CUBE){
-            depth = boxIntersectionTest(geoms[i], r, intersectionPoint, intersectionNormal);
-        }else if(geoms[i].type==MESH){
-            //triangle tests go here
-        }else{
-            //lol?
-        }
-        if(depth<MAX_DEPTH && depth>-EPSILON){
-          MAX_DEPTH = depth;
-          colors[index] = materials[geoms[i].materialid].color;
-        }
-    }
+	  int index = x;
+      glm::vec3 color;
+
+	  /*color.x = ((image[index].x + preimage[index].x) / time) * 255.0;
+	  color.y = ((image[index].y + preimage[index].y) / time) * 255.0;
+	  color.z = ((image[index].z + preimage[index].z) / time) * 255.0;*/
+
+	  color.x = image[index].x*255.0;
+      color.y = image[index].y*255.0;
+      color.z = image[index].z*255.0;
+
+	  color /= time;//sijie
+	  
+      if(color.x>255){
+        color.x = 255;
+      }
+
+      if(color.y>255){
+        color.y = 255;
+      }
+
+      if(color.z>255){
+        color.z = 255;
+      }	  
+
+      // Each thread writes one pixel location in the texture (textel)
+      PBOpos[index].w = 0;
+      PBOpos[index].x = color.x;
+      PBOpos[index].y = color.y;
+      PBOpos[index].z = color.z;
+  }
+}
+
+__global__ void addImageColor(glm::vec3* currImage, glm::vec3* preImage, glm::vec2 resolution)
+{
+	int x = (blockIdx.x * blockDim.x) + threadIdx.x;
+	int y = (blockIdx.y * blockDim.y) + threadIdx.y;
+	int index = x + (y * resolution.x);
+  
+	if(x<=resolution.x && y<=resolution.y)
+	{
+		currImage[index] = (currImage[index] + preImage[index]);
+	}
+}
+
+__host__ __device__  bool ShadowRayUnblock(staticGeom* geoms, int numberofGeoms, glm::vec3 intersectionPoint, int lightIndex, int geomIndex, glm::vec3 normal, glm::vec3 lightPos)
+{	
+	ray r;	
+	r.direction = glm::normalize(lightPos - intersectionPoint);
+	r.origin = intersectionPoint + .1f * r.direction;
+
+	//surface parallel to the light
+	if(glm::dot(r.direction, normal) < 1e-5 && glm::dot(r.direction, normal) > -1e-5)
+		return false;
 
+	glm::vec3 tempInterPoint, tempNormal;	
+	float t = FLT_MAX;
+	int intersectIndex = -1;
+	for(int i = 0; i < numberofGeoms; ++i)
+	{		
+		float temp;
+		if(geoms[i].type == CUBE)
+			temp = boxIntersectionTest(geoms[i], r, tempInterPoint, tempNormal);
+		else
+			temp = sphereIntersectionTest(geoms[i], r, tempInterPoint, tempNormal);
+
+		if(temp < t && temp != -1.0f)
+		{
+			t = temp;
+			intersectIndex = i;
+		}
+	}
+
+	if(intersectIndex == lightIndex)
+		return true;
+	else
+		return false;
+}
+
+
+__host__ __device__ bool checkIntersect(staticGeom* geoms, int numberOfGeoms, ray r, glm::vec3& intersectionPoint, glm::vec3& normal, int& geomIndex)
+{
+	float t = FLT_MAX;
+	//int geomIndex = 0;
+	for(int i = numberOfGeoms - 1; i >= 0; --i)
+	{	
+		float temp;
+		if(geoms[i].type == SPHERE)
+			temp = sphereIntersectionTest(geoms[i], r, intersectionPoint, normal);
+		else if(geoms[i].type == CUBE)
+			temp = boxIntersectionTest(geoms[i], r, intersectionPoint, normal);
+		else if(geoms[i].type == MESH){
+			//printf("hahah tri \n");
+			temp = triangleIntersectionTest(geoms[i], r, intersectionPoint, normal);
+			//printf("after haah tri \n");
+		}
+
+		if(temp != -1.0f && temp < t)
+		{
+			t = temp;
+			geomIndex = i;		
+		}
+	}	
+
+	if(t != FLT_MAX){
+		//get the intersection point and normal
+		if(geoms[geomIndex].type == SPHERE)
+			sphereIntersectionTest(geoms[geomIndex], r, intersectionPoint, normal);
+		else if(geoms[geomIndex].type == CUBE)
+			boxIntersectionTest(geoms[geomIndex], r, intersectionPoint, normal);
+		else if(geoms[geomIndex].type == MESH){
+			triangleIntersectionTest(geoms[geomIndex], r, intersectionPoint, normal);
+			//printf("have tri ");
+		}
+		return true;
+	}
+	else
+	{
+		return false;
+	}
+}
 
 
-    //colors[index] = generateRandomNumberFromThread(resolution, time, x, y);
-   }
+__host__ __device__ glm::vec3 indirectLight(staticGeom* geoms, int numberOfGeoms, int* lightIndex, glm::vec3 intersectionPoint, glm::vec3 normal, int geomIndex, float time, glm::vec3 materialColor)
+{
+	glm::vec3 color;
+	int sampleNum = 3;
+	for(int i = 0; i < sampleNum; i++)
+	{
+		//for now is just one light
+		glm::vec3 pointOnCube = getRandomPointOnCube(geoms[lightIndex[0]], time * (i+1));
+		ray r;
+		r.direction = glm::normalize(intersectionPoint - pointOnCube);
+		r.origin = pointOnCube;
+		int newgeomIndex;
+		glm::vec3 newIntersection, newNormal;
+		checkIntersect(geoms, numberOfGeoms, r, newIntersection, newNormal, newgeomIndex);
+		if(newgeomIndex == geomIndex)
+		{
+			color += materialColor;
+		}		
+	}
+	color /= sampleNum;
+	return color;
 }
 
 
+__host__ __device__ bool singleScatter(staticGeom* geoms, int numberOfGeoms, glm::vec3& intersectionPoint, glm::vec3 inNormal, glm::vec3 diffuseDir,
+									glm::vec3 refractedDir, material material, float ran, int geomIndex, Fresnel fresnel, float& singleScatterCoeff)
+{
+	float so = -log(ran) / material.reducedScatterCoefficient;
+
+	//printf(" what is so %f ", so);
+
+	glm::vec3 pSamp =  intersectionPoint + so * refractedDir;
+
+	ray r;
+	r.origin = pSamp;
+	r.direction = diffuseDir;
+
+	glm::vec3 newIntersectionPoint;
+	glm::vec3 newNormal;
+	int newGeomIndex;
+
+	if(checkIntersect(geoms, numberOfGeoms, r, newIntersectionPoint, newNormal, newGeomIndex))
+	{
+		if(newGeomIndex == geomIndex)
+		{
+			intersectionPoint = newIntersectionPoint;
+			float si = glm::length(intersectionPoint - pSamp);
+			float dotN = glm::dot(diffuseDir, inNormal);
+			float sp_i = abs(si * dotN)/ glm::sqrt(1 - pow((1.f/1.f/material.indexOfRefraction),2) * (1 - dotN * dotN));
+			singleScatterCoeff = exp(-sp_i * 0.7f) * exp(-so * material.reducedScatterCoefficient) * fresnel.transmissionCoefficient * material.hasScatter / 1.0f;
+			return true;
+		}
+	}
+	return false;
+}
+
+
+__host__ __device__ bool diffuseScatter(staticGeom* geoms, int numberOfGeoms, glm::vec3& intersectionPoint, glm::vec3 inNormal, material material,
+										glm::vec3 ran, int geomIndex, Fresnel fresnel, float &diffuseScatterCoeff)
+{
+	glm::vec3 dir = glm::normalize(calculateRandomDirectionInHemisphere(inNormal, ran.x, ran.y));
+	glm::vec3 pSample = intersectionPoint + 1/material.reducedScatterCoefficient * dir;
+	ray r;
+	r.origin = pSample;
+	r.direction = -inNormal;
+	glm::vec3 newIntersectionPoint;
+	glm::vec3 newNormal;
+	int newGeomIndex;
+	if(checkIntersect(geoms, numberOfGeoms, r, newIntersectionPoint, newNormal, newGeomIndex))
+	{
+		if(newGeomIndex == geomIndex)
+		{
+			float r = glm::distance(intersectionPoint, newIntersectionPoint);
+			float zr = 1.0f/material.reducedScatterCoefficient;
+			float zv = zr + 4 * (1.0f/(3.f * material.reducedScatterCoefficient) * (1.f + fresnel.reflectionCoefficient / 1.f - fresnel.reflectionCoefficient));
+			float dr = glm::sqrt(r*r + zr*zr);
+			float dv = glm::sqrt(r*r + zv*zv);
+			float tr = glm::sqrt(3 * material.absorptionCoefficient.x * material.reducedScatterCoefficient);
+			float tr_dr = tr * dr;
+			float tr_dv = tr * dv;
+
+			float rd = (tr_dr + 1.0) * glm::exp(-tr_dr)/* * zr *// (glm::pow(dr, 3.f))
+				+ (tr_dv + 1.0) * glm::exp(-tr_dv) * zv / (glm::pow(dv,3.0f));
+
+			diffuseScatterCoeff = ((glm::dot(dir ,inNormal) * rd) / (material.reducedScatterCoefficient * material.reducedScatterCoefficient * glm::exp(-material.reducedScatterCoefficient * r))) / 3 * PI;
+			intersectionPoint = newIntersectionPoint;
+			return true;
+		}
+	}
+	return false;
+}
+
+
+__host__ __device__ glm::vec3 textureMap(int geomIndex, staticGeom* geoms, glm::vec3 normal, int* BMPRed, int* BMPGreen, int* BMPBlue, int BMPWidth, int BMPHeight)
+{
+#ifdef TEXTUREMAP
+	if(geomIndex == TEXTUREMAP)
+		{
+			glm::vec3 realNorthPole = multiplyMV(geoms[geomIndex].transform, glm::vec4(0, 0.5, 0, 1.0));
+			glm::vec3 realEquator = multiplyMV(geoms[geomIndex].transform, glm::vec4(0.5, 0, 0, 1.0));
+			glm::vec3 realOrigin = multiplyMV(geoms[geomIndex].transform, glm::vec4(0,0,0,1));
+
+			glm::vec3 vn = glm::normalize(realNorthPole - realOrigin);
+			glm::vec3 ve = glm::normalize(realEquator - realOrigin);
+
+			float phi = std::acos(-glm::dot(vn, normal));
+			float v = phi / PI;
+
+			float theta = (std::acos(glm::dot(ve, normal) / sin(phi))) / (2 * PI);
+			float u;
+			if(glm::dot(glm::cross(vn, ve), normal) > 0)
+				u = theta;
+			else
+				u = 1 - theta;
+
+			int bi = v * BMPWidth;
+			int bj = u * BMPHeight;
+			int bIndex = bi * BMPHeight + bj;
+			
+			float red = BMPRed[bIndex] / 255.0f;
+			float green = BMPGreen[bIndex] / 255.0f;
+			float blue = BMPBlue[bIndex] / 255.0f;
+			return glm::vec3(red, green, blue);	
+		}
+#else
+	return glm::vec3(0,0,0);
+#endif
+}
+
+__host__ __device__ void pathTraceRecursive(ray r, int rayDepth, staticGeom* geoms, int numberOfGeoms, material* materials, glm::vec3& color, 
+											cameraData cam, float time, int x, int y, glm::vec3* lightPos, int lightIndex)
+{
+	if(rayDepth >= 3)
+	{
+		return;
+	}
+
+	glm::vec3 intersectionPoint, normal;
+	int geomIndex;
+	if(!checkIntersect(geoms, numberOfGeoms, r, intersectionPoint, normal, geomIndex))
+	{
+		color = glm::vec3(0,0,0);
+		return;
+	}
+
+	material currMaterial = materials[geoms[geomIndex].materialid];
+
+	glm::vec3 ran = generateRandomNumberFromThread(cam.resolution, time, x, y);
+	if(ran.z < 0.5f)
+	{
+		color = currMaterial.emittance * currMaterial.color;
+		return;
+	}
+	else{
+		ray newRay;
+		newRay.direction = calculateRandomDirectionInHemisphere(normal, ran.x, ran.y);
+		newRay.origin = intersectionPoint + 0.01f * newRay.direction;
+
+		float cosTheta = glm::dot(newRay.direction, normal);
+		float BDRF = 2.0f * 0.4f * cosTheta;
+		pathTraceRecursive(newRay, rayDepth + 1, geoms, numberOfGeoms, materials, color, cam, time, x, y, lightPos, lightIndex);
+		float diffuseTerm;
+		diffuseTerm = glm::dot(glm::normalize(lightPos[0] - intersectionPoint), normal);
+		diffuseTerm = max(diffuseTerm, 0.0f);
+
+		color = color * currMaterial.color/* * diffuseTerm*/;	
+	}
+	
+	return;
+}
+
+__host__ __device__ void pathTraceIterative(ray r, int rayDepth, staticGeom* geoms, int numberOfGeoms, material* materials, glm::vec3& color, 
+											cameraData cam, float time, int x, int y, int* lightIndex, int lightNum, int* BMPRed, int* BMPGreen, int* BMPBlue, int BMPWidth, int BMPHeight)
+{
+	glm::vec3 acol = glm::vec3(1,1,1);
+	color = glm::vec3(1,1,1);
+
+	for(int i = 0; i < MAXDEPTH; i++)
+	{
+		glm::vec3 intersectionPoint, normal;
+		int geomIndex;
+		if(!checkIntersect(geoms, numberOfGeoms, r, intersectionPoint, normal, geomIndex))
+		{
+			color = glm::vec3(0,0,0);
+			return;
+		}
+
+		material currMaterial = materials[geoms[geomIndex].materialid];		
+		glm::vec3 ran = generateRandomNumberFromThread(cam.resolution, time + (i+1), x, y);
+
+		for(int i = 0; i < lightNum; i++)
+		{
+			if(geomIndex == lightIndex[i])
+			{
+				color *= currMaterial.emittance * currMaterial.color;
+				return;
+			}
+		}
+
+		float cosTheta = glm::dot(r.direction, normal);
+
+		//For texture map
+#ifdef TEXTUREMAP
+		if(geomIndex == TEXTUREMAP)
+			currMaterial.color  = textureMap(geomIndex, geoms, normal, BMPRed, BMPGreen, BMPBlue, BMPWidth, BMPHeight);
+#endif
+
+		if(currMaterial.hasReflective > 0.0f && ran.z < currMaterial.hasReflective)//Reflective
+		{
+			glm::vec3 reflectionDirection = calculateReflectionDirection(normal, r.direction);			
+			r.origin = intersectionPoint + 0.01f * reflectionDirection;
+			r.direction = reflectionDirection;	
+			Fresnel fresnel;
+			float inOrOut = glm::dot(r.direction, normal);
+			glm::vec3 reflectedColor, refractedColor;
+			if(inOrOut < 0)
+				fresnel = calculateFresnel(normal, r.direction, 1.0f, currMaterial.indexOfRefraction, reflectedColor, refractedColor);
+			else
+				fresnel = calculateFresnel(-normal, r.direction, currMaterial.indexOfRefraction, 1.0f, reflectedColor, refractedColor);
+
+			color *= fresnel.reflectionCoefficient;
+			color *= currMaterial.color;
+			continue;
+		}
+		else if(currMaterial.hasRefractive> 0.0f)//Refractive
+		{
+
+			Fresnel fresnel;
+			float inOrOut = glm::dot(r.direction, normal);
+			glm::vec3 reflectedColor, refractedColor;
+			if(inOrOut < 0)
+				fresnel = calculateFresnel(normal, r.direction, 1.0f, currMaterial.indexOfRefraction, reflectedColor, refractedColor);
+			else
+				fresnel = calculateFresnel(-normal, r.direction, currMaterial.indexOfRefraction, 1.0f, reflectedColor, refractedColor);
+
+			float refractive = currMaterial.indexOfRefraction;
+			glm::vec3 refractedDirection;
+			
+			if(ran.z < .5f)
+			{
+				if(inOrOut < 0)
+					refractedDirection = calculateTransmissionDirection(normal, r.direction, 1.0, refractive);
+				else
+					refractedDirection = calculateTransmissionDirection(-normal, r.direction, refractive, 1.0); 					
+				r.origin = intersectionPoint + 0.01f * refractedDirection;
+				r.direction = refractedDirection;
+				color *= fresnel.transmissionCoefficient;
+				continue;
+			}
+			else
+			{
+				glm::vec3 reflectionDirection = calculateReflectionDirection(normal, r.direction);			
+				r.origin = intersectionPoint + 0.01f * reflectionDirection;
+				r.direction = reflectionDirection;	
+				color *= fresnel.reflectionCoefficient;
+				continue;
+			}
+		}
+		else if(currMaterial.hasScatter > 0.f && ran.z < currMaterial.hasScatter)//Subsurface Scattering
+		{
+			Fresnel fresnel;
+			float inOrOut = glm::dot(r.direction, normal);
+			glm::vec3 reflectedColor, refractedColor;
+			if(inOrOut < 0)
+				fresnel = calculateFresnel(normal, r.direction, 1.0f, currMaterial.indexOfRefraction, reflectedColor, refractedColor);
+			else
+				fresnel = calculateFresnel(-normal, r.direction, currMaterial.indexOfRefraction, 1.0f, reflectedColor, refractedColor);			
+			
+			glm::vec3 diffuseDirection;
+			float singleScatterCoeff;
+			float diffuseScatterCoeff;
+			if(/*singleScatter(geoms, numberOfGeoms, intersectionPoint, normal, diffuseDirection, refractedDirection, currMaterial, ran.x, geomIndex, fresnel, singleScatterCoeff)
+				&& */diffuseScatter(geoms, numberOfGeoms, intersectionPoint, normal, currMaterial, ran, geomIndex, fresnel, diffuseScatterCoeff))
+			{				
+				glm::vec3 lPos = getRandomPointOnCube(geoms[lightIndex[0]], ran.x);
+				diffuseDirection  = glm::normalize(lPos - intersectionPoint);
+				r.direction = glm::normalize(calculateRandomDirectionInHemisphere(normal, ran.x, ran.y));//diffuseDirection;
+				r.origin = intersectionPoint + 0.001f * r.direction;
+				color *= (/*singleScatterCoeff +*/ diffuseScatterCoeff);
+			}			
+		}
+		else//Diffuse
+		{
+			r.direction = glm::normalize(calculateRandomDirectionInHemisphere(normal, ran.x, ran.y));
+			r.origin = intersectionPoint + 0.001f * r.direction;
+		}
+		
+		/*float diffuseTerm;
+		diffuseTerm = glm::dot(glm::normalize(lightPos[0] - intersectionPoint), normal);
+		diffuseTerm = max(diffuseTerm, 0.0f);*/
+		//glm::vec3 icolor = indirectLight(geoms, numberOfGeoms, lightIndex, intersectionPoint, normal, geomIndex, time, currMaterial.color);
+
+		color *= currMaterial.color;// +  .5f * icolor;
+	}
+	color = glm::vec3(0,0,0);
+	return;
+}
+
+
+__global__ void pathtraceRay(glm::vec2 resolution, float time, cameraData cam, int rayDepth, glm::vec3* colors, staticGeom* geoms,
+							int numberOfGeoms, material* materials, int numberOfMaterials, int* lightIndex, int lightNum, int iteration, int* BMPRed, int* BMPGreen, int* BMPBlue, int BMPWidth, int BMPHeight)
+{
+	int x = (blockIdx.x * blockDim.x) + threadIdx.x;
+	int y = (blockIdx.y * blockDim.y) + threadIdx.y;
+	int index = x + (y * resolution.x);
+
+	if((x<=resolution.x && y<=resolution.y))
+	{
+		glm::vec3 ran = generateRandomNumberFromThread(cam.resolution, time, x, y);
+		//glm::vec3 camPosition = glm::vec3(cam.position.x + (float)(1 + ran.x)/1.0f, cam.position.y + (float)(1 + ran.y)/1.0f, cam.position.z + (float)(1 + ran.z)/1.0f);
+		glm::vec3 color;		
+		ray r = raycastFromCameraKernel(resolution, time, (float)(x + (float)(1 + ran.x)/1.0f), (float)(y + (float)(1.0f + ran.y)/ 1.0f), cam.position, cam.view, cam.up, cam.fov);
+		
+#ifdef DOF
+		float focalLength = DOF;
+		glm::vec3 aimedPosition = r.origin + focalLength * r.direction;	
+		glm::vec3 rand = generateRandomNumberFromThread(cam.resolution, time * (2), x, y);
+		glm::vec3 camPosition = glm::vec3(cam.position.x + (float)rand.x, cam.position.y + (float)rand.y, cam.position.z +  (float)rand.z);
+
+		ray jitterRay;
+		r.origin = camPosition;
+		r.direction = glm::normalize(aimedPosition - camPosition);
+#endif
+		pathTraceIterative(r, 0, geoms, numberOfGeoms, materials, color, cam, time, x, y, lightIndex, lightNum, BMPRed, BMPGreen, BMPBlue, BMPWidth, BMPHeight);
+		colors[index] += color;
+		
+	}
+}
+
+
+__host__ __device__ int colorCheck(glm::vec3 color)
+{
+	if(epsilonCheck(color.x, 0.0f) && epsilonCheck(color.y, 0.0f) && epsilonCheck(color.z, 0.0f))
+		return 0;
+	else
+		return 1;
+}
+
+__host__ __device__ int pathTraceIterativeSC(ray& r, staticGeom* geoms, int numberOfGeoms, material* materials, glm::vec3& color, 
+											cameraData cam, float time, int x, int y, int* lightIndex, int lightNum, int* BMPRed, int* BMPGreen, int* BMPBlue, int BMPWidth, int BMPHeight)
+{
+	color = glm::vec3(1,1,1);
+	
+	glm::vec3 intersectionPoint, normal;
+	int geomIndex;
+	if(!checkIntersect(geoms, numberOfGeoms, r, intersectionPoint, normal, geomIndex))
+	{		
+		return 0;
+	}
+
+	material currMaterial = materials[geoms[geomIndex].materialid];		
+	glm::vec3 ran = generateRandomNumberFromThread(cam.resolution, time, x, y);
+
+	for(int i = 0; i < lightNum; i++)
+	{
+		if(geomIndex == lightIndex[i])
+		{
+			color *= currMaterial.emittance * currMaterial.color;
+			return 2;
+		}
+	}
+
+	float cosTheta = glm::dot(r.direction, normal);
+
+	//For texture map
+#ifdef TEXTUREMAP
+		if(geomIndex == TEXTUREMAP)
+			currMaterial.color  = textureMap(geomIndex, geoms, normal, BMPRed, BMPGreen, BMPBlue, BMPWidth, BMPHeight);
+#endif
+
+	if(currMaterial.hasReflective > 0.0f && ran.z < currMaterial.hasReflective)//Reflective
+	{
+		glm::vec3 reflectionDirection = calculateReflectionDirection(normal, r.direction);			
+		r.origin = intersectionPoint + 0.01f * reflectionDirection;
+		r.direction = reflectionDirection;	
+
+		Fresnel fresnel;
+		float inOrOut = glm::dot(r.direction, normal);
+		glm::vec3 reflectedColor, refractedColor;
+		if(inOrOut < 0)
+			fresnel = calculateFresnel(normal, r.direction, 1.0f, currMaterial.indexOfRefraction, reflectedColor, refractedColor);
+		else
+			fresnel = calculateFresnel(-normal, r.direction, currMaterial.indexOfRefraction, 1.0f, reflectedColor, refractedColor);
+
+		color *= (currMaterial.color);
+		color *= fresnel.reflectionCoefficient;
+		return 1;
+	}
+	else if(currMaterial.hasRefractive> 0.0f)//Refractive
+	{
+
+		Fresnel fresnel;
+		float inOrOut = glm::dot(r.direction, normal);
+		glm::vec3 reflectedColor, refractedColor;
+		if(inOrOut < 0)
+			fresnel = calculateFresnel(normal, r.direction, 1.0f, currMaterial.indexOfRefraction, reflectedColor, refractedColor);
+		else
+			fresnel = calculateFresnel(-normal, r.direction, currMaterial.indexOfRefraction, 1.0f, reflectedColor, refractedColor);
+
+		float refractive = currMaterial.indexOfRefraction;
+		glm::vec3 refractedDirection;
+			
+		if(ran.z < .5f)
+		{
+			if(inOrOut < 0)
+				refractedDirection = calculateTransmissionDirection(normal, r.direction, 1.0, refractive);
+			else
+				refractedDirection = calculateTransmissionDirection(-normal, r.direction, refractive, 1.0); 					
+			r.origin = intersectionPoint + 0.01f * refractedDirection;
+			r.direction = refractedDirection;
+			color *= fresnel.transmissionCoefficient;
+			return 1;
+		}
+		else
+		{
+			glm::vec3 reflectionDirection = calculateReflectionDirection(normal, r.direction);			
+			r.origin = intersectionPoint + 0.01f * reflectionDirection;
+			r.direction = reflectionDirection;	
+			color *= fresnel.reflectionCoefficient;
+			return 1;
+		}
+	}
+	else if(currMaterial.hasScatter > 0.f && ran.z < currMaterial.hasScatter)//Subsurface Scattering
+		{
+			Fresnel fresnel;
+			float inOrOut = glm::dot(r.direction, normal);
+			glm::vec3 reflectedColor, refractedColor;
+			if(inOrOut < 0)
+				fresnel = calculateFresnel(normal, r.direction, 1.0f, currMaterial.indexOfRefraction, reflectedColor, refractedColor);
+			else
+				fresnel = calculateFresnel(-normal, r.direction, currMaterial.indexOfRefraction, 1.0f, reflectedColor, refractedColor);			
+			
+			glm::vec3 diffuseDirection;
+			float singleScatterCoeff;
+			float diffuseScatterCoeff;
+			if(/*singleScatter(geoms, numberOfGeoms, intersectionPoint, normal, diffuseDirection, refractedDirection, currMaterial, ran.x, geomIndex, fresnel, singleScatterCoeff)
+				&& */diffuseScatter(geoms, numberOfGeoms, intersectionPoint, normal, currMaterial, ran, geomIndex, fresnel, diffuseScatterCoeff))
+			{				
+				glm::vec3 lPos = getRandomPointOnCube(geoms[lightIndex[0]], ran.x);
+				diffuseDirection  = glm::normalize(lPos - intersectionPoint);
+				r.direction = glm::normalize(calculateRandomDirectionInHemisphere(normal, ran.x, ran.y));//diffuseDirection;
+				r.origin = intersectionPoint + 0.001f * r.direction;
+				color *= (/*singleScatterCoeff +*/ diffuseScatterCoeff);
+				return 1;
+			}	
+		}
+	else//Diffuse
+	{
+		r.direction = glm::normalize(calculateRandomDirectionInHemisphere(normal, ran.x, ran.y));
+		r.origin = intersectionPoint + 0.001f * r.direction;
+	}	
+	//glm::vec3 icolor = indirectLight(geoms, numberOfGeoms, lightIndex, intersectionPoint, normal, geomIndex, time, currMaterial.color);
+	color *= (currMaterial.color);
+	return 1;
+}
+
+
+__global__ void pathTraceSC(rayPixel* rayPool, int poolSize, cameraData cam,  float time, int rayDepth, glm::vec3* colors, staticGeom* geoms,
+							int numberOfGeoms, material* materials, int numberOfMaterials, int* lightIndex, int lightNum, int iteration, int* BMPRed, int* BMPGreen, int* BMPBlue, int BMPWidth, int BMPHeight)
+{
+	int x = (blockIdx.x * blockDim.x) + threadIdx.x;
+	int y = (blockIdx.y * blockDim.y) + threadIdx.y;
+	int index = x + poolSize * y;
+	int t = threadIdx.x;
+	if(index < poolSize){
+		glm::vec3 color;		
+		int isContinue = pathTraceIterativeSC(rayPool[index].r, geoms, numberOfGeoms, materials, color, cam, time, x, y, lightIndex, lightNum, BMPRed, BMPGreen, BMPBlue, BMPWidth, BMPHeight);
+
+		if(isContinue != 0)
+			colors[rayPool[index].index] *= color;
+		else
+			colors[rayPool[index].index] = glm::vec3(0,0,0);
+		if(isContinue == 0 || isContinue == 2)
+			rayPool[index].isDone = true;		
+	}
+}
+
+__global__ void initializeRayPool(rayPixel* rayPool, glm::vec2 resolution, glm::vec3* colors, cameraData cam, float time)
+{
+	int x = (blockIdx.x * blockDim.x) + threadIdx.x;
+	int y = (blockIdx.y * blockDim.y) + threadIdx.y;
+	int index = x + (y * resolution.x);
+
+	if((x<=resolution.x && y<=resolution.y))
+	{
+		rayPool[index].index = index;
+		rayPool[index].isDone = false;
+		rayPool[index].isFirst = true;
+		rayPool[index].x = x;
+		rayPool[index].y = y;
+		colors[index] = glm::vec3(1,1,1);
+
+		glm::vec3 ran = generateRandomNumberFromThread(cam.resolution, time, x, y);
+		rayPool[index].r = raycastFromCameraKernel(cam.resolution, time, (float)(rayPool[index].x + (float)(1 + ran.x)/1.0f), 
+				(float)(rayPool[index].y + (float)(1.0f + ran.y)/ 1.0f), cam.position, cam.view, cam.up, cam.fov);	
+#ifdef DOF
+		//for DOP
+		float focalLength = DOF;
+		glm::vec3 rand = generateRandomNumberFromThread(cam.resolution, time * 2, x, y);
+		glm::vec3 aimedPosition = rayPool[index].r.origin + focalLength * rayPool[index].r.direction;
+		glm::vec3 camPosition = glm::vec3(cam.position.x + (float)rand.x, cam.position.y + (float)rand.y, cam.position.z + (float)rand.z);
+		//ray jitterRay;
+		rayPool[index].r.origin = camPosition;
+		rayPool[index].r.direction = glm::normalize(aimedPosition - camPosition);
+#endif
+	}
+}
+
+__global__ void addPreColors(glm::vec3* precolors, glm::vec3* colors, glm::vec2 resolution)
+{
+	int x = (blockIdx.x * blockDim.x) + threadIdx.x;
+	int y = (blockIdx.y * blockDim.y) + threadIdx.y;
+	int index = x + (y * resolution.x);
+
+	if((x<=resolution.x && y<=resolution.y))
+	{
+		precolors[index] = colors[index];
+	}
+}
+
 //TODO: FINISH THIS FUNCTION
 // Wrapper for the __global__ call that sets up the kernel calls and does a ton of memory management
-void cudaRaytraceCore(uchar4* PBOpos, camera* renderCam, int frame, int iterations, material* materials, int numberOfMaterials, geom* geoms, int numberOfGeoms){
+void cudaRaytraceCore(uchar4* PBOpos, camera* renderCam, int frame, int iterations, material* materials, int numberOfMaterials, geom* geoms, int numberOfGeoms, glm::vec3* preColors,
+					  int *BMPRed, int *BMPGreen, int *BMPBlue, int BMPSize[2]){
   
-  int traceDepth = 1; //determines how many bounces the raytracer traces
+  cudaEvent_t start, stop;
+  cudaEventCreate(&start);
+  cudaEventCreate(&stop);
+  cudaEventRecord( start, 0);
+
 
+  int traceDepth = 1; //determines how many bounces the raytracer traces
   // set up crucial magic
-  int tileSize = 8;
+  int tileSize;	  
+  tileSize = TITLESIZE;
   dim3 threadsPerBlock(tileSize, tileSize);
   dim3 fullBlocksPerGrid((int)ceil(float(renderCam->resolution.x)/float(tileSize)), (int)ceil(float(renderCam->resolution.y)/float(tileSize)));
   
@@ -173,7 +836,20 @@ void cudaRaytraceCore(uchar4* PBOpos, camera* renderCam, int frame, int iteratio
   glm::vec3* cudaimage = NULL;
   cudaMalloc((void**)&cudaimage, (int)renderCam->resolution.x*(int)renderCam->resolution.y*sizeof(glm::vec3));
   cudaMemcpy( cudaimage, renderCam->image, (int)renderCam->resolution.x*(int)renderCam->resolution.y*sizeof(glm::vec3), cudaMemcpyHostToDevice);
+
+  glm::vec3* cudaPreImage = NULL;
+  cudaMalloc((void**)&cudaPreImage, (int)renderCam->resolution.x*(int)renderCam->resolution.y*sizeof(glm::vec3));
+  cudaMemcpy( cudaPreImage, preColors, (int)renderCam->resolution.x*(int)renderCam->resolution.y*sizeof(glm::vec3), cudaMemcpyHostToDevice);
   
+#ifdef MOTIONBLUR
+  float p1 = (((float)rand()/(float)RAND_MAX) + 1.0) / 2.0f;
+	
+  geoms[6].translations[0].x = p1;	
+  glm::mat4 transform = utilityCore::buildTransformationMatrix(geoms[6].translations[0], geoms[6].rotations[0], geoms[6].scales[0]);
+  geoms[6].transforms[0] = utilityCore::glmMat4ToCudaMat4(transform);
+  geoms[6].inverseTransforms[0] = utilityCore::glmMat4ToCudaMat4(glm::inverse(transform));
+#endif
+
   //package geometry and materials and sent to GPU
   staticGeom* geomList = new staticGeom[numberOfGeoms];
   for(int i=0; i<numberOfGeoms; i++){
@@ -185,16 +861,18 @@ void cudaRaytraceCore(uchar4* PBOpos, camera* renderCam, int frame, int iteratio
     newStaticGeom.scale = geoms[i].scales[frame];
     newStaticGeom.transform = geoms[i].transforms[frame];
     newStaticGeom.inverseTransform = geoms[i].inverseTransforms[frame];
+	newStaticGeom.tri = geoms[i].tri;
     geomList[i] = newStaticGeom;
   }
   
   staticGeom* cudageoms = NULL;
   cudaMalloc((void**)&cudageoms, numberOfGeoms*sizeof(staticGeom));
   cudaMemcpy( cudageoms, geomList, numberOfGeoms*sizeof(staticGeom), cudaMemcpyHostToDevice);
-  
-  material* cudamaterials = NULL;
-  cudaMalloc((void**)&cudamaterials, numberOfMaterials*sizeof(material));
-  cudaMemcpy( cudamaterials, materials, numberOfMaterials*sizeof(material), cudaMemcpyHostToDevice);
+
+  //passing material
+  material* cudamaterial = NULL;
+  cudaMalloc((void**)&cudamaterial, numberOfMaterials*sizeof(material));
+  cudaMemcpy( cudamaterial, materials, numberOfMaterials*sizeof(material), cudaMemcpyHostToDevice);
 
   //package camera
   cameraData cam;
@@ -204,24 +882,109 @@ void cudaRaytraceCore(uchar4* PBOpos, camera* renderCam, int frame, int iteratio
   cam.up = renderCam->ups[frame];
   cam.fov = renderCam->fov;
 
-  //kernel launches
-  for(int bounce = 1; bounce <= 1; ++bounce)
+  std::vector<int> vectorLightIndex;
+  for(int i = 0; i < numberOfGeoms; i++)
+  {
+	  if(geomList[i].materialid == 7 || geoms[i].materialid == 8)
+	  {
+		  vectorLightIndex.push_back(i);
+	  }
+  }
+
+  int lightNum = vectorLightIndex.size();
+  int *lightIndex = new int [vectorLightIndex.size()];
+  for(int i = 0; i < vectorLightIndex.size(); i++)
   {
-  raytraceRay<<<fullBlocksPerGrid, threadsPerBlock>>>(renderCam->resolution, (float)iterations, (float)bounce, cam, traceDepth, cudaimage, cudageoms, numberOfGeoms, cudamaterials, numberOfMaterials);
+	  lightIndex[i] = vectorLightIndex[i];
   }
-  sendImageToPBO<<<fullBlocksPerGrid, threadsPerBlock>>>(PBOpos, renderCam->resolution, cudaimage);
 
-  //retrieve image from GPU
-  cudaMemcpy( renderCam->image, cudaimage, (int)renderCam->resolution.x*(int)renderCam->resolution.y*sizeof(glm::vec3), cudaMemcpyDeviceToHost);
+  int* cudaLightIndex = NULL;
+  cudaMalloc((void**)&cudaLightIndex, lightNum*sizeof(int));
+  cudaMemcpy(cudaLightIndex, lightIndex, lightNum*sizeof(int), cudaMemcpyHostToDevice);
+
+  //size_t size;
+  //cudaDeviceSetLimit(cudaLimitStackSize, 90000*sizeof(float));
+  //cudaDeviceSetLimit(cudaLimitMallocHeapSize, 10000*sizeof(rayPixel));
+  //cudaDeviceGetLimit(&size, cudaLimitStackSize);
+
+
+  //Copy the texture color
+  int* cudaBMPRed = NULL;
+  cudaMalloc((void**)&cudaBMPRed, BMPSize[0]*BMPSize[1]*sizeof(int));
+  cudaMemcpy(cudaBMPRed, BMPRed, BMPSize[0]*BMPSize[1]*sizeof(int), cudaMemcpyHostToDevice);
+
+  int* cudaBMPGreen = NULL;
+  cudaMalloc((void**)&cudaBMPGreen, BMPSize[0]*BMPSize[1]*sizeof(int));
+  cudaMemcpy(cudaBMPGreen, BMPGreen, BMPSize[0]*BMPSize[1]*sizeof(int), cudaMemcpyHostToDevice);
+
+  int* cudaBMPBlue = NULL;
+  cudaMalloc((void**)&cudaBMPBlue, BMPSize[0]*BMPSize[1]*sizeof(int));
+  cudaMemcpy(cudaBMPBlue, BMPBlue, BMPSize[0]*BMPSize[1]*sizeof(int), cudaMemcpyHostToDevice);
 
+//kernel launches
+#ifdef STREAMCOMPACTION
+	addPreColors<<<fullBlocksPerGrid, threadsPerBlock>>>(cudaPreImage, cudaimage, renderCam->resolution);
+
+	//initialize ray pool
+	rayPixel* cudaRayPool = NULL;
+	cudaMalloc((void**)&cudaRayPool, renderCam->resolution.x * renderCam->resolution.y *sizeof(rayPixel));
+	initializeRayPool<<<fullBlocksPerGrid, threadsPerBlock>>>(cudaRayPool, renderCam->resolution, cudaimage, cam, (float)iterations);
+	int count = 0;
+	
+
+	int poolSize = renderCam->resolution.x * renderCam->resolution.y;
+	tileSize = TITLESIZESC;
+	threadsPerBlock = dim3(tileSize, 1);
+
+	while(poolSize > 0 && count < MAXDEPTH)
+	{
+		fullBlocksPerGrid = dim3((int)ceil(float(poolSize)/float(tileSize)), 1);
+
+		pathTraceSC<<<fullBlocksPerGrid, threadsPerBlock>>>(cudaRayPool, poolSize, cam, (float)(iterations*(count +1)), traceDepth, cudaimage, cudageoms,
+			numberOfGeoms, cudamaterial, numberOfMaterials, cudaLightIndex, lightNum, renderCam->iterations, cudaBMPRed, cudaBMPGreen, cudaBMPBlue, BMPSize[0], BMPSize[1]);
+
+		count++;
+		thrust::device_ptr<rayPixel> iteratorStart(cudaRayPool);
+		thrust::device_ptr<rayPixel> iteratorEnd = iteratorStart + poolSize;
+		iteratorEnd = thrust::remove_if(iteratorStart, iteratorEnd, is_done());
+		poolSize = (int)(iteratorEnd - iteratorStart);
+	}
+	threadsPerBlock = dim3(TITLESIZE, TITLESIZE);
+	fullBlocksPerGrid = dim3((int)ceil(float(renderCam->resolution.x)/float(8)), (int)ceil(float(renderCam->resolution.y)/float(8)));
+	addImageColor<<<fullBlocksPerGrid, threadsPerBlock>>>(cudaimage, cudaPreImage, renderCam->resolution); 
+	//sendImageToPBOSC<<<fullBlocksPerGrid, threadsPerBlock>>>(PBOpos, cudaimage, (float)iterations, renderCam->resolution.x * renderCam->resolution.y, cudaPreImage);
+	sendImageToPBO<<<fullBlocksPerGrid, threadsPerBlock>>>(PBOpos, renderCam->resolution, cudaimage, (float)iterations);
+#else
+	pathtraceRay<<<fullBlocksPerGrid, threadsPerBlock>>>(renderCam->resolution, (float)iterations, cam, traceDepth, cudaimage, cudageoms, 
+		numberOfGeoms, cudamaterial, numberOfMaterials, cudaLightIndex, lightNum, renderCam->iterations, cudaBMPRed, cudaBMPGreen, cudaBMPBlue, BMPSize[0], BMPSize[1]);
+	sendImageToPBO<<<fullBlocksPerGrid, threadsPerBlock>>>(PBOpos, renderCam->resolution, cudaimage, (float)iterations);
+#endif
+	 
+  
+   cudaMemcpy( renderCam->image, cudaimage, (int)renderCam->resolution.x*(int)renderCam->resolution.y*sizeof(glm::vec3), cudaMemcpyDeviceToHost);
   //free up stuff, or else we'll leak memory like a madman
   cudaFree( cudaimage );
   cudaFree( cudageoms );
-  cudaFree( cudamaterials );
-  delete [] geomList;
-
-  // make certain the kernel has completed 
+  cudaFree( cudamaterial);
+  cudaFree( cudaLightIndex );
+  cudaFree( cudaBMPRed );
+  cudaFree( cudaBMPGreen );
+  cudaFree( cudaBMPBlue );
+#ifdef STREAMCOMPACTION 
+  cudaFree( cudaRayPool );
+#endif
+  cudaFree( cudaPreImage );
+  delete geomList;  
+  
+  // make certain the kernel has completed
   cudaThreadSynchronize();
 
+  cudaEventRecord( stop, 0);
+  cudaEventSynchronize( stop );
+
+  float seconds = 0.0f;
+  cudaEventElapsedTime( &seconds, start, stop);
+  
+  printf("time %f \n", seconds);
   checkCUDAError("Kernel failed!");
 }
diff --git a/src/raytraceKernel.h b/src/raytraceKernel.h
index 5fcf5a3..8641c20 100755
--- a/src/raytraceKernel.h
+++ b/src/raytraceKernel.h
@@ -14,12 +14,23 @@
 #include <cmath>
 #include "sceneStructs.h"
 
+
+#define LIGHT_NUM 1
+#define ANTI_NUM 1
+//#define STREAMCOMPACTION 1
+#define TITLESIZESC 64//this title size is for stream compaction
+#define TITLESIZE 8
+//#define MOTIONBLUR 1
+//#define DOF 16
+#define MAXDEPTH 7
+//#define TEXTUREMAP 6 //Right now only support sphere, the number mean which object you want to texture it
+
 #if CUDA_VERSION >= 5000
     #include <helper_math.h>
 #else
     #include <cutil_math.h>
 #endif
 
-void cudaRaytraceCore(uchar4* pos, camera* renderCam, int frame, int iterations, material* materials, int numberOfMaterials, geom* geoms, int numberOfGeoms);
+void cudaRaytraceCore(uchar4* pos, camera* renderCam, int frame, int iterations, material* materials, int numberOfMaterials, geom* geoms, int numberOfGeoms, glm::vec3* preColors, int *BMPRed, int *BMPGreen, int *BMPBlue, int BMPSize[2]);
 
 #endif
diff --git a/src/scene.cpp b/src/scene.cpp
index 415d627..93081e4 100755
--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -7,6 +7,7 @@
 #include <iostream>
 #include "scene.h"
 #include <cstring>
+#include "tiny_obj_loader.h"
 
 scene::scene(string filename){
 	cout << "Reading scene from " << filename << " ..." << endl;
@@ -36,13 +37,14 @@ scene::scene(string filename){
 
 int scene::loadObject(string objectid){
     int id = atoi(objectid.c_str());
-    if(id!=objects.size()){
-        cout << "ERROR: OBJECT ID does not match expected number of objects" << endl;
-        return -1;
-    }else{
+    //if(id!=objects.size()){
+      //  cout << "ERROR: OBJECT ID does not match expected number of objects" << endl;
+        //return -1;
+    //}else{
         cout << "Loading Object " << id << "..." << endl;
         geom newObject;
         string line;
+		std::vector<triangle> triangles;
         
         //load object type 
         utilityCore::safeGetline(fp_in,line);
@@ -64,6 +66,48 @@ int scene::loadObject(string objectid){
                     cout << "Creating new mesh..." << endl;
                     cout << "Reading mesh from " << line << "... " << endl;
 		    		newObject.type = MESH;
+
+					//for obj loader
+					std::vector<tinyobj::shape_t> shapes;
+
+					std::string err = tinyobj::LoadObj(shapes, objline.c_str());
+
+					if (!err.empty()) {
+						std::cerr << err << std::endl;
+						exit(1);
+					}
+
+					for(int i = 0; i < shapes[0].mesh.indices.size(); i+=3)
+					{
+						int i1 = shapes[0].mesh.indices[i];
+						int i2 = shapes[0].mesh.indices[i+1];
+						int i3 = shapes[0].mesh.indices[i+2];
+
+						glm::vec3 p1 = glm::vec3(shapes[0].mesh.positions[3 * i1 + 0], 
+							shapes[0].mesh.positions[3 * i1 + 1], 
+							shapes[0].mesh.positions[3 * i1 + 2]);
+						
+						glm::vec3 p2 = glm::vec3(shapes[0].mesh.positions[3 * i2 + 0], 
+							shapes[0].mesh.positions[3 * i2 + 1], 
+							shapes[0].mesh.positions[3 * i2 + 2]);
+
+						glm::vec3 p3 = glm::vec3(shapes[0].mesh.positions[3 * i3 + 0], 
+							shapes[0].mesh.positions[3 * i3 + 1], 
+							shapes[0].mesh.positions[3 * i3 + 2]);
+
+						 glm::vec3 normal = glm::normalize(glm::cross(
+							glm::vec3(p2) - glm::vec3(p1),
+							glm::vec3(p3) - glm::vec3(p1)));
+						//normals[ia] = normals[ib] = normals[ic] = normal;
+						triangle tri;
+						tri.normal = normal;
+						tri.p1 =  p1;
+						tri.p2 =  p2;
+						tri.p3 =  p3;
+						triangles.push_back(tri);
+					}
+
+					//load_obj(objline.c_str(), vertices, normals, elements, triangles);
                 }else{
                     cout << "ERROR: " << line << " is not a valid object type!" << endl;
                     return -1;
@@ -126,12 +170,24 @@ int scene::loadObject(string objectid){
 		newObject.transforms[i] = utilityCore::glmMat4ToCudaMat4(transform);
 		newObject.inverseTransforms[i] = utilityCore::glmMat4ToCudaMat4(glm::inverse(transform));
 	}
-	
+	triangle triTemp;
+	triTemp.normal = triTemp.p1 = triTemp.p2 = triTemp.p3 = glm::vec3(0,0,0);
+	newObject.tri = triTemp;
+	if(newObject.type != MESH)
         objects.push_back(newObject);
+	else
+	{
+		for(int i = 0; i < triangles.size(); i++)
+		{
+			geom triObject = newObject;
+			triObject.tri = triangles[i];
+			objects.push_back(triObject);
+		}
+	}
 	
 	cout << "Loaded " << frameCount << " frames for Object " << objectid << "!" << endl;
         return 1;
-    }
+    //}
 }
 
 int scene::loadCamera(){
@@ -217,6 +273,7 @@ int scene::loadCamera(){
 	
 	cout << "Loaded " << frameCount << " frames for camera!" << endl;
 	return 1;
+
 }
 
 int scene::loadMaterial(string materialid){
diff --git a/src/sceneStructs.h b/src/sceneStructs.h
index b10f1cf..4996f3e 100755
--- a/src/sceneStructs.h
+++ b/src/sceneStructs.h
@@ -18,6 +18,13 @@ struct ray {
 	glm::vec3 direction;
 };
 
+struct triangle{
+	glm::vec3 p1;
+	glm::vec3 p2;
+	glm::vec3 p3;
+	glm::vec3 normal;
+};
+
 struct geom {
 	enum GEOMTYPE type;
 	int materialid;
@@ -27,6 +34,7 @@ struct geom {
 	glm::vec3* scales;
 	cudaMat4* transforms;
 	cudaMat4* inverseTransforms;
+	triangle tri;
 };
 
 struct staticGeom {
@@ -37,6 +45,7 @@ struct staticGeom {
 	glm::vec3 scale;
 	cudaMat4 transform;
 	cudaMat4 inverseTransform;
+	triangle tri;
 };
 
 struct cameraData {
diff --git a/src/tiny_obj_loader.cc b/src/tiny_obj_loader.cc
new file mode 100644
index 0000000..0ddca38
--- /dev/null
+++ b/src/tiny_obj_loader.cc
@@ -0,0 +1,663 @@
+//
+// Copyright 2012-2013, Syoyo Fujita.
+// 
+// Licensed under 2-clause BSD liecense.
+//
+
+//
+// version 0.9.6: Support Ni(index of refraction) mtl parameter.
+//                Parse transmittance material parameter correctly.
+// version 0.9.5: Parse multiple group name.
+//                Add support of specifying the base path to load material file.
+// version 0.9.4: Initial suupport of group tag(g)
+// version 0.9.3: Fix parsing triple 'x/y/z'
+// version 0.9.2: Add more .mtl load support
+// version 0.9.1: Add initial .mtl load support
+// version 0.9.0: Initial
+//
+
+
+#include <cstdlib>
+#include <cstring>
+#include <cassert>
+
+#include <string>
+#include <vector>
+#include <map>
+#include <fstream>
+#include <sstream>
+
+#include "tiny_obj_loader.h"
+
+namespace tinyobj {
+
+struct vertex_index {
+  int v_idx, vt_idx, vn_idx;
+  vertex_index() {};
+  vertex_index(int idx) : v_idx(idx), vt_idx(idx), vn_idx(idx) {};
+  vertex_index(int vidx, int vtidx, int vnidx) : v_idx(vidx), vt_idx(vtidx), vn_idx(vnidx) {};
+
+};
+// for std::map
+static inline bool operator<(const vertex_index& a, const vertex_index& b)
+{
+  if (a.v_idx != b.v_idx) return (a.v_idx < b.v_idx);
+  if (a.vn_idx != b.vn_idx) return (a.vn_idx < b.vn_idx);
+  if (a.vt_idx != b.vt_idx) return (a.vt_idx < b.vt_idx);
+
+  return false;
+}
+
+struct obj_shape {
+  std::vector<float> v;
+  std::vector<float> vn;
+  std::vector<float> vt;
+};
+
+static inline bool isSpace(const char c) {
+  return (c == ' ') || (c == '\t');
+}
+
+static inline bool isNewLine(const char c) {
+  return (c == '\r') || (c == '\n') || (c == '\0');
+}
+
+// Make index zero-base, and also support relative index. 
+static inline int fixIndex(int idx, int n)
+{
+  int i;
+
+  if (idx > 0) {
+    i = idx - 1;
+  } else if (idx == 0) {
+    i = 0;
+  } else { // negative value = relative
+    i = n + idx;
+  }
+  return i;
+}
+
+static inline std::string parseString(const char*& token)
+{
+  std::string s;
+  int b = strspn(token, " \t");
+  int e = strcspn(token, " \t\r");
+  s = std::string(&token[b], &token[e]);
+
+  token += (e - b);
+  return s;
+}
+
+static inline float parseFloat(const char*& token)
+{
+  token += strspn(token, " \t");
+  float f = (float)atof(token);
+  token += strcspn(token, " \t\r");
+  return f;
+}
+
+static inline void parseFloat2(
+  float& x, float& y,
+  const char*& token)
+{
+  x = parseFloat(token);
+  y = parseFloat(token);
+}
+
+static inline void parseFloat3(
+  float& x, float& y, float& z,
+  const char*& token)
+{
+  x = parseFloat(token);
+  y = parseFloat(token);
+  z = parseFloat(token);
+}
+
+
+// Parse triples: i, i/j/k, i//k, i/j
+static vertex_index parseTriple(
+  const char* &token,
+  int vsize,
+  int vnsize,
+  int vtsize)
+{
+    vertex_index vi(-1);
+
+    vi.v_idx = fixIndex(atoi(token), vsize);
+    token += strcspn(token, "/ \t\r");
+    if (token[0] != '/') {
+      return vi;
+    }
+    token++;
+
+    // i//k
+    if (token[0] == '/') {
+      token++;
+      vi.vn_idx = fixIndex(atoi(token), vnsize);
+      token += strcspn(token, "/ \t\r");
+      return vi;
+    }
+    
+    // i/j/k or i/j
+    vi.vt_idx = fixIndex(atoi(token), vtsize);
+    token += strcspn(token, "/ \t\r");
+    if (token[0] != '/') {
+      return vi;
+    }
+
+    // i/j/k
+    token++;  // skip '/'
+    vi.vn_idx = fixIndex(atoi(token), vnsize);
+    token += strcspn(token, "/ \t\r");
+    return vi; 
+}
+
+static unsigned int
+updateVertex(
+  std::map<vertex_index, unsigned int>& vertexCache,
+  std::vector<float>& positions,
+  std::vector<float>& normals,
+  std::vector<float>& texcoords,
+  const std::vector<float>& in_positions,
+  const std::vector<float>& in_normals,
+  const std::vector<float>& in_texcoords,
+  const vertex_index& i)
+{
+  const std::map<vertex_index, unsigned int>::iterator it = vertexCache.find(i);
+
+  if (it != vertexCache.end()) {
+    // found cache
+    return it->second;
+  }
+
+  assert(in_positions.size() > (3*i.v_idx+2));
+
+  positions.push_back(in_positions[3*i.v_idx+0]);
+  positions.push_back(in_positions[3*i.v_idx+1]);
+  positions.push_back(in_positions[3*i.v_idx+2]);
+
+  if (i.vn_idx >= 0) {
+    normals.push_back(in_normals[3*i.vn_idx+0]);
+    normals.push_back(in_normals[3*i.vn_idx+1]);
+    normals.push_back(in_normals[3*i.vn_idx+2]);
+  }
+
+  if (i.vt_idx >= 0) {
+    texcoords.push_back(in_texcoords[2*i.vt_idx+0]);
+    texcoords.push_back(in_texcoords[2*i.vt_idx+1]);
+  }
+
+  unsigned int idx = positions.size() / 3 - 1;
+  vertexCache[i] = idx;
+
+  return idx;
+}
+
+static bool
+exportFaceGroupToShape(
+  shape_t& shape,
+  const std::vector<float> in_positions,
+  const std::vector<float> in_normals,
+  const std::vector<float> in_texcoords,
+  const std::vector<std::vector<vertex_index> >& faceGroup,
+  const material_t material,
+  const std::string name)
+{
+  if (faceGroup.empty()) {
+    return false;
+  }
+
+  // Flattened version of vertex data
+  std::vector<float> positions;
+  std::vector<float> normals;
+  std::vector<float> texcoords;
+  std::map<vertex_index, unsigned int> vertexCache;
+  std::vector<unsigned int> indices;
+
+  // Flatten vertices and indices
+  for (size_t i = 0; i < faceGroup.size(); i++) {
+    const std::vector<vertex_index>& face = faceGroup[i];
+
+    vertex_index i0 = face[0];
+    vertex_index i1(-1);
+    vertex_index i2 = face[1];
+
+    size_t npolys = face.size();
+
+    // Polygon -> triangle fan conversion
+    for (size_t k = 2; k < npolys; k++) {
+      i1 = i2;
+      i2 = face[k];
+
+      unsigned int v0 = updateVertex(vertexCache, positions, normals, texcoords, in_positions, in_normals, in_texcoords, i0);
+      unsigned int v1 = updateVertex(vertexCache, positions, normals, texcoords, in_positions, in_normals, in_texcoords, i1);
+      unsigned int v2 = updateVertex(vertexCache, positions, normals, texcoords, in_positions, in_normals, in_texcoords, i2);
+
+      indices.push_back(v0);
+      indices.push_back(v1);
+      indices.push_back(v2);
+    }
+
+  }
+
+  //
+  // Construct shape.
+  //
+  shape.name = name;
+  shape.mesh.positions.swap(positions);
+  shape.mesh.normals.swap(normals);
+  shape.mesh.texcoords.swap(texcoords);
+  shape.mesh.indices.swap(indices);
+
+  shape.material = material;
+
+  return true;
+
+}
+
+  
+void InitMaterial(material_t& material) {
+  material.name = "";
+  material.ambient_texname = "";
+  material.diffuse_texname = "";
+  material.specular_texname = "";
+  material.normal_texname = "";
+  for (int i = 0; i < 3; i ++) {
+    material.ambient[i] = 0.f;
+    material.diffuse[i] = 0.f;
+    material.specular[i] = 0.f;
+    material.transmittance[i] = 0.f;
+    material.emission[i] = 0.f;
+  }
+  material.shininess = 1.f;
+}
+
+std::string LoadMtl (
+  std::map<std::string, material_t>& material_map,
+  const char* filename,
+  const char* mtl_basepath)
+{
+  material_map.clear();
+  std::stringstream err;
+
+  std::string filepath;
+
+  if (mtl_basepath) {
+    filepath = std::string(mtl_basepath) + std::string(filename);
+  } else {
+    filepath = std::string(filename);
+  }
+
+  std::ifstream ifs(filepath.c_str());
+  if (!ifs) {
+    err << "Cannot open file [" << filepath << "]" << std::endl;
+    return err.str();
+  }
+
+  material_t material;
+  
+  int maxchars = 8192;  // Alloc enough size.
+  std::vector<char> buf(maxchars);  // Alloc enough size.
+  while (ifs.peek() != -1) {
+    ifs.getline(&buf[0], maxchars);
+
+    std::string linebuf(&buf[0]);
+
+    // Trim newline '\r\n' or '\r'
+    if (linebuf.size() > 0) {
+      if (linebuf[linebuf.size()-1] == '\n') linebuf.erase(linebuf.size()-1);
+    }
+    if (linebuf.size() > 0) {
+      if (linebuf[linebuf.size()-1] == '\n') linebuf.erase(linebuf.size()-1);
+    }
+
+    // Skip if empty line.
+    if (linebuf.empty()) {
+      continue;
+    }
+
+    // Skip leading space.
+    const char* token = linebuf.c_str();
+    token += strspn(token, " \t");
+
+    assert(token);
+    if (token[0] == '\0') continue; // empty line
+    
+    if (token[0] == '#') continue;  // comment line
+    
+    // new mtl
+    if ((0 == strncmp(token, "newmtl", 6)) && isSpace((token[6]))) {
+      // flush previous material.
+      material_map.insert(std::pair<std::string, material_t>(material.name, material));
+
+      // initial temporary material
+      InitMaterial(material);
+
+      // set new mtl name
+      char namebuf[4096];
+      token += 7;
+      sscanf(token, "%s", namebuf);
+      material.name = namebuf;
+      continue;
+    }
+    
+    // ambient
+    if (token[0] == 'K' && token[1] == 'a' && isSpace((token[2]))) {
+      token += 2;
+      float r, g, b;
+      parseFloat3(r, g, b, token);
+      material.ambient[0] = r;
+      material.ambient[1] = g;
+      material.ambient[2] = b;
+      continue;
+    }
+    
+    // diffuse
+    if (token[0] == 'K' && token[1] == 'd' && isSpace((token[2]))) {
+      token += 2;
+      float r, g, b;
+      parseFloat3(r, g, b, token);
+      material.diffuse[0] = r;
+      material.diffuse[1] = g;
+      material.diffuse[2] = b;
+      continue;
+    }
+    
+    // specular
+    if (token[0] == 'K' && token[1] == 's' && isSpace((token[2]))) {
+      token += 2;
+      float r, g, b;
+      parseFloat3(r, g, b, token);
+      material.specular[0] = r;
+      material.specular[1] = g;
+      material.specular[2] = b;
+      continue;
+    }
+    
+    // transmittance
+    if (token[0] == 'K' && token[1] == 't' && isSpace((token[2]))) {
+      token += 2;
+      float r, g, b;
+      parseFloat3(r, g, b, token);
+      material.transmittance[0] = r;
+      material.transmittance[1] = g;
+      material.transmittance[2] = b;
+      continue;
+    }
+
+    // ior(index of refraction)
+    if (token[0] == 'N' && token[1] == 'i' && isSpace((token[2]))) {
+      token += 2;
+      material.ior = parseFloat(token);
+      continue;
+    }
+
+    // emission
+    if(token[0] == 'K' && token[1] == 'e' && isSpace(token[2])) {
+      token += 2;
+      float r, g, b;
+      parseFloat3(r, g, b, token);
+      material.emission[0] = r;
+      material.emission[1] = g;
+      material.emission[2] = b;
+      continue;
+    }
+
+    // shininess
+    if(token[0] == 'N' && token[1] == 's' && isSpace(token[2])) {
+      token += 2;
+      material.shininess = parseFloat(token);
+      continue;
+    }
+
+    // ambient texture
+    if ((0 == strncmp(token, "map_Ka", 6)) && isSpace(token[6])) {
+      token += 7;
+      material.ambient_texname = token;
+      continue;
+    }
+
+    // diffuse texture
+    if ((0 == strncmp(token, "map_Kd", 6)) && isSpace(token[6])) {
+      token += 7;
+      material.diffuse_texname = token;
+      continue;
+    }
+
+    // specular texture
+    if ((0 == strncmp(token, "map_Ks", 6)) && isSpace(token[6])) {
+      token += 7;
+      material.specular_texname = token;
+      continue;
+    }
+
+    // normal texture
+    if ((0 == strncmp(token, "map_Ns", 6)) && isSpace(token[6])) {
+      token += 7;
+      material.normal_texname = token;
+      continue;
+    }
+
+    // unknown parameter
+    const char* _space = strchr(token, ' ');
+    if(!_space) {
+      _space = strchr(token, '\t');
+    }
+    if(_space) {
+      int len = _space - token;
+      std::string key(token, len);
+      std::string value = _space + 1;
+      material.unknown_parameter.insert(std::pair<std::string, std::string>(key, value));
+    }
+  }
+  // flush last material.
+  material_map.insert(std::pair<std::string, material_t>(material.name, material));
+
+  return err.str();
+}
+
+std::string
+LoadObj(
+  std::vector<shape_t>& shapes,
+  const char* filename,
+  const char* mtl_basepath)
+{
+
+  shapes.clear();
+
+  std::stringstream err;
+
+  std::ifstream ifs(filename);
+  if (!ifs) {
+    err << "Cannot open file [" << filename << "]" << std::endl;
+    return err.str();
+  }
+
+  std::vector<float> v;
+  std::vector<float> vn;
+  std::vector<float> vt;
+  std::vector<std::vector<vertex_index> > faceGroup;
+  std::string name;
+
+  // material
+  std::map<std::string, material_t> material_map;
+  material_t material;
+
+  int maxchars = 8192;  // Alloc enough size.
+  std::vector<char> buf(maxchars);  // Alloc enough size.
+  while (ifs.peek() != -1) {
+    ifs.getline(&buf[0], maxchars);
+
+    std::string linebuf(&buf[0]);
+
+    // Trim newline '\r\n' or '\r'
+    if (linebuf.size() > 0) {
+      if (linebuf[linebuf.size()-1] == '\n') linebuf.erase(linebuf.size()-1);
+    }
+    if (linebuf.size() > 0) {
+      if (linebuf[linebuf.size()-1] == '\n') linebuf.erase(linebuf.size()-1);
+    }
+
+    // Skip if empty line.
+    if (linebuf.empty()) {
+      continue;
+    }
+
+    // Skip leading space.
+    const char* token = linebuf.c_str();
+    token += strspn(token, " \t");
+
+    assert(token);
+    if (token[0] == '\0') continue; // empty line
+    
+    if (token[0] == '#') continue;  // comment line
+
+    // vertex
+    if (token[0] == 'v' && isSpace((token[1]))) {
+      token += 2;
+      float x, y, z;
+      parseFloat3(x, y, z, token);
+      v.push_back(x);
+      v.push_back(y);
+      v.push_back(z);
+      continue;
+    }
+
+    // normal
+    if (token[0] == 'v' && token[1] == 'n' && isSpace((token[2]))) {
+      token += 3;
+      float x, y, z;
+      parseFloat3(x, y, z, token);
+      vn.push_back(x);
+      vn.push_back(y);
+      vn.push_back(z);
+      continue;
+    }
+
+    // texcoord
+    if (token[0] == 'v' && token[1] == 't' && isSpace((token[2]))) {
+      token += 3;
+      float x, y;
+      parseFloat2(x, y, token);
+      vt.push_back(x);
+      vt.push_back(y);
+      continue;
+    }
+
+    // face
+    if (token[0] == 'f' && isSpace((token[1]))) {
+      token += 2;
+      token += strspn(token, " \t");
+
+      std::vector<vertex_index> face;
+      while (!isNewLine(token[0])) {
+        vertex_index vi = parseTriple(token, v.size() / 3, vn.size() / 3, vt.size() / 2);
+        face.push_back(vi);
+        int n = strspn(token, " \t\r");
+        token += n;
+      }
+
+      faceGroup.push_back(face);
+      
+      continue;
+    }
+
+    // use mtl
+    if ((0 == strncmp(token, "usemtl", 6)) && isSpace((token[6]))) {
+
+      char namebuf[4096];
+      token += 7;
+      sscanf(token, "%s", namebuf);
+
+      if (material_map.find(namebuf) != material_map.end()) {
+        material = material_map[namebuf];
+      } else {
+        // { error!! material not found }
+        InitMaterial(material);
+      }
+      continue;
+
+    }
+
+    // load mtl
+    if ((0 == strncmp(token, "mtllib", 6)) && isSpace((token[6]))) {
+      char namebuf[4096];
+      token += 7;
+      sscanf(token, "%s", namebuf);
+
+      std::string err_mtl = LoadMtl(material_map, namebuf, mtl_basepath);
+      if (!err_mtl.empty()) {
+        faceGroup.clear();  // for safety
+        return err_mtl;
+      }
+      continue;
+    }
+
+    // group name
+    if (token[0] == 'g' && isSpace((token[1]))) {
+
+      // flush previous face group.
+      shape_t shape;
+      bool ret = exportFaceGroupToShape(shape, v, vn, vt, faceGroup, material, name);
+      if (ret) {
+        shapes.push_back(shape);
+      }
+
+      faceGroup.clear();
+
+      std::vector<std::string> names;
+      while (!isNewLine(token[0])) {
+        std::string str = parseString(token);
+        names.push_back(str);
+        token += strspn(token, " \t\r"); // skip tag
+      }
+
+      assert(names.size() > 0);
+
+      // names[0] must be 'g', so skipt 0th element.
+      if (names.size() > 1) {
+        name = names[1];
+      } else {
+        name = "";
+      }
+
+      continue;
+    }
+
+    // object name
+    if (token[0] == 'o' && isSpace((token[1]))) {
+
+      // flush previous face group.
+      shape_t shape;
+      bool ret = exportFaceGroupToShape(shape, v, vn, vt, faceGroup, material, name);
+      if (ret) {
+        shapes.push_back(shape);
+      }
+
+      faceGroup.clear();
+
+      // @todo { multiple object name? }
+      char namebuf[4096];
+      token += 2;
+      sscanf(token, "%s", namebuf);
+      name = std::string(namebuf);
+
+
+      continue;
+    }
+
+    // Ignore unknown command.
+  }
+
+  shape_t shape;
+  bool ret = exportFaceGroupToShape(shape, v, vn, vt, faceGroup, material, name);
+  if (ret) {
+    shapes.push_back(shape);
+  }
+  faceGroup.clear();  // for safety
+
+  return err.str();
+}
+
+
+};
\ No newline at end of file
diff --git a/src/tiny_obj_loader.h b/src/tiny_obj_loader.h
new file mode 100644
index 0000000..62ebe6e
--- /dev/null
+++ b/src/tiny_obj_loader.h
@@ -0,0 +1,61 @@
+//
+// Copyright 2012-2013, Syoyo Fujita.
+//
+// Licensed under 2-clause BSD liecense.
+//
+#ifndef _TINY_OBJ_LOADER_H
+#define _TINY_OBJ_LOADER_H
+
+#include <string>
+#include <vector>
+#include <map>
+
+namespace tinyobj {
+
+typedef struct
+{
+    std::string name;
+
+    float ambient[3];
+    float diffuse[3];
+    float specular[3];
+    float transmittance[3];
+    float emission[3];
+    float shininess;
+    float ior;                // index of refraction
+
+    std::string ambient_texname;
+    std::string diffuse_texname;
+    std::string specular_texname;
+    std::string normal_texname;
+    std::map<std::string, std::string> unknown_parameter;
+} material_t;
+
+typedef struct
+{
+    std::vector<float>          positions;
+    std::vector<float>          normals;
+    std::vector<float>          texcoords;
+    std::vector<unsigned int>   indices;
+} mesh_t;
+
+typedef struct
+{
+    std::string  name;
+    material_t   material;
+    mesh_t       mesh;
+} shape_t;
+
+/// Loads .obj from a file.
+/// 'shapes' will be filled with parsed shape data
+/// The function returns error string.
+/// Returns empty string when loading .obj success.
+/// 'mtl_basepath' is optional, and used for base path for .mtl file.
+std::string LoadObj(
+    std::vector<shape_t>& shapes,   // [output]
+    const char* filename,
+    const char* mtl_basepath = NULL);
+
+};
+
+#endif  // _TINY_OBJ_LOADER_H
\ No newline at end of file
diff --git a/src/utilities.h b/src/utilities.h
index 15b6495..69350ba 100755
--- a/src/utilities.h
+++ b/src/utilities.h
@@ -17,13 +17,15 @@
 #include <vector>
 #include "cudaMat4.h"
 
-const float PI                          =3.1415926535897932384626422832795028841971;
-const float TWO_PI                      =6.2831853071795864769252867665590057683943;
-const float SQRT_OF_ONE_THIRD           =0.5773502691896257645091487805019574556476;
-const float E                           =2.7182818284590452353602874713526624977572;
-const float EPSILON                     =.000000001;
-const float ZERO_ABSORPTION_EPSILON     =0.00001;
-const float RAY_BIAS_AMOUNT             =0.0002;
+#define PI                          3.1415926535897932384626422832795028841971
+#define TWO_PI                      6.2831853071795864769252867665590057683943
+#define SQRT_OF_ONE_THIRD           0.5773502691896257645091487805019574556476
+#define E                           2.7182818284590452353602874713526624977572
+#define EPSILON                     .000000001
+#define ZERO_ABSORPTION_EPSILON     0.00001
+#define RAY_BIAS_AMOUNT             0.0002
+
+static float realSample = 0;
 
 namespace utilityCore {
     extern float clamp(float f, float min, float max);
diff --git a/test.bmp b/test.bmp
new file mode 100644
index 0000000..3f4bbd5
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diff --git a/test.jpg b/test.jpg
new file mode 100644
index 0000000..cf643bc
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