max voxels

Author: bison--

README.md

@@ -65,6 +65,7 @@ In **dcm2save.py** are 3 special configuration variables:
     minVal = 130
     maxVal = 134
     materialSwitch = 15
+    maxVoxels = -1
 
 **minVal** and **maxVal** are the raw gray values from the image, every value in between would be displayed later.  
 You **HAVE** to play with those values to get an accurate result (later there will be a GUI for that....).  
@@ -73,7 +74,10 @@ You **HAVE** to play with those values to get an accurate result (later there wi
 You may have to play with it too.  
 The maximum value is 99.
 
-All 3 have command line switches too.
+**maxVoxels** is the maximum number of voxels to be processed.
+If you have a large dataset, you can limit the number of voxels to be processed.
+
+All have command line switches too.
 
 ```bash
 python dcm2save.py tmp/ savefile=bison_brain.sav minVal=10 maxVal=255 materialSwitch=10

dcm2save.py

@@ -10,6 +10,7 @@
 minVal = 130  #12850
 maxVal = 136  #13000 #13366
 materialSwitch = 15
+maxVoxels = -1
 
 # max len of material index we can use
 materialMatrixL = 99 #len(materialMatrix)
@@ -62,6 +63,8 @@ def getInt(name):
 		materialSwitch = int(arg.replace("materialSwitch=", ""))
 	elif arg.startswith("heightMap="):
 		heightMap = bool(int(arg.replace("heightMap=", "")))
+	elif arg.startswith("maxVoxels="):
+		maxVoxels = int(arg.replace("maxVoxels=", ""))
 
 if heightMap:
 	sourceFiles.append(sys.argv[1])
@@ -376,6 +379,8 @@ def getFromPnm():
 			countX += 1
 		countZ += 1
 		print("current voxel:", countVoxel)
+		if maxVoxels != -1 and countVoxel >= maxVoxels:
+			break
 	#if countZ > 10:
 		#	break
 		#finalStr += "\n"

engine.py

@@ -184,9 +184,11 @@ def _initialize(self):
 
 	def force_show(self):
 		# dirty hack to force rendering
+		counter = 0
 		for position, data in self.world.items():
 			if self.exposed(position):
 				self._show_block(position, data)
+				counter += 1
 
 	def hit_test(self, position, vector, max_distance=8):
 		""" Line of sight search from current position. If a block is