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Merge pull request #223 from aaime/classbreaks
Backport ClassBreaks operation from GeoTools #222
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| <?xml version="1.0"?> | ||
| <project | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" | ||
| xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <parent> | ||
| <groupId>it.geosolutions.jaiext</groupId> | ||
| <artifactId>jaiext</artifactId> | ||
| <version>1.1-SNAPSHOT</version> | ||
| </parent> | ||
| <groupId>it.geosolutions.jaiext.classbreaks</groupId> | ||
| <artifactId>jt-classbreaks</artifactId> | ||
| <version>1.1-SNAPSHOT</version> | ||
| <name>jt-classbreaks</name> | ||
| <url>http://maven.apache.org</url> | ||
| <properties> | ||
| <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> | ||
| </properties> | ||
| <dependencies> | ||
| <dependency> | ||
| <groupId>it.geosolutions.jaiext.utilities</groupId> | ||
| <artifactId>jt-utilities</artifactId> | ||
| <version>${project.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>it.geosolutions.jaiext.utilities</groupId> | ||
| <artifactId>jt-utilities</artifactId> | ||
| <version>${project.version}</version> | ||
| <type>test-jar</type> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| </dependencies> | ||
| </project> |
177 changes: 177 additions & 0 deletions
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jt-classbreaks/src/main/java/it/geosolutions/jaiext/classbreaks/ClassBreaksDescriptor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| /* JAI-Ext - OpenSource Java Advanced Image Extensions Library | ||
| * http://www.geo-solutions.it/ | ||
| * Copyright 2018 GeoSolutions | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| /* | ||
| * GeoTools - The Open Source Java GIS Toolkit | ||
| * http://geotools.org | ||
| * | ||
| * (C) 2016, Open Source Geospatial Foundation (OSGeo) | ||
| * | ||
| * This library is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public | ||
| * License as published by the Free Software Foundation; | ||
| * version 2.1 of the License. | ||
| * | ||
| * This library is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| */ | ||
| package it.geosolutions.jaiext.classbreaks; | ||
|
|
||
| import java.awt.image.RenderedImage; | ||
|
|
||
| import javax.media.jai.OperationDescriptorImpl; | ||
| import javax.media.jai.ROI; | ||
| import javax.media.jai.registry.RenderedRegistryMode; | ||
|
|
||
| /** Operation descriptor for the ClassBreaks operation. */ | ||
| public class ClassBreaksDescriptor extends OperationDescriptorImpl { | ||
|
|
||
| public static final String CLASSIFICATION_PROPERTY = "Classification"; | ||
|
|
||
| public static final String NAME = "ClassBreaks"; | ||
|
|
||
| static final int NUM_CLASSES_ARG = 0; | ||
| static final int METHOD_ARG = 1; | ||
| static final int EXTREMA_ARG = 2; | ||
| static final int ROI_ARG = 3; | ||
| static final int BAND_ARG = 4; | ||
| static final int X_PERIOD_ARG = 5; | ||
| static final int Y_PERIOD_ARG = 6; | ||
| static final int NODATA_ARG = 7; | ||
| static final int HISTOGRAM_ARG = 8; | ||
| static final int HISTOGRAM_BINS = 9; | ||
|
|
||
| static String[] paramNames = | ||
| new String[] { | ||
| "numClasses", | ||
| "method", | ||
| "extrema", | ||
| "roi", | ||
| "band", | ||
| "xPeriod", | ||
| "yPeriod", | ||
| "noData", | ||
| "histogram", | ||
| "histogramBins" | ||
| }; | ||
|
|
||
| static final Class<?>[] paramClasses = { | ||
| Integer.class, | ||
| ClassificationMethod.class, | ||
| Double[][].class, | ||
| ROI.class, | ||
| Integer[].class, | ||
| Integer.class, | ||
| Integer.class, | ||
| Double.class, | ||
| Boolean.class, | ||
| Integer.class | ||
| }; | ||
|
|
||
| static final Object[] paramDefaults = { | ||
| 10, | ||
| ClassificationMethod.EQUAL_INTERVAL, | ||
| null, | ||
| (ROI) null, | ||
| new Integer[] {Integer.valueOf(0)}, | ||
| 1, | ||
| 1, | ||
| null, | ||
| false, | ||
| 256 | ||
| }; | ||
|
|
||
| public ClassBreaksDescriptor() { | ||
| super( | ||
| new String[][] { | ||
| {"GlobalName", NAME}, | ||
| {"LocalName", NAME}, | ||
| {"Vendor", "it.geosolutions.jaiext"}, | ||
| { | ||
| "Description", | ||
| "Classifies image values using equal interval method and calculates " | ||
| + "statistics for each class" | ||
| }, | ||
| {"DocURL", ""}, | ||
| {"Version", "1.0"}, | ||
| { | ||
| String.format("arg%dDesc", NUM_CLASSES_ARG), | ||
| String.format("%s - number of classes or bins", paramNames[NUM_CLASSES_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", METHOD_ARG), | ||
| String.format("%s - classification method", paramNames[METHOD_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", EXTREMA_ARG), | ||
| String.format("%s - range of values to include", paramNames[EXTREMA_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", ROI_ARG), | ||
| String.format( | ||
| "%s (default %s) - region-of-interest constrainting the values to be counted", | ||
| paramNames[ROI_ARG], paramDefaults[ROI_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", BAND_ARG), | ||
| String.format( | ||
| "%s (default %s) - bands of the image to process", | ||
| paramNames[BAND_ARG], paramDefaults[BAND_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", X_PERIOD_ARG), | ||
| String.format( | ||
| "%s (default %s) - horizontal sampling rate", | ||
| paramNames[X_PERIOD_ARG], paramDefaults[X_PERIOD_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", Y_PERIOD_ARG), | ||
| String.format( | ||
| "%s (default %s) - vertical sampling rate", | ||
| paramNames[Y_PERIOD_ARG], paramDefaults[Y_PERIOD_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", NODATA_ARG), | ||
| String.format( | ||
| "%s (default %s) - value to treat as NODATA", | ||
| paramNames[NODATA_ARG], paramDefaults[NODATA_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", HISTOGRAM_ARG), | ||
| String.format( | ||
| "%s (default %s) - if true, a histogram based computation will be used", | ||
| paramNames[HISTOGRAM_ARG], paramDefaults[HISTOGRAM_ARG]) | ||
| }, | ||
| { | ||
| String.format("arg%dDesc", HISTOGRAM_BINS), | ||
| String.format( | ||
| "%s (default %s) - if true, number of histogram bins to be used", | ||
| paramNames[HISTOGRAM_BINS], paramDefaults[HISTOGRAM_BINS]) | ||
| }, | ||
| }, | ||
| new String[] {RenderedRegistryMode.MODE_NAME}, | ||
| new String[] {"source0"}, | ||
| new Class<?>[][] {{RenderedImage.class}}, | ||
| paramNames, | ||
| paramClasses, | ||
| paramDefaults, | ||
| null // valid values (none defined) | ||
| ); | ||
| } | ||
| } |
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