gvsig-raster / org.gvsig.raster.tools / trunk / templates / examples / org.gvsig.raster.roimask / org.gvsig.raster.roimask.algorithm / src / main / java / org / gvsig / raster / roimask / algorithm / ROIMaskProcess.java @ 1843
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package org.gvsig.raster.roimask.algorithm; |
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import java.util.HashMap; |
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import javax.swing.SwingUtilities; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.grid.ROI; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
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import org.gvsig.i18n.Messages; |
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import org.gvsig.raster.tools.algorithm.base.RasterBaseAlgorithmLibrary; |
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import org.gvsig.raster.tools.algorithm.base.process.RasterProcess; |
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/**
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* Process
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*/
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public class ROIMaskProcess extends RasterProcess { |
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public static String RASTER_STORE1 = "RasterStore1"; |
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public static String BUFFER = "Buffer"; |
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public static String PATH = "Path"; |
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public static String FILENAME = "FileName"; |
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public static String TIME = "Time"; |
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public static String ROIS = "Rois"; |
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public static String INVERSE = "Inverse"; |
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public static String ALPHA = "Alpha"; |
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public static String ALPHA_BAND = "AlphaBand"; |
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public static String NODATA = "NoData"; |
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public static String EXPORT = "Export"; |
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public static String TEST_EXTENT = "TestExtent"; |
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public static String TEST_WIDTH = "TestWidth"; |
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public static String TEST_HEIGHT = "TestHeight"; |
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private RasterDataStore store = null; |
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private String filename = null; |
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private long millis = 0; |
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private Extent testExtent = null; |
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private int testWidth = 0; |
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private int testHeight = 0; |
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private ROI[] rois = null; |
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private boolean inverse = false; |
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private boolean export = true; |
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private int alpha = 0; |
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private NoData nodata = null; |
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/**
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* This buffer is just to test
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*/
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private Buffer bufferForTest = null; |
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private Buffer alphaBand = null; |
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public static void registerParameters() { |
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RASTER_STORE1 = RasterBaseAlgorithmLibrary.registerInputParameter(RASTER_STORE1, RasterDataStore.class); |
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PATH = RasterBaseAlgorithmLibrary.registerInputParameter(PATH, String.class);
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TEST_EXTENT = RasterBaseAlgorithmLibrary.registerInputParameter(TEST_EXTENT, Extent.class); |
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TEST_WIDTH = RasterBaseAlgorithmLibrary.registerInputParameter(TEST_WIDTH, Integer.class);
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TEST_HEIGHT = RasterBaseAlgorithmLibrary.registerInputParameter(TEST_HEIGHT, Integer.class);
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ROIS = RasterBaseAlgorithmLibrary.registerInputParameter(ROIS, ROI[].class);
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INVERSE = RasterBaseAlgorithmLibrary.registerInputParameter(INVERSE, Boolean.class);
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ALPHA = RasterBaseAlgorithmLibrary.registerInputParameter(ALPHA, Integer.class);
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NODATA = RasterBaseAlgorithmLibrary.registerInputParameter(NODATA, NoData.class); |
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EXPORT = RasterBaseAlgorithmLibrary.registerInputParameter(EXPORT, Boolean.class);
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FILENAME = RasterBaseAlgorithmLibrary.registerOutputParameter(FILENAME, String.class);
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TIME = RasterBaseAlgorithmLibrary.registerOutputParameter(TIME, Long.class);
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ALPHA_BAND = RasterBaseAlgorithmLibrary.registerOutputParameter(ALPHA_BAND, Buffer.class);
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BUFFER = RasterBaseAlgorithmLibrary.registerOutputParameter(BUFFER, Buffer.class);
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} |
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public void init() { |
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store = getParam(RASTER_STORE1) != null ? (RasterDataStore)getParam(RASTER_STORE1) : null; |
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filename = getStringParam(PATH); |
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rois = getParam(ROIS) != null ? (ROI[])getParam(ROIS) : null; |
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inverse = getBooleanParam(INVERSE); |
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export = getBooleanParam(EXPORT);
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alpha = getIntParam(ALPHA); |
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testExtent = getParam(TEST_EXTENT) != null ? (Extent)getParam(TEST_EXTENT) : null; |
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testWidth = getIntParam(TEST_WIDTH); |
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testHeight = getIntParam(TEST_HEIGHT); |
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nodata = getParam(NODATA) != null ? (NoData)getParam(NODATA) : null; |
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} |
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public void process() throws ProcessInterruptedException { |
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long t1 = new java.util.Date().getTime(); |
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insertLineLog(Messages.getText("..."));
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try {
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if (store == null) |
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throw new ROIMaskException("..."); |
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Extent windowExtent = testExtent != null ? testExtent : store.getExtent();
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int w = testExtent != null ? testWidth : (int)store.getWidth(); |
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int h = testExtent != null ? testHeight : (int)store.getHeight(); |
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RasterQuery query = RasterLocator.getManager().createQuery(); |
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query.setAllDrawableBands(); |
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query.setAreaOfInterest(windowExtent, w, h); |
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Buffer sourceBuffer = null; |
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try {
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sourceBuffer = store.query(query); |
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sourceBuffer.setDataExtent(windowExtent.toRectangle2D()); |
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} catch (RasterDriverException e) {
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throw new ROIMaskException(""); |
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} catch (InvalidSetViewException e) {
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throw new ROIMaskException(""); |
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} |
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bufferForTest = sourceBuffer; |
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double cellsize = testExtent != null ? testExtent.width() / testWidth : store.getCellSize(); |
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if(rois != null && rois.length > 0) { |
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if(store.getDataType()[0] == Buffer.TYPE_BYTE) { |
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processRGB(windowExtent, w, h, cellsize); |
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} else {
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bufferForTest = processMDT(windowExtent, sourceBuffer, cellsize); |
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} |
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} |
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if(export) { |
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super.exportRaster(filename,
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bufferForTest, |
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alphaBand, |
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store.getCellSize(), |
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windowExtent.getULX(), |
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windowExtent.getULY()); |
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} |
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long t2 = new java.util.Date().getTime(); |
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millis = t2 - t1; |
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SwingUtilities.invokeLater(new Runnable() { |
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public void run() { |
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if (externalActions != null) { |
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externalActions.end(getResult()); |
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} |
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} |
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}); |
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} catch (ROIMaskException e) {
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if (incrementableTask != null) |
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incrementableTask.processFinalize(); |
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messageBoxError("...", this, e); |
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} |
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} |
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private void processRGB(Extent extent, int w, int h, double cellsize) throws ProcessInterruptedException { |
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alphaBand = RasterLocator.getManager().createBuffer( |
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store.getDataType()[0], w, h, 4, true); |
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for (int row = 0; row < h; row++) { |
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for (int col = 0; col < w; col++) { |
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double wcX = extent.minX() + ((((double) col) * extent.width()) / ((double) w)); |
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double wcY = extent.minY() + ((((double) (h - (row))) * extent.height()) / ((double) h)); |
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boolean insideRoi = false; |
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for (int i = 0; i < rois.length; i++) { |
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if (((ROI) rois[i]).isInside(wcX, wcY, cellsize, cellsize)) {
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if (inverse)
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alphaBand.setElem(row, col, 0, (byte) 255); |
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else
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alphaBand.setElem(row, col, 0, (byte) (255 - alpha)); |
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insideRoi = true;
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} |
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} |
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if(!insideRoi) {
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if (inverse)
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alphaBand.setElem(row, col, 0, (byte) (255 - alpha)); |
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else
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alphaBand.setElem(row, col, 0, (byte) 255); |
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} |
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} |
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updatePercent(row, h); |
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} |
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} |
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private Buffer processMDT(Extent extent, Buffer inputBuffer, double cellsize) throws ProcessInterruptedException { |
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int w = inputBuffer.getWidth();
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int h = inputBuffer.getHeight();
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Buffer outputBuffer = RasterLocator.getManager().createBuffer(
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inputBuffer.getDataType(), w, h, inputBuffer.getBandCount(), true);
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for (int row = 0; row < h; row++) { |
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for (int col = 0; col < w; col++) { |
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for (int nband = 0; nband < inputBuffer.getBandCount(); nband++) { |
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double wcX = extent.minX() + ((((double) col) * extent.width()) / ((double) w)); |
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double wcY = extent.minY() + ((((double) (h - (row))) * extent.height()) / ((double) h)); |
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boolean insideRoi = false; |
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for (int i = 0; i < rois.length; i++) { |
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if (((ROI) rois[i]).isInside(wcX, wcY, cellsize, cellsize)) {
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if (inverse)
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writePixel(inputBuffer, outputBuffer, col, row, nband); |
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else
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writeNoData(outputBuffer, col, row, nband); |
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insideRoi = true;
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} |
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} |
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if(!insideRoi) {
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if (inverse)
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writeNoData(outputBuffer, col, row, nband); |
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else {
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writePixel(inputBuffer, outputBuffer, col, row, nband); |
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} |
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} |
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} |
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} |
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updatePercent(row, h); |
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} |
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return outputBuffer;
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} |
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private void writePixel(Buffer inputBuffer, Buffer outputBuffer, int col, int row, int nband) { |
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switch (inputBuffer.getDataType()) {
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case Buffer.TYPE_BYTE: |
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outputBuffer.setElem(row, col, nband, inputBuffer.getElemByte(row, col, nband)); |
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break;
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case Buffer.TYPE_SHORT: |
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outputBuffer.setElem(row, col, nband, inputBuffer.getElemShort(row, col, nband)); |
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break;
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case Buffer.TYPE_INT: |
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outputBuffer.setElem(row, col, nband, inputBuffer.getElemInt(row, col, nband)); |
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break;
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case Buffer.TYPE_FLOAT: |
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outputBuffer.setElem(row, col, nband, inputBuffer.getElemFloat(row, col, nband)); |
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break;
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case Buffer.TYPE_DOUBLE: |
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outputBuffer.setElem(row, col, nband, inputBuffer.getElemDouble(row, col, nband)); |
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break;
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} |
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} |
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private void writeNoData(Buffer outputBuffer, int col, int row, int nband) { |
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switch (outputBuffer.getDataType()) {
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case Buffer.TYPE_BYTE: |
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outputBuffer.setElem(row, col, nband, nodata.getValue().byteValue()); |
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break;
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case Buffer.TYPE_SHORT: |
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outputBuffer.setElem(row, col, nband, nodata.getValue().shortValue()); |
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break;
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case Buffer.TYPE_INT: |
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outputBuffer.setElem(row, col, nband, nodata.getValue().intValue()); |
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break;
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case Buffer.TYPE_FLOAT: |
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outputBuffer.setElem(row, col, nband, nodata.getValue().floatValue()); |
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break;
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case Buffer.TYPE_DOUBLE: |
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outputBuffer.setElem(row, col, nband, nodata.getValue().doubleValue()); |
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break;
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} |
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} |
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public Object getResult() { |
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HashMap<String, Object> map = new HashMap<String, Object>(); |
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map.put(FILENAME, filename); |
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map.put(TIME, new Long(millis)); |
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map.put(BUFFER, bufferForTest); |
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map.put(ALPHA_BAND, alphaBand); |
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return map;
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} |
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public int getPercent() { |
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return percent;
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} |
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public String getTitle() { |
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return Messages.getText("..."); |
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} |
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} |