gvsig-raster / org.gvsig.raster.cache / trunk / org.gvsig.raster.cache / org.gvsig.raster.cache.lib.impl / deprecated / buffer / test / impl / rocache / TestAssignBand.java @ 1965
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package org.gvsig.raster.cache.buffer.impl.rocache; |
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import java.io.IOException; |
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import junit.framework.TestCase; |
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import org.gvsig.jgdal.GdalException; |
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import org.gvsig.raster.cache.buffer.Band; |
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import org.gvsig.raster.cache.buffer.Buffer; |
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import org.gvsig.raster.cache.buffer.BufferDataSource; |
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import org.gvsig.raster.cache.buffer.exception.BandNotCompatibleException; |
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import org.gvsig.raster.cache.buffer.impl.io.BufferDataSourceImpl; |
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import org.gvsig.raster.cache.buffer.impl.io.GdalRead; |
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import org.gvsig.raster.cache.buffer.impl.io.GdalWrite; |
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/**
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* Assign by reference a band in a Buffer
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class TestAssignBand extends TestCase { |
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private String rasterIn = "./src/test/resources/image/001m09_1_0.tif"; |
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private String rasterOut = "/tmp/out-4bands.tif"; |
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public void start() { |
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this.setUp();
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this.testStack();
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} |
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public void setUp() { |
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System.err.println("ROCache TestAssignBand running..."); |
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} |
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public void testStack() { |
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long t1 = System.currentTimeMillis(); |
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GdalRead input1 = null;
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GdalWrite out = null;
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try {
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//Read input data
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input1 = new GdalRead(rasterIn);
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BufferDataSource ds = null;
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try {
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ds = new BufferDataSourceImpl(rasterIn);
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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Buffer buf1 = new RasterReadOnlyBuffer(ds); |
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BufferDataSource ds1 = null;
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try {
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ds1 = new BufferDataSourceImpl(rasterIn);
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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Buffer buf2 = new RasterReadOnlyBuffer(ds1); |
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Band rb = buf2.getBand(2);
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try {
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buf1.assignBand(1, rb);
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} catch (BandNotCompatibleException e) {
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e.printStackTrace(); |
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} |
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//Write output file
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out = new GdalWrite(rasterOut, 4, input1.getDataType(), input1.getWidth(), input1.getHeight(), GdalWrite.COLOR_INTERP_GRAY); |
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out.writeBands(buf1.getBands()); |
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out.close(); |
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Band band1 = buf1.getBand(1);
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Band band2 = buf1.getBand(3);
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for (int i = 0; i < band1.getHeight(); i++) { |
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for (int j = 0; j < band1.getWidth(); j++) { |
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byte b1 = band1.getElemByte(i, j);
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byte b2 = band2.getElemByte(i, j);
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assertEquals(b1, b2); |
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} |
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} |
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buf1.free(); |
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buf2.free(); |
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} catch (GdalException e) {
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e.printStackTrace(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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long t2 = System.currentTimeMillis(); |
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System.out.println("Tiempo ROCache TestAssignBand: " + (t2 - t1) + " milisegundos"); |
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} |
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} |