root / trunk / libraries / libRaster / src-test / org / gvsig / raster / buffer / TDSIntEcw.java @ 11074
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.raster.buffer; |
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import junit.framework.TestCase; |
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import org.gvsig.raster.RasterLibrary; |
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import org.gvsig.raster.buffer.BufferFactory; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.RasterDataset; |
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import org.gvsig.raster.dataset.RasterDriverException; |
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import org.gvsig.raster.dataset.io.EcwDriver; |
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import org.gvsig.raster.dataset.io.GdalDriver; |
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/**
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* Este test prueba el acceso a datos a traves de un DataSource sin resampleo
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* para un ECW con coordenadas pixel.
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*
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* Lee el raster completo y comprueba que los datos leidos sean correctos
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* comparando los valores de las cuatro esquinas y algunos valores dentro de la imagen.
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* Despu?s hace selecciona un ?rea dentro de la imagen de 2x2 y compara que los valores
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* leidos sean correctos.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class TDSIntEcw extends TestCase{ |
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private String baseDir = "./test-images/"; |
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private String path = baseDir + "miniraster30x30.jp2"; |
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private RasterDataset f = null; |
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private BufferFactory ds = null; |
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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("TDSIntEcw running..."); |
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//System.out.println("TestDataSource (Pixel Coord) [Ecw] running...");
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} |
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static{
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RasterLibrary.wakeUp(); |
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} |
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public void testStack(){ |
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int[] drawableBands = {0, 1, 2}; |
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try {
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f = RasterDataset.open(null, path);
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} catch (NotSupportedExtensionException e) {
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return;
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} catch (RasterDriverException e) {
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return;
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} |
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ds = new BufferFactory(f);
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ds.addDrawableBands(drawableBands); |
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ds.setAreaOfInterest(0, 0, 30, 30); |
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dataTest1(); |
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//print();
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ds.setAreaOfInterest(10, 10, 2, 2); |
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dataTest2(); |
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//print();
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} |
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private void dataTest2(){ |
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IBuffer raster = ds.getRasterBuf(); |
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//Upper Left
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assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 123); |
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assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 147); |
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assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 111); |
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//Upper Right
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assertEquals((int)(raster.getElemByte(0, 1, 0) & 0xff), 117); |
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assertEquals((int)(raster.getElemByte(0, 1, 1) & 0xff), 148); |
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assertEquals((int)(raster.getElemByte(0, 1, 2) & 0xff), 91); |
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//Lower Left
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assertEquals((int)(raster.getElemByte(1, 0, 0) & 0xff), 187); |
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assertEquals((int)(raster.getElemByte(1, 0, 1) & 0xff), 190); |
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assertEquals((int)(raster.getElemByte(1, 0, 2) & 0xff), 173); |
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//Lower Right
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assertEquals((int)(raster.getElemByte(1, 1, 0) & 0xff), 214); |
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assertEquals((int)(raster.getElemByte(1, 1, 1) & 0xff), 213); |
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assertEquals((int)(raster.getElemByte(1, 1, 2) & 0xff), 211); |
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} |
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private void dataTest1(){ |
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IBuffer raster = ds.getRasterBuf(); |
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//Upper Left
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assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 43); |
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assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 53); |
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assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 26); |
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//Upper Right
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assertEquals((int)(raster.getElemByte(0, 29, 0) & 0xff), 255); |
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assertEquals((int)(raster.getElemByte(0, 29, 1) & 0xff), 252); |
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assertEquals((int)(raster.getElemByte(0, 29, 2) & 0xff), 246); |
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//Lower Left
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assertEquals((int)(raster.getElemByte(29, 0, 0) & 0xff), 175); |
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assertEquals((int)(raster.getElemByte(29, 0, 1) & 0xff), 175); |
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assertEquals((int)(raster.getElemByte(29, 0, 2) & 0xff), 147); |
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//Lower Right
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assertEquals((int)(raster.getElemByte(29, 29, 0) & 0xff), 126); |
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assertEquals((int)(raster.getElemByte(29, 29, 1) & 0xff), 134); |
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assertEquals((int)(raster.getElemByte(29, 29, 2) & 0xff), 111); |
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assertEquals((int)(raster.getElemByte(6, 6, 0) & 0xff), 61); |
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assertEquals((int)(raster.getElemByte(6, 6, 1) & 0xff), 84); |
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assertEquals((int)(raster.getElemByte(6, 6, 2) & 0xff), 64); |
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assertEquals((int)(raster.getElemByte(6, 23, 0) & 0xff), 168); |
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assertEquals((int)(raster.getElemByte(6, 23, 1) & 0xff), 171); |
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assertEquals((int)(raster.getElemByte(6, 23, 2) & 0xff), 164); |
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assertEquals((int)(raster.getElemByte(23, 6, 0) & 0xff), 46); |
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assertEquals((int)(raster.getElemByte(23, 6, 1) & 0xff), 64); |
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assertEquals((int)(raster.getElemByte(23, 6, 2) & 0xff), 26); |
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assertEquals((int)(raster.getElemByte(23, 23, 0) & 0xff), 54); |
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assertEquals((int)(raster.getElemByte(23, 23, 1) & 0xff), 57); |
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assertEquals((int)(raster.getElemByte(23, 23, 2) & 0xff), 36); |
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assertEquals((int)(raster.getElemByte(11, 13, 0) & 0xff), 203); |
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assertEquals((int)(raster.getElemByte(11, 13, 1) & 0xff), 182); |
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assertEquals((int)(raster.getElemByte(11, 13, 2) & 0xff), 181); |
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assertEquals((int)(raster.getElemByte(22, 21, 0) & 0xff), 71); |
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assertEquals((int)(raster.getElemByte(22, 21, 1) & 0xff), 97); |
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assertEquals((int)(raster.getElemByte(22, 21, 2) & 0xff), 62); |
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} |
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/**
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* Imprime todos los pixels de la fuente de datos en RGB
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*/
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private void print(){ |
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IBuffer raster = ds.getRasterBuf(); |
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for(int line = 0; line < raster.getHeight(); line++){ |
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for(int col = 0; col < raster.getWidth(); col++) |
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System.out.print("(" + (int)(raster.getElemByte(line, col, 0) & 0xff) + " " + (int)(raster.getElemByte(line, col, 1) & 0xff) + " " + (int)(raster.getElemByte(line, col, 2) & 0xff) + ")"); |
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System.out.println();
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} |
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} |
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} |