svn-gvsig-desktop / trunk / libraries / libRaster / src-test / org / gvsig / raster / buffer / TDSDoubleAdjustToExtentBufferGdal.java @ 27361
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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.dataset.IBuffer; |
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import org.gvsig.raster.dataset.InvalidSetViewException; |
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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.io.RasterDriverException; |
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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 raster leido con Gdal 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 TDSDoubleAdjustToExtentBufferGdal extends TestCase{ |
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private String baseDir = "./test-images/"; |
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private String path = baseDir + "miniRaster25x24.tif"; |
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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("TDSDoubleAdjustToExtentBufferGdal running..."); |
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//System.out.println("TestDataSource (Real Coord) Adjust To Extent With Buffer [Gdal] 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 (RasterDriverException e) {
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e.printStackTrace(); |
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return;
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} catch (NotSupportedExtensionException e) {
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e.printStackTrace(); |
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return;
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} |
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ds = new BufferFactory(f);
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ds.setDrawableBands(drawableBands); |
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try {
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ds.setAreaOfInterest(645817.0, 4923851.0, 645853.0, 4923815.0, 10, 10); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} catch (InvalidSetViewException e) {
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} |
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//print();
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try {
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dataTest1(); |
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} catch (InterruptedException e1) { |
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} |
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try {
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ds.setAreaOfInterest(645826.9, 4923844.0, 645838.3, 4923833.3, 2, 2); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} catch (InvalidSetViewException e) {
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} |
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try {
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dataTest2(); |
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} catch (InterruptedException e) { |
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} |
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//print();
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} |
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private void dataTest2() throws InterruptedException{ |
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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), 24); |
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assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 37); |
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assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 7); |
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//Upper Right
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assertEquals((int)(raster.getElemByte(0, 1, 0) & 0xff), 70); |
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assertEquals((int)(raster.getElemByte(0, 1, 1) & 0xff), 78); |
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assertEquals((int)(raster.getElemByte(0, 1, 2) & 0xff), 55); |
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//Lower Left
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assertEquals((int)(raster.getElemByte(1, 0, 0) & 0xff), 97); |
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assertEquals((int)(raster.getElemByte(1, 0, 1) & 0xff), 115); |
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assertEquals((int)(raster.getElemByte(1, 0, 2) & 0xff), 73); |
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//Lower Right
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assertEquals((int)(raster.getElemByte(1, 1, 0) & 0xff), 65); |
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assertEquals((int)(raster.getElemByte(1, 1, 1) & 0xff), 75); |
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assertEquals((int)(raster.getElemByte(1, 1, 2) & 0xff), 51); |
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} |
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private void dataTest1() throws InterruptedException{ |
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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), 97); |
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assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 101); |
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assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 68); |
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//Upper Right
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assertEquals((int)(raster.getElemByte(0, 9, 0) & 0xff), 58); |
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assertEquals((int)(raster.getElemByte(0, 9, 1) & 0xff), 85); |
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assertEquals((int)(raster.getElemByte(0, 9, 2) & 0xff), 42); |
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//Lower Left
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assertEquals((int)(raster.getElemByte(9, 0, 0) & 0xff), 164); |
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assertEquals((int)(raster.getElemByte(9, 0, 1) & 0xff), 158); |
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assertEquals((int)(raster.getElemByte(9, 0, 2) & 0xff), 144); |
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//Lower Right
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assertEquals((int)(raster.getElemByte(9, 9, 0) & 0xff), 135); |
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assertEquals((int)(raster.getElemByte(9, 9, 1) & 0xff), 126); |
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assertEquals((int)(raster.getElemByte(9, 9, 2) & 0xff), 127); |
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assertEquals((int)(raster.getElemByte(6, 6, 0) & 0xff), 120); |
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assertEquals((int)(raster.getElemByte(6, 6, 1) & 0xff), 127); |
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assertEquals((int)(raster.getElemByte(6, 6, 2) & 0xff), 96); |
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assertEquals((int)(raster.getElemByte(2, 3, 0) & 0xff), 24); |
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assertEquals((int)(raster.getElemByte(2, 3, 1) & 0xff), 37); |
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assertEquals((int)(raster.getElemByte(2, 3, 2) & 0xff), 7); |
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assertEquals((int)(raster.getElemByte(5, 4, 0) & 0xff), 88); |
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assertEquals((int)(raster.getElemByte(5, 4, 1) & 0xff), 103); |
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assertEquals((int)(raster.getElemByte(5, 4, 2) & 0xff), 82); |
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assertEquals((int)(raster.getElemByte(9, 2, 0) & 0xff), 157); |
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assertEquals((int)(raster.getElemByte(9, 2, 1) & 0xff), 143); |
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assertEquals((int)(raster.getElemByte(9, 2, 2) & 0xff), 130); |
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assertEquals((int)(raster.getElemByte(7, 8, 0) & 0xff), 222); |
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assertEquals((int)(raster.getElemByte(7, 8, 1) & 0xff), 222); |
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assertEquals((int)(raster.getElemByte(7, 8, 2) & 0xff), 220); |
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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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} |