gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.main / src / test / java / org / gvsig / fmap / dal / coverage / buffer / TestDSIntGdal.java @ 2443
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.fmap.dal.coverage.buffer; |
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import org.gvsig.fmap.dal.coverage.BaseTestCase; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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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.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
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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 TestDSIntGdal extends BaseTestCase { |
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private String path = baseDir + "miniRaster25x24.tif"; |
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private RasterDataStore f = null; |
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private RasterQuery query = null; |
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protected Buffer raster = null; |
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public void start() throws Exception { |
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this.setUp();
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this.testStack();
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} |
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@Override
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protected void doSetUp() throws Exception { |
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System.err.println("TestDataSetIntGdal running..."); |
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try {
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super.doSetUp();
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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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 = manager.open(path); |
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} catch (NotSupportedExtensionException e) {
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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query = manager.createQuery(); |
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query.setDrawableBands(drawableBands); |
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try {
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query.setAreaOfInterest(0, 0, 25, 24); |
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raster = f.query(query); |
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} catch (InvalidSetViewException e) {
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e.printStackTrace(); |
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} catch (ProcessInterruptedException e) {
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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return;
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} |
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dataTest1(); |
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//print();
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try {
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query.setAreaOfInterest(10, 10, 2, 2); |
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raster = f.query(query); |
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} catch (InvalidSetViewException e) {
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e.printStackTrace(); |
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} catch (ProcessInterruptedException e) {
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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return;
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} |
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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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//Upper Left
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assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 80); |
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assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 96); |
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assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 60); |
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//Upper Right
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assertEquals((int)(raster.getElemByte(0, 1, 0) & 0xff), 80); |
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assertEquals((int)(raster.getElemByte(0, 1, 1) & 0xff), 96); |
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assertEquals((int)(raster.getElemByte(0, 1, 2) & 0xff), 60); |
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//Lower Left
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assertEquals((int)(raster.getElemByte(1, 0, 0) & 0xff), 82); |
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assertEquals((int)(raster.getElemByte(1, 0, 1) & 0xff), 97); |
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assertEquals((int)(raster.getElemByte(1, 0, 2) & 0xff), 68); |
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//Lower Right
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assertEquals((int)(raster.getElemByte(1, 1, 0) & 0xff), 82); |
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assertEquals((int)(raster.getElemByte(1, 1, 1) & 0xff), 97); |
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assertEquals((int)(raster.getElemByte(1, 1, 2) & 0xff), 68); |
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} |
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private void dataTest1(){ |
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//Upper Left
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assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 14); |
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assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 14); |
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assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 0); |
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//Upper Right
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assertEquals((int)(raster.getElemByte(0, 24, 0) & 0xff), 68); |
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assertEquals((int)(raster.getElemByte(0, 24, 1) & 0xff), 90); |
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assertEquals((int)(raster.getElemByte(0, 24, 2) & 0xff), 52); |
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//Lower Left
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assertEquals((int)(raster.getElemByte(23, 0, 0) & 0xff), 129); |
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assertEquals((int)(raster.getElemByte(23, 0, 1) & 0xff), 122); |
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assertEquals((int)(raster.getElemByte(23, 0, 2) & 0xff), 106); |
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//Lower Right
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assertEquals((int)(raster.getElemByte(23, 24, 0) & 0xff), 145); |
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assertEquals((int)(raster.getElemByte(23, 24, 1) & 0xff), 140); |
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assertEquals((int)(raster.getElemByte(23, 24, 2) & 0xff), 134); |
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assertEquals((int)(raster.getElemByte(6, 6, 0) & 0xff), 21); |
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assertEquals((int)(raster.getElemByte(6, 6, 1) & 0xff), 37); |
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assertEquals((int)(raster.getElemByte(6, 6, 2) & 0xff), 10); |
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assertEquals((int)(raster.getElemByte(6, 23, 0) & 0xff), 91); |
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assertEquals((int)(raster.getElemByte(6, 23, 1) & 0xff), 105); |
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assertEquals((int)(raster.getElemByte(6, 23, 2) & 0xff), 92); |
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assertEquals((int)(raster.getElemByte(23, 6, 0) & 0xff), 153); |
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assertEquals((int)(raster.getElemByte(23, 6, 1) & 0xff), 133); |
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assertEquals((int)(raster.getElemByte(23, 6, 2) & 0xff), 122); |
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assertEquals((int)(raster.getElemByte(9, 14, 0) & 0xff), 63); |
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assertEquals((int)(raster.getElemByte(9, 14, 1) & 0xff), 69); |
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assertEquals((int)(raster.getElemByte(9, 14, 2) & 0xff), 55); |
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assertEquals((int)(raster.getElemByte(6, 13, 0) & 0xff), 70); |
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assertEquals((int)(raster.getElemByte(6, 13, 1) & 0xff), 78); |
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assertEquals((int)(raster.getElemByte(6, 13, 2) & 0xff), 55); |
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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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} |