root / branches / v2_0_0_prep / libraries / libRaster / src-test / org / gvsig / raster / dataset / TestStatisticMultiFile.java @ 30754
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/*
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* Created on 19-jul-2006
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*
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* To change the template for this generated file go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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*/
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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) 2004 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.dataset; |
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import org.gvsig.raster.BaseTestCase; |
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import org.gvsig.raster.RasterLibrary; |
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import org.gvsig.raster.dataset.properties.DatasetStatistics; |
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/**
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* Prueba el calculo de estadisticas para un dataset con multiples ficheros.
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* Comprueba que los valores obtenidos en las estadisticas son correctos.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class TestStatisticMultiFile extends BaseTestCase { |
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private String baseDir = "./test-images/"; |
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private String path1 = baseDir + "band1-30x28byte.tif"; |
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private String path2 = baseDir + "band2-30x28byte.tif"; |
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private String path3 = baseDir + "band3-30x28byte.tif"; |
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private RasterDataset f1 = null; |
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private RasterDataset f2 = null; |
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private RasterDataset f3 = null; |
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static {
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RasterLibrary.wakeUp(); |
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} |
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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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protected void doSetUp() throws Exception { |
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super.doSetUp();
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System.err.println("TestStatisticMultiFile running..."); |
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try {
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deleteRMF(path1); |
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deleteRMF(path2); |
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deleteRMF(path3); |
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f1 = RasterDataset.open(null, path1);
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f2 = RasterDataset.open(null, path2);
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f3 = RasterDataset.open(null, path3);
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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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} |
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public void testStack() { |
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MultiRasterDataset grmf = new MultiRasterDataset();
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try {
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grmf.addDataset(new RasterDataset[]{f1}); |
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grmf.addDataset(new RasterDataset[]{f2}); |
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grmf.addDataset(new RasterDataset[]{f3}); |
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try {
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grmf.getStatistics().calcFullStatistics(); |
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} catch (FileNotOpenException e) {
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e.printStackTrace(); |
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} catch (RasterDriverException 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(grmf);
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dataTestB1(grmf.getStatistics()); |
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dataTestB2(grmf.getStatistics()); |
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dataTestB3(grmf.getStatistics()); |
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} catch (FileNotFoundInListException e) {
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e.printStackTrace(); |
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} |
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} |
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private void dataTestB1(DatasetStatistics stats){ |
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assertEquals(new Double(stats.getMaxRGB()[0]), new Double(249.0)); |
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assertEquals(new Double(stats.getMinRGB()[0]), new Double(82.0)); |
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assertEquals(new Double(stats.getSecondMaxRGB()[0]), new Double(211.0)); |
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assertEquals(new Double(stats.getSecondMinRGB()[0]), new Double(83.0)); |
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assertEquals((int)stats.getMean()[0], 19); |
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assertEquals((int)stats.getVariance()[0], 11599); |
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} |
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private void dataTestB2(DatasetStatistics stats){ |
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assertEquals(new Double(stats.getMaxRGB()[1]), new Double(234.0)); |
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assertEquals(new Double(stats.getMinRGB()[1]), new Double(49.0)); |
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assertEquals(new Double(stats.getSecondMaxRGB()[1]), new Double(216.0)); |
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assertEquals(new Double(stats.getSecondMinRGB()[1]), new Double(50.0)); |
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assertEquals((int)stats.getMean()[1], 51); |
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assertEquals((int)stats.getVariance()[1], 7109); |
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} |
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private void dataTestB3(DatasetStatistics stats){ |
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assertEquals(new Double(stats.getMaxRGB()[2]), new Double(255.0)); |
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assertEquals(new Double(stats.getMinRGB()[2]), new Double(28.0)); |
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assertEquals(new Double(stats.getSecondMaxRGB()[2]), new Double(250.0)); |
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assertEquals(new Double(stats.getSecondMinRGB()[2]), new Double(34.0)); |
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assertEquals((int)stats.getMean()[2], -12); |
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assertEquals((int)stats.getVariance()[2], 7991); |
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} |
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public void print(MultiRasterDataset grmf) { |
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for (int iBand = 0; iBand < grmf.getStatistics().getBandCount(); iBand++) { |
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System.out.println("Band " + iBand); |
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System.out.println("...Max: " + grmf.getStatistics().getMax()[iBand]); |
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System.out.println("...Min: " + grmf.getStatistics().getMin()[iBand]); |
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System.out.println("...SecondMax: " + grmf.getStatistics().getSecondMax()[iBand]); |
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System.out.println("...SecondMin: " + grmf.getStatistics().getSecondMin()[iBand]); |
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System.out.println("...Mean: " + grmf.getStatistics().getMean()[iBand]); |
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System.out.println("...Variance: " + grmf.getStatistics().getVariance()[iBand]); |
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} |
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} |
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} |