svn-gvsig-desktop / trunk / libraries / libRaster / src-test / org / gvsig / raster / dataset / TestStatisticMultiFile.java @ 12522
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1 | 11074 | nacho | /*
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2 | * Created on 19-jul-2006
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3 | *
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4 | * To change the template for this generated file go to
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5 | * Window>Preferences>Java>Code Generation>Code and Comments
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6 | */
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7 | /* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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8 | *
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9 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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10 | *
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11 | * This program is free software; you can redistribute it and/or
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12 | * modify it under the terms of the GNU General Public License
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13 | * as published by the Free Software Foundation; either version 2
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14 | * of the License, or (at your option) any later version.
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15 | *
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16 | * This program is distributed in the hope that it will be useful,
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | * GNU General Public License for more details.
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20 | *
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21 | * You should have received a copy of the GNU General Public License
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22 | * along with this program; if not, write to the Free Software
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23 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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24 | */
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25 | package org.gvsig.raster.dataset; |
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26 | |||
27 | 11183 | bsanchez | import junit.framework.TestCase; |
28 | |||
29 | 11074 | nacho | import org.gvsig.raster.RasterLibrary; |
30 | import org.gvsig.raster.dataset.properties.DatasetStatistics; |
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31 | |||
32 | /**
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33 | * Prueba el calculo de estadisticas para un dataset con multiples ficheros.
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34 | * Comprueba que los valores obtenidos en las estadisticas son correctos.
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35 | *
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36 | * @author Nacho Brodin (nachobrodin@gmail.com)
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37 | *
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38 | */
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39 | public class TestStatisticMultiFile extends TestCase { |
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40 | |||
41 | private String baseDir = "./test-images/"; |
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42 | private String path1 = baseDir + "band1-30x28byte.tif"; |
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43 | private String path2 = baseDir + "band2-30x28byte.tif"; |
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44 | private String path3 = baseDir + "band3-30x28byte.tif"; |
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45 | |||
46 | private RasterDataset f1 = null; |
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47 | private RasterDataset f2 = null; |
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48 | private RasterDataset f3 = null; |
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49 | |||
50 | static {
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51 | RasterLibrary.wakeUp(); |
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52 | } |
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53 | |||
54 | public void start() { |
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55 | this.setUp();
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56 | this.testStack();
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57 | } |
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58 | |||
59 | public void setUp() { |
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60 | System.err.println("TestStatisticMultiFile running..."); |
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61 | try {
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62 | f1 = RasterDataset.open(null, path1);
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63 | f2 = RasterDataset.open(null, path2);
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64 | f3 = RasterDataset.open(null, path3);
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65 | } catch (NotSupportedExtensionException e) {
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66 | e.printStackTrace(); |
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67 | } catch (RasterDriverException e) {
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68 | e.printStackTrace(); |
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69 | } |
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70 | } |
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71 | |||
72 | public void testStack() { |
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73 | 11478 | nacho | MultiRasterDataset grmf = new MultiRasterDataset("prueba"); |
74 | 11074 | nacho | try {
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75 | grmf.addDataset(f1); |
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76 | grmf.addDataset(f2); |
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77 | grmf.addDataset(f3); |
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78 | try {
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79 | grmf.getStatistics().calcFullStatistics(); |
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80 | } catch (FileNotOpenException e) {
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81 | e.printStackTrace(); |
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82 | } catch (RasterDriverException e) {
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83 | e.printStackTrace(); |
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84 | } |
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85 | dataTestB1(grmf.getStatistics()); |
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86 | dataTestB2(grmf.getStatistics()); |
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87 | dataTestB3(grmf.getStatistics()); |
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88 | 11930 | nacho | print(grmf); |
89 | 11396 | nacho | } catch (FileNotFoundInListException e) {
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90 | 11074 | nacho | e.printStackTrace(); |
91 | } |
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92 | } |
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93 | |||
94 | private void dataTestB1(DatasetStatistics stats){ |
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95 | assertEquals(new Double(stats.getMax()[0]), new Double(249.0)); |
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96 | assertEquals(new Double(stats.getMin()[0]), new Double(82.0)); |
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97 | 11930 | nacho | assertEquals(new Double(stats.getSecondMax()[0]), new Double(211.0)); |
98 | 11074 | nacho | assertEquals(new Double(stats.getSecondMin()[0]), new Double(83.0)); |
99 | assertEquals((int)stats.getMean()[0], 119); |
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100 | 11930 | nacho | assertEquals((int)stats.getVariance()[0], 584); |
101 | 11074 | nacho | } |
102 | |||
103 | private void dataTestB2(DatasetStatistics stats){ |
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104 | assertEquals(new Double(stats.getMax()[1]), new Double(234.0)); |
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105 | assertEquals(new Double(stats.getMin()[1]), new Double(49.0)); |
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106 | 11930 | nacho | assertEquals(new Double(stats.getSecondMax()[1]), new Double(216.0)); |
107 | 11074 | nacho | assertEquals(new Double(stats.getSecondMin()[1]), new Double(50.0)); |
108 | assertEquals((int)stats.getMean()[1], 102); |
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109 | assertEquals((int)stats.getVariance()[1], 1107); |
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110 | } |
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111 | |||
112 | private void dataTestB3(DatasetStatistics stats){ |
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113 | assertEquals(new Double(stats.getMax()[2]), new Double(255.0)); |
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114 | assertEquals(new Double(stats.getMin()[2]), new Double(28.0)); |
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115 | 11930 | nacho | assertEquals(new Double(stats.getSecondMax()[2]), new Double(250.0)); |
116 | 11074 | nacho | assertEquals(new Double(stats.getSecondMin()[2]), new Double(34.0)); |
117 | assertEquals((int)stats.getMean()[2], 115); |
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118 | assertEquals((int)stats.getVariance()[2], 2833); |
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119 | } |
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120 | |||
121 | 11478 | nacho | private void print(MultiRasterDataset grmf){ |
122 | 11074 | nacho | for(int iBand = 0; iBand < grmf.getStatistics().getBandCount(); iBand ++){ |
123 | System.out.println("Band " + iBand); |
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124 | System.out.println("...Max: " + grmf.getStatistics().getMax()[iBand]); |
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125 | System.out.println("...Min: " + grmf.getStatistics().getMin()[iBand]); |
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126 | System.out.println("...SecondMax: " + grmf.getStatistics().getSecondMax()[iBand]); |
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127 | System.out.println("...SecondMin: " + grmf.getStatistics().getSecondMin()[iBand]); |
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128 | System.out.println("...Mean: " + grmf.getStatistics().getMean()[iBand]); |
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129 | System.out.println("...Variance: " + grmf.getStatistics().getVariance()[iBand]); |
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130 | } |
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131 | } |
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132 | } |