svn-gvsig-desktop / trunk / libraries / libRaster / src-test / org / gvsig / raster / dataaccess / TDSDoubleAdjustToExtentEcw.java @ 10939
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1 | 10768 | nacho | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | */
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19 | package org.gvsig.raster.dataaccess; |
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20 | |||
21 | import junit.framework.TestCase; |
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22 | |||
23 | import org.gvsig.raster.dataaccess.DataSource; |
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24 | 10939 | nacho | import org.gvsig.raster.dataset.EcwDriver; |
25 | import org.gvsig.raster.dataset.GdalDriver; |
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26 | import org.gvsig.raster.dataset.IBuffer; |
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27 | import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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28 | import org.gvsig.raster.dataset.RasterDataset; |
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29 | import org.gvsig.raster.dataset.RasterDriverException; |
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30 | 10768 | nacho | import org.gvsig.raster.shared.RasterLibrary; |
31 | |||
32 | /**
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33 | * Este test prueba el acceso a datos a traves de un DataSource sin resampleo
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34 | * para un ECW con coordenadas reales.
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35 | *
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36 | * Lee el raster completo y comprueba que los datos leidos sean correctos
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37 | * comparando los valores de las cuatro esquinas y algunos valores dentro de la imagen.
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38 | * Se lee un ?rea m?s grande que el extent completo del raster para comprobar que el ajuste
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39 | * al extent lo hace correctamente.
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40 | *
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41 | * Despu?s hace selecciona un ?rea dentro de la imagen de 2x2 y compara que los valores
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42 | * leidos sean correctos.
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43 | *
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44 | * @author Nacho Brodin (nachobrodin@gmail.com)
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45 | *
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46 | */
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47 | public class TDSDoubleAdjustToExtentEcw extends TestCase{ |
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48 | |||
49 | private String baseDir = "./test-images/"; |
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50 | private String path = baseDir + "miniraster30x30.jp2"; |
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51 | private RasterDataset f = null; |
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52 | private DataSource ds = null; |
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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 | 10782 | nacho | System.err.println("TDSDoubleAdjustToExtentEcw running..."); |
61 | 10768 | nacho | //System.out.println("TestDataSource (Real Coord) Adjust To Extent [Ecw] running...");
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62 | } |
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63 | |||
64 | static{
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65 | RasterLibrary.wakeUp(); |
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66 | } |
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67 | |||
68 | public void testStack(){ |
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69 | int[] drawableBands = {0, 1, 2}; |
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70 | try {
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71 | f = RasterDataset.openFile(null, path);
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72 | } catch (NotSupportedExtensionException e) {
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73 | return;
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74 | } catch (RasterDriverException e) {
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75 | return;
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76 | } |
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77 | ds = new DataSource(f); |
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78 | ds.addDrawableBands(drawableBands); |
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79 | //Se selecciona un ?rea mayor que el extent para probar que lo ajusta a este
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80 | ds.setAreaOfInterest(645860.0, 4923870.0, 130, 130, true); |
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81 | dataTest1(); |
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82 | //print();
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83 | |||
84 | ds.setAreaOfInterest(645889.0, 4923858.0, 5, 5, true); |
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85 | dataTest2(); |
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86 | //print();
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87 | } |
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88 | |||
89 | private void dataTest2(){ |
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90 | IBuffer raster = ds.getRasterBuf(); |
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91 | //Upper Left
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92 | assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 121); |
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93 | assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 135); |
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94 | assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 110); |
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95 | //Upper Right
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96 | assertEquals((int)(raster.getElemByte(0, 1, 0) & 0xff), 235); |
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97 | assertEquals((int)(raster.getElemByte(0, 1, 1) & 0xff), 224); |
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98 | assertEquals((int)(raster.getElemByte(0, 1, 2) & 0xff), 192); |
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99 | //Lower Left
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100 | assertEquals((int)(raster.getElemByte(1, 0, 0) & 0xff), 102); |
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101 | assertEquals((int)(raster.getElemByte(1, 0, 1) & 0xff), 104); |
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102 | assertEquals((int)(raster.getElemByte(1, 0, 2) & 0xff), 83); |
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103 | //Lower Right
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104 | assertEquals((int)(raster.getElemByte(1, 1, 0) & 0xff), 95); |
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105 | assertEquals((int)(raster.getElemByte(1, 1, 1) & 0xff), 77); |
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106 | assertEquals((int)(raster.getElemByte(1, 1, 2) & 0xff), 99); |
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107 | } |
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108 | |||
109 | private void dataTest1(){ |
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110 | IBuffer raster = ds.getRasterBuf(); |
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111 | //Upper Left
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112 | assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 43); |
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113 | assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 53); |
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114 | assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 26); |
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115 | //Upper Right
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116 | assertEquals((int)(raster.getElemByte(0, 29, 0) & 0xff), 255); |
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117 | assertEquals((int)(raster.getElemByte(0, 29, 1) & 0xff), 252); |
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118 | assertEquals((int)(raster.getElemByte(0, 29, 2) & 0xff), 246); |
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119 | //Lower Left
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120 | assertEquals((int)(raster.getElemByte(29, 0, 0) & 0xff), 175); |
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121 | assertEquals((int)(raster.getElemByte(29, 0, 1) & 0xff), 175); |
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122 | assertEquals((int)(raster.getElemByte(29, 0, 2) & 0xff), 147); |
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123 | //Lower Right
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124 | assertEquals((int)(raster.getElemByte(29, 29, 0) & 0xff), 126); |
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125 | assertEquals((int)(raster.getElemByte(29, 29, 1) & 0xff), 134); |
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126 | assertEquals((int)(raster.getElemByte(29, 29, 2) & 0xff), 111); |
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127 | |||
128 | assertEquals((int)(raster.getElemByte(6, 6, 0) & 0xff), 61); |
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129 | assertEquals((int)(raster.getElemByte(6, 6, 1) & 0xff), 84); |
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130 | assertEquals((int)(raster.getElemByte(6, 6, 2) & 0xff), 64); |
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131 | |||
132 | assertEquals((int)(raster.getElemByte(6, 23, 0) & 0xff), 168); |
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133 | assertEquals((int)(raster.getElemByte(6, 23, 1) & 0xff), 171); |
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134 | assertEquals((int)(raster.getElemByte(6, 23, 2) & 0xff), 164); |
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135 | |||
136 | assertEquals((int)(raster.getElemByte(23, 6, 0) & 0xff), 46); |
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137 | assertEquals((int)(raster.getElemByte(23, 6, 1) & 0xff), 64); |
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138 | assertEquals((int)(raster.getElemByte(23, 6, 2) & 0xff), 26); |
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139 | |||
140 | assertEquals((int)(raster.getElemByte(23, 23, 0) & 0xff), 54); |
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141 | assertEquals((int)(raster.getElemByte(23, 23, 1) & 0xff), 57); |
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142 | assertEquals((int)(raster.getElemByte(23, 23, 2) & 0xff), 36); |
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143 | |||
144 | assertEquals((int)(raster.getElemByte(11, 13, 0) & 0xff), 203); |
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145 | assertEquals((int)(raster.getElemByte(11, 13, 1) & 0xff), 182); |
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146 | assertEquals((int)(raster.getElemByte(11, 13, 2) & 0xff), 181); |
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147 | |||
148 | assertEquals((int)(raster.getElemByte(22, 21, 0) & 0xff), 71); |
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149 | assertEquals((int)(raster.getElemByte(22, 21, 1) & 0xff), 97); |
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150 | assertEquals((int)(raster.getElemByte(22, 21, 2) & 0xff), 62); |
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151 | } |
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152 | |||
153 | /**
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154 | * Imprime todos los pixels de la fuente de datos en RGB
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155 | */
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156 | private void print(){ |
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157 | IBuffer raster = ds.getRasterBuf(); |
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158 | for(int line = 0; line < raster.getHeight(); line++){ |
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159 | for(int col = 0; col < raster.getWidth(); col++) |
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160 | 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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161 | System.out.println();
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162 | } |
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163 | } |
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164 | |||
165 | } |