root / trunk / libraries / libRaster / src-test / org / gvsig / raster / dataaccess / TDSIntEcw.java @ 11067
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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 | 10960 | nacho | import org.gvsig.raster.RasterLibrary; |
24 | 10939 | nacho | import org.gvsig.raster.dataset.IBuffer; |
25 | import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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26 | import org.gvsig.raster.dataset.RasterDataset; |
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27 | import org.gvsig.raster.dataset.RasterDriverException; |
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28 | 10768 | nacho | |
29 | /**
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30 | * Este test prueba el acceso a datos a traves de un DataSource sin resampleo
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31 | * para un ECW con coordenadas pixel.
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32 | *
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33 | * Lee el raster completo y comprueba que los datos leidos sean correctos
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34 | * comparando los valores de las cuatro esquinas y algunos valores dentro de la imagen.
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35 | * Despu?s hace selecciona un ?rea dentro de la imagen de 2x2 y compara que los valores
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36 | * leidos sean correctos.
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37 | *
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38 | * @author Nacho Brodin (nachobrodin@gmail.com)
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39 | *
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40 | */
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41 | public class TDSIntEcw extends TestCase{ |
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42 | |||
43 | private String baseDir = "./test-images/"; |
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44 | private String path = baseDir + "miniraster30x30.jp2"; |
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45 | private RasterDataset f = null; |
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46 | private DataSource ds = null; |
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47 | |||
48 | public void start(){ |
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49 | this.setUp();
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50 | this.testStack();
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51 | } |
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52 | |||
53 | public void setUp() { |
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54 | System.err.println("TDSIntEcw running..."); |
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55 | //System.out.println("TestDataSource (Pixel Coord) [Ecw] running...");
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56 | } |
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57 | |||
58 | static{
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59 | RasterLibrary.wakeUp(); |
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60 | } |
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61 | |||
62 | public void testStack(){ |
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63 | int[] drawableBands = {0, 1, 2}; |
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64 | try {
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65 | f = RasterDataset.openFile(null, path);
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66 | } catch (NotSupportedExtensionException e) {
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67 | return;
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68 | } catch (RasterDriverException e) {
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69 | return;
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70 | } |
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71 | ds = new DataSource(f); |
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72 | ds.addDrawableBands(drawableBands); |
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73 | ds.setAreaOfInterest(0, 0, 30, 30); |
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74 | dataTest1(); |
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75 | //print();
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76 | |||
77 | ds.setAreaOfInterest(10, 10, 2, 2); |
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78 | dataTest2(); |
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79 | //print();
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80 | } |
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81 | |||
82 | private void dataTest2(){ |
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83 | IBuffer raster = ds.getRasterBuf(); |
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84 | //Upper Left
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85 | assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 123); |
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86 | assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 147); |
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87 | assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 111); |
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88 | //Upper Right
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89 | assertEquals((int)(raster.getElemByte(0, 1, 0) & 0xff), 117); |
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90 | assertEquals((int)(raster.getElemByte(0, 1, 1) & 0xff), 148); |
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91 | assertEquals((int)(raster.getElemByte(0, 1, 2) & 0xff), 91); |
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92 | //Lower Left
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93 | assertEquals((int)(raster.getElemByte(1, 0, 0) & 0xff), 187); |
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94 | assertEquals((int)(raster.getElemByte(1, 0, 1) & 0xff), 190); |
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95 | assertEquals((int)(raster.getElemByte(1, 0, 2) & 0xff), 173); |
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96 | //Lower Right
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97 | assertEquals((int)(raster.getElemByte(1, 1, 0) & 0xff), 214); |
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98 | assertEquals((int)(raster.getElemByte(1, 1, 1) & 0xff), 213); |
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99 | assertEquals((int)(raster.getElemByte(1, 1, 2) & 0xff), 211); |
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100 | } |
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101 | |||
102 | private void dataTest1(){ |
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103 | IBuffer raster = ds.getRasterBuf(); |
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104 | //Upper Left
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105 | assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 43); |
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106 | assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 53); |
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107 | assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 26); |
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108 | //Upper Right
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109 | assertEquals((int)(raster.getElemByte(0, 29, 0) & 0xff), 255); |
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110 | assertEquals((int)(raster.getElemByte(0, 29, 1) & 0xff), 252); |
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111 | assertEquals((int)(raster.getElemByte(0, 29, 2) & 0xff), 246); |
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112 | //Lower Left
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113 | assertEquals((int)(raster.getElemByte(29, 0, 0) & 0xff), 175); |
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114 | assertEquals((int)(raster.getElemByte(29, 0, 1) & 0xff), 175); |
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115 | assertEquals((int)(raster.getElemByte(29, 0, 2) & 0xff), 147); |
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116 | //Lower Right
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117 | assertEquals((int)(raster.getElemByte(29, 29, 0) & 0xff), 126); |
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118 | assertEquals((int)(raster.getElemByte(29, 29, 1) & 0xff), 134); |
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119 | assertEquals((int)(raster.getElemByte(29, 29, 2) & 0xff), 111); |
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120 | |||
121 | assertEquals((int)(raster.getElemByte(6, 6, 0) & 0xff), 61); |
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122 | assertEquals((int)(raster.getElemByte(6, 6, 1) & 0xff), 84); |
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123 | assertEquals((int)(raster.getElemByte(6, 6, 2) & 0xff), 64); |
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124 | |||
125 | assertEquals((int)(raster.getElemByte(6, 23, 0) & 0xff), 168); |
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126 | assertEquals((int)(raster.getElemByte(6, 23, 1) & 0xff), 171); |
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127 | assertEquals((int)(raster.getElemByte(6, 23, 2) & 0xff), 164); |
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128 | |||
129 | assertEquals((int)(raster.getElemByte(23, 6, 0) & 0xff), 46); |
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130 | assertEquals((int)(raster.getElemByte(23, 6, 1) & 0xff), 64); |
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131 | assertEquals((int)(raster.getElemByte(23, 6, 2) & 0xff), 26); |
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132 | |||
133 | assertEquals((int)(raster.getElemByte(23, 23, 0) & 0xff), 54); |
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134 | assertEquals((int)(raster.getElemByte(23, 23, 1) & 0xff), 57); |
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135 | assertEquals((int)(raster.getElemByte(23, 23, 2) & 0xff), 36); |
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136 | |||
137 | assertEquals((int)(raster.getElemByte(11, 13, 0) & 0xff), 203); |
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138 | assertEquals((int)(raster.getElemByte(11, 13, 1) & 0xff), 182); |
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139 | assertEquals((int)(raster.getElemByte(11, 13, 2) & 0xff), 181); |
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140 | |||
141 | assertEquals((int)(raster.getElemByte(22, 21, 0) & 0xff), 71); |
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142 | assertEquals((int)(raster.getElemByte(22, 21, 1) & 0xff), 97); |
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143 | assertEquals((int)(raster.getElemByte(22, 21, 2) & 0xff), 62); |
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144 | } |
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145 | |||
146 | /**
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147 | * Imprime todos los pixels de la fuente de datos en RGB
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148 | */
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149 | private void print(){ |
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150 | IBuffer raster = ds.getRasterBuf(); |
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151 | for(int line = 0; line < raster.getHeight(); line++){ |
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152 | for(int col = 0; col < raster.getWidth(); col++) |
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153 | 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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154 | System.out.println();
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155 | } |
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156 | } |
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157 | |||
158 | } |