root / trunk / libraries / libRaster / src-test / org / gvsig / raster / buffer / TDSDoubleAdjustToExtentBufferGdal.java @ 11074
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1 | 11074 | 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.buffer; |
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20 | |||
21 | import junit.framework.TestCase; |
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22 | |||
23 | import org.gvsig.raster.RasterLibrary; |
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24 | import org.gvsig.raster.buffer.BufferFactory; |
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25 | import org.gvsig.raster.dataset.IBuffer; |
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26 | import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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27 | import org.gvsig.raster.dataset.RasterDataset; |
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28 | import org.gvsig.raster.dataset.RasterDriverException; |
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29 | import org.gvsig.raster.dataset.io.EcwDriver; |
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30 | import org.gvsig.raster.dataset.io.GdalDriver; |
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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 raster leido con Gdal con coordenadas pixel.
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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 | * Despu?s hace selecciona un ?rea dentro de la imagen de 2x2 y compara que los valores
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39 | * leidos sean correctos.
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40 | *
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41 | * @author Nacho Brodin (nachobrodin@gmail.com)
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42 | *
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43 | */
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44 | public class TDSDoubleAdjustToExtentBufferGdal extends TestCase{ |
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45 | |||
46 | private String baseDir = "./test-images/"; |
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47 | private String path = baseDir + "miniRaster25x24.tif"; |
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48 | private RasterDataset f = null; |
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49 | private BufferFactory ds = null; |
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50 | |||
51 | public void start(){ |
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52 | this.setUp();
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53 | this.testStack();
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54 | } |
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55 | |||
56 | public void setUp() { |
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57 | System.err.println("TDSDoubleAdjustToExtentBufferGdal running..."); |
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58 | //System.out.println("TestDataSource (Real Coord) Adjust To Extent With Buffer [Gdal] running...");
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59 | } |
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60 | |||
61 | static{
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62 | RasterLibrary.wakeUp(); |
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63 | } |
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64 | |||
65 | public void testStack(){ |
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66 | int[] drawableBands = {0, 1, 2}; |
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67 | try {
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68 | f = RasterDataset.open(null, path);
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69 | } catch (NotSupportedExtensionException e) {
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70 | e.printStackTrace(); |
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71 | return;
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72 | } catch (RasterDriverException e) {
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73 | e.printStackTrace(); |
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74 | return;
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75 | } |
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76 | ds = new BufferFactory(f);
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77 | ds.addDrawableBands(drawableBands); |
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78 | ds.setAreaOfInterest(645817.0, 4923851.0, 645853.0, 4923815.0, 10, 10, true); |
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79 | //print();
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80 | dataTest1(); |
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81 | |||
82 | ds.setAreaOfInterest(645826.9, 4923844.0, 645838.3, 4923833.3, 2, 2, true); |
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83 | dataTest2(); |
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84 | //print();
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85 | } |
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86 | |||
87 | private void dataTest2(){ |
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88 | IBuffer raster = ds.getRasterBuf(); |
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89 | //Upper Left
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90 | assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 24); |
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91 | assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 37); |
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92 | assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 7); |
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93 | //Upper Right
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94 | assertEquals((int)(raster.getElemByte(0, 1, 0) & 0xff), 70); |
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95 | assertEquals((int)(raster.getElemByte(0, 1, 1) & 0xff), 78); |
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96 | assertEquals((int)(raster.getElemByte(0, 1, 2) & 0xff), 55); |
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97 | //Lower Left
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98 | assertEquals((int)(raster.getElemByte(1, 0, 0) & 0xff), 97); |
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99 | assertEquals((int)(raster.getElemByte(1, 0, 1) & 0xff), 115); |
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100 | assertEquals((int)(raster.getElemByte(1, 0, 2) & 0xff), 73); |
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101 | //Lower Right
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102 | assertEquals((int)(raster.getElemByte(1, 1, 0) & 0xff), 65); |
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103 | assertEquals((int)(raster.getElemByte(1, 1, 1) & 0xff), 75); |
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104 | assertEquals((int)(raster.getElemByte(1, 1, 2) & 0xff), 51); |
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105 | } |
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106 | |||
107 | private void dataTest1(){ |
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108 | IBuffer raster = ds.getRasterBuf(); |
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109 | //Upper Left
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110 | assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 97); |
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111 | assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 101); |
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112 | assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 68); |
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113 | //Upper Right
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114 | assertEquals((int)(raster.getElemByte(0, 9, 0) & 0xff), 58); |
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115 | assertEquals((int)(raster.getElemByte(0, 9, 1) & 0xff), 85); |
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116 | assertEquals((int)(raster.getElemByte(0, 9, 2) & 0xff), 42); |
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117 | //Lower Left
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118 | assertEquals((int)(raster.getElemByte(9, 0, 0) & 0xff), 164); |
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119 | assertEquals((int)(raster.getElemByte(9, 0, 1) & 0xff), 158); |
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120 | assertEquals((int)(raster.getElemByte(9, 0, 2) & 0xff), 144); |
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121 | //Lower Right
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122 | assertEquals((int)(raster.getElemByte(9, 9, 0) & 0xff), 135); |
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123 | assertEquals((int)(raster.getElemByte(9, 9, 1) & 0xff), 126); |
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124 | assertEquals((int)(raster.getElemByte(9, 9, 2) & 0xff), 127); |
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125 | |||
126 | assertEquals((int)(raster.getElemByte(6, 6, 0) & 0xff), 120); |
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127 | assertEquals((int)(raster.getElemByte(6, 6, 1) & 0xff), 127); |
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128 | assertEquals((int)(raster.getElemByte(6, 6, 2) & 0xff), 96); |
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129 | |||
130 | assertEquals((int)(raster.getElemByte(2, 3, 0) & 0xff), 24); |
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131 | assertEquals((int)(raster.getElemByte(2, 3, 1) & 0xff), 37); |
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132 | assertEquals((int)(raster.getElemByte(2, 3, 2) & 0xff), 7); |
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133 | |||
134 | assertEquals((int)(raster.getElemByte(5, 4, 0) & 0xff), 88); |
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135 | assertEquals((int)(raster.getElemByte(5, 4, 1) & 0xff), 103); |
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136 | assertEquals((int)(raster.getElemByte(5, 4, 2) & 0xff), 82); |
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137 | |||
138 | assertEquals((int)(raster.getElemByte(9, 2, 0) & 0xff), 157); |
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139 | assertEquals((int)(raster.getElemByte(9, 2, 1) & 0xff), 143); |
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140 | assertEquals((int)(raster.getElemByte(9, 2, 2) & 0xff), 130); |
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141 | |||
142 | assertEquals((int)(raster.getElemByte(7, 8, 0) & 0xff), 222); |
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143 | assertEquals((int)(raster.getElemByte(7, 8, 1) & 0xff), 222); |
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144 | assertEquals((int)(raster.getElemByte(7, 8, 2) & 0xff), 220); |
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145 | } |
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146 | |||
147 | /**
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148 | * Imprime todos los pixels de la fuente de datos en RGB
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149 | */
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150 | private void print(){ |
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151 | IBuffer raster = ds.getRasterBuf(); |
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152 | for(int line = 0; line < raster.getHeight(); line++){ |
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153 | for(int col = 0; col < raster.getWidth(); col++) |
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154 | 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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155 | System.out.println();
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156 | } |
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157 | } |
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158 | |||
159 | } |