root / trunk / libraries / libRaster / src-test / org / gvsig / raster / dataaccess / TDSIntEcw.java @ 11067
History | View | Annotate | Download (5.84 KB)
1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
|
4 |
*
|
5 |
* This program is free software; you can redistribute it and/or
|
6 |
* modify it under the terms of the GNU General Public License
|
7 |
* as published by the Free Software Foundation; either version 2
|
8 |
* of the License, or (at your option) any later version.
|
9 |
*
|
10 |
* This program is distributed in the hope that it will be useful,
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 |
* GNU General Public License for more details.
|
14 |
*
|
15 |
* You should have received a copy of the GNU General Public License
|
16 |
* along with this program; if not, write to the Free Software
|
17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
18 |
*/
|
19 |
package org.gvsig.raster.dataaccess; |
20 |
|
21 |
import junit.framework.TestCase; |
22 |
|
23 |
import org.gvsig.raster.RasterLibrary; |
24 |
import org.gvsig.raster.dataset.IBuffer; |
25 |
import org.gvsig.raster.dataset.NotSupportedExtensionException; |
26 |
import org.gvsig.raster.dataset.RasterDataset; |
27 |
import org.gvsig.raster.dataset.RasterDriverException; |
28 |
|
29 |
/**
|
30 |
* Este test prueba el acceso a datos a traves de un DataSource sin resampleo
|
31 |
* para un ECW con coordenadas pixel.
|
32 |
*
|
33 |
* Lee el raster completo y comprueba que los datos leidos sean correctos
|
34 |
* comparando los valores de las cuatro esquinas y algunos valores dentro de la imagen.
|
35 |
* Despu?s hace selecciona un ?rea dentro de la imagen de 2x2 y compara que los valores
|
36 |
* leidos sean correctos.
|
37 |
*
|
38 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
39 |
*
|
40 |
*/
|
41 |
public class TDSIntEcw extends TestCase{ |
42 |
|
43 |
private String baseDir = "./test-images/"; |
44 |
private String path = baseDir + "miniraster30x30.jp2"; |
45 |
private RasterDataset f = null; |
46 |
private DataSource ds = null; |
47 |
|
48 |
public void start(){ |
49 |
this.setUp();
|
50 |
this.testStack();
|
51 |
} |
52 |
|
53 |
public void setUp() { |
54 |
System.err.println("TDSIntEcw running..."); |
55 |
//System.out.println("TestDataSource (Pixel Coord) [Ecw] running...");
|
56 |
} |
57 |
|
58 |
static{
|
59 |
RasterLibrary.wakeUp(); |
60 |
} |
61 |
|
62 |
public void testStack(){ |
63 |
int[] drawableBands = {0, 1, 2}; |
64 |
try {
|
65 |
f = RasterDataset.openFile(null, path);
|
66 |
} catch (NotSupportedExtensionException e) {
|
67 |
return;
|
68 |
} catch (RasterDriverException e) {
|
69 |
return;
|
70 |
} |
71 |
ds = new DataSource(f); |
72 |
ds.addDrawableBands(drawableBands); |
73 |
ds.setAreaOfInterest(0, 0, 30, 30); |
74 |
dataTest1(); |
75 |
//print();
|
76 |
|
77 |
ds.setAreaOfInterest(10, 10, 2, 2); |
78 |
dataTest2(); |
79 |
//print();
|
80 |
} |
81 |
|
82 |
private void dataTest2(){ |
83 |
IBuffer raster = ds.getRasterBuf(); |
84 |
//Upper Left
|
85 |
assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 123); |
86 |
assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 147); |
87 |
assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 111); |
88 |
//Upper Right
|
89 |
assertEquals((int)(raster.getElemByte(0, 1, 0) & 0xff), 117); |
90 |
assertEquals((int)(raster.getElemByte(0, 1, 1) & 0xff), 148); |
91 |
assertEquals((int)(raster.getElemByte(0, 1, 2) & 0xff), 91); |
92 |
//Lower Left
|
93 |
assertEquals((int)(raster.getElemByte(1, 0, 0) & 0xff), 187); |
94 |
assertEquals((int)(raster.getElemByte(1, 0, 1) & 0xff), 190); |
95 |
assertEquals((int)(raster.getElemByte(1, 0, 2) & 0xff), 173); |
96 |
//Lower Right
|
97 |
assertEquals((int)(raster.getElemByte(1, 1, 0) & 0xff), 214); |
98 |
assertEquals((int)(raster.getElemByte(1, 1, 1) & 0xff), 213); |
99 |
assertEquals((int)(raster.getElemByte(1, 1, 2) & 0xff), 211); |
100 |
} |
101 |
|
102 |
private void dataTest1(){ |
103 |
IBuffer raster = ds.getRasterBuf(); |
104 |
//Upper Left
|
105 |
assertEquals((int)(raster.getElemByte(0, 0, 0) & 0xff), 43); |
106 |
assertEquals((int)(raster.getElemByte(0, 0, 1) & 0xff), 53); |
107 |
assertEquals((int)(raster.getElemByte(0, 0, 2) & 0xff), 26); |
108 |
//Upper Right
|
109 |
assertEquals((int)(raster.getElemByte(0, 29, 0) & 0xff), 255); |
110 |
assertEquals((int)(raster.getElemByte(0, 29, 1) & 0xff), 252); |
111 |
assertEquals((int)(raster.getElemByte(0, 29, 2) & 0xff), 246); |
112 |
//Lower Left
|
113 |
assertEquals((int)(raster.getElemByte(29, 0, 0) & 0xff), 175); |
114 |
assertEquals((int)(raster.getElemByte(29, 0, 1) & 0xff), 175); |
115 |
assertEquals((int)(raster.getElemByte(29, 0, 2) & 0xff), 147); |
116 |
//Lower Right
|
117 |
assertEquals((int)(raster.getElemByte(29, 29, 0) & 0xff), 126); |
118 |
assertEquals((int)(raster.getElemByte(29, 29, 1) & 0xff), 134); |
119 |
assertEquals((int)(raster.getElemByte(29, 29, 2) & 0xff), 111); |
120 |
|
121 |
assertEquals((int)(raster.getElemByte(6, 6, 0) & 0xff), 61); |
122 |
assertEquals((int)(raster.getElemByte(6, 6, 1) & 0xff), 84); |
123 |
assertEquals((int)(raster.getElemByte(6, 6, 2) & 0xff), 64); |
124 |
|
125 |
assertEquals((int)(raster.getElemByte(6, 23, 0) & 0xff), 168); |
126 |
assertEquals((int)(raster.getElemByte(6, 23, 1) & 0xff), 171); |
127 |
assertEquals((int)(raster.getElemByte(6, 23, 2) & 0xff), 164); |
128 |
|
129 |
assertEquals((int)(raster.getElemByte(23, 6, 0) & 0xff), 46); |
130 |
assertEquals((int)(raster.getElemByte(23, 6, 1) & 0xff), 64); |
131 |
assertEquals((int)(raster.getElemByte(23, 6, 2) & 0xff), 26); |
132 |
|
133 |
assertEquals((int)(raster.getElemByte(23, 23, 0) & 0xff), 54); |
134 |
assertEquals((int)(raster.getElemByte(23, 23, 1) & 0xff), 57); |
135 |
assertEquals((int)(raster.getElemByte(23, 23, 2) & 0xff), 36); |
136 |
|
137 |
assertEquals((int)(raster.getElemByte(11, 13, 0) & 0xff), 203); |
138 |
assertEquals((int)(raster.getElemByte(11, 13, 1) & 0xff), 182); |
139 |
assertEquals((int)(raster.getElemByte(11, 13, 2) & 0xff), 181); |
140 |
|
141 |
assertEquals((int)(raster.getElemByte(22, 21, 0) & 0xff), 71); |
142 |
assertEquals((int)(raster.getElemByte(22, 21, 1) & 0xff), 97); |
143 |
assertEquals((int)(raster.getElemByte(22, 21, 2) & 0xff), 62); |
144 |
} |
145 |
|
146 |
/**
|
147 |
* Imprime todos los pixels de la fuente de datos en RGB
|
148 |
*/
|
149 |
private void print(){ |
150 |
IBuffer raster = ds.getRasterBuf(); |
151 |
for(int line = 0; line < raster.getHeight(); line++){ |
152 |
for(int col = 0; col < raster.getWidth(); col++) |
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) + ")"); |
154 |
System.out.println();
|
155 |
} |
156 |
} |
157 |
|
158 |
} |