|
1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|
2 |
*
|
|
3 |
* Copyright (C) 2006 Instituto de Desarrollo Regional 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 |
* For more information, contact:
|
|
20 |
*
|
|
21 |
* Generalitat Valenciana
|
|
22 |
* Conselleria d'Infraestructures i Transport
|
|
23 |
* Av. Blasco Iba?ez, 50
|
|
24 |
* 46010 VALENCIA
|
|
25 |
* SPAIN
|
|
26 |
*
|
|
27 |
* +34 963862235
|
|
28 |
* gvsig@gva.es
|
|
29 |
* www.gvsig.gva.es
|
|
30 |
*
|
|
31 |
* or
|
|
32 |
*
|
|
33 |
* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
|
|
34 |
* Campus Universitario s/n
|
|
35 |
* 02071 Alabacete
|
|
36 |
* Spain
|
|
37 |
*
|
|
38 |
* +34 967 599 200
|
|
39 |
*/
|
|
40 |
|
|
41 |
package org.gvsig.georeferencing.process;
|
|
42 |
|
|
43 |
import java.awt.geom.Point2D;
|
|
44 |
|
|
45 |
import junit.framework.TestCase;
|
|
46 |
|
|
47 |
import org.gvsig.georeferencing.process.geotransform.GeoTransformDataResult;
|
|
48 |
import org.gvsig.georeferencing.process.geotransform.GeoTransformProcess;
|
|
49 |
import org.gvsig.raster.datastruct.GeoPoint;
|
|
50 |
|
|
51 |
import Jama.Matrix;
|
|
52 |
|
|
53 |
/**Test que prueba la el proceso de geotransfornmcion dados una serie de puntos de
|
|
54 |
* control. Compara los coeficientes obtenidos para el polinomio de transformacion
|
|
55 |
* (de coordenadas mapa a coordenadas pixel para las Y), con los obtenidos
|
|
56 |
* manualmente, resolviendo por el m?todo de Cramer.
|
|
57 |
*
|
|
58 |
*
|
|
59 |
* @author aMu?oz (alejandro.munoz@uclm.es)
|
|
60 |
* */
|
|
61 |
|
|
62 |
public class TGeoTransformProcessMapToPixelXTest extends TestCase {
|
|
63 |
|
|
64 |
private GeoPoint gpcs[] = new GeoPoint[3];
|
|
65 |
private double geoPoints[][] ={{ 1369.000000 , 2985.750000 },
|
|
66 |
{ 1673.500000 , 2803.250000 },
|
|
67 |
{ 2092.500000 , 2933.250000 },
|
|
68 |
};
|
|
69 |
|
|
70 |
private double imagePoints[][]={{ 577.500000 , 2427.500000 },
|
|
71 |
{ 803.000000 , 2235.500000 },
|
|
72 |
{ 1165.500000 , 2285.250000 },
|
|
73 |
};
|
|
74 |
public void start() {
|
|
75 |
this.testStack();
|
|
76 |
}
|
|
77 |
|
|
78 |
|
|
79 |
public void testStack() {
|
|
80 |
System.err.println("TGeoTransformProcessMapToPixelYTest running...");
|
|
81 |
|
|
82 |
for(int i=0;i<geoPoints.length;i++)
|
|
83 |
{
|
|
84 |
Point2D pW = new Point2D.Double(geoPoints[i][0],geoPoints[i][1]);
|
|
85 |
Point2D pP = new Point2D.Double(imagePoints[i][0],imagePoints[i][1]);
|
|
86 |
gpcs[i]= new GeoPoint(pP,pW);
|
|
87 |
}
|
|
88 |
|
|
89 |
GeoTransformProcess proceso = new GeoTransformProcess();
|
|
90 |
proceso.addParam("gpcs",gpcs);
|
|
91 |
proceso.addParam("orden", new Integer(1));
|
|
92 |
proceso.run();
|
|
93 |
|
|
94 |
GeoTransformDataResult resultado= (GeoTransformDataResult) proceso.getResult();
|
|
95 |
|
|
96 |
// Estimacion de los coeficientes de forma manual, siquiento la teoria del manual de Jose Gonzalez
|
|
97 |
|
|
98 |
// Matriz para el ejmplo correspondiente a la figura 2.20
|
|
99 |
double M[][]={
|
|
100 |
{3, 5135, 8722.25},
|
|
101 |
{5135, 9053319.5, 14916556.225},
|
|
102 |
{8722.25, 14916556.225, 25376869.1875}
|
|
103 |
};
|
|
104 |
Matrix m_M = new Matrix(M);
|
|
105 |
double det= m_M.det();
|
|
106 |
|
|
107 |
|
|
108 |
double A0[][]={
|
|
109 |
{2546.0, 5135, 8722.25},
|
|
110 |
{4573226.75, 9053319.5, 14916556.225},
|
|
111 |
{7393983.25, 14916556.225, 25376869.1875}
|
|
112 |
};
|
|
113 |
Matrix m_A0= new Matrix (A0);
|
|
114 |
double coef0= m_A0.det()/det;
|
|
115 |
|
|
116 |
|
|
117 |
|
|
118 |
double A1[][]={
|
|
119 |
{3, 2546.0, 8722.25},
|
|
120 |
{5135, 4573226.75, 14916556.225},
|
|
121 |
{8722.25, 7393983.25, 25376869.1875}
|
|
122 |
};
|
|
123 |
Matrix m_A1= new Matrix (A1);
|
|
124 |
double coef1= m_A1.det()/det;
|
|
125 |
|
|
126 |
double A2[][]={
|
|
127 |
{3, 5135, 2546.0},
|
|
128 |
{5135, 9053319.5, 4573226.75},
|
|
129 |
{8722.25, 14916556.225, 7393983.25}
|
|
130 |
};
|
|
131 |
|
|
132 |
Matrix m_A2= new Matrix (A2);
|
|
133 |
double coef2= m_A2.det()/det;
|
|
134 |
|
|
135 |
// Comprobacion de los coeficientes obtenidos tras el proceso con los determinados de forma manual
|
|
136 |
|
|
137 |
assertEquals(coef0, resultado.getMapToPixelCoefX()[0],0.1);
|
|
138 |
assertEquals(coef1, resultado.getMapToPixelCoefX()[1],0.1);
|
|
139 |
assertEquals(coef2, resultado.getMapToPixelCoefX()[2],0.1);
|
|
140 |
|
|
141 |
}
|
|
142 |
}
|