root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / geolocation / listener / GeoLocationPanelListener.java @ 16554
History | View | Annotate | Download (9.5 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.rastertools.geolocation.listener; |
20 |
|
21 |
import java.awt.event.ActionEvent; |
22 |
import java.awt.event.ActionListener; |
23 |
import java.awt.geom.AffineTransform; |
24 |
import java.awt.geom.Rectangle2D; |
25 |
import java.io.BufferedReader; |
26 |
import java.io.FileInputStream; |
27 |
import java.io.FileNotFoundException; |
28 |
import java.io.IOException; |
29 |
import java.io.InputStreamReader; |
30 |
import java.util.EventObject; |
31 |
|
32 |
import javax.swing.JFileChooser; |
33 |
|
34 |
import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
35 |
import org.gvsig.gui.beans.datainput.DataInputContainerListener; |
36 |
import org.gvsig.raster.datastruct.Extent; |
37 |
import org.gvsig.raster.util.ExtendedFileFilter; |
38 |
import org.gvsig.raster.util.Historical; |
39 |
import org.gvsig.raster.util.RasterToolsUtil; |
40 |
import org.gvsig.rastertools.geolocation.ui.GeoLocationPanel; |
41 |
|
42 |
import com.iver.andami.PluginServices; |
43 |
import com.iver.cit.gvsig.addlayer.fileopen.FileOpenWizard; |
44 |
import com.iver.cit.gvsig.fmap.ViewPort; |
45 |
|
46 |
/**
|
47 |
* Listener para el panel de geolocalizaci?n.
|
48 |
* @version 31/07/2007
|
49 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
50 |
*
|
51 |
*/
|
52 |
public class GeoLocationPanelListener implements ActionListener, DataInputContainerListener { |
53 |
|
54 |
private GeoLocationPanel panel = null; |
55 |
private boolean enableValueChangeEvent = false; |
56 |
|
57 |
/**
|
58 |
* Crea un nuevo <code>GeoLocationPanelListener</code>
|
59 |
* @param panel
|
60 |
*/
|
61 |
public GeoLocationPanelListener(GeoLocationPanel panel) {
|
62 |
this.panel = panel;
|
63 |
} |
64 |
|
65 |
/**
|
66 |
* M?todo que se invoca cuando se disparan los eventos de los botones
|
67 |
*/
|
68 |
public void actionPerformed(ActionEvent e) { |
69 |
if(e.getSource() == panel.getSaveButton()) {
|
70 |
if(RasterToolsUtil.messageBoxYesOrNot(PluginServices.getText(this,"aviso_write_transform"), panel)) { |
71 |
try {
|
72 |
panel.getLayer().saveGeoToRmf(); |
73 |
panel.activeButtons(); |
74 |
} catch (IOException e1) { |
75 |
RasterToolsUtil.messageBoxError(PluginServices.getText(this,"error_salvando_rmf"), panel); |
76 |
} |
77 |
panel.setModify(false);
|
78 |
} |
79 |
return;
|
80 |
} |
81 |
|
82 |
//Asignamos la georreferenciaci?n que hay en ese momento en el dialogo
|
83 |
if(e.getSource() == panel.getApplyButton()) {
|
84 |
try {
|
85 |
double ulx = Double.parseDouble(panel.getUlx().getValue()); |
86 |
double uly = Double.parseDouble(panel.getUly().getValue()); |
87 |
double psx = Double.parseDouble(panel.getPsx().getValue()); |
88 |
double psy = Double.parseDouble(panel.getPsy().getValue()); |
89 |
double rotx = Double.parseDouble(panel.getRotx().getValue()); |
90 |
double roty = Double.parseDouble(panel.getRoty().getValue()); |
91 |
AffineTransform at = new AffineTransform(psx, roty, rotx, psy, ulx, uly); |
92 |
panel.getLayer().setAffineTransform(at); |
93 |
panel.getMapCtrl().getMapContext().invalidate(); |
94 |
return;
|
95 |
} catch(NumberFormatException ex) { |
96 |
RasterToolsUtil.messageBoxError(PluginServices.getText(this,"error_transformacion"), panel); |
97 |
return;
|
98 |
} |
99 |
} |
100 |
|
101 |
Historical hist = panel.getHistorical(); |
102 |
if(hist == null) |
103 |
return;
|
104 |
|
105 |
AffineTransform at = null; |
106 |
|
107 |
//Cargamos la primera transformaci?n
|
108 |
if(e.getSource() == panel.getFirstButton())
|
109 |
at = (AffineTransform)hist.getFirst();
|
110 |
|
111 |
//Cargamos la transformaci?n anterior
|
112 |
if(e.getSource() == panel.getBackButton())
|
113 |
at = (AffineTransform)hist.getBack();
|
114 |
|
115 |
////Cargamos la transformaci?n siguiente
|
116 |
if(e.getSource() == panel.getNextButton())
|
117 |
at = (AffineTransform)hist.getNext();
|
118 |
|
119 |
//Cargamos la georreferenciaci?n del raster
|
120 |
if(e.getSource() == panel.getResetButton())
|
121 |
at = panel.getLayer().getDataSource().getOwnAffineTransform(); |
122 |
|
123 |
//Cargar la georreferenciaci?n desde tfw
|
124 |
if(e.getSource() == panel.getTfwLoad()) {
|
125 |
JFileChooser chooser = new JFileChooser(FileOpenWizard.getLastPath()); |
126 |
chooser.setDialogTitle(PluginServices.getText(this, "seleccionar_fichero")); |
127 |
chooser.addChoosableFileFilter(new ExtendedFileFilter("tfw")); |
128 |
chooser.addChoosableFileFilter(new ExtendedFileFilter("wld")); |
129 |
|
130 |
ExtendedFileFilter allFilters = new ExtendedFileFilter();
|
131 |
allFilters.addExtension("tfw");
|
132 |
allFilters.addExtension("wld");
|
133 |
allFilters.setDescription(PluginServices.getText(this, "todos_soportados")); |
134 |
chooser.addChoosableFileFilter(allFilters); |
135 |
chooser.setFileFilter(allFilters); |
136 |
|
137 |
int returnVal = chooser.showOpenDialog(panel);
|
138 |
if (returnVal == JFileChooser.APPROVE_OPTION) { |
139 |
String fName = chooser.getSelectedFile().toString();
|
140 |
at = readTfw(fName); |
141 |
} |
142 |
} |
143 |
|
144 |
//Centrar el raster en la vista
|
145 |
if(e.getSource() == panel.getCenterToView()) {
|
146 |
Extent extentView = calcCenterExtent(panel.getViewPort()); |
147 |
double x = extentView.minX();
|
148 |
double y = extentView.maxY();
|
149 |
double psX = extentView.width() / ((FLyrRasterSE)panel.getLayer()).getPxWidth();
|
150 |
double psY = -(extentView.height() / ((FLyrRasterSE)panel.getLayer()).getPxHeight());
|
151 |
at = new AffineTransform(psX, 0, 0, psY, x, y); |
152 |
panel.setModify(true);
|
153 |
} |
154 |
|
155 |
//Entrar? en el caso de que se haya seleccionado alguna transformaci?n
|
156 |
if(at != null) { |
157 |
panel.getLayer().setAT(at); |
158 |
panel.loadTransform(at); |
159 |
panel.activeButtons(); |
160 |
panel.getMapCtrl().getMapContext().invalidate(); |
161 |
} |
162 |
} |
163 |
|
164 |
/**
|
165 |
* Control del cambio de valor dentro de las cajas de texto. Cuando esto ocurre tiene
|
166 |
* el mismo efecto que el bot?n "Aplicar"
|
167 |
* @param e EventObject
|
168 |
*/
|
169 |
public void actionValueChanged(EventObject e) { |
170 |
if(isEnableValueChangeEvent()) {
|
171 |
ActionEvent ev = new ActionEvent(panel.getApplyButton(), 0, null); |
172 |
actionPerformed(ev); |
173 |
} |
174 |
} |
175 |
|
176 |
/**
|
177 |
* Obtiene el valor de la variable que informa sobre la activaci?n y desactivaci?n del evento de cambio de valor
|
178 |
* dentro de un campo de texto
|
179 |
* @return enableValueChangeEvent
|
180 |
*/
|
181 |
public boolean isEnableValueChangeEvent() { |
182 |
return enableValueChangeEvent;
|
183 |
} |
184 |
|
185 |
/**
|
186 |
* Asigna el valor para la activaci?n y desactivaci?n del evento de cambio de valor
|
187 |
* dentro de un campo de texto
|
188 |
* @param enableValueChangeEvent
|
189 |
*/
|
190 |
public void setEnableValueChangeEvent(boolean enableValueChangeEvent) { |
191 |
this.enableValueChangeEvent = enableValueChangeEvent;
|
192 |
} |
193 |
|
194 |
/**
|
195 |
* Centra el raster asociado a la capa en al extent del viewport pasado
|
196 |
* por par?metro.
|
197 |
* @param vp ViewPort
|
198 |
* @return Extent para la imagen
|
199 |
*/
|
200 |
private Extent calcCenterExtent(ViewPort vp) {
|
201 |
Extent tempExtent = null;
|
202 |
double widthPxImg, heightPxImg;
|
203 |
|
204 |
widthPxImg = ((FLyrRasterSE)panel.getLayer()).getPxWidth(); |
205 |
heightPxImg = ((FLyrRasterSE)panel.getLayer()).getPxHeight(); |
206 |
|
207 |
if(vp == null || vp.getAdjustedExtent() == null) { |
208 |
vp = new ViewPort(null); |
209 |
Rectangle2D r2d = new Rectangle2D.Double(0, 0, widthPxImg, heightPxImg); |
210 |
vp.setExtent(r2d); |
211 |
tempExtent = new Extent(0, 0, widthPxImg, heightPxImg); |
212 |
} else
|
213 |
tempExtent = new Extent(vp.getAdjustedExtent());
|
214 |
|
215 |
double ulX = 0D, ulY = 0D, lrX = 0D, lrY = 0D; |
216 |
if(widthPxImg > heightPxImg) {
|
217 |
double widthView = tempExtent.maxX() - tempExtent.minX();
|
218 |
ulX = tempExtent.minX() + (widthView / 4);
|
219 |
lrX = ulX + (widthView / 2);
|
220 |
double newAlto = ((heightPxImg * (widthView / 2)) / widthPxImg); |
221 |
double centroY = tempExtent.minY()+((tempExtent.maxY() - tempExtent.minY())/2); |
222 |
ulY = centroY - (newAlto / 2);
|
223 |
lrY = centroY + (newAlto / 2);
|
224 |
} else {
|
225 |
double heightView = tempExtent.maxY() - tempExtent.minY();
|
226 |
ulY = tempExtent.minY() + (heightView / 4);
|
227 |
lrY = ulY + (heightView / 2);
|
228 |
double newAncho = ((widthPxImg * (heightView / 2)) / heightPxImg); |
229 |
double centroX = tempExtent.minX()+((tempExtent.maxX() - tempExtent.minX())/2); |
230 |
ulX = centroX - (newAncho / 2);
|
231 |
lrX = centroX + (newAncho / 2);
|
232 |
} |
233 |
return new Extent(ulX, ulY, lrX, lrY); |
234 |
} |
235 |
|
236 |
/**
|
237 |
* Lee las coordenadas de un fichero de tfw con una transformaci?n y
|
238 |
* devuelve la clase AffineTransform con dicha transformaci?n. Esta llamada gestiona los
|
239 |
* errores producidos actuando en consecuencia. Muestra los mensajes al usuario y retorna
|
240 |
* null en caso de tener problemas.
|
241 |
* @param fName Nombre del fichero tfw
|
242 |
* @return AffineTransform
|
243 |
*/
|
244 |
private AffineTransform readTfw(String fName) { |
245 |
BufferedReader inGrf = null; |
246 |
double[] result = new double[6]; |
247 |
try {
|
248 |
inGrf = new BufferedReader(new InputStreamReader(new FileInputStream(fName))); |
249 |
String str = inGrf.readLine();
|
250 |
int count = 0; |
251 |
while(str != null && count < 6) { |
252 |
try {
|
253 |
Double value = new Double(str); |
254 |
result[count] = value.doubleValue(); |
255 |
} catch (NumberFormatException ex) { |
256 |
RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_file_not_valid"), panel, ex); |
257 |
return null; |
258 |
} |
259 |
str = inGrf.readLine(); |
260 |
count ++; |
261 |
} |
262 |
} catch (FileNotFoundException e) { |
263 |
RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_file_not_found"), panel, e); |
264 |
return null; |
265 |
} catch (IOException ex) { |
266 |
RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_lectura"), panel, ex); |
267 |
return null; |
268 |
} |
269 |
return new AffineTransform(result[0], result[1], result[2], result[3], result[4], result[5]); |
270 |
} |
271 |
} |