root / branches / v2_0_0_prep / extensions / extRemoteSensing / src / org / gvsig / remotesensing / PrincipalComponentsExtension.java @ 31496
History | View | Annotate | Download (7.89 KB)
| 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 Ibez, 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 |
package org.gvsig.remotesensing; |
| 41 |
|
| 42 |
import javax.swing.Icon; |
| 43 |
|
| 44 |
import org.gvsig.andami.PluginServices; |
| 45 |
import org.gvsig.andami.plugins.Extension; |
| 46 |
import org.gvsig.app.project.documents.view.ViewDocument; |
| 47 |
import org.gvsig.app.project.documents.view.gui.DefaultViewPanel; |
| 48 |
import org.gvsig.app.project.documents.view.toc.ITocItem; |
| 49 |
import org.gvsig.fmap.mapcontext.MapContext; |
| 50 |
import org.gvsig.fmap.mapcontext.layers.FLayer; |
| 51 |
import org.gvsig.fmap.mapcontext.layers.FLayers; |
| 52 |
import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
| 53 |
import org.gvsig.fmap.raster.layers.ILayerState; |
| 54 |
import org.gvsig.raster.gui.IGenericToolBarMenuItem; |
| 55 |
import org.gvsig.remotesensing.principalcomponents.gui.PrincipalComponentPanel; |
| 56 |
import org.gvsig.tools.ToolsLocator; |
| 57 |
import org.gvsig.tools.extensionpoint.ExtensionPoint; |
| 58 |
import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
| 59 |
|
| 60 |
/**
|
| 61 |
* Extensi?n para el c?lculo de Componentes Principales.
|
| 62 |
*
|
| 63 |
* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
|
| 64 |
*/
|
| 65 |
public class PrincipalComponentsExtension extends Extension implements IGenericToolBarMenuItem { |
| 66 |
private static final double NODATA = -99999999999999.; |
| 67 |
|
| 68 |
/*
|
| 69 |
* (non-Javadoc)
|
| 70 |
* @see com.iver.andami.plugins.IExtension#initialize()
|
| 71 |
*/
|
| 72 |
public void initialize() { |
| 73 |
ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager(); |
| 74 |
ExtensionPoint point=extensionPoints.add("GenericToolBarMenu");
|
| 75 |
point.append("PrincipalComponents", "", this.getClass()); |
| 76 |
} |
| 77 |
|
| 78 |
/*
|
| 79 |
* (non-Javadoc)
|
| 80 |
* @see com.iver.andami.plugins.IExtension#execute(java.lang.String)
|
| 81 |
*/
|
| 82 |
public void execute(String actionCommand) { |
| 83 |
if (actionCommand.equals("principal_components")){ |
| 84 |
org.gvsig.andami.ui.mdiManager.IWindow activeWindow = PluginServices.getMDIManager().getActiveWindow(); |
| 85 |
|
| 86 |
//si la ventana activa es de tipo Vista
|
| 87 |
if (activeWindow instanceof DefaultViewPanel) { |
| 88 |
PrincipalComponentPanel pcPanel = new PrincipalComponentPanel ((DefaultViewPanel)activeWindow);
|
| 89 |
PluginServices.getMDIManager().addWindow(pcPanel); |
| 90 |
|
| 91 |
} |
| 92 |
} |
| 93 |
} |
| 94 |
|
| 95 |
/*
|
| 96 |
* (non-Javadoc)
|
| 97 |
* @see com.iver.andami.plugins.IExtension#isEnabled()
|
| 98 |
*/
|
| 99 |
public boolean isEnabled() { |
| 100 |
org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
| 101 |
if (f == null) { |
| 102 |
return false; |
| 103 |
} |
| 104 |
if (f.getClass() == DefaultViewPanel.class) {
|
| 105 |
DefaultViewPanel vista = (DefaultViewPanel) f; |
| 106 |
ViewDocument model = vista.getModel(); |
| 107 |
MapContext mapa = model.getMapContext(); |
| 108 |
FLayers layers = mapa.getLayers(); |
| 109 |
for (int i = 0; i < layers.getLayersCount(); i++) |
| 110 |
if (layers.getLayer(i) instanceof FLyrRasterSE) |
| 111 |
return true; |
| 112 |
} |
| 113 |
return false; |
| 114 |
} |
| 115 |
|
| 116 |
/*
|
| 117 |
* (non-Javadoc)
|
| 118 |
* @see com.iver.andami.plugins.IExtension#isVisible()
|
| 119 |
*/
|
| 120 |
public boolean isVisible() { |
| 121 |
org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
| 122 |
if (f == null) { |
| 123 |
return false; |
| 124 |
} |
| 125 |
if (f instanceof DefaultViewPanel) { |
| 126 |
DefaultViewPanel vista = (DefaultViewPanel) f; |
| 127 |
ViewDocument model = vista.getModel(); |
| 128 |
MapContext mapa = model.getMapContext(); |
| 129 |
return mapa.getLayers().getLayersCount() > 0; |
| 130 |
} else {
|
| 131 |
return false; |
| 132 |
} |
| 133 |
} |
| 134 |
|
| 135 |
private static double covariance(double[] xx, double x, double[] yy, double y) { |
| 136 |
double dSum = 0; |
| 137 |
int iValues = 0; |
| 138 |
|
| 139 |
for (int i = 0; i < yy.length; i++) { |
| 140 |
if (xx[i] != NODATA && yy[i] != NODATA) {
|
| 141 |
dSum += (xx[i] - x) * (yy[i] - y); |
| 142 |
iValues++; |
| 143 |
} |
| 144 |
} |
| 145 |
if (iValues > 1) { |
| 146 |
return dSum / (double) (iValues - 1); |
| 147 |
} else {
|
| 148 |
return NODATA;
|
| 149 |
} |
| 150 |
} |
| 151 |
|
| 152 |
private static double covariance(byte[][] xx, double x, byte[][] yy, double y) { |
| 153 |
double dSum = 0; |
| 154 |
int iValues = 0; |
| 155 |
|
| 156 |
for (int i = 0; i < yy.length; i++) { |
| 157 |
for (int j = 0; j < yy[0].length; j++) { |
| 158 |
if (xx[i][j] != NODATA && yy[i][j] != NODATA) {
|
| 159 |
dSum += (xx[i][j] - x) * (yy[i][j] - y); |
| 160 |
iValues++; |
| 161 |
} |
| 162 |
} |
| 163 |
} |
| 164 |
if (iValues > 1) { |
| 165 |
return dSum / (double) (iValues - 1); |
| 166 |
} else {
|
| 167 |
return NODATA;
|
| 168 |
} |
| 169 |
} |
| 170 |
|
| 171 |
/**
|
| 172 |
* Covariance of two 1D arrays of doubles, xx and yy
|
| 173 |
* @param xx
|
| 174 |
* @param yy
|
| 175 |
* @return
|
| 176 |
*/
|
| 177 |
public static double covariance(byte[][] xx, byte[][] yy){ |
| 178 |
int nx = xx.length;
|
| 179 |
int ny = xx[0].length; |
| 180 |
if (nx != yy.length)
|
| 181 |
throw new IllegalArgumentException("length of x variable array, " + nx + " and length of y array, " + yy.length + " are different"); |
| 182 |
|
| 183 |
double sumx = 0.0D, meanx = 0.0D; |
| 184 |
double sumy = 0.0D, meany = 0.0D; |
| 185 |
for (int i = 0; i < nx; i++) { |
| 186 |
for (int j = 0; j < ny; j++) { |
| 187 |
sumx += xx[i][j]; |
| 188 |
sumy += yy[i][j]; |
| 189 |
} |
| 190 |
} |
| 191 |
meanx = sumx / ((double) nx * (double) ny); |
| 192 |
meany = sumy / ((double) nx * (double) ny); |
| 193 |
double sum = 0.0D; |
| 194 |
for (int i = 0; i < nx; i++) { |
| 195 |
for (int j = 0; j < ny; j++) |
| 196 |
sum += (xx[i][j] - meanx) * (yy[i][j] - meany); |
| 197 |
} |
| 198 |
return sum / ((double) (nx * ny - 1)); |
| 199 |
} |
| 200 |
|
| 201 |
/*
|
| 202 |
* (non-Javadoc)
|
| 203 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#execute(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])
|
| 204 |
*/
|
| 205 |
public void execute(ITocItem item, FLayer[] selectedItems) { |
| 206 |
this.execute("principal_components"); |
| 207 |
} |
| 208 |
|
| 209 |
/*
|
| 210 |
* (non-Javadoc)
|
| 211 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getGroup()
|
| 212 |
*/
|
| 213 |
public String getGroup() { |
| 214 |
return "RasterProcess"; |
| 215 |
} |
| 216 |
|
| 217 |
/*
|
| 218 |
* (non-Javadoc)
|
| 219 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getIcon()
|
| 220 |
*/
|
| 221 |
public Icon getIcon() { |
| 222 |
return PluginServices.getIconTheme().get("blank-icon"); |
| 223 |
} |
| 224 |
|
| 225 |
/*
|
| 226 |
* (non-Javadoc)
|
| 227 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getOrder()
|
| 228 |
*/
|
| 229 |
public int getOrder() { |
| 230 |
return 0; |
| 231 |
} |
| 232 |
|
| 233 |
/*
|
| 234 |
* (non-Javadoc)
|
| 235 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getText()
|
| 236 |
*/
|
| 237 |
public String getText() { |
| 238 |
return PluginServices.getText(this, "principal_components"); |
| 239 |
} |
| 240 |
|
| 241 |
/*
|
| 242 |
* (non-Javadoc)
|
| 243 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#isEnabled(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])
|
| 244 |
*/
|
| 245 |
public boolean isEnabled(ITocItem item, FLayer[] selectedItems) { |
| 246 |
if ((selectedItems == null) || (selectedItems.length != 1)) |
| 247 |
return false; |
| 248 |
|
| 249 |
if (!(selectedItems[0] instanceof ILayerState)) |
| 250 |
return false; |
| 251 |
|
| 252 |
if (!((ILayerState) selectedItems[0]).isOpen()) |
| 253 |
return false; |
| 254 |
|
| 255 |
return true; |
| 256 |
} |
| 257 |
|
| 258 |
/*
|
| 259 |
* (non-Javadoc)
|
| 260 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#isVisible(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])
|
| 261 |
*/
|
| 262 |
public boolean isVisible(ITocItem item, FLayer[] selectedItems) { |
| 263 |
if ((selectedItems == null) || (selectedItems.length != 1)) |
| 264 |
return false; |
| 265 |
|
| 266 |
if (!(selectedItems[0] instanceof FLyrRasterSE)) |
| 267 |
return false; |
| 268 |
|
| 269 |
return true; |
| 270 |
} |
| 271 |
|
| 272 |
/*
|
| 273 |
* (non-Javadoc)
|
| 274 |
* @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getGroupOrder()
|
| 275 |
*/
|
| 276 |
public int getGroupOrder() { |
| 277 |
return 0; |
| 278 |
} |
| 279 |
} |