root / branches / v2_0_0_prep / extensions / extRemoteSensing / src / org / gvsig / remotesensing / ROIFromFeaturesExtension.java @ 31496
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/* gvSIG. Sistema de Informacin Geogrfica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ibez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
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* Campus Universitario s/n
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* 02071 Alabacete
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* Spain
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*
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* +34 967 599 200
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*/
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package org.gvsig.remotesensing; |
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import javax.swing.JOptionPane; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.andami.plugins.Extension; |
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import org.gvsig.app.project.documents.view.ViewDocument; |
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import org.gvsig.app.project.documents.view.gui.DefaultViewPanel; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.DisposableIterator; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.layers.FLayers; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.raster.grid.roi.VectorialROI; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.raster.buffer.BufferFactory; |
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import org.gvsig.raster.buffer.RasterBufferInvalidException; |
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import org.gvsig.raster.grid.Grid; |
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import org.gvsig.raster.grid.GridException; |
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import org.gvsig.raster.util.RasterToolsUtil; |
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/**
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* Extensi?n para el C?lculo de Raster (Band Math)
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*
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* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
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*
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*/
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public class ROIFromFeaturesExtension extends Extension { |
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public void initialize() { |
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} |
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public void execute(String actionCommand) { |
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if (actionCommand.equals("roi_from_features")){ |
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org.gvsig.andami.ui.mdiManager.IWindow activeWindow = PluginServices.getMDIManager().getActiveWindow(); |
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//si la ventana activa es de tipo Vista
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if (activeWindow instanceof DefaultViewPanel) { |
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DefaultViewPanel view = (DefaultViewPanel) activeWindow; |
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MapContext mapContext = view.getModel().getMapContext(); |
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FLyrVect flyrVect = null;
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FLyrRasterSE flyrRaster = null;
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for (int i = 0; i < mapContext.getLayers().getActives().length; i++){ |
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if (mapContext.getLayers().getActives()[i] instanceof FLyrVect) { |
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flyrVect = (FLyrVect) mapContext.getLayers().getActives()[i]; |
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} |
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if (mapContext.getLayers().getActives()[i] instanceof FLyrRasterSE) { |
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flyrRaster = (FLyrRasterSE) mapContext.getLayers().getActives()[i]; |
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} |
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} |
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if (flyrRaster != null && flyrVect != null){ |
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Grid grid = null;
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BufferFactory dataSource = flyrRaster.getBufferFactory(); |
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int bands[]=null; |
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bands = new int [flyrRaster.getBandCount()]; |
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for(int i=0; i<flyrRaster.getBandCount();i++) { |
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bands[i]=i; |
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} |
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try {
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grid = new Grid(dataSource, bands);
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} catch (RasterBufferInvalidException e) {
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e.printStackTrace(); |
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} |
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VectorialROI roi = new VectorialROI(grid);
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DisposableIterator iterator = null;
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try {
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FeatureSelection fs = (FeatureSelection)flyrVect.getFeatureStore().getSelection(); |
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iterator = fs.iterator(); |
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boolean hasFeatures=false; |
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while (iterator.hasNext()) {
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hasFeatures=true;
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Feature feature = (Feature) iterator.next(); |
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roi.addGeometry(feature.getDefaultGeometry()); |
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} |
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if (hasFeatures){
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JOptionPane.showMessageDialog(null, |
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"Mean: "+roi.getMeanValue()+"Max: "+roi.getMaxValue()+"Min: "+roi.getMinValue(), "ROI Statistics", |
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JOptionPane.WARNING_MESSAGE);
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} |
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}catch (GridException e) {
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RasterToolsUtil.messageBoxError("error_cargar_capa", this, e); |
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} catch (DataException e) {
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RasterToolsUtil.messageBoxError("error_cargar_capa", this, e); |
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} finally {
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if (iterator != null) { |
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iterator.dispose(); |
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} |
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} |
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} |
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else{
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} |
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} |
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} |
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} |
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public boolean isEnabled() { |
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org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
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if (f == null) { |
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return false; |
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} |
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if (f.getClass() == DefaultViewPanel.class) {
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DefaultViewPanel vista = (DefaultViewPanel) f; |
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ViewDocument model = vista.getModel(); |
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MapContext mapa = model.getMapContext(); |
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FLayers layers = mapa.getLayers(); |
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for (int i = 0; i < layers.getLayersCount(); i++) { |
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if (layers.getLayer(i) instanceof FLyrRasterSE) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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public boolean isVisible() { |
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org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow(); |
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if (f == null) { |
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return false; |
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} |
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if (f instanceof DefaultViewPanel) { |
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DefaultViewPanel vista = (DefaultViewPanel) f; |
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ViewDocument model = vista.getModel(); |
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MapContext mapa = model.getMapContext(); |
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return mapa.getLayers().getLayersCount() > 0; |
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} else {
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return false; |
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} |
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} |
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} |