svn-gvsig-desktop / trunk / extensions / extGraph / src / org / gvsig / graph / ShortestPathExtension.java @ 35010
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. 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 Ib??ez, 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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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.graph; |
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import java.awt.BasicStroke; |
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import java.awt.Color; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.Iterator; |
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import java.util.List; |
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import javax.swing.JComponent; |
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import javax.swing.JOptionPane; |
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import org.gvsig.graph.core.GraphException; |
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import org.gvsig.graph.core.GvFlag; |
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import org.gvsig.graph.core.Network; |
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import org.gvsig.graph.core.NetworkUtils; |
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import org.gvsig.graph.gui.RouteControlPanel; |
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import org.gvsig.graph.gui.RouteReportPanel; |
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import org.gvsig.graph.solvers.OneToManySolver; |
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import org.gvsig.graph.solvers.Route; |
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import org.gvsig.graph.solvers.ShortestPathSolverAStar; |
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import org.gvsig.graph.solvers.TspSolverAnnealing; |
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import com.iver.andami.PluginServices; |
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import com.iver.andami.plugins.Extension; |
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import com.iver.andami.ui.mdiManager.IWindow; |
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import com.iver.cit.gvsig.fmap.MapContext; |
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import com.iver.cit.gvsig.fmap.MapControl; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.styles.ArrowDecoratorStyle; |
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import com.iver.cit.gvsig.fmap.core.styles.ILineStyle; |
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import com.iver.cit.gvsig.fmap.core.styles.SimpleLineStyle; |
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import com.iver.cit.gvsig.fmap.core.symbols.ArrowMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleLineSymbol; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.GraphicLayer; |
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import com.iver.cit.gvsig.fmap.layers.SingleLayerIterator; |
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import com.iver.cit.gvsig.fmap.rendering.FGraphic; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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import com.iver.cit.gvsig.util.GvSession; |
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import com.iver.utiles.Utils; |
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public class ShortestPathExtension extends Extension { |
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// public static ShortestPathSolverAStar solver = new ShortestPathSolverAStar();
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private int idSymbolLine = -1; |
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public void initialize() { |
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PluginServices.getIconTheme().registerDefault( |
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"shortest_path",
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this.getClass().getClassLoader().getResource("images/shortest_path.png") |
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); |
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} |
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public void execute(String actionCommand) { |
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View v = (View) PluginServices.getMDIManager().getActiveWindow(); |
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MapControl mapCtrl = v.getMapControl(); |
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MapContext map = mapCtrl.getMapContext(); |
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SingleLayerIterator it = new SingleLayerIterator(map.getLayers());
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while (it.hasNext())
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{ |
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FLayer aux = it.next(); |
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if (!aux.isActive())
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continue;
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Network net = (Network) aux.getProperty("network");
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if ( net != null) |
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{ |
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Route route; |
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try {
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RouteControlPanel controlPanel = (RouteControlPanel) GvSession.getInstance().get(mapCtrl, "RouteControlPanel");
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if (controlPanel != null) { |
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boolean returnToOrigin = controlPanel.isReturnToOriginSelected();
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if (returnToOrigin) {
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net.addFlag(net.getFlags()[0]);
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} |
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if (controlPanel.isTspSelected()) {
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OneToManySolver odMatrixSolver = new OneToManySolver();
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odMatrixSolver.setNetwork(net); |
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odMatrixSolver.putDestinationsOnNetwork(net.getFlags()); |
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GvFlag[] flags = net.getFlags();
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double[][] odMatrix = new double[flags.length][flags.length]; |
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for (int i=0; i < flags.length; i++) |
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{ |
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odMatrixSolver.setSourceFlag(flags[i]); |
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long t1 = System.currentTimeMillis(); |
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odMatrixSolver.calculate(); |
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long t2 = System.currentTimeMillis(); |
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System.out.println("Punto " + i + " de " + flags.length + ". " + (t2-t1) + " msecs."); |
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for (int j=0; j < flags.length; j++) |
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{ |
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long secs = Math.round(flags[j].getCost()); |
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// long meters = Math.round(flags[j].getAccumulatedLength());
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// String strAux = i + "\t" + j + "\t" + secs + "\t" + meters;
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odMatrix[i][j] = flags[j].getCost(); |
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} |
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} |
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odMatrixSolver.removeDestinationsFromNetwork(net.getFlags()); |
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TspSolverAnnealing solverTsp = new TspSolverAnnealing();
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solverTsp.setReturnToOrigin(returnToOrigin); |
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solverTsp.setStops(net.getFlags()); |
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solverTsp.setODMatrix(odMatrix); |
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GvFlag[] orderedFlags = solverTsp.calculate();
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ArrayList<GvFlag> orderedArray = new ArrayList<GvFlag>(orderedFlags.length); |
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Collections.addAll(orderedArray, orderedFlags);
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net.setFlags(orderedArray); |
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// TODO: Si ya existe el flag0, no a?adirlo al final.
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} |
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} |
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route = calculateRoute(net); |
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if (route == null) |
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return;
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List routes = (List) GvSession.getInstance().get(mapCtrl, "Route"); |
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if(routes == null){ |
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routes = new ArrayList(); |
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GvSession.getInstance().put(mapCtrl, "Route", routes);
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} |
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if (route.getFeatureList().size() == 0) |
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return;
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routes.add(route); |
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createGraphicsFrom(route.getFeatureList(), v.getMapControl()); |
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RouteReportPanel routeReport = new RouteReportPanel(route, v.getMapControl());
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PluginServices.getMDIManager().addWindow(routeReport); |
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List reportsPanels = (List) GvSession.getInstance().get(mapCtrl, "RouteReport"); |
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if(reportsPanels == null){ |
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reportsPanels = new ArrayList(); |
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GvSession.getInstance().put(mapCtrl, "RouteReport", reportsPanels);
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} |
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reportsPanels.add(routeReport); |
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if (controlPanel != null) |
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controlPanel.refresh(); |
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} catch (GraphException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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} |
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} |
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private Route calculateRoute(Network net) throws GraphException { |
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Route route = null;
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ShortestPathSolverAStar solver = new ShortestPathSolverAStar();
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solver.setNetwork(net); |
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// solver.setFielStreetName("STREET_NAM");
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String fieldStreetName = (String) net.getLayer().getProperty("network_fieldStreetName"); |
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solver.setFielStreetName(fieldStreetName); |
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route = solver.calculateRoute(); |
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if (route.getFeatureList().size() == 0) |
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{ |
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JOptionPane.showMessageDialog((JComponent) PluginServices.getMDIManager().getActiveWindow(), |
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PluginServices.getText(this, "shortest_path_not_found")); |
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} |
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return route;
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} |
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private void createGraphicsFrom(Collection featureList, MapControl mapControl) { |
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Iterator it = featureList.iterator();
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GraphicLayer graphicLayer = mapControl.getMapContext().getGraphicsLayer(); |
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// if (idSymbolLine == -1)
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{ |
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SimpleLineSymbol arrowSymbol = new SimpleLineSymbol();
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// FSymbol arrowSymbol = new FSymbol(FConstant.SYMBOL_TYPE_LINE);
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arrowSymbol.setLineWidth(3.0f);
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ILineStyle lineStyle = new SimpleLineStyle();
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ArrowDecoratorStyle arrowDecoratorStyle = new ArrowDecoratorStyle();
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ArrowMarkerSymbol marker = (ArrowMarkerSymbol) arrowDecoratorStyle.getMarker(); |
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marker.setSize(16);
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marker.setColor(Color.RED);
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arrowDecoratorStyle.setArrowMarkerCount(1);
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lineStyle.setArrowDecorator(arrowDecoratorStyle ); |
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lineStyle.setLineWidth(3.0f);
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arrowSymbol.setLineColor(Color.RED);
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arrowSymbol.setAlpha(120);
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arrowSymbol.setLineStyle(lineStyle); |
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idSymbolLine = graphicLayer.addSymbol(arrowSymbol); |
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} |
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// Para evitar hacer reallocate de los elementos de la
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// graphicList cada vez, creamos primero la lista
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// y la insertamos toda de una vez.
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ArrayList graphicsRoute = new ArrayList(); |
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while (it.hasNext()) {
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IFeature feat = (IFeature) it.next(); |
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IGeometry gAux = feat.getGeometry(); |
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FGraphic graphic = new FGraphic(gAux, idSymbolLine);
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graphic.setTag("ROUTE");
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graphicsRoute.add(graphic); |
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// graphicLayer.insertGraphic(0, graphic);
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} |
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// Lo insertamos al principio de la lista para que los
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// pushpins se dibujen despu?s.
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graphicLayer.inserGraphics(0, graphicsRoute);
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mapControl.drawGraphics(); |
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} |
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public boolean isEnabled() { |
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com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager() |
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.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 View) { |
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View v = (View) f; |
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MapContext map = v.getMapControl().getMapContext(); |
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SingleLayerIterator it = new SingleLayerIterator(map.getLayers());
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while (it.hasNext())
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{ |
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FLayer aux = it.next(); |
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if (!aux.isActive())
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continue;
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Network net = (Network) aux.getProperty("network");
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if ( net != null) |
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{ |
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int count = 0; |
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for (int i=0; i < net.getOriginaFlags().size(); i++) |
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{ |
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GvFlag flag = (GvFlag) net.getOriginaFlags().get(i); |
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if (flag.isEnabled()) count++;
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} |
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if (count > 1) return true; |
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} |
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} |
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return false; |
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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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IWindow f = PluginServices.getMDIManager() |
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.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 View) { |
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return true; |
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} |
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return false; |
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} |
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} |
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