svn-gvsig-desktop / trunk / extensions / extTopology / src / com / iver / cit / gvsig / geoprocess / impl / voronoi / fmap / VoronoiGeoprocess.java @ 21293
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/*
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* Created on 10-abr-2006
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*
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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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/* CVS MESSAGES:
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*
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* $Id:
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* $Log:
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*/
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package com.iver.cit.gvsig.geoprocess.impl.voronoi.fmap; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.log4j.Logger; |
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import org.gvsig.exceptions.BaseException; |
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import org.gvsig.jts.voronoi.VoronoiAndTinInputLyr; |
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import org.gvsig.jts.voronoi.Voronoier; |
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import org.gvsig.topology.Messages; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.exceptions.visitors.StartVisitorException; |
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import com.iver.cit.gvsig.exceptions.visitors.StartWriterVisitorException; |
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import com.iver.cit.gvsig.exceptions.visitors.StopVisitorException; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
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import com.iver.cit.gvsig.fmap.drivers.ILayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.SHPLayerDefinition; |
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import com.iver.cit.gvsig.geoprocess.core.AbstractMonitorableGeoprocess; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.FeaturePersisterProcessor2; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.GeoprocessException; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.XTypes; |
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import com.iver.utiles.swing.threads.CancellableProgressTask; |
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public class VoronoiGeoprocess extends AbstractMonitorableGeoprocess { |
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private static Logger logger = Logger.getLogger(VoronoiGeoprocess.class |
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.getName()); |
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private boolean useTin; |
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private boolean useThiessen; |
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public VoronoiGeoprocess(VoronoiAndTinInputLyr inputLayer) {
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super();
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this.firstLayer = inputLayer;
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} |
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public void checkPreconditions() throws GeoprocessException { |
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if (!(firstLayer instanceof VoronoiAndTinInputLyr)) |
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throw new GeoprocessException( |
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"Geoproceso Voronoi cuya capa de entrada es incorrecta: VoronoiAndTinInputLyr");
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} |
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public ILayerDefinition createLayerDefinition() {
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ILayerDefinition resultLayerDefinition = new SHPLayerDefinition();
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resultLayerDefinition.setShapeType(XTypes.POLYGON); |
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FieldDescription[] fields = new FieldDescription[2]; |
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fields[0] = new FieldDescription(); |
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fields[0].setFieldLength(10); |
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fields[0].setFieldName("fid"); |
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fields[0].setFieldType(XTypes.BIGINT);
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fields[1] = new FieldDescription(); |
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fields[1].setFieldLength(10); |
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fields[1].setFieldDecimalCount(4); |
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fields[1].setFieldName(PluginServices.getText(this, "punto_causante")); |
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fields[1].setFieldType(XTypes.BIGINT);
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resultLayerDefinition.setFieldsDesc(fields); |
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return resultLayerDefinition;
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} |
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public void setParameters(Map params) throws GeoprocessException { |
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Boolean onlySelection = (Boolean) params.get("layer_selection"); |
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if (onlySelection != null) |
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this.operateOnlyWithSelection = onlySelection.booleanValue();
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Boolean useTinB = (Boolean) params.get("tin"); |
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if(useTinB != null) |
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useTin = useTinB.booleanValue(); |
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Boolean useThiessenB = (Boolean) params.get("thiessen"); |
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if(useThiessenB != null) |
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useThiessen = useThiessenB.booleanValue(); |
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} |
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public void process(CancellableProgressTask progressMonitor) |
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throws GeoprocessException {
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if (progressMonitor != null) { |
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initialize(progressMonitor); |
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} |
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// Prepare the result
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try {
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writer.preProcess(); |
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} catch (StartWriterVisitorException e) {
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throw new GeoprocessException(e); |
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} |
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FeaturePersisterProcessor2 featureProcessor = new FeaturePersisterProcessor2(
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writer); |
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try {
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featureProcessor.start(); |
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} catch (StartVisitorException e1) {
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throw new GeoprocessException(e1); |
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} |
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try {//todo quitar esto y hacer que devuelva un FLyrVect |
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List<IFeature> voronoiFeatures = null; |
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if(useTin){
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voronoiFeatures = Voronoier.createTIN((VoronoiAndTinInputLyr) firstLayer, operateOnlyWithSelection, "CHEW", progressMonitor);
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}else if(useThiessen){ |
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voronoiFeatures = Voronoier.createThiessen((VoronoiAndTinInputLyr) firstLayer, operateOnlyWithSelection, "CHEW", progressMonitor);
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} |
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if(progressMonitor != null){ |
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progressMonitor.setInitialStep(0);
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int numOfSteps = voronoiFeatures.size();
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progressMonitor.setFinalStep(numOfSteps); |
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progressMonitor.setDeterminatedProcess(true);
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progressMonitor.setNote(Messages.getText("saving_results"));
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progressMonitor. |
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setStatusMessage(Messages.getText("voronoi_diagram_layer_message"));
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} |
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for (int i = 0; i < voronoiFeatures.size(); i++) { |
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featureProcessor.processFeature(voronoiFeatures.get(i)); |
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if (progressMonitor != null) { |
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progressMonitor.reportStep(); |
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} |
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} |
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featureProcessor.finish(); |
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if (progressMonitor != null) { |
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progressMonitor.finished(); |
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} |
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} catch (StopVisitorException e) {
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throw new GeoprocessException( |
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"Error al finalizar el guardado de los resultados del geoproceso",
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e); |
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} catch (BaseException e) {
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throw new GeoprocessException( |
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"Error al acceder a la informacion del driver dentro del geoproceso",
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e); |
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} |
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} |
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public void initialize(CancellableProgressTask progressMonitor) |
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throws GeoprocessException {
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try {
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progressMonitor.setInitialStep(0);
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int numOfSteps = firstLayer.getSource().getShapeCount();
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progressMonitor.setFinalStep(numOfSteps); |
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progressMonitor.setDeterminatedProcess(true);
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progressMonitor.setNote(Messages.getText("voronoi_diagram_note"));
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progressMonitor.setStatusMessage(Messages |
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.getText("voronoi_diagram_layer_message"));
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} catch (ReadDriverException e) {
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throw new GeoprocessException( |
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"error accediendo al numero de features de una layer", e);
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} |
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} |
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} |