root / trunk / extensions / extGeoprocessingExtensions / src / com / iver / cit / gvsig / geoprocess / impl / reproject / fmap / ReprojectGeoprocess.java @ 6179
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/*
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* Created on 03-jul-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: ReprojectGeoprocess.java 6179 2006-07-04 16:43:18Z azabala $
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* $Log$
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* Revision 1.2 2006-07-04 16:43:18 azabala
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* *** empty log message ***
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*
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* Revision 1.1 2006/07/03 20:28:38 azabala
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* *** empty log message ***
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*
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*
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*/
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package com.iver.cit.gvsig.geoprocess.impl.reproject.fmap; |
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import java.util.Map; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.cts.gt2.CoordSys; |
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import org.cresques.cts.gt2.CoordTrans; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.andami.PluginServices; |
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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.drivers.DriverIOException; |
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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.edition.EditionException; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData; |
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import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor; |
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import com.iver.cit.gvsig.fmap.operations.strategies.Strategy; |
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import com.iver.cit.gvsig.fmap.operations.strategies.StrategyManager; |
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import com.iver.cit.gvsig.fmap.operations.strategies.VisitException; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.AbstractGeoprocess; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.DefinitionUtils; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.FeatureFactory; |
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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.utiles.swing.threads.AbstractMonitorableTask; |
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import com.iver.utiles.swing.threads.IMonitorableTask; |
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public class ReprojectGeoprocess extends AbstractGeoprocess { |
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/**
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* Schema of the result layer
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*/
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private ILayerDefinition resultLayerDefinition;
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/**
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* flag to only clip selection of input layer
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*/
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private boolean onlyInputLayerSelection = false; |
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/**
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* Processes features (writing them)
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*/
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FeaturePersisterProcessor2 processor; |
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/**
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* Target projection for features of the input layer
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*/
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private IProjection targetProjection;
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ReprojectTask task = null;
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public ReprojectGeoprocess() {
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super();
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} |
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public void setFirstLayer(FLyrVect inputLayer){ |
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this.firstLayer = inputLayer;
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} |
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public void setParameters(Map params) throws GeoprocessException { |
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Boolean firstLayerSelection = (Boolean) params |
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.get("firstlayerselection");
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if (firstLayerSelection != null) |
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this.onlyInputLayerSelection = firstLayerSelection.booleanValue();
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this.targetProjection = (IProjection) params.get("targetProjection"); |
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} |
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public void checkPreconditions() throws GeoprocessException { |
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if (this.writer == null || this.schemaManager == null) { |
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throw new GeoprocessException( |
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"Operacion de reproyecci?n sin especificar capa de resultados");
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} |
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if (this.targetProjection == null) |
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throw new GeoprocessException( |
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"Geoproceso reproyecci?n sin proyecci?n destino");
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} |
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public void process() throws GeoprocessException { |
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try {
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createTask().run(); |
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} catch (Exception e) { |
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throw new GeoprocessException( |
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"Error durante ejecuci?n del geoproceso", e);
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} |
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} |
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public ILayerDefinition createLayerDefinition() {
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if (resultLayerDefinition == null) { |
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try {
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resultLayerDefinition = DefinitionUtils |
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.createLayerDefinition(super.firstLayer);
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (com.iver.cit.gvsig.fmap.DriverException 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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return resultLayerDefinition;
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} |
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class ReprojectVisitor implements FeatureVisitor { |
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FeaturePersisterProcessor2 processor; |
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SelectableDataSource recordset; |
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ILayerDefinition layerDefinition; |
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FBitSet selection; |
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ICoordTrans ct; |
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ReprojectVisitor(ILayerDefinition layerDefinition, |
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FeaturePersisterProcessor2 processor, FBitSet selection, |
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ICoordTrans coordTrans) {
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this.layerDefinition = layerDefinition;
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this.processor = processor;
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this.selection = selection;
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this.ct = coordTrans;
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} |
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public void visit(IGeometry g, int index) throws VisitException { |
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if (g == null) |
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return;
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if (selection != null) { |
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if (!selection.get(index))
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return;
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}// if
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g.reProject(ct); |
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IFeature feature = null;
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try {
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feature = createFeature(g, index); |
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} catch (DriverException e) {
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throw new VisitException("Error al crear al reproyectar "+index, e); |
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} |
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processor.processFeature(feature); |
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} |
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public String getProcessDescription() { |
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return ""; |
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} |
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public void stop(FLayer layer) { |
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processor.finish(); |
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} |
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public boolean start(FLayer layer) { |
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if (layer instanceof AlphanumericData |
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&& layer instanceof VectorialData) {
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try {
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this.recordset = ((AlphanumericData) layer).getRecordset();
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this.processor.start();
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} catch (EditionException e) {
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return false; |
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} catch (com.iver.cit.gvsig.fmap.DriverException e) {
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return false; |
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} |
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return true; |
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} |
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return false; |
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} |
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private IFeature createFeature(IGeometry geometry, int layerIndex) |
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throws DriverException,
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com.hardcode.gdbms.engine.data.driver.DriverException {
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IFeature solution = null;
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FieldDescription[] fields = layerDefinition.getFieldsDesc();
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Value[] featureAttr = new Value[fields.length]; |
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int numFields = recordset.getFieldCount();
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for (int indexField = 0; indexField < numFields; indexField++) { |
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// for each field of firstRs
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String fieldName = recordset.getFieldName(indexField);
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for (int j = 0; j < fields.length; j++) { |
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if (fieldName.equalsIgnoreCase(fields[j].getFieldName())) {
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featureAttr[j] = recordset.getFieldValue(layerIndex, |
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indexField); |
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break;
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}// if
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}// for
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}// for
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// now we put null values
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for (int i = 0; i < featureAttr.length; i++) { |
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if (featureAttr[i] == null) |
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featureAttr[i] = ValueFactory.createNullValue(); |
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} |
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solution = FeatureFactory.createFeature(featureAttr, geometry); |
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return solution;
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} |
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} |
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class ReprojectTask extends AbstractMonitorableTask { |
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private ReprojectTask() {
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setInitialStep(0);
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try {
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if (onlyInputLayerSelection) {
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int numSelected = firstLayer.getRecordset().getSelection()
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.cardinality(); |
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setFinalStep(numSelected); |
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} else {
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int numShapes = firstLayer.getSource().getShapeCount();
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setFinalStep(numShapes); |
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}// else
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} catch (com.iver.cit.gvsig.fmap.DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (DriverIOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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setDeterminatedProcess(true);
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setStatusMessage(PluginServices.getText(this,
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"XYShift._Progress_Message"));
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} |
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public void run() throws Exception { |
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processor = |
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new FeaturePersisterProcessor2(writer);
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FBitSet selection = null;
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if(onlyInputLayerSelection)
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selection = firstLayer.getRecordset().getSelection(); |
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IProjection from = firstLayer.getProjection(); |
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IProjection to = targetProjection; |
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ICoordTrans ct = new CoordTrans((CoordSys) from, (CoordSys) to);
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ReprojectVisitor visitor = new ReprojectVisitor(resultLayerDefinition,
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processor, selection, ct); |
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Strategy strategy = StrategyManager.getStrategy(firstLayer); |
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try {
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strategy.process(visitor, this);
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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// TODO INTERNACIONALIZAR LOS MENSAJES
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public String getNote() { |
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return "Reproyectando features..." + " " + getCurrentStep() + " " |
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+ "de" + " " + getFinishStep(); |
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} |
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public void cancel() { |
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setCanceled(true);
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ReprojectGeoprocess.this.cancel(); |
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} |
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} |
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public IMonitorableTask createTask() {
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if(task == null) |
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task = new ReprojectTask();
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return task;
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} |
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} |