gvsig-derived-geometries / org.gvsig.derivedgeometries / trunk / org.gvsig.derivedgeometries / org.gvsig.derivedgeometries.swing / org.gvsig.derivedgeometries.swing.impl / src / main / java / org / gvsig / derivedgeometries / swing / impl / processes / PointToPolygonDerivedGeometriesProcess.java @ 52
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/*
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* Copyright 2014 DiSiD Technologies S.L.L. All rights reserved.
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*
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* Project : DiSiD org.gvsig.derivedgeometries.swing.impl
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* SVN Id : $Id$
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*/
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package org.gvsig.derivedgeometries.swing.impl.processes; |
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import java.util.List; |
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import javax.swing.JOptionPane; |
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import org.cresques.cts.IProjection; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.derivedgeometries.swing.api.DerivedGeometriesParameters; |
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import org.gvsig.derivedgeometries.swing.impl.AbstractDerivedGeometriesProcess; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Polygon; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.tools.swing.api.ToolsSwingLocator; |
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import org.gvsig.tools.swing.api.threadsafedialogs.ThreadSafeDialogsManager; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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public class PointToPolygonDerivedGeometriesProcess extends |
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AbstractDerivedGeometriesProcess { |
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private static final Logger logger = LoggerFactory |
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.getLogger(PointToPolygonDerivedGeometriesProcess.class); |
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public PointToPolygonDerivedGeometriesProcess(
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DerivedGeometriesParameters parameters) { |
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super("Point to polygon process", parameters); |
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} |
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public void run() { |
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SimpleTaskStatus status = null;
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try {
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status = (SimpleTaskStatus) this.getTaskStatus();
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if (status.isCancellationRequested()) {
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status.cancel(); |
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return;
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} |
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// Get data process
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DerivedGeometriesParameters parameters = super.getParameters();
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String outputLayerName = parameters.getOutPutLayerName();
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String outputLayerPath = parameters.getOutPutLayerPath();
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int outputLayerType = parameters.getOutPutLayerType();
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boolean addLayer = parameters.getAddLayer();
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boolean createNewFeatureStore =
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parameters.getCreateNewFeatureStore(); |
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FLyrVect sourceLayer = parameters.getSourceLayer(); |
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IProjection projection = sourceLayer.getProjection(); |
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FeatureType sourceFeatureType = |
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sourceLayer.getFeatureStore().getDefaultFeatureType(); |
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List<FeatureReference> selectedFeatures =
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parameters.getSelectedFeatures(); |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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GeometryType sourceGeomType = |
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sourceLayer.getFeatureStore().getDefaultFeatureType() |
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.getDefaultGeometryAttribute().getGeomType(); |
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Polygon polygon =
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geomManager.createPolygon(sourceGeomType.getSubType()); |
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Point vertexAnt = null; |
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status.setRangeOfValues(1, selectedFeatures.size());
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// Iterate over features getting geometries to create polygon
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for (int i = 0; i < selectedFeatures.size(); i++) { |
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// Si ha sido solicitada la cancelacion de la tarea
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// la marcamos como cancelada y salimos del proceso.
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if (status.isCancellationRequested()) {
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status.cancel(); |
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return;
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} |
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// Informamos del progreso de la tarea
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status.setCurValue(i); |
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FeatureReference featureReference = selectedFeatures.get(i); |
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Geometry point = |
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featureReference.getFeature().getDefaultGeometry(); |
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if (vertexAnt == null || !vertexAnt.equals(point)) { |
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polygon.addVertex((Point) point);
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vertexAnt = (Point) point;
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} |
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} |
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// Close polygon if it is necessary
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closeSurfaceIfNecessary(polygon); |
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if (status.isCancellationRequested()) {
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status.cancel(); |
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return;
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} |
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if (createNewFeatureStore) {
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// Creating new feature store
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createNewFeatureStore(sourceFeatureType, outputLayerType, |
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outputLayerPath, projection); |
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// Set createNewFeatureStore false to avoid create new feature
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// if process is started again
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parameters.setCreateNewFeatureStore(false);
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} |
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// Open the new feature store
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FeatureStore featureStore = parameters.getFeatureStore(); |
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if (featureStore == null) { |
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featureStore = getFeatureStore(outputLayerPath, projection); |
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} |
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// Set feature store in edit mode
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setEditingMode(featureStore); |
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// Add line
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insertGeometryIntoFeauteStore(featureStore, polygon); |
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// Save changes and finish editing
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endEditingMode(featureStore); |
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if (status.isCancellationRequested()) {
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status.cancel(); |
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return;
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} |
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if (addLayer) {
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//Dispose feature store to liberate resources
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featureStore.dispose(); |
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// Add layer to MapControl
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featureStore = |
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addLayerToMapContex(outputLayerName, outputLayerPath, |
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projection); |
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parameters.setAddLayer(false);
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parameters.setFeatureStore(featureStore); |
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} |
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this.postProcess();
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} catch (Exception e) { |
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ThreadSafeDialogsManager dlgManager = |
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ToolsSwingLocator.getThreadSafeDialogsManager(); |
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dlgManager.messageDialog("_process_error", "_error", |
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JOptionPane.ERROR_MESSAGE);
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logger.info("Error in point to polygon process", e);
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if (status != null) { |
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status.abort(); |
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} |
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} finally {
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if (status != null) { |
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// Mark process as terminate if it is running.
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if (status.isRunning()) {
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status.terminate(); |
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} |
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} |
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} |
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} |
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private void postProcess() { |
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ThreadSafeDialogsManager dlgManager = |
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ToolsSwingLocator.getThreadSafeDialogsManager(); |
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String message = "_process_finished_successfully"; |
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String title = "_information"; |
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dlgManager.messageDialog(message, title, |
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JOptionPane.INFORMATION_MESSAGE);
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// Repaint mapContext to view new derived geometries added.
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getParameters().getMapControl().getMapContext().invalidate(); |
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} |
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} |