gvsig-vectorediting / org.gvsig.vectorediting.offset / trunk / org.gvsig.vectorediting.offset / org.gvsig.vectorediting.offset.lib / org.gvsig.vectorediting.offset.lib.prov / org.gvsig.vectorediting.offset.lib.prov.offset / src / main / java / org / gvsig / vectorediting / offset / lib / prov / offset / OffsetEditingProvider.java @ 600
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2014 gvSIG Association
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.vectorediting.offset.lib.prov.offset; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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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.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryException; |
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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.aggregate.Aggregate; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Arc; |
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import org.gvsig.fmap.geom.primitive.Circle; |
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import org.gvsig.fmap.geom.primitive.Circumference; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Ellipse; |
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import org.gvsig.fmap.geom.primitive.FilledSpline; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.PeriEllipse; |
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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.primitive.Spline; |
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import org.gvsig.fmap.geom.primitive.Surface; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.i18n.I18nManager; |
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import org.gvsig.tools.service.spi.ProviderServices; |
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import org.gvsig.vectorediting.lib.api.DrawingStatus; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE; |
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import org.gvsig.vectorediting.lib.api.exceptions.DrawServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.FinishServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.InvalidEntryException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StartServiceException; |
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import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider; |
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import org.gvsig.vectorediting.lib.spi.DefaultDrawingStatus; |
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import org.gvsig.vectorediting.lib.spi.DefaultEditingServiceParameter; |
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import org.gvsig.vectorediting.lib.spi.EditingProvider; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderFactory; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderLocator; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderManager; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderServices; |
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public class OffsetEditingProvider extends AbstractEditingProvider implements |
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EditingProvider {
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private final Double PRECISION = new Double(1.0e-5); |
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private I18nManager i18nManager = ToolsLocator.getI18nManager();
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private EditingServiceParameter selectionParameter;
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private EditingServiceParameter offsetParameter;
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private EditingServiceParameter deleteOriginalGeometriesParameter;
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private boolean deleteOriginalGeometries = false; |
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private Map<EditingServiceParameter, Object> values; |
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private Map<String, String> options; |
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private FeatureStore featureStore;
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public OffsetEditingProvider(ProviderServices providerServices, DynObject parameters) {
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super(providerServices);
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this.featureStore = (FeatureStore) parameters.getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD);
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this.selectionParameter =
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new DefaultEditingServiceParameter("selection", |
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i18nManager.getTranslation("selection"), TYPE.SELECTION);
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this.offsetParameter =
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new DefaultEditingServiceParameter("offset_distance", |
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i18nManager.getTranslation("offset_distance"),
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TYPE.POSITION, TYPE.VALUE); |
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this.options = new LinkedHashMap<String, String>(); |
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options.put(i18nManager.getTranslation("short_yes"),
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"delete_original_geometries");
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options.put(i18nManager.getTranslation("short_no"),
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"keep_original_geometries");
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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String consoleMsg =
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editingProviderServices.makeConsoleMessage( |
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"delete_original_geometries_question", options);
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this.deleteOriginalGeometriesParameter =
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new DefaultEditingServiceParameter("Delete original geometries", |
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consoleMsg, options, TYPE.OPTION); |
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} |
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public EditingServiceParameter next() {
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if (values.get(selectionParameter) == null) { |
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return selectionParameter;
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} else if (values.get(offsetParameter) == null) { |
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return offsetParameter;
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} else if (values.get(deleteOriginalGeometriesParameter) == null) { |
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return this.deleteOriginalGeometriesParameter; |
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} |
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return null; |
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} |
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public DrawingStatus getDrawingStatus(Point mousePosition) throws DrawServiceException { |
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DefaultDrawingStatus drawingStatus = new DefaultDrawingStatus();
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EditingProviderManager editingProviderManager = |
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EditingProviderLocator.getProviderManager(); |
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// ISymbol auxiliaryLineSymbolEditing = editingProviderManager.getSymbol("auxiliary-line-symbol-editing");
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ISymbol auxiliaryPointSymbolEditing = editingProviderManager.getSymbol("auxiliary-point-symbol-editing");
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ISymbol lineSymbolEditing = editingProviderManager.getSymbol("line-symbol-editing");
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ISymbol polygonSymbolEditing = editingProviderManager.getSymbol("polygon-symbol-editing");
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FeatureSelection selected = |
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(FeatureSelection) values.get(selectionParameter); |
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try {
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if ((selected != null) && !selected.isEmpty()) { |
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Point point = null; |
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double distance = 0.0; |
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Object offsetValue = values.get(offsetParameter);
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if (offsetValue != null){ |
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if (offsetValue instanceof Point) { |
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point = (Point) offsetValue;
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} else {
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distance = (Double) offsetValue;
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} |
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} else {
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point = mousePosition; |
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distance = getMinDistance(selected, point); |
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} |
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DisposableIterator it; |
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it = selected.fastIterator(); |
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while (it.hasNext()) {
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Feature feat = (Feature) it.next(); |
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Geometry transformedGeometry = feat.getDefaultGeometry().offset(distance); |
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ISymbol symbol = null;
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if (transformedGeometry instanceof Curve || transformedGeometry instanceof MultiCurve) { |
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symbol = lineSymbolEditing; |
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} else if (transformedGeometry instanceof Surface || transformedGeometry instanceof MultiSurface) { |
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symbol = polygonSymbolEditing; |
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} else if (transformedGeometry instanceof Point || transformedGeometry instanceof MultiPoint) { |
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symbol = auxiliaryPointSymbolEditing; |
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} |
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if (transformedGeometry instanceof Aggregate) { |
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int primitivesNumber = ((Aggregate) transformedGeometry).getPrimitivesNumber();
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for (int i = 0; i < primitivesNumber; i++) { |
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drawingStatus.addStatus(((Aggregate) transformedGeometry).getPrimitiveAt(i), symbol, "");
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} |
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} else {
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drawingStatus.addStatus(transformedGeometry, symbol, "");
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} |
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} |
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it.dispose(); |
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} |
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return drawingStatus;
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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} |
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/**
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* @param selected
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* @param point
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* @return
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* @throws DataException
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* @throws GeometryOperationException
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* @throws GeometryOperationNotSupportedException
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* @throws GeometryException
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*/
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private double getMinDistance(FeatureSelection selected, Point point) throws DataException, GeometryOperationNotSupportedException, GeometryOperationException, GeometryException { |
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double minorDistance=Double.POSITIVE_INFINITY; |
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DisposableIterator it; |
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it = selected.fastIterator(); |
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while (it.hasNext()) {
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Feature feat = (Feature) it.next(); |
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Geometry geometry = feat.getDefaultGeometry(); |
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double distance = getDistance(geometry, point);
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if(distance < minorDistance){
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minorDistance = distance; |
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} |
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} |
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it.dispose(); |
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return minorDistance;
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} |
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/**
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* @param geometry
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* @param point
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* @return
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* @throws GeometryOperationException
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* @throws GeometryOperationNotSupportedException
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* @throws GeometryException
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*/
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private double getDistance(Geometry geometry, Point point) throws GeometryOperationNotSupportedException, GeometryOperationException, GeometryException { |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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if(geometry instanceof Arc){ |
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Arc arc = (Arc)geometry; |
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Point center = arc.getCenterPoint();
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double radius = center.distance(arc.getInitPoint());
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double distance = center.distance(point)-radius;
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return distance;
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} |
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if(geometry instanceof Circle){ |
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Circle circle = (Circle)geometry; |
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return circle.getCenter().distance(point)-circle.getRadious();
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} |
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if(geometry instanceof Circumference){ |
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Circumference circumference = (Circumference)geometry; |
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return circumference.getCenter().distance(point)-circumference.getRadious();
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} |
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if(geometry instanceof PeriEllipse){ |
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double minDistance = Double.POSITIVE_INFINITY; |
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PeriEllipse ellipse = (PeriEllipse)geometry; |
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Geometry[] closestPoints = point.closestPoints(ellipse);
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if (closestPoints!=null){ |
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for (int i = 0; i < closestPoints.length; i++) { |
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Geometry closestPoint = closestPoints[i]; |
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if (!point.equals(closestPoint)) {
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double distance = closestPoint.distance(point);
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if (distance < minDistance) {
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minDistance = distance; |
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} |
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} |
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} |
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} |
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Ellipse auxEllipse = (Ellipse)geomManager.create(Geometry.TYPES.ELLIPSE, geometry.getGeometryType().getSubType()); |
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auxEllipse.setPoints(ellipse.getAxis1Start(), ellipse.getAxis1End(), ellipse.getAxis2Dist()); |
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if(auxEllipse.contains(point)){
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return -minDistance;
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} |
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return minDistance;
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} |
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if(geometry instanceof Ellipse){ |
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Ellipse ellipse = (Ellipse)geometry; |
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PeriEllipse auxPeriEllipse = (PeriEllipse)geomManager.create(Geometry.TYPES.PERIELLIPSE, geometry.getGeometryType().getSubType()); |
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auxPeriEllipse.setPoints(ellipse.getAxis1Start(), ellipse.getAxis1End(), ellipse.getAxis2Dist()); |
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double distance = getDistance(auxPeriEllipse, point);
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// if(ellipse.contains(point)){
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// return -distance;
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// }
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return distance;
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} |
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if(geometry instanceof Spline || geometry instanceof FilledSpline ){ |
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return getDistance(geometry.toLines().getPrimitiveAt(0), point); |
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} |
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if(geometry instanceof Line){ |
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Line line = (Line)geometry; |
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double minDistance = Double.POSITIVE_INFINITY; |
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Geometry[] closestPoints = point.closestPoints(line);
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Point closestPoint = null; |
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if (closestPoints!=null){ |
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for (int i=0;i<closestPoints.length;i++){ |
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Point p=(Point)closestPoints[i]; |
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if (!point.equals(p)) {
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double distance = p.distance(point);
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if (distance < minDistance) {
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minDistance = distance; |
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closestPoint = p; |
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} |
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} |
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} |
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} |
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if(closestPoint != null){ |
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for(int i=0; i<line.getNumVertices()-1; i++){ |
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Line segment = (Line) geomManager.create(Geometry.TYPES.LINE, geometry.getGeometryType().getSubType()); |
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segment.addVertex(line.getVertex(i)); |
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segment.addVertex(line.getVertex(i+1));
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if(segment.isWithinDistance(closestPoint, PRECISION)){
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if(line.getVertex(0).equals(line.getVertex(line.getNumVertices()-1))){ //isClosed |
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if(line.toPolygons().contains(point)){
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return -minDistance;
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}; |
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return minDistance;
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} else {
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return getDirectedDistance(closestPoint, point, segment);
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} |
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} |
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} |
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} |
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} |
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if(geometry instanceof Polygon){ |
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Polygon polygon = (Polygon)geometry; |
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if(!polygon.contains(point)){
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double minDistance = Double.POSITIVE_INFINITY; |
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Geometry[] closestPoints = point.closestPoints(polygon);
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Point closestPoint = null; |
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if (closestPoints!=null){ |
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for (int i=0;i<closestPoints.length;i++){ |
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Point p=(Point)closestPoints[i]; |
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if (!point.equals(p)) {
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double distance = p.distance(point);
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if (distance < minDistance) {
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minDistance = distance; |
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closestPoint = p; |
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} |
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} |
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} |
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} |
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if(closestPoint != null){ |
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return closestPoint.distance(point);
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} |
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} else {
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Line auxLine = (Line) polygon.toLines().getPrimitiveAt(0); |
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if(auxLine!=null){ |
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return getDistance(auxLine, point);
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} |
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} |
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} |
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if(geometry instanceof Aggregate){ |
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double minDistance = Double.POSITIVE_INFINITY; |
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Aggregate aggregate2 = (Aggregate)geometry; |
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for(int i=0; i<aggregate2.getPrimitivesNumber(); i++){ |
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double distance = getDistance(aggregate2.getPrimitiveAt(i),point);
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if(distance<minDistance){
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minDistance = distance; |
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} |
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} |
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return minDistance;
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} |
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return 0.0; |
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} |
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public void stop() { |
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values.clear(); |
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} |
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private void validateAndInsertValue(EditingServiceParameter param, |
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Object value) throws InvalidEntryException { |
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if (param == selectionParameter) {
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if (value instanceof FeatureSelection) { |
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values.put(param, value); |
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return;
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} |
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} else if (param == offsetParameter) { |
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if (value instanceof Point) { |
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try {
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values.put(param, getMinDistance((FeatureSelection) values.get(selectionParameter), (Point) value));
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} catch (Exception e) { |
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throw new InvalidEntryException(e); |
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} |
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return;
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} |
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if (value instanceof Double) { |
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values.put(param, value); |
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} |
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} else if (param == deleteOriginalGeometriesParameter) { |
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if (value instanceof String) { |
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if (((String) value).trim().equalsIgnoreCase( |
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i18nManager.getTranslation("short_yes"))) {
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deleteOriginalGeometries = true;
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} else if (((String) value).trim().equalsIgnoreCase( |
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i18nManager.getTranslation("short_no"))) {
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deleteOriginalGeometries = false;
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} else {
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throw new InvalidEntryException(null); |
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} |
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values.put(param, value); |
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} |
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} |
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|
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} |
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public List<EditingServiceParameter> getParameters() { |
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List<EditingServiceParameter> list =
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new ArrayList<EditingServiceParameter>(); |
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list.add(selectionParameter); |
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list.add(offsetParameter); |
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return list;
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} |
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public void setValue(Object value) throws InvalidEntryException { |
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EditingServiceParameter param = next(); |
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validateAndInsertValue(param, value); |
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} |
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public void finishAndStore() throws FinishServiceException { |
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FeatureSelection selected = |
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(FeatureSelection) values.get(selectionParameter); |
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try {
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if (!selected.isEmpty()) {
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double distance = (Double) values.get(offsetParameter); |
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DisposableIterator it; |
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it = selected.fastIterator(); |
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|
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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Geometry geom; |
| 444 |
try {
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geom = feature.getDefaultGeometry().offset(distance); |
| 446 |
} catch (GeometryOperationNotSupportedException e) {
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throw new FinishServiceException(e); |
| 448 |
} catch (GeometryOperationException e) {
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throw new FinishServiceException(e); |
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} |
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if (this.deleteOriginalGeometries) { |
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// Se sustituye la geometr?a original por la
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// calculada
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EditableFeature editableFeature = |
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feature.getEditable(); |
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editableFeature.setDefaultGeometry(geom); |
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((EditingProviderServices) getProviderServices()) |
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.updateFeatureInFeatureStore(editableFeature, |
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featureStore); |
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} else {
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// Se crea una feature nueva copiando los valores de
|
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// la feature original excepto aquellos que sean PK
|
| 464 |
EditingProviderServices editingProviderServices = |
| 465 |
(EditingProviderServices) getProviderServices(); |
| 466 |
EditableFeature editableFeature = |
| 467 |
editingProviderServices |
| 468 |
.getFeatureCopyWithoutPK(featureStore, |
| 469 |
feature); |
| 470 |
editableFeature.setDefaultGeometry(geom); |
| 471 |
editingProviderServices |
| 472 |
.insertFeatureIntoFeatureStore(editableFeature, |
| 473 |
featureStore); |
| 474 |
} |
| 475 |
|
| 476 |
} |
| 477 |
it.dispose(); |
| 478 |
featureStore.getFeatureSelection().deselectAll(); |
| 479 |
} |
| 480 |
} catch (DataException e) {
|
| 481 |
throw new FinishServiceException(e); |
| 482 |
} |
| 483 |
} |
| 484 |
|
| 485 |
private Double getDirectedDistance(Point pointInLine, Point distancePoint, Line line) |
| 486 |
throws GeometryOperationNotSupportedException, GeometryOperationException{
|
| 487 |
Double distance=distancePoint.distance(pointInLine);
|
| 488 |
EditingProviderServices editingProviderServices = |
| 489 |
(EditingProviderServices) getProviderServices(); |
| 490 |
Double angle = editingProviderServices.getAngle(pointInLine, distancePoint);
|
| 491 |
double angleLine = editingProviderServices.getAngle(line.getVertex(0), line.getVertex(1)); |
| 492 |
|
| 493 |
Double angleDifference=angle - angleLine;
|
| 494 |
if ( angleDifference<0 ){ |
| 495 |
angleDifference+=2*Math.PI; |
| 496 |
} |
| 497 |
if (angleDifference > Math.PI ) { |
| 498 |
distance = -distance; |
| 499 |
} |
| 500 |
return distance;
|
| 501 |
} |
| 502 |
|
| 503 |
public Geometry finish() throws FinishServiceException { |
| 504 |
return null; |
| 505 |
} |
| 506 |
|
| 507 |
public void start() throws StartServiceException { |
| 508 |
this.values = new HashMap<EditingServiceParameter, Object>(); |
| 509 |
FeatureSelection selected = null;
|
| 510 |
if (featureStore != null) { |
| 511 |
try {
|
| 512 |
selected = |
| 513 |
(FeatureSelection) featureStore.getFeatureSelection() |
| 514 |
.clone(); |
| 515 |
} catch (DataException e) {
|
| 516 |
throw new StartServiceException(e); |
| 517 |
} catch (CloneNotSupportedException e) { |
| 518 |
// Do nothing
|
| 519 |
} |
| 520 |
if ((selected != null) && (selected.getSelectedCount() > 0)) { |
| 521 |
values.put(selectionParameter, selected); |
| 522 |
} |
| 523 |
} |
| 524 |
} |
| 525 |
|
| 526 |
public String getName() { |
| 527 |
return OffsetEditingProviderFactory.PROVIDER_NAME;
|
| 528 |
} |
| 529 |
} |