gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.circlecr / src / main / java / org / gvsig / vectorediting / lib / prov / circlecr / Circumference2Tg1PEditingProvider.java @ 2109
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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.lib.prov.circlecr; |
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import java.awt.geom.Point2D; |
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import java.util.Objects; |
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import org.gvsig.euclidean.EuclideanLine2D; |
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import org.gvsig.euclidean.EuclideanManager; |
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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.aggregate.MultiCurve; |
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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.Point; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.service.spi.ProviderServices; |
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import org.gvsig.tools.util.ToolsUtilLocator; |
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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.spi.DefaultDrawingStatus; |
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import org.gvsig.vectorediting.lib.spi.EditingProvider; |
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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 Circumference2Tg1PEditingProvider extends Circle2Tg1PEditingProvider |
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implements EditingProvider {
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public Circumference2Tg1PEditingProvider(ProviderServices providerServices,
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DynObject parameters) {
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super(providerServices, parameters);
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} |
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public DefaultDrawingStatus getDrawingStatus(Point mousePosition) |
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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 polygonSymbolEditing = editingProviderManager.getSymbol("polygon-symbol-editing");
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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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EuclideanManager euclideanManager = ToolsUtilLocator.getEuclideanManager(); |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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EditingProviderServices editingProviderServices |
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= (EditingProviderServices) getProviderServices(); |
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if (values != null) { |
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Point firstPointValue = (Point) values.get(firstPoint); |
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Point secondPointValue = (Point) values.get(secondPoint); |
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Point thirdPointValue = (Point) values.get(thirdPoint); |
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Point fourthPointValue = (Point) values.get(fourthPoint); |
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Point fifthPointValue = (Point) values.get(fifthPoint); |
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if (firstPointValue != null && secondPointValue == null) { |
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try {
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int subtype = editingProviderServices.getSubType(featureStore);
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drawingStatus.addStatus(firstPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(mousePosition, auxiliaryPointSymbolEditing, "");
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Curve line = |
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editingProviderServices.createLine(firstPointValue, |
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mousePosition, subtype); |
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drawingStatus.addStatus(line, auxiliaryLineSymbolEditing, "");
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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} else if (firstPointValue != null && secondPointValue != null && thirdPointValue == null) { |
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try {
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int subtype = editingProviderServices.getSubType(featureStore);
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Curve line1 = |
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editingProviderServices.createLine(firstPointValue, |
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secondPointValue, subtype); |
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drawingStatus.addStatus(line1, auxiliaryLineSymbolEditing, "");
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drawingStatus.addStatus(mousePosition, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(firstPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(secondPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(mousePosition, auxiliaryPointSymbolEditing, "");
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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} else if (firstPointValue != null && secondPointValue != null && thirdPointValue != null && fourthPointValue == null) { |
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try {
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int subtype = editingProviderServices.getSubType(featureStore);
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Curve line1 = |
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editingProviderServices.createLine(firstPointValue, |
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secondPointValue, subtype); |
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drawingStatus.addStatus(line1, auxiliaryLineSymbolEditing, "");
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Curve line = |
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editingProviderServices.createLine(thirdPointValue, |
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mousePosition, subtype); |
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drawingStatus.addStatus(line, auxiliaryLineSymbolEditing, "");
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drawingStatus.addStatus(firstPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(secondPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(thirdPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(mousePosition, auxiliaryPointSymbolEditing, "");
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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} else if (firstPointValue != null && secondPointValue != null && thirdPointValue != null && fourthPointValue != null && fifthPointValue == null) { |
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try {
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int subtype = editingProviderServices.getSubType(featureStore);
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//Draw tangents
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Curve line1 |
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= editingProviderServices.createLine(firstPointValue, |
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secondPointValue, subtype); |
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drawingStatus.addStatus(line1, auxiliaryLineSymbolEditing, "");
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Curve line2 = |
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editingProviderServices.createLine(thirdPointValue, |
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fourthPointValue, subtype); |
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drawingStatus.addStatus(line2, auxiliaryLineSymbolEditing, "");
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//Draw circle
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Circle circle |
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= editingProviderServices.createCircle( |
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firstPointValue, |
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secondPointValue, |
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thirdPointValue, |
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fourthPointValue, |
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mousePosition, |
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subtype); |
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Circumference circumference = (Circumference) geomManager.create(CIRCUMFERENCE, subtype); |
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circumference.setPoints(circle.getCenter(), circle.getRadious()); |
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drawingStatus.addStatus(circle, auxiliaryLineSymbolEditing, "");
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Point center = circle.getCenter();
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//Draw the first four points
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drawingStatus.addStatus(firstPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(secondPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(thirdPointValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(fourthPointValue, auxiliaryPointSymbolEditing, "");
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EuclideanLine2D tangent1 = euclideanManager.createLine2D(firstPointValue.getX(), firstPointValue.getY(), secondPointValue.getX(), secondPointValue.getY()); |
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EuclideanLine2D tangent2 = euclideanManager.createLine2D(thirdPointValue.getX(), thirdPointValue.getY(), fourthPointValue.getX(), fourthPointValue.getY()); |
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if (tangent1.isParallel(tangent2)) {
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if (Objects.equals(tangent1.getYIntercept(), tangent2.getYIntercept())) { //Same lines |
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//Draw line between mouse position and tangent1
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EuclideanLine2D perp = tangent1.getPerpendicular(mousePosition.getX(), mousePosition.getY()); |
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Point2D intersection = tangent1.getIntersection(perp);
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drawingStatus.addStatus( |
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editingProviderServices.createLine( |
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mousePosition.getX(), |
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mousePosition.getY(), |
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intersection.getX(), |
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intersection.getY(), |
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subtype |
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), auxiliaryLineSymbolEditing, "");
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} |
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} else {
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//Draw line between center and intersection tangents (bisector passing through the center)
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Point2D intersectionTangents = tangent1.getIntersection(tangent2);
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drawingStatus.addStatus( |
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editingProviderServices.createLine( |
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intersectionTangents.getX(), |
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intersectionTangents.getY(), |
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center.getX(), |
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center.getY(), |
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subtype |
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), |
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auxiliaryLineSymbolEditing, |
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"");
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drawingStatus.addStatus( |
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geomManager.createPoint( |
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intersectionTangents.getX(), |
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intersectionTangents.getY(), |
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subtype |
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), |
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auxiliaryPointSymbolEditing, "");
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//Draw perpendicular bisectors passing through the center
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EuclideanLine2D[] bisectors = tangent1.getBisectors(tangent2);
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double distance0 = bisectors[0].getDistance(mousePosition.getX(), mousePosition.getY()); |
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double distance1 = bisectors[1].getDistance(mousePosition.getX(), mousePosition.getY()); |
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EuclideanLine2D bisector = bisectors[0];
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if (distance0 > distance1) {
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bisector = bisectors[1];
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} |
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EuclideanLine2D perp = bisector.getPerpendicular(mousePosition.getX(), mousePosition.getY()); |
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Point2D intersection;
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if(Double.isInfinite(perp.getSlope())){ |
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intersection = new Point2D.Double( |
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mousePosition.getX(), |
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center.getY()); |
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} else {
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intersection = bisector.getIntersection(perp); |
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} |
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drawingStatus.addStatus( |
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editingProviderServices.createLine( |
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intersection.getX(), |
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intersection.getY(), |
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center.getX(), |
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center.getY(), |
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subtype |
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), |
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auxiliaryLineSymbolEditing, |
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"");
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} |
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//Draw line between mouse position and center
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drawingStatus.addStatus( |
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editingProviderServices.createLine( |
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mousePosition, |
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center, |
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subtype), |
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auxiliaryLineSymbolEditing, "");
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//Draw normal lines (perpendicular to the tangents passing through the center)
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EuclideanLine2D perpA = tangent1.getPerpendicular(center.getX(), center.getY()); |
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Point intersectionA;
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if (tangent1.getSlope() == 0.0) { |
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intersectionA = editingProviderServices.createPoint(center.getX(), tangent1.getYIntercept(), subtype); |
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} else {
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Point2D intersection = tangent1.getIntersection(perpA);
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intersectionA = editingProviderServices.createPoint(intersection.getX(), intersection.getY(), subtype); |
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} |
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drawingStatus.addStatus(intersectionA, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(editingProviderServices.createLine(center, intersectionA, subtype), auxiliaryLineSymbolEditing, "");
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EuclideanLine2D perpB = tangent2.getPerpendicular(center.getX(), center.getY()); |
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Point intersectionB;
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if (tangent2.getSlope() == 0.0) { |
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intersectionB = editingProviderServices.createPoint(center.getX(), tangent2.getYIntercept(), subtype); |
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} else {
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Point2D intersection = tangent2.getIntersection(perpB);
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intersectionB = editingProviderServices.createPoint(intersection.getX(), intersection.getY(), subtype); |
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} |
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drawingStatus.addStatus(intersectionB, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(editingProviderServices.createLine(center, intersectionB, subtype), auxiliaryLineSymbolEditing, "");
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//Draw point in mouse position
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drawingStatus.addStatus(mousePosition, auxiliaryPointSymbolEditing, "");
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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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return drawingStatus;
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} |
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public Geometry finish() throws FinishServiceException { |
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final GeometryManager geomManager = GeometryLocator.getGeometryManager();
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Point firstPointValue = (Point) values.get(firstPoint); |
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Point secondPointValue = (Point) values.get(secondPoint); |
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Point thirdPointValue = (Point) values.get(thirdPoint); |
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Point fourthPointValue = (Point) values.get(fourthPoint); |
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Point fifthPointValue = (Point) values.get(fifthPoint); |
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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try {
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int subtype = editingProviderServices.getSubType(featureStore);
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GeometryType storeGeomType = |
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editingProviderServices.getGeomType(featureStore); |
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Circle circle = |
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editingProviderServices.createCircle(firstPointValue, secondPointValue, thirdPointValue, fourthPointValue, fifthPointValue, subtype); |
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Circumference circumference = (Circumference) geomManager.create(CIRCUMFERENCE, subtype); |
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circumference.setPoints(circle.getCenter(), circle.getRadious()); |
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if (storeGeomType.isTypeOf(MULTICURVE)) {
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MultiCurve multicurve; |
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multicurve = |
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geomManager.createMultiCurve( |
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storeGeomType.getSubType()); |
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multicurve.addCurve((Circumference) circumference); |
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return multicurve;
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} |
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return circumference;
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} catch (Exception e) { |
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throw new FinishServiceException(e); |
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} |
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} |
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@Override
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public String getName() { |
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return Circumference2Tg1PEditingProviderFactory.PROVIDER_NAME;
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} |
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} |