svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.jts / src / main / java / org / gvsig / fmap / geom / jts / primitive / ring / Ring2DM.java @ 42464
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 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.fmap.geom.jts.primitive.ring; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.GeometryFactory; |
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import com.vividsolutions.jts.geom.LinearRing; |
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import com.vividsolutions.jts.geomgraph.Position; |
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import com.vividsolutions.jts.operation.buffer.BufferParameters; |
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import com.vividsolutions.jts.operation.buffer.OffsetCurveBuilder; |
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import org.cresques.cts.ICoordTrans; |
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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.aggregate.MultiLine; |
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import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiLine2D; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiLine2DM; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon2D; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon2DM; |
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import org.gvsig.fmap.geom.jts.primitive.curve.line.BaseLine2D; |
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import org.gvsig.fmap.geom.jts.primitive.curve.line.BaseLine2DM; |
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import org.gvsig.fmap.geom.jts.primitive.curve.line.Line2D; |
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import org.gvsig.fmap.geom.jts.primitive.curve.line.Line2DM; |
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import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon2D; |
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import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon2DM; |
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import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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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.Ring; |
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/**
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* @author fdiaz
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*
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*/
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public class Ring2DM extends BaseLine2DM implements Ring { |
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/**
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* @param subtype
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*/
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public Ring2DM() {
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super(Geometry.TYPES.RING);
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} |
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/**
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*
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*/
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public Ring2DM(Coordinate[] coordinates) { |
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super(Geometry.TYPES.RING, coordinates);
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#cloneGeometry()
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*/
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public Geometry cloneGeometry() {
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return new Ring2DM(cloneCoordinates().toCoordinateArray()); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Line#toLines()
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*/
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public MultiLine toLines() throws GeometryException { |
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MultiLine multiLine = new MultiLine2DM();
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multiLine.addPrimitive(new Line2DM(coordinates.toCoordinateArray()));
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return multiLine;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.Line#toPolygons()
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*/
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public MultiPolygon toPolygons() throws GeometryException { |
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MultiPolygon multiPolygon = new MultiPolygon2DM();
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multiPolygon.addPrimitive(new Polygon2DM(coordinates.toCoordinateArray()));
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return multiPolygon;
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()
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*/
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public com.vividsolutions.jts.geom.Geometry getJTS() {
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return JTSUtils.createJTSLinearRing(coordinates);
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#offset(double)
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*/
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public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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com.vividsolutions.jts.geom.LinearRing jtsRing = (LinearRing) getJTS(); |
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GeometryFactory factory = jtsRing.getFactory(); |
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BufferParameters bufParams = JTSUtils.getBufferParameters(); |
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OffsetCurveBuilder ocb = new OffsetCurveBuilder(factory.getPrecisionModel(), bufParams);
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Coordinate[] coordinates = jtsRing.getCoordinates();
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Coordinate[] coords = ocb.getRingCurve(coordinates, Position.LEFT, distance); // .getOffsetCurve(coordinates, |
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return new Ring2DM(coords); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.jts.primitive.curve.line.AbstractLine#reProject(org.cresques.cts.ICoordTrans)
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*/
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@Override
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public void reProject(ICoordTrans ct) { |
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super.reProject(ct);
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if (coordinates.size()>=2 && !isClosed()) { |
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closePrimitive(); |
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} |
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} |
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} |