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 / curve / line / AbstractLine.java @ 42387
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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.curve.line; |
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import java.awt.Shape; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.PathIterator; |
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import java.util.Collections; |
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import java.util.Iterator; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import java.awt.geom.GeneralPath; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.ICoordTrans; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.exception.ReprojectionRuntimeException; |
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import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
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import org.gvsig.fmap.geom.jts.gputils.GeneralPathXIterator; |
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import org.gvsig.fmap.geom.jts.primitive.curve.AbstractCurve; |
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import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
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import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
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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.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.IGeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Point; |
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/**
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* @author fdiaz
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*
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*/
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public abstract class AbstractLine extends AbstractCurve { |
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/**
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*
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*/
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private static final long serialVersionUID = 5034197096871344597L; |
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private static final Logger logger = LoggerFactory.getLogger(AbstractLine.class); |
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protected ArrayListCoordinateSequence coordinates;
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protected PointJTS anyVertex;
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/**
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*
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*/
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protected AbstractLine(int subtype) { |
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super(Geometry.TYPES.LINE, subtype);
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} |
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/**
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* @param type
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* @param subtype
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*/
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public AbstractLine(int type, int subtype) { |
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super(type, subtype);
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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.createJTSLineString(coordinates);
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(org.gvsig
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* .fmap.geom.primitive.Point)
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*/
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public void addVertex(Point point) { |
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point = fixPoint(point); |
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coordinates.add(((PointJTS) point).getJTSCoordinate()); |
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anyVertex = (PointJTS) point; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.primitive.Curve#setPoints(org.gvsig.fmap.geom.primitive
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* .Point, org.gvsig.fmap.geom.primitive.Point)
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*/
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public void setPoints(Point initialPoint, Point endPoint) { |
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initialPoint = fixPoint(initialPoint); |
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endPoint = fixPoint(endPoint); |
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coordinates.clear(); |
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addVertex(initialPoint); |
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addVertex(endPoint); |
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} |
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/**
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* @param initialPoint
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* @return
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*/
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protected abstract Point fixPoint(Point point); |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int,
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* int)
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*/
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public double getCoordinateAt(int index, int dimension) { |
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return coordinates.getOrdinate(index, dimension);
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.primitive.OrientablePrimitive#setCoordinateAt(int,
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* int, double)
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*/
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public void setCoordinateAt(int index, int dimension, double value) { |
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coordinates.setOrdinate(index, dimension, value); |
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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.primitive.OrientablePrimitive#removeVertex(int)
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*/
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public void removeVertex(int index) { |
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coordinates.remove(index); |
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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.primitive.OrientablePrimitive#getNumVertices()
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*/
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public int getNumVertices() { |
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return coordinates.size();
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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.primitive.OrientablePrimitive#insertVertex(int,
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* org.gvsig.fmap.geom.primitive.Point)
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*/
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public void insertVertex(int index, Point p) { |
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p = fixPoint(p); |
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coordinates.add(index, ((PointJTS) p).getJTSCoordinate()); |
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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.primitive.OrientablePrimitive#setVertex(int,
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* org.gvsig.fmap.geom.primitive.Point)
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*/
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public void setVertex(int index, Point p) { |
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p = fixPoint(p); |
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coordinates.set(index, ((PointJTS) p).getJTSCoordinate()); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.primitive.OrientablePrimitive#setGeneralPath(org.
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* gvsig.fmap.geom.primitive.GeneralPathX)
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*/
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public void setGeneralPath(GeneralPathX generalPathX) { |
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PathIterator it = generalPathX.getPathIterator(null); |
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double[] segment = new double[6]; |
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int i = 0; |
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while(!it.isDone()){
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int type = it.currentSegment(segment);
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if(i==0){ |
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switch (type) {
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case IGeneralPathX.SEG_MOVETO:
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Point p = new Point2D(segment[0], segment[1]); |
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p = fixPoint(p); |
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coordinates.add(((PointJTS)p).getJTSCoordinate()); |
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break;
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default:
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String message = StringUtils.replace("Type of segment %(segment)s isn't SEG_MOVETO.","%(segment)s",String.valueOf(i)); |
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logger.warn(message); |
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throw new RuntimeException(message); |
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} |
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} else {
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//Dudo de que los casos SEG_QUADTO y SEG_CUBICTO est?n bien pero se hac?a lo mismo en la librer?a de geometr?as vieja.
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Point p;
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switch (type) {
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case IGeneralPathX.SEG_LINETO:
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p = new Point2D(segment[0], segment[1]); |
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p = fixPoint(p); |
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coordinates.add(((PointJTS)p).getJTSCoordinate()); |
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break;
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case IGeneralPathX.SEG_QUADTO:
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for (int j = 0; j <= 1; j++) { |
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p = new Point2D(segment[i], segment[i+1]); |
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p = fixPoint(p); |
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coordinates.add(((PointJTS) p).getJTSCoordinate()); |
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} |
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break;
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case IGeneralPathX.SEG_CUBICTO:
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for (int j = 0; j <= 2; j++) { |
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p = new Point2D(segment[i], segment[i+1]); |
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p = fixPoint(p); |
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coordinates.add(((PointJTS) p).getJTSCoordinate()); |
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} |
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break;
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case IGeneralPathX.SEG_CLOSE:
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coordinates.add(coordinates.get(0));
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break;
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default:
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String message = StringUtils.replace("The general path has a gap in segment %(segment)s.","%(segment)s",String.valueOf(i)); |
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logger.warn(message); |
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throw new RuntimeException(message); |
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} |
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} |
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it.next(); |
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i++; |
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.primitive.OrientablePrimitive#addMoveToVertex(org
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* .gvsig.fmap.geom.primitive.Point)
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*/
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public void addMoveToVertex(Point point) { |
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notifyDeprecated("Calling deprecated metohd addMoveToVertex in Line");
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throw new UnsupportedOperationException(); |
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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.primitive.OrientablePrimitive#closePrimitive()
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*/
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public void closePrimitive() { |
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if (!coordinates.isEmpty() && !coordinates.get(0).equals(coordinates.get(coordinates.size()-1))) { |
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coordinates.add((Coordinate)coordinates.get(0).clone());
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.primitive.OrientablePrimitive#ensureCapacity(int)
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*/
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public void ensureCapacity(int capacity) { |
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this.coordinates.ensureCapacity(capacity);
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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.Geometry#reProject(org.cresques.cts.ICoordTrans)
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*/
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public void reProject(ICoordTrans ct) { |
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if (ct == null) { |
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return;
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} |
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for (Iterator<Coordinate> iterator = coordinates.iterator(); iterator.hasNext();) { |
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Coordinate coordinate = (Coordinate) iterator.next(); |
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java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
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try {
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p = ct.convert(p, p); |
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coordinate.x = p.getX(); |
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coordinate.y = p.getY(); |
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} catch (Exception exc) { |
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/*
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* This can happen when the reprojection lib is unable
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* to reproject (for example the source point
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* is out of the valid range and some computing
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* problem happens)
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*/
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throw new ReprojectionRuntimeException(ct.getPOrig(), ct.getPDest(), p, exc); |
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)
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*/
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public void transform(AffineTransform at) { |
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if (at == null) { |
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return;
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} |
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for (int i = 0; i < coordinates.size(); i++) { |
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Coordinate coordinate = coordinates.get(i); |
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java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
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at.transform(p, p); |
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coordinate.x = p.getX(); |
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coordinate.y = p.getY(); |
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} |
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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.Geometry#getDimension()
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*/
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public int getDimension() { |
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return anyVertex.getDimension();
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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.Geometry#getShape(java.awt.geom.AffineTransform)
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*/
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public Shape getShape(AffineTransform affineTransform) { |
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if( this.coordinates.isEmpty() ) { |
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// Esto no deberia de pasar, se trataria de una geometria
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// corrupta.
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return new GeneralPath(); |
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} |
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return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0); |
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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.Geometry#getShape()
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*/
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public Shape getShape() { |
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return new DefaultGeneralPathX(getPathIterator(null),false,0); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
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* )
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*/
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public PathIterator getPathIterator(AffineTransform at) { |
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LineIterator pi = new LineIterator(at);
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return pi;
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
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* , double)
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*/
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public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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return getPathIterator(at);
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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.Geometry#getGeneralPath()
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*/
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public GeneralPathX getGeneralPath() {
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return new DefaultGeneralPathX(getPathIterator(null), false, 0); |
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} |
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protected class LineIterator extends GeneralPathXIterator { |
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/** Transform applied on the coordinates during iteration */
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private AffineTransform at; |
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/** True when the point has been read once */
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private boolean done; |
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private int index = 0; |
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/**
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* Creates a new PointIterator object.
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*
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* @param p
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* The polygon
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* @param at
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* The affine transform applied to coordinates during
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* iteration
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*/
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public LineIterator(AffineTransform at) { |
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super(new GeneralPathX()); |
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if (at == null) { |
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at = new AffineTransform(); |
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} |
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this.at = at;
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done = false;
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} |
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/**
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* Return the winding rule for determining the interior of the path.
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*
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* @return <code>WIND_EVEN_ODD</code> by default.
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*/
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public int getWindingRule() { |
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return PathIterator.WIND_EVEN_ODD; |
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} |
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|
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/**
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* @see java.awt.geom.PathIterator#next()
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*/
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public void next() { |
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done = (coordinates.size() == ++index); |
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} |
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|
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/**
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* @see java.awt.geom.PathIterator#isDone()
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*/
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public boolean isDone() { |
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return done;
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} |
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|
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/**
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* @see java.awt.geom.PathIterator#currentSegment(double[])
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*/
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public int currentSegment(double[] coords) { |
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coords[0] = coordinates.getX(index);
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coords[1] = coordinates.getY(index);
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at.transform(coords, 0, coords, 0, 1); |
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if (index == 0) { |
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return PathIterator.SEG_MOVETO; |
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} else {
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return PathIterator.SEG_LINETO; |
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} |
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} |
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|
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/*
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* (non-Javadoc)
|
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*
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* @see java.awt.geom.PathIterator#currentSegment(float[])
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*/
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public int currentSegment(float[] coords) { |
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coords[0] = (float) coordinates.getX(index); |
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coords[1] = (float) coordinates.getY(index); |
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at.transform(coords, 0, coords, 0, 1); |
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if (index == 0) { |
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return PathIterator.SEG_MOVETO; |
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} else {
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return PathIterator.SEG_LINETO; |
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} |
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} |
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} |
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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#is3D()
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*/
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public boolean is3D() { |
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return anyVertex.is3D();
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} |
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|
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protected boolean isClosed(){ |
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return coordinates.get(0).equals(coordinates.get(coordinates.size()-1)); |
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} |
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|
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
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*/
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public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Collections.reverse(coordinates);
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} |
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|
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protected ArrayListCoordinateSequence cloneCoordinates() {
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ArrayListCoordinateSequence cloned = new ArrayListCoordinateSequence();
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cloned.ensureCapacity(coordinates.size()); |
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for (Iterator iterator = coordinates.iterator(); iterator.hasNext();) { |
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Coordinate coordinate = (Coordinate) iterator.next(); |
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cloned.add((Coordinate)coordinate.clone()); |
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} |
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return cloned;
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} |
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|
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} |