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 @ 44612
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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.GeneralPath; |
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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.util.ArrayList; |
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import java.util.List; |
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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.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiPoint2D; |
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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.Line; |
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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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public class VertexIterator implements Iterator<Point> { |
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private PointJTS vertex;
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private int current; |
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public VertexIterator() {
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this.current = 0; |
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if( getNumVertices()>0 ) { |
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this.vertex = (PointJTS) getVertex(0).cloneGeometry(); |
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} else {
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this.vertex = null; |
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} |
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} |
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@Override
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public boolean hasNext() { |
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return this.current < getNumVertices() ; |
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} |
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@Override
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public Point next() { |
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this.vertex.setJTSCoordinate(coordinates.get(current) );
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this.current++;
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return this.vertex; |
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} |
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@Override
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public void remove() { |
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throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
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} |
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} |
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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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abstract public Point getVertex(int index); |
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public Iterator<Point> iterator() { |
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return new VertexIterator(); |
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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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} |
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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 point
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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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public boolean isEmpty() { |
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return coordinates==null || coordinates.isEmpty(); |
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} |
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public int getNumVertices() { |
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if( isEmpty() ) {
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return 0; |
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} |
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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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if(!coordinates.get(0).equals(coordinates.get(coordinates.size()-1))){ |
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coordinates.add(coordinates.get(0));
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} |
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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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/*
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* (non-Javadoc)
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*
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* @deprecated
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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() && !isClosed()) {
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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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ArrayListCoordinateSequence tmpCoordinates = new ArrayListCoordinateSequence();
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tmpCoordinates.ensureCapacity(coordinates.size()); |
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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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tmpCoordinates.add(coordinate); |
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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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} |
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} |
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coordinates=tmpCoordinates; |
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this.setProjection(ct.getPDest());
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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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/*
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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 this.getGeometryType().getDimension(); |
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} |
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@Override
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public Shape getShape(AffineTransform affineTransform) { |
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if( this.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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/*
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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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|
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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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/*
|
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* (non-Javadoc)
|
425 |
*
|
426 |
* @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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/*
|
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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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} |
442 |
|
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protected class LineIterator extends GeneralPathXIterator { |
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|
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/** Transform applied on the coordinates during iteration */
|
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private AffineTransform at; |
447 |
|
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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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/**
|
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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) { |
462 |
super(new GeneralPathX()); |
463 |
if (at == null) { |
464 |
at = new AffineTransform(); |
465 |
} |
466 |
|
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this.at = at;
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done = false;
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} |
470 |
|
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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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} |
479 |
|
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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() { |
484 |
done = (coordinates.size() == ++index); |
485 |
} |
486 |
|
487 |
/**
|
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* @see java.awt.geom.PathIterator#isDone()
|
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*/
|
490 |
public boolean isDone() { |
491 |
return done;
|
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} |
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|
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/**
|
495 |
* @see java.awt.geom.PathIterator#currentSegment(double[])
|
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*/
|
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public int currentSegment(double[] coords) { |
498 |
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); |
501 |
|
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if (index == 0) { |
503 |
return PathIterator.SEG_MOVETO; |
504 |
} else {
|
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return PathIterator.SEG_LINETO; |
506 |
} |
507 |
} |
508 |
|
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/*
|
510 |
* (non-Javadoc)
|
511 |
*
|
512 |
* @see java.awt.geom.PathIterator#currentSegment(float[])
|
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*/
|
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public int currentSegment(float[] coords) { |
515 |
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); |
518 |
|
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if (index == 0) { |
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return PathIterator.SEG_MOVETO; |
521 |
} else {
|
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return PathIterator.SEG_LINETO; |
523 |
} |
524 |
} |
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} |
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|
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/*
|
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* (non-Javadoc)
|
529 |
*
|
530 |
* @see org.gvsig.fmap.geom.jts.GeometryJTS#is3D()
|
531 |
*/
|
532 |
public boolean is3D() { |
533 |
int subtype = this.getGeometryType().getType(); |
534 |
return subtype == Geometry.SUBTYPES.GEOM3D || subtype == Geometry.SUBTYPES.GEOM3DM;
|
535 |
} |
536 |
|
537 |
// protected boolean isClosed(){
|
538 |
// return coordinates.get(0).equals(coordinates.get(coordinates.size()-1));
|
539 |
// }
|
540 |
|
541 |
/* (non-Javadoc)
|
542 |
* @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
|
543 |
*/
|
544 |
public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
545 |
Collections.reverse(coordinates);
|
546 |
} |
547 |
|
548 |
protected ArrayListCoordinateSequence cloneCoordinates() {
|
549 |
ArrayListCoordinateSequence cloned = new ArrayListCoordinateSequence();
|
550 |
cloned.ensureCapacity(coordinates.size()); |
551 |
for (Iterator iterator = coordinates.iterator(); iterator.hasNext();) { |
552 |
Coordinate coordinate = (Coordinate) iterator.next(); |
553 |
cloned.add((Coordinate)coordinate.clone()); |
554 |
} |
555 |
return cloned;
|
556 |
} |
557 |
|
558 |
|
559 |
@Override
|
560 |
public boolean canBeTransformed(AffineTransform at) { |
561 |
return true; |
562 |
} |
563 |
|
564 |
@Override
|
565 |
public boolean canBeReprojected(ICoordTrans ct) { |
566 |
return true; |
567 |
} |
568 |
|
569 |
public boolean isClosed() { |
570 |
return this.isClosed(0); |
571 |
} |
572 |
|
573 |
public boolean isClosed(double tolerance) { |
574 |
int numVertices = this.getNumVertices(); |
575 |
switch( numVertices ) {
|
576 |
case 0: |
577 |
case 1: |
578 |
case 2: |
579 |
return false; |
580 |
} |
581 |
|
582 |
if( tolerance<0 ) { |
583 |
tolerance = 0.000001;
|
584 |
} |
585 |
double[] first = this.getVertex(0).getCoordinates(); |
586 |
double[] last = this.getVertex(numVertices-1).getCoordinates(); |
587 |
|
588 |
for (int i = 0; i < first.length; i++) { |
589 |
if (Math.abs(first[i] - last[i]) > tolerance) { |
590 |
return false; |
591 |
} |
592 |
} |
593 |
return true; |
594 |
} |
595 |
|
596 |
public void forceClose(double tolerance) { |
597 |
Point first;
|
598 |
int numVertices = this.getNumVertices(); |
599 |
switch( numVertices ) {
|
600 |
case 0: |
601 |
return;
|
602 |
case 1: |
603 |
first = this.getVertex(0); |
604 |
this.addVertex((Point) first.cloneGeometry()); |
605 |
this.addVertex((Point) first.cloneGeometry()); |
606 |
return;
|
607 |
case 2: |
608 |
first = this.getVertex(0); |
609 |
this.addVertex((Point) first.cloneGeometry()); |
610 |
return;
|
611 |
} |
612 |
if( this.isClosed(0) ) { |
613 |
return;
|
614 |
} |
615 |
|
616 |
first = this.getVertex(0); |
617 |
if( this.isClosed(tolerance) ) { |
618 |
this.setVertex(numVertices-1,(Point) first.cloneGeometry()); |
619 |
} else {
|
620 |
this.addVertex((Point) first.cloneGeometry()); |
621 |
} |
622 |
} |
623 |
|
624 |
|
625 |
@Override
|
626 |
public Geometry force2D() throws GeometryOperationNotSupportedException, GeometryOperationException { |
627 |
ArrayListCoordinateSequence coordinates2D = new ArrayListCoordinateSequence(coordinates.size());
|
628 |
for (Coordinate coordinate : this.coordinates) { |
629 |
coordinates2D.add(new Coordinate(coordinate.x, coordinate.y));
|
630 |
} |
631 |
Line2D l = new Line2D(coordinates2D); |
632 |
return l;
|
633 |
} |
634 |
|
635 |
} |