svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.impl / src / main / java / org / gvsig / fmap / geom / primitive / impl / Arc2D.java @ 40435
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/*
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* Created on 09-feb-2005
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.fmap.geom.primitive.impl; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.util.ArrayList; |
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import org.cresques.cts.IProjection; |
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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.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.handler.AbstractHandler; |
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import org.gvsig.fmap.geom.handler.CenterHandler; |
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import org.gvsig.fmap.geom.handler.FinalHandler; |
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import org.gvsig.fmap.geom.handler.Handler; |
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import org.gvsig.fmap.geom.primitive.Arc; |
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import org.gvsig.fmap.geom.primitive.FShape; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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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.geom.util.UtilFunctions; |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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public class Arc2D extends Curve2D implements Arc { |
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private static final long serialVersionUID = 6416027005106924030L; |
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private static final Logger logger = LoggerFactory.getLogger(Arc2D.class); |
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private Point2D init; |
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/**
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* This is the middle point (belongs to the arc), not the center
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* of the circle/ellipse
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*/
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private Point2D middle; |
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private Point2D end; |
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private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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/**
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* The constructor with the GeometryType like and argument
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* is used by the {@link GeometryType}{@link #create()}
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* to create the geometry
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* @param type
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* The geometry type
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*/
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public Arc2D(GeometryType geometryType) { |
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super(geometryType);
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} |
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/**
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* Constructor used in the {@link Geometry#cloneGeometry()} method
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* @param id
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* @param projection
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* @param gpx
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* @param i
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* @param c
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* @param e
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*/
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protected Arc2D(GeometryType geometryType, String id, IProjection projection, GeneralPathX gpx, Point2D i,Point2D c, Point2D e) { |
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super(geometryType, id, projection, gpx);
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init=i; |
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middle=c; |
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end=e; |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()
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*/
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public FShape cloneFShape() {
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Arc2D arc = new Arc2D(getGeometryType(), id, projection, (GeneralPathX) gp.clone(),init,middle,end); |
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return arc;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#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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gp.transform(at); |
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InitHandler inithandler=(InitHandler)getStretchingHandlers()[0];
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//CenterHandler centerhandler=(CenterHandler)getHandlers()[1];
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EndHandler endhandler=(EndHandler)getStretchingHandlers()[1];
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Point2D aux1=new Point2D.Double(); |
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Point2D aux2=new Point2D.Double(); |
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Point2D aux3=new Point2D.Double(); |
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at.transform(inithandler.getPoint(),aux1); |
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inithandler.setPoint(aux1); |
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//at.transform(centerhandler.getPoint(),aux2);
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//centerhandler.setPoint(aux2);
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at.transform(endhandler.getPoint(),aux3); |
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endhandler.setPoint(aux3); |
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CenterSelHandler centerhandler=(CenterSelHandler)getSelectHandlers()[1];
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at.transform(centerhandler.getPoint(),aux2); |
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centerhandler.setPoint(aux2); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.Curve2D#getShapeType()
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*/
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public int getShapeType() { |
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return TYPES.ARC;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getStretchingHandlers()
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*/
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public Handler[] getStretchingHandlers() { |
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ArrayList handlers = new ArrayList(); |
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handlers.add(new InitHandler(0, init.getX(), init.getY())); |
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//handlers.add(new CenterHandler(1, center.getX(), center.getY()));
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handlers.add(new EndHandler(1, end.getX(), end.getY())); |
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return (Handler[]) handlers.toArray(new Handler[0]); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getSelectHandlers()
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*/
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public Handler[] getSelectHandlers() { |
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ArrayList handlers = new ArrayList(); |
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handlers.add(new InitSelHandler(0, init.getX(), init.getY())); |
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handlers.add(new CenterSelHandler(1, middle.getX(), middle.getY())); |
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handlers.add(new EndSelHandler(2, end.getX(), end.getY())); |
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return (Handler[]) handlers.toArray(new Handler[0]); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class CenterSelHandler extends AbstractHandler implements CenterHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public CenterSelHandler(int i, double x, double y) { |
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middle = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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} |
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public void setPoint(Point2D p){ |
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middle=p; |
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} |
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public Point2D getPoint(){ |
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return middle;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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middle=new Point2D.Double(x,y); |
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init, middle, end); |
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gp = new GeneralPathX(arco.getPathIterator(null)); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class InitHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public InitHandler(int i, double x, double y) { |
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init = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(middle);
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init=new Point2D.Double(init.getX()+x,init.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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middle=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
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gp=new GeneralPathX(arco.getPathIterator(null)); |
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} |
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public void setPoint(Point2D p){ |
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init=p; |
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} |
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public Point2D getPoint(){ |
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return init;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class EndHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public EndHandler(int i, double x, double y) { |
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end = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(middle);
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end=new Point2D.Double(end.getX()+x,end.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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middle=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
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gp=new GeneralPathX(arco.getPathIterator(null)); |
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} |
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public void setPoint(Point2D p){ |
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end=p; |
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} |
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public Point2D getPoint(){ |
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return end;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class InitSelHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public InitSelHandler(int i, double x, double y) { |
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init = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(middle);
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init=new Point2D.Double(init.getX()+x,init.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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middle=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
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gp=new GeneralPathX(arco.getPathIterator(null)); |
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} |
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public void setPoint(Point2D p){ |
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init=p; |
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} |
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public Point2D getPoint(){ |
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return init;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(middle);
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init=new Point2D.Double(x,y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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// TODO comentado para quitar warning: Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop);
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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///center=TrigonometricalFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
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gp=new GeneralPathX(arco.getPathIterator(null)); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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class EndSelHandler extends AbstractHandler implements FinalHandler{ |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i DOCUMENT ME!
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
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*/
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public EndSelHandler(int i, double x, double y) { |
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end = new Point2D.Double(x, y); |
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index = i; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param x DOCUMENT ME!
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* @param y DOCUMENT ME!
|
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*
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* @return DOCUMENT ME!
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*/
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public void move(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(middle);
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end=new Point2D.Double(end.getX()+x,end.getY()+y); |
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mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
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if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
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dist=-dist; |
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} |
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middle=UtilFunctions.getPoint(mediop,perp[1],dist);
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java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
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gp=new GeneralPathX(arco.getPathIterator(null)); |
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} |
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public void setPoint(Point2D p){ |
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end=p; |
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} |
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public Point2D getPoint(){ |
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return end;
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} |
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/**
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* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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*/
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public void set(double x, double y) { |
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Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
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double dist=mediop.distance(middle);
|
| 469 |
end=new Point2D.Double(x,y); |
| 470 |
|
| 471 |
mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 472 |
// TODO comentado para quitar warning: Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop);
|
| 473 |
if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
| 474 |
dist=-dist; |
| 475 |
} |
| 476 |
///center=TrigonometricalFunctions.getPoint(mediop,perp[1],dist);
|
| 477 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
| 478 |
gp=new GeneralPathX(arco.getPathIterator(null)); |
| 479 |
} |
| 480 |
} |
| 481 |
|
| 482 |
/* (non-Javadoc)
|
| 483 |
* @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
| 484 |
*/
|
| 485 |
public boolean intersects(Rectangle2D r) { |
| 486 |
return gp.intersects(r);
|
| 487 |
} |
| 488 |
|
| 489 |
/* (non-Javadoc)
|
| 490 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point)
|
| 491 |
*/
|
| 492 |
public void setPoints(Point p1, Point p2, Point p3) { |
| 493 |
Point2D _p1 = new java.awt.geom.Point2D.Double(p1.getCoordinateAt(0), p1.getCoordinateAt(1)); |
| 494 |
Point2D _p2 = new java.awt.geom.Point2D.Double(p2.getCoordinateAt(0), p2.getCoordinateAt(1)); |
| 495 |
Point2D _p3 = new java.awt.geom.Point2D.Double(p3.getCoordinateAt(0), p3.getCoordinateAt(1)); |
| 496 |
setPoints(_p1, _p2, _p3); |
| 497 |
} |
| 498 |
|
| 499 |
/* (non-Javadoc)
|
| 500 |
* @see org.gvsig.fmap.geom.primitive.Curve2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
|
| 501 |
*/
|
| 502 |
public void setGeneralPath(GeneralPathX generalPathX) { |
| 503 |
throw new UnsupportedOperationException("Use setPoints(Point p1, Point p2, Point p3)"); |
| 504 |
} |
| 505 |
|
| 506 |
/* (non-Javadoc)
|
| 507 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, java.awt.geom.Point2D)
|
| 508 |
*/
|
| 509 |
private void setPoints(Point2D p1, Point2D p2, Point2D p3) { |
| 510 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(p1, p2, p3); |
| 511 |
if (arco == null) { |
| 512 |
logger.info("Did not set arc points (probably aligned points): "
|
| 513 |
+ p1.getX() + " " + p1.getY() + " :: " |
| 514 |
+ p2.getX() + " " + p2.getY() + " :: " |
| 515 |
+ p3.getX() + " " + p3.getY());
|
| 516 |
throw new IllegalArgumentException("Did not set arc points (probably aligned points)."); |
| 517 |
} |
| 518 |
this.gp = new GeneralPathX(arco.getPathIterator(null)); |
| 519 |
this.init = p1;
|
| 520 |
this.middle = p2;
|
| 521 |
this.end = p3;
|
| 522 |
} |
| 523 |
|
| 524 |
/* (non-Javadoc)
|
| 525 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(org.gvsig.fmap.geom.primitive.Point, double, double, double)
|
| 526 |
*/
|
| 527 |
public void setPoints(Point center, double radius, double initAngle, |
| 528 |
double angleExt) {
|
| 529 |
Point2D _center = new java.awt.geom.Point2D.Double(center.getCoordinateAt(0), center.getCoordinateAt(1)); |
| 530 |
setPoints(_center, radius, initAngle, angleExt); |
| 531 |
} |
| 532 |
|
| 533 |
/* (non-Javadoc)
|
| 534 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPointsStartExt(org.gvsig.fmap.geom.primitive.Point, double, double, double)
|
| 535 |
*/
|
| 536 |
public void setPointsStartExt(Point center, double radius, |
| 537 |
double startAngle, double angleExt) { |
| 538 |
|
| 539 |
setPoints(center, radius, startAngle, angleExt); |
| 540 |
} |
| 541 |
|
| 542 |
/* (non-Javadoc)
|
| 543 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPointsStartEnd(org.gvsig.fmap.geom.primitive.Point, double, double, double)
|
| 544 |
*/
|
| 545 |
public void setPointsStartEnd(Point center, double radius, |
| 546 |
double startAngle, double endAngle) { |
| 547 |
|
| 548 |
if (startAngle == endAngle) {
|
| 549 |
setPointsStartExt(center, radius, startAngle, 0);
|
| 550 |
} else {
|
| 551 |
|
| 552 |
/*
|
| 553 |
* Normalize then force clockwise:
|
| 554 |
*/
|
| 555 |
double norm_start = normalizeAngle(startAngle);
|
| 556 |
double norm_end = normalizeAngle(endAngle);
|
| 557 |
double ang_ext = 0; |
| 558 |
|
| 559 |
// clockwise
|
| 560 |
// ang_ext must be positive
|
| 561 |
if (norm_start >= norm_end) {
|
| 562 |
ang_ext = norm_start - norm_end; |
| 563 |
} else {
|
| 564 |
ang_ext = 2 * Math.PI - (norm_end - norm_start); |
| 565 |
} |
| 566 |
|
| 567 |
// finally call other method with ang_ext
|
| 568 |
setPointsStartExt(center, radius, startAngle, ang_ext); |
| 569 |
} |
| 570 |
} |
| 571 |
|
| 572 |
/**
|
| 573 |
* Leaves the angle between PI and -PI
|
| 574 |
* @param angle (radians)
|
| 575 |
* @return
|
| 576 |
*/
|
| 577 |
private double normalizeAngle(double angle) { |
| 578 |
|
| 579 |
if (angle > -Math.PI && angle <= Math.PI) { |
| 580 |
return angle;
|
| 581 |
} |
| 582 |
|
| 583 |
if (angle == Double.NEGATIVE_INFINITY |
| 584 |
|| angle == Double.POSITIVE_INFINITY) {
|
| 585 |
return 0; |
| 586 |
} |
| 587 |
|
| 588 |
double abs_ang = Math.abs(angle); |
| 589 |
double remove = Math.floor(abs_ang / (2 * Math.PI)); |
| 590 |
remove = remove * 2 * Math.PI; |
| 591 |
double resp = 0; |
| 592 |
|
| 593 |
if (angle > 0) { |
| 594 |
resp = angle - remove; |
| 595 |
if (resp > Math.PI) { |
| 596 |
// final adjustment
|
| 597 |
resp = resp - 2 * Math.PI; |
| 598 |
} |
| 599 |
} else {
|
| 600 |
resp = angle + remove; |
| 601 |
if (resp <= -Math.PI) { |
| 602 |
// final adjustment
|
| 603 |
resp = resp + 2 * Math.PI; |
| 604 |
} |
| 605 |
} |
| 606 |
|
| 607 |
return resp;
|
| 608 |
} |
| 609 |
|
| 610 |
/* (non-Javadoc)
|
| 611 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(java.awt.geom.Point2D, double, double, double)
|
| 612 |
*/
|
| 613 |
private void setPoints(Point2D center, double radius, double initAngle, |
| 614 |
double angleExt) {
|
| 615 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(center, radius, initAngle, angleExt); |
| 616 |
|
| 617 |
java.awt.geom.Arc2D semiarco = UtilFunctions.createArc(center, radius, initAngle, angleExt/2);
|
| 618 |
if (arco == null || semiarco == null) { |
| 619 |
logger.info("Did not set arc points (probably aligned points)");
|
| 620 |
return;
|
| 621 |
} |
| 622 |
|
| 623 |
Point2D p1 = arco.getStartPoint();
|
| 624 |
Point2D p2 = semiarco.getEndPoint();
|
| 625 |
Point2D p3 = arco.getEndPoint();
|
| 626 |
|
| 627 |
setPoints(p1, p2, p3); |
| 628 |
} |
| 629 |
|
| 630 |
|
| 631 |
|
| 632 |
/* (non-Javadoc)
|
| 633 |
* @see org.gvsig.fmap.geom.primitive.Curve2D#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point)
|
| 634 |
*/
|
| 635 |
public void setPoints(Point startPoint, Point endPoint) { |
| 636 |
throw new UnsupportedOperationException("Use setGeneralPathX"); |
| 637 |
} |
| 638 |
|
| 639 |
/* (non-Javadoc)
|
| 640 |
* @see org.gvsig.fmap.geom.primitive.Arc#getEndPoint()
|
| 641 |
*/
|
| 642 |
public Point getEndPoint() { |
| 643 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(end.getX(), end.getY()); |
| 644 |
} |
| 645 |
|
| 646 |
/* (non-Javadoc)
|
| 647 |
* @see org.gvsig.fmap.geom.primitive.Arc#getInitPoint()
|
| 648 |
*/
|
| 649 |
public Point getInitPoint() { |
| 650 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(init.getX(), init.getY()); |
| 651 |
} |
| 652 |
|
| 653 |
/* (non-Javadoc)
|
| 654 |
* @see org.gvsig.fmap.geom.primitive.Arc#getCenterPoint()
|
| 655 |
*/
|
| 656 |
public Point getCenterPoint() { |
| 657 |
Point2D p = UtilFunctions.getCenter(init, middle,end);
|
| 658 |
try {
|
| 659 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(p.getX(), p.getY()); |
| 660 |
} catch (Exception e) { |
| 661 |
return null; |
| 662 |
} |
| 663 |
} |
| 664 |
|
| 665 |
|
| 666 |
|
| 667 |
|
| 668 |
} |