svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / Ellipse2D.java @ 27049
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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,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.Arc2D; |
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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.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.handler.AbstractHandler; |
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import org.gvsig.fmap.geom.handler.CuadrantHandler; |
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import org.gvsig.fmap.geom.handler.Handler; |
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import org.gvsig.fmap.geom.primitive.Ellipse; |
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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 Ellipse2D extends Surface2D implements Ellipse { |
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private static final long serialVersionUID = 7624230115118134004L; |
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private static GeometryType geomType = GeometryLocator.getGeometryManager() |
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.registerGeometryType(Ellipse2D.class, null, TYPES.ELLIPSE, SUBTYPES.GEOM2D); |
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private Point2D init; |
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private Point2D end; |
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private double ydist; |
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/**
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* Constructor without arguments. It is necessary to create
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* geometries using the {@link GeometryType}{@link #create()}
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* method
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*/
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public Ellipse2D() { |
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super();
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} |
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/**
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* DOCUMENT ME!
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*
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* @param gpx
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*/
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public Ellipse2D(String id, IProjection projection, GeneralPathX gpx, |
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Point2D i, Point2D e, double d) { |
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super(id, projection, gpx);
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init = i; |
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end = e; |
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ydist = d; |
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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.Surface2D#cloneFShape()
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*/
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public FShape cloneFShape() {
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return new Ellipse2D(id, projection, (GeneralPathX) gp.clone(), init, |
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end, ydist); |
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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.Surface2D#getShapeType()
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*/
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public int getShapeType() { |
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return FShape.ELLIPSE;
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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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Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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Point2D pdist = UtilFunctions.getPerpendicularPoint(init, end, center,
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ydist); |
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Point2D aux1 = new Point2D.Double(); |
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at.transform(init, aux1); |
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init = aux1; |
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Point2D aux2 = new Point2D.Double(); |
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at.transform(end, aux2); |
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end = aux2; |
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center = new Point2D.Double((init.getX() + end.getX()) / 2, (init |
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.getY() + end.getY()) / 2);
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Point2D aux3 = new Point2D.Double(); |
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at.transform(pdist, aux3); |
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ydist = center.distance(aux3); |
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gp.transform(at); |
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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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Rectangle2D rect = this.getBounds2D(); |
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handlers |
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.add(new CenterHandler(0, rect.getCenterX(), rect.getCenterY())); |
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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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Rectangle2D rect = this.getBounds2D(); |
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handlers.add(new CenterSelHandler(0, rect.getCenterX(), rect |
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.getCenterY())); |
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handlers.add(new InitSelHandler(1, init.getX(), init.getY())); |
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handlers.add(new EndSelHandler(2, end.getX(), end.getY())); |
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Point2D mediop = new Point2D.Double((end.getX() + init.getX()) / 2, |
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(end.getY() + init.getY()) / 2);
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Point2D[] p = UtilFunctions.getPerpendicular(init, end, mediop); |
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Point2D u = UtilFunctions.getPoint(mediop, p[1], ydist); |
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Point2D d = UtilFunctions.getPoint(mediop, p[1], -ydist); |
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handlers.add(new RadioSelYHandler(3, u.getX(), u.getY())); |
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handlers.add(new RadioSelYHandler(4, d.getX(), d.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 CenterHandler extends AbstractHandler implements Handler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
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* @param x
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* DOCUMENT ME!
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* @param y
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* DOCUMENT ME!
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*/
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public CenterHandler(int i, double x, double y) { |
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point = 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
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* DOCUMENT ME!
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* @param y
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* 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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for (int i = 0; i < gp.getNumCoords() / 2; i++) { |
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gp.getPointCoords()[i * 2] += x;
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gp.getPointCoords()[i * 2 + 1] += y; |
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} |
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init = new Point2D.Double(init.getX() + x, init.getY() + y); |
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end = new Point2D.Double(end.getX() + x, end.getY() + y); |
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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 CenterSelHandler extends AbstractHandler implements Handler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
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* @param x
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* DOCUMENT ME!
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* @param y
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* DOCUMENT ME!
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*/
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public CenterSelHandler(int i, double x, double y) { |
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point = 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
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* DOCUMENT ME!
|
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* @param y
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* 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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for (int i = 0; i < gp.getNumCoords() / 2; i++) { |
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gp.getPointCoords()[i * 2] += x;
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gp.getPointCoords()[i * 2 + 1] += y; |
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} |
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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 center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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double dx = x - center.getX();
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double dy = y - center.getY();
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for (int i = 0; i < gp.getNumCoords() / 2; i++) { |
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gp.getPointCoords()[i * 2] += dx;
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gp.getPointCoords()[i * 2 + 1] += dy; |
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} |
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init = new Point2D.Double(init.getX() + dx, init.getY() + dy); |
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end = new Point2D.Double(end.getX() + dx, end.getY() + dy); |
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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 CuadrantHandler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
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* @param x
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* DOCUMENT ME!
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* @param y
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* DOCUMENT ME!
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*/
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public InitSelHandler(int i, double x, double y) { |
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point = 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
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* DOCUMENT ME!
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* @param y
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* 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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/**
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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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// TODO comentado para quitar warning: double dx=x-init.getX();
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// TODO comentado para quitar warning: double dy=y-init.getY();
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Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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// Point2D[]
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// p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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// Point2D[]
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// p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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// Point2D.Double(x,y));
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// Point2D
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// pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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// double xdist=2*pl.distance(x,y);
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double xdist = 2 * center.distance(x, y); |
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// init=new Point2D.Double(init.getX()+dx,init.getY()+dy);
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init = UtilFunctions.getPoint(center, init, center.distance(x, y)); |
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end = UtilFunctions.getPoint(init, center, xdist); |
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Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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- ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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// TODO comentado para quitar warning: Point2D rotationPoint = new
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// Point2D.Double(init.getX() + xdist /2, init.getY());
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double angle = UtilFunctions.getAngle(init, end);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
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.getX(), init.getY()); |
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gp = new GeneralPathX(arc);
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gp.transform(mT); |
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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 CuadrantHandler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
|
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* @param x
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* DOCUMENT ME!
|
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* @param y
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* DOCUMENT ME!
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*/
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public EndSelHandler(int i, double x, double y) { |
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point = new Point2D.Double(x, y); |
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index = i; |
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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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* @param x
|
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* DOCUMENT ME!
|
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* @param y
|
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* 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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/**
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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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// double dx=x-getPoint().getX();
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// double dy=y-getPoint().getY();
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Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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(init.getY() + end.getY()) / 2);
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// Point2D[]
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// p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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// Point2D[]
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// p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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// Point2D.Double(x,y));
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// Point2D
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// pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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// double xdist=2*pl.distance(x,y);
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double xdist = 2 * center.distance(x, y); |
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end = UtilFunctions.getPoint(center, end, center.distance(x, y)); |
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// end=new Point2D.Double(end.getX()+dx,end.getY()+dy);
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init = UtilFunctions.getPoint(end, center, xdist); |
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Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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- ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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// Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
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// /2, init.getY());
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double angle = UtilFunctions.getAngle(init, end);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
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.getX(), init.getY()); |
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gp = new GeneralPathX(arc);
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gp.transform(mT); |
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} |
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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 RadioSelYHandler extends AbstractHandler implements CuadrantHandler { |
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/**
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* Crea un nuevo PointHandler.
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*
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* @param i
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* DOCUMENT ME!
|
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* @param x
|
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* DOCUMENT ME!
|
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* @param y
|
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* DOCUMENT ME!
|
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*/
|
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public RadioSelYHandler(int i, double x, double y) { |
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point = new Point2D.Double(x, y); |
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index = i; |
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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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* @param x
|
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* DOCUMENT ME!
|
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* @param y
|
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* 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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|
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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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ydist = new Point2D.Double((init.getX() + end.getX()) / 2, (init |
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.getY() + end.getY()) / 2).distance(x, y);
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// ydist=getSelectHandlers()[1].getPoint().distance(x,y);
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// Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2,
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// (init.getY() + end.getY()) / 2);
|
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// Point2D[]
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// p=TrigonometricalFunctions.getPerpendicular(init,end,new
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// Point2D.Double(x,y));
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// Point2D
|
| 465 |
// pl=TrigonometricalFunctions.getIntersection(p[0],p[1],init,end);
|
| 466 |
// double xdist=2*pl.distance(x,y);
|
| 467 |
double xdist = init.distance(end);
|
| 468 |
Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
| 469 |
- ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
| 470 |
// Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
|
| 471 |
// /2, init.getY());
|
| 472 |
|
| 473 |
double angle = UtilFunctions.getAngle(init, end);
|
| 474 |
AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
| 475 |
.getX(), init.getY()); |
| 476 |
gp = new GeneralPathX(arc);
|
| 477 |
gp.transform(mT); |
| 478 |
} |
| 479 |
} |
| 480 |
|
| 481 |
/*
|
| 482 |
* (non-Javadoc)
|
| 483 |
*
|
| 484 |
* @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
| 485 |
*/
|
| 486 |
public boolean intersects(Rectangle2D r) { |
| 487 |
return gp.intersects(r);
|
| 488 |
} |
| 489 |
|
| 490 |
/* (non-Javadoc)
|
| 491 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, double)
|
| 492 |
*/
|
| 493 |
public void setPoints(Point axis1Start, Point axis1End, double axis2Length) { |
| 494 |
Point2D _axis1Start = new java.awt.geom.Point2D.Double(axis1Start.getCoordinateAt(0), axis1Start.getCoordinateAt(1)); |
| 495 |
Point2D _axis1End = new java.awt.geom.Point2D.Double(axis1End.getCoordinateAt(0), axis1End.getCoordinateAt(1)); |
| 496 |
setPoints(_axis1Start, _axis1End, axis2Length); |
| 497 |
} |
| 498 |
|
| 499 |
/* (non-Javadoc)
|
| 500 |
* @see org.gvsig.fmap.geom.primitive.Surface2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
|
| 501 |
*/
|
| 502 |
public void setGeneralPath(GeneralPathX generalPathX) { |
| 503 |
throw new UnsupportedOperationException("Use setPoints(Point axis1Start, Point axis1End, double axis2Length)"); |
| 504 |
} |
| 505 |
|
| 506 |
/* (non-Javadoc)
|
| 507 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, double)
|
| 508 |
*/
|
| 509 |
private void setPoints(Point2D axis1Start, Point2D axis1End, |
| 510 |
double axis2Length) {
|
| 511 |
double xAxis = axis1Start.distance(axis1End);
|
| 512 |
Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start |
| 513 |
.getY() |
| 514 |
- axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
| 515 |
// TODO L?nea comentada para quitar warning: Point2D rotationPoint = new
|
| 516 |
// Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY());
|
| 517 |
double angle = UtilFunctions.getAngle(axis1Start, axis1End);
|
| 518 |
AffineTransform mT = AffineTransform.getRotateInstance(angle, |
| 519 |
axis1Start.getX(), axis1Start.getY()); |
| 520 |
GeneralPathX gp = new GeneralPathX(arc);
|
| 521 |
gp.transform(mT); |
| 522 |
this.gp = new GeneralPathX(gp); |
| 523 |
this.init = axis1Start;
|
| 524 |
this.end = axis1End;
|
| 525 |
this.ydist = axis2Length;
|
| 526 |
} |
| 527 |
|
| 528 |
/* (non-Javadoc)
|
| 529 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1End()
|
| 530 |
*/
|
| 531 |
public Point getAxis1End() { |
| 532 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(end); |
| 533 |
} |
| 534 |
|
| 535 |
/* (non-Javadoc)
|
| 536 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1Start()
|
| 537 |
*/
|
| 538 |
public Point getAxis1Start() { |
| 539 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(init); |
| 540 |
} |
| 541 |
|
| 542 |
/* (non-Javadoc)
|
| 543 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis2Dist()
|
| 544 |
*/
|
| 545 |
public double getAxis2Dist() { |
| 546 |
return ydist;
|
| 547 |
} |
| 548 |
|
| 549 |
} |