root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / Ellipse2D.java @ 29972
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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.Geometry; |
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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 Point2D init; |
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private Point2D end; |
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private double ydist; |
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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 Ellipse2D(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 e
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* @param d
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*/
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Ellipse2D(GeometryType geometryType,String id, IProjection projection, GeneralPathX gpx, |
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Point2D i, Point2D e, double d) { |
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super(geometryType, 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(getGeometryType(), 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 TYPES.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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/**
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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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/**
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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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/**
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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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/**
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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.getPathIterator(null)); |
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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 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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/**
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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.getPathIterator(null)); |
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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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/**
|
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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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/**
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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
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// pl=TrigonometricalFunctions.getIntersection(p[0],p[1],init,end);
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// double xdist=2*pl.distance(x,y);
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double xdist = init.distance(end);
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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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|
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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.getPathIterator(null)); |
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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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* (non-Javadoc)
|
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*
|
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* @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
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*/
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public boolean intersects(Rectangle2D r) { |
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return gp.intersects(r);
|
491 |
} |
492 |
|
493 |
/* (non-Javadoc)
|
494 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, double)
|
495 |
*/
|
496 |
public void setPoints(Point axis1Start, Point axis1End, double axis2Length) { |
497 |
Point2D _axis1Start = new java.awt.geom.Point2D.Double(axis1Start.getCoordinateAt(0), axis1Start.getCoordinateAt(1)); |
498 |
Point2D _axis1End = new java.awt.geom.Point2D.Double(axis1End.getCoordinateAt(0), axis1End.getCoordinateAt(1)); |
499 |
setPoints(_axis1Start, _axis1End, axis2Length); |
500 |
} |
501 |
|
502 |
/* (non-Javadoc)
|
503 |
* @see org.gvsig.fmap.geom.primitive.Surface2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
|
504 |
*/
|
505 |
public void setGeneralPath(GeneralPathX generalPathX) { |
506 |
throw new UnsupportedOperationException("Use setPoints(Point axis1Start, Point axis1End, double axis2Length)"); |
507 |
} |
508 |
|
509 |
/* (non-Javadoc)
|
510 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, double)
|
511 |
*/
|
512 |
private void setPoints(Point2D axis1Start, Point2D axis1End, |
513 |
double axis2Length) {
|
514 |
double xAxis = axis1Start.distance(axis1End);
|
515 |
Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start |
516 |
.getY() |
517 |
- axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
518 |
// TODO L?nea comentada para quitar warning: Point2D rotationPoint = new
|
519 |
// Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY());
|
520 |
double angle = UtilFunctions.getAngle(axis1Start, axis1End);
|
521 |
AffineTransform mT = AffineTransform.getRotateInstance(angle, |
522 |
axis1Start.getX(), axis1Start.getY()); |
523 |
GeneralPathX gp = new GeneralPathX(arc.getPathIterator(null)); |
524 |
gp.transform(mT); |
525 |
this.gp = new GeneralPathX(gp.getPathIterator(null)); |
526 |
this.init = axis1Start;
|
527 |
this.end = axis1End;
|
528 |
this.ydist = axis2Length;
|
529 |
} |
530 |
|
531 |
/* (non-Javadoc)
|
532 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1End()
|
533 |
*/
|
534 |
public Point getAxis1End() { |
535 |
try {
|
536 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(end); |
537 |
} catch (Exception e){ |
538 |
return null; |
539 |
} |
540 |
} |
541 |
|
542 |
/* (non-Javadoc)
|
543 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1Start()
|
544 |
*/
|
545 |
public Point getAxis1Start() { |
546 |
try {
|
547 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(init); |
548 |
} catch (Exception e){ |
549 |
return null; |
550 |
} |
551 |
} |
552 |
|
553 |
/* (non-Javadoc)
|
554 |
* @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis2Dist()
|
555 |
*/
|
556 |
public double getAxis2Dist() { |
557 |
return ydist;
|
558 |
} |
559 |
|
560 |
} |