root / tags / v1_0_2_Build_916 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / ShapeFactory.java @ 12327
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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 com.iver.cit.gvsig.fmap.core; |
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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 com.iver.cit.gvsig.fmap.core.gt2.FLiteShape; |
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import com.iver.cit.gvsig.fmap.edition.UtilFunctions; |
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/**
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* Clase que crea las geometr?as, contendra un m?todo create por cada tipo de
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* geometria que soporte gvSIG
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*/
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public class ShapeFactory { |
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/**
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* Crea una geometr?a que contiene como shape un punto 2D.
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*
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* @param x Coordenada x.
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* @param y Coordenada y.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createPoint2D(double x, double y) { |
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return new FGeometry(new FPoint2D(x, y)); |
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} |
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public static IGeometry createPoint2D(FPoint2D p) { |
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return new FGeometry(p); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un Multipunto 2D.
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*
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* @param x Coordenada x.
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* @param y Coordenada y.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createMultipoint2D(double[] x, double[] y) { |
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return new FMultiPoint2D(x, y); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un punto 3D.
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*
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* @param x Coordenada x.
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* @param y Coordenada y.
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* @param z Coordenada z.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createPoint3D(double x, double y, double z) { |
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return new FGeometry(new FPoint3D(x, y, z)); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un Multipunto 3D.
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*
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* @param x Coordenada x.
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* @param y Coordenada y.
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* @param z Coordenada z.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createMultipoint3D(double[] x, double[] y, |
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double[] z) { |
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return new FMultipoint3D(x, y, z); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un Polil?nea 2D.
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*
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* @param shape GeneralPathX.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createPolyline2D(GeneralPathX shape) { |
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return new FGeometry(new FPolyline2D(shape)); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un Polil?nea 3D.
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*
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* @param shape GeneralPathX.
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* @param pZ Vector de Z.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createPolyline3D(GeneralPathX shape, double[] pZ) { |
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return new FGeometry(new FPolyline3D(shape, pZ)); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un Pol?gono 3D.
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*
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* @param shape GeneralPathX.
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* @param pZ Vector de Z.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createPolygon3D(GeneralPathX shape, double[] pZ) { |
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return new FGeometry(new FPolygon3D(shape, pZ)); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un Pol?gono 2D.
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*
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* @param shape GeneralPathX.
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*
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* @return Geometr?a.
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*/
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public static IGeometry createPolygon2D(GeneralPathX shape) { |
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return new FGeometry(new FPolygon2D(shape)); |
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} |
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/**
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* Crea una geometr?a que contiene como shape un Pol?gono 2D.
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*
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* @param shape FPolyline2D closed (you must be sure it is really closed).
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*
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* @return Geometr?a.
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*/
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public static IGeometry createPolygon2D(FPolyline2D shape) { |
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return new FGeometry(new FPolygon2D(shape.gp)); |
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} |
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/**
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* Crea a partir de un FShape una geometr?a.
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*
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* @param shp FShape.
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*
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* @return Geometr?a.
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*/
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public static FGeometry createGeometry(FShape shp) { |
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return new FGeometry(shp); |
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} |
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public static IGeometry createGeometry(FLiteShape gt2geometry) { |
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return new Gt2Geometry(gt2geometry); |
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} |
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public static IGeometry createCircle(Point2D center, Point2D r){ |
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double radio = center.distance(r);
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return createCircle(center, radio);
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} |
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public static IGeometry createCircle(Point2D center, double radio){ |
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Arc2D.Double arc = new Arc2D.Double(center.getX()-radio, center.getY() - radio, |
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2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
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return new FGeometry(new FCircle2D(new GeneralPathX(arc),center,radio)); |
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} |
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public static IGeometry createCircle(Point2D p1, Point2D p2, Point2D p3){ |
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Point2D center = UtilFunctions.getCenter(p1, p2, p3);
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if (center!=null) |
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return createCircle(center,p1);
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return null; |
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} |
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public static IGeometry createArc(Point2D p1, Point2D p2, Point2D p3){ |
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Arc2D arco = UtilFunctions.createArc(p1, p2, p3);
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if (arco == null) return null; |
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FArc2D arc=new FArc2D(new GeneralPathX(arco),p1,p2,p3); |
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IGeometry geom=new FGeometry(arc);
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return geom;
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} |
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public static IGeometry createEllipse(Point2D axis1Start, Point2D axis1End, double axis2Length){ |
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double xAxis = axis1Start.distance(axis1End);
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Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), |
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axis1Start.getY() - axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
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Point2D rotationPoint = new Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY()); |
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double angle = UtilFunctions.getAngle(axis1Start, axis1End);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, axis1Start.getX(), axis1Start.getY()); |
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GeneralPathX gp = new GeneralPathX(arc);
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gp.transform(mT); |
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return new FGeometry(new FEllipse2D(new GeneralPathX(gp),axis1Start,axis1End,axis2Length)); |
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} |
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} |