root / trunk / org.gvsig.dwg / org.gvsig.dwg.lib / src / main / java / org / gvsig / dwg / lib / objects / DwgEllipse.java @ 5
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/* jdwglib. Java Library for reading Dwg files.
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*
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* Author: Jose Morell Rama (jose.morell@gmail.com).
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* Port from the Pythoncad Dwg library by Art Haas.
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*
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* Copyright (C) 2005 Jose Morell, IVER TI S.A. 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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* Jose Morell (jose.morell@gmail.com)
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*
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* or
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*
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* IVER TI S.A.
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* C/Salamanca, 50
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* 46005 Valencia
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* Spain
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.dwg.lib.objects; |
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import java.awt.geom.Point2D; |
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import java.util.List; |
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import java.util.Map; |
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import org.gvsig.dwg.lib.DwgFile; |
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import org.gvsig.dwg.lib.DwgObject; |
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import org.gvsig.dwg.lib.IDwg2FMap; |
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import org.gvsig.dwg.lib.IDwg3DTestable; |
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import org.gvsig.dwg.lib.IDwgBlockMember; |
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import org.gvsig.dwg.lib.util.FMapUtil; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.EllipticArc; |
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import org.gvsig.fmap.geom.primitive.Point; |
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/**
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* The DwgEllipse class represents a DWG Ellipse
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*
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* @author jmorell
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*/
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public class DwgEllipse extends DwgObject |
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implements IDwg3DTestable, IDwg2FMap, IDwgBlockMember{
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public DwgEllipse(int index) { |
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super(index);
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// TODO Auto-generated constructor stub
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} |
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private double[] center; |
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private double[] semiMajorAxisVector; |
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private double[] extrusion; |
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private double axisRatio; |
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private double initAngle; |
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private double endAngle; |
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/**
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* @return Returns the axisRatio.
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*/
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public double getAxisRatio() { |
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return axisRatio;
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} |
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/**
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* @param axisRatio The axisRatio to set.
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*/
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public void setAxisRatio(double axisRatio) { |
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this.axisRatio = axisRatio;
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} |
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/**
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* @return Returns the center.
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*/
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public double[] getCenter() { |
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return center;
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} |
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/**
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* @param center The center to set.
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*/
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public void setCenter(double[] center) { |
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this.center = center;
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} |
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/**
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* @return Returns the endAngle.
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*/
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public double getEndAngle() { |
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return endAngle;
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} |
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/**
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* @param endAngle The endAngle to set.
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*/
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public void setEndAngle(double endAngle) { |
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this.endAngle = endAngle;
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} |
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/**
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* @return Returns the initAngle.
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*/
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public double getInitAngle() { |
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return initAngle;
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} |
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/**
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* @param initAngle The initAngle to set.
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*/
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public void setInitAngle(double initAngle) { |
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this.initAngle = initAngle;
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} |
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/**
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* @return Returns the majorAxisVector.
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*/
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public double[] getSemiMajorAxisVector() { |
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return semiMajorAxisVector;
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} |
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/**
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* @param semiMajorAxisVector The majorAxisVector to set.
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*/
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public void setSemiMajorAxisVector(double[] semiMajorAxisVector) { |
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this.semiMajorAxisVector = semiMajorAxisVector;
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} |
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/**
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* @return Returns the extrusion.
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*/
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public double[] getExtrusion() { |
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return extrusion;
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} |
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/**
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* @param extrusion The extrusion to set.
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*/
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public void setExtrusion(double[] extrusion) { |
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this.extrusion = extrusion;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.jdwglib.dwg.IDwg3DTestable#has3DData()
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*/
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public boolean has3DData() { |
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return (getCenter()[2] !=0.0); |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.jdwglib.dwg.IDwg3DTestable#getZ()
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*/
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public double getZ() { |
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return getCenter()[2]; |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.jdwglib.dwg.IDwg2FMap#toFMapGeometry(boolean)
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*/
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public Geometry toFMapGeometry(boolean is3DFile) throws CreateGeometryException { |
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GeometryManager gMan = GeometryLocator.getGeometryManager(); |
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double[] c = getCenter(); |
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double[] semiMajorAxisVector = getSemiMajorAxisVector(); |
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double axisRatio = getAxisRatio();
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double angSt = getInitAngle();
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double angEnd = getEndAngle();
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double angExt = FMapUtil.angleDistance(angSt, angEnd);
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//Point2D axis1Start = new Point2D.Double(center.getX()+smav.getX(), center.getY()+smav.getY());
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Point axis1Start = (Point)gMan.create(Geometry.TYPES.POINT, |
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getGeometrySubType(is3DFile)); |
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double[] tmp; |
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tmp = new double[c.length]; |
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for (int i=0;i< c.length;i++){ |
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tmp[i]=c[i]+semiMajorAxisVector[i]; |
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} |
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axis1Start.setCoordinates(tmp); |
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//Point2D axis1End = new Point2D.Double(center.getX()-smav.getX(), center.getY()-smav.getY());
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Point axis1End = (Point)gMan.create(Geometry.TYPES.POINT, |
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getGeometrySubType(is3DFile)); |
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tmp = new double[c.length]; |
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for (int i=0;i< c.length;i++){ |
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tmp[i]=c[i]-semiMajorAxisVector[i]; |
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} |
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axis1End.setCoordinates(tmp); |
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Point2D smav = new Point2D.Double(semiMajorAxisVector[0],semiMajorAxisVector[1]); |
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Point2D origen = new Point2D.Double(0.0,0.0); |
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double semiMajorAxisLenght = origen.distance(smav);
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double semiMinorAxisLenght = semiMajorAxisLenght * axisRatio;
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EllipticArc ellipse = (EllipticArc) gMan.create(getGeometryType(), |
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getGeometrySubType(is3DFile)); |
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ellipse.setPoints(axis1Start, axis1End, semiMinorAxisLenght, -angSt, |
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-angExt); |
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return ellipse;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.jdwglib.dwg.IDwg2FMap#toFMapString(boolean)
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*/
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public String toFMapString(boolean is3DFile) { |
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if(is3DFile) {
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return "EllipticArc2DZ"; |
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} else {
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return "EllipticArc2D"; |
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} |
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} |
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public String toString(){ |
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return "Ellipse"; |
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} |
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public void transform2Block(double[] bPoint, Point2D insPoint, |
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double[] scale, double rot, |
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List dwgObjectsWithoutBlocks,
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Map handleObjWithoutBlocks,
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DwgFile callBack) { |
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DwgEllipse transformedEntity = null;
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double[] center = this.getCenter(); |
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Point2D pointAux = new Point2D.Double(center[0] - bPoint[0], center[1] - bPoint[1]); |
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double laX = insPoint.getX() + ((pointAux.getX()*scale[0])*Math.cos(rot) + (pointAux.getY()*scale[1])*(-1)*Math.sin(rot)); |
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double laY = insPoint.getY() + ((pointAux.getX()*scale[0])*Math.sin(rot) + (pointAux.getY()*scale[1])*Math.cos(rot)); |
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double laZ = center[2] * scale[2]; |
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double[] transformedCenter = new double[]{laX, laY, laZ}; |
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double[] majorAxisVector = this.getSemiMajorAxisVector(); |
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double[] transformedMajorAxisVector = new double[]{majorAxisVector[0] * scale[0], majorAxisVector[1] * scale[1], majorAxisVector[2] * scale[2]}; |
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//TODO: Rotar un �ngulo rot el vector majorAxisVector fijado en
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// center.
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double axisRatio = this.getAxisRatio(); |
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double transformedAxisRatio = axisRatio;
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double initAngle = this.getInitAngle(); |
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double endAngle = this.getEndAngle(); |
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double transformedInitAngle = initAngle + rot;
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if (transformedInitAngle<0) { |
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transformedInitAngle = transformedInitAngle + (2*Math.PI); |
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} else if (transformedInitAngle>(2*Math.PI)) { |
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transformedInitAngle = transformedInitAngle - (2*Math.PI); |
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} |
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double transformedEndAngle = endAngle + rot;
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if (transformedEndAngle<0) { |
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transformedEndAngle = transformedEndAngle + (2*Math.PI); |
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} else if (transformedEndAngle>(2*Math.PI)) { |
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transformedEndAngle = transformedEndAngle - (2*Math.PI); |
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} |
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transformedEntity = (DwgEllipse)this.clone();
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transformedEntity.setCenter(transformedCenter); |
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transformedEntity.setSemiMajorAxisVector(transformedMajorAxisVector); |
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transformedEntity.setAxisRatio(transformedAxisRatio); |
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transformedEntity.setInitAngle(transformedInitAngle); |
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transformedEntity.setEndAngle(transformedEndAngle); |
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dwgObjectsWithoutBlocks.add(transformedEntity); |
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handleObjWithoutBlocks.put(new Integer(transformedEntity.getHandle().getOffset()), transformedEntity); |
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// dwgObjectsWithoutBlocks.add(this);
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} |
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/* (non-Javadoc)
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* @see java.lang.Object#clone()
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*/
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public Object clone(){ |
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DwgEllipse obj = new DwgEllipse(index);
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this.fill(obj);
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return obj;
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} |
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protected void fill(DwgObject obj){ |
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super.fill(obj);
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DwgEllipse myObj = (DwgEllipse)obj; |
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myObj.setAxisRatio(axisRatio); |
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myObj.setCenter(center); |
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myObj.setEndAngle(endAngle); |
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myObj.setExtrusion(extrusion); |
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myObj.setInitAngle(initAngle); |
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myObj.setSemiMajorAxisVector(semiMajorAxisVector); |
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} |
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public int getGeometryType() { |
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return Geometry.TYPES.ELLIPTICARC;
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} |
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} |