svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.jts / src / main / java / org / gvsig / fmap / geom / jts / primitive / surface / ellipse / AbstractEllipse.java @ 47432
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 gvSIG Association
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.geom.jts.primitive.surface.ellipse; |
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import java.awt.Shape; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.PathIterator; |
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import org.cresques.cts.CoordTransRuntimeException; |
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import org.cresques.cts.ICoordTrans; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
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import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
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import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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import org.gvsig.fmap.geom.jts.primitive.surface.AbstractSurface; |
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import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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import org.gvsig.fmap.geom.jts.util.UtilFunctions; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.OrientablePrimitive; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Polygon; |
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import org.gvsig.fmap.geom.primitive.Ring; |
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import org.gvsig.tools.exception.BaseException; |
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/**
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* @author fdiaz
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*
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*/
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public abstract class AbstractEllipse extends AbstractSurface { |
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/**
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*
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*/
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private static final long serialVersionUID = -4218931408628745830L; |
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protected Point init; |
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protected Point end; |
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protected double ydist; |
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/**
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* @param type
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* @param subtype
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*/
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protected AbstractEllipse(int type, int subtype) { |
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super(type, subtype);
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} |
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@Override
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public Geometry force2D() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Ellipse2D other = new Ellipse2D(); |
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other.setPoints((Point)init.force2D(), (Point)end.force2D(), ydist); |
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other.setProjection(this.getProjection());
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return other;
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} |
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@Override
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public Geometry force2DM() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Ellipse2DM other = new Ellipse2DM();
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other.setProjection(this.getProjection());
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other.setPoints((Point)init.force2DM(), (Point)end.force2DM(), ydist); |
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return other;
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} |
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@Override
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public Geometry force3D() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Ellipse2DZ other = new Ellipse2DZ();
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other.setProjection(this.getProjection());
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other.setPoints((Point)init.force3D(), (Point)end.force3D(), ydist); |
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return other;
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} |
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@Override
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public Geometry force3DM() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Ellipse2DZM other = new Ellipse2DZM();
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other.setProjection(this.getProjection());
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other.setPoints((Point)init.force3DM(), (Point)end.force3DM(), ydist); |
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return other;
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} |
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@Override
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public int getNumInteriorRings() { |
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String message = "Calling deprecated method getInteriorRing of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public Ring getInteriorRing(int index) { |
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String message = "Calling deprecated method getInteriorRing of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void addInteriorRing(Ring ring) { |
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String message = "Calling unsupported method addInteriorRing of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void addInteriorRing(Line ring) { |
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String message = "Calling unsupported method addInteriorRing of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void addInteriorRing(Polygon polygon) { |
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String message = "Calling unsupported method addInteriorRing of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void removeInteriorRing(int index) { |
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String message = "Calling unsupported method removeInteriorRing of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public double getCoordinateAt(int index, int dimension) { |
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String message = "Calling deprecated method getCoordinateAt of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public OrientablePrimitive setCoordinateAt(int index, int dimension, double value) { |
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String message = "Calling deprecated method setCoordinateAt of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public OrientablePrimitive addVertex(Point point) { |
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String message = "Calling deprecated method addVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public OrientablePrimitive addVertex(double x, double y) { |
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String message = "Calling deprecated method addVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public OrientablePrimitive addVertex(double x, double y, double z) { |
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String message = "Calling deprecated method addVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void removeVertex(int index) { |
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String message = "Calling deprecated method removeVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public Point getVertex(int index) { |
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String message = "Calling deprecated method getVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public int getNumVertices() { |
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String message = "Calling deprecated method getNumVertices of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public OrientablePrimitive insertVertex(int index, Point p) { |
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String message = "Calling deprecated method insertVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public OrientablePrimitive setVertex(int index, Point p) { |
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String message = "Calling deprecated method setVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void setGeneralPath(GeneralPathX generalPathX) { |
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String message = "Calling deprecated method setGeneralPath of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void addMoveToVertex(Point point) { |
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String message = "Calling deprecated method addMoveToVertex of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void closePrimitive() { |
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String message = "Calling deprecated method closePrimitive of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public OrientablePrimitive ensureCapacity(int capacity) { |
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String message = "Calling deprecated method ensureCapacity of a ellipse"; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public void reProject(ICoordTrans ct) { |
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// FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n,
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// rotaci?n y escala
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// Ser?a incorrecto para las de deformaci?n en cizallamiento
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Point2D aux = new Point2D(this.getProjection(), JTSUtils.getPointAtYAxisInEllipse(init, end, ydist)); |
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try {
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init.reProject(ct); |
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end.reProject(ct); |
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aux.reProject(ct); |
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this.setProjection(ct.getPDest());
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} catch (CoordTransRuntimeException e) {
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//Si no se ha podido reproyectar alguno de los puntos, les asignamos 0 a todas las coordenadas
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init.setX(0);
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init.setY(0);
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end.setX(0);
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end.setY(0);
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ydist = 0;
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} |
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try {
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Point2D transformedMiddlePoint = new Point2D(this.getProjection(), JTSUtils.getMidPoint(init, end)); |
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ydist = transformedMiddlePoint.distance(aux); |
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} catch (BaseException e) {
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throw new UnsupportedOperationException("Error calculating the radius of the transformed circle.", e); |
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} |
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} |
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@Override
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public void transform(AffineTransform at) { |
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//FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n, rotaci?n y escala
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// Ser?a incorrecto para las de deformaci?n en cizallamiento
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Point2D aux = new Point2D(this.getProjection(), JTSUtils.getPointAtYAxisInEllipse(init, end, ydist)); |
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init.transform(at); |
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end.transform(at); |
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aux.transform(at); |
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try {
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Point2D transformedMiddlePoint = new Point2D(this.getProjection(), JTSUtils.getMidPoint(init, end)); |
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ydist = transformedMiddlePoint.distance(aux); |
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} catch (BaseException e) {
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throw new UnsupportedOperationException("Error calculating the minor semi-axis of the transformed ellipse.", e); |
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} |
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} |
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@Override
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public int getDimension() { |
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return init.getDimension();
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} |
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@Override
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public Shape getShape(AffineTransform affineTransform) { |
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return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0); |
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} |
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@Override
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public Shape getShape() { |
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return getShape(null); |
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} |
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@Override
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public PathIterator getPathIterator(AffineTransform at) { |
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return getPathIterator(at, getManager().getFlatness());
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} |
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@Override
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public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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java.awt.geom.Point2D.Double p1 = new java.awt.geom.Point2D.Double(init.getX(), init.getY());
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java.awt.geom.Point2D.Double p2 = new java.awt.geom.Point2D.Double(end.getX(), end.getY());
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java.awt.Shape ellipse = UtilFunctions.createEllipse(p1, p2, ydist); |
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return ellipse.getPathIterator(at, flatness);
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} |
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@Override
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public GeneralPathX getGeneralPath() {
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GeneralPathX gp = new DefaultGeneralPathX(getPathIterator(null, getManager().getFlatness()), is3D(), 0.0); |
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return gp;
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} |
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@Override
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public boolean is3D() { |
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return ((PointJTS)init).is3D();
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} |
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/**
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* @param point
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* @return
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*/
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protected abstract Point fixPoint(Point point); |
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public void setPoints(Point axis1Start, Point axis1End, double axis2Length) { |
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init = fixPoint(axis1Start); |
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end = fixPoint(axis1End); |
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ydist = axis2Length; |
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} |
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public Point getAxis1Start() { |
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return init;
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} |
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public Point getAxis1End() { |
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return end;
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} |
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public double getAxis2Dist() { |
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return ydist;
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} |
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@Override
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public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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//FIXME: throw UnssupportedOperationException or do nothing?
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// String message = "Can't flip a ellipse";
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// notifyDeprecated(message);
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// throw new UnsupportedOperationException(message);
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} |
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protected double getAxis1Angle() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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double angle = Math.acos((end.getX() - init.getX()) / init.distance(end)); |
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if (init.getY() > end.getY()) {
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angle = -angle; |
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} |
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if (angle < 0) { |
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angle += (2 * Math.PI); |
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} |
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return angle;
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} |
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@Override
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public boolean canBeTransformed(AffineTransform at) { |
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return false; |
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} |
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@Override
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public boolean canBeReprojected(ICoordTrans ct) { |
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return false; |
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} |
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@Override
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public Geometry offset(int joinStyle, double distance) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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return offset(distance);
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} |
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@Override
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public boolean isEmpty() { |
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return this.getNumVertices()<1; |
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} |
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} |