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 / ellipticarc / AbstractEllipticArc.java @ 44617
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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.ellipticarc; |
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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.Arc2D; |
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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.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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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.EllipticArc; |
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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 AbstractEllipticArc extends AbstractSurface { |
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/**
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*
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*/
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private static final long serialVersionUID = 6163269454714321454L; |
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protected Point axis1Start; |
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protected Point axis1End; |
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protected double semiAxis2Length; |
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protected double angSt; |
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protected double angExt; |
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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 AbstractEllipticArc(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 int getNumInteriorRings() { |
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String message = "Calling deprecated method getInteriorRing of a ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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 ellipticArc"; |
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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, 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(axis1Start, axis1End, semiAxis2Length)); |
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try {
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axis1Start.reProject(ct); |
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axis1End.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 ha fallado la reproyecci?n de alguno de los puntos, ponemos todas las coordenadas a 0
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axis1Start.setX(0);
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axis1Start.setY(0);
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axis1End.setX(0);
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axis1End.setY(0);
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semiAxis2Length = 0;
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} |
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try {
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Point2D transformedMiddlePoint = new Point2D(this.getProjection(), JTSUtils.getMidPoint(axis1Start, axis1End)); |
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semiAxis2Length = 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(axis1Start, axis1End, semiAxis2Length)); |
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axis1Start.transform(at); |
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axis1End.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(axis1Start, axis1End)); |
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semiAxis2Length = 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 axis1Start.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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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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try {
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double axis1Lenght = axis1Start.distance(axis1End);
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java.awt.geom.Point2D center = |
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new java.awt.geom.Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, |
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(axis1Start.getY() + axis1End.getY()) / 2);
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double x = center.getX() - axis1Lenght / 2; |
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double y = center.getY() - semiAxis2Length;
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double angle =
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UtilFunctions.getAngle(center, new java.awt.geom.Point2D.Double(axis1Start.getX(), axis1Start.getY()));
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Arc2D.Double arc =
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new Arc2D.Double(x, y, axis1Lenght, 2 * semiAxis2Length, Math.toDegrees(angSt), Math.toDegrees(angExt), |
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Arc2D.CHORD);
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AffineTransform mT = AffineTransform.getRotateInstance(angle, center.getX(), center.getY()); |
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return arc.getPathIterator(null, geomManager.getFlatness()); |
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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 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)axis1Start).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, double angSt, double angExt) { |
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this.axis1Start = fixPoint(axis1Start);
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this.axis1End = fixPoint(axis1End);
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this.semiAxis2Length = axis2Length;
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this.angSt = angSt;
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this.angExt = angExt;
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} |
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@Override
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public Geometry force2D() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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EllipticArc2D other = new EllipticArc2D();
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Point theAxis1Start = (Point) this.axis1Start.force2D(); |
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Point theAxis1End = (Point) this.axis1End.force2D(); |
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other.setPoints(theAxis1Start, theAxis1End, semiAxis2Length, angSt, angExt); |
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other.setProjection(this.getProjection());
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return other;
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} |
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public Point getAxis1Start() { |
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return axis1Start;
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} |
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public Point getAxis1End() { |
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return axis1End;
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} |
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public double getAxis2Dist() { |
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return semiAxis2Length;
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} |
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public double getAngSt(){ |
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return this.angSt; |
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} |
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public double getAngExt(){ |
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return this.angExt; |
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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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@Override
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public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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EllipticArc cloned = (EllipticArc) this.cloneGeometry();
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Point center = new Point2D((getAxis1Start().getX()+getAxis1End().getX())/2, |
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(getAxis1Start().getY()+getAxis1End().getY())/2);
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double axis1Lenght = getAxis1Start().distance(getAxis1End());
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Point clonedAxis1Start = (Point) getAxis1Start().cloneGeometry(); |
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Point clonedAxis1End = (Point) getAxis1End().cloneGeometry(); |
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double clonedYDist = this.semiAxis2Length+distance; |
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clonedAxis1Start.setX(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getX(), getAxis1Start().getX(), axis1Lenght/2+distance)); |
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clonedAxis1Start.setY(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getY(), getAxis1Start().getY(), axis1Lenght/2+distance)); |
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clonedAxis1End.setX(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getX(), getAxis1End().getX(), axis1Lenght/2+distance)); |
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clonedAxis1End.setY(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getY(), getAxis1End().getY(), axis1Lenght/2+distance)); |
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cloned.setPoints(clonedAxis1Start, clonedAxis1End, clonedYDist, this.angSt, this.angExt); |
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return cloned;
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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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} |