svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / util / Converter.java @ 21047
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib��ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.fmap.geom.util; |
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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.Area; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.PathIterator; |
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import java.awt.geom.Rectangle2D; |
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import java.lang.reflect.Array; |
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import java.util.ArrayList; |
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import org.apache.log4j.Logger; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryFactory; |
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import org.gvsig.fmap.geom.aggregate.BaseMultiPrimitive; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve2D; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint2D; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface2D; |
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import org.gvsig.fmap.geom.primitive.Curve2D; |
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import org.gvsig.fmap.geom.primitive.FShape; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Point2D; |
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import org.gvsig.fmap.geom.primitive.Surface2D; |
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import com.vividsolutions.jts.algorithm.CGAlgorithms; |
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import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.CoordinateArrays; |
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import com.vividsolutions.jts.geom.Envelope; |
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import com.vividsolutions.jts.geom.GeometryCollection; |
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import com.vividsolutions.jts.geom.LineString; |
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import com.vividsolutions.jts.geom.LinearRing; |
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import com.vividsolutions.jts.geom.MultiLineString; |
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import com.vividsolutions.jts.geom.MultiPolygon; |
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import com.vividsolutions.jts.geom.Point; |
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import com.vividsolutions.jts.geom.Polygon; |
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/**
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* Clase con varios m�todos est�ticos utilizados para pasar de java2d a jts y
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* viceversa.
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*
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* @author fjp
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*/
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public class Converter { |
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private static Logger logger = Logger.getLogger(Converter.class); |
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/**
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* �QU� PODEMOS HACER CON LOS MULTIPOINT??? => DEBER�AMOS TRABAJAR CON UN
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* ARRAY DE PUNTOS EN FShape.....Pensarlo bien.
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*/
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public final static com.vividsolutions.jts.geom.GeometryFactory geomFactory = new com.vividsolutions.jts.geom.GeometryFactory(); |
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public static CGAlgorithms cga = new RobustCGAlgorithms(); |
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// private final static AffineTransform at = new AffineTransform();
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//private static double POINT_MARKER_SIZE = 3.0;
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/**
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* Es la m�xima distancia que permitimos que el trazo aproximado
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* difiera del trazo real.
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*/
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public static double FLATNESS =0.8;// Por ejemplo. Cuanto m�s peque�o, m�s segmentos necesitar� la curva |
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//returns true if testPoint is a point in the pointList list.
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static boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
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int t;
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int numpoints;
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Coordinate p; |
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numpoints = Array.getLength(pointList);
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for (t = 0; t < numpoints; t++) { |
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p = pointList[t]; |
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if ((testPoint.x == p.x) && (testPoint.y == p.y) &&
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((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan
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) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/**
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* Receives a JTS Geometry and returns a fmap IGeometry
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* @param jtsGeometry jts Geometry
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* @return IGeometry of FMap
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* @author azabala
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*/
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public static Geometry jts_to_igeometry(com.vividsolutions.jts.geom.Geometry jtsGeometry){ |
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FShape shape = Converter.jts_to_java2d(jtsGeometry); |
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return GeometryFactory.createGeometry(shape);
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} |
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/**
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* Convierte un MultiPoint2D a un MultiPoint de JTS
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* @param geom
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* @return
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*/
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public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPoint2D geom) {
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Coordinate[] theGeoms = new Coordinate[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < theGeoms.length; i++) { |
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java.awt.geom.Point2D p = (java.awt.geom.Point2D) geom.getPrimitiveAt(i) |
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.getHandlers(Geometry.SELECTHANDLER)[0].getPoint();
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Coordinate c = new Coordinate(p.getX(), p.getY());
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theGeoms[i] = c; |
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} |
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com.vividsolutions.jts.geom.MultiPoint geomCol = new com.vividsolutions.jts.geom.GeometryFactory()
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.createMultiPoint(theGeoms); |
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return geomCol;
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} |
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/**
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* Convierte una MultiCurve2D en una MultiLineString de JTS
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* @param geom
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* @return
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*/
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public static com.vividsolutions.jts.geom.Geometry geometryToJts(MultiCurve2D geom) { |
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LineString[] lines = new LineString[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < lines.length; i++){ |
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lines[i] = (LineString) geometryToJts(((Curve2D) geom.getPrimitiveAt(i))); |
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} |
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return new com.vividsolutions.jts.geom.GeometryFactory().createMultiLineString(lines); |
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} |
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/**
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* Convierte una MultiSurface2D en un MultiPolygon de JTS
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* @return
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*/
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public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiSurface2D geom) {
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Polygon[] polygons = new Polygon[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < polygons.length; i++){ |
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polygons[i] = (Polygon) geometryToJts(((Surface2D)geom.getPrimitiveAt(i)));
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} |
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return new com.vividsolutions.jts.geom.GeometryFactory().createMultiPolygon(polygons); |
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} |
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/**
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* Convierte una BaseMultiPrimitive en una GeometryCollection de JTS
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* @return
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*/
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public com.vividsolutions.jts.geom.Geometry geometryToJts(BaseMultiPrimitive geom) {
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com.vividsolutions.jts.geom.Geometry[] geometriesAux = new LineString[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < geometriesAux.length; i++) { |
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geometriesAux[i] = geometryToJts(((Geometry) geom.getPrimitiveAt(i))); |
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} |
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return new com.vividsolutions.jts.geom.GeometryFactory().createGeometryCollection(geometriesAux); |
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} |
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public static com.vividsolutions.jts.geom.Geometry geometryToJts(Geometry geom) { |
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logger.debug(geom.getClass()); |
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logger.debug(geom.getShapeType()); |
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return java2d_to_jts((Shape)geom, geom.getShapeType()); |
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} |
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public static com.vividsolutions.jts.geom.Geometry java2d_to_jts(FShape shp) { |
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return java2d_to_jts(shp, shp.getShapeType());
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} |
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/**
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* Convierte un FShape a una Geometry del JTS. Para ello, utilizamos un
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* "flattened PathIterator". El flattened indica que las curvas las pasa a
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* segmentos de l�nea recta AUTOMATICAMENTE!!!.
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*
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* @param shp FShape que se quiere convertir.
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*
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* @return Geometry de JTS.
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*/
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private static com.vividsolutions.jts.geom.Geometry java2d_to_jts(Shape shp, int shapeType) { |
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com.vividsolutions.jts.geom.Geometry geoJTS = null;
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Coordinate coord; |
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//Coordinate[] coords;
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ArrayList arrayCoords = null; |
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ArrayList arrayLines;
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LineString lin; |
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//LinearRing linRing;
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//LinearRing linRingExt = null;
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int theType;
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int numParts = 0; |
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// Use this array to store segment coordinate data
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double[] theData = new double[6]; |
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PathIterator theIterator;
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logger.debug(shp.toString()); |
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switch (shapeType) {
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case FShape.POINT:
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case FShape.POINT + FShape.Z:
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org.gvsig.fmap.geom.primitive.Point2D p = (org.gvsig.fmap.geom.primitive.Point2D) shp; |
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coord = new Coordinate(p.getX(), p.getY());
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geoJTS = geomFactory.createPoint(coord); |
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break;
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case FShape.LINE:
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case FShape.ARC:
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case FShape.LINE + FShape.Z:
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arrayLines = new ArrayList(); |
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theIterator = shp.getPathIterator(null, FLATNESS);
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while (!theIterator.isDone()) {
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//while not done
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theType = theIterator.currentSegment(theData); |
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//Populate a segment of the new
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// GeneralPathX object.
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//Process the current segment to populate a new
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// segment of the new GeneralPathX object.
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switch (theType) {
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case PathIterator.SEG_MOVETO: |
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// System.out.println("SEG_MOVETO");
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if (arrayCoords == null) { |
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arrayCoords = new ArrayList(); |
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} else {
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lin = geomFactory.createLineString(CoordinateArrays.toCoordinateArray( |
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arrayCoords)); |
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arrayLines.add(lin); |
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arrayCoords = new ArrayList(); |
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} |
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numParts++; |
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arrayCoords.add(new Coordinate(theData[0], |
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theData[1]));
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break;
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case PathIterator.SEG_LINETO: |
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// System.out.println("SEG_LINETO");
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arrayCoords.add(new Coordinate(theData[0], |
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theData[1]));
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break;
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case PathIterator.SEG_QUADTO: |
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System.out.println("Not supported here"); |
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break;
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case PathIterator.SEG_CUBICTO: |
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System.out.println("Not supported here"); |
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break;
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case PathIterator.SEG_CLOSE: |
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// A�adimos el primer punto para cerrar.
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Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
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arrayCoords.add(new Coordinate(firstCoord.x,
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firstCoord.y)); |
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break;
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} //end switch
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theIterator.next(); |
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} //end while loop
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lin = new com.vividsolutions.jts.geom.GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
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arrayCoords)); |
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// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
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// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
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// O CON GEOTOOLS
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// if (numParts > 1) // Generamos una MultiLineString
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// {
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arrayLines.add(lin); |
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geoJTS = geomFactory.createMultiLineString(com.vividsolutions.jts.geom.GeometryFactory.toLineStringArray( |
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arrayLines)); |
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/* } else {
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geoJTS = lin;
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} */
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break;
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case FShape.POLYGON:
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case FShape.CIRCLE:
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case FShape.ELLIPSE:
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case FShape.POLYGON + FShape.Z:
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arrayLines = new ArrayList(); |
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ArrayList shells = new ArrayList(); |
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ArrayList holes = new ArrayList(); |
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Coordinate[] points = null; |
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theIterator = shp.getPathIterator(null, FLATNESS);
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while (!theIterator.isDone()) {
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//while not done
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theType = theIterator.currentSegment(theData); |
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//Populate a segment of the new
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// GeneralPathX object.
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//Process the current segment to populate a new
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// segment of the new GeneralPathX object.
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switch (theType) {
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case PathIterator.SEG_MOVETO: |
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// System.out.println("SEG_MOVETO");
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if (arrayCoords == null) { |
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arrayCoords = new ArrayList(); |
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} else {
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points = CoordinateArrays.toCoordinateArray(arrayCoords); |
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try {
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LinearRing ring = geomFactory.createLinearRing(points); |
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if (CGAlgorithms.isCCW(points)) {
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holes.add(ring); |
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} else {
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shells.add(ring); |
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} |
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} catch (Exception e) { |
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/* (jaume) caso cuando todos los puntos son iguales
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* devuelvo el propio punto
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*/
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boolean same = true; |
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for (int i = 0; i < points.length-1 && same; i++) { |
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if (points[i].x != points[i+1].x || |
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points[i].y != points[i+1].y /*|| |
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points[i].z != points[i+1].z*/
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) same = false;
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} |
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if (same)
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return geomFactory.createPoint(points[0]); |
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/*
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* caso cuando es una l�nea de 3 puntos, no creo un LinearRing, sino
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* una linea
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*/
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if (points.length>1 && points.length<=3) |
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// return geomFactory.createLineString(points);
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return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
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System.err.println(
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"Caught Topology exception in GMLLinearRingHandler");
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return null; |
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} |
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/* if (numParts == 1)
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{
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linRingExt = new GeometryFactory().createLinearRing(
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CoordinateArrays.toCoordinateArray(arrayCoords));
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}
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else
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{
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linRing = new GeometryFactory().createLinearRing(
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CoordinateArrays.toCoordinateArray(arrayCoords));
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arrayLines.add(linRing);
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} */
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arrayCoords = new ArrayList(); |
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} |
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numParts++; |
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arrayCoords.add(new Coordinate(theData[0], |
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theData[1]));
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break;
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case PathIterator.SEG_LINETO: |
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// System.out.println("SEG_LINETO");
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arrayCoords.add(new Coordinate(theData[0], |
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theData[1]));
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break;
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|
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case PathIterator.SEG_QUADTO: |
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System.out.println("SEG_QUADTO Not supported here"); |
414 |
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break;
|
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case PathIterator.SEG_CUBICTO: |
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System.out.println("SEG_CUBICTO Not supported here"); |
419 |
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break;
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|
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case PathIterator.SEG_CLOSE: |
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|
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// A�adimos el primer punto para cerrar.
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Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
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arrayCoords.add(new Coordinate(firstCoord.x,
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firstCoord.y)); |
428 |
|
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break;
|
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} //end switch
|
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|
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// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
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theIterator.next(); |
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} //end while loop
|
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|
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arrayCoords.add(arrayCoords.get(0));
|
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points = CoordinateArrays.toCoordinateArray(arrayCoords); |
438 |
|
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try {
|
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LinearRing ring = geomFactory.createLinearRing(points); |
441 |
|
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if (CGAlgorithms.isCCW(points)) {
|
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holes.add(ring); |
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} else {
|
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shells.add(ring); |
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} |
447 |
} catch (Exception e) { |
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/* (jaume) caso cuando todos los puntos son iguales
|
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* devuelvo el propio punto
|
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*/
|
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boolean same = true; |
452 |
for (int i = 0; i < points.length-1 && same; i++) { |
453 |
if (points[i].x != points[i+1].x || |
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points[i].y != points[i+1].y /*|| |
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points[i].z != points[i+1].z*/
|
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) same = false;
|
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} |
458 |
if (same)
|
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return geomFactory.createPoint(points[0]); |
460 |
/*
|
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* caso cuando es una l�nea de 3 puntos, no creo un LinearRing, sino
|
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* una linea
|
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*/
|
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if (points.length>1 && points.length<=3) |
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// return geomFactory.createLineString(points);
|
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return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
467 |
System.err.println(
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468 |
"Caught Topology exception in GMLLinearRingHandler");
|
469 |
|
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return null; |
471 |
} |
472 |
|
473 |
/* linRing = new GeometryFactory().createLinearRing(
|
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CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
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|
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// System.out.println("NumParts = " + numParts);
|
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//now we have a list of all shells and all holes
|
478 |
ArrayList holesForShells = new ArrayList(shells.size()); |
479 |
|
480 |
for (int i = 0; i < shells.size(); i++) { |
481 |
holesForShells.add(new ArrayList()); |
482 |
} |
483 |
|
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//find homes
|
485 |
for (int i = 0; i < holes.size(); i++) { |
486 |
LinearRing testRing = (LinearRing) holes.get(i); |
487 |
LinearRing minShell = null;
|
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Envelope minEnv = null;
|
489 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
490 |
Coordinate testPt = testRing.getCoordinateN(0);
|
491 |
LinearRing tryRing = null;
|
492 |
|
493 |
for (int j = 0; j < shells.size(); j++) { |
494 |
tryRing = (LinearRing) shells.get(j); |
495 |
|
496 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
497 |
|
498 |
if (minShell != null) { |
499 |
minEnv = minShell.getEnvelopeInternal(); |
500 |
} |
501 |
|
502 |
boolean isContained = false; |
503 |
Coordinate[] coordList = tryRing.getCoordinates();
|
504 |
|
505 |
if (tryEnv.contains(testEnv) &&
|
506 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
507 |
(pointInList(testPt, coordList)))) { |
508 |
isContained = true;
|
509 |
} |
510 |
|
511 |
// check if this new containing ring is smaller than the current minimum ring
|
512 |
if (isContained) {
|
513 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
514 |
minShell = tryRing; |
515 |
} |
516 |
} |
517 |
} |
518 |
|
519 |
if (minShell == null) { |
520 |
// System.out.println(
|
521 |
// "polygon found with a hole thats not inside a shell");
|
522 |
//azabala: we do the assumption that this hole is really a shell (polygon)
|
523 |
//whose point werent digitized in the right order
|
524 |
Coordinate[] cs = testRing.getCoordinates();
|
525 |
Coordinate[] reversed = new Coordinate[cs.length]; |
526 |
int pointIndex = 0; |
527 |
for(int z = cs.length-1; z >= 0; z--){ |
528 |
reversed[pointIndex] = cs[z]; |
529 |
pointIndex++; |
530 |
} |
531 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
532 |
shells.add(newRing); |
533 |
holesForShells.add(new ArrayList()); |
534 |
} else {
|
535 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
536 |
} |
537 |
} |
538 |
|
539 |
Polygon[] polygons = new Polygon[shells.size()]; |
540 |
|
541 |
for (int i = 0; i < shells.size(); i++) { |
542 |
polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
543 |
i), |
544 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
545 |
new LinearRing[0])); |
546 |
} |
547 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
548 |
// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
549 |
// O CON GEOTOOLS
|
550 |
// if (numParts > 1) // Generamos una MultiLineString
|
551 |
|
552 |
/* if (polygons.length == 1) {
|
553 |
return polygons[0];
|
554 |
} */
|
555 |
|
556 |
// FIN CAMBIO
|
557 |
|
558 |
holesForShells = null;
|
559 |
shells = null;
|
560 |
holes = null;
|
561 |
|
562 |
//its a multi part
|
563 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
564 |
|
565 |
/* if (numParts > 1) // Generamos un Polygon con agujeros
|
566 |
{
|
567 |
arrayLines.add(linRing);
|
568 |
// geoJTS = new GeometryFactory().createPolygon(linRingExt,
|
569 |
// GeometryFactory.toLinearRingArray(arrayLines));
|
570 |
geoJTS = new GeometryFactory().buildGeometry(arrayLines);
|
571 |
|
572 |
// geoJTS = Polygonizer.class.
|
573 |
}
|
574 |
else
|
575 |
{
|
576 |
geoJTS = new GeometryFactory().createPolygon(linRing,null);
|
577 |
} */
|
578 |
break;
|
579 |
} |
580 |
|
581 |
return geoJTS;
|
582 |
} |
583 |
|
584 |
/**
|
585 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
586 |
*
|
587 |
* @param geo Geometry de JTS.
|
588 |
*
|
589 |
* @return FShape.
|
590 |
*/
|
591 |
public static FShape jts_to_java2d(com.vividsolutions.jts.geom.Geometry geo) { |
592 |
FShape shpNew = null;
|
593 |
|
594 |
try {
|
595 |
if (geo instanceof Point) { |
596 |
shpNew = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ((Point) geo).getX(), ((Point) geo).getY()); |
597 |
} |
598 |
|
599 |
if (geo.isEmpty()) {
|
600 |
shpNew = null;
|
601 |
} |
602 |
|
603 |
if (geo instanceof Polygon) { |
604 |
shpNew = new Surface2D(null, null, toShape((Polygon) geo)); |
605 |
} |
606 |
|
607 |
if (geo instanceof MultiPolygon) { |
608 |
shpNew = new Surface2D(null, null, toShape((MultiPolygon) geo)); |
609 |
} |
610 |
|
611 |
if (geo instanceof LineString) { |
612 |
shpNew = new Curve2D(null, null, toShape((LineString) geo)); |
613 |
} |
614 |
|
615 |
if (geo instanceof MultiLineString) { |
616 |
shpNew = new Curve2D(null, null, toShape((MultiLineString) geo)); |
617 |
} |
618 |
|
619 |
/* OJO: CON ALGO COMO FSHAPE NO S� C�MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
620 |
* No sabremos si queremos una l�nea o un pol�gono.....
|
621 |
* if (geometry instanceof GeometryCollection) {
|
622 |
return toShape((GeometryCollection) geometry);
|
623 |
} */
|
624 |
return shpNew;
|
625 |
} catch (NoninvertibleTransformException e) { |
626 |
// TODO Auto-generated catch block
|
627 |
e.printStackTrace(); |
628 |
} |
629 |
|
630 |
return null; |
631 |
} |
632 |
|
633 |
/**
|
634 |
* DOCUMENT ME!
|
635 |
*
|
636 |
* @param p DOCUMENT ME!
|
637 |
*
|
638 |
* @return DOCUMENT ME!
|
639 |
*/
|
640 |
private static GeneralPathX toShape(Polygon p) { |
641 |
GeneralPathX resul = new GeneralPathX();
|
642 |
Coordinate coord; |
643 |
|
644 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
645 |
coord = p.getExteriorRing().getCoordinateN(i); |
646 |
|
647 |
if (i == 0) { |
648 |
resul.moveTo(coord.x,coord.y); |
649 |
} else {
|
650 |
resul.lineTo(coord.x,coord.y); |
651 |
} |
652 |
} |
653 |
|
654 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
655 |
LineString hole = p.getInteriorRingN(j); |
656 |
|
657 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
658 |
coord = hole.getCoordinateN(k); |
659 |
|
660 |
if (k == 0) { |
661 |
resul.moveTo(coord.x, coord.y); |
662 |
} else {
|
663 |
resul.lineTo(coord.x, coord.y); |
664 |
} |
665 |
} |
666 |
} |
667 |
|
668 |
return resul;
|
669 |
} |
670 |
|
671 |
/**
|
672 |
* DOCUMENT ME!
|
673 |
*
|
674 |
* @param modelCoordinates DOCUMENT ME!
|
675 |
*
|
676 |
* @return DOCUMENT ME!
|
677 |
*
|
678 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
679 |
*
|
680 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
|
681 |
throws NoninvertibleTransformException {
|
682 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
|
683 |
|
684 |
for (int i = 0; i < modelCoordinates.length; i++) {
|
685 |
FPoint2D point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
686 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
687 |
}
|
688 |
|
689 |
return viewCoordinates;
|
690 |
} */
|
691 |
|
692 |
/* private Shape toShape(GeometryCollection gc)
|
693 |
throws NoninvertibleTransformException {
|
694 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
695 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
696 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
697 |
shape.add(toShape(g));
|
698 |
}
|
699 |
return shape;
|
700 |
} */
|
701 |
private static GeneralPathX toShape(MultiLineString mls) |
702 |
throws NoninvertibleTransformException { |
703 |
GeneralPathX path = new GeneralPathX();
|
704 |
|
705 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
706 |
LineString lineString = (LineString) mls.getGeometryN(i); |
707 |
path.append(toShape(lineString), false);
|
708 |
} |
709 |
|
710 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
711 |
//converted to GeneralPathXs. [Jon Aquino]
|
712 |
return path;
|
713 |
} |
714 |
|
715 |
/**
|
716 |
* DOCUMENT ME!
|
717 |
*
|
718 |
* @param lineString DOCUMENT ME!
|
719 |
*
|
720 |
* @return DOCUMENT ME!
|
721 |
*
|
722 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
723 |
*/
|
724 |
private static GeneralPathX toShape(LineString lineString) |
725 |
throws NoninvertibleTransformException { |
726 |
GeneralPathX shape = new GeneralPathX();
|
727 |
org.gvsig.fmap.geom.primitive.Point2D viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
728 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
729 |
|
730 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
731 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
732 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
733 |
} |
734 |
|
735 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
736 |
//converted to GeneralPathXs. [Jon Aquino]
|
737 |
return shape;
|
738 |
} |
739 |
|
740 |
/* TODO No se usa
|
741 |
* DOCUMENT ME!
|
742 |
*
|
743 |
* @param point DOCUMENT ME!
|
744 |
*
|
745 |
* @return DOCUMENT ME!
|
746 |
*
|
747 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
748 |
*
|
749 |
private static Point2D toShape(Point point)
|
750 |
throws NoninvertibleTransformException {
|
751 |
Point2D viewPoint = coordinate2FPoint2D(point.getCoordinate());
|
752 |
|
753 |
return viewPoint;
|
754 |
}
|
755 |
*/
|
756 |
|
757 |
/**
|
758 |
*
|
759 |
*/
|
760 |
private static GeneralPathX toShape(MultiPolygon mp) |
761 |
throws NoninvertibleTransformException { |
762 |
GeneralPathX path = new GeneralPathX();
|
763 |
|
764 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
765 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
766 |
path.append(toShape(polygon), false);
|
767 |
} |
768 |
|
769 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
770 |
//converted to GeneralPathXs. [Jon Aquino]
|
771 |
return path;
|
772 |
} |
773 |
/**
|
774 |
* DOCUMENT ME!
|
775 |
*
|
776 |
* @param coord DOCUMENT ME!
|
777 |
*
|
778 |
* @return DOCUMENT ME!
|
779 |
*/
|
780 |
public static org.gvsig.fmap.geom.primitive.Point2D coordinate2FPoint2D(Coordinate coord) { |
781 |
return new org.gvsig.fmap.geom.primitive.Point2D(null, null, coord.x, coord.y); //,coord.z); |
782 |
} |
783 |
|
784 |
/**
|
785 |
* Convierte una Geometry de JTS a GeneralPathX.
|
786 |
*
|
787 |
* @param geometry Geometry a convertir.
|
788 |
*
|
789 |
* @return GeneralPathX.
|
790 |
*
|
791 |
* @throws NoninvertibleTransformException
|
792 |
* @throws IllegalArgumentException
|
793 |
*/
|
794 |
public static GeneralPathX toShape(com.vividsolutions.jts.geom.Geometry geometry) |
795 |
throws NoninvertibleTransformException { |
796 |
if (geometry.isEmpty()) {
|
797 |
return new GeneralPathX(); |
798 |
} |
799 |
|
800 |
if (geometry instanceof Polygon) { |
801 |
return toShape((Polygon) geometry); |
802 |
} |
803 |
|
804 |
if (geometry instanceof MultiPolygon) { |
805 |
return toShape((MultiPolygon) geometry);
|
806 |
} |
807 |
|
808 |
if (geometry instanceof LineString) { |
809 |
return toShape((LineString) geometry);
|
810 |
} |
811 |
|
812 |
if (geometry instanceof MultiLineString) { |
813 |
return toShape((MultiLineString) geometry);
|
814 |
} |
815 |
|
816 |
if (geometry instanceof GeometryCollection) { |
817 |
return toShape((GeometryCollection) geometry);
|
818 |
} |
819 |
|
820 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
821 |
geometry.getClass()); |
822 |
} |
823 |
|
824 |
|
825 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
826 |
GeneralPathX newGp = new GeneralPathX();
|
827 |
PathIterator theIterator;
|
828 |
int theType;
|
829 |
int numParts = 0; |
830 |
double[] theData = new double[6]; |
831 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
832 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
833 |
boolean bFirst = true; |
834 |
int xInt, yInt, antX = -1, antY = -1; |
835 |
|
836 |
theIterator = gp.getPathIterator(null); //, flatness); |
837 |
|
838 |
while (!theIterator.isDone()) {
|
839 |
theType = theIterator.currentSegment(theData); |
840 |
switch (theType) {
|
841 |
case PathIterator.SEG_MOVETO: |
842 |
numParts++; |
843 |
ptSrc.setLocation(theData[0], theData[1]); |
844 |
at.transform(ptSrc, ptDst); |
845 |
antX = (int) ptDst.getX();
|
846 |
antY = (int) ptDst.getY();
|
847 |
newGp.moveTo(antX, antY); |
848 |
bFirst = true;
|
849 |
break;
|
850 |
|
851 |
case PathIterator.SEG_LINETO: |
852 |
ptSrc.setLocation(theData[0], theData[1]); |
853 |
at.transform(ptSrc, ptDst); |
854 |
xInt = (int) ptDst.getX();
|
855 |
yInt = (int) ptDst.getY();
|
856 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
857 |
{ |
858 |
newGp.lineTo(xInt, yInt); |
859 |
antX = xInt; |
860 |
antY = yInt; |
861 |
bFirst = false;
|
862 |
} |
863 |
break;
|
864 |
|
865 |
case PathIterator.SEG_QUADTO: |
866 |
System.out.println("Not supported here"); |
867 |
|
868 |
break;
|
869 |
|
870 |
case PathIterator.SEG_CUBICTO: |
871 |
System.out.println("Not supported here"); |
872 |
|
873 |
break;
|
874 |
|
875 |
case PathIterator.SEG_CLOSE: |
876 |
newGp.closePath(); |
877 |
|
878 |
break;
|
879 |
} //end switch
|
880 |
|
881 |
theIterator.next(); |
882 |
} //end while loop
|
883 |
|
884 |
return newGp;
|
885 |
} |
886 |
public static FShape transformToInts(Geometry gp, AffineTransform at) { |
887 |
GeneralPathX newGp = new GeneralPathX();
|
888 |
double[] theData = new double[6]; |
889 |
double[] aux = new double[6]; |
890 |
|
891 |
// newGp.reset();
|
892 |
PathIterator theIterator;
|
893 |
int theType;
|
894 |
int numParts = 0; |
895 |
|
896 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
897 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
898 |
boolean bFirst = true; |
899 |
int xInt, yInt, antX = -1, antY = -1; |
900 |
|
901 |
|
902 |
theIterator = gp.getPathIterator(null); //, flatness); |
903 |
int numSegmentsAdded = 0; |
904 |
while (!theIterator.isDone()) {
|
905 |
theType = theIterator.currentSegment(theData); |
906 |
|
907 |
switch (theType) {
|
908 |
case PathIterator.SEG_MOVETO: |
909 |
numParts++; |
910 |
ptSrc.setLocation(theData[0], theData[1]); |
911 |
at.transform(ptSrc, ptDst); |
912 |
antX = (int) ptDst.getX();
|
913 |
antY = (int) ptDst.getY();
|
914 |
newGp.moveTo(antX, antY); |
915 |
numSegmentsAdded++; |
916 |
bFirst = true;
|
917 |
break;
|
918 |
|
919 |
case PathIterator.SEG_LINETO: |
920 |
ptSrc.setLocation(theData[0], theData[1]); |
921 |
at.transform(ptSrc, ptDst); |
922 |
xInt = (int) ptDst.getX();
|
923 |
yInt = (int) ptDst.getY();
|
924 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
925 |
{ |
926 |
newGp.lineTo(xInt, yInt); |
927 |
antX = xInt; |
928 |
antY = yInt; |
929 |
bFirst = false;
|
930 |
numSegmentsAdded++; |
931 |
} |
932 |
break;
|
933 |
|
934 |
case PathIterator.SEG_QUADTO: |
935 |
at.transform(theData,0,aux,0,2); |
936 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
937 |
numSegmentsAdded++; |
938 |
break;
|
939 |
|
940 |
case PathIterator.SEG_CUBICTO: |
941 |
at.transform(theData,0,aux,0,3); |
942 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
943 |
numSegmentsAdded++; |
944 |
break;
|
945 |
|
946 |
case PathIterator.SEG_CLOSE: |
947 |
if (numSegmentsAdded < 3) |
948 |
newGp.lineTo(antX, antY); |
949 |
newGp.closePath(); |
950 |
|
951 |
break;
|
952 |
} //end switch
|
953 |
|
954 |
theIterator.next(); |
955 |
} //end while loop
|
956 |
|
957 |
FShape shp = null;
|
958 |
switch (gp.getShapeType())
|
959 |
{ |
960 |
case FShape.POINT: //Tipo punto |
961 |
case FShape.POINT + FShape.Z:
|
962 |
shp = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ptDst.getX(), ptDst.getY()); |
963 |
break;
|
964 |
|
965 |
case FShape.LINE:
|
966 |
case FShape.LINE + FShape.Z:
|
967 |
case FShape.ARC:
|
968 |
shp = new Curve2D(null, null, newGp); |
969 |
break;
|
970 |
|
971 |
case FShape.POLYGON:
|
972 |
case FShape.POLYGON + FShape.Z:
|
973 |
case FShape.CIRCLE:
|
974 |
case FShape.ELLIPSE:
|
975 |
|
976 |
shp = new Surface2D(null, null, newGp); |
977 |
break;
|
978 |
} |
979 |
return shp;
|
980 |
} |
981 |
|
982 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) |
983 |
{ |
984 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
985 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
986 |
return r;
|
987 |
} |
988 |
|
989 |
public static Envelope convertRectangle2DtoEnvelope(Rectangle2D r) |
990 |
{ |
991 |
Envelope e = new Envelope(r.getX(), r.getX() + r.getWidth(), r.getY(),
|
992 |
r.getY() + r.getHeight()); |
993 |
return e;
|
994 |
} |
995 |
|
996 |
/**
|
997 |
* Return a correct polygon (no hole)
|
998 |
* @param coordinates
|
999 |
* @return
|
1000 |
*/
|
1001 |
public static Geometry getExteriorPolygon(Coordinate[] coordinates) |
1002 |
{ |
1003 |
// isCCW = true => it's a hole
|
1004 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
1005 |
if (CGAlgorithms.isCCW(coordinates)){
|
1006 |
for (int i=vs.length-1;i>=0;i--){ |
1007 |
vs[i]=coordinates[i]; |
1008 |
} |
1009 |
}else{
|
1010 |
vs=coordinates; |
1011 |
} |
1012 |
LinearRing ring = geomFactory.createLinearRing(vs); |
1013 |
|
1014 |
try {
|
1015 |
return GeometryFactory.createPolygon2D(toShape(ring));
|
1016 |
} catch (NoninvertibleTransformException e) { |
1017 |
e.printStackTrace(); |
1018 |
} |
1019 |
return null; |
1020 |
} |
1021 |
|
1022 |
public static boolean isCCW(Point2D[] points) |
1023 |
{ |
1024 |
Coordinate[] vs=new Coordinate[points.length]; |
1025 |
for (int i=points.length-1;i>=0;i--){ |
1026 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
1027 |
} |
1028 |
|
1029 |
return CGAlgorithms.isCCW(vs);
|
1030 |
} |
1031 |
|
1032 |
public static boolean isCCW(Surface2D pol) |
1033 |
{ |
1034 |
com.vividsolutions.jts.geom.Geometry jtsGeom = Converter.java2d_to_jts(pol); |
1035 |
if (jtsGeom.getNumGeometries() == 1) |
1036 |
{ |
1037 |
Coordinate[] coords = jtsGeom.getCoordinates();
|
1038 |
return CGAlgorithms.isCCW(coords);
|
1039 |
} |
1040 |
return false; |
1041 |
|
1042 |
} |
1043 |
|
1044 |
|
1045 |
/**
|
1046 |
* Return a hole (CCW ordered points)
|
1047 |
* @param coordinates
|
1048 |
* @return
|
1049 |
*/
|
1050 |
public static Geometry getHole(Coordinate[] coordinates) |
1051 |
{ |
1052 |
// isCCW = true => it's a hole
|
1053 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
1054 |
if (CGAlgorithms.isCCW(coordinates)){
|
1055 |
vs=coordinates; |
1056 |
|
1057 |
}else{
|
1058 |
for (int i=vs.length-1;i>=0;i--){ |
1059 |
vs[i]=coordinates[i]; |
1060 |
} |
1061 |
} |
1062 |
LinearRing ring = geomFactory.createLinearRing(vs); |
1063 |
|
1064 |
try {
|
1065 |
return GeometryFactory.createPolygon2D(toShape(ring));
|
1066 |
} catch (NoninvertibleTransformException e) { |
1067 |
e.printStackTrace(); |
1068 |
} |
1069 |
return null; |
1070 |
} |
1071 |
|
1072 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
1073 |
Area area = new Area(gp); |
1074 |
area.isSingular(); |
1075 |
return area;
|
1076 |
|
1077 |
|
1078 |
|
1079 |
} |
1080 |
/**
|
1081 |
* Use it ONLY for NOT multipart polygons.
|
1082 |
* @param pol
|
1083 |
* @return
|
1084 |
*/
|
1085 |
public static Geometry getNotHolePolygon(Surface2D pol) { |
1086 |
// isCCW == true => hole
|
1087 |
Coordinate[] coords;
|
1088 |
ArrayList arrayCoords = null; |
1089 |
int theType;
|
1090 |
int numParts = 0; |
1091 |
|
1092 |
// Use this array to store segment coordinate data
|
1093 |
double[] theData = new double[6]; |
1094 |
PathIterator theIterator;
|
1095 |
|
1096 |
ArrayList shells = new ArrayList(); |
1097 |
ArrayList holes = new ArrayList(); |
1098 |
Coordinate[] points = null; |
1099 |
|
1100 |
theIterator = pol.getPathIterator(null, FLATNESS);
|
1101 |
|
1102 |
while (!theIterator.isDone()) {
|
1103 |
//while not done
|
1104 |
theType = theIterator.currentSegment(theData); |
1105 |
|
1106 |
//Populate a segment of the new
|
1107 |
// GeneralPathX object.
|
1108 |
//Process the current segment to populate a new
|
1109 |
// segment of the new GeneralPathX object.
|
1110 |
switch (theType) {
|
1111 |
case PathIterator.SEG_MOVETO: |
1112 |
|
1113 |
// System.out.println("SEG_MOVETO");
|
1114 |
if (arrayCoords == null) { |
1115 |
arrayCoords = new ArrayList(); |
1116 |
} else {
|
1117 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
1118 |
|
1119 |
try {
|
1120 |
LinearRing ring = geomFactory.createLinearRing(points); |
1121 |
|
1122 |
if (CGAlgorithms.isCCW(points)) {
|
1123 |
holes.add(ring); |
1124 |
} else {
|
1125 |
shells.add(ring); |
1126 |
} |
1127 |
} catch (Exception e) { |
1128 |
System.err.println(
|
1129 |
"Caught Topology exception in GMLLinearRingHandler");
|
1130 |
|
1131 |
return null; |
1132 |
} |
1133 |
|
1134 |
/* if (numParts == 1)
|
1135 |
{
|
1136 |
linRingExt = new GeometryFactory().createLinearRing(
|
1137 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
1138 |
}
|
1139 |
else
|
1140 |
{
|
1141 |
linRing = new GeometryFactory().createLinearRing(
|
1142 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
1143 |
arrayLines.add(linRing);
|
1144 |
} */
|
1145 |
arrayCoords = new ArrayList(); |
1146 |
} |
1147 |
|
1148 |
numParts++; |
1149 |
arrayCoords.add(new Coordinate(theData[0], |
1150 |
theData[1]));
|
1151 |
|
1152 |
break;
|
1153 |
|
1154 |
case PathIterator.SEG_LINETO: |
1155 |
|
1156 |
// System.out.println("SEG_LINETO");
|
1157 |
arrayCoords.add(new Coordinate(theData[0], |
1158 |
theData[1]));
|
1159 |
|
1160 |
break;
|
1161 |
|
1162 |
case PathIterator.SEG_QUADTO: |
1163 |
System.out.println("SEG_QUADTO Not supported here"); |
1164 |
|
1165 |
break;
|
1166 |
|
1167 |
case PathIterator.SEG_CUBICTO: |
1168 |
System.out.println("SEG_CUBICTO Not supported here"); |
1169 |
|
1170 |
break;
|
1171 |
|
1172 |
case PathIterator.SEG_CLOSE: |
1173 |
|
1174 |
// A�adimos el primer punto para cerrar.
|
1175 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
1176 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
1177 |
firstCoord.y)); |
1178 |
|
1179 |
break;
|
1180 |
} //end switch
|
1181 |
|
1182 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
1183 |
theIterator.next(); |
1184 |
} //end while loop
|
1185 |
|
1186 |
arrayCoords.add(arrayCoords.get(0));
|
1187 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
1188 |
|
1189 |
|
1190 |
if (numParts == 1) |
1191 |
{ |
1192 |
return getExteriorPolygon(coords);
|
1193 |
} |
1194 |
return GeometryFactory.createGeometry(pol);
|
1195 |
|
1196 |
} |
1197 |
|
1198 |
|
1199 |
/* public static GeometryCollection convertFGeometryCollection(FGeometryCollection fGeomC)
|
1200 |
{
|
1201 |
|
1202 |
geomFactory.createGeometryCollection(theGeoms);
|
1203 |
} */
|
1204 |
} |