root / trunk / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / util / Converter.java @ 20860
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/*
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* Created on 08-jun-2004
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*
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* TODO To change the template for this generated file go to
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* Window - Preferences - Java - Code Generation - Code and Comments
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*/
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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.Point2D; |
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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.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryFactory; |
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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.Surface2D; |
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import org.gvsig.fmap.geom.primitive.Curve2D; |
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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.GeometryFactory; |
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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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/**
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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 GeometryFactory geomFactory = new 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 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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public static com.vividsolutions.jts.geom.Geometry java2d_to_jts(FShape shp) { |
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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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switch (shp.getShapeType()) {
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case FShape.POINT:
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case FShape.POINT + FShape.Z:
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Point2D p = (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 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(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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case PathIterator.SEG_QUADTO: |
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System.out.println("SEG_QUADTO Not supported here"); |
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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"); |
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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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// 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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arrayCoords.add(arrayCoords.get(0));
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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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/* linRing = new GeometryFactory().createLinearRing(
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CoordinateArrays.toCoordinateArray(arrayCoords)); */
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// System.out.println("NumParts = " + numParts);
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//now we have a list of all shells and all holes
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ArrayList holesForShells = new ArrayList(shells.size()); |
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for (int i = 0; i < shells.size(); i++) { |
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holesForShells.add(new ArrayList()); |
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} |
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//find homes
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for (int i = 0; i < holes.size(); i++) { |
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LinearRing testRing = (LinearRing) holes.get(i); |
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LinearRing minShell = null;
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Envelope minEnv = null;
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Envelope testEnv = testRing.getEnvelopeInternal(); |
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Coordinate testPt = testRing.getCoordinateN(0);
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LinearRing tryRing = null;
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for (int j = 0; j < shells.size(); j++) { |
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tryRing = (LinearRing) shells.get(j); |
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Envelope tryEnv = tryRing.getEnvelopeInternal(); |
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if (minShell != null) { |
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minEnv = minShell.getEnvelopeInternal(); |
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} |
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boolean isContained = false; |
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Coordinate[] coordList = tryRing.getCoordinates();
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if (tryEnv.contains(testEnv) &&
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(CGAlgorithms.isPointInRing(testPt, coordList) || |
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(pointInList(testPt, coordList)))) {
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isContained = true;
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} |
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// check if this new containing ring is smaller than the current minimum ring
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if (isContained) {
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if ((minShell == null) || minEnv.contains(tryEnv)) { |
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minShell = tryRing; |
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} |
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} |
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} |
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if (minShell == null) { |
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// System.out.println(
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// "polygon found with a hole thats not inside a shell");
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//azabala: we do the assumption that this hole is really a shell (polygon)
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//whose point werent digitized in the right order
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Coordinate[] cs = testRing.getCoordinates();
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Coordinate[] reversed = new Coordinate[cs.length]; |
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int pointIndex = 0; |
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for(int z = cs.length-1; z >= 0; z--){ |
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reversed[pointIndex] = cs[z]; |
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pointIndex++; |
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} |
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LinearRing newRing = geomFactory.createLinearRing(reversed); |
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shells.add(newRing); |
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holesForShells.add(new ArrayList()); |
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} else {
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((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
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} |
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} |
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|
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Polygon[] polygons = new Polygon[shells.size()]; |
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for (int i = 0; i < shells.size(); i++) { |
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polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
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i), |
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(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
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new LinearRing[0])); |
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} |
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// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
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// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
| 481 |
// O CON GEOTOOLS
|
| 482 |
// if (numParts > 1) // Generamos una MultiLineString
|
| 483 |
|
| 484 |
/* if (polygons.length == 1) {
|
| 485 |
return polygons[0];
|
| 486 |
} */
|
| 487 |
|
| 488 |
// FIN CAMBIO
|
| 489 |
|
| 490 |
holesForShells = null;
|
| 491 |
shells = null;
|
| 492 |
holes = null;
|
| 493 |
|
| 494 |
//its a multi part
|
| 495 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
| 496 |
|
| 497 |
/* if (numParts > 1) // Generamos un Polygon con agujeros
|
| 498 |
{
|
| 499 |
arrayLines.add(linRing);
|
| 500 |
// geoJTS = new GeometryFactory().createPolygon(linRingExt,
|
| 501 |
// GeometryFactory.toLinearRingArray(arrayLines));
|
| 502 |
geoJTS = new GeometryFactory().buildGeometry(arrayLines);
|
| 503 |
|
| 504 |
// geoJTS = Polygonizer.class.
|
| 505 |
}
|
| 506 |
else
|
| 507 |
{
|
| 508 |
geoJTS = new GeometryFactory().createPolygon(linRing,null);
|
| 509 |
} */
|
| 510 |
break;
|
| 511 |
} |
| 512 |
|
| 513 |
return geoJTS;
|
| 514 |
} |
| 515 |
|
| 516 |
/**
|
| 517 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
| 518 |
*
|
| 519 |
* @param geo Geometry de JTS.
|
| 520 |
*
|
| 521 |
* @return FShape.
|
| 522 |
*/
|
| 523 |
public static FShape jts_to_java2d(com.vividsolutions.jts.geom.Geometry geo) { |
| 524 |
FShape shpNew = null;
|
| 525 |
|
| 526 |
try {
|
| 527 |
if (geo instanceof Point) { |
| 528 |
shpNew = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ((Point) geo).getX(), ((Point) geo).getY()); |
| 529 |
} |
| 530 |
|
| 531 |
if (geo.isEmpty()) {
|
| 532 |
shpNew = null;
|
| 533 |
} |
| 534 |
|
| 535 |
if (geo instanceof Polygon) { |
| 536 |
shpNew = new Surface2D(null, null, toShape((Polygon) geo)); |
| 537 |
} |
| 538 |
|
| 539 |
if (geo instanceof MultiPolygon) { |
| 540 |
shpNew = new Surface2D(null, null, toShape((MultiPolygon) geo)); |
| 541 |
} |
| 542 |
|
| 543 |
if (geo instanceof LineString) { |
| 544 |
shpNew = new Curve2D(null, null, toShape((LineString) geo)); |
| 545 |
} |
| 546 |
|
| 547 |
if (geo instanceof MultiLineString) { |
| 548 |
shpNew = new Curve2D(null, null, toShape((MultiLineString) geo)); |
| 549 |
} |
| 550 |
|
| 551 |
/* OJO: CON ALGO COMO FSHAPE NO S� C�MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
| 552 |
* No sabremos si queremos una l�nea o un pol�gono.....
|
| 553 |
* if (geometry instanceof GeometryCollection) {
|
| 554 |
return toShape((GeometryCollection) geometry);
|
| 555 |
} */
|
| 556 |
return shpNew;
|
| 557 |
} catch (NoninvertibleTransformException e) { |
| 558 |
// TODO Auto-generated catch block
|
| 559 |
e.printStackTrace(); |
| 560 |
} |
| 561 |
|
| 562 |
return null; |
| 563 |
} |
| 564 |
|
| 565 |
/**
|
| 566 |
* DOCUMENT ME!
|
| 567 |
*
|
| 568 |
* @param p DOCUMENT ME!
|
| 569 |
*
|
| 570 |
* @return DOCUMENT ME!
|
| 571 |
*/
|
| 572 |
private static GeneralPathX toShape(Polygon p) { |
| 573 |
GeneralPathX resul = new GeneralPathX();
|
| 574 |
Coordinate coord; |
| 575 |
|
| 576 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
| 577 |
coord = p.getExteriorRing().getCoordinateN(i); |
| 578 |
|
| 579 |
if (i == 0) { |
| 580 |
resul.moveTo(coord.x,coord.y); |
| 581 |
} else {
|
| 582 |
resul.lineTo(coord.x,coord.y); |
| 583 |
} |
| 584 |
} |
| 585 |
|
| 586 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
| 587 |
LineString hole = p.getInteriorRingN(j); |
| 588 |
|
| 589 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
| 590 |
coord = hole.getCoordinateN(k); |
| 591 |
|
| 592 |
if (k == 0) { |
| 593 |
resul.moveTo(coord.x, coord.y); |
| 594 |
} else {
|
| 595 |
resul.lineTo(coord.x, coord.y); |
| 596 |
} |
| 597 |
} |
| 598 |
} |
| 599 |
|
| 600 |
return resul;
|
| 601 |
} |
| 602 |
|
| 603 |
/**
|
| 604 |
* DOCUMENT ME!
|
| 605 |
*
|
| 606 |
* @param modelCoordinates DOCUMENT ME!
|
| 607 |
*
|
| 608 |
* @return DOCUMENT ME!
|
| 609 |
*
|
| 610 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 611 |
*
|
| 612 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
|
| 613 |
throws NoninvertibleTransformException {
|
| 614 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
|
| 615 |
|
| 616 |
for (int i = 0; i < modelCoordinates.length; i++) {
|
| 617 |
FPoint2D point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
| 618 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
| 619 |
}
|
| 620 |
|
| 621 |
return viewCoordinates;
|
| 622 |
} */
|
| 623 |
|
| 624 |
/* private Shape toShape(GeometryCollection gc)
|
| 625 |
throws NoninvertibleTransformException {
|
| 626 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
| 627 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
| 628 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
| 629 |
shape.add(toShape(g));
|
| 630 |
}
|
| 631 |
return shape;
|
| 632 |
} */
|
| 633 |
private static GeneralPathX toShape(MultiLineString mls) |
| 634 |
throws NoninvertibleTransformException { |
| 635 |
GeneralPathX path = new GeneralPathX();
|
| 636 |
|
| 637 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
| 638 |
LineString lineString = (LineString) mls.getGeometryN(i); |
| 639 |
path.append(toShape(lineString), false);
|
| 640 |
} |
| 641 |
|
| 642 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 643 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 644 |
return path;
|
| 645 |
} |
| 646 |
|
| 647 |
/**
|
| 648 |
* DOCUMENT ME!
|
| 649 |
*
|
| 650 |
* @param lineString DOCUMENT ME!
|
| 651 |
*
|
| 652 |
* @return DOCUMENT ME!
|
| 653 |
*
|
| 654 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 655 |
*/
|
| 656 |
private static GeneralPathX toShape(LineString lineString) |
| 657 |
throws NoninvertibleTransformException { |
| 658 |
GeneralPathX shape = new GeneralPathX();
|
| 659 |
org.gvsig.fmap.geom.primitive.Point2D viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
| 660 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
| 661 |
|
| 662 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
| 663 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
| 664 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
| 665 |
} |
| 666 |
|
| 667 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 668 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 669 |
return shape;
|
| 670 |
} |
| 671 |
|
| 672 |
/* TODO No se usa
|
| 673 |
* DOCUMENT ME!
|
| 674 |
*
|
| 675 |
* @param point DOCUMENT ME!
|
| 676 |
*
|
| 677 |
* @return DOCUMENT ME!
|
| 678 |
*
|
| 679 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 680 |
*
|
| 681 |
private static Point2D toShape(Point point)
|
| 682 |
throws NoninvertibleTransformException {
|
| 683 |
Point2D viewPoint = coordinate2FPoint2D(point.getCoordinate());
|
| 684 |
|
| 685 |
return viewPoint;
|
| 686 |
}
|
| 687 |
*/
|
| 688 |
|
| 689 |
/**
|
| 690 |
*
|
| 691 |
*/
|
| 692 |
private static GeneralPathX toShape(MultiPolygon mp) |
| 693 |
throws NoninvertibleTransformException { |
| 694 |
GeneralPathX path = new GeneralPathX();
|
| 695 |
|
| 696 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
| 697 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
| 698 |
path.append(toShape(polygon), false);
|
| 699 |
} |
| 700 |
|
| 701 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 702 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 703 |
return path;
|
| 704 |
} |
| 705 |
/**
|
| 706 |
* DOCUMENT ME!
|
| 707 |
*
|
| 708 |
* @param coord DOCUMENT ME!
|
| 709 |
*
|
| 710 |
* @return DOCUMENT ME!
|
| 711 |
*/
|
| 712 |
public static org.gvsig.fmap.geom.primitive.Point2D coordinate2FPoint2D(Coordinate coord) { |
| 713 |
return new org.gvsig.fmap.geom.primitive.Point2D(null, null, coord.x, coord.y); //,coord.z); |
| 714 |
} |
| 715 |
|
| 716 |
/**
|
| 717 |
* Convierte una Geometry de JTS a GeneralPathX.
|
| 718 |
*
|
| 719 |
* @param geometry Geometry a convertir.
|
| 720 |
*
|
| 721 |
* @return GeneralPathX.
|
| 722 |
*
|
| 723 |
* @throws NoninvertibleTransformException
|
| 724 |
* @throws IllegalArgumentException
|
| 725 |
*/
|
| 726 |
public static GeneralPathX toShape(com.vividsolutions.jts.geom.Geometry geometry) |
| 727 |
throws NoninvertibleTransformException { |
| 728 |
if (geometry.isEmpty()) {
|
| 729 |
return new GeneralPathX(); |
| 730 |
} |
| 731 |
|
| 732 |
if (geometry instanceof Polygon) { |
| 733 |
return toShape((Polygon) geometry); |
| 734 |
} |
| 735 |
|
| 736 |
if (geometry instanceof MultiPolygon) { |
| 737 |
return toShape((MultiPolygon) geometry);
|
| 738 |
} |
| 739 |
|
| 740 |
if (geometry instanceof LineString) { |
| 741 |
return toShape((LineString) geometry);
|
| 742 |
} |
| 743 |
|
| 744 |
if (geometry instanceof MultiLineString) { |
| 745 |
return toShape((MultiLineString) geometry);
|
| 746 |
} |
| 747 |
|
| 748 |
if (geometry instanceof GeometryCollection) { |
| 749 |
return toShape((GeometryCollection) geometry);
|
| 750 |
} |
| 751 |
|
| 752 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
| 753 |
geometry.getClass()); |
| 754 |
} |
| 755 |
|
| 756 |
|
| 757 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
| 758 |
GeneralPathX newGp = new GeneralPathX();
|
| 759 |
PathIterator theIterator;
|
| 760 |
int theType;
|
| 761 |
int numParts = 0; |
| 762 |
double[] theData = new double[6]; |
| 763 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 764 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 765 |
boolean bFirst = true; |
| 766 |
int xInt, yInt, antX = -1, antY = -1; |
| 767 |
|
| 768 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 769 |
|
| 770 |
while (!theIterator.isDone()) {
|
| 771 |
theType = theIterator.currentSegment(theData); |
| 772 |
switch (theType) {
|
| 773 |
case PathIterator.SEG_MOVETO: |
| 774 |
numParts++; |
| 775 |
ptSrc.setLocation(theData[0], theData[1]); |
| 776 |
at.transform(ptSrc, ptDst); |
| 777 |
antX = (int) ptDst.getX();
|
| 778 |
antY = (int) ptDst.getY();
|
| 779 |
newGp.moveTo(antX, antY); |
| 780 |
bFirst = true;
|
| 781 |
break;
|
| 782 |
|
| 783 |
case PathIterator.SEG_LINETO: |
| 784 |
ptSrc.setLocation(theData[0], theData[1]); |
| 785 |
at.transform(ptSrc, ptDst); |
| 786 |
xInt = (int) ptDst.getX();
|
| 787 |
yInt = (int) ptDst.getY();
|
| 788 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
| 789 |
{
|
| 790 |
newGp.lineTo(xInt, yInt); |
| 791 |
antX = xInt; |
| 792 |
antY = yInt; |
| 793 |
bFirst = false;
|
| 794 |
} |
| 795 |
break;
|
| 796 |
|
| 797 |
case PathIterator.SEG_QUADTO: |
| 798 |
System.out.println("Not supported here"); |
| 799 |
|
| 800 |
break;
|
| 801 |
|
| 802 |
case PathIterator.SEG_CUBICTO: |
| 803 |
System.out.println("Not supported here"); |
| 804 |
|
| 805 |
break;
|
| 806 |
|
| 807 |
case PathIterator.SEG_CLOSE: |
| 808 |
newGp.closePath(); |
| 809 |
|
| 810 |
break;
|
| 811 |
} //end switch
|
| 812 |
|
| 813 |
theIterator.next(); |
| 814 |
} //end while loop
|
| 815 |
|
| 816 |
return newGp;
|
| 817 |
} |
| 818 |
public static FShape transformToInts(Geometry gp, AffineTransform at) { |
| 819 |
GeneralPathX newGp = new GeneralPathX();
|
| 820 |
double[] theData = new double[6]; |
| 821 |
double[] aux = new double[6]; |
| 822 |
|
| 823 |
// newGp.reset();
|
| 824 |
PathIterator theIterator;
|
| 825 |
int theType;
|
| 826 |
int numParts = 0; |
| 827 |
|
| 828 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 829 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 830 |
boolean bFirst = true; |
| 831 |
int xInt, yInt, antX = -1, antY = -1; |
| 832 |
|
| 833 |
|
| 834 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 835 |
int numSegmentsAdded = 0; |
| 836 |
while (!theIterator.isDone()) {
|
| 837 |
theType = theIterator.currentSegment(theData); |
| 838 |
|
| 839 |
switch (theType) {
|
| 840 |
case PathIterator.SEG_MOVETO: |
| 841 |
numParts++; |
| 842 |
ptSrc.setLocation(theData[0], theData[1]); |
| 843 |
at.transform(ptSrc, ptDst); |
| 844 |
antX = (int) ptDst.getX();
|
| 845 |
antY = (int) ptDst.getY();
|
| 846 |
newGp.moveTo(antX, antY); |
| 847 |
numSegmentsAdded++; |
| 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 |
numSegmentsAdded++; |
| 863 |
} |
| 864 |
break;
|
| 865 |
|
| 866 |
case PathIterator.SEG_QUADTO: |
| 867 |
at.transform(theData,0,aux,0,2); |
| 868 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
| 869 |
numSegmentsAdded++; |
| 870 |
break;
|
| 871 |
|
| 872 |
case PathIterator.SEG_CUBICTO: |
| 873 |
at.transform(theData,0,aux,0,3); |
| 874 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
| 875 |
numSegmentsAdded++; |
| 876 |
break;
|
| 877 |
|
| 878 |
case PathIterator.SEG_CLOSE: |
| 879 |
if (numSegmentsAdded < 3) |
| 880 |
newGp.lineTo(antX, antY); |
| 881 |
newGp.closePath(); |
| 882 |
|
| 883 |
break;
|
| 884 |
} //end switch
|
| 885 |
|
| 886 |
theIterator.next(); |
| 887 |
} //end while loop
|
| 888 |
|
| 889 |
FShape shp = null;
|
| 890 |
switch (gp.getShapeType())
|
| 891 |
{
|
| 892 |
case FShape.POINT: //Tipo punto |
| 893 |
case FShape.POINT + FShape.Z:
|
| 894 |
shp = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ptDst.getX(), ptDst.getY()); |
| 895 |
break;
|
| 896 |
|
| 897 |
case FShape.LINE:
|
| 898 |
case FShape.LINE + FShape.Z:
|
| 899 |
case FShape.ARC:
|
| 900 |
shp = new Curve2D(null, null, newGp); |
| 901 |
break;
|
| 902 |
|
| 903 |
case FShape.POLYGON:
|
| 904 |
case FShape.POLYGON + FShape.Z:
|
| 905 |
case FShape.CIRCLE:
|
| 906 |
case FShape.ELLIPSE:
|
| 907 |
|
| 908 |
shp = new Surface2D(null, null, newGp); |
| 909 |
break;
|
| 910 |
} |
| 911 |
return shp;
|
| 912 |
} |
| 913 |
|
| 914 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) |
| 915 |
{
|
| 916 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
| 917 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
| 918 |
return r;
|
| 919 |
} |
| 920 |
|
| 921 |
public static Envelope convertRectangle2DtoEnvelope(Rectangle2D r) |
| 922 |
{
|
| 923 |
Envelope e = new Envelope(r.getX(), r.getX() + r.getWidth(), r.getY(),
|
| 924 |
r.getY() + r.getHeight()); |
| 925 |
return e;
|
| 926 |
} |
| 927 |
|
| 928 |
/**
|
| 929 |
* Return a correct polygon (no hole)
|
| 930 |
* @param coordinates
|
| 931 |
* @return
|
| 932 |
*/
|
| 933 |
public static Geometry getExteriorPolygon(Coordinate[] coordinates) |
| 934 |
{
|
| 935 |
// isCCW = true => it's a hole
|
| 936 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
| 937 |
if (CGAlgorithms.isCCW(coordinates)){
|
| 938 |
for (int i=vs.length-1;i>=0;i--){ |
| 939 |
vs[i]=coordinates[i]; |
| 940 |
} |
| 941 |
}else{
|
| 942 |
vs=coordinates; |
| 943 |
} |
| 944 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 945 |
|
| 946 |
try {
|
| 947 |
return GeometryFactory.createPolygon2D(toShape(ring));
|
| 948 |
} catch (NoninvertibleTransformException e) { |
| 949 |
e.printStackTrace(); |
| 950 |
} |
| 951 |
return null; |
| 952 |
} |
| 953 |
|
| 954 |
public static boolean isCCW(Point2D[] points) |
| 955 |
{
|
| 956 |
Coordinate[] vs=new Coordinate[points.length]; |
| 957 |
for (int i=points.length-1;i>=0;i--){ |
| 958 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
| 959 |
} |
| 960 |
|
| 961 |
return CGAlgorithms.isCCW(vs);
|
| 962 |
} |
| 963 |
|
| 964 |
public static boolean isCCW(Surface2D pol) |
| 965 |
{
|
| 966 |
com.vividsolutions.jts.geom.Geometry jtsGeom = Converter.java2d_to_jts(pol); |
| 967 |
if (jtsGeom.getNumGeometries() == 1) |
| 968 |
{
|
| 969 |
Coordinate[] coords = jtsGeom.getCoordinates();
|
| 970 |
return CGAlgorithms.isCCW(coords);
|
| 971 |
} |
| 972 |
return false; |
| 973 |
|
| 974 |
} |
| 975 |
|
| 976 |
|
| 977 |
/**
|
| 978 |
* Return a hole (CCW ordered points)
|
| 979 |
* @param coordinates
|
| 980 |
* @return
|
| 981 |
*/
|
| 982 |
public static Geometry getHole(Coordinate[] coordinates) |
| 983 |
{
|
| 984 |
// isCCW = true => it's a hole
|
| 985 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
| 986 |
if (CGAlgorithms.isCCW(coordinates)){
|
| 987 |
vs=coordinates; |
| 988 |
|
| 989 |
}else{
|
| 990 |
for (int i=vs.length-1;i>=0;i--){ |
| 991 |
vs[i]=coordinates[i]; |
| 992 |
} |
| 993 |
} |
| 994 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 995 |
|
| 996 |
try {
|
| 997 |
return GeometryFactory.createPolygon2D(toShape(ring));
|
| 998 |
} catch (NoninvertibleTransformException e) { |
| 999 |
e.printStackTrace(); |
| 1000 |
} |
| 1001 |
return null; |
| 1002 |
} |
| 1003 |
|
| 1004 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
| 1005 |
Area area = new Area(gp); |
| 1006 |
area.isSingular(); |
| 1007 |
return area;
|
| 1008 |
|
| 1009 |
|
| 1010 |
|
| 1011 |
} |
| 1012 |
/**
|
| 1013 |
* Use it ONLY for NOT multipart polygons.
|
| 1014 |
* @param pol
|
| 1015 |
* @return
|
| 1016 |
*/
|
| 1017 |
public static Geometry getNotHolePolygon(Surface2D pol) { |
| 1018 |
// isCCW == true => hole
|
| 1019 |
Coordinate[] coords;
|
| 1020 |
ArrayList arrayCoords = null; |
| 1021 |
int theType;
|
| 1022 |
int numParts = 0; |
| 1023 |
|
| 1024 |
// Use this array to store segment coordinate data
|
| 1025 |
double[] theData = new double[6]; |
| 1026 |
PathIterator theIterator;
|
| 1027 |
|
| 1028 |
ArrayList shells = new ArrayList(); |
| 1029 |
ArrayList holes = new ArrayList(); |
| 1030 |
Coordinate[] points = null; |
| 1031 |
|
| 1032 |
theIterator = pol.getPathIterator(null, FLATNESS);
|
| 1033 |
|
| 1034 |
while (!theIterator.isDone()) {
|
| 1035 |
//while not done
|
| 1036 |
theType = theIterator.currentSegment(theData); |
| 1037 |
|
| 1038 |
//Populate a segment of the new
|
| 1039 |
// GeneralPathX object.
|
| 1040 |
//Process the current segment to populate a new
|
| 1041 |
// segment of the new GeneralPathX object.
|
| 1042 |
switch (theType) {
|
| 1043 |
case PathIterator.SEG_MOVETO: |
| 1044 |
|
| 1045 |
// System.out.println("SEG_MOVETO");
|
| 1046 |
if (arrayCoords == null) { |
| 1047 |
arrayCoords = new ArrayList(); |
| 1048 |
} else {
|
| 1049 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1050 |
|
| 1051 |
try {
|
| 1052 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 1053 |
|
| 1054 |
if (CGAlgorithms.isCCW(points)) {
|
| 1055 |
holes.add(ring); |
| 1056 |
} else {
|
| 1057 |
shells.add(ring); |
| 1058 |
} |
| 1059 |
} catch (Exception e) { |
| 1060 |
System.err.println(
|
| 1061 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 1062 |
|
| 1063 |
return null; |
| 1064 |
} |
| 1065 |
|
| 1066 |
/* if (numParts == 1)
|
| 1067 |
{
|
| 1068 |
linRingExt = new GeometryFactory().createLinearRing(
|
| 1069 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 1070 |
}
|
| 1071 |
else
|
| 1072 |
{
|
| 1073 |
linRing = new GeometryFactory().createLinearRing(
|
| 1074 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 1075 |
arrayLines.add(linRing);
|
| 1076 |
} */
|
| 1077 |
arrayCoords = new ArrayList(); |
| 1078 |
} |
| 1079 |
|
| 1080 |
numParts++; |
| 1081 |
arrayCoords.add(new Coordinate(theData[0], |
| 1082 |
theData[1]));
|
| 1083 |
|
| 1084 |
break;
|
| 1085 |
|
| 1086 |
case PathIterator.SEG_LINETO: |
| 1087 |
|
| 1088 |
// System.out.println("SEG_LINETO");
|
| 1089 |
arrayCoords.add(new Coordinate(theData[0], |
| 1090 |
theData[1]));
|
| 1091 |
|
| 1092 |
break;
|
| 1093 |
|
| 1094 |
case PathIterator.SEG_QUADTO: |
| 1095 |
System.out.println("SEG_QUADTO Not supported here"); |
| 1096 |
|
| 1097 |
break;
|
| 1098 |
|
| 1099 |
case PathIterator.SEG_CUBICTO: |
| 1100 |
System.out.println("SEG_CUBICTO Not supported here"); |
| 1101 |
|
| 1102 |
break;
|
| 1103 |
|
| 1104 |
case PathIterator.SEG_CLOSE: |
| 1105 |
|
| 1106 |
// A�adimos el primer punto para cerrar.
|
| 1107 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 1108 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
| 1109 |
firstCoord.y)); |
| 1110 |
|
| 1111 |
break;
|
| 1112 |
} //end switch
|
| 1113 |
|
| 1114 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
| 1115 |
theIterator.next(); |
| 1116 |
} //end while loop
|
| 1117 |
|
| 1118 |
arrayCoords.add(arrayCoords.get(0));
|
| 1119 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1120 |
|
| 1121 |
|
| 1122 |
if (numParts == 1) |
| 1123 |
{
|
| 1124 |
return getExteriorPolygon(coords);
|
| 1125 |
} |
| 1126 |
return GeometryFactory.createGeometry(pol);
|
| 1127 |
|
| 1128 |
} |
| 1129 |
|
| 1130 |
|
| 1131 |
/* public static GeometryCollection convertFGeometryCollection(FGeometryCollection fGeomC)
|
| 1132 |
{
|
| 1133 |
|
| 1134 |
geomFactory.createGeometryCollection(theGeoms);
|
| 1135 |
} */
|
| 1136 |
} |