root / trunk / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / util / Converter.java @ 20869
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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.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 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 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 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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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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|
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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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|
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Envelope tryEnv = tryRing.getEnvelopeInternal(); |
428 |
|
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if (minShell != null) { |
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minEnv = minShell.getEnvelopeInternal(); |
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} |
432 |
|
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boolean isContained = false; |
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Coordinate[] coordList = tryRing.getCoordinates();
|
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|
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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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} |
441 |
|
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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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} |
449 |
|
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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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} |
462 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
463 |
shells.add(newRing); |
464 |
holesForShells.add(new ArrayList()); |
465 |
} else {
|
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((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
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} |
468 |
} |
469 |
|
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Polygon[] polygons = new Polygon[shells.size()]; |
471 |
|
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for (int i = 0; i < shells.size(); i++) { |
473 |
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])); |
477 |
} |
478 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
479 |
// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
480 |
// O CON GEOTOOLS
|
481 |
// if (numParts > 1) // Generamos una MultiLineString
|
482 |
|
483 |
/* if (polygons.length == 1) {
|
484 |
return polygons[0];
|
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} */
|
486 |
|
487 |
// FIN CAMBIO
|
488 |
|
489 |
holesForShells = null;
|
490 |
shells = null;
|
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holes = null;
|
492 |
|
493 |
//its a multi part
|
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geoJTS = geomFactory.createMultiPolygon(polygons); |
495 |
|
496 |
/* if (numParts > 1) // Generamos un Polygon con agujeros
|
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{
|
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arrayLines.add(linRing);
|
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// geoJTS = new GeometryFactory().createPolygon(linRingExt,
|
500 |
// GeometryFactory.toLinearRingArray(arrayLines));
|
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geoJTS = new GeometryFactory().buildGeometry(arrayLines);
|
502 |
|
503 |
// geoJTS = Polygonizer.class.
|
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}
|
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else
|
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{
|
507 |
geoJTS = new GeometryFactory().createPolygon(linRing,null);
|
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} */
|
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break;
|
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} |
511 |
|
512 |
return geoJTS;
|
513 |
} |
514 |
|
515 |
/**
|
516 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
517 |
*
|
518 |
* @param geo Geometry de JTS.
|
519 |
*
|
520 |
* @return FShape.
|
521 |
*/
|
522 |
public static FShape jts_to_java2d(com.vividsolutions.jts.geom.Geometry geo) { |
523 |
FShape shpNew = null;
|
524 |
|
525 |
try {
|
526 |
if (geo instanceof Point) { |
527 |
shpNew = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ((Point) geo).getX(), ((Point) geo).getY()); |
528 |
} |
529 |
|
530 |
if (geo.isEmpty()) {
|
531 |
shpNew = null;
|
532 |
} |
533 |
|
534 |
if (geo instanceof Polygon) { |
535 |
shpNew = new Surface2D(null, null, toShape((Polygon) geo)); |
536 |
} |
537 |
|
538 |
if (geo instanceof MultiPolygon) { |
539 |
shpNew = new Surface2D(null, null, toShape((MultiPolygon) geo)); |
540 |
} |
541 |
|
542 |
if (geo instanceof LineString) { |
543 |
shpNew = new Curve2D(null, null, toShape((LineString) geo)); |
544 |
} |
545 |
|
546 |
if (geo instanceof MultiLineString) { |
547 |
shpNew = new Curve2D(null, null, toShape((MultiLineString) geo)); |
548 |
} |
549 |
|
550 |
/* OJO: CON ALGO COMO FSHAPE NO S� C�MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
551 |
* No sabremos si queremos una l�nea o un pol�gono.....
|
552 |
* if (geometry instanceof GeometryCollection) {
|
553 |
return toShape((GeometryCollection) geometry);
|
554 |
} */
|
555 |
return shpNew;
|
556 |
} catch (NoninvertibleTransformException e) { |
557 |
// TODO Auto-generated catch block
|
558 |
e.printStackTrace(); |
559 |
} |
560 |
|
561 |
return null; |
562 |
} |
563 |
|
564 |
/**
|
565 |
* DOCUMENT ME!
|
566 |
*
|
567 |
* @param p DOCUMENT ME!
|
568 |
*
|
569 |
* @return DOCUMENT ME!
|
570 |
*/
|
571 |
private static GeneralPathX toShape(Polygon p) { |
572 |
GeneralPathX resul = new GeneralPathX();
|
573 |
Coordinate coord; |
574 |
|
575 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
576 |
coord = p.getExteriorRing().getCoordinateN(i); |
577 |
|
578 |
if (i == 0) { |
579 |
resul.moveTo(coord.x,coord.y); |
580 |
} else {
|
581 |
resul.lineTo(coord.x,coord.y); |
582 |
} |
583 |
} |
584 |
|
585 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
586 |
LineString hole = p.getInteriorRingN(j); |
587 |
|
588 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
589 |
coord = hole.getCoordinateN(k); |
590 |
|
591 |
if (k == 0) { |
592 |
resul.moveTo(coord.x, coord.y); |
593 |
} else {
|
594 |
resul.lineTo(coord.x, coord.y); |
595 |
} |
596 |
} |
597 |
} |
598 |
|
599 |
return resul;
|
600 |
} |
601 |
|
602 |
/**
|
603 |
* DOCUMENT ME!
|
604 |
*
|
605 |
* @param modelCoordinates DOCUMENT ME!
|
606 |
*
|
607 |
* @return DOCUMENT ME!
|
608 |
*
|
609 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
610 |
*
|
611 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
|
612 |
throws NoninvertibleTransformException {
|
613 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
|
614 |
|
615 |
for (int i = 0; i < modelCoordinates.length; i++) {
|
616 |
FPoint2D point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
617 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
618 |
}
|
619 |
|
620 |
return viewCoordinates;
|
621 |
} */
|
622 |
|
623 |
/* private Shape toShape(GeometryCollection gc)
|
624 |
throws NoninvertibleTransformException {
|
625 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
626 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
627 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
628 |
shape.add(toShape(g));
|
629 |
}
|
630 |
return shape;
|
631 |
} */
|
632 |
private static GeneralPathX toShape(MultiLineString mls) |
633 |
throws NoninvertibleTransformException { |
634 |
GeneralPathX path = new GeneralPathX();
|
635 |
|
636 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
637 |
LineString lineString = (LineString) mls.getGeometryN(i); |
638 |
path.append(toShape(lineString), false);
|
639 |
} |
640 |
|
641 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
642 |
//converted to GeneralPathXs. [Jon Aquino]
|
643 |
return path;
|
644 |
} |
645 |
|
646 |
/**
|
647 |
* DOCUMENT ME!
|
648 |
*
|
649 |
* @param lineString DOCUMENT ME!
|
650 |
*
|
651 |
* @return DOCUMENT ME!
|
652 |
*
|
653 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
654 |
*/
|
655 |
private static GeneralPathX toShape(LineString lineString) |
656 |
throws NoninvertibleTransformException { |
657 |
GeneralPathX shape = new GeneralPathX();
|
658 |
org.gvsig.fmap.geom.primitive.Point2D viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
659 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
660 |
|
661 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
662 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
663 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
664 |
} |
665 |
|
666 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
667 |
//converted to GeneralPathXs. [Jon Aquino]
|
668 |
return shape;
|
669 |
} |
670 |
|
671 |
/* TODO No se usa
|
672 |
* DOCUMENT ME!
|
673 |
*
|
674 |
* @param point DOCUMENT ME!
|
675 |
*
|
676 |
* @return DOCUMENT ME!
|
677 |
*
|
678 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
679 |
*
|
680 |
private static Point2D toShape(Point point)
|
681 |
throws NoninvertibleTransformException {
|
682 |
Point2D viewPoint = coordinate2FPoint2D(point.getCoordinate());
|
683 |
|
684 |
return viewPoint;
|
685 |
}
|
686 |
*/
|
687 |
|
688 |
/**
|
689 |
*
|
690 |
*/
|
691 |
private static GeneralPathX toShape(MultiPolygon mp) |
692 |
throws NoninvertibleTransformException { |
693 |
GeneralPathX path = new GeneralPathX();
|
694 |
|
695 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
696 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
697 |
path.append(toShape(polygon), false);
|
698 |
} |
699 |
|
700 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
701 |
//converted to GeneralPathXs. [Jon Aquino]
|
702 |
return path;
|
703 |
} |
704 |
/**
|
705 |
* DOCUMENT ME!
|
706 |
*
|
707 |
* @param coord DOCUMENT ME!
|
708 |
*
|
709 |
* @return DOCUMENT ME!
|
710 |
*/
|
711 |
public static org.gvsig.fmap.geom.primitive.Point2D coordinate2FPoint2D(Coordinate coord) { |
712 |
return new org.gvsig.fmap.geom.primitive.Point2D(null, null, coord.x, coord.y); //,coord.z); |
713 |
} |
714 |
|
715 |
/**
|
716 |
* Convierte una Geometry de JTS a GeneralPathX.
|
717 |
*
|
718 |
* @param geometry Geometry a convertir.
|
719 |
*
|
720 |
* @return GeneralPathX.
|
721 |
*
|
722 |
* @throws NoninvertibleTransformException
|
723 |
* @throws IllegalArgumentException
|
724 |
*/
|
725 |
public static GeneralPathX toShape(com.vividsolutions.jts.geom.Geometry geometry) |
726 |
throws NoninvertibleTransformException { |
727 |
if (geometry.isEmpty()) {
|
728 |
return new GeneralPathX(); |
729 |
} |
730 |
|
731 |
if (geometry instanceof Polygon) { |
732 |
return toShape((Polygon) geometry); |
733 |
} |
734 |
|
735 |
if (geometry instanceof MultiPolygon) { |
736 |
return toShape((MultiPolygon) geometry);
|
737 |
} |
738 |
|
739 |
if (geometry instanceof LineString) { |
740 |
return toShape((LineString) geometry);
|
741 |
} |
742 |
|
743 |
if (geometry instanceof MultiLineString) { |
744 |
return toShape((MultiLineString) geometry);
|
745 |
} |
746 |
|
747 |
if (geometry instanceof GeometryCollection) { |
748 |
return toShape((GeometryCollection) geometry);
|
749 |
} |
750 |
|
751 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
752 |
geometry.getClass()); |
753 |
} |
754 |
|
755 |
|
756 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
757 |
GeneralPathX newGp = new GeneralPathX();
|
758 |
PathIterator theIterator;
|
759 |
int theType;
|
760 |
int numParts = 0; |
761 |
double[] theData = new double[6]; |
762 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
763 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
764 |
boolean bFirst = true; |
765 |
int xInt, yInt, antX = -1, antY = -1; |
766 |
|
767 |
theIterator = gp.getPathIterator(null); //, flatness); |
768 |
|
769 |
while (!theIterator.isDone()) {
|
770 |
theType = theIterator.currentSegment(theData); |
771 |
switch (theType) {
|
772 |
case PathIterator.SEG_MOVETO: |
773 |
numParts++; |
774 |
ptSrc.setLocation(theData[0], theData[1]); |
775 |
at.transform(ptSrc, ptDst); |
776 |
antX = (int) ptDst.getX();
|
777 |
antY = (int) ptDst.getY();
|
778 |
newGp.moveTo(antX, antY); |
779 |
bFirst = true;
|
780 |
break;
|
781 |
|
782 |
case PathIterator.SEG_LINETO: |
783 |
ptSrc.setLocation(theData[0], theData[1]); |
784 |
at.transform(ptSrc, ptDst); |
785 |
xInt = (int) ptDst.getX();
|
786 |
yInt = (int) ptDst.getY();
|
787 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
788 |
{ |
789 |
newGp.lineTo(xInt, yInt); |
790 |
antX = xInt; |
791 |
antY = yInt; |
792 |
bFirst = false;
|
793 |
} |
794 |
break;
|
795 |
|
796 |
case PathIterator.SEG_QUADTO: |
797 |
System.out.println("Not supported here"); |
798 |
|
799 |
break;
|
800 |
|
801 |
case PathIterator.SEG_CUBICTO: |
802 |
System.out.println("Not supported here"); |
803 |
|
804 |
break;
|
805 |
|
806 |
case PathIterator.SEG_CLOSE: |
807 |
newGp.closePath(); |
808 |
|
809 |
break;
|
810 |
} //end switch
|
811 |
|
812 |
theIterator.next(); |
813 |
} //end while loop
|
814 |
|
815 |
return newGp;
|
816 |
} |
817 |
public static FShape transformToInts(Geometry gp, AffineTransform at) { |
818 |
GeneralPathX newGp = new GeneralPathX();
|
819 |
double[] theData = new double[6]; |
820 |
double[] aux = new double[6]; |
821 |
|
822 |
// newGp.reset();
|
823 |
PathIterator theIterator;
|
824 |
int theType;
|
825 |
int numParts = 0; |
826 |
|
827 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
828 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
829 |
boolean bFirst = true; |
830 |
int xInt, yInt, antX = -1, antY = -1; |
831 |
|
832 |
|
833 |
theIterator = gp.getPathIterator(null); //, flatness); |
834 |
int numSegmentsAdded = 0; |
835 |
while (!theIterator.isDone()) {
|
836 |
theType = theIterator.currentSegment(theData); |
837 |
|
838 |
switch (theType) {
|
839 |
case PathIterator.SEG_MOVETO: |
840 |
numParts++; |
841 |
ptSrc.setLocation(theData[0], theData[1]); |
842 |
at.transform(ptSrc, ptDst); |
843 |
antX = (int) ptDst.getX();
|
844 |
antY = (int) ptDst.getY();
|
845 |
newGp.moveTo(antX, antY); |
846 |
numSegmentsAdded++; |
847 |
bFirst = true;
|
848 |
break;
|
849 |
|
850 |
case PathIterator.SEG_LINETO: |
851 |
ptSrc.setLocation(theData[0], theData[1]); |
852 |
at.transform(ptSrc, ptDst); |
853 |
xInt = (int) ptDst.getX();
|
854 |
yInt = (int) ptDst.getY();
|
855 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
856 |
{ |
857 |
newGp.lineTo(xInt, yInt); |
858 |
antX = xInt; |
859 |
antY = yInt; |
860 |
bFirst = false;
|
861 |
numSegmentsAdded++; |
862 |
} |
863 |
break;
|
864 |
|
865 |
case PathIterator.SEG_QUADTO: |
866 |
at.transform(theData,0,aux,0,2); |
867 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
868 |
numSegmentsAdded++; |
869 |
break;
|
870 |
|
871 |
case PathIterator.SEG_CUBICTO: |
872 |
at.transform(theData,0,aux,0,3); |
873 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
874 |
numSegmentsAdded++; |
875 |
break;
|
876 |
|
877 |
case PathIterator.SEG_CLOSE: |
878 |
if (numSegmentsAdded < 3) |
879 |
newGp.lineTo(antX, antY); |
880 |
newGp.closePath(); |
881 |
|
882 |
break;
|
883 |
} //end switch
|
884 |
|
885 |
theIterator.next(); |
886 |
} //end while loop
|
887 |
|
888 |
FShape shp = null;
|
889 |
switch (gp.getShapeType())
|
890 |
{ |
891 |
case FShape.POINT: //Tipo punto |
892 |
case FShape.POINT + FShape.Z:
|
893 |
shp = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ptDst.getX(), ptDst.getY()); |
894 |
break;
|
895 |
|
896 |
case FShape.LINE:
|
897 |
case FShape.LINE + FShape.Z:
|
898 |
case FShape.ARC:
|
899 |
shp = new Curve2D(null, null, newGp); |
900 |
break;
|
901 |
|
902 |
case FShape.POLYGON:
|
903 |
case FShape.POLYGON + FShape.Z:
|
904 |
case FShape.CIRCLE:
|
905 |
case FShape.ELLIPSE:
|
906 |
|
907 |
shp = new Surface2D(null, null, newGp); |
908 |
break;
|
909 |
} |
910 |
return shp;
|
911 |
} |
912 |
|
913 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) |
914 |
{ |
915 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
916 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
917 |
return r;
|
918 |
} |
919 |
|
920 |
public static Envelope convertRectangle2DtoEnvelope(Rectangle2D r) |
921 |
{ |
922 |
Envelope e = new Envelope(r.getX(), r.getX() + r.getWidth(), r.getY(),
|
923 |
r.getY() + r.getHeight()); |
924 |
return e;
|
925 |
} |
926 |
|
927 |
/**
|
928 |
* Return a correct polygon (no hole)
|
929 |
* @param coordinates
|
930 |
* @return
|
931 |
*/
|
932 |
public static Geometry getExteriorPolygon(Coordinate[] coordinates) |
933 |
{ |
934 |
// isCCW = true => it's a hole
|
935 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
936 |
if (CGAlgorithms.isCCW(coordinates)){
|
937 |
for (int i=vs.length-1;i>=0;i--){ |
938 |
vs[i]=coordinates[i]; |
939 |
} |
940 |
}else{
|
941 |
vs=coordinates; |
942 |
} |
943 |
LinearRing ring = geomFactory.createLinearRing(vs); |
944 |
|
945 |
try {
|
946 |
return GeometryFactory.createPolygon2D(toShape(ring));
|
947 |
} catch (NoninvertibleTransformException e) { |
948 |
e.printStackTrace(); |
949 |
} |
950 |
return null; |
951 |
} |
952 |
|
953 |
public static boolean isCCW(Point2D[] points) |
954 |
{ |
955 |
Coordinate[] vs=new Coordinate[points.length]; |
956 |
for (int i=points.length-1;i>=0;i--){ |
957 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
958 |
} |
959 |
|
960 |
return CGAlgorithms.isCCW(vs);
|
961 |
} |
962 |
|
963 |
public static boolean isCCW(Surface2D pol) |
964 |
{ |
965 |
com.vividsolutions.jts.geom.Geometry jtsGeom = Converter.java2d_to_jts(pol); |
966 |
if (jtsGeom.getNumGeometries() == 1) |
967 |
{ |
968 |
Coordinate[] coords = jtsGeom.getCoordinates();
|
969 |
return CGAlgorithms.isCCW(coords);
|
970 |
} |
971 |
return false; |
972 |
|
973 |
} |
974 |
|
975 |
|
976 |
/**
|
977 |
* Return a hole (CCW ordered points)
|
978 |
* @param coordinates
|
979 |
* @return
|
980 |
*/
|
981 |
public static Geometry getHole(Coordinate[] coordinates) |
982 |
{ |
983 |
// isCCW = true => it's a hole
|
984 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
985 |
if (CGAlgorithms.isCCW(coordinates)){
|
986 |
vs=coordinates; |
987 |
|
988 |
}else{
|
989 |
for (int i=vs.length-1;i>=0;i--){ |
990 |
vs[i]=coordinates[i]; |
991 |
} |
992 |
} |
993 |
LinearRing ring = geomFactory.createLinearRing(vs); |
994 |
|
995 |
try {
|
996 |
return GeometryFactory.createPolygon2D(toShape(ring));
|
997 |
} catch (NoninvertibleTransformException e) { |
998 |
e.printStackTrace(); |
999 |
} |
1000 |
return null; |
1001 |
} |
1002 |
|
1003 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
1004 |
Area area = new Area(gp); |
1005 |
area.isSingular(); |
1006 |
return area;
|
1007 |
|
1008 |
|
1009 |
|
1010 |
} |
1011 |
/**
|
1012 |
* Use it ONLY for NOT multipart polygons.
|
1013 |
* @param pol
|
1014 |
* @return
|
1015 |
*/
|
1016 |
public static Geometry getNotHolePolygon(Surface2D pol) { |
1017 |
// isCCW == true => hole
|
1018 |
Coordinate[] coords;
|
1019 |
ArrayList arrayCoords = null; |
1020 |
int theType;
|
1021 |
int numParts = 0; |
1022 |
|
1023 |
// Use this array to store segment coordinate data
|
1024 |
double[] theData = new double[6]; |
1025 |
PathIterator theIterator;
|
1026 |
|
1027 |
ArrayList shells = new ArrayList(); |
1028 |
ArrayList holes = new ArrayList(); |
1029 |
Coordinate[] points = null; |
1030 |
|
1031 |
theIterator = pol.getPathIterator(null, FLATNESS);
|
1032 |
|
1033 |
while (!theIterator.isDone()) {
|
1034 |
//while not done
|
1035 |
theType = theIterator.currentSegment(theData); |
1036 |
|
1037 |
//Populate a segment of the new
|
1038 |
// GeneralPathX object.
|
1039 |
//Process the current segment to populate a new
|
1040 |
// segment of the new GeneralPathX object.
|
1041 |
switch (theType) {
|
1042 |
case PathIterator.SEG_MOVETO: |
1043 |
|
1044 |
// System.out.println("SEG_MOVETO");
|
1045 |
if (arrayCoords == null) { |
1046 |
arrayCoords = new ArrayList(); |
1047 |
} else {
|
1048 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
1049 |
|
1050 |
try {
|
1051 |
LinearRing ring = geomFactory.createLinearRing(points); |
1052 |
|
1053 |
if (CGAlgorithms.isCCW(points)) {
|
1054 |
holes.add(ring); |
1055 |
} else {
|
1056 |
shells.add(ring); |
1057 |
} |
1058 |
} catch (Exception e) { |
1059 |
System.err.println(
|
1060 |
"Caught Topology exception in GMLLinearRingHandler");
|
1061 |
|
1062 |
return null; |
1063 |
} |
1064 |
|
1065 |
/* if (numParts == 1)
|
1066 |
{
|
1067 |
linRingExt = new GeometryFactory().createLinearRing(
|
1068 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
1069 |
}
|
1070 |
else
|
1071 |
{
|
1072 |
linRing = new GeometryFactory().createLinearRing(
|
1073 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
1074 |
arrayLines.add(linRing);
|
1075 |
} */
|
1076 |
arrayCoords = new ArrayList(); |
1077 |
} |
1078 |
|
1079 |
numParts++; |
1080 |
arrayCoords.add(new Coordinate(theData[0], |
1081 |
theData[1]));
|
1082 |
|
1083 |
break;
|
1084 |
|
1085 |
case PathIterator.SEG_LINETO: |
1086 |
|
1087 |
// System.out.println("SEG_LINETO");
|
1088 |
arrayCoords.add(new Coordinate(theData[0], |
1089 |
theData[1]));
|
1090 |
|
1091 |
break;
|
1092 |
|
1093 |
case PathIterator.SEG_QUADTO: |
1094 |
System.out.println("SEG_QUADTO Not supported here"); |
1095 |
|
1096 |
break;
|
1097 |
|
1098 |
case PathIterator.SEG_CUBICTO: |
1099 |
System.out.println("SEG_CUBICTO Not supported here"); |
1100 |
|
1101 |
break;
|
1102 |
|
1103 |
case PathIterator.SEG_CLOSE: |
1104 |
|
1105 |
// A�adimos el primer punto para cerrar.
|
1106 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
1107 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
1108 |
firstCoord.y)); |
1109 |
|
1110 |
break;
|
1111 |
} //end switch
|
1112 |
|
1113 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
1114 |
theIterator.next(); |
1115 |
} //end while loop
|
1116 |
|
1117 |
arrayCoords.add(arrayCoords.get(0));
|
1118 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
1119 |
|
1120 |
|
1121 |
if (numParts == 1) |
1122 |
{ |
1123 |
return getExteriorPolygon(coords);
|
1124 |
} |
1125 |
return GeometryFactory.createGeometry(pol);
|
1126 |
|
1127 |
} |
1128 |
|
1129 |
|
1130 |
/* public static GeometryCollection convertFGeometryCollection(FGeometryCollection fGeomC)
|
1131 |
{
|
1132 |
|
1133 |
geomFactory.createGeometryCollection(theGeoms);
|
1134 |
} */
|
1135 |
} |