svn-gvsig-desktop / tags / v2_0_0_Build_2058 / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / util / Converter.java @ 39246
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.fmap.geom.util; |
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import java.awt.Shape; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Area; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.PathIterator; |
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import java.awt.geom.Rectangle2D; |
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import java.lang.reflect.Array; |
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import java.util.ArrayList; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Surface; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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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 metodos estaticos utilizados para pasar de java2d a jts
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* y viceversa.
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*
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* @author fjp
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* @deprecated to be removed or moved from API to implementation in gvSIG 2.1.0
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*/
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public class Converter { |
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private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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private static final Logger logger = LoggerFactory.getLogger(Converter.class); |
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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 static GeometryManager manager = GeometryLocator.getGeometryManager(); |
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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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* @throws CreateGeometryException
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*/
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public static Geometry jtsToGeometry(com.vividsolutions.jts.geom.Geometry geo) throws CreateGeometryException{ |
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Geometry shpNew = null;
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try {
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if (geo instanceof Point) { |
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shpNew = geomManager.createPoint(((Point) geo).getX(),((Point) geo).getY(), SUBTYPES.GEOM2D); |
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} |
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if (geo.isEmpty()) {
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shpNew = null;
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} |
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try{
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if (geo instanceof com.vividsolutions.jts.geom.MultiPoint) { |
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shpNew = geomManager.create(TYPES.MULTIPOINT, SUBTYPES.GEOM2D); |
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for (int i = 0; i < geo.getNumGeometries(); i++) { |
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Point point = (Point) geo.getGeometryN(i); |
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((MultiPoint)shpNew).addPoint((org.gvsig.fmap.geom.primitive.Point) jtsToGeometry(point)); |
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} |
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} |
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if (geo instanceof Polygon) { |
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shpNew = geomManager.createSurface(toShape((Polygon) geo), SUBTYPES.GEOM2D);
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} |
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if (geo instanceof MultiPolygon) { |
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shpNew = geomManager.createSurface(toShape((MultiPolygon) geo), SUBTYPES.GEOM2D); |
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} |
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if (geo instanceof LineString) { |
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shpNew = geomManager.createCurve(toShape((LineString) geo), SUBTYPES.GEOM2D); |
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} |
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if (geo instanceof MultiLineString) { |
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shpNew = geomManager.create(TYPES.MULTICURVE, SUBTYPES.GEOM2D); |
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for (int i = 0; i < ((MultiLineString)geo).getNumGeometries(); i++) { |
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com.vividsolutions.jts.geom.Geometry g = ((MultiLineString)geo).getGeometryN(i); |
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Curve c = geomManager.createCurve(toShape((LineString) g), SUBTYPES.GEOM2D); |
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((MultiCurve)shpNew).addCurve(c); |
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} |
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} |
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}catch(CreateGeometryException e){
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logger.error("Error creating a geometry", e);
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} |
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return shpNew;
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} catch (NoninvertibleTransformException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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return null; |
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//
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// FShape shape = Converter.jts_to_java2d(jtsGeometry);
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// return factory.createGeometry(shape);
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} |
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/**
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* Convierte un MultiPoint2D a un MultiPoint de JTS
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* @param geom
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* @return
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*/
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public static com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPoint geom) { |
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Coordinate[] theGeoms = new Coordinate[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < theGeoms.length; i++) { |
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java.awt.geom.Point2D p = geom.getPrimitiveAt(i) |
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.getHandlers(Geometry.SELECTHANDLER)[0].getPoint();
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Coordinate c = new Coordinate(p.getX(), p.getY());
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theGeoms[i] = c; |
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} |
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com.vividsolutions.jts.geom.MultiPoint geomCol = new com.vividsolutions.jts.geom.GeometryFactory()
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.createMultiPoint(theGeoms); |
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return geomCol;
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} |
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/**
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* Convierte una MultiCurve2D en una MultiLineString de JTS
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* @param geom
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* @return
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*/
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public static com.vividsolutions.jts.geom.Geometry geometryToJts(MultiCurve geom) { |
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LineString[] lines = new LineString[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < lines.length; i++){ |
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lines[i] = (LineString) geometryToJts((geom.getPrimitiveAt(i))); |
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} |
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return new com.vividsolutions.jts.geom.GeometryFactory().createMultiLineString(lines); |
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} |
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/**
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* Convierte una MultiSurface2D en un MultiPolygon de JTS
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* @return
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*/
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public static com.vividsolutions.jts.geom.Geometry geometryToJts(MultiSurface geom) { |
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Polygon[] polygons = new Polygon[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < polygons.length; i++){ |
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polygons[i] = (Polygon) geometryToJts((geom.getPrimitiveAt(i)));
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} |
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return new com.vividsolutions.jts.geom.GeometryFactory().createMultiPolygon(polygons); |
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} |
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/**
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* Convierte una BaseMultiPrimitive en una GeometryCollection de JTS
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* @return
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*/
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public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPrimitive geom) {
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com.vividsolutions.jts.geom.Geometry[] geometriesAux = new LineString[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < geometriesAux.length; i++) { |
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geometriesAux[i] = geometryToJts((geom.getPrimitiveAt(i))); |
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} |
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return new com.vividsolutions.jts.geom.GeometryFactory().createGeometryCollection(geometriesAux); |
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} |
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public static com.vividsolutions.jts.geom.Geometry geometryToJtsWithSRID( |
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Geometry geom, int srid) {
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// logger.debug(geom.getClass());
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// logger.debug(new Integer(geom.getShapeType()));
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return geometryToJts(geom, geom.getType(), srid);
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} |
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public static com.vividsolutions.jts.geom.Geometry geometryToJts(Geometry geom) { |
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//logger.debug(geom.getClass());
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//logger.debug(new Integer(geom.getShapeType()));
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return geometryToJts(geom, geom.getType(), -1); |
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} |
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// public static com.vividsolutions.jts.geom.Geometry java2d_to_jts(FShape shp) {
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// return java2d_to_jts(shp, shp.getShapeType());
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// }
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private static boolean isClosed(Coordinate firstCoordinate, Coordinate lastCoordinate){ |
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double diff = Math.abs(lastCoordinate.x - firstCoordinate.x); |
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if (diff > 0.000001) { |
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return false; |
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} |
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diff = Math.abs(lastCoordinate.y - firstCoordinate.y);
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if (diff > 0.000001) { |
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return false; |
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} |
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return true; |
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} |
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public static com.vividsolutions.jts.geom.Geometry multiCurveToJts(MultiCurve geom, int srid) { |
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LineString[] lines = new LineString[geom.getPrimitivesNumber()]; |
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for (int i = 0; i < lines.length; i++){ |
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lines[i] = (LineString) curveToJts((geom.getPrimitiveAt(i)), srid); |
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} |
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return new com.vividsolutions.jts.geom.GeometryFactory().createMultiLineString(lines); |
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} |
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private static com.vividsolutions.jts.geom.Geometry curveToJts(Geometry shp, int srid){ |
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ArrayList arrayLines;
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LineString lin = null;
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PathIterator theIterator;
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int theType;
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int numParts = 0; |
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double[] theData = new double[6]; |
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ArrayList arrayCoords = null; |
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Coordinate coord; |
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arrayLines = new ArrayList(); |
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theIterator = shp.getPathIterator(null, manager.getFlatness());
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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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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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lin.setSRID(srid); |
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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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coord = new Coordinate(theData[0], theData[1]); |
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arrayCoords.add(coord); |
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break;
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case PathIterator.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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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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if (arrayCoords.size()<2) { |
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}else{
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lin = new com.vividsolutions.jts.geom.GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
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arrayCoords)); |
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lin.setSRID(srid); |
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} |
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return lin;
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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 linea recta AUTOMATICAMENTE!!!.
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*
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* @param shp FShape que se quiere convertir.
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*
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* @return Geometry de JTS.
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*/
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private static com.vividsolutions.jts.geom.Geometry geometryToJts( |
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Geometry shp, int shapeType, int srid) { |
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com.vividsolutions.jts.geom.Geometry geoJTS = null;
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Coordinate coord; |
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//Coordinate[] coords;
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ArrayList arrayCoords = null; |
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ArrayList arrayLines;
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LineString lin; |
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//LinearRing linRing;
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//LinearRing linRingExt = null;
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int theType;
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int numParts = 0; |
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// Use this array to store segment coordinate data
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double[] theData = new double[6]; |
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PathIterator theIterator;
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//logger.debug(shp.toString());
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switch (shapeType) {
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case Geometry.TYPES.POINT:
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org.gvsig.fmap.geom.primitive.impl.Point2D p = (org.gvsig.fmap.geom.primitive.impl.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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geoJTS.setSRID(srid); |
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break;
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/*case Geometry.TYPES.MULTIPOINT:
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org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D mp = (org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D) shp;
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int numPoints = mp.getPrimitivesNumber();
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Coordinate[] coordinates = new Coordinate[numPoints];
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for(int i=0; i<numPoints; i++){
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p = mp.getPoint(i);
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coordinates[i]=new Coordinate(p.getX(), p.getY());
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}
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geoJTS = geomFactory.createMultiPoint(coordinates);
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geoJTS.setSRID(srid);
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break;*/
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case Geometry.TYPES.CURVE:
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case Geometry.TYPES.ARC:
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case Geometry.TYPES.SPLINE:
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arrayLines = new ArrayList(); |
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theIterator = shp.getPathIterator(null, manager.getFlatness());
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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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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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lin.setSRID(srid); |
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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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coord = new Coordinate(theData[0], theData[1]); |
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arrayCoords.add(coord); |
441 |
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break;
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case PathIterator.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"); |
452 |
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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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Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
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arrayCoords.add(new Coordinate(firstCoord.x,
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firstCoord.y)); |
464 |
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break;
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} //end switch
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|
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theIterator.next(); |
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} //end while loop
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|
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if (arrayCoords.size()<2) { |
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break;
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} |
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lin = new com.vividsolutions.jts.geom.GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
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arrayCoords)); |
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lin.setSRID(srid); |
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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( |
485 |
arrayLines)); |
486 |
geoJTS.setSRID(srid); |
487 |
/* } else {
|
488 |
geoJTS = lin;
|
489 |
} */
|
490 |
|
491 |
break;
|
492 |
|
493 |
case Geometry.TYPES.SURFACE:
|
494 |
case Geometry.TYPES.CIRCLE:
|
495 |
case Geometry.TYPES.ELLIPSE:
|
496 |
arrayLines = new ArrayList(); |
497 |
|
498 |
ArrayList shells = new ArrayList(); |
499 |
ArrayList holes = new ArrayList(); |
500 |
Coordinate[] points = null; |
501 |
|
502 |
theIterator = shp.getPathIterator(null, manager.getFlatness());
|
503 |
|
504 |
while (!theIterator.isDone()) {
|
505 |
//while not done
|
506 |
theType = theIterator.currentSegment(theData); |
507 |
|
508 |
//Populate a segment of the new
|
509 |
// GeneralPathX object.
|
510 |
//Process the current segment to populate a new
|
511 |
// segment of the new GeneralPathX object.
|
512 |
switch (theType) {
|
513 |
case PathIterator.SEG_MOVETO: |
514 |
if (arrayCoords == null) { |
515 |
arrayCoords = new ArrayList(); |
516 |
} else {
|
517 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
518 |
|
519 |
try {
|
520 |
LinearRing ring = geomFactory.createLinearRing(points); |
521 |
|
522 |
if (CGAlgorithms.isCCW(points)) {
|
523 |
holes.add(ring); |
524 |
} else {
|
525 |
shells.add(ring); |
526 |
} |
527 |
} catch (Exception e) { |
528 |
boolean same = true; |
529 |
for (int i = 0; i < points.length-1 && same; i++) { |
530 |
if (points[i].x != points[i+1].x || |
531 |
points[i].y != points[i+1].y /*|| |
532 |
points[i].z != points[i+1].z*/
|
533 |
) { |
534 |
same = false;
|
535 |
} |
536 |
} |
537 |
if (same) {
|
538 |
return geomFactory.createPoint(points[0]); |
539 |
} |
540 |
if (points.length>1 && points.length<=3) { |
541 |
// return geomFactory.createLineString(points);
|
542 |
return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
543 |
} |
544 |
|
545 |
System.err.println(
|
546 |
"Caught Topology exception in GMLLinearRingHandler");
|
547 |
|
548 |
return null; |
549 |
} |
550 |
|
551 |
/* if (numParts == 1)
|
552 |
{
|
553 |
linRingExt = new GeometryFactory().createLinearRing(
|
554 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
555 |
}
|
556 |
else
|
557 |
{
|
558 |
linRing = new GeometryFactory().createLinearRing(
|
559 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
560 |
arrayLines.add(linRing);
|
561 |
} */
|
562 |
arrayCoords = new ArrayList(); |
563 |
} |
564 |
|
565 |
numParts++; |
566 |
arrayCoords.add(new Coordinate(theData[0], |
567 |
theData[1]));
|
568 |
|
569 |
break;
|
570 |
|
571 |
case PathIterator.SEG_LINETO: |
572 |
arrayCoords.add(new Coordinate(theData[0], |
573 |
theData[1]));
|
574 |
|
575 |
break;
|
576 |
|
577 |
case PathIterator.SEG_QUADTO: |
578 |
System.out.println("SEG_QUADTO Not supported here"); |
579 |
|
580 |
break;
|
581 |
|
582 |
case PathIterator.SEG_CUBICTO: |
583 |
System.out.println("SEG_CUBICTO Not supported here"); |
584 |
|
585 |
break;
|
586 |
|
587 |
case PathIterator.SEG_CLOSE: |
588 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
589 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
590 |
firstCoord.y)); |
591 |
|
592 |
break;
|
593 |
} //end switch
|
594 |
|
595 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
596 |
theIterator.next(); |
597 |
} //end while loop
|
598 |
|
599 |
|
600 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
601 |
Coordinate lastCoord = (Coordinate) arrayCoords.get(arrayCoords |
602 |
.size() - 1);
|
603 |
if (!isClosed(firstCoord, lastCoord)) {
|
604 |
arrayCoords.add(firstCoord); |
605 |
} |
606 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
607 |
|
608 |
try {
|
609 |
LinearRing ring = geomFactory.createLinearRing(points); |
610 |
|
611 |
if (CGAlgorithms.isCCW(points)) {
|
612 |
holes.add(ring); |
613 |
} else {
|
614 |
shells.add(ring); |
615 |
} |
616 |
ring.setSRID(srid); |
617 |
} catch (Exception e) { |
618 |
boolean same = true; |
619 |
for (int i = 0; i < points.length-1 && same; i++) { |
620 |
if (points[i].x != points[i+1].x || |
621 |
points[i].y != points[i+1].y /*|| |
622 |
points[i].z != points[i+1].z*/
|
623 |
) { |
624 |
same = false;
|
625 |
} |
626 |
} |
627 |
if (same) {
|
628 |
geoJTS = geomFactory.createPoint(points[0]);
|
629 |
geoJTS.setSRID(srid); |
630 |
return geoJTS;
|
631 |
} |
632 |
/*
|
633 |
* caso cuando es una linea de 3 puntos, no creo un LinearRing, sino
|
634 |
* una linea
|
635 |
*/
|
636 |
if (points.length>1 && points.length<=3) { |
637 |
// return geomFactory.createLineString(points);
|
638 |
geoJTS = geomFactory |
639 |
.createMultiLineString(new LineString[] { geomFactory |
640 |
.createLineString(points) }); |
641 |
geoJTS.setSRID(srid); |
642 |
return geoJTS;
|
643 |
} |
644 |
System.err.println(
|
645 |
"Caught Topology exception in GMLLinearRingHandler");
|
646 |
|
647 |
return null; |
648 |
} |
649 |
|
650 |
/* linRing = new GeometryFactory().createLinearRing(
|
651 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
652 |
|
653 |
// System.out.println("NumParts = " + numParts);
|
654 |
//now we have a list of all shells and all holes
|
655 |
ArrayList holesForShells = new ArrayList(shells.size()); |
656 |
|
657 |
for (int i = 0; i < shells.size(); i++) { |
658 |
holesForShells.add(new ArrayList()); |
659 |
} |
660 |
|
661 |
//find homes
|
662 |
for (int i = 0; i < holes.size(); i++) { |
663 |
LinearRing testRing = (LinearRing) holes.get(i); |
664 |
LinearRing minShell = null;
|
665 |
Envelope minEnv = null;
|
666 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
667 |
Coordinate testPt = testRing.getCoordinateN(0);
|
668 |
LinearRing tryRing = null;
|
669 |
|
670 |
for (int j = 0; j < shells.size(); j++) { |
671 |
tryRing = (LinearRing) shells.get(j); |
672 |
|
673 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
674 |
|
675 |
if (minShell != null) { |
676 |
minEnv = minShell.getEnvelopeInternal(); |
677 |
} |
678 |
|
679 |
boolean isContained = false; |
680 |
Coordinate[] coordList = tryRing.getCoordinates();
|
681 |
|
682 |
if (tryEnv.contains(testEnv) &&
|
683 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
684 |
(pointInList(testPt, coordList)))) { |
685 |
isContained = true;
|
686 |
} |
687 |
|
688 |
// check if this new containing ring is smaller than the current minimum ring
|
689 |
if (isContained) {
|
690 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
691 |
minShell = tryRing; |
692 |
} |
693 |
} |
694 |
} |
695 |
|
696 |
if (minShell == null) { |
697 |
// System.out.println(
|
698 |
// polygon found with a hole thats not inside a shell);
|
699 |
// azabala: we do the assumption that this hole is really a shell (polygon)
|
700 |
// whose point werent digitized in the right order
|
701 |
Coordinate[] cs = testRing.getCoordinates();
|
702 |
Coordinate[] reversed = new Coordinate[cs.length]; |
703 |
int pointIndex = 0; |
704 |
for(int z = cs.length-1; z >= 0; z--){ |
705 |
reversed[pointIndex] = cs[z]; |
706 |
pointIndex++; |
707 |
} |
708 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
709 |
shells.add(newRing); |
710 |
holesForShells.add(new ArrayList()); |
711 |
} else {
|
712 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
713 |
} |
714 |
} |
715 |
|
716 |
Polygon[] polygons = new Polygon[shells.size()]; |
717 |
|
718 |
for (int i = 0; i < shells.size(); i++) { |
719 |
polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
720 |
i), |
721 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
722 |
new LinearRing[0])); |
723 |
polygons[i].setSRID(srid); |
724 |
} |
725 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
726 |
// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
727 |
// O CON GEOTOOLS
|
728 |
// if (numParts > 1) // Generamos una MultiLineString
|
729 |
|
730 |
/* if (polygons.length == 1) {
|
731 |
return polygons[0];
|
732 |
} */
|
733 |
|
734 |
// FIN CAMBIO
|
735 |
|
736 |
holesForShells = null;
|
737 |
shells = null;
|
738 |
holes = null;
|
739 |
|
740 |
if (polygons.length == 1) { |
741 |
geoJTS = polygons[0];
|
742 |
} else {
|
743 |
// its a multi part
|
744 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
745 |
} |
746 |
geoJTS.setSRID(srid); |
747 |
//its a multi part
|
748 |
//geoJTS = geomFactory.createMultiPolygon(polygons);
|
749 |
//geoJTS.setSRID(srid);
|
750 |
|
751 |
break;
|
752 |
|
753 |
case Geometry.TYPES.MULTICURVE:
|
754 |
geoJTS = multiCurveToJts((MultiCurve)shp, srid); |
755 |
geoJTS.setSRID(srid); |
756 |
break;
|
757 |
|
758 |
case Geometry.TYPES.MULTIPOINT:
|
759 |
geoJTS = geometryToJts((MultiPoint)shp); |
760 |
geoJTS.setSRID(srid); |
761 |
break;
|
762 |
|
763 |
case Geometry.TYPES.MULTISURFACE:
|
764 |
geoJTS = multiSurfaceToJts((MultiSurface)shp, srid); |
765 |
geoJTS.setSRID(srid); |
766 |
break;
|
767 |
|
768 |
} |
769 |
|
770 |
geoJTS.setSRID(srid); |
771 |
return geoJTS;
|
772 |
} |
773 |
|
774 |
/**
|
775 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
776 |
*
|
777 |
* @param geo Geometry de JTS.
|
778 |
*
|
779 |
* @return FShape.
|
780 |
*/
|
781 |
// public static FShape jts_to_java2d(com.vividsolutions.jts.geom.Geometry geo) {
|
782 |
// FShape shpNew = null;
|
783 |
//
|
784 |
// try {
|
785 |
// if (geo instanceof Point) {
|
786 |
// shpNew = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ((Point) geo).getX(), ((Point) geo).getY());
|
787 |
// }
|
788 |
//
|
789 |
// if (geo.isEmpty()) {
|
790 |
// shpNew = null;
|
791 |
// }
|
792 |
//
|
793 |
// if (geo instanceof Polygon) {
|
794 |
// shpNew = new Surface2D(null, null, toShape((Polygon) geo));
|
795 |
// }
|
796 |
//
|
797 |
// if (geo instanceof MultiPolygon) {
|
798 |
// shpNew = new Surface2D(null, null, toShape((MultiPolygon) geo));
|
799 |
// }
|
800 |
//
|
801 |
// if (geo instanceof LineString) {
|
802 |
// shpNew = new Curve2D(null, null, toShape((LineString) geo));
|
803 |
// }
|
804 |
//
|
805 |
// if (geo instanceof MultiLineString) {
|
806 |
// shpNew = new Curve2D(null, null, toShape((MultiLineString) geo));
|
807 |
// }
|
808 |
//
|
809 |
// return shpNew;
|
810 |
// } catch (NoninvertibleTransformException e) {
|
811 |
// // TODO Auto-generated catch block
|
812 |
// e.printStackTrace();
|
813 |
// }
|
814 |
//
|
815 |
// return null;
|
816 |
// }
|
817 |
|
818 |
/**
|
819 |
* DOCUMENT ME!
|
820 |
*
|
821 |
* @param p DOCUMENT ME!
|
822 |
*
|
823 |
* @return DOCUMENT ME!
|
824 |
*/
|
825 |
private static GeneralPathX toShape(Polygon p) { |
826 |
GeneralPathX resul = new GeneralPathX();
|
827 |
Coordinate coord; |
828 |
|
829 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
830 |
coord = p.getExteriorRing().getCoordinateN(i); |
831 |
|
832 |
if (i == 0) { |
833 |
resul.moveTo(coord.x, coord.y); |
834 |
} else {
|
835 |
resul.lineTo(coord.x, coord.y); |
836 |
} |
837 |
} |
838 |
|
839 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
840 |
LineString hole = p.getInteriorRingN(j); |
841 |
|
842 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
843 |
coord = hole.getCoordinateN(k); |
844 |
|
845 |
if (k == 0) { |
846 |
resul.moveTo(coord.x, coord.y); |
847 |
} else {
|
848 |
resul.lineTo(coord.x, coord.y); |
849 |
} |
850 |
} |
851 |
} |
852 |
|
853 |
return resul;
|
854 |
} |
855 |
|
856 |
/**
|
857 |
* DOCUMENT ME!
|
858 |
*
|
859 |
* @param modelCoordinates DOCUMENT ME!
|
860 |
*
|
861 |
* @return DOCUMENT ME!
|
862 |
*
|
863 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
864 |
*
|
865 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
|
866 |
throws NoninvertibleTransformException {
|
867 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
|
868 |
|
869 |
for (int i = 0; i < modelCoordinates.length; i++) {
|
870 |
FPoint2D point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
871 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
872 |
}
|
873 |
|
874 |
return viewCoordinates;
|
875 |
}
|
876 |
* @throws CreateGeometryException */
|
877 |
|
878 |
/* private Shape toShape(GeometryCollection gc)
|
879 |
throws NoninvertibleTransformException {
|
880 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
881 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
882 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
883 |
shape.add(toShape(g));
|
884 |
}
|
885 |
return shape;
|
886 |
} */
|
887 |
private static GeneralPathX toShape(MultiLineString mls) |
888 |
throws NoninvertibleTransformException, CreateGeometryException { |
889 |
GeneralPathX path = new GeneralPathX();
|
890 |
|
891 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
892 |
LineString lineString = (LineString) mls.getGeometryN(i); |
893 |
path.append(toShape(lineString).getPathIterator(null), false); |
894 |
} |
895 |
|
896 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
897 |
//converted to GeneralPathXs. [Jon Aquino]
|
898 |
return path;
|
899 |
} |
900 |
|
901 |
/**
|
902 |
* DOCUMENT ME!
|
903 |
*
|
904 |
* @param lineString DOCUMENT ME!
|
905 |
*
|
906 |
* @return DOCUMENT ME!
|
907 |
*
|
908 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
909 |
* @throws CreateGeometryException
|
910 |
*/
|
911 |
private static GeneralPathX toShape(LineString lineString) |
912 |
throws NoninvertibleTransformException, CreateGeometryException { |
913 |
GeneralPathX shape = new GeneralPathX();
|
914 |
org.gvsig.fmap.geom.primitive.Point viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
915 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
916 |
|
917 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
918 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
919 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
920 |
} |
921 |
|
922 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
923 |
//converted to GeneralPathXs. [Jon Aquino]
|
924 |
return shape;
|
925 |
} |
926 |
|
927 |
|
928 |
/**
|
929 |
*
|
930 |
*/
|
931 |
private static GeneralPathX toShape(MultiPolygon mp) |
932 |
throws NoninvertibleTransformException { |
933 |
GeneralPathX path = new GeneralPathX();
|
934 |
|
935 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
936 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
937 |
path.append(toShape(polygon).getPathIterator(null), false); |
938 |
} |
939 |
|
940 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
941 |
//converted to GeneralPathXs. [Jon Aquino]
|
942 |
return path;
|
943 |
} |
944 |
/**
|
945 |
* DOCUMENT ME!
|
946 |
*
|
947 |
* @param coord DOCUMENT ME!
|
948 |
*
|
949 |
* @return DOCUMENT ME!
|
950 |
* @throws CreateGeometryException
|
951 |
*/
|
952 |
public static org.gvsig.fmap.geom.primitive.Point coordinate2FPoint2D(Coordinate coord) throws CreateGeometryException { |
953 |
return geomManager.createPoint(coord.x, coord.y, SUBTYPES.GEOM2D); //,coord.z); |
954 |
} |
955 |
|
956 |
/**
|
957 |
* Convierte una Geometry de JTS a GeneralPathX.
|
958 |
*
|
959 |
* @param geometry Geometry a convertir.
|
960 |
*
|
961 |
* @return GeneralPathX.
|
962 |
*
|
963 |
* @throws NoninvertibleTransformException
|
964 |
* @throws CreateGeometryException
|
965 |
* @throws IllegalArgumentException
|
966 |
*/
|
967 |
public static GeneralPathX toShape(com.vividsolutions.jts.geom.Geometry geometry) |
968 |
throws NoninvertibleTransformException, CreateGeometryException { |
969 |
if (geometry.isEmpty()) {
|
970 |
return new GeneralPathX(); |
971 |
} |
972 |
|
973 |
if (geometry instanceof Polygon) { |
974 |
return toShape((Polygon) geometry); |
975 |
} |
976 |
|
977 |
if (geometry instanceof MultiPolygon) { |
978 |
return toShape((MultiPolygon) geometry);
|
979 |
} |
980 |
|
981 |
if (geometry instanceof LineString) { |
982 |
return toShape((LineString) geometry);
|
983 |
} |
984 |
|
985 |
if (geometry instanceof MultiLineString) { |
986 |
return toShape((MultiLineString) geometry);
|
987 |
} |
988 |
|
989 |
if (geometry instanceof GeometryCollection) { |
990 |
return toShape(geometry);
|
991 |
} |
992 |
|
993 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
994 |
geometry.getClass()); |
995 |
} |
996 |
|
997 |
|
998 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
999 |
GeneralPathX newGp = new GeneralPathX();
|
1000 |
PathIterator theIterator;
|
1001 |
int theType;
|
1002 |
int numParts = 0; |
1003 |
double[] theData = new double[6]; |
1004 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
1005 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
1006 |
boolean bFirst = true; |
1007 |
int xInt, yInt, antX = -1, antY = -1; |
1008 |
|
1009 |
theIterator = gp.getPathIterator(null); //, flatness); |
1010 |
|
1011 |
while (!theIterator.isDone()) {
|
1012 |
theType = theIterator.currentSegment(theData); |
1013 |
switch (theType) {
|
1014 |
case PathIterator.SEG_MOVETO: |
1015 |
numParts++; |
1016 |
ptSrc.setLocation(theData[0], theData[1]); |
1017 |
at.transform(ptSrc, ptDst); |
1018 |
antX = (int) ptDst.getX();
|
1019 |
antY = (int) ptDst.getY();
|
1020 |
newGp.moveTo(antX, antY); |
1021 |
bFirst = true;
|
1022 |
break;
|
1023 |
|
1024 |
case PathIterator.SEG_LINETO: |
1025 |
ptSrc.setLocation(theData[0], theData[1]); |
1026 |
at.transform(ptSrc, ptDst); |
1027 |
xInt = (int) ptDst.getX();
|
1028 |
yInt = (int) ptDst.getY();
|
1029 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
1030 |
{ |
1031 |
newGp.lineTo(xInt, yInt); |
1032 |
antX = xInt; |
1033 |
antY = yInt; |
1034 |
bFirst = false;
|
1035 |
} |
1036 |
break;
|
1037 |
|
1038 |
case PathIterator.SEG_QUADTO: |
1039 |
System.out.println("Not supported here"); |
1040 |
|
1041 |
break;
|
1042 |
|
1043 |
case PathIterator.SEG_CUBICTO: |
1044 |
System.out.println("Not supported here"); |
1045 |
|
1046 |
break;
|
1047 |
|
1048 |
case PathIterator.SEG_CLOSE: |
1049 |
newGp.closePath(); |
1050 |
|
1051 |
break;
|
1052 |
} //end switch
|
1053 |
|
1054 |
theIterator.next(); |
1055 |
} //end while loop
|
1056 |
|
1057 |
return newGp;
|
1058 |
} |
1059 |
public static Geometry transformToInts(Geometry gp, AffineTransform at) throws CreateGeometryException { |
1060 |
GeneralPathX newGp = new GeneralPathX();
|
1061 |
double[] theData = new double[6]; |
1062 |
double[] aux = new double[6]; |
1063 |
|
1064 |
// newGp.reset();
|
1065 |
PathIterator theIterator;
|
1066 |
int theType;
|
1067 |
int numParts = 0; |
1068 |
|
1069 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
1070 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
1071 |
boolean bFirst = true; |
1072 |
int xInt, yInt, antX = -1, antY = -1; |
1073 |
|
1074 |
|
1075 |
theIterator = gp.getPathIterator(null); //, flatness); |
1076 |
int numSegmentsAdded = 0; |
1077 |
while (!theIterator.isDone()) {
|
1078 |
theType = theIterator.currentSegment(theData); |
1079 |
|
1080 |
switch (theType) {
|
1081 |
case PathIterator.SEG_MOVETO: |
1082 |
numParts++; |
1083 |
ptSrc.setLocation(theData[0], theData[1]); |
1084 |
at.transform(ptSrc, ptDst); |
1085 |
antX = (int) ptDst.getX();
|
1086 |
antY = (int) ptDst.getY();
|
1087 |
newGp.moveTo(antX, antY); |
1088 |
numSegmentsAdded++; |
1089 |
bFirst = true;
|
1090 |
break;
|
1091 |
|
1092 |
case PathIterator.SEG_LINETO: |
1093 |
ptSrc.setLocation(theData[0], theData[1]); |
1094 |
at.transform(ptSrc, ptDst); |
1095 |
xInt = (int) ptDst.getX();
|
1096 |
yInt = (int) ptDst.getY();
|
1097 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
1098 |
{ |
1099 |
newGp.lineTo(xInt, yInt); |
1100 |
antX = xInt; |
1101 |
antY = yInt; |
1102 |
bFirst = false;
|
1103 |
numSegmentsAdded++; |
1104 |
} |
1105 |
break;
|
1106 |
|
1107 |
case PathIterator.SEG_QUADTO: |
1108 |
at.transform(theData,0,aux,0,2); |
1109 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
1110 |
numSegmentsAdded++; |
1111 |
break;
|
1112 |
|
1113 |
case PathIterator.SEG_CUBICTO: |
1114 |
at.transform(theData,0,aux,0,3); |
1115 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
1116 |
numSegmentsAdded++; |
1117 |
break;
|
1118 |
|
1119 |
case PathIterator.SEG_CLOSE: |
1120 |
if (numSegmentsAdded < 3) { |
1121 |
newGp.lineTo(antX, antY); |
1122 |
} |
1123 |
newGp.closePath(); |
1124 |
|
1125 |
break;
|
1126 |
} //end switch
|
1127 |
|
1128 |
theIterator.next(); |
1129 |
} //end while loop
|
1130 |
|
1131 |
Geometry shp = null;
|
1132 |
switch (gp.getType())
|
1133 |
{ |
1134 |
case Geometry.TYPES.POINT:
|
1135 |
shp = geomManager.createPoint(ptDst.getX(), ptDst.getY(), SUBTYPES.GEOM2D); |
1136 |
break;
|
1137 |
|
1138 |
case Geometry.TYPES.CURVE:
|
1139 |
case Geometry.TYPES.ARC:
|
1140 |
try {
|
1141 |
shp = geomManager.createCurve(newGp, SUBTYPES.GEOM2D); |
1142 |
} catch (CreateGeometryException e1) {
|
1143 |
logger.error("Error creating a curve", e1);
|
1144 |
} |
1145 |
break;
|
1146 |
|
1147 |
case Geometry.TYPES.SURFACE:
|
1148 |
case Geometry.TYPES.CIRCLE:
|
1149 |
case Geometry.TYPES.ELLIPSE:
|
1150 |
|
1151 |
try {
|
1152 |
shp = geomManager.createSurface(newGp, SUBTYPES.GEOM2D); |
1153 |
} catch (CreateGeometryException e) {
|
1154 |
logger.error("Error creating a surface", e);
|
1155 |
} |
1156 |
break;
|
1157 |
} |
1158 |
return shp;
|
1159 |
} |
1160 |
|
1161 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) { |
1162 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
1163 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
1164 |
return r;
|
1165 |
} |
1166 |
|
1167 |
public static Envelope convertEnvelopeToJTS(org.gvsig.fmap.geom.primitive.Envelope r) { |
1168 |
Envelope e = new Envelope(r.getMinimum(0), r.getMaximum(0), r.getMinimum(1), |
1169 |
r.getMaximum(1));
|
1170 |
return e;
|
1171 |
} |
1172 |
|
1173 |
/**
|
1174 |
* Return a correct polygon (no hole)
|
1175 |
* @param coordinates
|
1176 |
* @return
|
1177 |
*/
|
1178 |
public static Geometry getExteriorPolygon(Coordinate[] coordinates) { |
1179 |
// isCCW = true => it's a hole
|
1180 |
Coordinate[] vs = new Coordinate[coordinates.length]; |
1181 |
if (CGAlgorithms.isCCW(coordinates)) {
|
1182 |
for (int i = vs.length-1;i >= 0; i--){ |
1183 |
vs[i] = coordinates[i]; |
1184 |
} |
1185 |
} else {
|
1186 |
vs = coordinates; |
1187 |
} |
1188 |
LinearRing ring = geomFactory.createLinearRing(vs); |
1189 |
|
1190 |
try {
|
1191 |
Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
1192 |
surface.setGeneralPath(toShape(ring)); |
1193 |
return surface;
|
1194 |
} catch (NoninvertibleTransformException e) { |
1195 |
e.printStackTrace(); |
1196 |
} catch (CreateGeometryException e) {
|
1197 |
e.printStackTrace(); |
1198 |
} |
1199 |
return null; |
1200 |
} |
1201 |
|
1202 |
public static boolean isCCW(Point[] points) { |
1203 |
int length = points.length;
|
1204 |
Coordinate[] vs;
|
1205 |
|
1206 |
if (points[0].getX() != points[length-1].getX() || points[0].getY() != points[length-1].getY()) { |
1207 |
vs=new Coordinate[length+1]; |
1208 |
vs[points.length] = new Coordinate(points[0].getX(), points[0].getY()); |
1209 |
} else {
|
1210 |
vs=new Coordinate[length];
|
1211 |
} |
1212 |
for (int i = 0; i < length; i++) { |
1213 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
1214 |
} |
1215 |
|
1216 |
return CGAlgorithms.isCCW(vs);
|
1217 |
} |
1218 |
|
1219 |
public static boolean isCCW(Surface pol) { |
1220 |
com.vividsolutions.jts.geom.Geometry jtsGeom = Converter.geometryToJts(pol); |
1221 |
if (jtsGeom.getNumGeometries() == 1) { |
1222 |
Coordinate[] coords = jtsGeom.getCoordinates();
|
1223 |
return CGAlgorithms.isCCW(coords);
|
1224 |
} |
1225 |
return false; |
1226 |
} |
1227 |
|
1228 |
/**
|
1229 |
* Return a hole (CCW ordered points)
|
1230 |
* @param coordinates
|
1231 |
* @return
|
1232 |
*/
|
1233 |
public static Geometry getHole(Coordinate[] coordinates) { |
1234 |
Coordinate[] vs = new Coordinate[coordinates.length]; |
1235 |
if (CGAlgorithms.isCCW(coordinates)) {
|
1236 |
vs=coordinates; |
1237 |
|
1238 |
}else{
|
1239 |
for (int i = vs.length-1; i >= 0; i--) { |
1240 |
vs[i] = coordinates[i]; |
1241 |
} |
1242 |
} |
1243 |
LinearRing ring = geomFactory.createLinearRing(vs); |
1244 |
|
1245 |
try {
|
1246 |
Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
1247 |
surface.setGeneralPath(toShape(ring)); |
1248 |
return surface;
|
1249 |
} catch (NoninvertibleTransformException e) { |
1250 |
e.printStackTrace(); |
1251 |
} catch (CreateGeometryException e) {
|
1252 |
e.printStackTrace(); |
1253 |
} |
1254 |
return null; |
1255 |
} |
1256 |
|
1257 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
1258 |
Area area = new Area(gp); |
1259 |
area.isSingular(); |
1260 |
return area;
|
1261 |
} |
1262 |
|
1263 |
/**
|
1264 |
* Use it ONLY for NOT multipart polygons.
|
1265 |
* @param pol
|
1266 |
* @return
|
1267 |
*/
|
1268 |
public static Geometry getNotHolePolygon(Surface pol) { |
1269 |
// isCCW == true => hole
|
1270 |
Coordinate[] coords;
|
1271 |
ArrayList arrayCoords = null; |
1272 |
int theType;
|
1273 |
int numParts = 0; |
1274 |
|
1275 |
// Use this array to store segment coordinate data
|
1276 |
double[] theData = new double[6]; |
1277 |
PathIterator theIterator;
|
1278 |
|
1279 |
ArrayList shells = new ArrayList(); |
1280 |
ArrayList holes = new ArrayList(); |
1281 |
Coordinate[] points = null; |
1282 |
|
1283 |
theIterator = pol.getPathIterator(null, manager.getFlatness());
|
1284 |
|
1285 |
while (!theIterator.isDone()) {
|
1286 |
//while not done
|
1287 |
theType = theIterator.currentSegment(theData); |
1288 |
|
1289 |
//Populate a segment of the new
|
1290 |
// GeneralPathX object.
|
1291 |
//Process the current segment to populate a new
|
1292 |
// segment of the new GeneralPathX object.
|
1293 |
switch (theType) {
|
1294 |
case PathIterator.SEG_MOVETO: |
1295 |
|
1296 |
// System.out.println("SEG_MOVETO");
|
1297 |
if (arrayCoords == null) { |
1298 |
arrayCoords = new ArrayList(); |
1299 |
} else {
|
1300 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
1301 |
|
1302 |
try {
|
1303 |
LinearRing ring = geomFactory.createLinearRing(points); |
1304 |
|
1305 |
if (CGAlgorithms.isCCW(points)) {
|
1306 |
holes.add(ring); |
1307 |
} else {
|
1308 |
shells.add(ring); |
1309 |
} |
1310 |
} catch (Exception e) { |
1311 |
System.err.println(
|
1312 |
"Caught Topology exception in GMLLinearRingHandler");
|
1313 |
|
1314 |
return null; |
1315 |
} |
1316 |
arrayCoords = new ArrayList(); |
1317 |
} |
1318 |
|
1319 |
numParts++; |
1320 |
arrayCoords.add(new Coordinate(theData[0], |
1321 |
theData[1]));
|
1322 |
|
1323 |
break;
|
1324 |
|
1325 |
case PathIterator.SEG_LINETO: |
1326 |
arrayCoords.add(new Coordinate(theData[0], |
1327 |
theData[1]));
|
1328 |
break;
|
1329 |
case PathIterator.SEG_QUADTO: |
1330 |
System.out.println("SEG_QUADTO Not supported here"); |
1331 |
break;
|
1332 |
case PathIterator.SEG_CUBICTO: |
1333 |
System.out.println("SEG_CUBICTO Not supported here"); |
1334 |
break;
|
1335 |
case PathIterator.SEG_CLOSE: |
1336 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
1337 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
1338 |
firstCoord.y)); |
1339 |
break;
|
1340 |
} //end switch
|
1341 |
|
1342 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
1343 |
theIterator.next(); |
1344 |
} //end while loop
|
1345 |
|
1346 |
arrayCoords.add(arrayCoords.get(0));
|
1347 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
1348 |
|
1349 |
if (numParts == 1) { |
1350 |
return getExteriorPolygon(coords);
|
1351 |
} |
1352 |
return pol;
|
1353 |
} |
1354 |
|
1355 |
/**
|
1356 |
* Metodo creado para construir un MultiSurface formado por varias surface
|
1357 |
*
|
1358 |
* @author Leticia Riestra
|
1359 |
* @param geom
|
1360 |
* @return
|
1361 |
*/
|
1362 |
public static com.vividsolutions.jts.geom.Geometry multiSurfaceToJts(MultiSurface geom, int srid) { |
1363 |
Polygon[] polygons = new Polygon[geom.getPrimitivesNumber()]; |
1364 |
for (int i = 0; i < polygons.length; i++){ |
1365 |
MultiPolygon polygon = (MultiPolygon)surfaceToJts((geom.getPrimitiveAt(i)), srid); |
1366 |
|
1367 |
polygons[i] = (Polygon)polygon.getGeometryN(0);//(Polygon) surfaceToJts((geom.getPrimitiveAt(i)), srid); |
1368 |
} |
1369 |
return new com.vividsolutions.jts.geom.GeometryFactory().createMultiPolygon(polygons); |
1370 |
} |
1371 |
|
1372 |
private static com.vividsolutions.jts.geom.Geometry surfaceToJts(Geometry shp, int srid) { |
1373 |
com.vividsolutions.jts.geom.Geometry geoJTS = null;
|
1374 |
ArrayList arrayLines;
|
1375 |
LineString lin = null;
|
1376 |
PathIterator theIterator;
|
1377 |
int theType;
|
1378 |
int numParts = 0; |
1379 |
double[] theData = new double[6]; |
1380 |
ArrayList arrayCoords = null; |
1381 |
Coordinate coord; |
1382 |
|
1383 |
arrayLines = new ArrayList(); |
1384 |
|
1385 |
ArrayList shells = new ArrayList(); |
1386 |
ArrayList holes = new ArrayList(); |
1387 |
Coordinate[] points = null; |
1388 |
|
1389 |
theIterator = shp.getPathIterator(null, manager.getFlatness());
|
1390 |
|
1391 |
while (!theIterator.isDone()) {
|
1392 |
//while not done
|
1393 |
theType = theIterator.currentSegment(theData); |
1394 |
|
1395 |
//Populate a segment of the new
|
1396 |
// GeneralPathX object.
|
1397 |
//Process the current segment to populate a new
|
1398 |
// segment of the new GeneralPathX object.
|
1399 |
switch (theType) {
|
1400 |
case PathIterator.SEG_MOVETO: |
1401 |
|
1402 |
// System.out.println("SEG_MOVETO");
|
1403 |
if (arrayCoords == null) { |
1404 |
arrayCoords = new ArrayList(); |
1405 |
} else {
|
1406 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
1407 |
|
1408 |
try {
|
1409 |
LinearRing ring = geomFactory.createLinearRing(points); |
1410 |
|
1411 |
if (CGAlgorithms.isCCW(points)) {
|
1412 |
holes.add(ring); |
1413 |
} else {
|
1414 |
shells.add(ring); |
1415 |
} |
1416 |
} catch (Exception e) { |
1417 |
boolean same = true; |
1418 |
for (int i = 0; i < points.length-1 && same; i++) { |
1419 |
if (points[i].x != points[i+1].x || |
1420 |
points[i].y != points[i+1].y /*|| |
1421 |
points[i].z != points[i+1].z*/
|
1422 |
) { |
1423 |
same = false;
|
1424 |
} |
1425 |
} |
1426 |
if (same) {
|
1427 |
return geomFactory.createPoint(points[0]); |
1428 |
} |
1429 |
|
1430 |
if (points.length>1 && points.length<=3) { |
1431 |
// return geomFactory.createLineString(points);
|
1432 |
return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
1433 |
} |
1434 |
|
1435 |
System.err.println(
|
1436 |
"Caught Topology exception in GMLLinearRingHandler");
|
1437 |
|
1438 |
return null; |
1439 |
} |
1440 |
|
1441 |
/* if (numParts == 1)
|
1442 |
{
|
1443 |
linRingExt = new GeometryFactory().createLinearRing(
|
1444 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
1445 |
}
|
1446 |
else
|
1447 |
{
|
1448 |
linRing = new GeometryFactory().createLinearRing(
|
1449 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
1450 |
arrayLines.add(linRing);
|
1451 |
} */
|
1452 |
arrayCoords = new ArrayList(); |
1453 |
} |
1454 |
|
1455 |
numParts++; |
1456 |
arrayCoords.add(new Coordinate(theData[0], |
1457 |
theData[1]));
|
1458 |
|
1459 |
break;
|
1460 |
|
1461 |
case PathIterator.SEG_LINETO: |
1462 |
|
1463 |
arrayCoords.add(new Coordinate(theData[0], |
1464 |
theData[1]));
|
1465 |
|
1466 |
break;
|
1467 |
|
1468 |
case PathIterator.SEG_QUADTO: |
1469 |
System.out.println("SEG_QUADTO Not supported here"); |
1470 |
|
1471 |
break;
|
1472 |
|
1473 |
case PathIterator.SEG_CUBICTO: |
1474 |
System.out.println("SEG_CUBICTO Not supported here"); |
1475 |
|
1476 |
break;
|
1477 |
|
1478 |
case PathIterator.SEG_CLOSE: |
1479 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
1480 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
1481 |
firstCoord.y)); |
1482 |
|
1483 |
break;
|
1484 |
} //end switch
|
1485 |
|
1486 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
1487 |
theIterator.next(); |
1488 |
} //end while loop
|
1489 |
|
1490 |
|
1491 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
1492 |
Coordinate lastCoord = (Coordinate) arrayCoords.get(arrayCoords |
1493 |
.size() - 1);
|
1494 |
if (!isClosed(firstCoord, lastCoord)) {
|
1495 |
arrayCoords.add(firstCoord); |
1496 |
} |
1497 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
1498 |
|
1499 |
try {
|
1500 |
LinearRing ring = geomFactory.createLinearRing(points); |
1501 |
|
1502 |
if (CGAlgorithms.isCCW(points)) {
|
1503 |
holes.add(ring); |
1504 |
} else {
|
1505 |
shells.add(ring); |
1506 |
} |
1507 |
ring.setSRID(srid); |
1508 |
} catch (Exception e) { |
1509 |
boolean same = true; |
1510 |
for (int i = 0; i < points.length-1 && same; i++) { |
1511 |
if (points[i].x != points[i+1].x || |
1512 |
points[i].y != points[i+1].y /*|| |
1513 |
points[i].z != points[i+1].z*/
|
1514 |
) { |
1515 |
same = false;
|
1516 |
} |
1517 |
} |
1518 |
if (same) {
|
1519 |
geoJTS = geomFactory.createPoint(points[0]);
|
1520 |
geoJTS.setSRID(srid); |
1521 |
return geoJTS;
|
1522 |
} |
1523 |
if (points.length>1 && points.length<=3) { |
1524 |
// return geomFactory.createLineString(points);
|
1525 |
geoJTS = geomFactory |
1526 |
.createMultiLineString(new LineString[] { geomFactory |
1527 |
.createLineString(points) }); |
1528 |
geoJTS.setSRID(srid); |
1529 |
return geoJTS;
|
1530 |
} |
1531 |
System.err.println(
|
1532 |
"Caught Topology exception in GMLLinearRingHandler");
|
1533 |
|
1534 |
return null; |
1535 |
} |
1536 |
|
1537 |
/* linRing = new GeometryFactory().createLinearRing(
|
1538 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
1539 |
|
1540 |
// System.out.println("NumParts = " + numParts);
|
1541 |
//now we have a list of all shells and all holes
|
1542 |
ArrayList holesForShells = new ArrayList(shells.size()); |
1543 |
|
1544 |
for (int i = 0; i < shells.size(); i++) { |
1545 |
holesForShells.add(new ArrayList()); |
1546 |
} |
1547 |
|
1548 |
//find homes
|
1549 |
for (int i = 0; i < holes.size(); i++) { |
1550 |
LinearRing testRing = (LinearRing) holes.get(i); |
1551 |
LinearRing minShell = null;
|
1552 |
Envelope minEnv = null;
|
1553 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
1554 |
Coordinate testPt = testRing.getCoordinateN(0);
|
1555 |
LinearRing tryRing = null;
|
1556 |
|
1557 |
for (int j = 0; j < shells.size(); j++) { |
1558 |
tryRing = (LinearRing) shells.get(j); |
1559 |
|
1560 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
1561 |
|
1562 |
if (minShell != null) { |
1563 |
minEnv = minShell.getEnvelopeInternal(); |
1564 |
} |
1565 |
|
1566 |
boolean isContained = false; |
1567 |
Coordinate[] coordList = tryRing.getCoordinates();
|
1568 |
|
1569 |
if (tryEnv.contains(testEnv) &&
|
1570 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
1571 |
(pointInList(testPt, coordList)))) { |
1572 |
isContained = true;
|
1573 |
} |
1574 |
|
1575 |
// check if this new containing ring is smaller than the current minimum ring
|
1576 |
if (isContained) {
|
1577 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
1578 |
minShell = tryRing; |
1579 |
} |
1580 |
} |
1581 |
} |
1582 |
|
1583 |
if (minShell == null) { |
1584 |
// System.out.println(
|
1585 |
// polygon found with a hole thats not inside a shell);
|
1586 |
// azabala: we do the assumption that this hole is really a shell (polygon)
|
1587 |
// whose point werent digitized in the right order
|
1588 |
Coordinate[] cs = testRing.getCoordinates();
|
1589 |
Coordinate[] reversed = new Coordinate[cs.length]; |
1590 |
int pointIndex = 0; |
1591 |
for(int z = cs.length-1; z >= 0; z--){ |
1592 |
reversed[pointIndex] = cs[z]; |
1593 |
pointIndex++; |
1594 |
} |
1595 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
1596 |
shells.add(newRing); |
1597 |
holesForShells.add(new ArrayList()); |
1598 |
} else {
|
1599 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
1600 |
} |
1601 |
} |
1602 |
|
1603 |
Polygon[] polygons = new Polygon[shells.size()]; |
1604 |
|
1605 |
for (int i = 0; i < shells.size(); i++) { |
1606 |
polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
1607 |
i), |
1608 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
1609 |
new LinearRing[0])); |
1610 |
polygons[i].setSRID(srid); |
1611 |
} |
1612 |
|
1613 |
|
1614 |
holesForShells = null;
|
1615 |
shells = null;
|
1616 |
holes = null;
|
1617 |
|
1618 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
1619 |
geoJTS.setSRID(srid); |
1620 |
|
1621 |
return geoJTS;
|
1622 |
} |
1623 |
|
1624 |
/* public static GeometryCollection convertFGeometryCollection(FGeometryCollection fGeomC)
|
1625 |
{
|
1626 |
|
1627 |
geomFactory.createGeometryCollection(theGeoms);
|
1628 |
} */
|
1629 |
} |