svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.impl / src / main / java / org / gvsig / fmap / geom / util / Converter.java @ 41216
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.geom.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 java.util.List; |
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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.Primitive; |
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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 DAL Geometry
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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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/*
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* We need a loop because a global path would not
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* differentiate between move-to inside a polygon (holes)
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* and move-to from one polygon to another
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*/
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MultiSurface msu = geomManager.createMultiSurface(SUBTYPES.GEOM2D); |
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MultiPolygon mpo = (MultiPolygon) geo; |
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Surface itemsu = null;
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int npo = mpo.getNumGeometries();
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for (int i=0; i<npo; i++) { |
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itemsu = geomManager.createSurface( |
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toShape((Polygon) mpo.getGeometryN(i)), SUBTYPES.GEOM2D);
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msu.addPrimitive(itemsu); |
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} |
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shpNew = msu; |
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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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e.printStackTrace(); |
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} |
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return null; |
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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 = |
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new com.vividsolutions.jts.geom.GeometryFactory().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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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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/**
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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(Geometry geom, int srid) { |
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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 geometryToJtsWithSRIDForcingType(Geometry geom, int srid, int type) { |
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return geometryToJts(geom, type, srid);
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} |
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public static com.vividsolutions.jts.geom.Geometry geometryToJts(Geometry geom) { |
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return geometryToJts(geom, geom.getType(), -1); |
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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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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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int theType;
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int numParts = 0; |
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double[] dataLine = new double[3]; |
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double[] dataQuad = new double[3]; |
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double[] dataCubic = new double[3]; |
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ArrayList arrayCoords = null; |
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Coordinate coord; |
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int subType = shp.getGeometryType().getSubType();
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boolean is3D = subType == 1 || subType == 3; |
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arrayLines = new ArrayList(); |
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//El pathIterator no tiene en cuenta coordenadas 3D, por lo que de usar este, las Z's se perder?n
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//Las splines vienen con todos los puntos calculados por lo que no es necesario un
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//iterador que interpole. Por esto obtenemos el mismo resultado recorriendo los puntos.
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//Tiene su riesgo pero hasta que se soporte el 3D en el iterador funciona para todos los casos
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//theIterator = pol.getPathIterator(null, manager.getFlatness());
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GeneralPathX gp = shp.getGeneralPath(); |
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//while (!theIterator.isDone()) {
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int nPoint = 0; |
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for (int nType = 0; nType < gp.getNumTypes(); nType++) { |
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theType = gp.getTypeAt(nType); |
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switch (theType) {
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case PathIterator.SEG_MOVETO: |
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case PathIterator.SEG_LINETO: //Se lee un punto |
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dataLine = gp.get3DCoordinatesAt(nPoint); |
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nPoint ++; |
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break;
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case PathIterator.SEG_QUADTO: //Se leen dos puntos |
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dataLine = gp.get3DCoordinatesAt(nPoint); |
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dataQuad = gp.get3DCoordinatesAt(nPoint + 1);
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nPoint += 2;
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break;
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case PathIterator.SEG_CUBICTO: //Se leen tres puntos |
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dataLine = gp.get3DCoordinatesAt(nPoint); |
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dataQuad = gp.get3DCoordinatesAt(nPoint + 1);
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dataCubic = gp.get3DCoordinatesAt(nPoint + 2);
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nPoint += 3;
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break;
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} |
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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( |
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CoordinateArrays.toCoordinateArray(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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if(is3D)
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coord = new Coordinate(dataLine[0], dataLine[1], dataLine[2]); |
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else
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coord = new Coordinate(dataLine[0], dataLine[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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loadArrayCoordinates(arrayCoords, is3D, dataLine); |
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break;
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case PathIterator.SEG_QUADTO: |
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loadArrayCoordinates(arrayCoords, is3D, dataLine); |
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loadArrayCoordinates(arrayCoords, is3D, dataQuad); |
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break;
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case PathIterator.SEG_CUBICTO: |
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loadArrayCoordinates(arrayCoords, is3D, dataLine); |
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loadArrayCoordinates(arrayCoords, is3D, dataQuad); |
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loadArrayCoordinates(arrayCoords, is3D, dataCubic); |
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break;
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|
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case PathIterator.SEG_CLOSE: |
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Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
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loadArrayCoordinates(arrayCoords, is3D, new double[]{firstCoord.x, firstCoord.y, firstCoord.z}); |
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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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|
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} else {
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lin = new com.vividsolutions.jts.geom.GeometryFactory().createLineString(
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CoordinateArrays.toCoordinateArray(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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/**
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* Convierte un Geometry de DAL 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 destinationType, int srid) { |
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com.vividsolutions.jts.geom.Geometry geoJTS = null;
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Coordinate coord; |
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ArrayList arrayCoords = null; |
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ArrayList arrayLines;
|
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LineString lin; |
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int theType;
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int numParts = 0; |
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int sourceType = shp.getGeometryType().getType();
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int subType = shp.getGeometryType().getSubType();
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boolean is3D = subType == 1 || subType == 3; |
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|
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//Use this array to store segment coordinate data
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double[] dataLine = new double[3]; |
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double[] dataQuad = new double[3]; |
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double[] dataCubic = new double[3]; |
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|
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switch (sourceType) {
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case Geometry.TYPES.POINT:
|
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if(is3D) {
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org.gvsig.fmap.geom.primitive.impl.Point2DZ p = (org.gvsig.fmap.geom.primitive.impl.Point2DZ) shp; |
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coord = new Coordinate(p.getX(), p.getY(), p.getCoordinateAt(Geometry.DIMENSIONS.Z));
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} else {
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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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} |
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geoJTS = geomFactory.createPoint(coord); |
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geoJTS.setSRID(srid); |
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break;
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|
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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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case Geometry.TYPES.ELLIPTICARC:
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|
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arrayLines = new ArrayList(); |
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|
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//El pathIterator no tiene en cuenta coordenadas 3D, por lo que de usar este, las Z's se perder?n
|
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//Las splines vienen con todos los puntos calculados por lo que no es necesario un
|
| 416 |
//iterador que interpole. Por esto obtenemos el mismo resultado recorriendo los puntos.
|
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//Tiene su riesgo pero hasta que se soporte el 3D en el iterador funciona para todos los casos
|
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|
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//theIterator = pol.getPathIterator(null, manager.getFlatness());
|
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GeneralPathX gp = shp.getGeneralPath(); |
| 421 |
|
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//while (!theIterator.isDone()) {
|
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int nPoint = 0; |
| 424 |
for (int nType = 0; nType < gp.getNumTypes(); nType++) { |
| 425 |
theType = gp.getTypeAt(nType); |
| 426 |
switch (theType) {
|
| 427 |
case PathIterator.SEG_MOVETO: |
| 428 |
case PathIterator.SEG_LINETO: //Se lee un punto |
| 429 |
dataLine = gp.get3DCoordinatesAt(nPoint); |
| 430 |
nPoint ++; |
| 431 |
break;
|
| 432 |
case PathIterator.SEG_QUADTO: //Se leen dos puntos |
| 433 |
dataLine = gp.get3DCoordinatesAt(nPoint); |
| 434 |
dataQuad = gp.get3DCoordinatesAt(nPoint + 1);
|
| 435 |
nPoint += 2;
|
| 436 |
break;
|
| 437 |
case PathIterator.SEG_CUBICTO: //Se leen tres puntos |
| 438 |
dataLine = gp.get3DCoordinatesAt(nPoint); |
| 439 |
dataQuad = gp.get3DCoordinatesAt(nPoint + 1);
|
| 440 |
dataCubic = gp.get3DCoordinatesAt(nPoint + 2);
|
| 441 |
nPoint += 3;
|
| 442 |
break;
|
| 443 |
} |
| 444 |
|
| 445 |
//Populate a segment of the new
|
| 446 |
// GeneralPathX object.
|
| 447 |
//Process the current segment to populate a new
|
| 448 |
// segment of the new GeneralPathX object.
|
| 449 |
switch (theType) {
|
| 450 |
case PathIterator.SEG_MOVETO: |
| 451 |
if (arrayCoords == null) { |
| 452 |
arrayCoords = new ArrayList(); |
| 453 |
} else {
|
| 454 |
lin = geomFactory.createLineString(CoordinateArrays.toCoordinateArray(arrayCoords)); |
| 455 |
lin.setSRID(srid); |
| 456 |
arrayLines.add(lin); |
| 457 |
arrayCoords = new ArrayList(); |
| 458 |
} |
| 459 |
|
| 460 |
numParts++; |
| 461 |
if(is3D)
|
| 462 |
coord = new Coordinate(dataLine[0], dataLine[1], dataLine[2]); |
| 463 |
else
|
| 464 |
coord = new Coordinate(dataLine[0], dataLine[1]); |
| 465 |
|
| 466 |
arrayCoords.add(coord); |
| 467 |
break;
|
| 468 |
|
| 469 |
case PathIterator.SEG_LINETO: |
| 470 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 471 |
break;
|
| 472 |
|
| 473 |
case PathIterator.SEG_QUADTO: |
| 474 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 475 |
loadArrayCoordinates(arrayCoords, is3D, dataQuad); |
| 476 |
break;
|
| 477 |
|
| 478 |
case PathIterator.SEG_CUBICTO: |
| 479 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 480 |
loadArrayCoordinates(arrayCoords, is3D, dataQuad); |
| 481 |
loadArrayCoordinates(arrayCoords, is3D, dataCubic); |
| 482 |
break;
|
| 483 |
|
| 484 |
case PathIterator.SEG_CLOSE: |
| 485 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 486 |
loadArrayCoordinates(arrayCoords, is3D, new double[]{firstCoord.x, firstCoord.y, firstCoord.z}); |
| 487 |
break;
|
| 488 |
} //end switch
|
| 489 |
|
| 490 |
//theIterator.next();
|
| 491 |
} //end while loop
|
| 492 |
|
| 493 |
if (arrayCoords.size() < 2) { |
| 494 |
break;
|
| 495 |
} |
| 496 |
lin = new com.vividsolutions.jts.geom.GeometryFactory().createLineString(
|
| 497 |
CoordinateArrays.toCoordinateArray(arrayCoords)); |
| 498 |
|
| 499 |
lin.setSRID(srid); |
| 500 |
geoJTS = lin; |
| 501 |
|
| 502 |
/*
|
| 503 |
* We were creating always a multilinestring here, but
|
| 504 |
* we have decided that we should return the correct type
|
| 505 |
* (linestring) and other parts of the application will have
|
| 506 |
* to solve the problem, it there is a problem with this.
|
| 507 |
*
|
| 508 |
arrayLines.add(lin);
|
| 509 |
geoJTS = geomFactory.createMultiLineString(
|
| 510 |
com.vividsolutions.jts.geom.GeometryFactory.toLineStringArray(arrayLines));
|
| 511 |
geoJTS.setSRID(srid);
|
| 512 |
*/
|
| 513 |
break;
|
| 514 |
|
| 515 |
case Geometry.TYPES.SURFACE:
|
| 516 |
case Geometry.TYPES.CIRCLE:
|
| 517 |
case Geometry.TYPES.ELLIPSE:
|
| 518 |
arrayLines = new ArrayList(); |
| 519 |
|
| 520 |
ArrayList shells = new ArrayList(); |
| 521 |
ArrayList holes = new ArrayList(); |
| 522 |
Coordinate[] points = null; |
| 523 |
|
| 524 |
//El pathIterator no tiene en cuenta coordenadas 3D, pero para la creaci?n de elipses y circulos
|
| 525 |
//es necesario el iterador que interpole puntos. El resultado es que en la creaci?n de geometr?as de este
|
| 526 |
//tipo no se puede asignar la Z porque se perder?a, pero gvSIG tampoco dispone de esta funci?n, as? que
|
| 527 |
//no se nota. Una vez creadas las geometr?a de tipo Elipse y circulo cuando las editamos ya tendr?n todos
|
| 528 |
//los puntos calculados y se toman como l?neas por lo que ya se podr?a asignar la Z.
|
| 529 |
|
| 530 |
PathIterator theIterator = shp.getPathIterator(null, manager.getFlatness()); |
| 531 |
while (!theIterator.isDone()) {
|
| 532 |
theType = theIterator.currentSegment(dataLine); |
| 533 |
|
| 534 |
switch (theType) {
|
| 535 |
case PathIterator.SEG_MOVETO: |
| 536 |
if (arrayCoords == null) { |
| 537 |
arrayCoords = new ArrayList(); |
| 538 |
} else {
|
| 539 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 540 |
|
| 541 |
try {
|
| 542 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 543 |
|
| 544 |
if (CGAlgorithms.isCCW(points)) {
|
| 545 |
holes.add(ring); |
| 546 |
} else {
|
| 547 |
shells.add(ring); |
| 548 |
} |
| 549 |
} catch (Exception e) { |
| 550 |
boolean same = true; |
| 551 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 552 |
if (points[i].x != points[i+1].x || |
| 553 |
points[i].y != points[i+1].y /*|| |
| 554 |
points[i].z != points[i+1].z*/
|
| 555 |
) {
|
| 556 |
same = false;
|
| 557 |
} |
| 558 |
} |
| 559 |
if (same) {
|
| 560 |
return geomFactory.createPoint(points[0]); |
| 561 |
} |
| 562 |
if (points.length>1 && points.length <= 3) { |
| 563 |
// return geomFactory.createLineString(points);
|
| 564 |
return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
| 565 |
} |
| 566 |
|
| 567 |
System.err.println(
|
| 568 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 569 |
|
| 570 |
return null; |
| 571 |
} |
| 572 |
arrayCoords = new ArrayList(); |
| 573 |
} |
| 574 |
|
| 575 |
numParts++; |
| 576 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 577 |
break;
|
| 578 |
|
| 579 |
case PathIterator.SEG_LINETO: |
| 580 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 581 |
break;
|
| 582 |
|
| 583 |
case PathIterator.SEG_QUADTO: |
| 584 |
break;
|
| 585 |
|
| 586 |
case PathIterator.SEG_CUBICTO: |
| 587 |
break;
|
| 588 |
|
| 589 |
case PathIterator.SEG_CLOSE: |
| 590 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 591 |
loadArrayCoordinates(arrayCoords, is3D, new double[]{firstCoord.x, firstCoord.y, firstCoord.z}); |
| 592 |
break;
|
| 593 |
} //end switch
|
| 594 |
|
| 595 |
theIterator.next(); |
| 596 |
} //end while loop
|
| 597 |
|
| 598 |
|
| 599 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 600 |
Coordinate lastCoord = (Coordinate) arrayCoords.get(arrayCoords.size() - 1);
|
| 601 |
if (!isClosed(firstCoord, lastCoord)) {
|
| 602 |
arrayCoords.add(firstCoord); |
| 603 |
} |
| 604 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 605 |
|
| 606 |
try {
|
| 607 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 608 |
|
| 609 |
if (CGAlgorithms.isCCW(points)) {
|
| 610 |
holes.add(ring); |
| 611 |
} else {
|
| 612 |
shells.add(ring); |
| 613 |
} |
| 614 |
ring.setSRID(srid); |
| 615 |
} catch (Exception e) { |
| 616 |
boolean same = true; |
| 617 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 618 |
if (points[i].x != points[i+1].x || |
| 619 |
points[i].y != points[i+1].y /*|| |
| 620 |
points[i].z != points[i+1].z*/
|
| 621 |
) {
|
| 622 |
same = false;
|
| 623 |
} |
| 624 |
} |
| 625 |
if (same) {
|
| 626 |
geoJTS = geomFactory.createPoint(points[0]);
|
| 627 |
geoJTS.setSRID(srid); |
| 628 |
return geoJTS;
|
| 629 |
} |
| 630 |
/*
|
| 631 |
* caso cuando es una linea de 3 puntos, no creo un LinearRing, sino
|
| 632 |
* una linea
|
| 633 |
*/
|
| 634 |
if (points.length > 1 && points.length <= 3) { |
| 635 |
// return geomFactory.createLineString(points);
|
| 636 |
geoJTS = geomFactory.createMultiLineString(new LineString[] { geomFactory.createLineString(points) }); |
| 637 |
geoJTS.setSRID(srid); |
| 638 |
return geoJTS;
|
| 639 |
} |
| 640 |
System.err.println("Caught Topology exception in GMLLinearRingHandler"); |
| 641 |
|
| 642 |
return null; |
| 643 |
} |
| 644 |
|
| 645 |
/* linRing = new GeometryFactory().createLinearRing(
|
| 646 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
| 647 |
|
| 648 |
// System.out.println("NumParts = " + numParts);
|
| 649 |
//now we have a list of all shells and all holes
|
| 650 |
ArrayList holesForShells = new ArrayList(shells.size()); |
| 651 |
|
| 652 |
for (int i = 0; i < shells.size(); i++) { |
| 653 |
holesForShells.add(new ArrayList()); |
| 654 |
} |
| 655 |
|
| 656 |
//find homes
|
| 657 |
for (int i = 0; i < holes.size(); i++) { |
| 658 |
LinearRing testRing = (LinearRing) holes.get(i); |
| 659 |
LinearRing minShell = null;
|
| 660 |
Envelope minEnv = null;
|
| 661 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
| 662 |
Coordinate testPt = testRing.getCoordinateN(0);
|
| 663 |
LinearRing tryRing = null;
|
| 664 |
|
| 665 |
for (int j = 0; j < shells.size(); j++) { |
| 666 |
tryRing = (LinearRing) shells.get(j); |
| 667 |
|
| 668 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
| 669 |
|
| 670 |
if (minShell != null) { |
| 671 |
minEnv = minShell.getEnvelopeInternal(); |
| 672 |
} |
| 673 |
|
| 674 |
boolean isContained = false; |
| 675 |
Coordinate[] coordList = tryRing.getCoordinates();
|
| 676 |
|
| 677 |
if (tryEnv.contains(testEnv) &&
|
| 678 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
| 679 |
(pointInList(testPt, coordList)))) {
|
| 680 |
isContained = true;
|
| 681 |
} |
| 682 |
|
| 683 |
// check if this new containing ring is smaller than the current minimum ring
|
| 684 |
if (isContained) {
|
| 685 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
| 686 |
minShell = tryRing; |
| 687 |
} |
| 688 |
} |
| 689 |
} |
| 690 |
|
| 691 |
if (minShell == null) { |
| 692 |
// System.out.println(
|
| 693 |
// polygon found with a hole thats not inside a shell);
|
| 694 |
// azabala: we do the assumption that this hole is really a shell (polygon)
|
| 695 |
// whose point werent digitized in the right order
|
| 696 |
Coordinate[] cs = testRing.getCoordinates();
|
| 697 |
Coordinate[] reversed = new Coordinate[cs.length]; |
| 698 |
int pointIndex = 0; |
| 699 |
for(int z = cs.length-1; z >= 0; z--){ |
| 700 |
reversed[pointIndex] = cs[z]; |
| 701 |
pointIndex++; |
| 702 |
} |
| 703 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
| 704 |
shells.add(newRing); |
| 705 |
holesForShells.add(new ArrayList()); |
| 706 |
} else {
|
| 707 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
| 708 |
} |
| 709 |
} |
| 710 |
|
| 711 |
Polygon[] polygons = new Polygon[shells.size()]; |
| 712 |
|
| 713 |
for (int i = 0; i < shells.size(); i++) { |
| 714 |
polygons[i] = geomFactory.createPolygon( |
| 715 |
(LinearRing) shells.get(i), |
| 716 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray(new LinearRing[0])); |
| 717 |
polygons[i].setSRID(srid); |
| 718 |
} |
| 719 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
| 720 |
// LO QUE HACE TO_DO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
| 721 |
// O CON GEOTOOLS
|
| 722 |
// if (numParts > 1) // Generamos una MultiLineString
|
| 723 |
|
| 724 |
/* if (polygons.length == 1) {
|
| 725 |
return polygons[0];
|
| 726 |
} */
|
| 727 |
|
| 728 |
// FIN CAMBIO
|
| 729 |
|
| 730 |
holesForShells = null;
|
| 731 |
shells = null;
|
| 732 |
holes = null;
|
| 733 |
|
| 734 |
if (polygons.length == 1) { |
| 735 |
geoJTS = polygons[0];
|
| 736 |
} else {
|
| 737 |
// its a multi part
|
| 738 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
| 739 |
} |
| 740 |
geoJTS.setSRID(srid); |
| 741 |
//its a multi part
|
| 742 |
//geoJTS = geomFactory.createMultiPolygon(polygons);
|
| 743 |
//geoJTS.setSRID(srid);
|
| 744 |
|
| 745 |
break;
|
| 746 |
|
| 747 |
case Geometry.TYPES.MULTICURVE:
|
| 748 |
geoJTS = multiCurveToJts((MultiCurve)shp, srid); |
| 749 |
geoJTS.setSRID(srid); |
| 750 |
break;
|
| 751 |
|
| 752 |
case Geometry.TYPES.MULTIPOINT:
|
| 753 |
geoJTS = geometryToJts((MultiPoint)shp); |
| 754 |
geoJTS.setSRID(srid); |
| 755 |
break;
|
| 756 |
|
| 757 |
case Geometry.TYPES.MULTISURFACE:
|
| 758 |
geoJTS = multiSurfaceToJts((MultiSurface)shp, srid); |
| 759 |
geoJTS.setSRID(srid); |
| 760 |
break;
|
| 761 |
} |
| 762 |
|
| 763 |
if(destinationType != sourceType)
|
| 764 |
geoJTS = convertTypes(geoJTS, sourceType, destinationType); |
| 765 |
|
| 766 |
geoJTS.setSRID(srid); |
| 767 |
return geoJTS;
|
| 768 |
} |
| 769 |
|
| 770 |
/**
|
| 771 |
* This function is called when the we need force types, that is the destination
|
| 772 |
* type does not match with the input geometry type
|
| 773 |
* @param g
|
| 774 |
* @param sourceType
|
| 775 |
* @param destinationType
|
| 776 |
* @return
|
| 777 |
*/
|
| 778 |
private static com.vividsolutions.jts.geom.Geometry convertTypes( |
| 779 |
com.vividsolutions.jts.geom.Geometry g, |
| 780 |
int sourceType,
|
| 781 |
int destinationType) {
|
| 782 |
if((sourceType == Geometry.TYPES.CURVE ||
|
| 783 |
sourceType == Geometry.TYPES.SPLINE || |
| 784 |
sourceType == Geometry.TYPES.ARC || |
| 785 |
sourceType == Geometry.TYPES.ELLIPTICARC) |
| 786 |
&& destinationType == Geometry.TYPES.MULTISURFACE) {
|
| 787 |
if(g instanceof MultiLineString) { |
| 788 |
Polygon[] poly = new Polygon[((MultiLineString)g).getNumGeometries()]; |
| 789 |
for (int i = 0; i < ((MultiLineString)g).getNumGeometries(); i++) { |
| 790 |
com.vividsolutions.jts.geom.Geometry lineString = ((MultiLineString)g).getGeometryN(i); |
| 791 |
poly[i] = convertLineStringToPolygon((LineString)lineString); |
| 792 |
} |
| 793 |
return geomFactory.createMultiPolygon(poly);
|
| 794 |
} else
|
| 795 |
return convertLineStringToPolygon((LineString)g);
|
| 796 |
} |
| 797 |
|
| 798 |
if((sourceType == Geometry.TYPES.CIRCLE ||
|
| 799 |
sourceType == Geometry.TYPES.ELLIPSE) && |
| 800 |
destinationType == Geometry.TYPES.MULTICURVE) {
|
| 801 |
if(g instanceof Polygon) { |
| 802 |
Polygon poly = (Polygon)g; |
| 803 |
LineString lineString = geomFactory.createLinearRing(poly.getCoordinates()); |
| 804 |
return geomFactory.createMultiLineString(new LineString[]{lineString}); |
| 805 |
} |
| 806 |
} |
| 807 |
return g;
|
| 808 |
} |
| 809 |
|
| 810 |
private static com.vividsolutions.jts.geom.Polygon convertLineStringToPolygon(LineString line) { |
| 811 |
Coordinate[] coordinates = line.getCoordinates();
|
| 812 |
LinearRing shell = geomFactory.createLinearRing(coordinates); |
| 813 |
Polygon pol = geomFactory.createPolygon(shell, null); |
| 814 |
return pol;
|
| 815 |
} |
| 816 |
|
| 817 |
/**
|
| 818 |
* DOCUMENT ME!
|
| 819 |
*
|
| 820 |
* @param p DOCUMENT ME!
|
| 821 |
*
|
| 822 |
* @return DOCUMENT ME!
|
| 823 |
*/
|
| 824 |
private static GeneralPathX toShape(Polygon p) { |
| 825 |
GeneralPathX resul = new GeneralPathX();
|
| 826 |
Coordinate coord; |
| 827 |
|
| 828 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
| 829 |
coord = p.getExteriorRing().getCoordinateN(i); |
| 830 |
|
| 831 |
if (i == 0) { |
| 832 |
resul.moveTo(coord.x, coord.y); |
| 833 |
} else {
|
| 834 |
resul.lineTo(coord.x, coord.y); |
| 835 |
} |
| 836 |
} |
| 837 |
|
| 838 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
| 839 |
LineString hole = p.getInteriorRingN(j); |
| 840 |
|
| 841 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
| 842 |
coord = hole.getCoordinateN(k); |
| 843 |
|
| 844 |
if (k == 0) { |
| 845 |
resul.moveTo(coord.x, coord.y); |
| 846 |
} else {
|
| 847 |
resul.lineTo(coord.x, coord.y); |
| 848 |
} |
| 849 |
} |
| 850 |
} |
| 851 |
|
| 852 |
return resul;
|
| 853 |
} |
| 854 |
|
| 855 |
|
| 856 |
private static GeneralPathX toShape(MultiLineString mls) |
| 857 |
throws NoninvertibleTransformException, CreateGeometryException { |
| 858 |
GeneralPathX path = new GeneralPathX();
|
| 859 |
|
| 860 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
| 861 |
LineString lineString = (LineString) mls.getGeometryN(i); |
| 862 |
path.append(toShape(lineString).getPathIterator(null), false); |
| 863 |
} |
| 864 |
|
| 865 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 866 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 867 |
return path;
|
| 868 |
} |
| 869 |
|
| 870 |
/**
|
| 871 |
* DOCUMENT ME!
|
| 872 |
*
|
| 873 |
* @param lineString DOCUMENT ME!
|
| 874 |
*
|
| 875 |
* @return DOCUMENT ME!
|
| 876 |
*
|
| 877 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 878 |
* @throws CreateGeometryException
|
| 879 |
*/
|
| 880 |
private static GeneralPathX toShape(LineString lineString) |
| 881 |
throws NoninvertibleTransformException, CreateGeometryException { |
| 882 |
GeneralPathX shape = new GeneralPathX();
|
| 883 |
org.gvsig.fmap.geom.primitive.Point viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
| 884 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
| 885 |
|
| 886 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
| 887 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
| 888 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
| 889 |
} |
| 890 |
|
| 891 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 892 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 893 |
return shape;
|
| 894 |
} |
| 895 |
|
| 896 |
|
| 897 |
/**
|
| 898 |
*
|
| 899 |
*/
|
| 900 |
private static GeneralPathX toShape(MultiPolygon mp) |
| 901 |
throws NoninvertibleTransformException { |
| 902 |
GeneralPathX path = new GeneralPathX();
|
| 903 |
|
| 904 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
| 905 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
| 906 |
path.append(toShape(polygon).getPathIterator(null), false); |
| 907 |
} |
| 908 |
|
| 909 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 910 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 911 |
return path;
|
| 912 |
} |
| 913 |
/**
|
| 914 |
* DOCUMENT ME!
|
| 915 |
*
|
| 916 |
* @param coord DOCUMENT ME!
|
| 917 |
*
|
| 918 |
* @return DOCUMENT ME!
|
| 919 |
* @throws CreateGeometryException
|
| 920 |
*/
|
| 921 |
public static org.gvsig.fmap.geom.primitive.Point coordinate2FPoint2D(Coordinate coord) throws CreateGeometryException { |
| 922 |
return geomManager.createPoint(coord.x, coord.y, SUBTYPES.GEOM2D); //,coord.z); |
| 923 |
} |
| 924 |
|
| 925 |
/**
|
| 926 |
* Convierte una Geometry de JTS a GeneralPathX.
|
| 927 |
*
|
| 928 |
* @param geometry Geometry a convertir.
|
| 929 |
*
|
| 930 |
* @return GeneralPathX.
|
| 931 |
*
|
| 932 |
* @throws NoninvertibleTransformException
|
| 933 |
* @throws CreateGeometryException
|
| 934 |
* @throws IllegalArgumentException
|
| 935 |
*/
|
| 936 |
public static GeneralPathX toShape(com.vividsolutions.jts.geom.Geometry geometry) |
| 937 |
throws NoninvertibleTransformException, CreateGeometryException { |
| 938 |
if (geometry.isEmpty()) {
|
| 939 |
return new GeneralPathX(); |
| 940 |
} |
| 941 |
|
| 942 |
if (geometry instanceof Polygon) { |
| 943 |
return toShape((Polygon) geometry); |
| 944 |
} |
| 945 |
|
| 946 |
if (geometry instanceof MultiPolygon) { |
| 947 |
return toShape((MultiPolygon) geometry);
|
| 948 |
} |
| 949 |
|
| 950 |
if (geometry instanceof LineString) { |
| 951 |
return toShape((LineString) geometry);
|
| 952 |
} |
| 953 |
|
| 954 |
if (geometry instanceof MultiLineString) { |
| 955 |
return toShape((MultiLineString) geometry);
|
| 956 |
} |
| 957 |
|
| 958 |
if (geometry instanceof GeometryCollection) { |
| 959 |
return toShape(geometry);
|
| 960 |
} |
| 961 |
|
| 962 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
| 963 |
geometry.getClass()); |
| 964 |
} |
| 965 |
|
| 966 |
|
| 967 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
| 968 |
GeneralPathX newGp = new GeneralPathX();
|
| 969 |
PathIterator theIterator;
|
| 970 |
int theType;
|
| 971 |
int numParts = 0; |
| 972 |
double[] theData = new double[6]; |
| 973 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 974 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 975 |
boolean bFirst = true; |
| 976 |
int xInt, yInt, antX = -1, antY = -1; |
| 977 |
|
| 978 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 979 |
|
| 980 |
while (!theIterator.isDone()) {
|
| 981 |
theType = theIterator.currentSegment(theData); |
| 982 |
switch (theType) {
|
| 983 |
case PathIterator.SEG_MOVETO: |
| 984 |
numParts++; |
| 985 |
ptSrc.setLocation(theData[0], theData[1]); |
| 986 |
at.transform(ptSrc, ptDst); |
| 987 |
antX = (int) ptDst.getX();
|
| 988 |
antY = (int) ptDst.getY();
|
| 989 |
newGp.moveTo(antX, antY); |
| 990 |
bFirst = true;
|
| 991 |
break;
|
| 992 |
|
| 993 |
case PathIterator.SEG_LINETO: |
| 994 |
ptSrc.setLocation(theData[0], theData[1]); |
| 995 |
at.transform(ptSrc, ptDst); |
| 996 |
xInt = (int) ptDst.getX();
|
| 997 |
yInt = (int) ptDst.getY();
|
| 998 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
| 999 |
{
|
| 1000 |
newGp.lineTo(xInt, yInt); |
| 1001 |
antX = xInt; |
| 1002 |
antY = yInt; |
| 1003 |
bFirst = false;
|
| 1004 |
} |
| 1005 |
break;
|
| 1006 |
|
| 1007 |
case PathIterator.SEG_QUADTO: |
| 1008 |
System.out.println("Not supported here"); |
| 1009 |
|
| 1010 |
break;
|
| 1011 |
|
| 1012 |
case PathIterator.SEG_CUBICTO: |
| 1013 |
System.out.println("Not supported here"); |
| 1014 |
|
| 1015 |
break;
|
| 1016 |
|
| 1017 |
case PathIterator.SEG_CLOSE: |
| 1018 |
newGp.closePath(); |
| 1019 |
|
| 1020 |
break;
|
| 1021 |
} //end switch
|
| 1022 |
|
| 1023 |
theIterator.next(); |
| 1024 |
} //end while loop
|
| 1025 |
|
| 1026 |
return newGp;
|
| 1027 |
} |
| 1028 |
public static Geometry transformToInts(Geometry gp, AffineTransform at) throws CreateGeometryException { |
| 1029 |
GeneralPathX newGp = new GeneralPathX();
|
| 1030 |
double[] theData = new double[6]; |
| 1031 |
double[] aux = new double[6]; |
| 1032 |
|
| 1033 |
// newGp.reset();
|
| 1034 |
PathIterator theIterator;
|
| 1035 |
int theType;
|
| 1036 |
int numParts = 0; |
| 1037 |
|
| 1038 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 1039 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 1040 |
boolean bFirst = true; |
| 1041 |
int xInt, yInt, antX = -1, antY = -1; |
| 1042 |
|
| 1043 |
|
| 1044 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 1045 |
int numSegmentsAdded = 0; |
| 1046 |
while (!theIterator.isDone()) {
|
| 1047 |
theType = theIterator.currentSegment(theData); |
| 1048 |
|
| 1049 |
switch (theType) {
|
| 1050 |
case PathIterator.SEG_MOVETO: |
| 1051 |
numParts++; |
| 1052 |
ptSrc.setLocation(theData[0], theData[1]); |
| 1053 |
at.transform(ptSrc, ptDst); |
| 1054 |
antX = (int) ptDst.getX();
|
| 1055 |
antY = (int) ptDst.getY();
|
| 1056 |
newGp.moveTo(antX, antY); |
| 1057 |
numSegmentsAdded++; |
| 1058 |
bFirst = true;
|
| 1059 |
break;
|
| 1060 |
|
| 1061 |
case PathIterator.SEG_LINETO: |
| 1062 |
ptSrc.setLocation(theData[0], theData[1]); |
| 1063 |
at.transform(ptSrc, ptDst); |
| 1064 |
xInt = (int) ptDst.getX();
|
| 1065 |
yInt = (int) ptDst.getY();
|
| 1066 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
| 1067 |
{
|
| 1068 |
newGp.lineTo(xInt, yInt); |
| 1069 |
antX = xInt; |
| 1070 |
antY = yInt; |
| 1071 |
bFirst = false;
|
| 1072 |
numSegmentsAdded++; |
| 1073 |
} |
| 1074 |
break;
|
| 1075 |
|
| 1076 |
case PathIterator.SEG_QUADTO: |
| 1077 |
at.transform(theData,0,aux,0,2); |
| 1078 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
| 1079 |
numSegmentsAdded++; |
| 1080 |
break;
|
| 1081 |
|
| 1082 |
case PathIterator.SEG_CUBICTO: |
| 1083 |
at.transform(theData,0,aux,0,3); |
| 1084 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
| 1085 |
numSegmentsAdded++; |
| 1086 |
break;
|
| 1087 |
|
| 1088 |
case PathIterator.SEG_CLOSE: |
| 1089 |
if (numSegmentsAdded < 3) { |
| 1090 |
newGp.lineTo(antX, antY); |
| 1091 |
} |
| 1092 |
newGp.closePath(); |
| 1093 |
|
| 1094 |
break;
|
| 1095 |
} //end switch
|
| 1096 |
|
| 1097 |
theIterator.next(); |
| 1098 |
} //end while loop
|
| 1099 |
|
| 1100 |
Geometry shp = null;
|
| 1101 |
switch (gp.getType())
|
| 1102 |
{
|
| 1103 |
case Geometry.TYPES.POINT:
|
| 1104 |
shp = geomManager.createPoint(ptDst.getX(), ptDst.getY(), SUBTYPES.GEOM2D); |
| 1105 |
break;
|
| 1106 |
|
| 1107 |
case Geometry.TYPES.CURVE:
|
| 1108 |
case Geometry.TYPES.ARC:
|
| 1109 |
case Geometry.TYPES.ELLIPTICARC:
|
| 1110 |
try {
|
| 1111 |
shp = geomManager.createCurve(newGp, SUBTYPES.GEOM2D); |
| 1112 |
} catch (CreateGeometryException e1) {
|
| 1113 |
logger.error("Error creating a curve", e1);
|
| 1114 |
} |
| 1115 |
break;
|
| 1116 |
|
| 1117 |
case Geometry.TYPES.SURFACE:
|
| 1118 |
case Geometry.TYPES.CIRCLE:
|
| 1119 |
case Geometry.TYPES.ELLIPSE:
|
| 1120 |
|
| 1121 |
try {
|
| 1122 |
shp = geomManager.createSurface(newGp, SUBTYPES.GEOM2D); |
| 1123 |
} catch (CreateGeometryException e) {
|
| 1124 |
logger.error("Error creating a surface", e);
|
| 1125 |
} |
| 1126 |
break;
|
| 1127 |
} |
| 1128 |
return shp;
|
| 1129 |
} |
| 1130 |
|
| 1131 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) { |
| 1132 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
| 1133 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
| 1134 |
return r;
|
| 1135 |
} |
| 1136 |
|
| 1137 |
public static Envelope convertEnvelopeToJTS(org.gvsig.fmap.geom.primitive.Envelope r) { |
| 1138 |
Envelope e = new Envelope(r.getMinimum(0), r.getMaximum(0), r.getMinimum(1), |
| 1139 |
r.getMaximum(1));
|
| 1140 |
return e;
|
| 1141 |
} |
| 1142 |
|
| 1143 |
/**
|
| 1144 |
* Return a correct polygon (no hole)
|
| 1145 |
* @param coordinates
|
| 1146 |
* @return
|
| 1147 |
*/
|
| 1148 |
public static Geometry getExteriorPolygon(Coordinate[] coordinates) { |
| 1149 |
// isCCW = true => it's a hole
|
| 1150 |
Coordinate[] vs = new Coordinate[coordinates.length]; |
| 1151 |
if (CGAlgorithms.isCCW(coordinates)) {
|
| 1152 |
for (int i = vs.length-1;i >= 0; i--){ |
| 1153 |
vs[i] = coordinates[i]; |
| 1154 |
} |
| 1155 |
} else {
|
| 1156 |
vs = coordinates; |
| 1157 |
} |
| 1158 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 1159 |
|
| 1160 |
try {
|
| 1161 |
Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 1162 |
surface.setGeneralPath(toShape(ring)); |
| 1163 |
return surface;
|
| 1164 |
} catch (NoninvertibleTransformException e) { |
| 1165 |
e.printStackTrace(); |
| 1166 |
} catch (CreateGeometryException e) {
|
| 1167 |
e.printStackTrace(); |
| 1168 |
} |
| 1169 |
return null; |
| 1170 |
} |
| 1171 |
|
| 1172 |
public static boolean isCCW(Point[] points) { |
| 1173 |
int length = points.length;
|
| 1174 |
Coordinate[] vs;
|
| 1175 |
|
| 1176 |
if (points[0].getX() != points[length-1].getX() || points[0].getY() != points[length-1].getY()) { |
| 1177 |
vs=new Coordinate[length+1]; |
| 1178 |
vs[points.length] = new Coordinate(points[0].getX(), points[0].getY()); |
| 1179 |
} else {
|
| 1180 |
vs=new Coordinate[length];
|
| 1181 |
} |
| 1182 |
for (int i = 0; i < length; i++) { |
| 1183 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
| 1184 |
} |
| 1185 |
|
| 1186 |
return CGAlgorithms.isCCW(vs);
|
| 1187 |
} |
| 1188 |
|
| 1189 |
public static boolean isCCW(Surface pol) { |
| 1190 |
com.vividsolutions.jts.geom.Geometry jtsGeom = Converter.geometryToJts(pol); |
| 1191 |
if (jtsGeom.getNumGeometries() == 1) { |
| 1192 |
Coordinate[] coords = jtsGeom.getCoordinates();
|
| 1193 |
return CGAlgorithms.isCCW(coords);
|
| 1194 |
} |
| 1195 |
return false; |
| 1196 |
} |
| 1197 |
|
| 1198 |
/**
|
| 1199 |
* Return a hole (CCW ordered points)
|
| 1200 |
* @param coordinates
|
| 1201 |
* @return
|
| 1202 |
*/
|
| 1203 |
public static Geometry getHole(Coordinate[] coordinates) { |
| 1204 |
Coordinate[] vs = new Coordinate[coordinates.length]; |
| 1205 |
if (CGAlgorithms.isCCW(coordinates)) {
|
| 1206 |
vs=coordinates; |
| 1207 |
|
| 1208 |
}else{
|
| 1209 |
for (int i = vs.length-1; i >= 0; i--) { |
| 1210 |
vs[i] = coordinates[i]; |
| 1211 |
} |
| 1212 |
} |
| 1213 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 1214 |
|
| 1215 |
try {
|
| 1216 |
Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 1217 |
surface.setGeneralPath(toShape(ring)); |
| 1218 |
return surface;
|
| 1219 |
} catch (NoninvertibleTransformException e) { |
| 1220 |
e.printStackTrace(); |
| 1221 |
} catch (CreateGeometryException e) {
|
| 1222 |
e.printStackTrace(); |
| 1223 |
} |
| 1224 |
return null; |
| 1225 |
} |
| 1226 |
|
| 1227 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
| 1228 |
Area area = new Area(gp); |
| 1229 |
area.isSingular(); |
| 1230 |
return area;
|
| 1231 |
} |
| 1232 |
|
| 1233 |
/**
|
| 1234 |
* Use it ONLY for NOT multipart polygons.
|
| 1235 |
* @param pol
|
| 1236 |
* @return
|
| 1237 |
*/
|
| 1238 |
public static Geometry getNotHolePolygon(Surface pol) { |
| 1239 |
// isCCW == true => hole
|
| 1240 |
Coordinate[] coords;
|
| 1241 |
ArrayList arrayCoords = null; |
| 1242 |
int theType;
|
| 1243 |
int numParts = 0; |
| 1244 |
|
| 1245 |
//Use this array to store segment coordinate data
|
| 1246 |
double[] theData = new double[4]; |
| 1247 |
|
| 1248 |
ArrayList shells = new ArrayList(); |
| 1249 |
ArrayList holes = new ArrayList(); |
| 1250 |
Coordinate[] points = null; |
| 1251 |
|
| 1252 |
int subType = pol.getGeometryType().getSubType();
|
| 1253 |
boolean is3D = subType == 1 || subType == 3; |
| 1254 |
|
| 1255 |
//El pathIterator no tiene en cuenta coordenadas 3D
|
| 1256 |
//theIterator = pol.getPathIterator(null, manager.getFlatness());
|
| 1257 |
GeneralPathX gp = pol.getGeneralPath(); |
| 1258 |
|
| 1259 |
//while (!theIterator.isDone()) {
|
| 1260 |
for (int nPoint = 0; nPoint < gp.getNumCoords(); nPoint++) { |
| 1261 |
theData = gp.getCoordinatesAt(nPoint); |
| 1262 |
theType = gp.getTypeAt(nPoint); |
| 1263 |
|
| 1264 |
//Populate a segment of the new
|
| 1265 |
// GeneralPathX object.
|
| 1266 |
//Process the current segment to populate a new
|
| 1267 |
// segment of the new GeneralPathX object.
|
| 1268 |
switch (theType) {
|
| 1269 |
case PathIterator.SEG_MOVETO: |
| 1270 |
|
| 1271 |
// System.out.println("SEG_MOVETO");
|
| 1272 |
if (arrayCoords == null) { |
| 1273 |
arrayCoords = new ArrayList(); |
| 1274 |
} else {
|
| 1275 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1276 |
|
| 1277 |
try {
|
| 1278 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 1279 |
|
| 1280 |
if (CGAlgorithms.isCCW(points)) {
|
| 1281 |
holes.add(ring); |
| 1282 |
} else {
|
| 1283 |
shells.add(ring); |
| 1284 |
} |
| 1285 |
} catch (Exception e) { |
| 1286 |
System.err.println("Caught Topology exception in GMLLinearRingHandler"); |
| 1287 |
|
| 1288 |
return null; |
| 1289 |
} |
| 1290 |
arrayCoords = new ArrayList(); |
| 1291 |
} |
| 1292 |
|
| 1293 |
numParts++; |
| 1294 |
if(is3D)
|
| 1295 |
arrayCoords.add(new Coordinate(theData[0], theData[1], theData[2])); |
| 1296 |
else
|
| 1297 |
arrayCoords.add(new Coordinate(theData[0], theData[1])); |
| 1298 |
|
| 1299 |
break;
|
| 1300 |
|
| 1301 |
case PathIterator.SEG_LINETO: |
| 1302 |
if(is3D)
|
| 1303 |
arrayCoords.add(new Coordinate(theData[0], theData[1], theData[2])); |
| 1304 |
else
|
| 1305 |
arrayCoords.add(new Coordinate(theData[0], theData[1])); |
| 1306 |
break;
|
| 1307 |
case PathIterator.SEG_QUADTO: |
| 1308 |
System.out.println("SEG_QUADTO Not supported here"); |
| 1309 |
break;
|
| 1310 |
case PathIterator.SEG_CUBICTO: |
| 1311 |
System.out.println("SEG_CUBICTO Not supported here"); |
| 1312 |
break;
|
| 1313 |
case PathIterator.SEG_CLOSE: |
| 1314 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 1315 |
if(is3D)
|
| 1316 |
arrayCoords.add(new Coordinate(firstCoord.x, firstCoord.y, firstCoord.z));
|
| 1317 |
else
|
| 1318 |
arrayCoords.add(new Coordinate(firstCoord.x, firstCoord.y));
|
| 1319 |
break;
|
| 1320 |
} //end switch
|
| 1321 |
|
| 1322 |
//theIterator.next();
|
| 1323 |
} //end while loop
|
| 1324 |
|
| 1325 |
arrayCoords.add(arrayCoords.get(0));
|
| 1326 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1327 |
|
| 1328 |
if (numParts == 1) { |
| 1329 |
return getExteriorPolygon(coords);
|
| 1330 |
} |
| 1331 |
return pol;
|
| 1332 |
} |
| 1333 |
|
| 1334 |
/**
|
| 1335 |
* Metodo creado para construir un MultiSurface formado por varias surface
|
| 1336 |
*
|
| 1337 |
* @author Leticia Riestra
|
| 1338 |
* @param geom
|
| 1339 |
* @return
|
| 1340 |
*/
|
| 1341 |
public static com.vividsolutions.jts.geom.Geometry multiSurfaceToJts(MultiSurface geom, int srid) { |
| 1342 |
Polygon[] polygons = new Polygon[geom.getPrimitivesNumber()]; |
| 1343 |
for (int i = 0; i < polygons.length; i++) { |
| 1344 |
Primitive primit = geom.getPrimitiveAt(i); |
| 1345 |
MultiPolygon polygon = null;
|
| 1346 |
if(primit.getType() == Geometry.TYPES.ELLIPSE || primit.getType() == Geometry.TYPES.CIRCLE)
|
| 1347 |
polygon = (MultiPolygon)ellipseToJts((geom.getPrimitiveAt(i)), srid); |
| 1348 |
else
|
| 1349 |
polygon = (MultiPolygon)surfaceToJts((geom.getPrimitiveAt(i)), srid); |
| 1350 |
|
| 1351 |
polygons[i] = (Polygon)polygon.getGeometryN(0);//(Polygon) surfaceToJts((geom.getPrimitiveAt(i)), srid); |
| 1352 |
} |
| 1353 |
return new com.vividsolutions.jts.geom.GeometryFactory().createMultiPolygon(polygons); |
| 1354 |
} |
| 1355 |
|
| 1356 |
private static com.vividsolutions.jts.geom.Geometry surfaceToJts(Geometry shp, int srid) { |
| 1357 |
com.vividsolutions.jts.geom.Geometry geoJTS = null;
|
| 1358 |
int theType;
|
| 1359 |
int numParts = 0; |
| 1360 |
ArrayList arrayCoords = null; |
| 1361 |
int subType = shp.getGeometryType().getSubType();
|
| 1362 |
boolean is3D = subType == 1 || subType == 3; |
| 1363 |
double[] dataLine = new double[3]; |
| 1364 |
double[] dataQuad = new double[3]; |
| 1365 |
double[] dataCubic = new double[3]; |
| 1366 |
|
| 1367 |
|
| 1368 |
ArrayList shells = new ArrayList(); |
| 1369 |
ArrayList holes = new ArrayList(); |
| 1370 |
Coordinate[] points = null; |
| 1371 |
|
| 1372 |
//El pathIterator no tiene en cuenta coordenadas 3D. En este caso no
|
| 1373 |
//necesitamos un iterador que interpole porque las SURFACE vienen con todos
|
| 1374 |
//los puntos calculados, as? que hacemos un recorrido en vez de usar el
|
| 1375 |
//iterador para poder obtener la Z y no perderla.
|
| 1376 |
|
| 1377 |
//theIterator = shp.getPathIterator(null, manager.getFlatness());
|
| 1378 |
GeneralPathX gp = shp.getGeneralPath(); |
| 1379 |
|
| 1380 |
//while (!theIterator.isDone()) {
|
| 1381 |
int nPoint = 0; |
| 1382 |
for (int nType = 0; nType < gp.getNumTypes(); nType++) { |
| 1383 |
theType = gp.getTypeAt(nType); |
| 1384 |
switch (theType) {
|
| 1385 |
case PathIterator.SEG_MOVETO: |
| 1386 |
case PathIterator.SEG_LINETO: //Se lee un punto |
| 1387 |
dataLine = gp.get3DCoordinatesAt(nPoint); |
| 1388 |
nPoint ++; |
| 1389 |
break;
|
| 1390 |
case PathIterator.SEG_QUADTO: //Se leen dos puntos |
| 1391 |
dataLine = gp.get3DCoordinatesAt(nPoint); |
| 1392 |
dataQuad = gp.get3DCoordinatesAt(nPoint + 1);
|
| 1393 |
nPoint += 2;
|
| 1394 |
break;
|
| 1395 |
case PathIterator.SEG_CUBICTO: //Se leen tres puntos |
| 1396 |
dataLine = gp.get3DCoordinatesAt(nPoint); |
| 1397 |
dataQuad = gp.get3DCoordinatesAt(nPoint + 1);
|
| 1398 |
dataCubic = gp.get3DCoordinatesAt(nPoint + 2);
|
| 1399 |
nPoint += 3;
|
| 1400 |
break;
|
| 1401 |
} |
| 1402 |
//theType = theIterator.currentSegment(theData);
|
| 1403 |
|
| 1404 |
switch (theType) {
|
| 1405 |
case PathIterator.SEG_MOVETO: |
| 1406 |
|
| 1407 |
// System.out.println("SEG_MOVETO");
|
| 1408 |
if (arrayCoords == null) { |
| 1409 |
arrayCoords = new ArrayList(); |
| 1410 |
} else {
|
| 1411 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1412 |
|
| 1413 |
try {
|
| 1414 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 1415 |
|
| 1416 |
if (CGAlgorithms.isCCW(points)) {
|
| 1417 |
holes.add(ring); |
| 1418 |
} else {
|
| 1419 |
shells.add(ring); |
| 1420 |
} |
| 1421 |
} catch (Exception e) { |
| 1422 |
boolean same = true; |
| 1423 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 1424 |
if (points[i].x != points[i+1].x || |
| 1425 |
points[i].y != points[i+1].y /*|| |
| 1426 |
points[i].z != points[i+1].z*/
|
| 1427 |
) {
|
| 1428 |
same = false;
|
| 1429 |
} |
| 1430 |
} |
| 1431 |
if (same) {
|
| 1432 |
return geomFactory.createPoint(points[0]); |
| 1433 |
} |
| 1434 |
|
| 1435 |
if (points.length > 1 && points.length <= 3) { |
| 1436 |
// return geomFactory.createLineString(points);
|
| 1437 |
return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
| 1438 |
} |
| 1439 |
|
| 1440 |
System.err.println(
|
| 1441 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 1442 |
|
| 1443 |
return null; |
| 1444 |
} |
| 1445 |
|
| 1446 |
arrayCoords = new ArrayList(); |
| 1447 |
} |
| 1448 |
|
| 1449 |
numParts++; |
| 1450 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 1451 |
break;
|
| 1452 |
|
| 1453 |
case PathIterator.SEG_LINETO: |
| 1454 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 1455 |
break;
|
| 1456 |
|
| 1457 |
case PathIterator.SEG_QUADTO: |
| 1458 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 1459 |
loadArrayCoordinates(arrayCoords, is3D, dataQuad); |
| 1460 |
break;
|
| 1461 |
|
| 1462 |
case PathIterator.SEG_CUBICTO: |
| 1463 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 1464 |
loadArrayCoordinates(arrayCoords, is3D, dataQuad); |
| 1465 |
loadArrayCoordinates(arrayCoords, is3D, dataCubic); |
| 1466 |
break;
|
| 1467 |
|
| 1468 |
case PathIterator.SEG_CLOSE: |
| 1469 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 1470 |
loadArrayCoordinates(arrayCoords, is3D, new double[]{firstCoord.x, firstCoord.y, firstCoord.z}); |
| 1471 |
break;
|
| 1472 |
} //end switch
|
| 1473 |
|
| 1474 |
//theIterator.next();
|
| 1475 |
} //end while loop
|
| 1476 |
|
| 1477 |
|
| 1478 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 1479 |
Coordinate lastCoord = (Coordinate) arrayCoords.get(arrayCoords.size() - 1);
|
| 1480 |
|
| 1481 |
if (!isClosed(firstCoord, lastCoord)) {
|
| 1482 |
arrayCoords.add(firstCoord); |
| 1483 |
} |
| 1484 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1485 |
|
| 1486 |
try {
|
| 1487 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 1488 |
|
| 1489 |
if (CGAlgorithms.isCCW(points)) {
|
| 1490 |
holes.add(ring); |
| 1491 |
} else {
|
| 1492 |
shells.add(ring); |
| 1493 |
} |
| 1494 |
ring.setSRID(srid); |
| 1495 |
} catch (Exception e) { |
| 1496 |
boolean same = true; |
| 1497 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 1498 |
if (points[i].x != points[i+1].x || |
| 1499 |
points[i].y != points[i+1].y /*|| |
| 1500 |
points[i].z != points[i+1].z*/
|
| 1501 |
) {
|
| 1502 |
same = false;
|
| 1503 |
} |
| 1504 |
} |
| 1505 |
if (same) {
|
| 1506 |
geoJTS = geomFactory.createPoint(points[0]);
|
| 1507 |
geoJTS.setSRID(srid); |
| 1508 |
return geoJTS;
|
| 1509 |
} |
| 1510 |
if (points.length > 1 && points.length <= 3) { |
| 1511 |
// return geomFactory.createLineString(points);
|
| 1512 |
geoJTS = geomFactory |
| 1513 |
.createMultiLineString(new LineString[] { geomFactory |
| 1514 |
.createLineString(points) }); |
| 1515 |
geoJTS.setSRID(srid); |
| 1516 |
return geoJTS;
|
| 1517 |
} |
| 1518 |
System.err.println(
|
| 1519 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 1520 |
|
| 1521 |
return null; |
| 1522 |
} |
| 1523 |
|
| 1524 |
/* linRing = new GeometryFactory().createLinearRing(
|
| 1525 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
| 1526 |
|
| 1527 |
// System.out.println("NumParts = " + numParts);
|
| 1528 |
//now we have a list of all shells and all holes
|
| 1529 |
ArrayList holesForShells = new ArrayList(shells.size()); |
| 1530 |
|
| 1531 |
for (int i = 0; i < shells.size(); i++) { |
| 1532 |
holesForShells.add(new ArrayList()); |
| 1533 |
} |
| 1534 |
|
| 1535 |
//find homes
|
| 1536 |
for (int i = 0; i < holes.size(); i++) { |
| 1537 |
LinearRing testRing = (LinearRing) holes.get(i); |
| 1538 |
LinearRing minShell = null;
|
| 1539 |
Envelope minEnv = null;
|
| 1540 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
| 1541 |
Coordinate testPt = testRing.getCoordinateN(0);
|
| 1542 |
LinearRing tryRing = null;
|
| 1543 |
|
| 1544 |
for (int j = 0; j < shells.size(); j++) { |
| 1545 |
tryRing = (LinearRing) shells.get(j); |
| 1546 |
|
| 1547 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
| 1548 |
|
| 1549 |
if (minShell != null) { |
| 1550 |
minEnv = minShell.getEnvelopeInternal(); |
| 1551 |
} |
| 1552 |
|
| 1553 |
boolean isContained = false; |
| 1554 |
Coordinate[] coordList = tryRing.getCoordinates();
|
| 1555 |
|
| 1556 |
if (tryEnv.contains(testEnv) &&
|
| 1557 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
| 1558 |
(pointInList(testPt, coordList)))) {
|
| 1559 |
isContained = true;
|
| 1560 |
} |
| 1561 |
|
| 1562 |
// check if this new containing ring is smaller than the current minimum ring
|
| 1563 |
if (isContained) {
|
| 1564 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
| 1565 |
minShell = tryRing; |
| 1566 |
} |
| 1567 |
} |
| 1568 |
} |
| 1569 |
|
| 1570 |
if (minShell == null) { |
| 1571 |
// System.out.println(
|
| 1572 |
// polygon found with a hole thats not inside a shell);
|
| 1573 |
// azabala: we do the assumption that this hole is really a shell (polygon)
|
| 1574 |
// whose point werent digitized in the right order
|
| 1575 |
Coordinate[] cs = testRing.getCoordinates();
|
| 1576 |
Coordinate[] reversed = new Coordinate[cs.length]; |
| 1577 |
int pointIndex = 0; |
| 1578 |
for(int z = cs.length-1; z >= 0; z--){ |
| 1579 |
reversed[pointIndex] = cs[z]; |
| 1580 |
pointIndex++; |
| 1581 |
} |
| 1582 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
| 1583 |
shells.add(newRing); |
| 1584 |
holesForShells.add(new ArrayList()); |
| 1585 |
} else {
|
| 1586 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
| 1587 |
} |
| 1588 |
} |
| 1589 |
|
| 1590 |
Polygon[] polygons = new Polygon[shells.size()]; |
| 1591 |
|
| 1592 |
for (int i = 0; i < shells.size(); i++) { |
| 1593 |
polygons[i] = geomFactory.createPolygon( |
| 1594 |
(LinearRing) shells.get(i), |
| 1595 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray(new LinearRing[0])); |
| 1596 |
polygons[i].setSRID(srid); |
| 1597 |
} |
| 1598 |
|
| 1599 |
|
| 1600 |
holesForShells = null;
|
| 1601 |
shells = null;
|
| 1602 |
holes = null;
|
| 1603 |
|
| 1604 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
| 1605 |
geoJTS.setSRID(srid); |
| 1606 |
|
| 1607 |
return geoJTS;
|
| 1608 |
} |
| 1609 |
|
| 1610 |
private static com.vividsolutions.jts.geom.Geometry ellipseToJts(Geometry shp, int srid) { |
| 1611 |
com.vividsolutions.jts.geom.Geometry geoJTS = null;
|
| 1612 |
int theType;
|
| 1613 |
int numParts = 0; |
| 1614 |
ArrayList arrayCoords = null; |
| 1615 |
int subType = shp.getGeometryType().getSubType();
|
| 1616 |
boolean is3D = subType == 1 || subType == 3; |
| 1617 |
double[] dataLine = new double[3]; |
| 1618 |
|
| 1619 |
|
| 1620 |
ArrayList shells = new ArrayList(); |
| 1621 |
ArrayList holes = new ArrayList(); |
| 1622 |
Coordinate[] points = null; |
| 1623 |
|
| 1624 |
//El pathIterator no tiene en cuenta coordenadas 3D, pero para la creaci?n de elipses y circulos
|
| 1625 |
//es necesario el iterador que interpole puntos. El resultado es que en la creaci?n de geometr?as de este
|
| 1626 |
//tipo no se puede asignar la Z porque se perder?a, pero gvSIG tampoco dispone de esta funci?n, as? que
|
| 1627 |
//no se nota. Una vez creadas las geometr?a de tipo Elipse y circulo cuando las editamos ya tendr?n todos
|
| 1628 |
//los puntos calculados y se toman como l?neas por lo que ya se podr?a asignar la Z.
|
| 1629 |
|
| 1630 |
PathIterator theIterator = shp.getPathIterator(null, manager.getFlatness()); |
| 1631 |
while (!theIterator.isDone()) {
|
| 1632 |
theType = theIterator.currentSegment(dataLine); |
| 1633 |
|
| 1634 |
switch (theType) {
|
| 1635 |
case PathIterator.SEG_MOVETO: |
| 1636 |
if (arrayCoords == null) { |
| 1637 |
arrayCoords = new ArrayList(); |
| 1638 |
} else {
|
| 1639 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1640 |
|
| 1641 |
try {
|
| 1642 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 1643 |
|
| 1644 |
if (CGAlgorithms.isCCW(points)) {
|
| 1645 |
holes.add(ring); |
| 1646 |
} else {
|
| 1647 |
shells.add(ring); |
| 1648 |
} |
| 1649 |
} catch (Exception e) { |
| 1650 |
boolean same = true; |
| 1651 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 1652 |
if (points[i].x != points[i+1].x || |
| 1653 |
points[i].y != points[i+1].y /*|| |
| 1654 |
points[i].z != points[i+1].z*/
|
| 1655 |
) {
|
| 1656 |
same = false;
|
| 1657 |
} |
| 1658 |
} |
| 1659 |
if (same) {
|
| 1660 |
return geomFactory.createPoint(points[0]); |
| 1661 |
} |
| 1662 |
|
| 1663 |
if (points.length > 1 && points.length <= 3) { |
| 1664 |
// return geomFactory.createLineString(points);
|
| 1665 |
return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
| 1666 |
} |
| 1667 |
|
| 1668 |
System.err.println(
|
| 1669 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 1670 |
|
| 1671 |
return null; |
| 1672 |
} |
| 1673 |
|
| 1674 |
arrayCoords = new ArrayList(); |
| 1675 |
} |
| 1676 |
|
| 1677 |
numParts++; |
| 1678 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 1679 |
break;
|
| 1680 |
|
| 1681 |
case PathIterator.SEG_LINETO: |
| 1682 |
loadArrayCoordinates(arrayCoords, is3D, dataLine); |
| 1683 |
break;
|
| 1684 |
|
| 1685 |
case PathIterator.SEG_QUADTO: |
| 1686 |
break;
|
| 1687 |
|
| 1688 |
case PathIterator.SEG_CUBICTO: |
| 1689 |
break;
|
| 1690 |
|
| 1691 |
case PathIterator.SEG_CLOSE: |
| 1692 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 1693 |
loadArrayCoordinates(arrayCoords, is3D, new double[]{firstCoord.x, firstCoord.y, firstCoord.z}); |
| 1694 |
break;
|
| 1695 |
} //end switch
|
| 1696 |
|
| 1697 |
theIterator.next(); |
| 1698 |
} //end while loop
|
| 1699 |
|
| 1700 |
|
| 1701 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 1702 |
Coordinate lastCoord = (Coordinate) arrayCoords.get(arrayCoords.size() - 1);
|
| 1703 |
|
| 1704 |
if (!isClosed(firstCoord, lastCoord)) {
|
| 1705 |
arrayCoords.add(firstCoord); |
| 1706 |
} |
| 1707 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1708 |
|
| 1709 |
try {
|
| 1710 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 1711 |
|
| 1712 |
if (CGAlgorithms.isCCW(points)) {
|
| 1713 |
holes.add(ring); |
| 1714 |
} else {
|
| 1715 |
shells.add(ring); |
| 1716 |
} |
| 1717 |
ring.setSRID(srid); |
| 1718 |
} catch (Exception e) { |
| 1719 |
boolean same = true; |
| 1720 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 1721 |
if (points[i].x != points[i+1].x || |
| 1722 |
points[i].y != points[i+1].y /*|| |
| 1723 |
points[i].z != points[i+1].z*/
|
| 1724 |
) {
|
| 1725 |
same = false;
|
| 1726 |
} |
| 1727 |
} |
| 1728 |
if (same) {
|
| 1729 |
geoJTS = geomFactory.createPoint(points[0]);
|
| 1730 |
geoJTS.setSRID(srid); |
| 1731 |
return geoJTS;
|
| 1732 |
} |
| 1733 |
if (points.length > 1 && points.length <= 3) { |
| 1734 |
// return geomFactory.createLineString(points);
|
| 1735 |
geoJTS = geomFactory |
| 1736 |
.createMultiLineString(new LineString[] { geomFactory |
| 1737 |
.createLineString(points) }); |
| 1738 |
geoJTS.setSRID(srid); |
| 1739 |
return geoJTS;
|
| 1740 |
} |
| 1741 |
System.err.println(
|
| 1742 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 1743 |
|
| 1744 |
return null; |
| 1745 |
} |
| 1746 |
|
| 1747 |
/* linRing = new GeometryFactory().createLinearRing(
|
| 1748 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
| 1749 |
|
| 1750 |
// System.out.println("NumParts = " + numParts);
|
| 1751 |
//now we have a list of all shells and all holes
|
| 1752 |
ArrayList holesForShells = new ArrayList(shells.size()); |
| 1753 |
|
| 1754 |
for (int i = 0; i < shells.size(); i++) { |
| 1755 |
holesForShells.add(new ArrayList()); |
| 1756 |
} |
| 1757 |
|
| 1758 |
//find homes
|
| 1759 |
for (int i = 0; i < holes.size(); i++) { |
| 1760 |
LinearRing testRing = (LinearRing) holes.get(i); |
| 1761 |
LinearRing minShell = null;
|
| 1762 |
Envelope minEnv = null;
|
| 1763 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
| 1764 |
Coordinate testPt = testRing.getCoordinateN(0);
|
| 1765 |
LinearRing tryRing = null;
|
| 1766 |
|
| 1767 |
for (int j = 0; j < shells.size(); j++) { |
| 1768 |
tryRing = (LinearRing) shells.get(j); |
| 1769 |
|
| 1770 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
| 1771 |
|
| 1772 |
if (minShell != null) { |
| 1773 |
minEnv = minShell.getEnvelopeInternal(); |
| 1774 |
} |
| 1775 |
|
| 1776 |
boolean isContained = false; |
| 1777 |
Coordinate[] coordList = tryRing.getCoordinates();
|
| 1778 |
|
| 1779 |
if (tryEnv.contains(testEnv) &&
|
| 1780 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
| 1781 |
(pointInList(testPt, coordList)))) {
|
| 1782 |
isContained = true;
|
| 1783 |
} |
| 1784 |
|
| 1785 |
// check if this new containing ring is smaller than the current minimum ring
|
| 1786 |
if (isContained) {
|
| 1787 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
| 1788 |
minShell = tryRing; |
| 1789 |
} |
| 1790 |
} |
| 1791 |
} |
| 1792 |
|
| 1793 |
if (minShell == null) { |
| 1794 |
// System.out.println(
|
| 1795 |
// polygon found with a hole thats not inside a shell);
|
| 1796 |
// azabala: we do the assumption that this hole is really a shell (polygon)
|
| 1797 |
// whose point werent digitized in the right order
|
| 1798 |
Coordinate[] cs = testRing.getCoordinates();
|
| 1799 |
Coordinate[] reversed = new Coordinate[cs.length]; |
| 1800 |
int pointIndex = 0; |
| 1801 |
for(int z = cs.length-1; z >= 0; z--){ |
| 1802 |
reversed[pointIndex] = cs[z]; |
| 1803 |
pointIndex++; |
| 1804 |
} |
| 1805 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
| 1806 |
shells.add(newRing); |
| 1807 |
holesForShells.add(new ArrayList()); |
| 1808 |
} else {
|
| 1809 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
| 1810 |
} |
| 1811 |
} |
| 1812 |
|
| 1813 |
Polygon[] polygons = new Polygon[shells.size()]; |
| 1814 |
|
| 1815 |
for (int i = 0; i < shells.size(); i++) { |
| 1816 |
polygons[i] = geomFactory.createPolygon( |
| 1817 |
(LinearRing) shells.get(i), |
| 1818 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray(new LinearRing[0])); |
| 1819 |
polygons[i].setSRID(srid); |
| 1820 |
} |
| 1821 |
|
| 1822 |
|
| 1823 |
holesForShells = null;
|
| 1824 |
shells = null;
|
| 1825 |
holes = null;
|
| 1826 |
|
| 1827 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
| 1828 |
geoJTS.setSRID(srid); |
| 1829 |
|
| 1830 |
return geoJTS;
|
| 1831 |
} |
| 1832 |
|
| 1833 |
/**
|
| 1834 |
* Loads one element in the <code>List</code> of coordinates with the
|
| 1835 |
* data contained in the array of doubles
|
| 1836 |
* @param arrayCoords
|
| 1837 |
* @param is3D
|
| 1838 |
* @param data
|
| 1839 |
*/
|
| 1840 |
private static void loadArrayCoordinates(List arrayCoords, boolean is3D, double[] data) { |
| 1841 |
if(is3D)
|
| 1842 |
arrayCoords.add(new Coordinate(data[0], data[1], data[2])); |
| 1843 |
else
|
| 1844 |
arrayCoords.add(new Coordinate(data[0], data[1])); |
| 1845 |
} |
| 1846 |
|
| 1847 |
} |