svn-gvsig-desktop / tags / v2_0_0_Build_2020 / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / util / Converter.java @ 33789
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| 1 | 21308 | jiyarza | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 2 | 20761 | jmvivo | *
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| 3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version 2
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| 8 | * of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 18 | *
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| 19 | * For more information, contact:
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| 20 | *
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| 21 | * Generalitat Valenciana
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| 22 | * Conselleria d'Infraestructures i Transport
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| 23 | 21308 | jiyarza | * Av. Blasco Ib??ez, 50
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| 24 | 20761 | jmvivo | * 46010 VALENCIA
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| 25 | * SPAIN
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| 26 | *
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| 27 | * +34 963862235
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| 28 | * gvsig@gva.es
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| 29 | * www.gvsig.gva.es
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| 30 | *
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| 31 | * or
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| 32 | *
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| 33 | * IVER T.I. S.A
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| 34 | * Salamanca 50
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| 35 | * 46005 Valencia
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| 36 | * Spain
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| 37 | *
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| 38 | * +34 963163400
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| 39 | * dac@iver.es
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| 40 | */
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| 41 | package org.gvsig.fmap.geom.util; |
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| 42 | |||
| 43 | import java.awt.Shape; |
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| 44 | import java.awt.geom.AffineTransform; |
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| 45 | import java.awt.geom.Area; |
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| 46 | import java.awt.geom.NoninvertibleTransformException; |
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| 47 | import java.awt.geom.PathIterator; |
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| 48 | import java.awt.geom.Rectangle2D; |
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| 49 | import java.lang.reflect.Array; |
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| 50 | import java.util.ArrayList; |
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| 51 | |||
| 52 | import org.gvsig.fmap.geom.Geometry; |
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| 53 | 26328 | jpiera | import org.gvsig.fmap.geom.GeometryLocator; |
| 54 | 26867 | jpiera | import org.gvsig.fmap.geom.GeometryManager; |
| 55 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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| 56 | import org.gvsig.fmap.geom.Geometry.TYPES; |
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| 57 | 27032 | jpiera | import org.gvsig.fmap.geom.aggregate.MultiCurve; |
| 58 | import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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| 59 | import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
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| 60 | 27030 | jpiera | import org.gvsig.fmap.geom.aggregate.MultiSurface; |
| 61 | 27397 | jpiera | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
| 62 | 20761 | jmvivo | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
| 63 | 26867 | jpiera | import org.gvsig.fmap.geom.primitive.Surface; |
| 64 | 27397 | jpiera | import org.slf4j.Logger; |
| 65 | import org.slf4j.LoggerFactory; |
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| 66 | 20761 | jmvivo | |
| 67 | import com.vividsolutions.jts.algorithm.CGAlgorithms; |
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| 68 | import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
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| 69 | import com.vividsolutions.jts.geom.Coordinate; |
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| 70 | import com.vividsolutions.jts.geom.CoordinateArrays; |
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| 71 | import com.vividsolutions.jts.geom.Envelope; |
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| 72 | import com.vividsolutions.jts.geom.GeometryCollection; |
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| 73 | import com.vividsolutions.jts.geom.LineString; |
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| 74 | import com.vividsolutions.jts.geom.LinearRing; |
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| 75 | import com.vividsolutions.jts.geom.MultiLineString; |
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| 76 | import com.vividsolutions.jts.geom.MultiPolygon; |
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| 77 | import com.vividsolutions.jts.geom.Point; |
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| 78 | import com.vividsolutions.jts.geom.Polygon; |
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| 79 | |||
| 80 | /**
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| 81 | 33111 | cordinyana | * Clase con varios m?todos est?ticos utilizados para pasar de java2d a jts
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| 82 | * y viceversa.
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| 83 | *
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| 84 | 20761 | jmvivo | * @author fjp
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| 85 | 33111 | cordinyana | * @deprecated to be removed or moved from API to implementation in gvSIG 2.1.0
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| 86 | 20761 | jmvivo | */
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| 87 | 20860 | jiyarza | public class Converter { |
| 88 | 27397 | jpiera | private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 89 | private static final Logger logger = LoggerFactory.getLogger(Converter.class); |
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| 90 | 28396 | jmvivo | |
| 91 | 21308 | jiyarza | //private static Logger logger = Logger.getLogger(Converter.class);
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| 92 | 22287 | vcaballero | |
| 93 | 20761 | jmvivo | /**
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| 94 | * ?QU? PODEMOS HACER CON LOS MULTIPOINT??? => DEBER?AMOS TRABAJAR CON UN
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| 95 | * ARRAY DE PUNTOS EN FShape.....Pensarlo bien.
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| 96 | */
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| 97 | 20869 | jiyarza | public final static com.vividsolutions.jts.geom.GeometryFactory geomFactory = new com.vividsolutions.jts.geom.GeometryFactory(); |
| 98 | 20761 | jmvivo | public static CGAlgorithms cga = new RobustCGAlgorithms(); |
| 99 | // private final static AffineTransform at = new AffineTransform();
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| 100 | //private static double POINT_MARKER_SIZE = 3.0;
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| 101 | |||
| 102 | 26867 | jpiera | private static GeometryManager manager = GeometryLocator.getGeometryManager(); |
| 103 | 20761 | jmvivo | |
| 104 | //returns true if testPoint is a point in the pointList list.
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| 105 | static boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
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| 106 | int t;
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| 107 | int numpoints;
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| 108 | Coordinate p; |
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| 109 | |||
| 110 | numpoints = Array.getLength(pointList);
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| 111 | |||
| 112 | for (t = 0; t < numpoints; t++) { |
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| 113 | p = pointList[t]; |
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| 114 | |||
| 115 | if ((testPoint.x == p.x) && (testPoint.y == p.y) &&
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| 116 | ((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan
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| 117 | ) {
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| 118 | return true; |
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| 119 | } |
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| 120 | } |
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| 121 | |||
| 122 | return false; |
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| 123 | } |
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| 124 | |||
| 125 | /**
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| 126 | * Receives a JTS Geometry and returns a fmap IGeometry
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| 127 | * @param jtsGeometry jts Geometry
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| 128 | * @return IGeometry of FMap
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| 129 | * @author azabala
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| 130 | 29097 | jpiera | * @throws CreateGeometryException
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| 131 | 20761 | jmvivo | */
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| 132 | 29097 | jpiera | public static Geometry jtsToGeometry(com.vividsolutions.jts.geom.Geometry geo) throws CreateGeometryException{ |
| 133 | 22783 | vcaballero | Geometry shpNew = null;
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| 134 | |||
| 135 | try {
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| 136 | if (geo instanceof Point) { |
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| 137 | 29097 | jpiera | shpNew = geomManager.createPoint(((Point) geo).getX(),((Point) geo).getY(), SUBTYPES.GEOM2D); |
| 138 | 22783 | vcaballero | } |
| 139 | |||
| 140 | if (geo.isEmpty()) {
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| 141 | shpNew = null;
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| 142 | } |
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| 143 | |||
| 144 | 27397 | jpiera | try{
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| 145 | 22783 | vcaballero | if (geo instanceof Polygon) { |
| 146 | 27397 | jpiera | shpNew = geomManager.createSurface(toShape((Polygon) geo), SUBTYPES.GEOM2D);
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| 147 | 22783 | vcaballero | } |
| 148 | |||
| 149 | if (geo instanceof MultiPolygon) { |
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| 150 | 27397 | jpiera | shpNew = geomManager.createSurface(toShape((MultiPolygon) geo), SUBTYPES.GEOM2D); |
| 151 | 22783 | vcaballero | } |
| 152 | |||
| 153 | if (geo instanceof LineString) { |
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| 154 | 27397 | jpiera | shpNew = geomManager.createCurve(toShape((LineString) geo), SUBTYPES.GEOM2D); |
| 155 | 22783 | vcaballero | } |
| 156 | |||
| 157 | if (geo instanceof MultiLineString) { |
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| 158 | 27397 | jpiera | shpNew = geomManager.createCurve(toShape((MultiLineString) geo), SUBTYPES.GEOM2D); |
| 159 | 22783 | vcaballero | } |
| 160 | 27397 | jpiera | }catch(CreateGeometryException e){
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| 161 | logger.error("Error creating a geometry", e);
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| 162 | } |
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| 163 | 22783 | vcaballero | |
| 164 | /* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN GeometryCollection
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| 165 | * No sabremos si queremos una l?nea o un pol?gono.....
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| 166 | * if (geometry instanceof GeometryCollection) {
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| 167 | return toShape((GeometryCollection) geometry);
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| 168 | } */
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| 169 | return shpNew;
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| 170 | } catch (NoninvertibleTransformException e) { |
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| 171 | // TODO Auto-generated catch block
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| 172 | e.printStackTrace(); |
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| 173 | } |
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| 174 | |||
| 175 | return null; |
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| 176 | |||
| 177 | //
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| 178 | // FShape shape = Converter.jts_to_java2d(jtsGeometry);
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| 179 | // return factory.createGeometry(shape);
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| 180 | 20761 | jmvivo | } |
| 181 | |||
| 182 | 20953 | jiyarza | /**
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| 183 | * Convierte un MultiPoint2D a un MultiPoint de JTS
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| 184 | * @param geom
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| 185 | * @return
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| 186 | 22287 | vcaballero | */
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| 187 | 27032 | jpiera | public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPoint geom) {
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| 188 | 20953 | jiyarza | Coordinate[] theGeoms = new Coordinate[geom.getPrimitivesNumber()]; |
| 189 | for (int i = 0; i < theGeoms.length; i++) { |
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| 190 | 28396 | jmvivo | java.awt.geom.Point2D p = geom.getPrimitiveAt(i) |
| 191 | 20953 | jiyarza | .getHandlers(Geometry.SELECTHANDLER)[0].getPoint();
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| 192 | Coordinate c = new Coordinate(p.getX(), p.getY());
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| 193 | theGeoms[i] = c; |
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| 194 | } |
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| 195 | com.vividsolutions.jts.geom.MultiPoint geomCol = new com.vividsolutions.jts.geom.GeometryFactory()
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| 196 | .createMultiPoint(theGeoms); |
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| 197 | return geomCol;
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| 198 | } |
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| 199 | 22287 | vcaballero | |
| 200 | 20953 | jiyarza | /**
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| 201 | * Convierte una MultiCurve2D en una MultiLineString de JTS
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| 202 | * @param geom
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| 203 | * @return
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| 204 | */
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| 205 | 27032 | jpiera | public static com.vividsolutions.jts.geom.Geometry geometryToJts(MultiCurve geom) { |
| 206 | 20953 | jiyarza | LineString[] lines = new LineString[geom.getPrimitivesNumber()]; |
| 207 | for (int i = 0; i < lines.length; i++){ |
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| 208 | 28396 | jmvivo | lines[i] = (LineString) geometryToJts((geom.getPrimitiveAt(i))); |
| 209 | 20953 | jiyarza | } |
| 210 | 22287 | vcaballero | return new com.vividsolutions.jts.geom.GeometryFactory().createMultiLineString(lines); |
| 211 | } |
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| 212 | |||
| 213 | 20953 | jiyarza | /**
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| 214 | * Convierte una MultiSurface2D en un MultiPolygon de JTS
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| 215 | * @return
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| 216 | */
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| 217 | 27030 | jpiera | public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiSurface geom) {
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| 218 | 20953 | jiyarza | Polygon[] polygons = new Polygon[geom.getPrimitivesNumber()]; |
| 219 | for (int i = 0; i < polygons.length; i++){ |
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| 220 | 28396 | jmvivo | polygons[i] = (Polygon) geometryToJts((geom.getPrimitiveAt(i)));
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| 221 | 20953 | jiyarza | } |
| 222 | 22287 | vcaballero | return new com.vividsolutions.jts.geom.GeometryFactory().createMultiPolygon(polygons); |
| 223 | } |
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| 224 | 20953 | jiyarza | |
| 225 | /**
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| 226 | * Convierte una BaseMultiPrimitive en una GeometryCollection de JTS
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| 227 | * @return
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| 228 | */
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| 229 | 27032 | jpiera | public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPrimitive geom) {
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| 230 | 20953 | jiyarza | com.vividsolutions.jts.geom.Geometry[] geometriesAux = new LineString[geom.getPrimitivesNumber()]; |
| 231 | for (int i = 0; i < geometriesAux.length; i++) { |
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| 232 | 28396 | jmvivo | geometriesAux[i] = geometryToJts((geom.getPrimitiveAt(i))); |
| 233 | 20953 | jiyarza | } |
| 234 | return new com.vividsolutions.jts.geom.GeometryFactory().createGeometryCollection(geometriesAux); |
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| 235 | } |
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| 236 | 22287 | vcaballero | |
| 237 | 28396 | jmvivo | public static com.vividsolutions.jts.geom.Geometry geometryToJtsWithSRID( |
| 238 | Geometry geom, int srid) {
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| 239 | // logger.debug(geom.getClass());
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| 240 | // logger.debug(new Integer(geom.getShapeType()));
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| 241 | return geometryToJts(geom, geom.getType(), srid);
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| 242 | } |
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| 243 | 22287 | vcaballero | |
| 244 | 28396 | jmvivo | |
| 245 | 20996 | jiyarza | public static com.vividsolutions.jts.geom.Geometry geometryToJts(Geometry geom) { |
| 246 | 21308 | jiyarza | //logger.debug(geom.getClass());
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| 247 | //logger.debug(new Integer(geom.getShapeType()));
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| 248 | 28396 | jmvivo | return geometryToJts(geom, geom.getType(), -1); |
| 249 | 20918 | jiyarza | } |
| 250 | 22287 | vcaballero | |
| 251 | 22783 | vcaballero | // public static com.vividsolutions.jts.geom.Geometry java2d_to_jts(FShape shp) {
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| 252 | // return java2d_to_jts(shp, shp.getShapeType());
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| 253 | // }
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| 254 | 28627 | jmvivo | |
| 255 | private static boolean isClosed(Coordinate firstCoordinate, Coordinate lastCoordinate){ |
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| 256 | double diff = Math.abs(lastCoordinate.x - firstCoordinate.x); |
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| 257 | if (diff > 0.000001){ |
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| 258 | return false; |
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| 259 | } |
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| 260 | diff = Math.abs(lastCoordinate.y - firstCoordinate.y);
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| 261 | if (diff > 0.000001) { |
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| 262 | return false; |
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| 263 | } |
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| 264 | return true; |
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| 265 | } |
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| 266 | |||
| 267 | 20761 | jmvivo | /**
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| 268 | * Convierte un FShape a una Geometry del JTS. Para ello, utilizamos un
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| 269 | * "flattened PathIterator". El flattened indica que las curvas las pasa a
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| 270 | * segmentos de l?nea recta AUTOMATICAMENTE!!!.
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| 271 | *
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| 272 | * @param shp FShape que se quiere convertir.
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| 273 | *
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| 274 | * @return Geometry de JTS.
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| 275 | */
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| 276 | 28396 | jmvivo | private static com.vividsolutions.jts.geom.Geometry geometryToJts( |
| 277 | Geometry shp, int shapeType, int srid) { |
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| 278 | 20761 | jmvivo | |
| 279 | |||
| 280 | com.vividsolutions.jts.geom.Geometry geoJTS = null;
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| 281 | Coordinate coord; |
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| 282 | //Coordinate[] coords;
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| 283 | ArrayList arrayCoords = null; |
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| 284 | ArrayList arrayLines;
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| 285 | LineString lin; |
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| 286 | //LinearRing linRing;
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| 287 | //LinearRing linRingExt = null;
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| 288 | int theType;
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| 289 | int numParts = 0; |
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| 290 | |||
| 291 | // Use this array to store segment coordinate data
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| 292 | double[] theData = new double[6]; |
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| 293 | PathIterator theIterator;
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| 294 | |||
| 295 | 21308 | jiyarza | //logger.debug(shp.toString());
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| 296 | 22287 | vcaballero | |
| 297 | 28396 | jmvivo | |
| 298 | 20918 | jiyarza | switch (shapeType) {
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| 299 | 28396 | jmvivo | case Geometry.TYPES.POINT:
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| 300 | 27029 | jpiera | org.gvsig.fmap.geom.primitive.impl.Point2D p = (org.gvsig.fmap.geom.primitive.impl.Point2D) shp; |
| 301 | 22783 | vcaballero | coord = new Coordinate(p.getX(), p.getY());
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| 302 | geoJTS = geomFactory.createPoint(coord); |
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| 303 | 28396 | jmvivo | geoJTS.setSRID(srid); |
| 304 | 20761 | jmvivo | |
| 305 | 22783 | vcaballero | break;
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| 306 | 20761 | jmvivo | |
| 307 | 33681 | fdiaz | case Geometry.TYPES.MULTIPOINT:
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| 308 | org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D mp = (org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D) shp; |
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| 309 | int numPoints = mp.getPrimitivesNumber();
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| 310 | Coordinate[] coordinates = new Coordinate[numPoints]; |
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| 311 | for(int i=0; i<numPoints; i++){ |
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| 312 | p = mp.getPoint(i); |
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| 313 | coordinates[i]=new Coordinate(p.getX(), p.getY());
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| 314 | } |
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| 315 | geoJTS = geomFactory.createMultiPoint(coordinates); |
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| 316 | geoJTS.setSRID(srid); |
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| 317 | |||
| 318 | break;
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| 319 | |||
| 320 | 22783 | vcaballero | case Geometry.TYPES.CURVE:
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| 321 | 28396 | jmvivo | case Geometry.TYPES.ARC:
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| 322 | 22783 | vcaballero | arrayLines = new ArrayList(); |
| 323 | 30323 | jpiera | theIterator = shp.getPathIterator(null, manager.getFlatness());
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| 324 | 20761 | jmvivo | |
| 325 | 22783 | vcaballero | while (!theIterator.isDone()) {
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| 326 | //while not done
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| 327 | theType = theIterator.currentSegment(theData); |
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| 328 | 20761 | jmvivo | |
| 329 | 22783 | vcaballero | //Populate a segment of the new
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| 330 | // GeneralPathX object.
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| 331 | //Process the current segment to populate a new
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| 332 | // segment of the new GeneralPathX object.
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| 333 | switch (theType) {
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| 334 | case PathIterator.SEG_MOVETO: |
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| 335 | 20761 | jmvivo | |
| 336 | 22783 | vcaballero | // System.out.println("SEG_MOVETO");
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| 337 | if (arrayCoords == null) { |
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| 338 | arrayCoords = new ArrayList(); |
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| 339 | } else {
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| 340 | lin = geomFactory.createLineString(CoordinateArrays.toCoordinateArray( |
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| 341 | arrayCoords)); |
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| 342 | 28396 | jmvivo | lin.setSRID(srid); |
| 343 | 22783 | vcaballero | arrayLines.add(lin); |
| 344 | arrayCoords = new ArrayList(); |
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| 345 | } |
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| 346 | 20761 | jmvivo | |
| 347 | 22783 | vcaballero | numParts++; |
| 348 | 28396 | jmvivo | coord = new Coordinate(theData[0], theData[1]); |
| 349 | 20761 | jmvivo | |
| 350 | 28396 | jmvivo | arrayCoords.add(coord); |
| 351 | |||
| 352 | 22783 | vcaballero | break;
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| 353 | 20761 | jmvivo | |
| 354 | 22783 | vcaballero | case PathIterator.SEG_LINETO: |
| 355 | 20761 | jmvivo | |
| 356 | 22783 | vcaballero | // System.out.println("SEG_LINETO");
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| 357 | arrayCoords.add(new Coordinate(theData[0], |
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| 358 | theData[1]));
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| 359 | 20761 | jmvivo | |
| 360 | 22783 | vcaballero | break;
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| 361 | 20761 | jmvivo | |
| 362 | 22783 | vcaballero | case PathIterator.SEG_QUADTO: |
| 363 | System.out.println("Not supported here"); |
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| 364 | 20761 | jmvivo | |
| 365 | 22783 | vcaballero | break;
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| 366 | 20761 | jmvivo | |
| 367 | 22783 | vcaballero | case PathIterator.SEG_CUBICTO: |
| 368 | System.out.println("Not supported here"); |
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| 369 | 20761 | jmvivo | |
| 370 | 22783 | vcaballero | break;
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| 371 | 20761 | jmvivo | |
| 372 | 22783 | vcaballero | case PathIterator.SEG_CLOSE: |
| 373 | // A?adimos el primer punto para cerrar.
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| 374 | Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
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| 375 | 28627 | jmvivo | // Solo anyadimos cuando no esta ya cerrado
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| 376 | 22783 | vcaballero | arrayCoords.add(new Coordinate(firstCoord.x,
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| 377 | firstCoord.y)); |
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| 378 | 20761 | jmvivo | |
| 379 | 22783 | vcaballero | break;
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| 380 | } //end switch
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| 381 | 20761 | jmvivo | |
| 382 | 22783 | vcaballero | theIterator.next(); |
| 383 | } //end while loop
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| 384 | 20761 | jmvivo | |
| 385 | 28396 | jmvivo | if (arrayCoords.size()<2) { |
| 386 | 22783 | vcaballero | break;
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| 387 | 28396 | jmvivo | } |
| 388 | 22783 | vcaballero | lin = new com.vividsolutions.jts.geom.GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
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| 389 | arrayCoords)); |
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| 390 | 20761 | jmvivo | |
| 391 | 28396 | jmvivo | lin.setSRID(srid); |
| 392 | 22783 | vcaballero | // CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
| 393 | // LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
||
| 394 | // O CON GEOTOOLS
|
||
| 395 | // if (numParts > 1) // Generamos una MultiLineString
|
||
| 396 | // {
|
||
| 397 | arrayLines.add(lin); |
||
| 398 | geoJTS = geomFactory.createMultiLineString(com.vividsolutions.jts.geom.GeometryFactory.toLineStringArray( |
||
| 399 | arrayLines)); |
||
| 400 | 28396 | jmvivo | geoJTS.setSRID(srid); |
| 401 | 22783 | vcaballero | /* } else {
|
| 402 | geoJTS = lin;
|
||
| 403 | } */
|
||
| 404 | 20761 | jmvivo | |
| 405 | 22783 | vcaballero | break;
|
| 406 | 20761 | jmvivo | |
| 407 | 22783 | vcaballero | case Geometry.TYPES.SURFACE:
|
| 408 | case Geometry.TYPES.CIRCLE:
|
||
| 409 | 28396 | jmvivo | case Geometry.TYPES.ELLIPSE:
|
| 410 | 22783 | vcaballero | arrayLines = new ArrayList(); |
| 411 | 20761 | jmvivo | |
| 412 | 22783 | vcaballero | ArrayList shells = new ArrayList(); |
| 413 | ArrayList holes = new ArrayList(); |
||
| 414 | Coordinate[] points = null; |
||
| 415 | 20761 | jmvivo | |
| 416 | 30323 | jpiera | theIterator = shp.getPathIterator(null, manager.getFlatness());
|
| 417 | 20761 | jmvivo | |
| 418 | 22783 | vcaballero | while (!theIterator.isDone()) {
|
| 419 | //while not done
|
||
| 420 | theType = theIterator.currentSegment(theData); |
||
| 421 | 20761 | jmvivo | |
| 422 | 22783 | vcaballero | //Populate a segment of the new
|
| 423 | // GeneralPathX object.
|
||
| 424 | //Process the current segment to populate a new
|
||
| 425 | // segment of the new GeneralPathX object.
|
||
| 426 | switch (theType) {
|
||
| 427 | case PathIterator.SEG_MOVETO: |
||
| 428 | 20761 | jmvivo | |
| 429 | 22783 | vcaballero | // System.out.println("SEG_MOVETO");
|
| 430 | if (arrayCoords == null) { |
||
| 431 | arrayCoords = new ArrayList(); |
||
| 432 | } else {
|
||
| 433 | points = CoordinateArrays.toCoordinateArray(arrayCoords); |
||
| 434 | 20761 | jmvivo | |
| 435 | 22783 | vcaballero | try {
|
| 436 | LinearRing ring = geomFactory.createLinearRing(points); |
||
| 437 | 20761 | jmvivo | |
| 438 | 22783 | vcaballero | if (CGAlgorithms.isCCW(points)) {
|
| 439 | holes.add(ring); |
||
| 440 | } else {
|
||
| 441 | shells.add(ring); |
||
| 442 | } |
||
| 443 | } catch (Exception e) { |
||
| 444 | /* (jaume) caso cuando todos los puntos son iguales
|
||
| 445 | * devuelvo el propio punto
|
||
| 446 | */
|
||
| 447 | boolean same = true; |
||
| 448 | for (int i = 0; i < points.length-1 && same; i++) { |
||
| 449 | if (points[i].x != points[i+1].x || |
||
| 450 | points[i].y != points[i+1].y /*|| |
||
| 451 | points[i].z != points[i+1].z*/
|
||
| 452 | 28396 | jmvivo | ) {
|
| 453 | same = false;
|
||
| 454 | } |
||
| 455 | 22783 | vcaballero | } |
| 456 | 28396 | jmvivo | if (same) {
|
| 457 | 22783 | vcaballero | return geomFactory.createPoint(points[0]); |
| 458 | 28396 | jmvivo | } |
| 459 | 22783 | vcaballero | /*
|
| 460 | * caso cuando es una l?nea de 3 puntos, no creo un LinearRing, sino
|
||
| 461 | * una linea
|
||
| 462 | */
|
||
| 463 | 28396 | jmvivo | if (points.length>1 && points.length<=3) { |
| 464 | 22783 | vcaballero | // return geomFactory.createLineString(points);
|
| 465 | return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
||
| 466 | 28396 | jmvivo | } |
| 467 | 20761 | jmvivo | |
| 468 | 22783 | vcaballero | System.err.println(
|
| 469 | "Caught Topology exception in GMLLinearRingHandler");
|
||
| 470 | 20761 | jmvivo | |
| 471 | 22783 | vcaballero | return null; |
| 472 | } |
||
| 473 | 20761 | jmvivo | |
| 474 | 22783 | vcaballero | /* if (numParts == 1)
|
| 475 | {
|
||
| 476 | linRingExt = new GeometryFactory().createLinearRing(
|
||
| 477 | CoordinateArrays.toCoordinateArray(arrayCoords));
|
||
| 478 | }
|
||
| 479 | else
|
||
| 480 | {
|
||
| 481 | linRing = new GeometryFactory().createLinearRing(
|
||
| 482 | CoordinateArrays.toCoordinateArray(arrayCoords));
|
||
| 483 | arrayLines.add(linRing);
|
||
| 484 | } */
|
||
| 485 | arrayCoords = new ArrayList(); |
||
| 486 | } |
||
| 487 | 20761 | jmvivo | |
| 488 | 22783 | vcaballero | numParts++; |
| 489 | arrayCoords.add(new Coordinate(theData[0], |
||
| 490 | theData[1]));
|
||
| 491 | 20761 | jmvivo | |
| 492 | 22783 | vcaballero | break;
|
| 493 | 20761 | jmvivo | |
| 494 | 22783 | vcaballero | case PathIterator.SEG_LINETO: |
| 495 | 20761 | jmvivo | |
| 496 | 22783 | vcaballero | // System.out.println("SEG_LINETO");
|
| 497 | arrayCoords.add(new Coordinate(theData[0], |
||
| 498 | theData[1]));
|
||
| 499 | 20761 | jmvivo | |
| 500 | 22783 | vcaballero | break;
|
| 501 | 20761 | jmvivo | |
| 502 | 22783 | vcaballero | case PathIterator.SEG_QUADTO: |
| 503 | System.out.println("SEG_QUADTO Not supported here"); |
||
| 504 | 20761 | jmvivo | |
| 505 | 22783 | vcaballero | break;
|
| 506 | 20761 | jmvivo | |
| 507 | 22783 | vcaballero | case PathIterator.SEG_CUBICTO: |
| 508 | System.out.println("SEG_CUBICTO Not supported here"); |
||
| 509 | 20761 | jmvivo | |
| 510 | 22783 | vcaballero | break;
|
| 511 | 20761 | jmvivo | |
| 512 | 22783 | vcaballero | case PathIterator.SEG_CLOSE: |
| 513 | 20761 | jmvivo | |
| 514 | 22783 | vcaballero | // A?adimos el primer punto para cerrar.
|
| 515 | Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
||
| 516 | arrayCoords.add(new Coordinate(firstCoord.x,
|
||
| 517 | firstCoord.y)); |
||
| 518 | 20761 | jmvivo | |
| 519 | 22783 | vcaballero | break;
|
| 520 | } //end switch
|
||
| 521 | 20761 | jmvivo | |
| 522 | 22783 | vcaballero | // System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
| 523 | theIterator.next(); |
||
| 524 | } //end while loop
|
||
| 525 | 20761 | jmvivo | |
| 526 | 28627 | jmvivo | |
| 527 | Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
||
| 528 | Coordinate lastCoord = (Coordinate) arrayCoords.get(arrayCoords |
||
| 529 | .size() - 1);
|
||
| 530 | if (!isClosed(firstCoord, lastCoord)) {
|
||
| 531 | arrayCoords.add(firstCoord); |
||
| 532 | } |
||
| 533 | 22783 | vcaballero | points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 534 | 20761 | jmvivo | |
| 535 | 22783 | vcaballero | try {
|
| 536 | LinearRing ring = geomFactory.createLinearRing(points); |
||
| 537 | 20761 | jmvivo | |
| 538 | 22783 | vcaballero | if (CGAlgorithms.isCCW(points)) {
|
| 539 | holes.add(ring); |
||
| 540 | } else {
|
||
| 541 | shells.add(ring); |
||
| 542 | 20761 | jmvivo | } |
| 543 | 28396 | jmvivo | ring.setSRID(srid); |
| 544 | 22783 | vcaballero | } catch (Exception e) { |
| 545 | /* (jaume) caso cuando todos los puntos son iguales
|
||
| 546 | * devuelvo el propio punto
|
||
| 547 | */
|
||
| 548 | boolean same = true; |
||
| 549 | for (int i = 0; i < points.length-1 && same; i++) { |
||
| 550 | if (points[i].x != points[i+1].x || |
||
| 551 | points[i].y != points[i+1].y /*|| |
||
| 552 | points[i].z != points[i+1].z*/
|
||
| 553 | 28396 | jmvivo | ) {
|
| 554 | same = false;
|
||
| 555 | } |
||
| 556 | 22783 | vcaballero | } |
| 557 | 28396 | jmvivo | if (same) {
|
| 558 | geoJTS = geomFactory.createPoint(points[0]);
|
||
| 559 | geoJTS.setSRID(srid); |
||
| 560 | return geoJTS;
|
||
| 561 | } |
||
| 562 | 22783 | vcaballero | /*
|
| 563 | * caso cuando es una l?nea de 3 puntos, no creo un LinearRing, sino
|
||
| 564 | * una linea
|
||
| 565 | */
|
||
| 566 | 28396 | jmvivo | if (points.length>1 && points.length<=3) { |
| 567 | 22783 | vcaballero | // return geomFactory.createLineString(points);
|
| 568 | 28396 | jmvivo | geoJTS = geomFactory |
| 569 | .createMultiLineString(new LineString[] { geomFactory |
||
| 570 | .createLineString(points) }); |
||
| 571 | geoJTS.setSRID(srid); |
||
| 572 | return geoJTS;
|
||
| 573 | } |
||
| 574 | 22783 | vcaballero | System.err.println(
|
| 575 | "Caught Topology exception in GMLLinearRingHandler");
|
||
| 576 | 20761 | jmvivo | |
| 577 | 22783 | vcaballero | return null; |
| 578 | } |
||
| 579 | 20761 | jmvivo | |
| 580 | 22783 | vcaballero | /* linRing = new GeometryFactory().createLinearRing(
|
| 581 | CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
||
| 582 | 20761 | jmvivo | |
| 583 | 22783 | vcaballero | // System.out.println("NumParts = " + numParts);
|
| 584 | //now we have a list of all shells and all holes
|
||
| 585 | ArrayList holesForShells = new ArrayList(shells.size()); |
||
| 586 | 20761 | jmvivo | |
| 587 | 22783 | vcaballero | for (int i = 0; i < shells.size(); i++) { |
| 588 | holesForShells.add(new ArrayList()); |
||
| 589 | } |
||
| 590 | 20761 | jmvivo | |
| 591 | 22783 | vcaballero | //find homes
|
| 592 | for (int i = 0; i < holes.size(); i++) { |
||
| 593 | LinearRing testRing = (LinearRing) holes.get(i); |
||
| 594 | LinearRing minShell = null;
|
||
| 595 | Envelope minEnv = null;
|
||
| 596 | Envelope testEnv = testRing.getEnvelopeInternal(); |
||
| 597 | Coordinate testPt = testRing.getCoordinateN(0);
|
||
| 598 | LinearRing tryRing = null;
|
||
| 599 | 20761 | jmvivo | |
| 600 | 22783 | vcaballero | for (int j = 0; j < shells.size(); j++) { |
| 601 | tryRing = (LinearRing) shells.get(j); |
||
| 602 | 20761 | jmvivo | |
| 603 | 22783 | vcaballero | Envelope tryEnv = tryRing.getEnvelopeInternal(); |
| 604 | 20761 | jmvivo | |
| 605 | 22783 | vcaballero | if (minShell != null) { |
| 606 | minEnv = minShell.getEnvelopeInternal(); |
||
| 607 | } |
||
| 608 | 20761 | jmvivo | |
| 609 | 22783 | vcaballero | boolean isContained = false; |
| 610 | Coordinate[] coordList = tryRing.getCoordinates();
|
||
| 611 | 20761 | jmvivo | |
| 612 | 22783 | vcaballero | if (tryEnv.contains(testEnv) &&
|
| 613 | (CGAlgorithms.isPointInRing(testPt, coordList) || |
||
| 614 | (pointInList(testPt, coordList)))) {
|
||
| 615 | isContained = true;
|
||
| 616 | } |
||
| 617 | |||
| 618 | // check if this new containing ring is smaller than the current minimum ring
|
||
| 619 | if (isContained) {
|
||
| 620 | if ((minShell == null) || minEnv.contains(tryEnv)) { |
||
| 621 | minShell = tryRing; |
||
| 622 | 20761 | jmvivo | } |
| 623 | } |
||
| 624 | 22783 | vcaballero | } |
| 625 | 20761 | jmvivo | |
| 626 | 22783 | vcaballero | if (minShell == null) { |
| 627 | // System.out.println(
|
||
| 628 | // "polygon found with a hole thats not inside a shell");
|
||
| 629 | // azabala: we do the assumption that this hole is really a shell (polygon)
|
||
| 630 | // whose point werent digitized in the right order
|
||
| 631 | Coordinate[] cs = testRing.getCoordinates();
|
||
| 632 | Coordinate[] reversed = new Coordinate[cs.length]; |
||
| 633 | int pointIndex = 0; |
||
| 634 | for(int z = cs.length-1; z >= 0; z--){ |
||
| 635 | reversed[pointIndex] = cs[z]; |
||
| 636 | pointIndex++; |
||
| 637 | 20761 | jmvivo | } |
| 638 | 22783 | vcaballero | LinearRing newRing = geomFactory.createLinearRing(reversed); |
| 639 | shells.add(newRing); |
||
| 640 | holesForShells.add(new ArrayList()); |
||
| 641 | } else {
|
||
| 642 | ((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
||
| 643 | 20761 | jmvivo | } |
| 644 | 22783 | vcaballero | } |
| 645 | 20761 | jmvivo | |
| 646 | 22783 | vcaballero | Polygon[] polygons = new Polygon[shells.size()]; |
| 647 | 20761 | jmvivo | |
| 648 | 22783 | vcaballero | for (int i = 0; i < shells.size(); i++) { |
| 649 | polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
||
| 650 | i), |
||
| 651 | (LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
||
| 652 | 20761 | jmvivo | new LinearRing[0])); |
| 653 | 28396 | jmvivo | polygons[i].setSRID(srid); |
| 654 | 22783 | vcaballero | } |
| 655 | // CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
||
| 656 | // LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
||
| 657 | // O CON GEOTOOLS
|
||
| 658 | // if (numParts > 1) // Generamos una MultiLineString
|
||
| 659 | 20761 | jmvivo | |
| 660 | 22783 | vcaballero | /* if (polygons.length == 1) {
|
| 661 | return polygons[0];
|
||
| 662 | } */
|
||
| 663 | 20761 | jmvivo | |
| 664 | 22783 | vcaballero | // FIN CAMBIO
|
| 665 | 20761 | jmvivo | |
| 666 | 22783 | vcaballero | holesForShells = null;
|
| 667 | shells = null;
|
||
| 668 | holes = null;
|
||
| 669 | 20761 | jmvivo | |
| 670 | 22783 | vcaballero | //its a multi part
|
| 671 | geoJTS = geomFactory.createMultiPolygon(polygons); |
||
| 672 | 28396 | jmvivo | geoJTS.setSRID(srid); |
| 673 | 20761 | jmvivo | |
| 674 | 22783 | vcaballero | /* if (numParts > 1) // Generamos un Polygon con agujeros
|
| 675 | {
|
||
| 676 | arrayLines.add(linRing);
|
||
| 677 | // geoJTS = new GeometryFactory().createPolygon(linRingExt,
|
||
| 678 | // GeometryFactory.toLinearRingArray(arrayLines));
|
||
| 679 | geoJTS = new GeometryFactory().buildGeometry(arrayLines);
|
||
| 680 | 20761 | jmvivo | |
| 681 | 22783 | vcaballero | // geoJTS = Polygonizer.class.
|
| 682 | }
|
||
| 683 | else
|
||
| 684 | {
|
||
| 685 | geoJTS = new GeometryFactory().createPolygon(linRing,null);
|
||
| 686 | } */
|
||
| 687 | break;
|
||
| 688 | 20761 | jmvivo | } |
| 689 | |||
| 690 | 28396 | jmvivo | geoJTS.setSRID(srid); |
| 691 | 20761 | jmvivo | return geoJTS;
|
| 692 | } |
||
| 693 | |||
| 694 | /**
|
||
| 695 | * Converts JTS Geometry objects into Java 2D Shape objects
|
||
| 696 | *
|
||
| 697 | * @param geo Geometry de JTS.
|
||
| 698 | *
|
||
| 699 | * @return FShape.
|
||
| 700 | */
|
||
| 701 | 22783 | vcaballero | // public static FShape jts_to_java2d(com.vividsolutions.jts.geom.Geometry geo) {
|
| 702 | // FShape shpNew = null;
|
||
| 703 | //
|
||
| 704 | // try {
|
||
| 705 | // if (geo instanceof Point) {
|
||
| 706 | // shpNew = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ((Point) geo).getX(), ((Point) geo).getY());
|
||
| 707 | // }
|
||
| 708 | //
|
||
| 709 | // if (geo.isEmpty()) {
|
||
| 710 | // shpNew = null;
|
||
| 711 | // }
|
||
| 712 | //
|
||
| 713 | // if (geo instanceof Polygon) {
|
||
| 714 | // shpNew = new Surface2D(null, null, toShape((Polygon) geo));
|
||
| 715 | // }
|
||
| 716 | //
|
||
| 717 | // if (geo instanceof MultiPolygon) {
|
||
| 718 | // shpNew = new Surface2D(null, null, toShape((MultiPolygon) geo));
|
||
| 719 | // }
|
||
| 720 | //
|
||
| 721 | // if (geo instanceof LineString) {
|
||
| 722 | // shpNew = new Curve2D(null, null, toShape((LineString) geo));
|
||
| 723 | // }
|
||
| 724 | //
|
||
| 725 | // if (geo instanceof MultiLineString) {
|
||
| 726 | // shpNew = new Curve2D(null, null, toShape((MultiLineString) geo));
|
||
| 727 | // }
|
||
| 728 | //
|
||
| 729 | // /* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
||
| 730 | // * No sabremos si queremos una l?nea o un pol?gono.....
|
||
| 731 | // * if (geometry instanceof GeometryCollection) {
|
||
| 732 | // return toShape((GeometryCollection) geometry);
|
||
| 733 | // } */
|
||
| 734 | // return shpNew;
|
||
| 735 | // } catch (NoninvertibleTransformException e) {
|
||
| 736 | // // TODO Auto-generated catch block
|
||
| 737 | // e.printStackTrace();
|
||
| 738 | // }
|
||
| 739 | //
|
||
| 740 | // return null;
|
||
| 741 | // }
|
||
| 742 | 20761 | jmvivo | |
| 743 | /**
|
||
| 744 | * DOCUMENT ME!
|
||
| 745 | *
|
||
| 746 | * @param p DOCUMENT ME!
|
||
| 747 | *
|
||
| 748 | * @return DOCUMENT ME!
|
||
| 749 | */
|
||
| 750 | private static GeneralPathX toShape(Polygon p) { |
||
| 751 | GeneralPathX resul = new GeneralPathX();
|
||
| 752 | Coordinate coord; |
||
| 753 | |||
| 754 | for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
||
| 755 | coord = p.getExteriorRing().getCoordinateN(i); |
||
| 756 | |||
| 757 | if (i == 0) { |
||
| 758 | resul.moveTo(coord.x,coord.y); |
||
| 759 | } else {
|
||
| 760 | resul.lineTo(coord.x,coord.y); |
||
| 761 | } |
||
| 762 | } |
||
| 763 | |||
| 764 | for (int j = 0; j < p.getNumInteriorRing(); j++) { |
||
| 765 | LineString hole = p.getInteriorRingN(j); |
||
| 766 | |||
| 767 | for (int k = 0; k < hole.getNumPoints(); k++) { |
||
| 768 | coord = hole.getCoordinateN(k); |
||
| 769 | |||
| 770 | if (k == 0) { |
||
| 771 | resul.moveTo(coord.x, coord.y); |
||
| 772 | } else {
|
||
| 773 | resul.lineTo(coord.x, coord.y); |
||
| 774 | } |
||
| 775 | } |
||
| 776 | } |
||
| 777 | |||
| 778 | return resul;
|
||
| 779 | } |
||
| 780 | |||
| 781 | /**
|
||
| 782 | * DOCUMENT ME!
|
||
| 783 | *
|
||
| 784 | * @param modelCoordinates DOCUMENT ME!
|
||
| 785 | *
|
||
| 786 | * @return DOCUMENT ME!
|
||
| 787 | *
|
||
| 788 | * @throws NoninvertibleTransformException DOCUMENT ME!
|
||
| 789 | *
|
||
| 790 | private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
|
||
| 791 | throws NoninvertibleTransformException {
|
||
| 792 | Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
|
||
| 793 | |||
| 794 | for (int i = 0; i < modelCoordinates.length; i++) {
|
||
| 795 | FPoint2D point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
||
| 796 | viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
||
| 797 | }
|
||
| 798 | |||
| 799 | return viewCoordinates;
|
||
| 800 | 29097 | jpiera | }
|
| 801 | * @throws CreateGeometryException */
|
||
| 802 | 20761 | jmvivo | |
| 803 | /* private Shape toShape(GeometryCollection gc)
|
||
| 804 | throws NoninvertibleTransformException {
|
||
| 805 | GeometryCollectionShape shape = new GeometryCollectionShape();
|
||
| 806 | for (int i = 0; i < gc.getNumGeometries(); i++) {
|
||
| 807 | Geometry g = (Geometry) gc.getGeometryN(i);
|
||
| 808 | shape.add(toShape(g));
|
||
| 809 | }
|
||
| 810 | return shape;
|
||
| 811 | } */
|
||
| 812 | private static GeneralPathX toShape(MultiLineString mls) |
||
| 813 | 29097 | jpiera | throws NoninvertibleTransformException, CreateGeometryException { |
| 814 | 20761 | jmvivo | GeneralPathX path = new GeneralPathX();
|
| 815 | |||
| 816 | for (int i = 0; i < mls.getNumGeometries(); i++) { |
||
| 817 | LineString lineString = (LineString) mls.getGeometryN(i); |
||
| 818 | 29972 | jldominguez | path.append(toShape(lineString).getPathIterator(null), false); |
| 819 | 20761 | jmvivo | } |
| 820 | |||
| 821 | //BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
||
| 822 | //converted to GeneralPathXs. [Jon Aquino]
|
||
| 823 | return path;
|
||
| 824 | } |
||
| 825 | |||
| 826 | /**
|
||
| 827 | * DOCUMENT ME!
|
||
| 828 | *
|
||
| 829 | * @param lineString DOCUMENT ME!
|
||
| 830 | *
|
||
| 831 | * @return DOCUMENT ME!
|
||
| 832 | *
|
||
| 833 | * @throws NoninvertibleTransformException DOCUMENT ME!
|
||
| 834 | 29097 | jpiera | * @throws CreateGeometryException
|
| 835 | 20761 | jmvivo | */
|
| 836 | private static GeneralPathX toShape(LineString lineString) |
||
| 837 | 29097 | jpiera | throws NoninvertibleTransformException, CreateGeometryException { |
| 838 | 20761 | jmvivo | GeneralPathX shape = new GeneralPathX();
|
| 839 | 29097 | jpiera | org.gvsig.fmap.geom.primitive.Point viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
| 840 | 20761 | jmvivo | shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
| 841 | |||
| 842 | for (int i = 1; i < lineString.getNumPoints(); i++) { |
||
| 843 | viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
||
| 844 | shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
||
| 845 | } |
||
| 846 | |||
| 847 | //BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
||
| 848 | //converted to GeneralPathXs. [Jon Aquino]
|
||
| 849 | return shape;
|
||
| 850 | } |
||
| 851 | |||
| 852 | /* TODO No se usa
|
||
| 853 | * DOCUMENT ME!
|
||
| 854 | *
|
||
| 855 | * @param point DOCUMENT ME!
|
||
| 856 | *
|
||
| 857 | * @return DOCUMENT ME!
|
||
| 858 | *
|
||
| 859 | * @throws NoninvertibleTransformException DOCUMENT ME!
|
||
| 860 | *
|
||
| 861 | private static Point2D toShape(Point point)
|
||
| 862 | throws NoninvertibleTransformException {
|
||
| 863 | Point2D viewPoint = coordinate2FPoint2D(point.getCoordinate());
|
||
| 864 | |||
| 865 | return viewPoint;
|
||
| 866 | }
|
||
| 867 | */
|
||
| 868 | 22287 | vcaballero | |
| 869 | 20761 | jmvivo | /**
|
| 870 | 22287 | vcaballero | *
|
| 871 | 20761 | jmvivo | */
|
| 872 | private static GeneralPathX toShape(MultiPolygon mp) |
||
| 873 | throws NoninvertibleTransformException { |
||
| 874 | GeneralPathX path = new GeneralPathX();
|
||
| 875 | |||
| 876 | for (int i = 0; i < mp.getNumGeometries(); i++) { |
||
| 877 | Polygon polygon = (Polygon) mp.getGeometryN(i); |
||
| 878 | 29972 | jldominguez | path.append(toShape(polygon).getPathIterator(null), false); |
| 879 | 20761 | jmvivo | } |
| 880 | |||
| 881 | //BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
||
| 882 | //converted to GeneralPathXs. [Jon Aquino]
|
||
| 883 | return path;
|
||
| 884 | } |
||
| 885 | /**
|
||
| 886 | * DOCUMENT ME!
|
||
| 887 | *
|
||
| 888 | * @param coord DOCUMENT ME!
|
||
| 889 | *
|
||
| 890 | * @return DOCUMENT ME!
|
||
| 891 | 29097 | jpiera | * @throws CreateGeometryException
|
| 892 | 20761 | jmvivo | */
|
| 893 | 29097 | jpiera | public static org.gvsig.fmap.geom.primitive.Point coordinate2FPoint2D(Coordinate coord) throws CreateGeometryException { |
| 894 | return geomManager.createPoint(coord.x, coord.y, SUBTYPES.GEOM2D); //,coord.z); |
||
| 895 | 20761 | jmvivo | } |
| 896 | |||
| 897 | /**
|
||
| 898 | * Convierte una Geometry de JTS a GeneralPathX.
|
||
| 899 | *
|
||
| 900 | * @param geometry Geometry a convertir.
|
||
| 901 | *
|
||
| 902 | * @return GeneralPathX.
|
||
| 903 | *
|
||
| 904 | * @throws NoninvertibleTransformException
|
||
| 905 | 29097 | jpiera | * @throws CreateGeometryException
|
| 906 | 20761 | jmvivo | * @throws IllegalArgumentException
|
| 907 | */
|
||
| 908 | public static GeneralPathX toShape(com.vividsolutions.jts.geom.Geometry geometry) |
||
| 909 | 29097 | jpiera | throws NoninvertibleTransformException, CreateGeometryException { |
| 910 | 20761 | jmvivo | if (geometry.isEmpty()) {
|
| 911 | return new GeneralPathX(); |
||
| 912 | } |
||
| 913 | |||
| 914 | if (geometry instanceof Polygon) { |
||
| 915 | return toShape((Polygon) geometry); |
||
| 916 | } |
||
| 917 | |||
| 918 | if (geometry instanceof MultiPolygon) { |
||
| 919 | return toShape((MultiPolygon) geometry);
|
||
| 920 | } |
||
| 921 | |||
| 922 | if (geometry instanceof LineString) { |
||
| 923 | return toShape((LineString) geometry);
|
||
| 924 | } |
||
| 925 | |||
| 926 | if (geometry instanceof MultiLineString) { |
||
| 927 | return toShape((MultiLineString) geometry);
|
||
| 928 | } |
||
| 929 | |||
| 930 | if (geometry instanceof GeometryCollection) { |
||
| 931 | 28396 | jmvivo | return toShape(geometry);
|
| 932 | 20761 | jmvivo | } |
| 933 | |||
| 934 | throw new IllegalArgumentException("Unrecognized Geometry class: " + |
||
| 935 | geometry.getClass()); |
||
| 936 | } |
||
| 937 | |||
| 938 | |||
| 939 | public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
||
| 940 | GeneralPathX newGp = new GeneralPathX();
|
||
| 941 | PathIterator theIterator;
|
||
| 942 | int theType;
|
||
| 943 | int numParts = 0; |
||
| 944 | double[] theData = new double[6]; |
||
| 945 | java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
||
| 946 | java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
||
| 947 | boolean bFirst = true; |
||
| 948 | int xInt, yInt, antX = -1, antY = -1; |
||
| 949 | |||
| 950 | theIterator = gp.getPathIterator(null); //, flatness); |
||
| 951 | |||
| 952 | while (!theIterator.isDone()) {
|
||
| 953 | theType = theIterator.currentSegment(theData); |
||
| 954 | switch (theType) {
|
||
| 955 | case PathIterator.SEG_MOVETO: |
||
| 956 | numParts++; |
||
| 957 | ptSrc.setLocation(theData[0], theData[1]); |
||
| 958 | at.transform(ptSrc, ptDst); |
||
| 959 | antX = (int) ptDst.getX();
|
||
| 960 | antY = (int) ptDst.getY();
|
||
| 961 | newGp.moveTo(antX, antY); |
||
| 962 | bFirst = true;
|
||
| 963 | break;
|
||
| 964 | |||
| 965 | case PathIterator.SEG_LINETO: |
||
| 966 | ptSrc.setLocation(theData[0], theData[1]); |
||
| 967 | at.transform(ptSrc, ptDst); |
||
| 968 | xInt = (int) ptDst.getX();
|
||
| 969 | yInt = (int) ptDst.getY();
|
||
| 970 | if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
||
| 971 | {
|
||
| 972 | newGp.lineTo(xInt, yInt); |
||
| 973 | antX = xInt; |
||
| 974 | antY = yInt; |
||
| 975 | bFirst = false;
|
||
| 976 | } |
||
| 977 | break;
|
||
| 978 | |||
| 979 | case PathIterator.SEG_QUADTO: |
||
| 980 | System.out.println("Not supported here"); |
||
| 981 | |||
| 982 | break;
|
||
| 983 | |||
| 984 | case PathIterator.SEG_CUBICTO: |
||
| 985 | System.out.println("Not supported here"); |
||
| 986 | |||
| 987 | break;
|
||
| 988 | |||
| 989 | case PathIterator.SEG_CLOSE: |
||
| 990 | newGp.closePath(); |
||
| 991 | |||
| 992 | break;
|
||
| 993 | } //end switch
|
||
| 994 | |||
| 995 | theIterator.next(); |
||
| 996 | } //end while loop
|
||
| 997 | |||
| 998 | return newGp;
|
||
| 999 | } |
||
| 1000 | 29097 | jpiera | public static Geometry transformToInts(Geometry gp, AffineTransform at) throws CreateGeometryException { |
| 1001 | 20761 | jmvivo | GeneralPathX newGp = new GeneralPathX();
|
| 1002 | double[] theData = new double[6]; |
||
| 1003 | double[] aux = new double[6]; |
||
| 1004 | |||
| 1005 | // newGp.reset();
|
||
| 1006 | PathIterator theIterator;
|
||
| 1007 | int theType;
|
||
| 1008 | int numParts = 0; |
||
| 1009 | |||
| 1010 | java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
||
| 1011 | java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
||
| 1012 | boolean bFirst = true; |
||
| 1013 | int xInt, yInt, antX = -1, antY = -1; |
||
| 1014 | |||
| 1015 | |||
| 1016 | theIterator = gp.getPathIterator(null); //, flatness); |
||
| 1017 | int numSegmentsAdded = 0; |
||
| 1018 | while (!theIterator.isDone()) {
|
||
| 1019 | theType = theIterator.currentSegment(theData); |
||
| 1020 | |||
| 1021 | switch (theType) {
|
||
| 1022 | case PathIterator.SEG_MOVETO: |
||
| 1023 | numParts++; |
||
| 1024 | ptSrc.setLocation(theData[0], theData[1]); |
||
| 1025 | at.transform(ptSrc, ptDst); |
||
| 1026 | antX = (int) ptDst.getX();
|
||
| 1027 | antY = (int) ptDst.getY();
|
||
| 1028 | newGp.moveTo(antX, antY); |
||
| 1029 | numSegmentsAdded++; |
||
| 1030 | bFirst = true;
|
||
| 1031 | break;
|
||
| 1032 | |||
| 1033 | case PathIterator.SEG_LINETO: |
||
| 1034 | ptSrc.setLocation(theData[0], theData[1]); |
||
| 1035 | at.transform(ptSrc, ptDst); |
||
| 1036 | xInt = (int) ptDst.getX();
|
||
| 1037 | yInt = (int) ptDst.getY();
|
||
| 1038 | if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
||
| 1039 | {
|
||
| 1040 | newGp.lineTo(xInt, yInt); |
||
| 1041 | antX = xInt; |
||
| 1042 | antY = yInt; |
||
| 1043 | bFirst = false;
|
||
| 1044 | numSegmentsAdded++; |
||
| 1045 | } |
||
| 1046 | break;
|
||
| 1047 | |||
| 1048 | case PathIterator.SEG_QUADTO: |
||
| 1049 | at.transform(theData,0,aux,0,2); |
||
| 1050 | newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
||
| 1051 | numSegmentsAdded++; |
||
| 1052 | break;
|
||
| 1053 | |||
| 1054 | case PathIterator.SEG_CUBICTO: |
||
| 1055 | at.transform(theData,0,aux,0,3); |
||
| 1056 | newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
||
| 1057 | numSegmentsAdded++; |
||
| 1058 | break;
|
||
| 1059 | |||
| 1060 | case PathIterator.SEG_CLOSE: |
||
| 1061 | 28396 | jmvivo | if (numSegmentsAdded < 3) { |
| 1062 | newGp.lineTo(antX, antY); |
||
| 1063 | } |
||
| 1064 | 20761 | jmvivo | newGp.closePath(); |
| 1065 | |||
| 1066 | break;
|
||
| 1067 | } //end switch
|
||
| 1068 | |||
| 1069 | theIterator.next(); |
||
| 1070 | } //end while loop
|
||
| 1071 | |||
| 1072 | 22783 | vcaballero | Geometry shp = null;
|
| 1073 | switch (gp.getType())
|
||
| 1074 | 20761 | jmvivo | {
|
| 1075 | 28396 | jmvivo | case Geometry.TYPES.POINT:
|
| 1076 | 29097 | jpiera | shp = geomManager.createPoint(ptDst.getX(), ptDst.getY(), SUBTYPES.GEOM2D); |
| 1077 | 20761 | jmvivo | break;
|
| 1078 | |||
| 1079 | 22783 | vcaballero | case Geometry.TYPES.CURVE:
|
| 1080 | case Geometry.TYPES.ARC:
|
||
| 1081 | 27397 | jpiera | try {
|
| 1082 | shp = geomManager.createCurve(newGp, SUBTYPES.GEOM2D); |
||
| 1083 | } catch (CreateGeometryException e1) {
|
||
| 1084 | logger.error("Error creating a curve", e1);
|
||
| 1085 | } |
||
| 1086 | 20761 | jmvivo | break;
|
| 1087 | |||
| 1088 | 22783 | vcaballero | case Geometry.TYPES.SURFACE:
|
| 1089 | case Geometry.TYPES.CIRCLE:
|
||
| 1090 | case Geometry.TYPES.ELLIPSE:
|
||
| 1091 | 20761 | jmvivo | |
| 1092 | 27397 | jpiera | try {
|
| 1093 | shp = geomManager.createSurface(newGp, SUBTYPES.GEOM2D); |
||
| 1094 | } catch (CreateGeometryException e) {
|
||
| 1095 | logger.error("Error creating a surface", e);
|
||
| 1096 | } |
||
| 1097 | 20761 | jmvivo | break;
|
| 1098 | } |
||
| 1099 | return shp;
|
||
| 1100 | } |
||
| 1101 | |||
| 1102 | public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) |
||
| 1103 | {
|
||
| 1104 | Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
||
| 1105 | jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
||
| 1106 | return r;
|
||
| 1107 | } |
||
| 1108 | |||
| 1109 | 22287 | vcaballero | public static Envelope convertEnvelopeToJTS(org.gvsig.fmap.geom.primitive.Envelope r) |
| 1110 | 20761 | jmvivo | {
|
| 1111 | 22287 | vcaballero | Envelope e = new Envelope(r.getMinimum(0), r.getMaximum(0), r.getMinimum(1), |
| 1112 | r.getMaximum(1));
|
||
| 1113 | 20761 | jmvivo | return e;
|
| 1114 | } |
||
| 1115 | |||
| 1116 | /**
|
||
| 1117 | * Return a correct polygon (no hole)
|
||
| 1118 | * @param coordinates
|
||
| 1119 | * @return
|
||
| 1120 | */
|
||
| 1121 | public static Geometry getExteriorPolygon(Coordinate[] coordinates) |
||
| 1122 | {
|
||
| 1123 | // isCCW = true => it's a hole
|
||
| 1124 | Coordinate[] vs=new Coordinate[coordinates.length]; |
||
| 1125 | if (CGAlgorithms.isCCW(coordinates)){
|
||
| 1126 | for (int i=vs.length-1;i>=0;i--){ |
||
| 1127 | vs[i]=coordinates[i]; |
||
| 1128 | } |
||
| 1129 | }else{
|
||
| 1130 | vs=coordinates; |
||
| 1131 | } |
||
| 1132 | LinearRing ring = geomFactory.createLinearRing(vs); |
||
| 1133 | |||
| 1134 | try {
|
||
| 1135 | 26867 | jpiera | Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 1136 | surface.setGeneralPath(toShape(ring)); |
||
| 1137 | return surface;
|
||
| 1138 | 20761 | jmvivo | } catch (NoninvertibleTransformException e) { |
| 1139 | e.printStackTrace(); |
||
| 1140 | 27397 | jpiera | } catch (CreateGeometryException e) {
|
| 1141 | 26867 | jpiera | e.printStackTrace(); |
| 1142 | 20761 | jmvivo | } |
| 1143 | return null; |
||
| 1144 | } |
||
| 1145 | |||
| 1146 | 27030 | jpiera | public static boolean isCCW(Point[] points) |
| 1147 | 20761 | jmvivo | {
|
| 1148 | 26081 | fdiaz | int length = points.length;
|
| 1149 | Coordinate[] vs;
|
||
| 1150 | // CGAlgorithms.isCCW asume que la lista de puntos tienen el primer
|
||
| 1151 | // y el ultimo puntos iguales.... y que este algoritmo est? solo
|
||
| 1152 | // garantizado con anillos v?lidos.
|
||
| 1153 | if (points[0].getX() != points[length-1].getX() || points[0].getY() != points[length-1].getY()) { |
||
| 1154 | vs=new Coordinate[length+1]; |
||
| 1155 | vs[points.length] = new Coordinate(points[0].getX(), points[0].getY()); |
||
| 1156 | } else {
|
||
| 1157 | vs=new Coordinate[length];
|
||
| 1158 | } |
||
| 1159 | for (int i=0; i<length; i++){ |
||
| 1160 | 20761 | jmvivo | vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
| 1161 | } |
||
| 1162 | |||
| 1163 | return CGAlgorithms.isCCW(vs);
|
||
| 1164 | } |
||
| 1165 | |||
| 1166 | 27030 | jpiera | public static boolean isCCW(Surface pol) |
| 1167 | 20761 | jmvivo | {
|
| 1168 | 22783 | vcaballero | com.vividsolutions.jts.geom.Geometry jtsGeom = Converter.geometryToJts(pol); |
| 1169 | 20761 | jmvivo | if (jtsGeom.getNumGeometries() == 1) |
| 1170 | {
|
||
| 1171 | Coordinate[] coords = jtsGeom.getCoordinates();
|
||
| 1172 | return CGAlgorithms.isCCW(coords);
|
||
| 1173 | } |
||
| 1174 | return false; |
||
| 1175 | |||
| 1176 | } |
||
| 1177 | |||
| 1178 | |||
| 1179 | /**
|
||
| 1180 | * Return a hole (CCW ordered points)
|
||
| 1181 | * @param coordinates
|
||
| 1182 | * @return
|
||
| 1183 | */
|
||
| 1184 | public static Geometry getHole(Coordinate[] coordinates) |
||
| 1185 | {
|
||
| 1186 | // isCCW = true => it's a hole
|
||
| 1187 | Coordinate[] vs=new Coordinate[coordinates.length]; |
||
| 1188 | if (CGAlgorithms.isCCW(coordinates)){
|
||
| 1189 | vs=coordinates; |
||
| 1190 | |||
| 1191 | }else{
|
||
| 1192 | for (int i=vs.length-1;i>=0;i--){ |
||
| 1193 | vs[i]=coordinates[i]; |
||
| 1194 | } |
||
| 1195 | } |
||
| 1196 | LinearRing ring = geomFactory.createLinearRing(vs); |
||
| 1197 | |||
| 1198 | try {
|
||
| 1199 | 26872 | jpiera | Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 1200 | surface.setGeneralPath(toShape(ring)); |
||
| 1201 | return surface;
|
||
| 1202 | 20761 | jmvivo | } catch (NoninvertibleTransformException e) { |
| 1203 | e.printStackTrace(); |
||
| 1204 | 27397 | jpiera | } catch (CreateGeometryException e) {
|
| 1205 | 26872 | jpiera | e.printStackTrace(); |
| 1206 | 20761 | jmvivo | } |
| 1207 | return null; |
||
| 1208 | } |
||
| 1209 | |||
| 1210 | public static Shape getExteriorPolygon(GeneralPathX gp) { |
||
| 1211 | Area area = new Area(gp); |
||
| 1212 | area.isSingular(); |
||
| 1213 | return area;
|
||
| 1214 | |||
| 1215 | |||
| 1216 | |||
| 1217 | } |
||
| 1218 | /**
|
||
| 1219 | * Use it ONLY for NOT multipart polygons.
|
||
| 1220 | * @param pol
|
||
| 1221 | * @return
|
||
| 1222 | */
|
||
| 1223 | 27030 | jpiera | public static Geometry getNotHolePolygon(Surface pol) { |
| 1224 | 20761 | jmvivo | // isCCW == true => hole
|
| 1225 | Coordinate[] coords;
|
||
| 1226 | ArrayList arrayCoords = null; |
||
| 1227 | int theType;
|
||
| 1228 | int numParts = 0; |
||
| 1229 | |||
| 1230 | // Use this array to store segment coordinate data
|
||
| 1231 | double[] theData = new double[6]; |
||
| 1232 | PathIterator theIterator;
|
||
| 1233 | |||
| 1234 | ArrayList shells = new ArrayList(); |
||
| 1235 | ArrayList holes = new ArrayList(); |
||
| 1236 | Coordinate[] points = null; |
||
| 1237 | |||
| 1238 | 30323 | jpiera | theIterator = pol.getPathIterator(null, manager.getFlatness());
|
| 1239 | 20761 | jmvivo | |
| 1240 | while (!theIterator.isDone()) {
|
||
| 1241 | //while not done
|
||
| 1242 | theType = theIterator.currentSegment(theData); |
||
| 1243 | |||
| 1244 | //Populate a segment of the new
|
||
| 1245 | // GeneralPathX object.
|
||
| 1246 | //Process the current segment to populate a new
|
||
| 1247 | // segment of the new GeneralPathX object.
|
||
| 1248 | switch (theType) {
|
||
| 1249 | case PathIterator.SEG_MOVETO: |
||
| 1250 | |||
| 1251 | // System.out.println("SEG_MOVETO");
|
||
| 1252 | if (arrayCoords == null) { |
||
| 1253 | arrayCoords = new ArrayList(); |
||
| 1254 | } else {
|
||
| 1255 | points = CoordinateArrays.toCoordinateArray(arrayCoords); |
||
| 1256 | |||
| 1257 | try {
|
||
| 1258 | LinearRing ring = geomFactory.createLinearRing(points); |
||
| 1259 | |||
| 1260 | if (CGAlgorithms.isCCW(points)) {
|
||
| 1261 | holes.add(ring); |
||
| 1262 | } else {
|
||
| 1263 | shells.add(ring); |
||
| 1264 | } |
||
| 1265 | } catch (Exception e) { |
||
| 1266 | System.err.println(
|
||
| 1267 | "Caught Topology exception in GMLLinearRingHandler");
|
||
| 1268 | |||
| 1269 | return null; |
||
| 1270 | } |
||
| 1271 | |||
| 1272 | /* if (numParts == 1)
|
||
| 1273 | {
|
||
| 1274 | linRingExt = new GeometryFactory().createLinearRing(
|
||
| 1275 | CoordinateArrays.toCoordinateArray(arrayCoords));
|
||
| 1276 | }
|
||
| 1277 | else
|
||
| 1278 | {
|
||
| 1279 | linRing = new GeometryFactory().createLinearRing(
|
||
| 1280 | CoordinateArrays.toCoordinateArray(arrayCoords));
|
||
| 1281 | arrayLines.add(linRing);
|
||
| 1282 | } */
|
||
| 1283 | arrayCoords = new ArrayList(); |
||
| 1284 | } |
||
| 1285 | |||
| 1286 | numParts++; |
||
| 1287 | arrayCoords.add(new Coordinate(theData[0], |
||
| 1288 | theData[1]));
|
||
| 1289 | |||
| 1290 | break;
|
||
| 1291 | |||
| 1292 | case PathIterator.SEG_LINETO: |
||
| 1293 | |||
| 1294 | // System.out.println("SEG_LINETO");
|
||
| 1295 | arrayCoords.add(new Coordinate(theData[0], |
||
| 1296 | theData[1]));
|
||
| 1297 | |||
| 1298 | break;
|
||
| 1299 | |||
| 1300 | case PathIterator.SEG_QUADTO: |
||
| 1301 | System.out.println("SEG_QUADTO Not supported here"); |
||
| 1302 | |||
| 1303 | break;
|
||
| 1304 | |||
| 1305 | case PathIterator.SEG_CUBICTO: |
||
| 1306 | System.out.println("SEG_CUBICTO Not supported here"); |
||
| 1307 | |||
| 1308 | break;
|
||
| 1309 | |||
| 1310 | case PathIterator.SEG_CLOSE: |
||
| 1311 | |||
| 1312 | // A?adimos el primer punto para cerrar.
|
||
| 1313 | Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
||
| 1314 | arrayCoords.add(new Coordinate(firstCoord.x,
|
||
| 1315 | firstCoord.y)); |
||
| 1316 | |||
| 1317 | break;
|
||
| 1318 | } //end switch
|
||
| 1319 | |||
| 1320 | // System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
||
| 1321 | theIterator.next(); |
||
| 1322 | } //end while loop
|
||
| 1323 | |||
| 1324 | arrayCoords.add(arrayCoords.get(0));
|
||
| 1325 | coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
||
| 1326 | |||
| 1327 | |||
| 1328 | if (numParts == 1) |
||
| 1329 | {
|
||
| 1330 | return getExteriorPolygon(coords);
|
||
| 1331 | } |
||
| 1332 | 22783 | vcaballero | return pol;
|
| 1333 | 20761 | jmvivo | |
| 1334 | } |
||
| 1335 | |||
| 1336 | |||
| 1337 | /* public static GeometryCollection convertFGeometryCollection(FGeometryCollection fGeomC)
|
||
| 1338 | {
|
||
| 1339 | |||
| 1340 | geomFactory.createGeometryCollection(theGeoms);
|
||
| 1341 | } */
|
||
| 1342 | } |