svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / util / Converter.java @ 28396
History | View | Annotate | Download (37.3 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
| 4 |
*
|
| 5 |
* This program is free software; you can redistribute it and/or
|
| 6 |
* modify it under the terms of the GNU General Public License
|
| 7 |
* as published by the Free Software Foundation; either version 2
|
| 8 |
* of the License, or (at your option) any later version.
|
| 9 |
*
|
| 10 |
* This program is distributed in the hope that it will be useful,
|
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
* GNU General Public License for more details.
|
| 14 |
*
|
| 15 |
* You should have received a copy of the GNU General Public License
|
| 16 |
* along with this program; if not, write to the Free Software
|
| 17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*
|
| 19 |
* For more information, contact:
|
| 20 |
*
|
| 21 |
* Generalitat Valenciana
|
| 22 |
* Conselleria d'Infraestructures i Transport
|
| 23 |
* Av. Blasco Ib??ez, 50
|
| 24 |
* 46010 VALENCIA
|
| 25 |
* SPAIN
|
| 26 |
*
|
| 27 |
* +34 963862235
|
| 28 |
* gvsig@gva.es
|
| 29 |
* www.gvsig.gva.es
|
| 30 |
*
|
| 31 |
* or
|
| 32 |
*
|
| 33 |
* IVER T.I. S.A
|
| 34 |
* Salamanca 50
|
| 35 |
* 46005 Valencia
|
| 36 |
* Spain
|
| 37 |
*
|
| 38 |
* +34 963163400
|
| 39 |
* dac@iver.es
|
| 40 |
*/
|
| 41 |
package org.gvsig.fmap.geom.util; |
| 42 |
|
| 43 |
import java.awt.Shape; |
| 44 |
import java.awt.geom.AffineTransform; |
| 45 |
import java.awt.geom.Area; |
| 46 |
import java.awt.geom.NoninvertibleTransformException; |
| 47 |
import java.awt.geom.PathIterator; |
| 48 |
import java.awt.geom.Rectangle2D; |
| 49 |
import java.lang.reflect.Array; |
| 50 |
import java.util.ArrayList; |
| 51 |
|
| 52 |
import org.gvsig.fmap.geom.Geometry; |
| 53 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 54 |
import org.gvsig.fmap.geom.GeometryManager; |
| 55 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
| 56 |
import org.gvsig.fmap.geom.Geometry.TYPES; |
| 57 |
import org.gvsig.fmap.geom.aggregate.MultiCurve; |
| 58 |
import org.gvsig.fmap.geom.aggregate.MultiPoint; |
| 59 |
import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
| 60 |
import org.gvsig.fmap.geom.aggregate.MultiSurface; |
| 61 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
| 62 |
import org.gvsig.fmap.geom.primitive.GeneralPathX; |
| 63 |
import org.gvsig.fmap.geom.primitive.Surface; |
| 64 |
import org.slf4j.Logger; |
| 65 |
import org.slf4j.LoggerFactory; |
| 66 |
|
| 67 |
import com.vividsolutions.jts.algorithm.CGAlgorithms; |
| 68 |
import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
| 69 |
import com.vividsolutions.jts.geom.Coordinate; |
| 70 |
import com.vividsolutions.jts.geom.CoordinateArrays; |
| 71 |
import com.vividsolutions.jts.geom.Envelope; |
| 72 |
import com.vividsolutions.jts.geom.GeometryCollection; |
| 73 |
import com.vividsolutions.jts.geom.LineString; |
| 74 |
import com.vividsolutions.jts.geom.LinearRing; |
| 75 |
import com.vividsolutions.jts.geom.MultiLineString; |
| 76 |
import com.vividsolutions.jts.geom.MultiPolygon; |
| 77 |
import com.vividsolutions.jts.geom.Point; |
| 78 |
import com.vividsolutions.jts.geom.Polygon; |
| 79 |
|
| 80 |
|
| 81 |
/**
|
| 82 |
* Clase con varios m?todos est?ticos utilizados para pasar de java2d a jts y
|
| 83 |
* viceversa.
|
| 84 |
*
|
| 85 |
* @author fjp
|
| 86 |
*/
|
| 87 |
public class Converter { |
| 88 |
private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 89 |
private static final Logger logger = LoggerFactory.getLogger(Converter.class); |
| 90 |
|
| 91 |
//private static Logger logger = Logger.getLogger(Converter.class);
|
| 92 |
|
| 93 |
/**
|
| 94 |
* ?QU? PODEMOS HACER CON LOS MULTIPOINT??? => DEBER?AMOS TRABAJAR CON UN
|
| 95 |
* ARRAY DE PUNTOS EN FShape.....Pensarlo bien.
|
| 96 |
*/
|
| 97 |
public final static com.vividsolutions.jts.geom.GeometryFactory geomFactory = new com.vividsolutions.jts.geom.GeometryFactory(); |
| 98 |
public static CGAlgorithms cga = new RobustCGAlgorithms(); |
| 99 |
// private final static AffineTransform at = new AffineTransform();
|
| 100 |
//private static double POINT_MARKER_SIZE = 3.0;
|
| 101 |
|
| 102 |
/**
|
| 103 |
* Es la m?xima distancia que permitimos que el trazo aproximado
|
| 104 |
* difiera del trazo real.
|
| 105 |
*/
|
| 106 |
public static double FLATNESS =0.8;// Por ejemplo. Cuanto m?s peque?o, m?s segmentos necesitar? la curva |
| 107 |
|
| 108 |
private static GeometryManager manager = GeometryLocator.getGeometryManager(); |
| 109 |
|
| 110 |
|
| 111 |
//returns true if testPoint is a point in the pointList list.
|
| 112 |
static boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
| 113 |
int t;
|
| 114 |
int numpoints;
|
| 115 |
Coordinate p; |
| 116 |
|
| 117 |
numpoints = Array.getLength(pointList);
|
| 118 |
|
| 119 |
for (t = 0; t < numpoints; t++) { |
| 120 |
p = pointList[t]; |
| 121 |
|
| 122 |
if ((testPoint.x == p.x) && (testPoint.y == p.y) &&
|
| 123 |
((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan
|
| 124 |
) {
|
| 125 |
return true; |
| 126 |
} |
| 127 |
} |
| 128 |
|
| 129 |
return false; |
| 130 |
} |
| 131 |
|
| 132 |
/**
|
| 133 |
* Receives a JTS Geometry and returns a fmap IGeometry
|
| 134 |
* @param jtsGeometry jts Geometry
|
| 135 |
* @return IGeometry of FMap
|
| 136 |
* @author azabala
|
| 137 |
*/
|
| 138 |
public static Geometry jtsToGeometry(com.vividsolutions.jts.geom.Geometry geo){ |
| 139 |
Geometry shpNew = null;
|
| 140 |
|
| 141 |
try {
|
| 142 |
if (geo instanceof Point) { |
| 143 |
shpNew = new org.gvsig.fmap.geom.primitive.impl.Point2D(null, null, ((Point) geo).getX(), ((Point) geo).getY()); |
| 144 |
} |
| 145 |
|
| 146 |
if (geo.isEmpty()) {
|
| 147 |
shpNew = null;
|
| 148 |
} |
| 149 |
|
| 150 |
try{
|
| 151 |
if (geo instanceof Polygon) { |
| 152 |
shpNew = geomManager.createSurface(toShape((Polygon) geo), SUBTYPES.GEOM2D);
|
| 153 |
} |
| 154 |
|
| 155 |
if (geo instanceof MultiPolygon) { |
| 156 |
shpNew = geomManager.createSurface(toShape((MultiPolygon) geo), SUBTYPES.GEOM2D); |
| 157 |
} |
| 158 |
|
| 159 |
if (geo instanceof LineString) { |
| 160 |
shpNew = geomManager.createCurve(toShape((LineString) geo), SUBTYPES.GEOM2D); |
| 161 |
} |
| 162 |
|
| 163 |
if (geo instanceof MultiLineString) { |
| 164 |
shpNew = geomManager.createCurve(toShape((MultiLineString) geo), SUBTYPES.GEOM2D); |
| 165 |
} |
| 166 |
}catch(CreateGeometryException e){
|
| 167 |
logger.error("Error creating a geometry", e);
|
| 168 |
} |
| 169 |
|
| 170 |
/* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
| 171 |
* No sabremos si queremos una l?nea o un pol?gono.....
|
| 172 |
* if (geometry instanceof GeometryCollection) {
|
| 173 |
return toShape((GeometryCollection) geometry);
|
| 174 |
} */
|
| 175 |
return shpNew;
|
| 176 |
} catch (NoninvertibleTransformException e) { |
| 177 |
// TODO Auto-generated catch block
|
| 178 |
e.printStackTrace(); |
| 179 |
} |
| 180 |
|
| 181 |
return null; |
| 182 |
|
| 183 |
//
|
| 184 |
// FShape shape = Converter.jts_to_java2d(jtsGeometry);
|
| 185 |
// return factory.createGeometry(shape);
|
| 186 |
} |
| 187 |
|
| 188 |
/**
|
| 189 |
* Convierte un MultiPoint2D a un MultiPoint de JTS
|
| 190 |
* @param geom
|
| 191 |
* @return
|
| 192 |
*/
|
| 193 |
public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPoint geom) {
|
| 194 |
Coordinate[] theGeoms = new Coordinate[geom.getPrimitivesNumber()]; |
| 195 |
for (int i = 0; i < theGeoms.length; i++) { |
| 196 |
java.awt.geom.Point2D p = geom.getPrimitiveAt(i) |
| 197 |
.getHandlers(Geometry.SELECTHANDLER)[0].getPoint();
|
| 198 |
Coordinate c = new Coordinate(p.getX(), p.getY());
|
| 199 |
theGeoms[i] = c; |
| 200 |
} |
| 201 |
com.vividsolutions.jts.geom.MultiPoint geomCol = new com.vividsolutions.jts.geom.GeometryFactory()
|
| 202 |
.createMultiPoint(theGeoms); |
| 203 |
return geomCol;
|
| 204 |
} |
| 205 |
|
| 206 |
/**
|
| 207 |
* Convierte una MultiCurve2D en una MultiLineString de JTS
|
| 208 |
* @param geom
|
| 209 |
* @return
|
| 210 |
*/
|
| 211 |
public static com.vividsolutions.jts.geom.Geometry geometryToJts(MultiCurve geom) { |
| 212 |
LineString[] lines = new LineString[geom.getPrimitivesNumber()]; |
| 213 |
for (int i = 0; i < lines.length; i++){ |
| 214 |
lines[i] = (LineString) geometryToJts((geom.getPrimitiveAt(i))); |
| 215 |
} |
| 216 |
return new com.vividsolutions.jts.geom.GeometryFactory().createMultiLineString(lines); |
| 217 |
} |
| 218 |
|
| 219 |
/**
|
| 220 |
* Convierte una MultiSurface2D en un MultiPolygon de JTS
|
| 221 |
* @return
|
| 222 |
*/
|
| 223 |
public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiSurface geom) {
|
| 224 |
Polygon[] polygons = new Polygon[geom.getPrimitivesNumber()]; |
| 225 |
for (int i = 0; i < polygons.length; i++){ |
| 226 |
polygons[i] = (Polygon) geometryToJts((geom.getPrimitiveAt(i)));
|
| 227 |
} |
| 228 |
return new com.vividsolutions.jts.geom.GeometryFactory().createMultiPolygon(polygons); |
| 229 |
} |
| 230 |
|
| 231 |
/**
|
| 232 |
* Convierte una BaseMultiPrimitive en una GeometryCollection de JTS
|
| 233 |
* @return
|
| 234 |
*/
|
| 235 |
public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPrimitive geom) {
|
| 236 |
com.vividsolutions.jts.geom.Geometry[] geometriesAux = new LineString[geom.getPrimitivesNumber()]; |
| 237 |
for (int i = 0; i < geometriesAux.length; i++) { |
| 238 |
geometriesAux[i] = geometryToJts((geom.getPrimitiveAt(i))); |
| 239 |
} |
| 240 |
return new com.vividsolutions.jts.geom.GeometryFactory().createGeometryCollection(geometriesAux); |
| 241 |
} |
| 242 |
|
| 243 |
public static com.vividsolutions.jts.geom.Geometry geometryToJtsWithSRID( |
| 244 |
Geometry geom, int srid) {
|
| 245 |
// logger.debug(geom.getClass());
|
| 246 |
// logger.debug(new Integer(geom.getShapeType()));
|
| 247 |
return geometryToJts(geom, geom.getType(), srid);
|
| 248 |
} |
| 249 |
|
| 250 |
|
| 251 |
public static com.vividsolutions.jts.geom.Geometry geometryToJts(Geometry geom) { |
| 252 |
//logger.debug(geom.getClass());
|
| 253 |
//logger.debug(new Integer(geom.getShapeType()));
|
| 254 |
return geometryToJts(geom, geom.getType(), -1); |
| 255 |
} |
| 256 |
|
| 257 |
// public static com.vividsolutions.jts.geom.Geometry java2d_to_jts(FShape shp) {
|
| 258 |
// return java2d_to_jts(shp, shp.getShapeType());
|
| 259 |
// }
|
| 260 |
/**
|
| 261 |
* Convierte un FShape a una Geometry del JTS. Para ello, utilizamos un
|
| 262 |
* "flattened PathIterator". El flattened indica que las curvas las pasa a
|
| 263 |
* segmentos de l?nea recta AUTOMATICAMENTE!!!.
|
| 264 |
*
|
| 265 |
* @param shp FShape que se quiere convertir.
|
| 266 |
*
|
| 267 |
* @return Geometry de JTS.
|
| 268 |
*/
|
| 269 |
private static com.vividsolutions.jts.geom.Geometry geometryToJts( |
| 270 |
Geometry shp, int shapeType, int srid) { |
| 271 |
|
| 272 |
|
| 273 |
com.vividsolutions.jts.geom.Geometry geoJTS = null;
|
| 274 |
Coordinate coord; |
| 275 |
//Coordinate[] coords;
|
| 276 |
ArrayList arrayCoords = null; |
| 277 |
ArrayList arrayLines;
|
| 278 |
LineString lin; |
| 279 |
//LinearRing linRing;
|
| 280 |
//LinearRing linRingExt = null;
|
| 281 |
int theType;
|
| 282 |
int numParts = 0; |
| 283 |
|
| 284 |
// Use this array to store segment coordinate data
|
| 285 |
double[] theData = new double[6]; |
| 286 |
PathIterator theIterator;
|
| 287 |
|
| 288 |
//logger.debug(shp.toString());
|
| 289 |
|
| 290 |
|
| 291 |
switch (shapeType) {
|
| 292 |
case Geometry.TYPES.POINT:
|
| 293 |
org.gvsig.fmap.geom.primitive.impl.Point2D p = (org.gvsig.fmap.geom.primitive.impl.Point2D) shp; |
| 294 |
coord = new Coordinate(p.getX(), p.getY());
|
| 295 |
geoJTS = geomFactory.createPoint(coord); |
| 296 |
geoJTS.setSRID(srid); |
| 297 |
|
| 298 |
break;
|
| 299 |
|
| 300 |
case Geometry.TYPES.CURVE:
|
| 301 |
case Geometry.TYPES.ARC:
|
| 302 |
arrayLines = new ArrayList(); |
| 303 |
theIterator = shp.getPathIterator(null, FLATNESS);
|
| 304 |
|
| 305 |
while (!theIterator.isDone()) {
|
| 306 |
//while not done
|
| 307 |
theType = theIterator.currentSegment(theData); |
| 308 |
|
| 309 |
//Populate a segment of the new
|
| 310 |
// GeneralPathX object.
|
| 311 |
//Process the current segment to populate a new
|
| 312 |
// segment of the new GeneralPathX object.
|
| 313 |
switch (theType) {
|
| 314 |
case PathIterator.SEG_MOVETO: |
| 315 |
|
| 316 |
// System.out.println("SEG_MOVETO");
|
| 317 |
if (arrayCoords == null) { |
| 318 |
arrayCoords = new ArrayList(); |
| 319 |
} else {
|
| 320 |
lin = geomFactory.createLineString(CoordinateArrays.toCoordinateArray( |
| 321 |
arrayCoords)); |
| 322 |
lin.setSRID(srid); |
| 323 |
arrayLines.add(lin); |
| 324 |
arrayCoords = new ArrayList(); |
| 325 |
} |
| 326 |
|
| 327 |
numParts++; |
| 328 |
coord = new Coordinate(theData[0], theData[1]); |
| 329 |
|
| 330 |
arrayCoords.add(coord); |
| 331 |
|
| 332 |
break;
|
| 333 |
|
| 334 |
case PathIterator.SEG_LINETO: |
| 335 |
|
| 336 |
// System.out.println("SEG_LINETO");
|
| 337 |
arrayCoords.add(new Coordinate(theData[0], |
| 338 |
theData[1]));
|
| 339 |
|
| 340 |
break;
|
| 341 |
|
| 342 |
case PathIterator.SEG_QUADTO: |
| 343 |
System.out.println("Not supported here"); |
| 344 |
|
| 345 |
break;
|
| 346 |
|
| 347 |
case PathIterator.SEG_CUBICTO: |
| 348 |
System.out.println("Not supported here"); |
| 349 |
|
| 350 |
break;
|
| 351 |
|
| 352 |
case PathIterator.SEG_CLOSE: |
| 353 |
// A?adimos el primer punto para cerrar.
|
| 354 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 355 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
| 356 |
firstCoord.y)); |
| 357 |
|
| 358 |
break;
|
| 359 |
} //end switch
|
| 360 |
|
| 361 |
theIterator.next(); |
| 362 |
} //end while loop
|
| 363 |
|
| 364 |
if (arrayCoords.size()<2) { |
| 365 |
break;
|
| 366 |
} |
| 367 |
lin = new com.vividsolutions.jts.geom.GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
|
| 368 |
arrayCoords)); |
| 369 |
|
| 370 |
lin.setSRID(srid); |
| 371 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
| 372 |
// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
| 373 |
// O CON GEOTOOLS
|
| 374 |
// if (numParts > 1) // Generamos una MultiLineString
|
| 375 |
// {
|
| 376 |
arrayLines.add(lin); |
| 377 |
geoJTS = geomFactory.createMultiLineString(com.vividsolutions.jts.geom.GeometryFactory.toLineStringArray( |
| 378 |
arrayLines)); |
| 379 |
geoJTS.setSRID(srid); |
| 380 |
/* } else {
|
| 381 |
geoJTS = lin;
|
| 382 |
} */
|
| 383 |
|
| 384 |
break;
|
| 385 |
|
| 386 |
case Geometry.TYPES.SURFACE:
|
| 387 |
case Geometry.TYPES.CIRCLE:
|
| 388 |
case Geometry.TYPES.ELLIPSE:
|
| 389 |
arrayLines = new ArrayList(); |
| 390 |
|
| 391 |
ArrayList shells = new ArrayList(); |
| 392 |
ArrayList holes = new ArrayList(); |
| 393 |
Coordinate[] points = null; |
| 394 |
|
| 395 |
theIterator = shp.getPathIterator(null, FLATNESS);
|
| 396 |
|
| 397 |
while (!theIterator.isDone()) {
|
| 398 |
//while not done
|
| 399 |
theType = theIterator.currentSegment(theData); |
| 400 |
|
| 401 |
//Populate a segment of the new
|
| 402 |
// GeneralPathX object.
|
| 403 |
//Process the current segment to populate a new
|
| 404 |
// segment of the new GeneralPathX object.
|
| 405 |
switch (theType) {
|
| 406 |
case PathIterator.SEG_MOVETO: |
| 407 |
|
| 408 |
// System.out.println("SEG_MOVETO");
|
| 409 |
if (arrayCoords == null) { |
| 410 |
arrayCoords = new ArrayList(); |
| 411 |
} else {
|
| 412 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 413 |
|
| 414 |
try {
|
| 415 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 416 |
|
| 417 |
if (CGAlgorithms.isCCW(points)) {
|
| 418 |
holes.add(ring); |
| 419 |
} else {
|
| 420 |
shells.add(ring); |
| 421 |
} |
| 422 |
} catch (Exception e) { |
| 423 |
/* (jaume) caso cuando todos los puntos son iguales
|
| 424 |
* devuelvo el propio punto
|
| 425 |
*/
|
| 426 |
boolean same = true; |
| 427 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 428 |
if (points[i].x != points[i+1].x || |
| 429 |
points[i].y != points[i+1].y /*|| |
| 430 |
points[i].z != points[i+1].z*/
|
| 431 |
) {
|
| 432 |
same = false;
|
| 433 |
} |
| 434 |
} |
| 435 |
if (same) {
|
| 436 |
return geomFactory.createPoint(points[0]); |
| 437 |
} |
| 438 |
/*
|
| 439 |
* caso cuando es una l?nea de 3 puntos, no creo un LinearRing, sino
|
| 440 |
* una linea
|
| 441 |
*/
|
| 442 |
if (points.length>1 && points.length<=3) { |
| 443 |
// return geomFactory.createLineString(points);
|
| 444 |
return geomFactory.createMultiLineString(new LineString[] {geomFactory.createLineString(points)}); |
| 445 |
} |
| 446 |
|
| 447 |
System.err.println(
|
| 448 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 449 |
|
| 450 |
return null; |
| 451 |
} |
| 452 |
|
| 453 |
/* if (numParts == 1)
|
| 454 |
{
|
| 455 |
linRingExt = new GeometryFactory().createLinearRing(
|
| 456 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 457 |
}
|
| 458 |
else
|
| 459 |
{
|
| 460 |
linRing = new GeometryFactory().createLinearRing(
|
| 461 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 462 |
arrayLines.add(linRing);
|
| 463 |
} */
|
| 464 |
arrayCoords = new ArrayList(); |
| 465 |
} |
| 466 |
|
| 467 |
numParts++; |
| 468 |
arrayCoords.add(new Coordinate(theData[0], |
| 469 |
theData[1]));
|
| 470 |
|
| 471 |
break;
|
| 472 |
|
| 473 |
case PathIterator.SEG_LINETO: |
| 474 |
|
| 475 |
// System.out.println("SEG_LINETO");
|
| 476 |
arrayCoords.add(new Coordinate(theData[0], |
| 477 |
theData[1]));
|
| 478 |
|
| 479 |
break;
|
| 480 |
|
| 481 |
case PathIterator.SEG_QUADTO: |
| 482 |
System.out.println("SEG_QUADTO Not supported here"); |
| 483 |
|
| 484 |
break;
|
| 485 |
|
| 486 |
case PathIterator.SEG_CUBICTO: |
| 487 |
System.out.println("SEG_CUBICTO Not supported here"); |
| 488 |
|
| 489 |
break;
|
| 490 |
|
| 491 |
case PathIterator.SEG_CLOSE: |
| 492 |
|
| 493 |
// A?adimos el primer punto para cerrar.
|
| 494 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 495 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
| 496 |
firstCoord.y)); |
| 497 |
|
| 498 |
break;
|
| 499 |
} //end switch
|
| 500 |
|
| 501 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
| 502 |
theIterator.next(); |
| 503 |
} //end while loop
|
| 504 |
|
| 505 |
arrayCoords.add(arrayCoords.get(0));
|
| 506 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 507 |
|
| 508 |
try {
|
| 509 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 510 |
|
| 511 |
if (CGAlgorithms.isCCW(points)) {
|
| 512 |
holes.add(ring); |
| 513 |
} else {
|
| 514 |
shells.add(ring); |
| 515 |
} |
| 516 |
ring.setSRID(srid); |
| 517 |
} catch (Exception e) { |
| 518 |
/* (jaume) caso cuando todos los puntos son iguales
|
| 519 |
* devuelvo el propio punto
|
| 520 |
*/
|
| 521 |
boolean same = true; |
| 522 |
for (int i = 0; i < points.length-1 && same; i++) { |
| 523 |
if (points[i].x != points[i+1].x || |
| 524 |
points[i].y != points[i+1].y /*|| |
| 525 |
points[i].z != points[i+1].z*/
|
| 526 |
) {
|
| 527 |
same = false;
|
| 528 |
} |
| 529 |
} |
| 530 |
if (same) {
|
| 531 |
geoJTS = geomFactory.createPoint(points[0]);
|
| 532 |
geoJTS.setSRID(srid); |
| 533 |
return geoJTS;
|
| 534 |
} |
| 535 |
/*
|
| 536 |
* caso cuando es una l?nea de 3 puntos, no creo un LinearRing, sino
|
| 537 |
* una linea
|
| 538 |
*/
|
| 539 |
if (points.length>1 && points.length<=3) { |
| 540 |
// return geomFactory.createLineString(points);
|
| 541 |
geoJTS = geomFactory |
| 542 |
.createMultiLineString(new LineString[] { geomFactory |
| 543 |
.createLineString(points) }); |
| 544 |
geoJTS.setSRID(srid); |
| 545 |
return geoJTS;
|
| 546 |
} |
| 547 |
System.err.println(
|
| 548 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 549 |
|
| 550 |
return null; |
| 551 |
} |
| 552 |
|
| 553 |
/* linRing = new GeometryFactory().createLinearRing(
|
| 554 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
| 555 |
|
| 556 |
// System.out.println("NumParts = " + numParts);
|
| 557 |
//now we have a list of all shells and all holes
|
| 558 |
ArrayList holesForShells = new ArrayList(shells.size()); |
| 559 |
|
| 560 |
for (int i = 0; i < shells.size(); i++) { |
| 561 |
holesForShells.add(new ArrayList()); |
| 562 |
} |
| 563 |
|
| 564 |
//find homes
|
| 565 |
for (int i = 0; i < holes.size(); i++) { |
| 566 |
LinearRing testRing = (LinearRing) holes.get(i); |
| 567 |
LinearRing minShell = null;
|
| 568 |
Envelope minEnv = null;
|
| 569 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
| 570 |
Coordinate testPt = testRing.getCoordinateN(0);
|
| 571 |
LinearRing tryRing = null;
|
| 572 |
|
| 573 |
for (int j = 0; j < shells.size(); j++) { |
| 574 |
tryRing = (LinearRing) shells.get(j); |
| 575 |
|
| 576 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
| 577 |
|
| 578 |
if (minShell != null) { |
| 579 |
minEnv = minShell.getEnvelopeInternal(); |
| 580 |
} |
| 581 |
|
| 582 |
boolean isContained = false; |
| 583 |
Coordinate[] coordList = tryRing.getCoordinates();
|
| 584 |
|
| 585 |
if (tryEnv.contains(testEnv) &&
|
| 586 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
| 587 |
(pointInList(testPt, coordList)))) {
|
| 588 |
isContained = true;
|
| 589 |
} |
| 590 |
|
| 591 |
// check if this new containing ring is smaller than the current minimum ring
|
| 592 |
if (isContained) {
|
| 593 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
| 594 |
minShell = tryRing; |
| 595 |
} |
| 596 |
} |
| 597 |
} |
| 598 |
|
| 599 |
if (minShell == null) { |
| 600 |
// System.out.println(
|
| 601 |
// "polygon found with a hole thats not inside a shell");
|
| 602 |
// azabala: we do the assumption that this hole is really a shell (polygon)
|
| 603 |
// whose point werent digitized in the right order
|
| 604 |
Coordinate[] cs = testRing.getCoordinates();
|
| 605 |
Coordinate[] reversed = new Coordinate[cs.length]; |
| 606 |
int pointIndex = 0; |
| 607 |
for(int z = cs.length-1; z >= 0; z--){ |
| 608 |
reversed[pointIndex] = cs[z]; |
| 609 |
pointIndex++; |
| 610 |
} |
| 611 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
| 612 |
shells.add(newRing); |
| 613 |
holesForShells.add(new ArrayList()); |
| 614 |
} else {
|
| 615 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
| 616 |
} |
| 617 |
} |
| 618 |
|
| 619 |
Polygon[] polygons = new Polygon[shells.size()]; |
| 620 |
|
| 621 |
for (int i = 0; i < shells.size(); i++) { |
| 622 |
polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
| 623 |
i), |
| 624 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
| 625 |
new LinearRing[0])); |
| 626 |
polygons[i].setSRID(srid); |
| 627 |
} |
| 628 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
| 629 |
// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
| 630 |
// O CON GEOTOOLS
|
| 631 |
// if (numParts > 1) // Generamos una MultiLineString
|
| 632 |
|
| 633 |
/* if (polygons.length == 1) {
|
| 634 |
return polygons[0];
|
| 635 |
} */
|
| 636 |
|
| 637 |
// FIN CAMBIO
|
| 638 |
|
| 639 |
holesForShells = null;
|
| 640 |
shells = null;
|
| 641 |
holes = null;
|
| 642 |
|
| 643 |
//its a multi part
|
| 644 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
| 645 |
geoJTS.setSRID(srid); |
| 646 |
|
| 647 |
/* if (numParts > 1) // Generamos un Polygon con agujeros
|
| 648 |
{
|
| 649 |
arrayLines.add(linRing);
|
| 650 |
// geoJTS = new GeometryFactory().createPolygon(linRingExt,
|
| 651 |
// GeometryFactory.toLinearRingArray(arrayLines));
|
| 652 |
geoJTS = new GeometryFactory().buildGeometry(arrayLines);
|
| 653 |
|
| 654 |
// geoJTS = Polygonizer.class.
|
| 655 |
}
|
| 656 |
else
|
| 657 |
{
|
| 658 |
geoJTS = new GeometryFactory().createPolygon(linRing,null);
|
| 659 |
} */
|
| 660 |
break;
|
| 661 |
} |
| 662 |
|
| 663 |
geoJTS.setSRID(srid); |
| 664 |
return geoJTS;
|
| 665 |
} |
| 666 |
|
| 667 |
/**
|
| 668 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
| 669 |
*
|
| 670 |
* @param geo Geometry de JTS.
|
| 671 |
*
|
| 672 |
* @return FShape.
|
| 673 |
*/
|
| 674 |
// public static FShape jts_to_java2d(com.vividsolutions.jts.geom.Geometry geo) {
|
| 675 |
// FShape shpNew = null;
|
| 676 |
//
|
| 677 |
// try {
|
| 678 |
// if (geo instanceof Point) {
|
| 679 |
// shpNew = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ((Point) geo).getX(), ((Point) geo).getY());
|
| 680 |
// }
|
| 681 |
//
|
| 682 |
// if (geo.isEmpty()) {
|
| 683 |
// shpNew = null;
|
| 684 |
// }
|
| 685 |
//
|
| 686 |
// if (geo instanceof Polygon) {
|
| 687 |
// shpNew = new Surface2D(null, null, toShape((Polygon) geo));
|
| 688 |
// }
|
| 689 |
//
|
| 690 |
// if (geo instanceof MultiPolygon) {
|
| 691 |
// shpNew = new Surface2D(null, null, toShape((MultiPolygon) geo));
|
| 692 |
// }
|
| 693 |
//
|
| 694 |
// if (geo instanceof LineString) {
|
| 695 |
// shpNew = new Curve2D(null, null, toShape((LineString) geo));
|
| 696 |
// }
|
| 697 |
//
|
| 698 |
// if (geo instanceof MultiLineString) {
|
| 699 |
// shpNew = new Curve2D(null, null, toShape((MultiLineString) geo));
|
| 700 |
// }
|
| 701 |
//
|
| 702 |
// /* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
| 703 |
// * No sabremos si queremos una l?nea o un pol?gono.....
|
| 704 |
// * if (geometry instanceof GeometryCollection) {
|
| 705 |
// return toShape((GeometryCollection) geometry);
|
| 706 |
// } */
|
| 707 |
// return shpNew;
|
| 708 |
// } catch (NoninvertibleTransformException e) {
|
| 709 |
// // TODO Auto-generated catch block
|
| 710 |
// e.printStackTrace();
|
| 711 |
// }
|
| 712 |
//
|
| 713 |
// return null;
|
| 714 |
// }
|
| 715 |
|
| 716 |
/**
|
| 717 |
* DOCUMENT ME!
|
| 718 |
*
|
| 719 |
* @param p DOCUMENT ME!
|
| 720 |
*
|
| 721 |
* @return DOCUMENT ME!
|
| 722 |
*/
|
| 723 |
private static GeneralPathX toShape(Polygon p) { |
| 724 |
GeneralPathX resul = new GeneralPathX();
|
| 725 |
Coordinate coord; |
| 726 |
|
| 727 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
| 728 |
coord = p.getExteriorRing().getCoordinateN(i); |
| 729 |
|
| 730 |
if (i == 0) { |
| 731 |
resul.moveTo(coord.x,coord.y); |
| 732 |
} else {
|
| 733 |
resul.lineTo(coord.x,coord.y); |
| 734 |
} |
| 735 |
} |
| 736 |
|
| 737 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
| 738 |
LineString hole = p.getInteriorRingN(j); |
| 739 |
|
| 740 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
| 741 |
coord = hole.getCoordinateN(k); |
| 742 |
|
| 743 |
if (k == 0) { |
| 744 |
resul.moveTo(coord.x, coord.y); |
| 745 |
} else {
|
| 746 |
resul.lineTo(coord.x, coord.y); |
| 747 |
} |
| 748 |
} |
| 749 |
} |
| 750 |
|
| 751 |
return resul;
|
| 752 |
} |
| 753 |
|
| 754 |
/**
|
| 755 |
* DOCUMENT ME!
|
| 756 |
*
|
| 757 |
* @param modelCoordinates DOCUMENT ME!
|
| 758 |
*
|
| 759 |
* @return DOCUMENT ME!
|
| 760 |
*
|
| 761 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 762 |
*
|
| 763 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
|
| 764 |
throws NoninvertibleTransformException {
|
| 765 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
|
| 766 |
|
| 767 |
for (int i = 0; i < modelCoordinates.length; i++) {
|
| 768 |
FPoint2D point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
| 769 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
| 770 |
}
|
| 771 |
|
| 772 |
return viewCoordinates;
|
| 773 |
} */
|
| 774 |
|
| 775 |
/* private Shape toShape(GeometryCollection gc)
|
| 776 |
throws NoninvertibleTransformException {
|
| 777 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
| 778 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
| 779 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
| 780 |
shape.add(toShape(g));
|
| 781 |
}
|
| 782 |
return shape;
|
| 783 |
} */
|
| 784 |
private static GeneralPathX toShape(MultiLineString mls) |
| 785 |
throws NoninvertibleTransformException { |
| 786 |
GeneralPathX path = new GeneralPathX();
|
| 787 |
|
| 788 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
| 789 |
LineString lineString = (LineString) mls.getGeometryN(i); |
| 790 |
path.append(toShape(lineString), false);
|
| 791 |
} |
| 792 |
|
| 793 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 794 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 795 |
return path;
|
| 796 |
} |
| 797 |
|
| 798 |
/**
|
| 799 |
* DOCUMENT ME!
|
| 800 |
*
|
| 801 |
* @param lineString DOCUMENT ME!
|
| 802 |
*
|
| 803 |
* @return DOCUMENT ME!
|
| 804 |
*
|
| 805 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 806 |
*/
|
| 807 |
private static GeneralPathX toShape(LineString lineString) |
| 808 |
throws NoninvertibleTransformException { |
| 809 |
GeneralPathX shape = new GeneralPathX();
|
| 810 |
org.gvsig.fmap.geom.primitive.impl.Point2D viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
| 811 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
| 812 |
|
| 813 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
| 814 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
| 815 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
| 816 |
} |
| 817 |
|
| 818 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 819 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 820 |
return shape;
|
| 821 |
} |
| 822 |
|
| 823 |
/* TODO No se usa
|
| 824 |
* DOCUMENT ME!
|
| 825 |
*
|
| 826 |
* @param point DOCUMENT ME!
|
| 827 |
*
|
| 828 |
* @return DOCUMENT ME!
|
| 829 |
*
|
| 830 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 831 |
*
|
| 832 |
private static Point2D toShape(Point point)
|
| 833 |
throws NoninvertibleTransformException {
|
| 834 |
Point2D viewPoint = coordinate2FPoint2D(point.getCoordinate());
|
| 835 |
|
| 836 |
return viewPoint;
|
| 837 |
}
|
| 838 |
*/
|
| 839 |
|
| 840 |
/**
|
| 841 |
*
|
| 842 |
*/
|
| 843 |
private static GeneralPathX toShape(MultiPolygon mp) |
| 844 |
throws NoninvertibleTransformException { |
| 845 |
GeneralPathX path = new GeneralPathX();
|
| 846 |
|
| 847 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
| 848 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
| 849 |
path.append(toShape(polygon), false);
|
| 850 |
} |
| 851 |
|
| 852 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 853 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 854 |
return path;
|
| 855 |
} |
| 856 |
/**
|
| 857 |
* DOCUMENT ME!
|
| 858 |
*
|
| 859 |
* @param coord DOCUMENT ME!
|
| 860 |
*
|
| 861 |
* @return DOCUMENT ME!
|
| 862 |
*/
|
| 863 |
public static org.gvsig.fmap.geom.primitive.impl.Point2D coordinate2FPoint2D(Coordinate coord) { |
| 864 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(null, null, coord.x, coord.y); //,coord.z); |
| 865 |
} |
| 866 |
|
| 867 |
/**
|
| 868 |
* Convierte una Geometry de JTS a GeneralPathX.
|
| 869 |
*
|
| 870 |
* @param geometry Geometry a convertir.
|
| 871 |
*
|
| 872 |
* @return GeneralPathX.
|
| 873 |
*
|
| 874 |
* @throws NoninvertibleTransformException
|
| 875 |
* @throws IllegalArgumentException
|
| 876 |
*/
|
| 877 |
public static GeneralPathX toShape(com.vividsolutions.jts.geom.Geometry geometry) |
| 878 |
throws NoninvertibleTransformException { |
| 879 |
if (geometry.isEmpty()) {
|
| 880 |
return new GeneralPathX(); |
| 881 |
} |
| 882 |
|
| 883 |
if (geometry instanceof Polygon) { |
| 884 |
return toShape((Polygon) geometry); |
| 885 |
} |
| 886 |
|
| 887 |
if (geometry instanceof MultiPolygon) { |
| 888 |
return toShape((MultiPolygon) geometry);
|
| 889 |
} |
| 890 |
|
| 891 |
if (geometry instanceof LineString) { |
| 892 |
return toShape((LineString) geometry);
|
| 893 |
} |
| 894 |
|
| 895 |
if (geometry instanceof MultiLineString) { |
| 896 |
return toShape((MultiLineString) geometry);
|
| 897 |
} |
| 898 |
|
| 899 |
if (geometry instanceof GeometryCollection) { |
| 900 |
return toShape(geometry);
|
| 901 |
} |
| 902 |
|
| 903 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
| 904 |
geometry.getClass()); |
| 905 |
} |
| 906 |
|
| 907 |
|
| 908 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
| 909 |
GeneralPathX newGp = new GeneralPathX();
|
| 910 |
PathIterator theIterator;
|
| 911 |
int theType;
|
| 912 |
int numParts = 0; |
| 913 |
double[] theData = new double[6]; |
| 914 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 915 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 916 |
boolean bFirst = true; |
| 917 |
int xInt, yInt, antX = -1, antY = -1; |
| 918 |
|
| 919 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 920 |
|
| 921 |
while (!theIterator.isDone()) {
|
| 922 |
theType = theIterator.currentSegment(theData); |
| 923 |
switch (theType) {
|
| 924 |
case PathIterator.SEG_MOVETO: |
| 925 |
numParts++; |
| 926 |
ptSrc.setLocation(theData[0], theData[1]); |
| 927 |
at.transform(ptSrc, ptDst); |
| 928 |
antX = (int) ptDst.getX();
|
| 929 |
antY = (int) ptDst.getY();
|
| 930 |
newGp.moveTo(antX, antY); |
| 931 |
bFirst = true;
|
| 932 |
break;
|
| 933 |
|
| 934 |
case PathIterator.SEG_LINETO: |
| 935 |
ptSrc.setLocation(theData[0], theData[1]); |
| 936 |
at.transform(ptSrc, ptDst); |
| 937 |
xInt = (int) ptDst.getX();
|
| 938 |
yInt = (int) ptDst.getY();
|
| 939 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
| 940 |
{
|
| 941 |
newGp.lineTo(xInt, yInt); |
| 942 |
antX = xInt; |
| 943 |
antY = yInt; |
| 944 |
bFirst = false;
|
| 945 |
} |
| 946 |
break;
|
| 947 |
|
| 948 |
case PathIterator.SEG_QUADTO: |
| 949 |
System.out.println("Not supported here"); |
| 950 |
|
| 951 |
break;
|
| 952 |
|
| 953 |
case PathIterator.SEG_CUBICTO: |
| 954 |
System.out.println("Not supported here"); |
| 955 |
|
| 956 |
break;
|
| 957 |
|
| 958 |
case PathIterator.SEG_CLOSE: |
| 959 |
newGp.closePath(); |
| 960 |
|
| 961 |
break;
|
| 962 |
} //end switch
|
| 963 |
|
| 964 |
theIterator.next(); |
| 965 |
} //end while loop
|
| 966 |
|
| 967 |
return newGp;
|
| 968 |
} |
| 969 |
public static Geometry transformToInts(Geometry gp, AffineTransform at) { |
| 970 |
GeneralPathX newGp = new GeneralPathX();
|
| 971 |
double[] theData = new double[6]; |
| 972 |
double[] aux = new double[6]; |
| 973 |
|
| 974 |
// newGp.reset();
|
| 975 |
PathIterator theIterator;
|
| 976 |
int theType;
|
| 977 |
int numParts = 0; |
| 978 |
|
| 979 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 980 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 981 |
boolean bFirst = true; |
| 982 |
int xInt, yInt, antX = -1, antY = -1; |
| 983 |
|
| 984 |
|
| 985 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 986 |
int numSegmentsAdded = 0; |
| 987 |
while (!theIterator.isDone()) {
|
| 988 |
theType = theIterator.currentSegment(theData); |
| 989 |
|
| 990 |
switch (theType) {
|
| 991 |
case PathIterator.SEG_MOVETO: |
| 992 |
numParts++; |
| 993 |
ptSrc.setLocation(theData[0], theData[1]); |
| 994 |
at.transform(ptSrc, ptDst); |
| 995 |
antX = (int) ptDst.getX();
|
| 996 |
antY = (int) ptDst.getY();
|
| 997 |
newGp.moveTo(antX, antY); |
| 998 |
numSegmentsAdded++; |
| 999 |
bFirst = true;
|
| 1000 |
break;
|
| 1001 |
|
| 1002 |
case PathIterator.SEG_LINETO: |
| 1003 |
ptSrc.setLocation(theData[0], theData[1]); |
| 1004 |
at.transform(ptSrc, ptDst); |
| 1005 |
xInt = (int) ptDst.getX();
|
| 1006 |
yInt = (int) ptDst.getY();
|
| 1007 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
| 1008 |
{
|
| 1009 |
newGp.lineTo(xInt, yInt); |
| 1010 |
antX = xInt; |
| 1011 |
antY = yInt; |
| 1012 |
bFirst = false;
|
| 1013 |
numSegmentsAdded++; |
| 1014 |
} |
| 1015 |
break;
|
| 1016 |
|
| 1017 |
case PathIterator.SEG_QUADTO: |
| 1018 |
at.transform(theData,0,aux,0,2); |
| 1019 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
| 1020 |
numSegmentsAdded++; |
| 1021 |
break;
|
| 1022 |
|
| 1023 |
case PathIterator.SEG_CUBICTO: |
| 1024 |
at.transform(theData,0,aux,0,3); |
| 1025 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
| 1026 |
numSegmentsAdded++; |
| 1027 |
break;
|
| 1028 |
|
| 1029 |
case PathIterator.SEG_CLOSE: |
| 1030 |
if (numSegmentsAdded < 3) { |
| 1031 |
newGp.lineTo(antX, antY); |
| 1032 |
} |
| 1033 |
newGp.closePath(); |
| 1034 |
|
| 1035 |
break;
|
| 1036 |
} //end switch
|
| 1037 |
|
| 1038 |
theIterator.next(); |
| 1039 |
} //end while loop
|
| 1040 |
|
| 1041 |
Geometry shp = null;
|
| 1042 |
switch (gp.getType())
|
| 1043 |
{
|
| 1044 |
case Geometry.TYPES.POINT:
|
| 1045 |
shp = new org.gvsig.fmap.geom.primitive.impl.Point2D(null, null, ptDst.getX(), ptDst.getY()); |
| 1046 |
break;
|
| 1047 |
|
| 1048 |
case Geometry.TYPES.CURVE:
|
| 1049 |
case Geometry.TYPES.ARC:
|
| 1050 |
try {
|
| 1051 |
shp = geomManager.createCurve(newGp, SUBTYPES.GEOM2D); |
| 1052 |
} catch (CreateGeometryException e1) {
|
| 1053 |
logger.error("Error creating a curve", e1);
|
| 1054 |
} |
| 1055 |
break;
|
| 1056 |
|
| 1057 |
case Geometry.TYPES.SURFACE:
|
| 1058 |
case Geometry.TYPES.CIRCLE:
|
| 1059 |
case Geometry.TYPES.ELLIPSE:
|
| 1060 |
|
| 1061 |
try {
|
| 1062 |
shp = geomManager.createSurface(newGp, SUBTYPES.GEOM2D); |
| 1063 |
} catch (CreateGeometryException e) {
|
| 1064 |
logger.error("Error creating a surface", e);
|
| 1065 |
} |
| 1066 |
break;
|
| 1067 |
} |
| 1068 |
return shp;
|
| 1069 |
} |
| 1070 |
|
| 1071 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) |
| 1072 |
{
|
| 1073 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
| 1074 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
| 1075 |
return r;
|
| 1076 |
} |
| 1077 |
|
| 1078 |
public static Envelope convertEnvelopeToJTS(org.gvsig.fmap.geom.primitive.Envelope r) |
| 1079 |
{
|
| 1080 |
Envelope e = new Envelope(r.getMinimum(0), r.getMaximum(0), r.getMinimum(1), |
| 1081 |
r.getMaximum(1));
|
| 1082 |
return e;
|
| 1083 |
} |
| 1084 |
|
| 1085 |
/**
|
| 1086 |
* Return a correct polygon (no hole)
|
| 1087 |
* @param coordinates
|
| 1088 |
* @return
|
| 1089 |
*/
|
| 1090 |
public static Geometry getExteriorPolygon(Coordinate[] coordinates) |
| 1091 |
{
|
| 1092 |
// isCCW = true => it's a hole
|
| 1093 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
| 1094 |
if (CGAlgorithms.isCCW(coordinates)){
|
| 1095 |
for (int i=vs.length-1;i>=0;i--){ |
| 1096 |
vs[i]=coordinates[i]; |
| 1097 |
} |
| 1098 |
}else{
|
| 1099 |
vs=coordinates; |
| 1100 |
} |
| 1101 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 1102 |
|
| 1103 |
try {
|
| 1104 |
Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 1105 |
surface.setGeneralPath(toShape(ring)); |
| 1106 |
return surface;
|
| 1107 |
} catch (NoninvertibleTransformException e) { |
| 1108 |
e.printStackTrace(); |
| 1109 |
} catch (CreateGeometryException e) {
|
| 1110 |
e.printStackTrace(); |
| 1111 |
} |
| 1112 |
return null; |
| 1113 |
} |
| 1114 |
|
| 1115 |
public static boolean isCCW(Point[] points) |
| 1116 |
{
|
| 1117 |
int length = points.length;
|
| 1118 |
Coordinate[] vs;
|
| 1119 |
// CGAlgorithms.isCCW asume que la lista de puntos tienen el primer
|
| 1120 |
// y el ultimo puntos iguales.... y que este algoritmo est? solo
|
| 1121 |
// garantizado con anillos v?lidos.
|
| 1122 |
if (points[0].getX() != points[length-1].getX() || points[0].getY() != points[length-1].getY()) { |
| 1123 |
vs=new Coordinate[length+1]; |
| 1124 |
vs[points.length] = new Coordinate(points[0].getX(), points[0].getY()); |
| 1125 |
} else {
|
| 1126 |
vs=new Coordinate[length];
|
| 1127 |
} |
| 1128 |
for (int i=0; i<length; i++){ |
| 1129 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
| 1130 |
} |
| 1131 |
|
| 1132 |
return CGAlgorithms.isCCW(vs);
|
| 1133 |
} |
| 1134 |
|
| 1135 |
public static boolean isCCW(Surface pol) |
| 1136 |
{
|
| 1137 |
com.vividsolutions.jts.geom.Geometry jtsGeom = Converter.geometryToJts(pol); |
| 1138 |
if (jtsGeom.getNumGeometries() == 1) |
| 1139 |
{
|
| 1140 |
Coordinate[] coords = jtsGeom.getCoordinates();
|
| 1141 |
return CGAlgorithms.isCCW(coords);
|
| 1142 |
} |
| 1143 |
return false; |
| 1144 |
|
| 1145 |
} |
| 1146 |
|
| 1147 |
|
| 1148 |
/**
|
| 1149 |
* Return a hole (CCW ordered points)
|
| 1150 |
* @param coordinates
|
| 1151 |
* @return
|
| 1152 |
*/
|
| 1153 |
public static Geometry getHole(Coordinate[] coordinates) |
| 1154 |
{
|
| 1155 |
// isCCW = true => it's a hole
|
| 1156 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
| 1157 |
if (CGAlgorithms.isCCW(coordinates)){
|
| 1158 |
vs=coordinates; |
| 1159 |
|
| 1160 |
}else{
|
| 1161 |
for (int i=vs.length-1;i>=0;i--){ |
| 1162 |
vs[i]=coordinates[i]; |
| 1163 |
} |
| 1164 |
} |
| 1165 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 1166 |
|
| 1167 |
try {
|
| 1168 |
Surface surface = (Surface)manager.create(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 1169 |
surface.setGeneralPath(toShape(ring)); |
| 1170 |
return surface;
|
| 1171 |
} catch (NoninvertibleTransformException e) { |
| 1172 |
e.printStackTrace(); |
| 1173 |
} catch (CreateGeometryException e) {
|
| 1174 |
e.printStackTrace(); |
| 1175 |
} |
| 1176 |
return null; |
| 1177 |
} |
| 1178 |
|
| 1179 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
| 1180 |
Area area = new Area(gp); |
| 1181 |
area.isSingular(); |
| 1182 |
return area;
|
| 1183 |
|
| 1184 |
|
| 1185 |
|
| 1186 |
} |
| 1187 |
/**
|
| 1188 |
* Use it ONLY for NOT multipart polygons.
|
| 1189 |
* @param pol
|
| 1190 |
* @return
|
| 1191 |
*/
|
| 1192 |
public static Geometry getNotHolePolygon(Surface pol) { |
| 1193 |
// isCCW == true => hole
|
| 1194 |
Coordinate[] coords;
|
| 1195 |
ArrayList arrayCoords = null; |
| 1196 |
int theType;
|
| 1197 |
int numParts = 0; |
| 1198 |
|
| 1199 |
// Use this array to store segment coordinate data
|
| 1200 |
double[] theData = new double[6]; |
| 1201 |
PathIterator theIterator;
|
| 1202 |
|
| 1203 |
ArrayList shells = new ArrayList(); |
| 1204 |
ArrayList holes = new ArrayList(); |
| 1205 |
Coordinate[] points = null; |
| 1206 |
|
| 1207 |
theIterator = pol.getPathIterator(null, FLATNESS);
|
| 1208 |
|
| 1209 |
while (!theIterator.isDone()) {
|
| 1210 |
//while not done
|
| 1211 |
theType = theIterator.currentSegment(theData); |
| 1212 |
|
| 1213 |
//Populate a segment of the new
|
| 1214 |
// GeneralPathX object.
|
| 1215 |
//Process the current segment to populate a new
|
| 1216 |
// segment of the new GeneralPathX object.
|
| 1217 |
switch (theType) {
|
| 1218 |
case PathIterator.SEG_MOVETO: |
| 1219 |
|
| 1220 |
// System.out.println("SEG_MOVETO");
|
| 1221 |
if (arrayCoords == null) { |
| 1222 |
arrayCoords = new ArrayList(); |
| 1223 |
} else {
|
| 1224 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1225 |
|
| 1226 |
try {
|
| 1227 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 1228 |
|
| 1229 |
if (CGAlgorithms.isCCW(points)) {
|
| 1230 |
holes.add(ring); |
| 1231 |
} else {
|
| 1232 |
shells.add(ring); |
| 1233 |
} |
| 1234 |
} catch (Exception e) { |
| 1235 |
System.err.println(
|
| 1236 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 1237 |
|
| 1238 |
return null; |
| 1239 |
} |
| 1240 |
|
| 1241 |
/* if (numParts == 1)
|
| 1242 |
{
|
| 1243 |
linRingExt = new GeometryFactory().createLinearRing(
|
| 1244 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 1245 |
}
|
| 1246 |
else
|
| 1247 |
{
|
| 1248 |
linRing = new GeometryFactory().createLinearRing(
|
| 1249 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 1250 |
arrayLines.add(linRing);
|
| 1251 |
} */
|
| 1252 |
arrayCoords = new ArrayList(); |
| 1253 |
} |
| 1254 |
|
| 1255 |
numParts++; |
| 1256 |
arrayCoords.add(new Coordinate(theData[0], |
| 1257 |
theData[1]));
|
| 1258 |
|
| 1259 |
break;
|
| 1260 |
|
| 1261 |
case PathIterator.SEG_LINETO: |
| 1262 |
|
| 1263 |
// System.out.println("SEG_LINETO");
|
| 1264 |
arrayCoords.add(new Coordinate(theData[0], |
| 1265 |
theData[1]));
|
| 1266 |
|
| 1267 |
break;
|
| 1268 |
|
| 1269 |
case PathIterator.SEG_QUADTO: |
| 1270 |
System.out.println("SEG_QUADTO Not supported here"); |
| 1271 |
|
| 1272 |
break;
|
| 1273 |
|
| 1274 |
case PathIterator.SEG_CUBICTO: |
| 1275 |
System.out.println("SEG_CUBICTO Not supported here"); |
| 1276 |
|
| 1277 |
break;
|
| 1278 |
|
| 1279 |
case PathIterator.SEG_CLOSE: |
| 1280 |
|
| 1281 |
// A?adimos el primer punto para cerrar.
|
| 1282 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 1283 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
| 1284 |
firstCoord.y)); |
| 1285 |
|
| 1286 |
break;
|
| 1287 |
} //end switch
|
| 1288 |
|
| 1289 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
| 1290 |
theIterator.next(); |
| 1291 |
} //end while loop
|
| 1292 |
|
| 1293 |
arrayCoords.add(arrayCoords.get(0));
|
| 1294 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 1295 |
|
| 1296 |
|
| 1297 |
if (numParts == 1) |
| 1298 |
{
|
| 1299 |
return getExteriorPolygon(coords);
|
| 1300 |
} |
| 1301 |
return pol;
|
| 1302 |
|
| 1303 |
} |
| 1304 |
|
| 1305 |
|
| 1306 |
/* public static GeometryCollection convertFGeometryCollection(FGeometryCollection fGeomC)
|
| 1307 |
{
|
| 1308 |
|
| 1309 |
geomFactory.createGeometryCollection(theGeoms);
|
| 1310 |
} */
|
| 1311 |
} |