root / branches / Mobile_Compatible_Hito_1 / libFMap / src / es / prodevelop / gvsig / mobile / fmap / symbol / FConverter.java @ 21606
History | View | Annotate | Download (20.1 KB)
| 1 |
/*
|
|---|---|
| 2 |
* Created on 08-jun-2004
|
| 3 |
*
|
| 4 |
* TODO To change the template for this generated file go to
|
| 5 |
* Window - Preferences - Java - Code Generation - Code and Comments
|
| 6 |
*/
|
| 7 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
| 8 |
*
|
| 9 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
| 10 |
*
|
| 11 |
* This program is free software; you can redistribute it and/or
|
| 12 |
* modify it under the terms of the GNU General Public License
|
| 13 |
* as published by the Free Software Foundation; either version 2
|
| 14 |
* of the License, or (at your option) any later version.
|
| 15 |
*
|
| 16 |
* This program is distributed in the hope that it will be useful,
|
| 17 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 18 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 19 |
* GNU General Public License for more details.
|
| 20 |
*
|
| 21 |
* You should have received a copy of the GNU General Public License
|
| 22 |
* along with this program; if not, write to the Free Software
|
| 23 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 24 |
*
|
| 25 |
* For more information, contact:
|
| 26 |
*
|
| 27 |
* Generalitat Valenciana
|
| 28 |
* Conselleria d'Infraestructures i Transport
|
| 29 |
* Av. Blasco Ib??ez, 50
|
| 30 |
* 46010 VALENCIA
|
| 31 |
* SPAIN
|
| 32 |
*
|
| 33 |
* +34 963862235
|
| 34 |
* gvsig@gva.es
|
| 35 |
* www.gvsig.gva.es
|
| 36 |
*
|
| 37 |
* or
|
| 38 |
*
|
| 39 |
* IVER T.I. S.A
|
| 40 |
* Salamanca 50
|
| 41 |
* 46005 Valencia
|
| 42 |
* Spain
|
| 43 |
*
|
| 44 |
* +34 963163400
|
| 45 |
* dac@iver.es
|
| 46 |
*/
|
| 47 |
/************************************************
|
| 48 |
* *
|
| 49 |
* Modfied By: *
|
| 50 |
* Prodevelop Integraci?n de Tecnolog?as SL *
|
| 51 |
* Conde Salvatierra de ?lava , 34-10 *
|
| 52 |
* 46004 Valencia *
|
| 53 |
* Spain *
|
| 54 |
* *
|
| 55 |
* +34 963 510 612 *
|
| 56 |
* +34 963 510 968 *
|
| 57 |
* gis@prodevelop.es *
|
| 58 |
* http://www.prodevelop.es *
|
| 59 |
* *
|
| 60 |
* gvSIG Mobile Team 2006 *
|
| 61 |
* *
|
| 62 |
************************************************/
|
| 63 |
|
| 64 |
package es.prodevelop.gvsig.mobile.fmap.symbol; |
| 65 |
|
| 66 |
import java.awt.Shape; |
| 67 |
import java.awt.geom.AffineTransform; |
| 68 |
import java.awt.geom.Area; |
| 69 |
import java.awt.geom.NoninvertibleTransformException; |
| 70 |
import java.awt.geom.PathIterator; |
| 71 |
import java.awt.geom.Point2D; |
| 72 |
import java.awt.geom.Rectangle2D; |
| 73 |
import java.lang.reflect.Array; |
| 74 |
import java.util.ArrayList; |
| 75 |
|
| 76 |
import org.apache.log4j.Logger; |
| 77 |
|
| 78 |
import com.vividsolutions.jts.algorithm.CGAlgorithms; |
| 79 |
import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
| 80 |
import com.vividsolutions.jts.geom.Coordinate; |
| 81 |
import com.vividsolutions.jts.geom.CoordinateArrays; |
| 82 |
import com.vividsolutions.jts.geom.Envelope; |
| 83 |
import com.vividsolutions.jts.geom.Geometry; |
| 84 |
import com.vividsolutions.jts.geom.GeometryCollection; |
| 85 |
import com.vividsolutions.jts.geom.GeometryFactory; |
| 86 |
import com.vividsolutions.jts.geom.LineString; |
| 87 |
import com.vividsolutions.jts.geom.LinearRing; |
| 88 |
import com.vividsolutions.jts.geom.MultiLineString; |
| 89 |
import com.vividsolutions.jts.geom.MultiPolygon; |
| 90 |
import com.vividsolutions.jts.geom.Point; |
| 91 |
import com.vividsolutions.jts.geom.Polygon; |
| 92 |
|
| 93 |
import es.prodevelop.gvsig.mobile.fmap.core.FPoint2D; |
| 94 |
import es.prodevelop.gvsig.mobile.fmap.core.FPolygon2D; |
| 95 |
import es.prodevelop.gvsig.mobile.fmap.core.FPolyline2D; |
| 96 |
import es.prodevelop.gvsig.mobile.fmap.core.FShape; |
| 97 |
import es.prodevelop.gvsig.mobile.fmap.core.GeneralPathX; |
| 98 |
import es.prodevelop.gvsig.mobile.fmap.core.IGeometry; |
| 99 |
import es.prodevelop.gvsig.mobile.fmap.core.ShapeFactory; |
| 100 |
|
| 101 |
|
| 102 |
/**
|
| 103 |
* Clase con varios m?todos est?ticos utilizados para pasar de java2d a jts y
|
| 104 |
* viceversa.
|
| 105 |
*
|
| 106 |
* @author fjp
|
| 107 |
*/
|
| 108 |
public class FConverter { |
| 109 |
|
| 110 |
private static Logger logger = Logger.getLogger(FConverter.class); |
| 111 |
/**
|
| 112 |
* ?QU? PODEMOS HACER CON LOS MULTIPOINT??? => DEBER?AMOS TRABAJAR CON UN
|
| 113 |
* ARRAY DE PUNTOS EN FShape.....Pensarlo bien.
|
| 114 |
*/
|
| 115 |
public final static GeometryFactory geomFactory = new GeometryFactory(); |
| 116 |
public static CGAlgorithms cga = new RobustCGAlgorithms(); |
| 117 |
// private final static AffineTransform at = new AffineTransform();
|
| 118 |
private static double POINT_MARKER_SIZE = 3.0; |
| 119 |
|
| 120 |
/**
|
| 121 |
* Es la m?xima distancia que permitimos que el trazo aproximado
|
| 122 |
* difiera del trazo real.
|
| 123 |
*/
|
| 124 |
public static double FLATNESS =0.8;// Por ejemplo. Cuanto m?s peque?o, m?s segmentos necesitar? la curva |
| 125 |
|
| 126 |
|
| 127 |
//returns true if testPoint is a point in the pointList list.
|
| 128 |
static boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
| 129 |
int t;
|
| 130 |
int numpoints;
|
| 131 |
Coordinate p; |
| 132 |
|
| 133 |
numpoints = Array.getLength(pointList);
|
| 134 |
|
| 135 |
for (t = 0; t < numpoints; t++) { |
| 136 |
p = pointList[t]; |
| 137 |
|
| 138 |
if ((testPoint.x == p.x) && (testPoint.y == p.y) &&
|
| 139 |
((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan
|
| 140 |
) {
|
| 141 |
return true; |
| 142 |
} |
| 143 |
} |
| 144 |
|
| 145 |
return false; |
| 146 |
} |
| 147 |
|
| 148 |
/**
|
| 149 |
* Receives a JTS Geometry and returns a fmap IGeometry
|
| 150 |
* @param jtsGeometry jts Geometry
|
| 151 |
* @return IGeometry of FMap
|
| 152 |
* @author azabala
|
| 153 |
*/
|
| 154 |
|
| 155 |
|
| 156 |
/**
|
| 157 |
* Convierte un FShape a una Geometry del JTS. Para ello, utilizamos un
|
| 158 |
* "flattened PathIterator". El flattened indica que las curvas las pasa a
|
| 159 |
* segmentos de l?nea recta AUTOMATICAMENTE!!!.
|
| 160 |
*
|
| 161 |
* @param shp FShape que se quiere convertir.
|
| 162 |
*
|
| 163 |
* @return Geometry de JTS.
|
| 164 |
*/
|
| 165 |
|
| 166 |
|
| 167 |
/**
|
| 168 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
| 169 |
*
|
| 170 |
* @param geo Geometry de JTS.
|
| 171 |
*
|
| 172 |
* @return FShape.
|
| 173 |
*/
|
| 174 |
|
| 175 |
/**
|
| 176 |
*
|
| 177 |
*
|
| 178 |
* @param p
|
| 179 |
*
|
| 180 |
* @return
|
| 181 |
*/
|
| 182 |
private static GeneralPathX toShape(Polygon p) { |
| 183 |
GeneralPathX resul = new GeneralPathX();
|
| 184 |
Coordinate coord; |
| 185 |
|
| 186 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
| 187 |
coord = p.getExteriorRing().getCoordinateN(i); |
| 188 |
|
| 189 |
if (i == 0) { |
| 190 |
resul.moveTo(coord.x,coord.y); |
| 191 |
} else {
|
| 192 |
resul.lineTo(coord.x,coord.y); |
| 193 |
} |
| 194 |
} |
| 195 |
|
| 196 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
| 197 |
LineString hole = p.getInteriorRingN(j); |
| 198 |
|
| 199 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
| 200 |
coord = hole.getCoordinateN(k); |
| 201 |
|
| 202 |
if (k == 0) { |
| 203 |
resul.moveTo(coord.x, coord.y); |
| 204 |
} else {
|
| 205 |
resul.lineTo(coord.x, coord.y); |
| 206 |
} |
| 207 |
} |
| 208 |
} |
| 209 |
|
| 210 |
return resul;
|
| 211 |
} |
| 212 |
|
| 213 |
/**
|
| 214 |
*
|
| 215 |
*
|
| 216 |
* @param modelCoordinates
|
| 217 |
*
|
| 218 |
* @return
|
| 219 |
*
|
| 220 |
* @throws NoninvertibleTransformException
|
| 221 |
*
|
| 222 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates)
|
| 223 |
throws NoninvertibleTransformException {
|
| 224 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length];
|
| 225 |
|
| 226 |
for (int i = 0; i < modelCoordinates.length; i++) {
|
| 227 |
FPoint2D point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
| 228 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
| 229 |
}
|
| 230 |
|
| 231 |
return viewCoordinates;
|
| 232 |
} */
|
| 233 |
|
| 234 |
/* private Shape toShape(GeometryCollection gc)
|
| 235 |
throws NoninvertibleTransformException {
|
| 236 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
| 237 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
| 238 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
| 239 |
shape.add(toShape(g));
|
| 240 |
}
|
| 241 |
return shape;
|
| 242 |
} */
|
| 243 |
private static GeneralPathX toShape(MultiLineString mls) |
| 244 |
throws NoninvertibleTransformException { |
| 245 |
GeneralPathX path = new GeneralPathX();
|
| 246 |
|
| 247 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
| 248 |
LineString lineString = (LineString) mls.getGeometryN(i); |
| 249 |
path.append(toShape(lineString), false);
|
| 250 |
} |
| 251 |
|
| 252 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 253 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 254 |
return path;
|
| 255 |
} |
| 256 |
|
| 257 |
/**
|
| 258 |
*
|
| 259 |
*
|
| 260 |
* @param lineString
|
| 261 |
*
|
| 262 |
* @return
|
| 263 |
*
|
| 264 |
* @throws NoninvertibleTransformException
|
| 265 |
*/
|
| 266 |
private static GeneralPathX toShape(LineString lineString) |
| 267 |
throws NoninvertibleTransformException { |
| 268 |
GeneralPathX shape = new GeneralPathX();
|
| 269 |
FPoint2D viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(0));
|
| 270 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
| 271 |
|
| 272 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
| 273 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
| 274 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
| 275 |
} |
| 276 |
|
| 277 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 278 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 279 |
return shape;
|
| 280 |
} |
| 281 |
|
| 282 |
/**
|
| 283 |
*
|
| 284 |
*
|
| 285 |
* @param point
|
| 286 |
*
|
| 287 |
* @return
|
| 288 |
*
|
| 289 |
* @throws NoninvertibleTransformException
|
| 290 |
*/
|
| 291 |
private static FPoint2D toShape(Point point) |
| 292 |
throws NoninvertibleTransformException { |
| 293 |
FPoint2D viewPoint = coordinate2FPoint2D(point.getCoordinate()); |
| 294 |
|
| 295 |
return viewPoint;
|
| 296 |
} |
| 297 |
|
| 298 |
private static GeneralPathX toShape(MultiPolygon mp) |
| 299 |
throws NoninvertibleTransformException { |
| 300 |
GeneralPathX path = new GeneralPathX();
|
| 301 |
|
| 302 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
| 303 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
| 304 |
path.append(toShape(polygon), false);
|
| 305 |
} |
| 306 |
|
| 307 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 308 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 309 |
return path;
|
| 310 |
} |
| 311 |
/**
|
| 312 |
*
|
| 313 |
*
|
| 314 |
* @param coord
|
| 315 |
*
|
| 316 |
* @return
|
| 317 |
*/
|
| 318 |
public static FPoint2D coordinate2FPoint2D(Coordinate coord) { |
| 319 |
return new FPoint2D(coord.x, coord.y); //,coord.z); |
| 320 |
} |
| 321 |
|
| 322 |
/**
|
| 323 |
* Convierte una Geometry de JTS a GeneralPathX.
|
| 324 |
*
|
| 325 |
* @param geometry Geometry a convertir.
|
| 326 |
*
|
| 327 |
* @return GeneralPathX.
|
| 328 |
*
|
| 329 |
* @throws NoninvertibleTransformException
|
| 330 |
* @throws IllegalArgumentException
|
| 331 |
*/
|
| 332 |
public static GeneralPathX toShape(Geometry geometry) |
| 333 |
throws NoninvertibleTransformException { |
| 334 |
if (geometry.isEmpty()) {
|
| 335 |
return new GeneralPathX(); |
| 336 |
} |
| 337 |
|
| 338 |
if (geometry instanceof Polygon) { |
| 339 |
return toShape((Polygon) geometry); |
| 340 |
} |
| 341 |
|
| 342 |
if (geometry instanceof MultiPolygon) { |
| 343 |
return toShape((MultiPolygon) geometry);
|
| 344 |
} |
| 345 |
|
| 346 |
if (geometry instanceof LineString) { |
| 347 |
return toShape((LineString) geometry);
|
| 348 |
} |
| 349 |
|
| 350 |
if (geometry instanceof MultiLineString) { |
| 351 |
return toShape((MultiLineString) geometry);
|
| 352 |
} |
| 353 |
|
| 354 |
if (geometry instanceof GeometryCollection) { |
| 355 |
return toShape((GeometryCollection) geometry);
|
| 356 |
} |
| 357 |
|
| 358 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
| 359 |
geometry.getClass()); |
| 360 |
} |
| 361 |
|
| 362 |
|
| 363 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
| 364 |
GeneralPathX newGp = new GeneralPathX();
|
| 365 |
PathIterator theIterator;
|
| 366 |
int theType;
|
| 367 |
int numParts = 0; |
| 368 |
double[] theData = new double[6]; |
| 369 |
Point2D ptDst = new Point2D.Double(); |
| 370 |
Point2D ptSrc = new Point2D.Double(); |
| 371 |
boolean bFirst = true; |
| 372 |
int xInt, yInt, antX = -1, antY = -1; |
| 373 |
|
| 374 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 375 |
|
| 376 |
while (!theIterator.isDone()) {
|
| 377 |
theType = theIterator.currentSegment(theData); |
| 378 |
switch (theType) {
|
| 379 |
case PathIterator.SEG_MOVETO: |
| 380 |
numParts++; |
| 381 |
ptSrc.setLocation(theData[0], theData[1]); |
| 382 |
at.transform(ptSrc, ptDst); |
| 383 |
antX = (int) ptDst.getX();
|
| 384 |
antY = (int) ptDst.getY();
|
| 385 |
newGp.moveTo(antX, antY); |
| 386 |
bFirst = true;
|
| 387 |
break;
|
| 388 |
|
| 389 |
case PathIterator.SEG_LINETO: |
| 390 |
ptSrc.setLocation(theData[0], theData[1]); |
| 391 |
at.transform(ptSrc, ptDst); |
| 392 |
xInt = (int) ptDst.getX();
|
| 393 |
yInt = (int) ptDst.getY();
|
| 394 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
| 395 |
{
|
| 396 |
newGp.lineTo(xInt, yInt); |
| 397 |
antX = xInt; |
| 398 |
antY = yInt; |
| 399 |
bFirst = false;
|
| 400 |
} |
| 401 |
break;
|
| 402 |
|
| 403 |
case PathIterator.SEG_QUADTO: |
| 404 |
logger.error("Not supported here SEG_QUADTO");
|
| 405 |
|
| 406 |
break;
|
| 407 |
|
| 408 |
case PathIterator.SEG_CUBICTO: |
| 409 |
logger.error("Not supported here SEG_CUBICTO");
|
| 410 |
|
| 411 |
break;
|
| 412 |
|
| 413 |
case PathIterator.SEG_CLOSE: |
| 414 |
newGp.closePath(); |
| 415 |
|
| 416 |
break;
|
| 417 |
} //end switch
|
| 418 |
|
| 419 |
theIterator.next(); |
| 420 |
} //end while loop
|
| 421 |
|
| 422 |
return newGp;
|
| 423 |
} |
| 424 |
public static FShape transformToInts(IGeometry gp, AffineTransform at) { |
| 425 |
GeneralPathX newGp = new GeneralPathX();
|
| 426 |
double[] theData = new double[6]; |
| 427 |
double[] aux = new double[6]; |
| 428 |
|
| 429 |
// newGp.reset();
|
| 430 |
PathIterator theIterator;
|
| 431 |
int theType;
|
| 432 |
int numParts = 0; |
| 433 |
|
| 434 |
Point2D ptDst = new Point2D.Double(); |
| 435 |
Point2D ptSrc = new Point2D.Double(); |
| 436 |
boolean bFirst = true; |
| 437 |
int xInt, yInt, antX = -1, antY = -1; |
| 438 |
|
| 439 |
|
| 440 |
theIterator = gp.getPathIterator(null); //, flatness); |
| 441 |
int numSegmentsAdded = 0; |
| 442 |
while (!theIterator.isDone()) {
|
| 443 |
theType = theIterator.currentSegment(theData); |
| 444 |
|
| 445 |
switch (theType) {
|
| 446 |
case PathIterator.SEG_MOVETO: |
| 447 |
numParts++; |
| 448 |
ptSrc.setLocation(theData[0], theData[1]); |
| 449 |
at.transform(ptSrc, ptDst); |
| 450 |
antX = (int) ptDst.getX();
|
| 451 |
antY = (int) ptDst.getY();
|
| 452 |
newGp.moveTo(antX, antY); |
| 453 |
numSegmentsAdded++; |
| 454 |
bFirst = true;
|
| 455 |
break;
|
| 456 |
|
| 457 |
case PathIterator.SEG_LINETO: |
| 458 |
ptSrc.setLocation(theData[0], theData[1]); |
| 459 |
at.transform(ptSrc, ptDst); |
| 460 |
xInt = (int) ptDst.getX();
|
| 461 |
yInt = (int) ptDst.getY();
|
| 462 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
| 463 |
{
|
| 464 |
newGp.lineTo(xInt, yInt); |
| 465 |
antX = xInt; |
| 466 |
antY = yInt; |
| 467 |
bFirst = false;
|
| 468 |
numSegmentsAdded++; |
| 469 |
} |
| 470 |
break;
|
| 471 |
|
| 472 |
case PathIterator.SEG_QUADTO: |
| 473 |
at.transform(theData,0,aux,0,2); |
| 474 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
| 475 |
numSegmentsAdded++; |
| 476 |
break;
|
| 477 |
|
| 478 |
case PathIterator.SEG_CUBICTO: |
| 479 |
at.transform(theData,0,aux,0,3); |
| 480 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
| 481 |
numSegmentsAdded++; |
| 482 |
break;
|
| 483 |
|
| 484 |
case PathIterator.SEG_CLOSE: |
| 485 |
if (numSegmentsAdded < 3) |
| 486 |
newGp.lineTo(antX, antY); |
| 487 |
newGp.closePath(); |
| 488 |
|
| 489 |
break;
|
| 490 |
} //end switch
|
| 491 |
|
| 492 |
theIterator.next(); |
| 493 |
} //end while loop
|
| 494 |
FShape shp = null;
|
| 495 |
switch (gp.getGeometryType())
|
| 496 |
{
|
| 497 |
case FShape.POINT: //Tipo punto |
| 498 |
case FShape.POINT + FShape.Z:
|
| 499 |
shp = new FPoint2D(ptDst.getX(), ptDst.getY());
|
| 500 |
break;
|
| 501 |
|
| 502 |
case FShape.LINE:
|
| 503 |
case FShape.LINE + FShape.Z:
|
| 504 |
case FShape.ARC:
|
| 505 |
shp = new FPolyline2D(newGp);
|
| 506 |
break;
|
| 507 |
|
| 508 |
case FShape.POLYGON:
|
| 509 |
case FShape.POLYGON + FShape.Z:
|
| 510 |
case FShape.CIRCLE:
|
| 511 |
case FShape.ELLIPSE:
|
| 512 |
|
| 513 |
shp = new FPolygon2D(newGp);
|
| 514 |
break;
|
| 515 |
} |
| 516 |
return shp;
|
| 517 |
} |
| 518 |
|
| 519 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) |
| 520 |
{
|
| 521 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
| 522 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
| 523 |
return r;
|
| 524 |
} |
| 525 |
|
| 526 |
public static Envelope convertRectangle2DtoEnvelope(Rectangle2D r) |
| 527 |
{
|
| 528 |
Envelope e = new Envelope(r.getX(), r.getX() + r.getWidth(), r.getY(),
|
| 529 |
r.getY() + r.getHeight()); |
| 530 |
return e;
|
| 531 |
} |
| 532 |
|
| 533 |
/**
|
| 534 |
* Return a correct polygon (no hole)
|
| 535 |
* @param coordinates
|
| 536 |
* @return
|
| 537 |
*/
|
| 538 |
public static IGeometry getExteriorPolygon(Coordinate[] coordinates) |
| 539 |
{
|
| 540 |
// isCCW = true => it's a hole
|
| 541 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
| 542 |
if (CGAlgorithms.isCCW(coordinates)){
|
| 543 |
for (int i=vs.length-1;i>=0;i--){ |
| 544 |
vs[i]=coordinates[i]; |
| 545 |
} |
| 546 |
}else{
|
| 547 |
vs=coordinates; |
| 548 |
} |
| 549 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 550 |
|
| 551 |
try {
|
| 552 |
return ShapeFactory.createPolygon2D(toShape(ring));
|
| 553 |
} catch (NoninvertibleTransformException e) { |
| 554 |
e.printStackTrace(); |
| 555 |
} |
| 556 |
return null; |
| 557 |
} |
| 558 |
|
| 559 |
public static boolean isCCW(Point2D[] points) |
| 560 |
{
|
| 561 |
Coordinate[] vs=new Coordinate[points.length]; |
| 562 |
for (int i=points.length-1;i>=0;i--){ |
| 563 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
| 564 |
} |
| 565 |
|
| 566 |
return CGAlgorithms.isCCW(vs);
|
| 567 |
} |
| 568 |
|
| 569 |
public static boolean isCCW(FPolygon2D pol) |
| 570 |
{
|
| 571 |
return true; |
| 572 |
} |
| 573 |
|
| 574 |
|
| 575 |
/**
|
| 576 |
* Return a hole (CCW ordered points)
|
| 577 |
* @param coordinates
|
| 578 |
* @return
|
| 579 |
*/
|
| 580 |
public static IGeometry getHole(Coordinate[] coordinates) |
| 581 |
{
|
| 582 |
// isCCW = true => it's a hole
|
| 583 |
Coordinate[] vs=new Coordinate[coordinates.length]; |
| 584 |
if (CGAlgorithms.isCCW(coordinates)){
|
| 585 |
vs=coordinates; |
| 586 |
|
| 587 |
}else{
|
| 588 |
for (int i=vs.length-1;i>=0;i--){ |
| 589 |
vs[i]=coordinates[i]; |
| 590 |
} |
| 591 |
} |
| 592 |
LinearRing ring = geomFactory.createLinearRing(vs); |
| 593 |
|
| 594 |
try {
|
| 595 |
return ShapeFactory.createPolygon2D(toShape(ring));
|
| 596 |
} catch (NoninvertibleTransformException e) { |
| 597 |
e.printStackTrace(); |
| 598 |
} |
| 599 |
return null; |
| 600 |
} |
| 601 |
|
| 602 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
| 603 |
Area area = new Area(gp); |
| 604 |
area.isSingular(); |
| 605 |
return area;
|
| 606 |
|
| 607 |
|
| 608 |
|
| 609 |
} |
| 610 |
/**
|
| 611 |
* Use it ONLY for NOT multipart polygons.
|
| 612 |
* @param pol
|
| 613 |
* @return
|
| 614 |
*/
|
| 615 |
public static IGeometry getNotHolePolygon(FPolygon2D pol) { |
| 616 |
// isCCW == true => hole
|
| 617 |
Coordinate[] coords;
|
| 618 |
ArrayList arrayCoords = null; |
| 619 |
int theType;
|
| 620 |
int numParts = 0; |
| 621 |
|
| 622 |
// Use this array to store segment coordinate data
|
| 623 |
double[] theData = new double[6]; |
| 624 |
PathIterator theIterator;
|
| 625 |
|
| 626 |
ArrayList shells = new ArrayList(); |
| 627 |
ArrayList holes = new ArrayList(); |
| 628 |
Coordinate[] points = null; |
| 629 |
|
| 630 |
theIterator = pol.getPathIterator(null, FLATNESS);
|
| 631 |
|
| 632 |
while (!theIterator.isDone()) {
|
| 633 |
//while not done
|
| 634 |
theType = theIterator.currentSegment(theData); |
| 635 |
|
| 636 |
//Populate a segment of the new
|
| 637 |
// GeneralPathX object.
|
| 638 |
//Process the current segment to populate a new
|
| 639 |
// segment of the new GeneralPathX object.
|
| 640 |
switch (theType) {
|
| 641 |
case PathIterator.SEG_MOVETO: |
| 642 |
|
| 643 |
// System.out.println("SEG_MOVETO");
|
| 644 |
if (arrayCoords == null) { |
| 645 |
arrayCoords = new ArrayList(); |
| 646 |
} else {
|
| 647 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 648 |
|
| 649 |
try {
|
| 650 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 651 |
|
| 652 |
if (CGAlgorithms.isCCW(points)) {
|
| 653 |
holes.add(ring); |
| 654 |
} else {
|
| 655 |
shells.add(ring); |
| 656 |
} |
| 657 |
} catch (Exception e) { |
| 658 |
logger.error("Catch topology exception in GMLLinearRingHandler");
|
| 659 |
|
| 660 |
return null; |
| 661 |
} |
| 662 |
|
| 663 |
/* if (numParts == 1)
|
| 664 |
{
|
| 665 |
linRingExt = new GeometryFactory().createLinearRing(
|
| 666 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 667 |
}
|
| 668 |
else
|
| 669 |
{
|
| 670 |
linRing = new GeometryFactory().createLinearRing(
|
| 671 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 672 |
arrayLines.add(linRing);
|
| 673 |
} */
|
| 674 |
arrayCoords = new ArrayList(); |
| 675 |
} |
| 676 |
|
| 677 |
numParts++; |
| 678 |
arrayCoords.add(new Coordinate(theData[0], |
| 679 |
theData[1]));
|
| 680 |
|
| 681 |
break;
|
| 682 |
|
| 683 |
case PathIterator.SEG_LINETO: |
| 684 |
|
| 685 |
// System.out.println("SEG_LINETO");
|
| 686 |
arrayCoords.add(new Coordinate(theData[0], |
| 687 |
theData[1]));
|
| 688 |
|
| 689 |
break;
|
| 690 |
|
| 691 |
case PathIterator.SEG_QUADTO: |
| 692 |
logger.error("SEG_QUADTO Not supported here");
|
| 693 |
|
| 694 |
break;
|
| 695 |
|
| 696 |
case PathIterator.SEG_CUBICTO: |
| 697 |
logger.error("SEG_CUBICTO Not supported here");
|
| 698 |
|
| 699 |
break;
|
| 700 |
|
| 701 |
case PathIterator.SEG_CLOSE: |
| 702 |
|
| 703 |
// A?adimos el primer punto para cerrar.
|
| 704 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 705 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
| 706 |
firstCoord.y)); |
| 707 |
|
| 708 |
break;
|
| 709 |
} //end switch
|
| 710 |
|
| 711 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
| 712 |
theIterator.next(); |
| 713 |
} //end while loop
|
| 714 |
|
| 715 |
arrayCoords.add(arrayCoords.get(0));
|
| 716 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 717 |
|
| 718 |
|
| 719 |
if (numParts == 1) |
| 720 |
{
|
| 721 |
return getExteriorPolygon(coords);
|
| 722 |
} |
| 723 |
return ShapeFactory.createGeometry(pol);
|
| 724 |
|
| 725 |
} |
| 726 |
|
| 727 |
|
| 728 |
/* public static GeometryCollection convertFGeometryCollection(FGeometryCollection fGeomC)
|
| 729 |
{
|
| 730 |
|
| 731 |
geomFactory.createGeometryCollection(theGeoms);
|
| 732 |
} */
|
| 733 |
} |