root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / util / Converter.java @ 38185
History | View | Annotate | Download (37.5 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 com.vividsolutions.jts.algorithm.CGAlgorithms; |
53 |
import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
54 |
import com.vividsolutions.jts.geom.Coordinate; |
55 |
import com.vividsolutions.jts.geom.CoordinateArrays; |
56 |
import com.vividsolutions.jts.geom.Envelope; |
57 |
import com.vividsolutions.jts.geom.GeometryCollection; |
58 |
import com.vividsolutions.jts.geom.LineString; |
59 |
import com.vividsolutions.jts.geom.LinearRing; |
60 |
import com.vividsolutions.jts.geom.MultiLineString; |
61 |
import com.vividsolutions.jts.geom.MultiPolygon; |
62 |
import com.vividsolutions.jts.geom.Point; |
63 |
import com.vividsolutions.jts.geom.Polygon; |
64 |
|
65 |
import org.slf4j.Logger; |
66 |
import org.slf4j.LoggerFactory; |
67 |
|
68 |
import org.gvsig.fmap.geom.Geometry; |
69 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
70 |
import org.gvsig.fmap.geom.Geometry.TYPES; |
71 |
import org.gvsig.fmap.geom.GeometryLocator; |
72 |
import org.gvsig.fmap.geom.GeometryManager; |
73 |
import org.gvsig.fmap.geom.aggregate.MultiCurve; |
74 |
import org.gvsig.fmap.geom.aggregate.MultiPoint; |
75 |
import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
76 |
import org.gvsig.fmap.geom.aggregate.MultiSurface; |
77 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
78 |
import org.gvsig.fmap.geom.primitive.GeneralPathX; |
79 |
import org.gvsig.fmap.geom.primitive.Surface; |
80 |
|
81 |
/**
|
82 |
* Clase con varios m?todos est?ticos utilizados para pasar de java2d a jts
|
83 |
* y viceversa.
|
84 |
*
|
85 |
* @author fjp
|
86 |
* @deprecated to be removed or moved from API to implementation in gvSIG 2.1.0
|
87 |
*/
|
88 |
public class Converter { |
89 |
private static final GeometryManager geomManager = GeometryLocator |
90 |
.getGeometryManager(); |
91 |
private static final Logger logger = LoggerFactory |
92 |
.getLogger(Converter.class); |
93 |
|
94 |
// private static Logger logger = Logger.getLogger(Converter.class);
|
95 |
|
96 |
/**
|
97 |
* ?QU? PODEMOS HACER CON LOS MULTIPOINT??? => DEBER?AMOS TRABAJAR CON
|
98 |
* UN ARRAY DE PUNTOS EN FShape.....Pensarlo bien.
|
99 |
*/
|
100 |
public final static com.vividsolutions.jts.geom.GeometryFactory geomFactory = new com.vividsolutions.jts.geom.GeometryFactory(); |
101 |
public static CGAlgorithms cga = new RobustCGAlgorithms(); |
102 |
// private final static AffineTransform at = new AffineTransform();
|
103 |
// private static double POINT_MARKER_SIZE = 3.0;
|
104 |
|
105 |
private static GeometryManager manager = GeometryLocator |
106 |
.getGeometryManager(); |
107 |
|
108 |
// returns true if testPoint is a point in the pointList list.
|
109 |
static boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
110 |
int t;
|
111 |
int numpoints;
|
112 |
Coordinate p; |
113 |
|
114 |
numpoints = Array.getLength(pointList);
|
115 |
|
116 |
for (t = 0; t < numpoints; t++) { |
117 |
p = pointList[t]; |
118 |
|
119 |
if ((testPoint.x == p.x)
|
120 |
&& (testPoint.y == p.y) |
121 |
&& ((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) // nan
|
122 |
// test;
|
123 |
// x!=x
|
124 |
// iff
|
125 |
// x
|
126 |
// is
|
127 |
// nan
|
128 |
) { |
129 |
return true; |
130 |
} |
131 |
} |
132 |
|
133 |
return false; |
134 |
} |
135 |
|
136 |
/**
|
137 |
* Receives a JTS Geometry and returns a fmap IGeometry
|
138 |
*
|
139 |
* @param jtsGeometry
|
140 |
* jts Geometry
|
141 |
* @return IGeometry of FMap
|
142 |
* @author azabala
|
143 |
* @throws CreateGeometryException
|
144 |
*/
|
145 |
public static Geometry jtsToGeometry( |
146 |
com.vividsolutions.jts.geom.Geometry geo) |
147 |
throws CreateGeometryException {
|
148 |
Geometry shpNew = null;
|
149 |
|
150 |
try {
|
151 |
if (geo instanceof Point) { |
152 |
shpNew = geomManager.createPoint(((Point) geo).getX(),
|
153 |
((Point) geo).getY(), SUBTYPES.GEOM2D);
|
154 |
} |
155 |
|
156 |
if (geo.isEmpty()) {
|
157 |
shpNew = null;
|
158 |
} |
159 |
|
160 |
try {
|
161 |
if (geo instanceof Polygon) { |
162 |
shpNew = geomManager.createSurface(toShape((Polygon) geo),
|
163 |
SUBTYPES.GEOM2D); |
164 |
} |
165 |
|
166 |
if (geo instanceof MultiPolygon) { |
167 |
shpNew = geomManager.createSurface( |
168 |
toShape((MultiPolygon) geo), SUBTYPES.GEOM2D); |
169 |
} |
170 |
|
171 |
if (geo instanceof LineString) { |
172 |
shpNew = geomManager.createCurve(toShape((LineString) geo), |
173 |
SUBTYPES.GEOM2D); |
174 |
} |
175 |
|
176 |
if (geo instanceof MultiLineString) { |
177 |
shpNew = geomManager.createCurve( |
178 |
toShape((MultiLineString) geo), SUBTYPES.GEOM2D); |
179 |
} |
180 |
} catch (CreateGeometryException e) {
|
181 |
logger.error("Error creating a geometry", e);
|
182 |
} |
183 |
|
184 |
/*
|
185 |
* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN
|
186 |
* GeometryCollection No sabremos si queremos una l?nea o un
|
187 |
* pol?gono..... if (geometry instanceof GeometryCollection) {
|
188 |
* return toShape((GeometryCollection) geometry); }
|
189 |
*/
|
190 |
return shpNew;
|
191 |
} catch (NoninvertibleTransformException e) { |
192 |
// TODO Auto-generated catch block
|
193 |
e.printStackTrace(); |
194 |
} |
195 |
|
196 |
return null; |
197 |
|
198 |
//
|
199 |
// FShape shape = Converter.jts_to_java2d(jtsGeometry);
|
200 |
// return factory.createGeometry(shape);
|
201 |
} |
202 |
|
203 |
/**
|
204 |
* Convierte un MultiPoint2D a un MultiPoint de JTS
|
205 |
*
|
206 |
* @param geom
|
207 |
* @return
|
208 |
*/
|
209 |
public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiPoint geom) {
|
210 |
Coordinate[] theGeoms = new Coordinate[geom.getPrimitivesNumber()]; |
211 |
for (int i = 0; i < theGeoms.length; i++) { |
212 |
java.awt.geom.Point2D p = geom.getPrimitiveAt(i).getHandlers( |
213 |
Geometry.SELECTHANDLER)[0].getPoint();
|
214 |
Coordinate c = new Coordinate(p.getX(), p.getY());
|
215 |
theGeoms[i] = c; |
216 |
} |
217 |
com.vividsolutions.jts.geom.MultiPoint geomCol = new com.vividsolutions.jts.geom.GeometryFactory()
|
218 |
.createMultiPoint(theGeoms); |
219 |
return geomCol;
|
220 |
} |
221 |
|
222 |
/**
|
223 |
* Convierte una MultiCurve2D en una MultiLineString de JTS
|
224 |
*
|
225 |
* @param geom
|
226 |
* @return
|
227 |
*/
|
228 |
public static com.vividsolutions.jts.geom.Geometry geometryToJts( |
229 |
MultiCurve geom) { |
230 |
LineString[] lines = new LineString[geom.getPrimitivesNumber()]; |
231 |
for (int i = 0; i < lines.length; i++) { |
232 |
lines[i] = (LineString) geometryToJts((geom.getPrimitiveAt(i))); |
233 |
} |
234 |
return new com.vividsolutions.jts.geom.GeometryFactory() |
235 |
.createMultiLineString(lines); |
236 |
} |
237 |
|
238 |
/**
|
239 |
* Convierte una MultiSurface2D en un MultiPolygon de JTS
|
240 |
*
|
241 |
* @return
|
242 |
*/
|
243 |
public com.vividsolutions.jts.geom.Geometry geometryToJts(MultiSurface geom) {
|
244 |
Polygon[] polygons = new Polygon[geom.getPrimitivesNumber()]; |
245 |
for (int i = 0; i < polygons.length; i++) { |
246 |
polygons[i] = (Polygon) geometryToJts((geom.getPrimitiveAt(i)));
|
247 |
} |
248 |
return new com.vividsolutions.jts.geom.GeometryFactory() |
249 |
.createMultiPolygon(polygons); |
250 |
} |
251 |
|
252 |
/**
|
253 |
* Convierte una BaseMultiPrimitive en una GeometryCollection de JTS
|
254 |
*
|
255 |
* @return
|
256 |
*/
|
257 |
public com.vividsolutions.jts.geom.Geometry geometryToJts(
|
258 |
MultiPrimitive geom) { |
259 |
com.vividsolutions.jts.geom.Geometry[] geometriesAux = new LineString[geom |
260 |
.getPrimitivesNumber()]; |
261 |
for (int i = 0; i < geometriesAux.length; i++) { |
262 |
geometriesAux[i] = geometryToJts((geom.getPrimitiveAt(i))); |
263 |
} |
264 |
return new com.vividsolutions.jts.geom.GeometryFactory() |
265 |
.createGeometryCollection(geometriesAux); |
266 |
} |
267 |
|
268 |
public static com.vividsolutions.jts.geom.Geometry geometryToJtsWithSRID( |
269 |
Geometry geom, int srid) {
|
270 |
// logger.debug(geom.getClass());
|
271 |
// logger.debug(new Integer(geom.getShapeType()));
|
272 |
return geometryToJts(geom, geom.getType(), srid);
|
273 |
} |
274 |
|
275 |
public static com.vividsolutions.jts.geom.Geometry geometryToJts( |
276 |
Geometry geom) { |
277 |
// logger.debug(geom.getClass());
|
278 |
// logger.debug(new Integer(geom.getShapeType()));
|
279 |
return geometryToJts(geom, geom.getType(), -1); |
280 |
} |
281 |
|
282 |
// public static com.vividsolutions.jts.geom.Geometry java2d_to_jts(FShape
|
283 |
// shp) {
|
284 |
// return java2d_to_jts(shp, shp.getShapeType());
|
285 |
// }
|
286 |
|
287 |
private static boolean isClosed(Coordinate firstCoordinate, |
288 |
Coordinate lastCoordinate) { |
289 |
double diff = Math.abs(lastCoordinate.x - firstCoordinate.x); |
290 |
if (diff > 0.000001) { |
291 |
return false; |
292 |
} |
293 |
diff = Math.abs(lastCoordinate.y - firstCoordinate.y);
|
294 |
if (diff > 0.000001) { |
295 |
return false; |
296 |
} |
297 |
return true; |
298 |
} |
299 |
|
300 |
/**
|
301 |
* Convierte un FShape a una Geometry del JTS. Para ello, utilizamos un
|
302 |
* "flattened PathIterator". El flattened indica que las curvas las pasa a
|
303 |
* segmentos de l?nea recta AUTOMATICAMENTE!!!.
|
304 |
*
|
305 |
* @param shp
|
306 |
* FShape que se quiere convertir.
|
307 |
*
|
308 |
* @return Geometry de JTS.
|
309 |
*/
|
310 |
private static com.vividsolutions.jts.geom.Geometry geometryToJts( |
311 |
Geometry shp, int shapeType, int srid) { |
312 |
|
313 |
com.vividsolutions.jts.geom.Geometry geoJTS = null;
|
314 |
Coordinate coord; |
315 |
// Coordinate[] coords;
|
316 |
ArrayList arrayCoords = null; |
317 |
ArrayList arrayLines;
|
318 |
LineString lin; |
319 |
// LinearRing linRing;
|
320 |
// LinearRing linRingExt = null;
|
321 |
int theType;
|
322 |
int numParts = 0; |
323 |
|
324 |
// Use this array to store segment coordinate data
|
325 |
double[] theData = new double[6]; |
326 |
PathIterator theIterator;
|
327 |
|
328 |
// logger.debug(shp.toString());
|
329 |
|
330 |
switch (shapeType) {
|
331 |
case Geometry.TYPES.POINT:
|
332 |
org.gvsig.fmap.geom.primitive.impl.Point2D p = (org.gvsig.fmap.geom.primitive.impl.Point2D) shp; |
333 |
coord = new Coordinate(p.getX(), p.getY());
|
334 |
geoJTS = geomFactory.createPoint(coord); |
335 |
geoJTS.setSRID(srid); |
336 |
|
337 |
break;
|
338 |
|
339 |
case Geometry.TYPES.MULTIPOINT:
|
340 |
org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D mp = (org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D) shp; |
341 |
int numPoints = mp.getPrimitivesNumber();
|
342 |
Coordinate[] coordinates = new Coordinate[numPoints]; |
343 |
for (int i = 0; i < numPoints; i++) { |
344 |
p = mp.getPoint(i); |
345 |
coordinates[i] = new Coordinate(p.getX(), p.getY());
|
346 |
} |
347 |
geoJTS = geomFactory.createMultiPoint(coordinates); |
348 |
geoJTS.setSRID(srid); |
349 |
|
350 |
break;
|
351 |
|
352 |
case Geometry.TYPES.CURVE:
|
353 |
case Geometry.TYPES.ARC:
|
354 |
case Geometry.TYPES.SPLINE:
|
355 |
arrayLines = new ArrayList(); |
356 |
theIterator = shp.getPathIterator(null, manager.getFlatness());
|
357 |
|
358 |
while (!theIterator.isDone()) {
|
359 |
// while not done
|
360 |
theType = theIterator.currentSegment(theData); |
361 |
|
362 |
// Populate a segment of the new
|
363 |
// GeneralPathX object.
|
364 |
// Process the current segment to populate a new
|
365 |
// segment of the new GeneralPathX object.
|
366 |
switch (theType) {
|
367 |
case PathIterator.SEG_MOVETO: |
368 |
|
369 |
// System.out.println("SEG_MOVETO");
|
370 |
if (arrayCoords == null) { |
371 |
arrayCoords = new ArrayList(); |
372 |
} else {
|
373 |
lin = geomFactory.createLineString(CoordinateArrays |
374 |
.toCoordinateArray(arrayCoords)); |
375 |
lin.setSRID(srid); |
376 |
arrayLines.add(lin); |
377 |
arrayCoords = new ArrayList(); |
378 |
} |
379 |
|
380 |
numParts++; |
381 |
coord = new Coordinate(theData[0], theData[1]); |
382 |
|
383 |
arrayCoords.add(coord); |
384 |
|
385 |
break;
|
386 |
|
387 |
case PathIterator.SEG_LINETO: |
388 |
|
389 |
// System.out.println("SEG_LINETO");
|
390 |
arrayCoords.add(new Coordinate(theData[0], theData[1])); |
391 |
|
392 |
break;
|
393 |
|
394 |
case PathIterator.SEG_QUADTO: |
395 |
System.out.println("Not supported here"); |
396 |
|
397 |
break;
|
398 |
|
399 |
case PathIterator.SEG_CUBICTO: |
400 |
System.out.println("Not supported here"); |
401 |
|
402 |
break;
|
403 |
|
404 |
case PathIterator.SEG_CLOSE: |
405 |
// A?adimos el primer punto para cerrar.
|
406 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
407 |
// Solo anyadimos cuando no esta ya cerrado
|
408 |
arrayCoords.add(new Coordinate(firstCoord.x, firstCoord.y));
|
409 |
|
410 |
break;
|
411 |
} // end switch
|
412 |
|
413 |
theIterator.next(); |
414 |
} // end while loop
|
415 |
|
416 |
if (arrayCoords.size() < 2) { |
417 |
break;
|
418 |
} |
419 |
lin = new com.vividsolutions.jts.geom.GeometryFactory()
|
420 |
.createLineString(CoordinateArrays |
421 |
.toCoordinateArray(arrayCoords)); |
422 |
|
423 |
lin.setSRID(srid); |
424 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
425 |
// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
426 |
// O CON GEOTOOLS
|
427 |
// if (numParts > 1) // Generamos una MultiLineString
|
428 |
// {
|
429 |
arrayLines.add(lin); |
430 |
geoJTS = geomFactory |
431 |
.createMultiLineString(com.vividsolutions.jts.geom.GeometryFactory |
432 |
.toLineStringArray(arrayLines)); |
433 |
geoJTS.setSRID(srid); |
434 |
/*
|
435 |
* } else { geoJTS = lin; }
|
436 |
*/
|
437 |
|
438 |
break;
|
439 |
|
440 |
case Geometry.TYPES.SURFACE:
|
441 |
case Geometry.TYPES.CIRCLE:
|
442 |
case Geometry.TYPES.ELLIPSE:
|
443 |
arrayLines = new ArrayList(); |
444 |
|
445 |
ArrayList shells = new ArrayList(); |
446 |
ArrayList holes = new ArrayList(); |
447 |
Coordinate[] points = null; |
448 |
|
449 |
theIterator = shp.getPathIterator(null, manager.getFlatness());
|
450 |
|
451 |
while (!theIterator.isDone()) {
|
452 |
// while not done
|
453 |
theType = theIterator.currentSegment(theData); |
454 |
|
455 |
// Populate a segment of the new
|
456 |
// GeneralPathX object.
|
457 |
// Process the current segment to populate a new
|
458 |
// segment of the new GeneralPathX object.
|
459 |
switch (theType) {
|
460 |
case PathIterator.SEG_MOVETO: |
461 |
|
462 |
// System.out.println("SEG_MOVETO");
|
463 |
if (arrayCoords == null) { |
464 |
arrayCoords = new ArrayList(); |
465 |
} else {
|
466 |
points = CoordinateArrays |
467 |
.toCoordinateArray(arrayCoords); |
468 |
|
469 |
try {
|
470 |
LinearRing ring = geomFactory |
471 |
.createLinearRing(points); |
472 |
|
473 |
if (CGAlgorithms.isCCW(points)) {
|
474 |
holes.add(ring); |
475 |
} else {
|
476 |
shells.add(ring); |
477 |
} |
478 |
} catch (Exception e) { |
479 |
/*
|
480 |
* (jaume) caso cuando todos los puntos son iguales
|
481 |
* devuelvo el propio punto
|
482 |
*/
|
483 |
boolean same = true; |
484 |
for (int i = 0; i < points.length - 1 && same; i++) { |
485 |
if (points[i].x != points[i + 1].x |
486 |
|| points[i].y != points[i + 1].y /* |
487 |
* ||
|
488 |
* points
|
489 |
* [i].z
|
490 |
* !=
|
491 |
* points
|
492 |
* [
|
493 |
* i+1].
|
494 |
* z
|
495 |
*/
|
496 |
) { |
497 |
same = false;
|
498 |
} |
499 |
} |
500 |
if (same) {
|
501 |
return geomFactory.createPoint(points[0]); |
502 |
} |
503 |
/*
|
504 |
* caso cuando es una l?nea de 3 puntos, no creo
|
505 |
* un LinearRing, sino una linea
|
506 |
*/
|
507 |
if (points.length > 1 && points.length <= 3) { |
508 |
// return geomFactory.createLineString(points);
|
509 |
return geomFactory
|
510 |
.createMultiLineString(new LineString[] { geomFactory |
511 |
.createLineString(points) }); |
512 |
} |
513 |
|
514 |
System.err
|
515 |
.println("Caught Topology exception in GMLLinearRingHandler");
|
516 |
|
517 |
return null; |
518 |
} |
519 |
|
520 |
/*
|
521 |
* if (numParts == 1) { linRingExt = new
|
522 |
* GeometryFactory().createLinearRing(
|
523 |
* CoordinateArrays.toCoordinateArray(arrayCoords)); }
|
524 |
* else { linRing = new
|
525 |
* GeometryFactory().createLinearRing(
|
526 |
* CoordinateArrays.toCoordinateArray(arrayCoords));
|
527 |
* arrayLines.add(linRing); }
|
528 |
*/
|
529 |
arrayCoords = new ArrayList(); |
530 |
} |
531 |
|
532 |
numParts++; |
533 |
arrayCoords.add(new Coordinate(theData[0], theData[1])); |
534 |
|
535 |
break;
|
536 |
|
537 |
case PathIterator.SEG_LINETO: |
538 |
|
539 |
// System.out.println("SEG_LINETO");
|
540 |
arrayCoords.add(new Coordinate(theData[0], theData[1])); |
541 |
|
542 |
break;
|
543 |
|
544 |
case PathIterator.SEG_QUADTO: |
545 |
System.out.println("SEG_QUADTO Not supported here"); |
546 |
|
547 |
break;
|
548 |
|
549 |
case PathIterator.SEG_CUBICTO: |
550 |
System.out.println("SEG_CUBICTO Not supported here"); |
551 |
|
552 |
break;
|
553 |
|
554 |
case PathIterator.SEG_CLOSE: |
555 |
|
556 |
// A?adimos el primer punto para cerrar.
|
557 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
558 |
arrayCoords.add(new Coordinate(firstCoord.x, firstCoord.y));
|
559 |
|
560 |
break;
|
561 |
} // end switch
|
562 |
|
563 |
// System.out.println("theData[0] = " + theData[0] +
|
564 |
// " theData[1]=" + theData[1]);
|
565 |
theIterator.next(); |
566 |
} // end while loop
|
567 |
|
568 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
569 |
Coordinate lastCoord = (Coordinate) arrayCoords.get(arrayCoords |
570 |
.size() - 1);
|
571 |
if (!isClosed(firstCoord, lastCoord)) {
|
572 |
arrayCoords.add(firstCoord); |
573 |
} |
574 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
575 |
|
576 |
try {
|
577 |
LinearRing ring = geomFactory.createLinearRing(points); |
578 |
|
579 |
if (CGAlgorithms.isCCW(points)) {
|
580 |
holes.add(ring); |
581 |
} else {
|
582 |
shells.add(ring); |
583 |
} |
584 |
ring.setSRID(srid); |
585 |
} catch (Exception e) { |
586 |
/*
|
587 |
* (jaume) caso cuando todos los puntos son iguales devuelvo el
|
588 |
* propio punto
|
589 |
*/
|
590 |
boolean same = true; |
591 |
for (int i = 0; i < points.length - 1 && same; i++) { |
592 |
if (points[i].x != points[i + 1].x |
593 |
|| points[i].y != points[i + 1].y /* |
594 |
* || points[i].z !=
|
595 |
* points[i+1].z
|
596 |
*/
|
597 |
) { |
598 |
same = false;
|
599 |
} |
600 |
} |
601 |
if (same) {
|
602 |
geoJTS = geomFactory.createPoint(points[0]);
|
603 |
geoJTS.setSRID(srid); |
604 |
return geoJTS;
|
605 |
} |
606 |
/*
|
607 |
* caso cuando es una l?nea de 3 puntos, no creo un
|
608 |
* LinearRing, sino una linea
|
609 |
*/
|
610 |
if (points.length > 1 && points.length <= 3) { |
611 |
// return geomFactory.createLineString(points);
|
612 |
geoJTS = geomFactory |
613 |
.createMultiLineString(new LineString[] { geomFactory |
614 |
.createLineString(points) }); |
615 |
geoJTS.setSRID(srid); |
616 |
return geoJTS;
|
617 |
} |
618 |
System.err
|
619 |
.println("Caught Topology exception in GMLLinearRingHandler");
|
620 |
|
621 |
return null; |
622 |
} |
623 |
|
624 |
/*
|
625 |
* linRing = new GeometryFactory().createLinearRing(
|
626 |
* CoordinateArrays.toCoordinateArray(arrayCoords));
|
627 |
*/
|
628 |
|
629 |
// System.out.println("NumParts = " + numParts);
|
630 |
// now we have a list of all shells and all holes
|
631 |
ArrayList holesForShells = new ArrayList(shells.size()); |
632 |
|
633 |
for (int i = 0; i < shells.size(); i++) { |
634 |
holesForShells.add(new ArrayList()); |
635 |
} |
636 |
|
637 |
// find homes
|
638 |
for (int i = 0; i < holes.size(); i++) { |
639 |
LinearRing testRing = (LinearRing) holes.get(i); |
640 |
LinearRing minShell = null;
|
641 |
Envelope minEnv = null;
|
642 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
643 |
Coordinate testPt = testRing.getCoordinateN(0);
|
644 |
LinearRing tryRing = null;
|
645 |
|
646 |
for (int j = 0; j < shells.size(); j++) { |
647 |
tryRing = (LinearRing) shells.get(j); |
648 |
|
649 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
650 |
|
651 |
if (minShell != null) { |
652 |
minEnv = minShell.getEnvelopeInternal(); |
653 |
} |
654 |
|
655 |
boolean isContained = false; |
656 |
Coordinate[] coordList = tryRing.getCoordinates();
|
657 |
|
658 |
if (tryEnv.contains(testEnv)
|
659 |
&& (CGAlgorithms.isPointInRing(testPt, coordList) || (pointInList( |
660 |
testPt, coordList)))) { |
661 |
isContained = true;
|
662 |
} |
663 |
|
664 |
// check if this new containing ring is smaller than the
|
665 |
// current minimum ring
|
666 |
if (isContained) {
|
667 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
668 |
minShell = tryRing; |
669 |
} |
670 |
} |
671 |
} |
672 |
|
673 |
if (minShell == null) { |
674 |
// System.out.println(
|
675 |
// "polygon found with a hole thats not inside a shell");
|
676 |
// azabala: we do the assumption that this hole is really a
|
677 |
// shell (polygon)
|
678 |
// whose point werent digitized in the right order
|
679 |
Coordinate[] cs = testRing.getCoordinates();
|
680 |
Coordinate[] reversed = new Coordinate[cs.length]; |
681 |
int pointIndex = 0; |
682 |
for (int z = cs.length - 1; z >= 0; z--) { |
683 |
reversed[pointIndex] = cs[z]; |
684 |
pointIndex++; |
685 |
} |
686 |
LinearRing newRing = geomFactory.createLinearRing(reversed); |
687 |
shells.add(newRing); |
688 |
holesForShells.add(new ArrayList()); |
689 |
} else {
|
690 |
((ArrayList) holesForShells.get(shells.indexOf(minShell)))
|
691 |
.add(testRing); |
692 |
} |
693 |
} |
694 |
|
695 |
Polygon[] polygons = new Polygon[shells.size()]; |
696 |
|
697 |
for (int i = 0; i < shells.size(); i++) { |
698 |
polygons[i] = geomFactory.createPolygon((LinearRing) shells |
699 |
.get(i), (LinearRing[]) ((ArrayList) holesForShells |
700 |
.get(i)).toArray(new LinearRing[0])); |
701 |
polygons[i].setSRID(srid); |
702 |
} |
703 |
// CAMBIO: ENTREGAMOS SIEMPRE MULTILINESTRING, QUE ES
|
704 |
// LO QUE HACE TODO EL MUNDO CUANDO ESCRIBE EN POSTGIS
|
705 |
// O CON GEOTOOLS
|
706 |
// if (numParts > 1) // Generamos una MultiLineString
|
707 |
|
708 |
/*
|
709 |
* if (polygons.length == 1) { return polygons[0]; }
|
710 |
*/
|
711 |
|
712 |
// FIN CAMBIO
|
713 |
|
714 |
holesForShells = null;
|
715 |
shells = null;
|
716 |
holes = null;
|
717 |
|
718 |
if (polygons.length == 1) { |
719 |
geoJTS = polygons[0];
|
720 |
} else {
|
721 |
// its a multi part
|
722 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
723 |
} |
724 |
geoJTS.setSRID(srid); |
725 |
|
726 |
/*
|
727 |
* if (numParts > 1) // Generamos un Polygon con agujeros {
|
728 |
* arrayLines.add(linRing); // geoJTS = new
|
729 |
* GeometryFactory().createPolygon(linRingExt, //
|
730 |
* GeometryFactory.toLinearRingArray(arrayLines)); geoJTS = new
|
731 |
* GeometryFactory().buildGeometry(arrayLines);
|
732 |
*
|
733 |
* // geoJTS = Polygonizer.class. } else { geoJTS = new
|
734 |
* GeometryFactory().createPolygon(linRing,null); }
|
735 |
*/
|
736 |
break;
|
737 |
} |
738 |
|
739 |
geoJTS.setSRID(srid); |
740 |
return geoJTS;
|
741 |
} |
742 |
|
743 |
/**
|
744 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
745 |
*
|
746 |
* @param geo
|
747 |
* Geometry de JTS.
|
748 |
*
|
749 |
* @return FShape.
|
750 |
*/
|
751 |
// public static FShape jts_to_java2d(com.vividsolutions.jts.geom.Geometry
|
752 |
// geo) {
|
753 |
// FShape shpNew = null;
|
754 |
//
|
755 |
// try {
|
756 |
// if (geo instanceof Point) {
|
757 |
// shpNew = new org.gvsig.fmap.geom.primitive.Point2D(null, null, ((Point)
|
758 |
// geo).getX(), ((Point) geo).getY());
|
759 |
// }
|
760 |
//
|
761 |
// if (geo.isEmpty()) {
|
762 |
// shpNew = null;
|
763 |
// }
|
764 |
//
|
765 |
// if (geo instanceof Polygon) {
|
766 |
// shpNew = new Surface2D(null, null, toShape((Polygon) geo));
|
767 |
// }
|
768 |
//
|
769 |
// if (geo instanceof MultiPolygon) {
|
770 |
// shpNew = new Surface2D(null, null, toShape((MultiPolygon) geo));
|
771 |
// }
|
772 |
//
|
773 |
// if (geo instanceof LineString) {
|
774 |
// shpNew = new Curve2D(null, null, toShape((LineString) geo));
|
775 |
// }
|
776 |
//
|
777 |
// if (geo instanceof MultiLineString) {
|
778 |
// shpNew = new Curve2D(null, null, toShape((MultiLineString) geo));
|
779 |
// }
|
780 |
//
|
781 |
// /* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN
|
782 |
// GeometryCollection
|
783 |
// * No sabremos si queremos una l?nea o un pol?gono.....
|
784 |
// * if (geometry instanceof GeometryCollection) {
|
785 |
// return toShape((GeometryCollection) geometry);
|
786 |
// } */
|
787 |
// return shpNew;
|
788 |
// } catch (NoninvertibleTransformException e) {
|
789 |
// // TODO Auto-generated catch block
|
790 |
// e.printStackTrace();
|
791 |
// }
|
792 |
//
|
793 |
// return null;
|
794 |
// }
|
795 |
|
796 |
/**
|
797 |
* DOCUMENT ME!
|
798 |
*
|
799 |
* @param p
|
800 |
* DOCUMENT ME!
|
801 |
*
|
802 |
* @return DOCUMENT ME!
|
803 |
*/
|
804 |
private static GeneralPathX toShape(Polygon p) { |
805 |
GeneralPathX resul = new GeneralPathX();
|
806 |
Coordinate coord; |
807 |
|
808 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
809 |
coord = p.getExteriorRing().getCoordinateN(i); |
810 |
|
811 |
if (i == 0) { |
812 |
resul.moveTo(coord.x, coord.y); |
813 |
} else {
|
814 |
resul.lineTo(coord.x, coord.y); |
815 |
} |
816 |
} |
817 |
|
818 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
819 |
LineString hole = p.getInteriorRingN(j); |
820 |
|
821 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
822 |
coord = hole.getCoordinateN(k); |
823 |
|
824 |
if (k == 0) { |
825 |
resul.moveTo(coord.x, coord.y); |
826 |
} else {
|
827 |
resul.lineTo(coord.x, coord.y); |
828 |
} |
829 |
} |
830 |
} |
831 |
|
832 |
return resul;
|
833 |
} |
834 |
|
835 |
/**
|
836 |
* DOCUMENT ME!
|
837 |
*
|
838 |
* @param modelCoordinates
|
839 |
* DOCUMENT ME!
|
840 |
*
|
841 |
* @return DOCUMENT ME!
|
842 |
*
|
843 |
* @throws NoninvertibleTransformException
|
844 |
* DOCUMENT ME!
|
845 |
*
|
846 |
* private Coordinate[] toViewCoordinates(Coordinate[]
|
847 |
* modelCoordinates) throws NoninvertibleTransformException {
|
848 |
* Coordinate[] viewCoordinates = new
|
849 |
* Coordinate[modelCoordinates.length];
|
850 |
*
|
851 |
* for (int i = 0; i < modelCoordinates.length; i++) { FPoint2D
|
852 |
* point2D = coordinate2FPoint2D(modelCoordinates[i]);
|
853 |
* viewCoordinates[i] = new Coordinate(point2D.getX(),
|
854 |
* point2D.getY()); }
|
855 |
*
|
856 |
* return viewCoordinates; }
|
857 |
* @throws CreateGeometryException
|
858 |
*/
|
859 |
|
860 |
/*
|
861 |
* private Shape toShape(GeometryCollection gc) throws
|
862 |
* NoninvertibleTransformException { GeometryCollectionShape shape = new
|
863 |
* GeometryCollectionShape(); for (int i = 0; i < gc.getNumGeometries();
|
864 |
* i++) { Geometry g = (Geometry) gc.getGeometryN(i); shape.add(toShape(g));
|
865 |
* } return shape; }
|
866 |
*/
|
867 |
private static GeneralPathX toShape(MultiLineString mls) |
868 |
throws NoninvertibleTransformException, CreateGeometryException { |
869 |
GeneralPathX path = new GeneralPathX();
|
870 |
|
871 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
872 |
LineString lineString = (LineString) mls.getGeometryN(i); |
873 |
path.append(toShape(lineString).getPathIterator(null), false); |
874 |
} |
875 |
|
876 |
// BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
877 |
// converted to GeneralPathXs. [Jon Aquino]
|
878 |
return path;
|
879 |
} |
880 |
|
881 |
/**
|
882 |
* DOCUMENT ME!
|
883 |
*
|
884 |
* @param lineString
|
885 |
* DOCUMENT ME!
|
886 |
*
|
887 |
* @return DOCUMENT ME!
|
888 |
*
|
889 |
* @throws NoninvertibleTransformException
|
890 |
* DOCUMENT ME!
|
891 |
* @throws CreateGeometryException
|
892 |
*/
|
893 |
private static GeneralPathX toShape(LineString lineString) |
894 |
throws NoninvertibleTransformException, CreateGeometryException { |
895 |
GeneralPathX shape = new GeneralPathX();
|
896 |
org.gvsig.fmap.geom.primitive.Point viewPoint = coordinate2FPoint2D(lineString |
897 |
.getCoordinateN(0));
|
898 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
899 |
|
900 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
901 |
viewPoint = coordinate2FPoint2D(lineString.getCoordinateN(i)); |
902 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
903 |
} |
904 |
|
905 |
// BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
906 |
// converted to GeneralPathXs. [Jon Aquino]
|
907 |
return shape;
|
908 |
} |
909 |
|
910 |
/*
|
911 |
* TODO No se usa DOCUMENT ME!
|
912 |
*
|
913 |
* @param point DOCUMENT ME!
|
914 |
*
|
915 |
* @return DOCUMENT ME!
|
916 |
*
|
917 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
918 |
*
|
919 |
* private static Point2D toShape(Point point) throws
|
920 |
* NoninvertibleTransformException { Point2D viewPoint =
|
921 |
* coordinate2FPoint2D(point.getCoordinate());
|
922 |
*
|
923 |
* return viewPoint; }
|
924 |
*/
|
925 |
|
926 |
/**
|
927 |
*
|
928 |
*/
|
929 |
private static GeneralPathX toShape(MultiPolygon mp) |
930 |
throws NoninvertibleTransformException { |
931 |
GeneralPathX path = new GeneralPathX();
|
932 |
|
933 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
934 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
935 |
path.append(toShape(polygon).getPathIterator(null), false); |
936 |
} |
937 |
|
938 |
// BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
939 |
// converted to GeneralPathXs. [Jon Aquino]
|
940 |
return path;
|
941 |
} |
942 |
|
943 |
/**
|
944 |
* DOCUMENT ME!
|
945 |
*
|
946 |
* @param coord
|
947 |
* DOCUMENT ME!
|
948 |
*
|
949 |
* @return DOCUMENT ME!
|
950 |
* @throws CreateGeometryException
|
951 |
*/
|
952 |
public static org.gvsig.fmap.geom.primitive.Point coordinate2FPoint2D( |
953 |
Coordinate coord) throws CreateGeometryException {
|
954 |
return geomManager.createPoint(coord.x, coord.y, SUBTYPES.GEOM2D); // ,coord.z); |
955 |
} |
956 |
|
957 |
/**
|
958 |
* Convierte una Geometry de JTS a GeneralPathX.
|
959 |
*
|
960 |
* @param geometry
|
961 |
* Geometry a convertir.
|
962 |
*
|
963 |
* @return GeneralPathX.
|
964 |
*
|
965 |
* @throws NoninvertibleTransformException
|
966 |
* @throws CreateGeometryException
|
967 |
* @throws IllegalArgumentException
|
968 |
*/
|
969 |
public static GeneralPathX toShape( |
970 |
com.vividsolutions.jts.geom.Geometry geometry) |
971 |
throws NoninvertibleTransformException, CreateGeometryException { |
972 |
if (geometry.isEmpty()) {
|
973 |
return new GeneralPathX(); |
974 |
} |
975 |
|
976 |
if (geometry instanceof Polygon) { |
977 |
return toShape((Polygon) geometry); |
978 |
} |
979 |
|
980 |
if (geometry instanceof MultiPolygon) { |
981 |
return toShape((MultiPolygon) geometry);
|
982 |
} |
983 |
|
984 |
if (geometry instanceof LineString) { |
985 |
return toShape((LineString) geometry);
|
986 |
} |
987 |
|
988 |
if (geometry instanceof MultiLineString) { |
989 |
return toShape((MultiLineString) geometry);
|
990 |
} |
991 |
|
992 |
if (geometry instanceof GeometryCollection) { |
993 |
return toShape(geometry);
|
994 |
} |
995 |
|
996 |
throw new IllegalArgumentException("Unrecognized Geometry class: " |
997 |
+ geometry.getClass()); |
998 |
} |
999 |
|
1000 |
public static GeneralPathX transformToInts(GeneralPathX gp, |
1001 |
AffineTransform at) {
|
1002 |
GeneralPathX newGp = new GeneralPathX();
|
1003 |
PathIterator theIterator;
|
1004 |
int theType;
|
1005 |
int numParts = 0; |
1006 |
double[] theData = new double[6]; |
1007 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
1008 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
1009 |
boolean bFirst = true; |
1010 |
int xInt, yInt, antX = -1, antY = -1; |
1011 |
|
1012 |
theIterator = gp.getPathIterator(null); // , flatness); |
1013 |
|
1014 |
while (!theIterator.isDone()) {
|
1015 |
theType = theIterator.currentSegment(theData); |
1016 |
switch (theType) {
|
1017 |
case PathIterator.SEG_MOVETO: |
1018 |
numParts++; |
1019 |
ptSrc.setLocation(theData[0], theData[1]); |
1020 |
at.transform(ptSrc, ptDst); |
1021 |
antX = (int) ptDst.getX();
|
1022 |
antY = (int) ptDst.getY();
|
1023 |
newGp.moveTo(antX, antY); |
1024 |
bFirst = true;
|
1025 |
break;
|
1026 |
|
1027 |
case PathIterator.SEG_LINETO: |
1028 |
ptSrc.setLocation(theData[0], theData[1]); |
1029 |
at.transform(ptSrc, ptDst); |
1030 |
xInt = (int) ptDst.getX();
|
1031 |
yInt = (int) ptDst.getY();
|
1032 |
if ((bFirst) || ((xInt != antX) || (yInt != antY))) {
|
1033 |
newGp.lineTo(xInt, yInt); |
1034 |
antX = xInt; |
1035 |
antY = yInt; |
1036 |
bFirst = false;
|
1037 |
} |
1038 |
break;
|
1039 |
|
1040 |
case PathIterator.SEG_QUADTO: |
1041 |
System.out.println("Not supported here"); |
1042 |
|
1043 |
break;
|
1044 |
|
1045 |
case PathIterator.SEG_CUBICTO: |
1046 |
System.out.println("Not supported here"); |
1047 |
|
1048 |
break;
|
1049 |
|
1050 |
case PathIterator.SEG_CLOSE: |
1051 |
newGp.closePath(); |
1052 |
|
1053 |
break;
|
1054 |
} // end switch
|
1055 |
|
1056 |
theIterator.next(); |
1057 |
} // end while loop
|
1058 |
|
1059 |
return newGp;
|
1060 |
} |
1061 |
|
1062 |
public static Geometry transformToInts(Geometry gp, AffineTransform at) |
1063 |
throws CreateGeometryException {
|
1064 |
GeneralPathX newGp = new GeneralPathX();
|
1065 |
double[] theData = new double[6]; |
1066 |
double[] aux = new double[6]; |
1067 |
|
1068 |
// newGp.reset();
|
1069 |
PathIterator theIterator;
|
1070 |
int theType;
|
1071 |
int numParts = 0; |
1072 |
|
1073 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
1074 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
1075 |
boolean bFirst = true; |
1076 |
int xInt, yInt, antX = -1, antY = -1; |
1077 |
|
1078 |
theIterator = gp.getPathIterator(null); // , flatness); |
1079 |
int numSegmentsAdded = 0; |
1080 |
while (!theIterator.isDone()) {
|
1081 |
theType = theIterator.currentSegment(theData); |
1082 |
|
1083 |
switch (theType) {
|
1084 |
case PathIterator.SEG_MOVETO: |
1085 |
numParts++; |
1086 |
ptSrc.setLocation(theData[0], theData[1]); |
1087 |
at.transform(ptSrc, ptDst); |
1088 |
antX = (int) ptDst.getX();
|
1089 |
antY = (int) ptDst.getY();
|
1090 |
newGp.moveTo(antX, antY); |
1091 |
numSegmentsAdded++; |
1092 |
bFirst = true;
|
1093 |
break;
|
1094 |
|
1095 |
case PathIterator.SEG_LINETO: |
1096 |
ptSrc.setLocation(theData[0], theData[1]); |
1097 |
at.transform(ptSrc, ptDst); |
1098 |
xInt = (int) ptDst.getX();
|
1099 |
yInt = (int) ptDst.getY();
|
1100 |
if ((bFirst) || ((xInt != antX) || (yInt != antY))) {
|
1101 |
newGp.lineTo(xInt, yInt); |
1102 |
antX = xInt; |
1103 |
antY = yInt; |
1104 |
bFirst = false;
|
1105 |
numSegmentsAdded++; |
1106 |
} |
1107 |
break;
|
1108 |
|
1109 |
case PathIterator.SEG_QUADTO: |
1110 |
at.transform(theData, 0, aux, 0, 2); |
1111 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
1112 |
numSegmentsAdded++; |
1113 |
break;
|
1114 |
|
1115 |
case PathIterator.SEG_CUBICTO: |
1116 |
at.transform(theData, 0, aux, 0, 3); |
1117 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
1118 |
numSegmentsAdded++; |
1119 |
break;
|
1120 |
|
1121 |
case PathIterator.SEG_CLOSE: |
1122 |
if (numSegmentsAdded < 3) { |
1123 |
newGp.lineTo(antX, antY); |
1124 |
} |
1125 |
newGp.closePath(); |
1126 |
|
1127 |
break;
|
1128 |
} // end switch
|
1129 |
|
1130 |
theIterator.next(); |
1131 |
} // end while loop
|
1132 |
|
1133 |
Geometry shp = null;
|
1134 |
switch (gp.getType()) {
|
1135 |
case Geometry.TYPES.POINT:
|
1136 |
shp = geomManager.createPoint(ptDst.getX(), ptDst.getY(), |
1137 |
SUBTYPES.GEOM2D); |
1138 |
break;
|
1139 |
|
1140 |
case Geometry.TYPES.CURVE:
|
1141 |
case Geometry.TYPES.ARC:
|
1142 |
try {
|
1143 |
shp = geomManager.createCurve(newGp, SUBTYPES.GEOM2D); |
1144 |
} catch (CreateGeometryException e1) {
|
1145 |
logger.error("Error creating a curve", e1);
|
1146 |
} |
1147 |
break;
|
1148 |
|
1149 |
case Geometry.TYPES.SURFACE:
|
1150 |
case Geometry.TYPES.CIRCLE:
|
1151 |
case Geometry.TYPES.ELLIPSE:
|
1152 |
|
1153 |
try {
|
1154 |
shp = geomManager.createSurface(newGp, SUBTYPES.GEOM2D); |
1155 |
} catch (CreateGeometryException e) {
|
1156 |
logger.error("Error creating a surface", e);
|
1157 |
} |
1158 |
break;
|
1159 |
} |
1160 |
return shp;
|
1161 |
} |
1162 |
|
1163 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) { |
1164 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
1165 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
1166 |
return r;
|
1167 |
} |
1168 |
|
1169 |
public static Envelope convertEnvelopeToJTS( |
1170 |
org.gvsig.fmap.geom.primitive.Envelope r) { |
1171 |
Envelope e = new Envelope(r.getMinimum(0), r.getMaximum(0), |
1172 |
r.getMinimum(1), r.getMaximum(1)); |
1173 |
return e;
|
1174 |
} |
1175 |
|
1176 |
/**
|
1177 |
* Return a correct polygon (no hole)
|
1178 |
*
|
1179 |
* @param coordinates
|
1180 |
* @return
|
1181 |
*/
|
1182 |
public static Geometry getExteriorPolygon(Coordinate[] coordinates) { |
1183 |
// isCCW = true => it's a hole
|
1184 |
Coordinate[] vs = new Coordinate[coordinates.length]; |
1185 |
if (CGAlgorithms.isCCW(coordinates)) {
|
1186 |
for (int i = vs.length - 1; i >= 0; i--) { |
1187 |
vs[i] = coordinates[i]; |
1188 |
} |
1189 |
} else {
|
1190 |
vs = coordinates; |
1191 |
} |
1192 |
LinearRing ring = geomFactory.createLinearRing(vs); |
1193 |
|
1194 |
try {
|
1195 |
Surface surface = (Surface) manager.create(TYPES.SURFACE, |
1196 |
SUBTYPES.GEOM2D); |
1197 |
surface.setGeneralPath(toShape(ring)); |
1198 |
return surface;
|
1199 |
} catch (NoninvertibleTransformException e) { |
1200 |
e.printStackTrace(); |
1201 |
} catch (CreateGeometryException e) {
|
1202 |
e.printStackTrace(); |
1203 |
} |
1204 |
return null; |
1205 |
} |
1206 |
|
1207 |
public static boolean isCCW(Point[] points) { |
1208 |
int length = points.length;
|
1209 |
Coordinate[] vs;
|
1210 |
// CGAlgorithms.isCCW asume que la lista de puntos tienen el primer
|
1211 |
// y el ultimo puntos iguales.... y que este algoritmo est? solo
|
1212 |
// garantizado con anillos v?lidos.
|
1213 |
if (points[0].getX() != points[length - 1].getX() |
1214 |
|| points[0].getY() != points[length - 1].getY()) { |
1215 |
vs = new Coordinate[length + 1]; |
1216 |
vs[points.length] = new Coordinate(points[0].getX(), |
1217 |
points[0].getY());
|
1218 |
} else {
|
1219 |
vs = new Coordinate[length];
|
1220 |
} |
1221 |
for (int i = 0; i < length; i++) { |
1222 |
vs[i] = new Coordinate(points[i].getX(), points[i].getY());
|
1223 |
} |
1224 |
|
1225 |
return CGAlgorithms.isCCW(vs);
|
1226 |
} |
1227 |
|
1228 |
public static boolean isCCW(Surface pol) { |
1229 |
com.vividsolutions.jts.geom.Geometry jtsGeom = Converter |
1230 |
.geometryToJts(pol); |
1231 |
if (jtsGeom.getNumGeometries() == 1) { |
1232 |
Coordinate[] coords = jtsGeom.getCoordinates();
|
1233 |
return CGAlgorithms.isCCW(coords);
|
1234 |
} |
1235 |
return false; |
1236 |
|
1237 |
} |
1238 |
|
1239 |
/**
|
1240 |
* Return a hole (CCW ordered points)
|
1241 |
*
|
1242 |
* @param coordinates
|
1243 |
* @return
|
1244 |
*/
|
1245 |
public static Geometry getHole(Coordinate[] coordinates) { |
1246 |
// isCCW = true => it's a hole
|
1247 |
Coordinate[] vs = new Coordinate[coordinates.length]; |
1248 |
if (CGAlgorithms.isCCW(coordinates)) {
|
1249 |
vs = coordinates; |
1250 |
|
1251 |
} else {
|
1252 |
for (int i = vs.length - 1; i >= 0; i--) { |
1253 |
vs[i] = coordinates[i]; |
1254 |
} |
1255 |
} |
1256 |
LinearRing ring = geomFactory.createLinearRing(vs); |
1257 |
|
1258 |
try {
|
1259 |
Surface surface = (Surface) manager.create(TYPES.SURFACE, |
1260 |
SUBTYPES.GEOM2D); |
1261 |
surface.setGeneralPath(toShape(ring)); |
1262 |
return surface;
|
1263 |
} catch (NoninvertibleTransformException e) { |
1264 |
e.printStackTrace(); |
1265 |
} catch (CreateGeometryException e) {
|
1266 |
e.printStackTrace(); |
1267 |
} |
1268 |
return null; |
1269 |
} |
1270 |
|
1271 |
public static Shape getExteriorPolygon(GeneralPathX gp) { |
1272 |
Area area = new Area(gp); |
1273 |
area.isSingular(); |
1274 |
return area;
|
1275 |
|
1276 |
} |
1277 |
|
1278 |
/**
|
1279 |
* Use it ONLY for NOT multipart polygons.
|
1280 |
*
|
1281 |
* @param pol
|
1282 |
* @return
|
1283 |
*/
|
1284 |
public static Geometry getNotHolePolygon(Surface pol) { |
1285 |
// isCCW == true => hole
|
1286 |
Coordinate[] coords;
|
1287 |
ArrayList arrayCoords = null; |
1288 |
int theType;
|
1289 |
int numParts = 0; |
1290 |
|
1291 |
// Use this array to store segment coordinate data
|
1292 |
double[] theData = new double[6]; |
1293 |
PathIterator theIterator;
|
1294 |
|
1295 |
ArrayList shells = new ArrayList(); |
1296 |
ArrayList holes = new ArrayList(); |
1297 |
Coordinate[] points = null; |
1298 |
|
1299 |
theIterator = pol.getPathIterator(null, manager.getFlatness());
|
1300 |
|
1301 |
while (!theIterator.isDone()) {
|
1302 |
// while not done
|
1303 |
theType = theIterator.currentSegment(theData); |
1304 |
|
1305 |
// Populate a segment of the new
|
1306 |
// GeneralPathX object.
|
1307 |
// Process the current segment to populate a new
|
1308 |
// segment of the new GeneralPathX object.
|
1309 |
switch (theType) {
|
1310 |
case PathIterator.SEG_MOVETO: |
1311 |
|
1312 |
// System.out.println("SEG_MOVETO");
|
1313 |
if (arrayCoords == null) { |
1314 |
arrayCoords = new ArrayList(); |
1315 |
} else {
|
1316 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
1317 |
|
1318 |
try {
|
1319 |
LinearRing ring = geomFactory.createLinearRing(points); |
1320 |
|
1321 |
if (CGAlgorithms.isCCW(points)) {
|
1322 |
holes.add(ring); |
1323 |
} else {
|
1324 |
shells.add(ring); |
1325 |
} |
1326 |
} catch (Exception e) { |
1327 |
System.err
|
1328 |
.println("Caught Topology exception in GMLLinearRingHandler");
|
1329 |
|
1330 |
return null; |
1331 |
} |
1332 |
|
1333 |
/*
|
1334 |
* if (numParts == 1) { linRingExt = new
|
1335 |
* GeometryFactory().createLinearRing(
|
1336 |
* CoordinateArrays.toCoordinateArray(arrayCoords)); } else
|
1337 |
* { linRing = new GeometryFactory().createLinearRing(
|
1338 |
* CoordinateArrays.toCoordinateArray(arrayCoords));
|
1339 |
* arrayLines.add(linRing); }
|
1340 |
*/
|
1341 |
arrayCoords = new ArrayList(); |
1342 |
} |
1343 |
|
1344 |
numParts++; |
1345 |
arrayCoords.add(new Coordinate(theData[0], theData[1])); |
1346 |
|
1347 |
break;
|
1348 |
|
1349 |
case PathIterator.SEG_LINETO: |
1350 |
|
1351 |
// System.out.println("SEG_LINETO");
|
1352 |
arrayCoords.add(new Coordinate(theData[0], theData[1])); |
1353 |
|
1354 |
break;
|
1355 |
|
1356 |
case PathIterator.SEG_QUADTO: |
1357 |
System.out.println("SEG_QUADTO Not supported here"); |
1358 |
|
1359 |
break;
|
1360 |
|
1361 |
case PathIterator.SEG_CUBICTO: |
1362 |
System.out.println("SEG_CUBICTO Not supported here"); |
1363 |
|
1364 |
break;
|
1365 |
|
1366 |
case PathIterator.SEG_CLOSE: |
1367 |
|
1368 |
// A?adimos el primer punto para cerrar.
|
1369 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
1370 |
arrayCoords.add(new Coordinate(firstCoord.x, firstCoord.y));
|
1371 |
|
1372 |
break;
|
1373 |
} // end switch
|
1374 |
|
1375 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]="
|
1376 |
// + theData[1]);
|
1377 |
theIterator.next(); |
1378 |
} // end while loop
|
1379 |
|
1380 |
arrayCoords.add(arrayCoords.get(0));
|
1381 |
coords = CoordinateArrays.toCoordinateArray(arrayCoords); |
1382 |
|
1383 |
if (numParts == 1) { |
1384 |
return getExteriorPolygon(coords);
|
1385 |
} |
1386 |
return pol;
|
1387 |
|
1388 |
} |
1389 |
|
1390 |
/*
|
1391 |
* public static GeometryCollection
|
1392 |
* convertFGeometryCollection(FGeometryCollection fGeomC) {
|
1393 |
*
|
1394 |
* geomFactory.createGeometryCollection(theGeoms); }
|
1395 |
*/
|
1396 |
} |