svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / v02 / FConverter.java @ 3059
History | View | Annotate | Download (24.3 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 |
package com.iver.cit.gvsig.fmap.core.v02; |
48 |
|
49 |
import com.iver.cit.gvsig.fmap.core.FGeometry; |
50 |
import com.iver.cit.gvsig.fmap.core.FPoint2D; |
51 |
import com.iver.cit.gvsig.fmap.core.FPolygon2D; |
52 |
import com.iver.cit.gvsig.fmap.core.FPolyline2D; |
53 |
import com.iver.cit.gvsig.fmap.core.FShape; |
54 |
import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
55 |
import com.iver.cit.gvsig.fmap.core.GeneralPathXIterator; |
56 |
import com.iver.cit.gvsig.fmap.core.IGeometry; |
57 |
import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
58 |
|
59 |
import com.vividsolutions.jts.algorithm.CGAlgorithms; |
60 |
import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
61 |
import com.vividsolutions.jts.geom.Coordinate; |
62 |
import com.vividsolutions.jts.geom.CoordinateArrays; |
63 |
import com.vividsolutions.jts.geom.Envelope; |
64 |
import com.vividsolutions.jts.geom.Geometry; |
65 |
import com.vividsolutions.jts.geom.GeometryCollection; |
66 |
import com.vividsolutions.jts.geom.GeometryFactory; |
67 |
import com.vividsolutions.jts.geom.LineString; |
68 |
import com.vividsolutions.jts.geom.LinearRing; |
69 |
import com.vividsolutions.jts.geom.MultiLineString; |
70 |
import com.vividsolutions.jts.geom.MultiPolygon; |
71 |
import com.vividsolutions.jts.geom.Point; |
72 |
import com.vividsolutions.jts.geom.Polygon; |
73 |
|
74 |
import java.awt.geom.AffineTransform; |
75 |
import java.awt.geom.NoninvertibleTransformException; |
76 |
import java.awt.geom.PathIterator; |
77 |
import java.awt.geom.Point2D; |
78 |
import java.awt.geom.Rectangle2D; |
79 |
|
80 |
import java.lang.reflect.Array; |
81 |
|
82 |
import java.util.ArrayList; |
83 |
|
84 |
|
85 |
/**
|
86 |
* Clase con varios m?todos est?ticos utilizados para pasar de java2d a jts y
|
87 |
* viceversa.
|
88 |
*
|
89 |
* @author fjp
|
90 |
*/
|
91 |
public class FConverter { |
92 |
/**
|
93 |
* ?QU? PODEMOS HACER CON LOS MULTIPOINT??? => DEBER?AMOS TRABAJAR CON UN
|
94 |
* ARRAY DE PUNTOS EN FShape.....Pensarlo bien.
|
95 |
*/
|
96 |
private final static GeometryFactory geomFactory = new GeometryFactory(); |
97 |
protected static CGAlgorithms cga = new RobustCGAlgorithms(); |
98 |
private final static AffineTransform at = new AffineTransform(); |
99 |
private static double POINT_MARKER_SIZE = 3.0; |
100 |
|
101 |
|
102 |
private static PointConverter pointConverter = new PointConverter() { |
103 |
/* (non-Javadoc)
|
104 |
* @see com.iver.cit.opensig.fmap.FConverter.PointConverter#toViewPoint(com.vividsolutions.jts.geom.Coordinate)
|
105 |
*/
|
106 |
public Point2D toViewPoint(Coordinate modelCoordinate) |
107 |
throws NoninvertibleTransformException { |
108 |
// TODO Auto-generated method stub
|
109 |
return null; |
110 |
} |
111 |
}; |
112 |
|
113 |
//returns true if testPoint is a point in the pointList list.
|
114 |
static boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
115 |
int t;
|
116 |
int numpoints;
|
117 |
Coordinate p; |
118 |
|
119 |
numpoints = Array.getLength(pointList);
|
120 |
|
121 |
for (t = 0; t < numpoints; t++) { |
122 |
p = pointList[t]; |
123 |
|
124 |
if ((testPoint.x == p.x) && (testPoint.y == p.y) &&
|
125 |
((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan
|
126 |
) { |
127 |
return true; |
128 |
} |
129 |
} |
130 |
|
131 |
return false; |
132 |
} |
133 |
|
134 |
/**
|
135 |
* Convierte un FShape a una Geometry del JTS. Para ello, utilizamos un
|
136 |
* "flattened PathIterator". El flattened indica que las curvas las pasa a
|
137 |
* segmentos de l?nea recta AUTOMATICAMENTE!!!.
|
138 |
*
|
139 |
* @param shp FShape que se quiere convertir.
|
140 |
*
|
141 |
* @return Geometry de JTS.
|
142 |
*/
|
143 |
public static Geometry java2d_to_jts(FShape shp) { |
144 |
double flatness = 0.8; // Por ejemplo. Cuanto m?s peque?o, m?s segmentos necesitar? la curva |
145 |
|
146 |
// Es la m?xima distancia que permitimos que el trazo aproximado
|
147 |
// difiera del trazo real.
|
148 |
Geometry geoJTS = null;
|
149 |
Coordinate coord; |
150 |
Coordinate[] coords;
|
151 |
ArrayList arrayCoords = null; |
152 |
ArrayList arrayLines;
|
153 |
LineString lin; |
154 |
LinearRing linRing; |
155 |
LinearRing linRingExt = null;
|
156 |
int theType;
|
157 |
int numParts = 0; |
158 |
|
159 |
// Use this array to store segment coordinate data
|
160 |
double[] theData = new double[6]; |
161 |
PathIterator theIterator;
|
162 |
|
163 |
switch (shp.getShapeType()) {
|
164 |
case FShape.POINT:
|
165 |
case FShape.POINT + FShape.Z:
|
166 |
FPoint2D p = (FPoint2D) shp; |
167 |
coord = new Coordinate(p.getX(), p.getY());
|
168 |
geoJTS = new GeometryFactory().createPoint(coord);
|
169 |
|
170 |
break;
|
171 |
|
172 |
case FShape.LINE:
|
173 |
case FShape.LINE + FShape.Z:
|
174 |
arrayLines = new ArrayList(); |
175 |
theIterator = shp.getPathIterator(null); //, flatness); |
176 |
|
177 |
while (!theIterator.isDone()) {
|
178 |
//while not done
|
179 |
theType = theIterator.currentSegment(theData); |
180 |
|
181 |
//Populate a segment of the new
|
182 |
// GeneralPathX object.
|
183 |
//Process the current segment to populate a new
|
184 |
// segment of the new GeneralPathX object.
|
185 |
switch (theType) {
|
186 |
case PathIterator.SEG_MOVETO: |
187 |
|
188 |
// System.out.println("SEG_MOVETO");
|
189 |
if (arrayCoords == null) { |
190 |
arrayCoords = new ArrayList(); |
191 |
} else {
|
192 |
lin = new GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
|
193 |
arrayCoords)); |
194 |
arrayLines.add(lin); |
195 |
arrayCoords = new ArrayList(); |
196 |
} |
197 |
|
198 |
numParts++; |
199 |
arrayCoords.add(new Coordinate(theData[0], |
200 |
theData[1]));
|
201 |
|
202 |
break;
|
203 |
|
204 |
case PathIterator.SEG_LINETO: |
205 |
|
206 |
// System.out.println("SEG_LINETO");
|
207 |
arrayCoords.add(new Coordinate(theData[0], |
208 |
theData[1]));
|
209 |
|
210 |
break;
|
211 |
|
212 |
case PathIterator.SEG_QUADTO: |
213 |
System.out.println("Not supported here"); |
214 |
|
215 |
break;
|
216 |
|
217 |
case PathIterator.SEG_CUBICTO: |
218 |
System.out.println("Not supported here"); |
219 |
|
220 |
break;
|
221 |
|
222 |
case PathIterator.SEG_CLOSE: |
223 |
System.out.println("SEG_CLOSE"); |
224 |
|
225 |
// A?adimos el primer punto para cerrar.
|
226 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
227 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
228 |
firstCoord.y)); |
229 |
|
230 |
break;
|
231 |
} //end switch
|
232 |
|
233 |
theIterator.next(); |
234 |
} //end while loop
|
235 |
|
236 |
lin = new GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
|
237 |
arrayCoords)); |
238 |
|
239 |
if (numParts > 1) // Generamos una MultiLineString |
240 |
{ |
241 |
arrayLines.add(lin); |
242 |
geoJTS = new GeometryFactory().createMultiLineString(GeometryFactory.toLineStringArray(
|
243 |
arrayLines)); |
244 |
} else {
|
245 |
geoJTS = lin; |
246 |
} |
247 |
|
248 |
break;
|
249 |
|
250 |
case FShape.POLYGON:
|
251 |
case FShape.POLYGON + FShape.Z:
|
252 |
arrayLines = new ArrayList(); |
253 |
|
254 |
ArrayList shells = new ArrayList(); |
255 |
ArrayList holes = new ArrayList(); |
256 |
Coordinate[] points = null; |
257 |
|
258 |
theIterator = shp.getPathIterator(at, flatness); |
259 |
|
260 |
while (!theIterator.isDone()) {
|
261 |
//while not done
|
262 |
theType = theIterator.currentSegment(theData); |
263 |
|
264 |
//Populate a segment of the new
|
265 |
// GeneralPathX object.
|
266 |
//Process the current segment to populate a new
|
267 |
// segment of the new GeneralPathX object.
|
268 |
switch (theType) {
|
269 |
case PathIterator.SEG_MOVETO: |
270 |
|
271 |
// System.out.println("SEG_MOVETO");
|
272 |
if (arrayCoords == null) { |
273 |
arrayCoords = new ArrayList(); |
274 |
} else {
|
275 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
276 |
|
277 |
try {
|
278 |
LinearRing ring = geomFactory.createLinearRing(points); |
279 |
|
280 |
if (CGAlgorithms.isCCW(points)) {
|
281 |
holes.add(ring); |
282 |
} else {
|
283 |
shells.add(ring); |
284 |
} |
285 |
} catch (Exception e) { |
286 |
System.err.println(
|
287 |
"Caught Topology exception in GMLLinearRingHandler");
|
288 |
|
289 |
return null; |
290 |
} |
291 |
|
292 |
/* if (numParts == 1)
|
293 |
{
|
294 |
linRingExt = new GeometryFactory().createLinearRing(
|
295 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
296 |
}
|
297 |
else
|
298 |
{
|
299 |
linRing = new GeometryFactory().createLinearRing(
|
300 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
301 |
arrayLines.add(linRing);
|
302 |
} */
|
303 |
arrayCoords = new ArrayList(); |
304 |
} |
305 |
|
306 |
numParts++; |
307 |
arrayCoords.add(new Coordinate(theData[0], |
308 |
theData[1]));
|
309 |
|
310 |
break;
|
311 |
|
312 |
case PathIterator.SEG_LINETO: |
313 |
|
314 |
// System.out.println("SEG_LINETO");
|
315 |
arrayCoords.add(new Coordinate(theData[0], |
316 |
theData[1]));
|
317 |
|
318 |
break;
|
319 |
|
320 |
case PathIterator.SEG_QUADTO: |
321 |
System.out.println("SEG_QUADTO Not supported here"); |
322 |
|
323 |
break;
|
324 |
|
325 |
case PathIterator.SEG_CUBICTO: |
326 |
System.out.println("SEG_CUBICTO Not supported here"); |
327 |
|
328 |
break;
|
329 |
|
330 |
case PathIterator.SEG_CLOSE: |
331 |
|
332 |
// A?adimos el primer punto para cerrar.
|
333 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
334 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
335 |
firstCoord.y)); |
336 |
|
337 |
break;
|
338 |
} //end switch
|
339 |
|
340 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
341 |
theIterator.next(); |
342 |
} //end while loop
|
343 |
|
344 |
// arrayCoords.add(arrayCoords.get(0));
|
345 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
346 |
|
347 |
try {
|
348 |
LinearRing ring = geomFactory.createLinearRing(points); |
349 |
|
350 |
if (CGAlgorithms.isCCW(points)) {
|
351 |
holes.add(ring); |
352 |
} else {
|
353 |
shells.add(ring); |
354 |
} |
355 |
} catch (Exception e) { |
356 |
System.err.println(
|
357 |
"Caught Topology exception in GMLLinearRingHandler");
|
358 |
|
359 |
return null; |
360 |
} |
361 |
|
362 |
/* linRing = new GeometryFactory().createLinearRing(
|
363 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
364 |
|
365 |
// System.out.println("NumParts = " + numParts);
|
366 |
//now we have a list of all shells and all holes
|
367 |
ArrayList holesForShells = new ArrayList(shells.size()); |
368 |
|
369 |
for (int i = 0; i < shells.size(); i++) { |
370 |
holesForShells.add(new ArrayList()); |
371 |
} |
372 |
|
373 |
//find homes
|
374 |
for (int i = 0; i < holes.size(); i++) { |
375 |
LinearRing testRing = (LinearRing) holes.get(i); |
376 |
LinearRing minShell = null;
|
377 |
Envelope minEnv = null;
|
378 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
379 |
Coordinate testPt = testRing.getCoordinateN(0);
|
380 |
LinearRing tryRing; |
381 |
|
382 |
for (int j = 0; j < shells.size(); j++) { |
383 |
tryRing = (LinearRing) shells.get(j); |
384 |
|
385 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
386 |
|
387 |
if (minShell != null) { |
388 |
minEnv = minShell.getEnvelopeInternal(); |
389 |
} |
390 |
|
391 |
boolean isContained = false; |
392 |
Coordinate[] coordList = tryRing.getCoordinates();
|
393 |
|
394 |
if (tryEnv.contains(testEnv) &&
|
395 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
396 |
(pointInList(testPt, coordList)))) { |
397 |
isContained = true;
|
398 |
} |
399 |
|
400 |
// check if this new containing ring is smaller than the current minimum ring
|
401 |
if (isContained) {
|
402 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
403 |
minShell = tryRing; |
404 |
} |
405 |
} |
406 |
} |
407 |
|
408 |
if (minShell == null) { |
409 |
System.out.println(
|
410 |
"polygon found with a hole thats not inside a shell");
|
411 |
} else {
|
412 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
413 |
} |
414 |
} |
415 |
|
416 |
Polygon[] polygons = new Polygon[shells.size()]; |
417 |
|
418 |
for (int i = 0; i < shells.size(); i++) { |
419 |
polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
420 |
i), |
421 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
422 |
new LinearRing[0])); |
423 |
} |
424 |
|
425 |
if (polygons.length == 1) { |
426 |
return polygons[0]; |
427 |
} |
428 |
|
429 |
holesForShells = null;
|
430 |
shells = null;
|
431 |
holes = null;
|
432 |
|
433 |
//its a multi part
|
434 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
435 |
|
436 |
/* if (numParts > 1) // Generamos un Polygon con agujeros
|
437 |
{
|
438 |
arrayLines.add(linRing);
|
439 |
// geoJTS = new GeometryFactory().createPolygon(linRingExt,
|
440 |
// GeometryFactory.toLinearRingArray(arrayLines));
|
441 |
geoJTS = new GeometryFactory().buildGeometry(arrayLines);
|
442 |
|
443 |
// geoJTS = Polygonizer.class.
|
444 |
}
|
445 |
else
|
446 |
{
|
447 |
geoJTS = new GeometryFactory().createPolygon(linRing,null);
|
448 |
} */
|
449 |
break;
|
450 |
} |
451 |
|
452 |
return geoJTS;
|
453 |
} |
454 |
|
455 |
/**
|
456 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
457 |
*
|
458 |
* @param geo Geometry de JTS.
|
459 |
*
|
460 |
* @return FShape.
|
461 |
*/
|
462 |
public static FShape jts_to_java2d(Geometry geo) { |
463 |
FShape shpNew = null;
|
464 |
|
465 |
try {
|
466 |
if (geo instanceof Point) { |
467 |
shpNew = new FPoint2D(((Point) geo).getX(), ((Point) geo).getY()); |
468 |
} |
469 |
|
470 |
if (geo.isEmpty()) {
|
471 |
shpNew = null;
|
472 |
} |
473 |
|
474 |
if (geo instanceof Polygon) { |
475 |
shpNew = new FPolygon2D(toShape((Polygon) geo)); |
476 |
} |
477 |
|
478 |
if (geo instanceof MultiPolygon) { |
479 |
shpNew = new FPolygon2D(toShape((MultiPolygon) geo));
|
480 |
} |
481 |
|
482 |
if (geo instanceof LineString) { |
483 |
shpNew = new FPolyline2D(toShape((LineString) geo));
|
484 |
} |
485 |
|
486 |
if (geo instanceof MultiLineString) { |
487 |
shpNew = new FPolyline2D(toShape((MultiLineString) geo));
|
488 |
} |
489 |
|
490 |
/* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
491 |
* No sabremos si queremos una l?nea o un pol?gono.....
|
492 |
* if (geometry instanceof GeometryCollection) {
|
493 |
return toShape((GeometryCollection) geometry);
|
494 |
} */
|
495 |
return shpNew;
|
496 |
} catch (NoninvertibleTransformException e) { |
497 |
// TODO Auto-generated catch block
|
498 |
e.printStackTrace(); |
499 |
} |
500 |
|
501 |
return null; |
502 |
} |
503 |
|
504 |
/**
|
505 |
* DOCUMENT ME!
|
506 |
*
|
507 |
* @param p DOCUMENT ME!
|
508 |
*
|
509 |
* @return DOCUMENT ME!
|
510 |
*/
|
511 |
private static GeneralPathX toShape(Polygon p) { |
512 |
GeneralPathX resul = new GeneralPathX();
|
513 |
Coordinate coord; |
514 |
|
515 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
516 |
coord = p.getExteriorRing().getCoordinateN(i); |
517 |
|
518 |
if (i == 0) { |
519 |
resul.moveTo(coord.x,coord.y); |
520 |
} else {
|
521 |
resul.lineTo(coord.x,coord.y); |
522 |
} |
523 |
} |
524 |
|
525 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
526 |
LineString hole = p.getInteriorRingN(j); |
527 |
|
528 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
529 |
coord = hole.getCoordinateN(k); |
530 |
|
531 |
if (k == 0) { |
532 |
resul.moveTo(coord.x, coord.y); |
533 |
} else {
|
534 |
resul.lineTo(coord.x, coord.y); |
535 |
} |
536 |
} |
537 |
} |
538 |
|
539 |
return resul;
|
540 |
} |
541 |
|
542 |
/**
|
543 |
* DOCUMENT ME!
|
544 |
*
|
545 |
* @param modelCoordinates DOCUMENT ME!
|
546 |
*
|
547 |
* @return DOCUMENT ME!
|
548 |
*
|
549 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
550 |
*/
|
551 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates) |
552 |
throws NoninvertibleTransformException { |
553 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length]; |
554 |
|
555 |
for (int i = 0; i < modelCoordinates.length; i++) { |
556 |
FPoint2D point2D = toViewPoint(modelCoordinates[i]); |
557 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
558 |
} |
559 |
|
560 |
return viewCoordinates;
|
561 |
} |
562 |
|
563 |
/* private Shape toShape(GeometryCollection gc)
|
564 |
throws NoninvertibleTransformException {
|
565 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
566 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
567 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
568 |
shape.add(toShape(g));
|
569 |
}
|
570 |
return shape;
|
571 |
} */
|
572 |
private static GeneralPathX toShape(MultiLineString mls) |
573 |
throws NoninvertibleTransformException { |
574 |
GeneralPathX path = new GeneralPathX();
|
575 |
|
576 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
577 |
LineString lineString = (LineString) mls.getGeometryN(i); |
578 |
path.append(toShape(lineString), false);
|
579 |
} |
580 |
|
581 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
582 |
//converted to GeneralPathXs. [Jon Aquino]
|
583 |
return path;
|
584 |
} |
585 |
|
586 |
/**
|
587 |
* DOCUMENT ME!
|
588 |
*
|
589 |
* @param lineString DOCUMENT ME!
|
590 |
*
|
591 |
* @return DOCUMENT ME!
|
592 |
*
|
593 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
594 |
*/
|
595 |
private static GeneralPathX toShape(LineString lineString) |
596 |
throws NoninvertibleTransformException { |
597 |
GeneralPathX shape = new GeneralPathX();
|
598 |
FPoint2D viewPoint = toViewPoint(lineString.getCoordinateN(0));
|
599 |
shape.moveTo(viewPoint.getX(), viewPoint.getY()); |
600 |
|
601 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
602 |
viewPoint = toViewPoint(lineString.getCoordinateN(i)); |
603 |
shape.lineTo(viewPoint.getX(), viewPoint.getY()); |
604 |
} |
605 |
|
606 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
607 |
//converted to GeneralPathXs. [Jon Aquino]
|
608 |
return shape;
|
609 |
} |
610 |
|
611 |
/**
|
612 |
* DOCUMENT ME!
|
613 |
*
|
614 |
* @param point DOCUMENT ME!
|
615 |
*
|
616 |
* @return DOCUMENT ME!
|
617 |
*
|
618 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
619 |
*/
|
620 |
private static FPoint2D toShape(Point point) |
621 |
throws NoninvertibleTransformException { |
622 |
FPoint2D viewPoint = toViewPoint(point.getCoordinate()); |
623 |
|
624 |
return viewPoint;
|
625 |
} |
626 |
|
627 |
private static GeneralPathX toShape(MultiPolygon mp) |
628 |
throws NoninvertibleTransformException { |
629 |
GeneralPathX path = new GeneralPathX();
|
630 |
|
631 |
for (int i = 0; i < mp.getNumGeometries(); i++) { |
632 |
Polygon polygon = (Polygon) mp.getGeometryN(i); |
633 |
path.append(toShape(polygon), false);
|
634 |
} |
635 |
|
636 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
637 |
//converted to GeneralPathXs. [Jon Aquino]
|
638 |
return path;
|
639 |
} |
640 |
/**
|
641 |
* DOCUMENT ME!
|
642 |
*
|
643 |
* @param coord DOCUMENT ME!
|
644 |
*
|
645 |
* @return DOCUMENT ME!
|
646 |
*/
|
647 |
private static FPoint2D toViewPoint(Coordinate coord) { |
648 |
return new FPoint2D(coord.x, coord.y); //,coord.z); |
649 |
} |
650 |
|
651 |
/**
|
652 |
* Convierte una Geometry de JTS a GeneralPathX.
|
653 |
*
|
654 |
* @param geometry Geometry a convertir.
|
655 |
*
|
656 |
* @return GeneralPathX.
|
657 |
*
|
658 |
* @throws NoninvertibleTransformException
|
659 |
* @throws IllegalArgumentException
|
660 |
*/
|
661 |
public static GeneralPathX toShape(Geometry geometry) |
662 |
throws NoninvertibleTransformException { |
663 |
if (geometry.isEmpty()) {
|
664 |
return new GeneralPathX(); |
665 |
} |
666 |
|
667 |
if (geometry instanceof Polygon) { |
668 |
return toShape((Polygon) geometry); |
669 |
} |
670 |
|
671 |
if (geometry instanceof MultiPolygon) { |
672 |
return toShape((MultiPolygon) geometry);
|
673 |
} |
674 |
|
675 |
if (geometry instanceof LineString) { |
676 |
return toShape((LineString) geometry);
|
677 |
} |
678 |
|
679 |
if (geometry instanceof MultiLineString) { |
680 |
return toShape((MultiLineString) geometry);
|
681 |
} |
682 |
|
683 |
if (geometry instanceof GeometryCollection) { |
684 |
return toShape((GeometryCollection) geometry);
|
685 |
} |
686 |
|
687 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
688 |
geometry.getClass()); |
689 |
} |
690 |
|
691 |
/**
|
692 |
* Interfazaz para convertir una Coordinate de JTS a Point2D.
|
693 |
*
|
694 |
*/
|
695 |
public static interface PointConverter { |
696 |
/**
|
697 |
* DOCUMENT ME!
|
698 |
*
|
699 |
* @param modelCoordinate DOCUMENT ME!
|
700 |
*
|
701 |
* @return DOCUMENT ME!
|
702 |
*
|
703 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
704 |
*/
|
705 |
public Point2D toViewPoint(Coordinate modelCoordinate) |
706 |
throws NoninvertibleTransformException; |
707 |
} |
708 |
public static GeneralPathX transformToInts(GeneralPathX gp, AffineTransform at) { |
709 |
GeneralPathX newGp = new GeneralPathX();
|
710 |
PathIterator theIterator;
|
711 |
int theType;
|
712 |
int numParts = 0; |
713 |
double[] theData = new double[6]; |
714 |
Point2D ptDst = new Point2D.Double(); |
715 |
Point2D ptSrc = new Point2D.Double(); |
716 |
boolean bFirst = true; |
717 |
int xInt, yInt, antX = -1, antY = -1; |
718 |
|
719 |
theIterator = gp.getPathIterator(null); //, flatness); |
720 |
|
721 |
while (!theIterator.isDone()) {
|
722 |
theType = theIterator.currentSegment(theData); |
723 |
switch (theType) {
|
724 |
case PathIterator.SEG_MOVETO: |
725 |
numParts++; |
726 |
ptSrc.setLocation(theData[0], theData[1]); |
727 |
at.transform(ptSrc, ptDst); |
728 |
antX = (int) ptDst.getX();
|
729 |
antY = (int) ptDst.getY();
|
730 |
newGp.moveTo(antX, antY); |
731 |
bFirst = true;
|
732 |
break;
|
733 |
|
734 |
case PathIterator.SEG_LINETO: |
735 |
ptSrc.setLocation(theData[0], theData[1]); |
736 |
at.transform(ptSrc, ptDst); |
737 |
xInt = (int) ptDst.getX();
|
738 |
yInt = (int) ptDst.getY();
|
739 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
740 |
{ |
741 |
newGp.lineTo(xInt, yInt); |
742 |
antX = xInt; |
743 |
antY = yInt; |
744 |
bFirst = false;
|
745 |
} |
746 |
break;
|
747 |
|
748 |
case PathIterator.SEG_QUADTO: |
749 |
System.out.println("Not supported here"); |
750 |
|
751 |
break;
|
752 |
|
753 |
case PathIterator.SEG_CUBICTO: |
754 |
System.out.println("Not supported here"); |
755 |
|
756 |
break;
|
757 |
|
758 |
case PathIterator.SEG_CLOSE: |
759 |
newGp.closePath(); |
760 |
|
761 |
break;
|
762 |
} //end switch
|
763 |
|
764 |
theIterator.next(); |
765 |
} //end while loop
|
766 |
|
767 |
return newGp;
|
768 |
} |
769 |
public static FShape transformToInts(IGeometry gp, AffineTransform at) { |
770 |
GeneralPathX newGp = new GeneralPathX();
|
771 |
double[] theData = new double[6]; |
772 |
double[] aux = new double[6]; |
773 |
|
774 |
// newGp.reset();
|
775 |
GeneralPathXIterator theIterator; |
776 |
int theType;
|
777 |
int numParts = 0; |
778 |
|
779 |
Point2D ptDst = new Point2D.Double(); |
780 |
Point2D ptSrc = new Point2D.Double(); |
781 |
boolean bFirst = true; |
782 |
int xInt, yInt, antX = -1, antY = -1; |
783 |
|
784 |
|
785 |
theIterator = gp.getGeneralPathXIterator(); //, flatness);
|
786 |
int numSegmentsAdded = 0; |
787 |
while (!theIterator.isDone()) {
|
788 |
theType = theIterator.currentSegment(theData); |
789 |
|
790 |
switch (theType) {
|
791 |
case PathIterator.SEG_MOVETO: |
792 |
numParts++; |
793 |
ptSrc.setLocation(theData[0], theData[1]); |
794 |
at.transform(ptSrc, ptDst); |
795 |
antX = (int) ptDst.getX();
|
796 |
antY = (int) ptDst.getY();
|
797 |
newGp.moveTo(antX, antY); |
798 |
numSegmentsAdded++; |
799 |
bFirst = true;
|
800 |
break;
|
801 |
|
802 |
case PathIterator.SEG_LINETO: |
803 |
ptSrc.setLocation(theData[0], theData[1]); |
804 |
at.transform(ptSrc, ptDst); |
805 |
xInt = (int) ptDst.getX();
|
806 |
yInt = (int) ptDst.getY();
|
807 |
if ((bFirst) || ((xInt != antX) || (yInt != antY)))
|
808 |
{ |
809 |
newGp.lineTo(xInt, yInt); |
810 |
antX = xInt; |
811 |
antY = yInt; |
812 |
bFirst = false;
|
813 |
numSegmentsAdded++; |
814 |
} |
815 |
break;
|
816 |
|
817 |
case PathIterator.SEG_QUADTO: |
818 |
at.transform(theData,0,aux,0,2); |
819 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
820 |
numSegmentsAdded++; |
821 |
break;
|
822 |
|
823 |
case PathIterator.SEG_CUBICTO: |
824 |
at.transform(theData,0,aux,0,3); |
825 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
826 |
numSegmentsAdded++; |
827 |
break;
|
828 |
|
829 |
case PathIterator.SEG_CLOSE: |
830 |
if (numSegmentsAdded < 3) |
831 |
newGp.lineTo(antX, antY); |
832 |
newGp.closePath(); |
833 |
|
834 |
break;
|
835 |
} //end switch
|
836 |
|
837 |
theIterator.next(); |
838 |
} //end while loop
|
839 |
FShape shp = null;
|
840 |
switch (gp.getGeometryType())
|
841 |
{ |
842 |
case FShape.POINT: //Tipo punto |
843 |
case FShape.POINT + FShape.Z:
|
844 |
shp = new FPoint2D(ptDst.getX(), ptDst.getY());
|
845 |
break;
|
846 |
|
847 |
case FShape.LINE:
|
848 |
case FShape.LINE + FShape.Z:
|
849 |
shp = new FPolyline2D(newGp);
|
850 |
break;
|
851 |
case FShape.POLYGON:
|
852 |
case FShape.POLYGON + FShape.Z:
|
853 |
shp = new FPolygon2D(newGp);
|
854 |
break;
|
855 |
} |
856 |
return shp;
|
857 |
} |
858 |
|
859 |
public static Rectangle2D convertEnvelopeToRectangle2D(Envelope jtsR) |
860 |
{ |
861 |
Rectangle2D.Double r = new Rectangle2D.Double(jtsR.getMinX(), |
862 |
jtsR.getMinY(), jtsR.getWidth(), jtsR.getHeight()); |
863 |
return r;
|
864 |
} |
865 |
} |