svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.jts / src / main / java / org / gvsig / fmap / geom / jts / primitive / curve / line / AbstractLine.java @ 42464
History | View | Annotate | Download (16.5 KB)
1 |
/* gvSIG. Desktop Geographic Information System.
|
---|---|
2 |
*
|
3 |
* Copyright ? 2007-2015 gvSIG Association
|
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., 51 Franklin Street, Fifth Floor, Boston,
|
18 |
* MA 02110-1301, USA.
|
19 |
*
|
20 |
* For any additional information, do not hesitate to contact us
|
21 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
22 |
*/
|
23 |
package org.gvsig.fmap.geom.jts.primitive.curve.line; |
24 |
|
25 |
import java.awt.Shape; |
26 |
import java.awt.geom.AffineTransform; |
27 |
import java.awt.geom.GeneralPath; |
28 |
import java.awt.geom.PathIterator; |
29 |
import java.util.Collections; |
30 |
import java.util.Iterator; |
31 |
|
32 |
import com.vividsolutions.jts.geom.Coordinate; |
33 |
|
34 |
import org.apache.commons.lang3.StringUtils; |
35 |
import org.cresques.cts.ICoordTrans; |
36 |
import org.slf4j.Logger; |
37 |
import org.slf4j.LoggerFactory; |
38 |
|
39 |
import org.gvsig.fmap.geom.Geometry; |
40 |
import org.gvsig.fmap.geom.exception.ReprojectionRuntimeException; |
41 |
import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
42 |
import org.gvsig.fmap.geom.jts.gputils.GeneralPathXIterator; |
43 |
import org.gvsig.fmap.geom.jts.primitive.curve.AbstractCurve; |
44 |
import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
45 |
import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
46 |
import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
47 |
import org.gvsig.fmap.geom.jts.util.JTSUtils; |
48 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
49 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
50 |
import org.gvsig.fmap.geom.primitive.GeneralPathX; |
51 |
import org.gvsig.fmap.geom.primitive.IGeneralPathX; |
52 |
import org.gvsig.fmap.geom.primitive.Point; |
53 |
|
54 |
/**
|
55 |
* @author fdiaz
|
56 |
*
|
57 |
*/
|
58 |
public abstract class AbstractLine extends AbstractCurve { |
59 |
|
60 |
/**
|
61 |
*
|
62 |
*/
|
63 |
private static final long serialVersionUID = 5034197096871344597L; |
64 |
private static final Logger logger = LoggerFactory.getLogger(AbstractLine.class); |
65 |
|
66 |
protected ArrayListCoordinateSequence coordinates;
|
67 |
|
68 |
public class VertexIterator implements Iterator<Point> { |
69 |
|
70 |
private PointJTS vertex;
|
71 |
private int current; |
72 |
|
73 |
public VertexIterator() {
|
74 |
this.current = 0; |
75 |
if( getNumVertices()>0 ) { |
76 |
this.vertex = (PointJTS) getVertex(0).cloneGeometry(); |
77 |
} else {
|
78 |
this.vertex = null; |
79 |
} |
80 |
} |
81 |
|
82 |
@Override
|
83 |
public boolean hasNext() { |
84 |
return this.current < getNumVertices() ; |
85 |
} |
86 |
|
87 |
@Override
|
88 |
public Point next() { |
89 |
this.vertex.setJTSCoordinate(coordinates.get(current) );
|
90 |
this.current++;
|
91 |
return this.vertex; |
92 |
} |
93 |
|
94 |
@Override
|
95 |
public void remove() { |
96 |
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
97 |
} |
98 |
|
99 |
} |
100 |
/**
|
101 |
*
|
102 |
*/
|
103 |
protected AbstractLine(int subtype) { |
104 |
super(Geometry.TYPES.LINE, subtype);
|
105 |
} |
106 |
|
107 |
/**
|
108 |
* @param type
|
109 |
* @param subtype
|
110 |
*/
|
111 |
public AbstractLine(int type, int subtype) { |
112 |
super(type, subtype);
|
113 |
} |
114 |
|
115 |
abstract public Point getVertex(int index); |
116 |
|
117 |
public Iterator<Point> iterator() { |
118 |
return new VertexIterator(); |
119 |
} |
120 |
|
121 |
/*
|
122 |
* (non-Javadoc)
|
123 |
*
|
124 |
* @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()
|
125 |
*/
|
126 |
public com.vividsolutions.jts.geom.Geometry getJTS() {
|
127 |
return JTSUtils.createJTSLineString(coordinates);
|
128 |
} |
129 |
|
130 |
/*
|
131 |
* (non-Javadoc)
|
132 |
*
|
133 |
* @see
|
134 |
* org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(org.gvsig
|
135 |
* .fmap.geom.primitive.Point)
|
136 |
*/
|
137 |
public void addVertex(Point point) { |
138 |
point = fixPoint(point); |
139 |
coordinates.add(((PointJTS) point).getJTSCoordinate()); |
140 |
} |
141 |
|
142 |
/*
|
143 |
* (non-Javadoc)
|
144 |
*
|
145 |
* @see
|
146 |
* org.gvsig.fmap.geom.primitive.Curve#setPoints(org.gvsig.fmap.geom.primitive
|
147 |
* .Point, org.gvsig.fmap.geom.primitive.Point)
|
148 |
*/
|
149 |
public void setPoints(Point initialPoint, Point endPoint) { |
150 |
initialPoint = fixPoint(initialPoint); |
151 |
endPoint = fixPoint(endPoint); |
152 |
coordinates.clear(); |
153 |
addVertex(initialPoint); |
154 |
addVertex(endPoint); |
155 |
} |
156 |
|
157 |
/**
|
158 |
* @param initialPoint
|
159 |
* @return
|
160 |
*/
|
161 |
protected abstract Point fixPoint(Point point); |
162 |
|
163 |
/*
|
164 |
* (non-Javadoc)
|
165 |
*
|
166 |
* @see
|
167 |
* org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int,
|
168 |
* int)
|
169 |
*/
|
170 |
public double getCoordinateAt(int index, int dimension) { |
171 |
return coordinates.getOrdinate(index, dimension);
|
172 |
} |
173 |
|
174 |
/*
|
175 |
* (non-Javadoc)
|
176 |
*
|
177 |
* @see
|
178 |
* org.gvsig.fmap.geom.primitive.OrientablePrimitive#setCoordinateAt(int,
|
179 |
* int, double)
|
180 |
*/
|
181 |
public void setCoordinateAt(int index, int dimension, double value) { |
182 |
coordinates.setOrdinate(index, dimension, value); |
183 |
} |
184 |
|
185 |
/*
|
186 |
* (non-Javadoc)
|
187 |
*
|
188 |
* @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#removeVertex(int)
|
189 |
*/
|
190 |
public void removeVertex(int index) { |
191 |
coordinates.remove(index); |
192 |
} |
193 |
|
194 |
/*
|
195 |
* (non-Javadoc)
|
196 |
*
|
197 |
* @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getNumVertices()
|
198 |
*/
|
199 |
public int getNumVertices() { |
200 |
return coordinates.size();
|
201 |
} |
202 |
|
203 |
/*
|
204 |
* (non-Javadoc)
|
205 |
*
|
206 |
* @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#insertVertex(int,
|
207 |
* org.gvsig.fmap.geom.primitive.Point)
|
208 |
*/
|
209 |
public void insertVertex(int index, Point p) { |
210 |
p = fixPoint(p); |
211 |
coordinates.add(index, ((PointJTS) p).getJTSCoordinate()); |
212 |
} |
213 |
|
214 |
/*
|
215 |
* (non-Javadoc)
|
216 |
*
|
217 |
* @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setVertex(int,
|
218 |
* org.gvsig.fmap.geom.primitive.Point)
|
219 |
*/
|
220 |
public void setVertex(int index, Point p) { |
221 |
p = fixPoint(p); |
222 |
coordinates.set(index, ((PointJTS) p).getJTSCoordinate()); |
223 |
} |
224 |
|
225 |
/*
|
226 |
* (non-Javadoc)
|
227 |
*
|
228 |
* @see
|
229 |
* org.gvsig.fmap.geom.primitive.OrientablePrimitive#setGeneralPath(org.
|
230 |
* gvsig.fmap.geom.primitive.GeneralPathX)
|
231 |
*/
|
232 |
public void setGeneralPath(GeneralPathX generalPathX) { |
233 |
PathIterator it = generalPathX.getPathIterator(null); |
234 |
double[] segment = new double[6]; |
235 |
int i = 0; |
236 |
while(!it.isDone()){
|
237 |
int type = it.currentSegment(segment);
|
238 |
if(i==0){ |
239 |
switch (type) {
|
240 |
case IGeneralPathX.SEG_MOVETO:
|
241 |
Point p = new Point2D(segment[0], segment[1]); |
242 |
p = fixPoint(p); |
243 |
coordinates.add(((PointJTS)p).getJTSCoordinate()); |
244 |
break;
|
245 |
default:
|
246 |
String message = StringUtils.replace("Type of segment %(segment)s isn't SEG_MOVETO.","%(segment)s",String.valueOf(i)); |
247 |
logger.warn(message); |
248 |
throw new RuntimeException(message); |
249 |
} |
250 |
} else {
|
251 |
//Dudo de que los casos SEG_QUADTO y SEG_CUBICTO est?n bien pero se hac?a lo mismo en la librer?a de geometr?as vieja.
|
252 |
Point p;
|
253 |
switch (type) {
|
254 |
case IGeneralPathX.SEG_LINETO:
|
255 |
p = new Point2D(segment[0], segment[1]); |
256 |
p = fixPoint(p); |
257 |
coordinates.add(((PointJTS)p).getJTSCoordinate()); |
258 |
break;
|
259 |
case IGeneralPathX.SEG_QUADTO:
|
260 |
for (int j = 0; j <= 1; j++) { |
261 |
p = new Point2D(segment[i], segment[i+1]); |
262 |
p = fixPoint(p); |
263 |
coordinates.add(((PointJTS) p).getJTSCoordinate()); |
264 |
} |
265 |
break;
|
266 |
case IGeneralPathX.SEG_CUBICTO:
|
267 |
for (int j = 0; j <= 2; j++) { |
268 |
p = new Point2D(segment[i], segment[i+1]); |
269 |
p = fixPoint(p); |
270 |
coordinates.add(((PointJTS) p).getJTSCoordinate()); |
271 |
} |
272 |
break;
|
273 |
case IGeneralPathX.SEG_CLOSE:
|
274 |
coordinates.add(coordinates.get(0));
|
275 |
break;
|
276 |
default:
|
277 |
String message = StringUtils.replace("The general path has a gap in segment %(segment)s.","%(segment)s",String.valueOf(i)); |
278 |
logger.warn(message); |
279 |
throw new RuntimeException(message); |
280 |
} |
281 |
} |
282 |
it.next(); |
283 |
i++; |
284 |
} |
285 |
} |
286 |
|
287 |
/*
|
288 |
* (non-Javadoc)
|
289 |
*
|
290 |
* @see
|
291 |
* org.gvsig.fmap.geom.primitive.OrientablePrimitive#addMoveToVertex(org
|
292 |
* .gvsig.fmap.geom.primitive.Point)
|
293 |
*/
|
294 |
public void addMoveToVertex(Point point) { |
295 |
notifyDeprecated("Calling deprecated metohd addMoveToVertex in Line");
|
296 |
throw new UnsupportedOperationException(); |
297 |
} |
298 |
|
299 |
/*
|
300 |
* (non-Javadoc)
|
301 |
*
|
302 |
* @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#closePrimitive()
|
303 |
*/
|
304 |
public void closePrimitive() { |
305 |
if (!coordinates.isEmpty() && !coordinates.get(0).equals(coordinates.get(coordinates.size()-1))) { |
306 |
coordinates.add((Coordinate)coordinates.get(0).clone());
|
307 |
} |
308 |
} |
309 |
|
310 |
/*
|
311 |
* (non-Javadoc)
|
312 |
*
|
313 |
* @see
|
314 |
* org.gvsig.fmap.geom.primitive.OrientablePrimitive#ensureCapacity(int)
|
315 |
*/
|
316 |
public void ensureCapacity(int capacity) { |
317 |
this.coordinates.ensureCapacity(capacity);
|
318 |
} |
319 |
|
320 |
/*
|
321 |
* (non-Javadoc)
|
322 |
*
|
323 |
* @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)
|
324 |
*/
|
325 |
public void reProject(ICoordTrans ct) { |
326 |
if (ct == null) { |
327 |
return;
|
328 |
} |
329 |
ArrayListCoordinateSequence tmpCoordinates = new ArrayListCoordinateSequence();
|
330 |
tmpCoordinates.ensureCapacity(coordinates.size()); |
331 |
for (Iterator<Coordinate> iterator = coordinates.iterator(); iterator.hasNext();) { |
332 |
Coordinate coordinate = (Coordinate) iterator.next(); |
333 |
|
334 |
java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
|
335 |
try {
|
336 |
p = ct.convert(p, p); |
337 |
coordinate.x = p.getX(); |
338 |
coordinate.y = p.getY(); |
339 |
tmpCoordinates.add(coordinate); |
340 |
} catch (Exception exc) { |
341 |
/*
|
342 |
* This can happen when the reprojection lib is unable
|
343 |
* to reproject (for example the source point
|
344 |
* is out of the valid range and some computing
|
345 |
* problem happens)
|
346 |
*/
|
347 |
} |
348 |
} |
349 |
coordinates=tmpCoordinates; |
350 |
} |
351 |
|
352 |
/*
|
353 |
* (non-Javadoc)
|
354 |
*
|
355 |
* @see
|
356 |
* org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)
|
357 |
*/
|
358 |
public void transform(AffineTransform at) { |
359 |
if (at == null) { |
360 |
return;
|
361 |
} |
362 |
|
363 |
for (int i = 0; i < coordinates.size(); i++) { |
364 |
Coordinate coordinate = coordinates.get(i); |
365 |
java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
|
366 |
|
367 |
at.transform(p, p); |
368 |
coordinate.x = p.getX(); |
369 |
coordinate.y = p.getY(); |
370 |
|
371 |
} |
372 |
} |
373 |
|
374 |
/*
|
375 |
* (non-Javadoc)
|
376 |
*
|
377 |
* @see org.gvsig.fmap.geom.Geometry#getDimension()
|
378 |
*/
|
379 |
public int getDimension() { |
380 |
return this.getGeometryType().getDimension(); |
381 |
} |
382 |
|
383 |
/*
|
384 |
* (non-Javadoc)
|
385 |
*
|
386 |
* @see org.gvsig.fmap.geom.Geometry#getShape(java.awt.geom.AffineTransform)
|
387 |
*/
|
388 |
public Shape getShape(AffineTransform affineTransform) { |
389 |
if( this.coordinates.isEmpty() ) { |
390 |
// Esto no deberia de pasar, se trataria de una geometria
|
391 |
// corrupta.
|
392 |
return new GeneralPath(); |
393 |
} |
394 |
return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0); |
395 |
} |
396 |
|
397 |
/*
|
398 |
* (non-Javadoc)
|
399 |
*
|
400 |
* @see org.gvsig.fmap.geom.Geometry#getShape()
|
401 |
*/
|
402 |
public Shape getShape() { |
403 |
return new DefaultGeneralPathX(getPathIterator(null),false,0); |
404 |
} |
405 |
|
406 |
|
407 |
/*
|
408 |
* (non-Javadoc)
|
409 |
*
|
410 |
* @see
|
411 |
* org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
|
412 |
* )
|
413 |
*/
|
414 |
public PathIterator getPathIterator(AffineTransform at) { |
415 |
LineIterator pi = new LineIterator(at);
|
416 |
return pi;
|
417 |
} |
418 |
|
419 |
/*
|
420 |
* (non-Javadoc)
|
421 |
*
|
422 |
* @see
|
423 |
* org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
|
424 |
* , double)
|
425 |
*/
|
426 |
public PathIterator getPathIterator(AffineTransform at, double flatness) { |
427 |
return getPathIterator(at);
|
428 |
} |
429 |
|
430 |
/*
|
431 |
* (non-Javadoc)
|
432 |
*
|
433 |
* @see org.gvsig.fmap.geom.Geometry#getGeneralPath()
|
434 |
*/
|
435 |
public GeneralPathX getGeneralPath() {
|
436 |
return new DefaultGeneralPathX(getPathIterator(null), false, 0); |
437 |
} |
438 |
|
439 |
protected class LineIterator extends GeneralPathXIterator { |
440 |
|
441 |
/** Transform applied on the coordinates during iteration */
|
442 |
private AffineTransform at; |
443 |
|
444 |
/** True when the point has been read once */
|
445 |
private boolean done; |
446 |
private int index = 0; |
447 |
|
448 |
/**
|
449 |
* Creates a new PointIterator object.
|
450 |
*
|
451 |
* @param p
|
452 |
* The polygon
|
453 |
* @param at
|
454 |
* The affine transform applied to coordinates during
|
455 |
* iteration
|
456 |
*/
|
457 |
public LineIterator(AffineTransform at) { |
458 |
super(new GeneralPathX()); |
459 |
if (at == null) { |
460 |
at = new AffineTransform(); |
461 |
} |
462 |
|
463 |
this.at = at;
|
464 |
done = false;
|
465 |
} |
466 |
|
467 |
/**
|
468 |
* Return the winding rule for determining the interior of the path.
|
469 |
*
|
470 |
* @return <code>WIND_EVEN_ODD</code> by default.
|
471 |
*/
|
472 |
public int getWindingRule() { |
473 |
return PathIterator.WIND_EVEN_ODD; |
474 |
} |
475 |
|
476 |
/**
|
477 |
* @see java.awt.geom.PathIterator#next()
|
478 |
*/
|
479 |
public void next() { |
480 |
done = (coordinates.size() == ++index); |
481 |
} |
482 |
|
483 |
/**
|
484 |
* @see java.awt.geom.PathIterator#isDone()
|
485 |
*/
|
486 |
public boolean isDone() { |
487 |
return done;
|
488 |
} |
489 |
|
490 |
/**
|
491 |
* @see java.awt.geom.PathIterator#currentSegment(double[])
|
492 |
*/
|
493 |
public int currentSegment(double[] coords) { |
494 |
coords[0] = coordinates.getX(index);
|
495 |
coords[1] = coordinates.getY(index);
|
496 |
at.transform(coords, 0, coords, 0, 1); |
497 |
|
498 |
if (index == 0) { |
499 |
return PathIterator.SEG_MOVETO; |
500 |
} else {
|
501 |
return PathIterator.SEG_LINETO; |
502 |
} |
503 |
} |
504 |
|
505 |
/*
|
506 |
* (non-Javadoc)
|
507 |
*
|
508 |
* @see java.awt.geom.PathIterator#currentSegment(float[])
|
509 |
*/
|
510 |
public int currentSegment(float[] coords) { |
511 |
coords[0] = (float) coordinates.getX(index); |
512 |
coords[1] = (float) coordinates.getY(index); |
513 |
at.transform(coords, 0, coords, 0, 1); |
514 |
|
515 |
if (index == 0) { |
516 |
return PathIterator.SEG_MOVETO; |
517 |
} else {
|
518 |
return PathIterator.SEG_LINETO; |
519 |
} |
520 |
} |
521 |
} |
522 |
|
523 |
/*
|
524 |
* (non-Javadoc)
|
525 |
*
|
526 |
* @see org.gvsig.fmap.geom.jts.GeometryJTS#is3D()
|
527 |
*/
|
528 |
public boolean is3D() { |
529 |
int subtype = this.getGeometryType().getType(); |
530 |
return subtype == Geometry.SUBTYPES.GEOM3D || subtype == Geometry.SUBTYPES.GEOM3DM;
|
531 |
} |
532 |
|
533 |
protected boolean isClosed(){ |
534 |
return coordinates.get(0).equals(coordinates.get(coordinates.size()-1)); |
535 |
} |
536 |
|
537 |
/* (non-Javadoc)
|
538 |
* @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
|
539 |
*/
|
540 |
public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
541 |
Collections.reverse(coordinates);
|
542 |
} |
543 |
|
544 |
protected ArrayListCoordinateSequence cloneCoordinates() {
|
545 |
ArrayListCoordinateSequence cloned = new ArrayListCoordinateSequence();
|
546 |
cloned.ensureCapacity(coordinates.size()); |
547 |
for (Iterator iterator = coordinates.iterator(); iterator.hasNext();) { |
548 |
Coordinate coordinate = (Coordinate) iterator.next(); |
549 |
cloned.add((Coordinate)coordinate.clone()); |
550 |
} |
551 |
return cloned;
|
552 |
} |
553 |
|
554 |
} |