svn-gvsig-desktop / branches / org.gvsig.desktop-2018a / org.gvsig.desktop.library / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.buffer.impl / src / main / java / org / gvsig / raster / lib / buffer / impl / AbstractBuffer.java @ 43876
History | View | Annotate | Download (21.2 KB)
1 | 43803 | fdiaz | package org.gvsig.raster.lib.buffer.impl; |
---|---|---|---|
2 | |||
3 | import java.awt.geom.AffineTransform; |
||
4 | import java.awt.geom.NoninvertibleTransformException; |
||
5 | import java.util.ArrayList; |
||
6 | import java.util.Iterator; |
||
7 | import java.util.List; |
||
8 | |||
9 | import org.cresques.cts.ICoordTrans; |
||
10 | import org.cresques.cts.IProjection; |
||
11 | import org.slf4j.Logger; |
||
12 | import org.slf4j.LoggerFactory; |
||
13 | |||
14 | import org.gvsig.fmap.geom.Geometry; |
||
15 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
||
16 | import org.gvsig.fmap.geom.Geometry.TYPES; |
||
17 | import org.gvsig.fmap.geom.GeometryLocator; |
||
18 | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
||
19 | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
||
20 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
||
21 | import org.gvsig.fmap.geom.primitive.Envelope; |
||
22 | import org.gvsig.fmap.geom.primitive.Point; |
||
23 | import org.gvsig.raster.lib.buffer.api.Band; |
||
24 | import org.gvsig.raster.lib.buffer.api.Band.BandByte; |
||
25 | import org.gvsig.raster.lib.buffer.api.Band.BandDouble; |
||
26 | import org.gvsig.raster.lib.buffer.api.Band.BandFloat; |
||
27 | import org.gvsig.raster.lib.buffer.api.Band.BandInt; |
||
28 | import org.gvsig.raster.lib.buffer.api.Band.BandShort; |
||
29 | import org.gvsig.raster.lib.buffer.api.BandInfo; |
||
30 | import org.gvsig.raster.lib.buffer.api.BandNotification; |
||
31 | import org.gvsig.raster.lib.buffer.api.Buffer; |
||
32 | import org.gvsig.raster.lib.buffer.api.BufferDimensions; |
||
33 | import org.gvsig.raster.lib.buffer.api.BufferLocator; |
||
34 | import org.gvsig.raster.lib.buffer.api.BufferManager; |
||
35 | import org.gvsig.raster.lib.buffer.api.BufferNotification; |
||
36 | import org.gvsig.raster.lib.buffer.api.NoData; |
||
37 | import org.gvsig.raster.lib.buffer.api.exceptions.BandException; |
||
38 | import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
||
39 | import org.gvsig.raster.lib.buffer.api.statistics.Statistics; |
||
40 | import org.gvsig.raster.lib.buffer.impl.statistics.DefaultStatistics; |
||
41 | import org.gvsig.tools.ToolsLocator; |
||
42 | import org.gvsig.tools.dispose.Disposable; |
||
43 | import org.gvsig.tools.dispose.DisposeUtils; |
||
44 | import org.gvsig.tools.exception.BaseException; |
||
45 | import org.gvsig.tools.locator.LocatorException; |
||
46 | import org.gvsig.tools.observer.Notification; |
||
47 | import org.gvsig.tools.observer.Observable; |
||
48 | import org.gvsig.tools.observer.impl.BaseWeakReferencingObservable; |
||
49 | import org.gvsig.tools.task.SimpleTaskStatus; |
||
50 | |||
51 | |||
52 | /**
|
||
53 | * @author fdiaz
|
||
54 | *
|
||
55 | */
|
||
56 | public abstract class AbstractBuffer extends BaseWeakReferencingObservable implements Buffer { |
||
57 | |||
58 | protected static final Logger logger = LoggerFactory.getLogger(AbstractBuffer.class); |
||
59 | |||
60 | protected List<Band> bands; |
||
61 | // protected FilterList filters;
|
||
62 | protected IProjection projection;
|
||
63 | protected Statistics statistics;
|
||
64 | protected BufferDimensions dimensions = null; |
||
65 | |||
66 | // to make it disposable
|
||
67 | private final Object lock = new Object(); |
||
68 | private boolean disposed = false; |
||
69 | |||
70 | /**
|
||
71 | *
|
||
72 | */
|
||
73 | public AbstractBuffer() {
|
||
74 | if(ToolsLocator.getDisposableManager() != null) { |
||
75 | ToolsLocator.getDisposableManager().bind(this);
|
||
76 | } else {
|
||
77 | logger.warn("Can't retrieve the disposable manager,");
|
||
78 | } |
||
79 | } |
||
80 | |||
81 | @Override
|
||
82 | public Statistics getStatistics(SimpleTaskStatus status) {
|
||
83 | if (statistics == null) { |
||
84 | statistics = new DefaultStatistics();
|
||
85 | } |
||
86 | if (!statistics.isCalculated()) {
|
||
87 | statistics.calculate(status, bands); // scale ???
|
||
88 | } |
||
89 | return statistics;
|
||
90 | } |
||
91 | |||
92 | @Override
|
||
93 | public Iterator<Band> iterator() { |
||
94 | return bands.iterator();
|
||
95 | } |
||
96 | |||
97 | @Override
|
||
98 | public void update(Observable observable, Object notification) { |
||
99 | if (notification instanceof BandNotification && observable instanceof Band) { |
||
100 | Notification bandNotification = (Notification) notification; |
||
101 | if (bandNotification.getType().equals(BandNotification.COPY_FROM)
|
||
102 | || bandNotification.getType().equals(BandNotification.FILL) |
||
103 | || bandNotification.getType().equals(BandNotification.PUT_ROW) |
||
104 | || bandNotification.getType().equals(BandNotification.SET)) { |
||
105 | this.statistics = null; |
||
106 | this.notifyObservers(new DefaultBufferNotification(BufferNotification.CHANGE_BAND, |
||
107 | new Object[] { observable })); |
||
108 | } else if (bandNotification.getType().equals(BandNotification.LOADED_PAGE)){ |
||
109 | this.notifyObservers(new DefaultBufferNotification(BufferNotification.LOADED_PAGE, |
||
110 | new Object[] { this })); |
||
111 | } |
||
112 | } |
||
113 | } |
||
114 | |||
115 | // @Override
|
||
116 | // public void filter(FilterList filterList) {
|
||
117 | // this.filters = filterList;
|
||
118 | // }
|
||
119 | |||
120 | @Override
|
||
121 | public int getBandCount() { |
||
122 | return bands.size();
|
||
123 | } |
||
124 | |||
125 | @Override
|
||
126 | public Band[] getBands() { |
||
127 | Band[] arrayBands = new Band[bands.size()]; |
||
128 | return bands.toArray(arrayBands);
|
||
129 | } |
||
130 | |||
131 | @Override
|
||
132 | public int getColumns() { |
||
133 | return this.dimensions.getColumns(); |
||
134 | } |
||
135 | |||
136 | @Override
|
||
137 | public int getRows() { |
||
138 | return this.dimensions.getRows(); |
||
139 | } |
||
140 | |||
141 | @Override
|
||
142 | public Envelope getEnvelope() {
|
||
143 | return this.dimensions.getEnvelope(); |
||
144 | } |
||
145 | |||
146 | @Override
|
||
147 | public BufferDimensions getDimensions() {
|
||
148 | return this.dimensions; |
||
149 | } |
||
150 | |||
151 | @Override
|
||
152 | public IProjection getProjection() {
|
||
153 | return this.projection; |
||
154 | } |
||
155 | |||
156 | @Override
|
||
157 | public boolean isInside(int cellX, int cellY) { |
||
158 | return (cellX >= 0 && cellX < this.getColumns() && cellY >= 0 && cellY < this.getRows()); |
||
159 | } |
||
160 | |||
161 | @Override
|
||
162 | public boolean isInside(Point point) { |
||
163 | |||
164 | if (getEnvelope() == null) { |
||
165 | return false; |
||
166 | } |
||
167 | |||
168 | try {
|
||
169 | return getEnvelope().getGeometry().contains(point);
|
||
170 | } catch (GeometryOperationNotSupportedException | GeometryOperationException e) {
|
||
171 | logger.warn("It could not determine if the point is on the envelope", e);
|
||
172 | return false; |
||
173 | } |
||
174 | } |
||
175 | |||
176 | @Override
|
||
177 | public void addBand(Band band) { |
||
178 | |||
179 | if (band.getColumns() != this.getColumns() || band.getRows() != this.getRows()) { |
||
180 | throw new IllegalArgumentException( |
||
181 | "Can not add band to buffer. Band must have the same rows and columns as buffer.");
|
||
182 | } |
||
183 | |||
184 | this.bands.add(band);
|
||
185 | DisposeUtils.bind(band); |
||
186 | band.addObserver(this);
|
||
187 | this.statistics = null; |
||
188 | this.notifyObservers(new DefaultBufferNotification(BufferNotification.ADD_BAND, new Object[] { band })); |
||
189 | } |
||
190 | |||
191 | @Override
|
||
192 | public void setBand(int pos, Band band) throws BandException { |
||
193 | this.bands.get(pos).copyFrom(band);
|
||
194 | this.statistics = null; |
||
195 | this.notifyObservers(new DefaultBufferNotification(BufferNotification.SET_BAND, new Object[] { pos, band })); |
||
196 | } |
||
197 | |||
198 | @Override
|
||
199 | public void removeBand(int pos) { |
||
200 | Band band = this.bands.get(pos);
|
||
201 | band.deleteObserver(this);
|
||
202 | this.bands.remove(pos);
|
||
203 | this.statistics = null; |
||
204 | this.notifyObservers(new DefaultBufferNotification(BufferNotification.REMOVE_BAND, new Object[] { pos })); |
||
205 | } |
||
206 | |||
207 | @Override
|
||
208 | public Band getBand(int pos) { |
||
209 | return this.bands.get(pos); |
||
210 | } |
||
211 | |||
212 | @Override
|
||
213 | public BandByte getBandByte(int pos) { |
||
214 | if (this.bands.get(pos).getDataType() != BufferManager.TYPE_BYTE) { |
||
215 | throw new IllegalArgumentException(String.format("Band in position %1s is type of %2s, byte expected", pos, this.bands |
||
216 | .get(pos).getDataType())); |
||
217 | } |
||
218 | return (BandByte) this.bands.get(pos); |
||
219 | } |
||
220 | |||
221 | @Override
|
||
222 | public BandShort getBandShort(int pos) { |
||
223 | if (this.bands.get(pos).getDataType() != BufferManager.TYPE_SHORT) { |
||
224 | throw new IllegalArgumentException(String.format("Band in position %1s is type of %2s, short expected", pos, this.bands |
||
225 | .get(pos).getDataType())); |
||
226 | } |
||
227 | return (BandShort) this.bands.get(pos); |
||
228 | } |
||
229 | |||
230 | @Override
|
||
231 | public BandInt getBandInt(int pos) { |
||
232 | if (this.bands.get(pos).getDataType() != BufferManager.TYPE_INT) { |
||
233 | throw new IllegalArgumentException(String.format("Band in position %1s is type of %2s, int expected", pos, this.bands |
||
234 | .get(pos).getDataType())); |
||
235 | } |
||
236 | return (BandInt) this.bands.get(pos); |
||
237 | |||
238 | } |
||
239 | |||
240 | @Override
|
||
241 | public BandFloat getBandFloat(int pos) { |
||
242 | if (this.bands.get(pos).getDataType() != BufferManager.TYPE_FLOAT) { |
||
243 | throw new IllegalArgumentException(String.format("Band in position %1s is type of %2s, float expected", pos, this.bands |
||
244 | .get(pos).getDataType())); |
||
245 | } |
||
246 | return (BandFloat) this.bands.get(pos); |
||
247 | |||
248 | } |
||
249 | |||
250 | @Override
|
||
251 | public BandDouble getBandDouble(int pos) { |
||
252 | if (this.bands.get(pos).getDataType() != BufferManager.TYPE_DOUBLE) { |
||
253 | throw new IllegalArgumentException(String.format("Band in position %1s is type of %2s, double expected", pos, this.bands |
||
254 | .get(pos).getDataType())); |
||
255 | } |
||
256 | return (BandDouble) this.bands.get(pos); |
||
257 | |||
258 | } |
||
259 | |||
260 | @Override
|
||
261 | public void switchBands(int[] positions) { |
||
262 | List<Integer> visited = new ArrayList<Integer>(); |
||
263 | if (positions.length != this.getBandCount()) { |
||
264 | throw new IllegalArgumentException("Position array length has to be the same as band count"); |
||
265 | } |
||
266 | for (int i = 0; i < positions.length; i++) { |
||
267 | Integer position = new Integer(positions[i]); |
||
268 | if (visited.contains(position)) {
|
||
269 | throw new IllegalArgumentException(String.format( |
||
270 | "Position array can not have duplicated bands. Duplicated value: %1s", position));
|
||
271 | } |
||
272 | visited.add(position); |
||
273 | } |
||
274 | |||
275 | List<Band> auxBands = new ArrayList<Band>(bands.size()); |
||
276 | for (int i = 0; i < visited.size(); i++) { |
||
277 | auxBands.add(bands.get(visited.get(i))); |
||
278 | } |
||
279 | bands = auxBands; |
||
280 | this.statistics = null; |
||
281 | this.notifyObservers(new DefaultBufferNotification(BufferNotification.SWITCH_BAND, new Object[] { positions })); |
||
282 | } |
||
283 | |||
284 | @Override
|
||
285 | public void switchBands(int pos1, int pos2) { |
||
286 | Band auxBand = bands.get(pos1); |
||
287 | bands.set(pos1, bands.get(pos2)); |
||
288 | bands.set(pos2, auxBand); |
||
289 | this.statistics = null; |
||
290 | this.notifyObservers(new DefaultBufferNotification(BufferNotification.SWITCH_BAND, new Object[] { pos1, pos2 })); |
||
291 | } |
||
292 | |||
293 | @Override
|
||
294 | public Buffer createInterpolated(int rows, int columns, int interpolationMode, SimpleTaskStatus status) |
||
295 | throws BufferException {
|
||
296 | if(rows==0 || columns==0){ |
||
297 | return null; |
||
298 | } |
||
299 | |||
300 | try {
|
||
301 | Buffer target =
|
||
302 | BufferLocator.getBufferManager().createBuffer(rows, columns, this.getBandTypes(),
|
||
303 | this.getBandNoData(), this.getProjection(), this.getEnvelope(), null); |
||
304 | BufferInterpolation interp = new BufferInterpolation();
|
||
305 | switch (interpolationMode) {
|
||
306 | case Buffer.INTERPOLATION_NearestNeighbour: |
||
307 | interp.nearestNeighbourInterpolation(this, target, status);
|
||
308 | break;
|
||
309 | case Buffer.INTERPOLATION_Bilinear: |
||
310 | interp.bilinearInterpolation(this, target, status);
|
||
311 | break;
|
||
312 | case Buffer.INTERPOLATION_InverseDistance: |
||
313 | interp.inverseDistanceInterpolation(this, target, status);
|
||
314 | break;
|
||
315 | case Buffer.INTERPOLATION_BicubicSpline: |
||
316 | interp.bicubicSplineInterpolation(this, target, status);
|
||
317 | break;
|
||
318 | case Buffer.INTERPOLATION_BSpline: |
||
319 | interp.bSplineInterpolation(this, target, status);
|
||
320 | break;
|
||
321 | } |
||
322 | return target;
|
||
323 | } catch (LocatorException e) {
|
||
324 | throw new BufferException(e); |
||
325 | } |
||
326 | } |
||
327 | |||
328 | @Override
|
||
329 | public Buffer convert(ICoordTrans ct, SimpleTaskStatus status) throws BufferException { |
||
330 | |||
331 | if (this.getEnvelope() == null) { |
||
332 | throw new IllegalStateException("Buffer envelope is null. A buffer allways has to have envelope"); |
||
333 | } |
||
334 | |||
335 | boolean isMyStatus = false; |
||
336 | if (status == null) { |
||
337 | status = |
||
338 | ToolsLocator.getTaskStatusManager().createDefaultSimpleTaskStatus( |
||
339 | String.format("Projecting buffer from %1s to %2s", ct.getPOrig().getAbrev(), ct.getPDest() |
||
340 | .getAbrev())); |
||
341 | status.add(); |
||
342 | isMyStatus = true;
|
||
343 | } else {
|
||
344 | status.push(); |
||
345 | } |
||
346 | |||
347 | Envelope projectedBufferEnvelope = this.getEnvelope().convert(ct);
|
||
348 | // Get size of new buffer
|
||
349 | double[] newsize = getSize(this.getEnvelope(), projectedBufferEnvelope, this.getColumns(), this.getRows()); |
||
350 | int projectedBufferColumns = (int) newsize[0]; |
||
351 | int projectedBufferRows = (int) newsize[1]; |
||
352 | |||
353 | int[] bandDataTypes = this.getBandTypes(); |
||
354 | NoData[] bandNoData = this.getBandNoData(); |
||
355 | |||
356 | status.message("Creating projected buffer");
|
||
357 | Buffer projectedBuffer =
|
||
358 | BufferLocator.getBufferManager().createBuffer(projectedBufferRows, projectedBufferColumns, bandDataTypes, |
||
359 | bandNoData, ct.getPDest(), projectedBufferEnvelope); |
||
360 | |||
361 | // This affine transform allow us to convert pixel to coordinate and inverse
|
||
362 | AffineTransform bufferAf = calculateAffineTransform(this.getEnvelope(), this.getRows(), this.getColumns()); |
||
363 | AffineTransform projectedBufferAf =
|
||
364 | calculateAffineTransform(projectedBufferEnvelope, projectedBufferRows, projectedBufferColumns); |
||
365 | |||
366 | ICoordTrans invertedCt = ct.getInverted(); |
||
367 | AffineTransform inverseBufferAf;
|
||
368 | try {
|
||
369 | inverseBufferAf = bufferAf.createInverse(); |
||
370 | } catch (NoninvertibleTransformException e1) { |
||
371 | status.abort(); |
||
372 | logger.error("Can not create inverse transformation of {}", bufferAf);
|
||
373 | throw new BufferException(e1); |
||
374 | } |
||
375 | |||
376 | status.setRangeOfValues(0,
|
||
377 | projectedBuffer.getRows() * projectedBuffer.getColumns() * projectedBuffer.getBandCount()); |
||
378 | status.message("Projecting buffer");
|
||
379 | |||
380 | Point point;
|
||
381 | try {
|
||
382 | point = (Point) GeometryLocator.getGeometryManager().create(TYPES.POINT, SUBTYPES.GEOM2D);
|
||
383 | } catch (CreateGeometryException | LocatorException e1) {
|
||
384 | status.abort(); |
||
385 | logger.error("Can not create point geometry to project buffer");
|
||
386 | throw new BufferException(e1); |
||
387 | } |
||
388 | for (int row = 0; row < projectedBuffer.getRows(); row++) { |
||
389 | |||
390 | if (status.isCancellationRequested()) {
|
||
391 | status.cancel(); |
||
392 | return projectedBuffer;
|
||
393 | } |
||
394 | |||
395 | for (int col = 0; col < projectedBuffer.getColumns(); col++) { |
||
396 | point.setX(col); |
||
397 | point.setY(row); |
||
398 | |||
399 | point.transform(projectedBufferAf); // projected buffer
|
||
400 | // pixel to world point
|
||
401 | // (target projection)
|
||
402 | point.reProject(invertedCt); // projected world point
|
||
403 | // to world point (source
|
||
404 | // projection)
|
||
405 | point.transform(inverseBufferAf); // world point to
|
||
406 | // pixel source
|
||
407 | // buffer
|
||
408 | |||
409 | double floorPointX = Math.floor(point.getX()); |
||
410 | double floorPointY = Math.floor(point.getY()); |
||
411 | boolean isValidPoint =
|
||
412 | point.getX() >= 0 && floorPointX < this.getColumns() && point.getY() >= 0 |
||
413 | && floorPointY < this.getRows();
|
||
414 | |||
415 | for (int k = 0; k < this.getBandCount(); k++) { |
||
416 | |||
417 | status.setCurValue(row * col * k); |
||
418 | Band band = this.bands.get(k);
|
||
419 | Number value = null; |
||
420 | if (isValidPoint) {
|
||
421 | value = (Number) band.get((int) floorPointY, (int) floorPointX); |
||
422 | } else if (band.getNoData().isDefined()) { |
||
423 | value = band.getNoData().getValue(); |
||
424 | } else {
|
||
425 | continue;
|
||
426 | } |
||
427 | |||
428 | Band projectedBand = projectedBuffer.getBand(k); |
||
429 | int dataType = projectedBand.getDataType();
|
||
430 | switch (dataType) {
|
||
431 | case BufferManager.TYPE_BYTE:
|
||
432 | projectedBand.set(row, col, value.byteValue()); |
||
433 | break;
|
||
434 | case BufferManager.TYPE_SHORT:
|
||
435 | projectedBand.set(row, col, value.shortValue()); |
||
436 | break;
|
||
437 | case BufferManager.TYPE_INT:
|
||
438 | projectedBand.set(row, col, value.intValue()); |
||
439 | break;
|
||
440 | case BufferManager.TYPE_FLOAT:
|
||
441 | projectedBand.set(row, col, value.floatValue()); |
||
442 | break;
|
||
443 | case BufferManager.TYPE_DOUBLE:
|
||
444 | projectedBand.set(row, col, value.doubleValue()); |
||
445 | break;
|
||
446 | default:
|
||
447 | break;
|
||
448 | } |
||
449 | } |
||
450 | |||
451 | } |
||
452 | } |
||
453 | |||
454 | if (isMyStatus) {
|
||
455 | status.terminate(); |
||
456 | } else {
|
||
457 | status.pop(); |
||
458 | } |
||
459 | return projectedBuffer;
|
||
460 | } |
||
461 | |||
462 | private double[] getSize(Envelope envelope, Envelope projectedEnvelope, int p1x, int p1y) { |
||
463 | double sumSideOldBBox = envelope.getLength(0) + envelope.getLength(1); |
||
464 | double sumSideNewBBox = projectedEnvelope.getLength(0) + projectedEnvelope.getLength(1); |
||
465 | double d1x = (envelope.getLength(0) * 100) / sumSideOldBBox; |
||
466 | double d1y = (envelope.getLength(1) * 100) / sumSideOldBBox; |
||
467 | double d2x = (projectedEnvelope.getLength(0) * 100) / sumSideNewBBox; |
||
468 | double d2y = (projectedEnvelope.getLength(1) * 100) / sumSideNewBBox; |
||
469 | double p2y = (p1y * d2y) / d1y;
|
||
470 | double p2x = (p1x * d2x) / d1x;
|
||
471 | double newCellSizeX = projectedEnvelope.getLength(0) / p2x; |
||
472 | double newCellSizeY= projectedEnvelope.getLength(1) / p2y; |
||
473 | return new double[] { Math.round(p2x), Math.round(p2y), newCellSizeX, newCellSizeY }; |
||
474 | } |
||
475 | |||
476 | private AffineTransform calculateAffineTransform(Envelope projectedBufferEnvelope, int projectedBufferRows, |
||
477 | int projectedBufferColumns) {
|
||
478 | |||
479 | double cellSizeX = projectedBufferEnvelope.getLength(0) / projectedBufferColumns; |
||
480 | double cellSizeY = projectedBufferEnvelope.getLength(1) / projectedBufferRows; |
||
481 | |||
482 | return new AffineTransform(cellSizeX, 0d, 0d, -cellSizeY, projectedBufferEnvelope.getMinimum(0), |
||
483 | projectedBufferEnvelope.getMaximum(1));
|
||
484 | } |
||
485 | |||
486 | |||
487 | public int[] getBandTypes() { |
||
488 | int[] bandDataTypes = new int[this.getBandCount()]; |
||
489 | for (int i = 0; i < this.bands.size(); i++) { |
||
490 | bandDataTypes[i] = this.bands.get(i).getDataType();
|
||
491 | } |
||
492 | return bandDataTypes;
|
||
493 | } |
||
494 | |||
495 | 43876 | jjdelcerro | @Override
|
496 | public boolean areAllBandsOfTheSameType() { |
||
497 | if( this.bands.isEmpty() ) { |
||
498 | return true; |
||
499 | } |
||
500 | int type = this.bands.get(0).getDataType(); |
||
501 | for (int i = 1; i < this.bands.size(); i++) { |
||
502 | if( type != this.bands.get(i).getDataType() ) { |
||
503 | return false; |
||
504 | } |
||
505 | } |
||
506 | return true; |
||
507 | } |
||
508 | |||
509 | 43803 | fdiaz | public NoData[] getBandNoData() { |
510 | NoData[] bandNoData = new NoData[this.getBandCount()]; |
||
511 | for (int i = 0; i < this.bands.size(); i++) { |
||
512 | bandNoData[i] = this.bands.get(i).getNoData();
|
||
513 | } |
||
514 | return bandNoData;
|
||
515 | } |
||
516 | |||
517 | @Override
|
||
518 | public Buffer clip(Envelope envelope) throws BufferException { |
||
519 | try {
|
||
520 | return BufferLocator.getBufferManager().createClippedBuffer(this, envelope); |
||
521 | } catch (LocatorException | BufferException e) {
|
||
522 | throw new BufferException(e); |
||
523 | } |
||
524 | } |
||
525 | |||
526 | public double getPixelSizeX(){ |
||
527 | return this.dimensions.getPixelSizeX(); |
||
528 | } |
||
529 | |||
530 | public double getPixelSizeY(){ |
||
531 | return this.dimensions.getPixelSizeY(); |
||
532 | } |
||
533 | |||
534 | public final void dispose() { |
||
535 | synchronized (lock) {
|
||
536 | // Check if we have already been disposed, and don't do it again
|
||
537 | if (!disposed) {
|
||
538 | if ( ToolsLocator.getDisposableManager().release(this) ) { |
||
539 | try {
|
||
540 | doDispose(); |
||
541 | } catch (BaseException ex) {
|
||
542 | logger.error("Error performing dispose", ex);
|
||
543 | } |
||
544 | disposed = true;
|
||
545 | } |
||
546 | } |
||
547 | } |
||
548 | } |
||
549 | |||
550 | /**
|
||
551 | * Internal implementation for the {@link #dispose()} method.
|
||
552 | *
|
||
553 | * @see #dispose()
|
||
554 | */
|
||
555 | public void doDispose() throws BaseException { |
||
556 | for (Iterator<Band> iterator = bands.iterator(); iterator.hasNext();) { |
||
557 | Band band = (Band) iterator.next(); |
||
558 | DisposeUtils.dispose(band); |
||
559 | } |
||
560 | bands.removeAll(bands); |
||
561 | projection = null;
|
||
562 | //TODO: ?FilterList Disposable?
|
||
563 | // filters = null;
|
||
564 | statistics = null;
|
||
565 | dimensions = null;
|
||
566 | } |
||
567 | |||
568 | @Override
|
||
569 | protected void finalize() throws Throwable { |
||
570 | super.finalize();
|
||
571 | } |
||
572 | |||
573 | @Override
|
||
574 | public BandInfo[] getBandsInfo() { |
||
575 | BandInfo[] bandsInfo = new BandInfo[this.bands.size()]; |
||
576 | for (int i = 0; i < this.bands.size(); i++) { |
||
577 | bandsInfo[i] = this.bands.get(i).getBandInfo();
|
||
578 | } |
||
579 | return bandsInfo;
|
||
580 | } |
||
581 | } |