Revision 5525 org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.buffer/org.gvsig.raster.lib.buffer.impl/src/main/java/org/gvsig/raster/lib/buffer/impl/DefaultBuffer.java
| DefaultBuffer.java | ||
|---|---|---|
| 1 | 1 |
package org.gvsig.raster.lib.buffer.impl; |
| 2 | 2 |
|
| 3 |
import java.awt.geom.AffineTransform; |
|
| 3 | 4 |
import java.util.ArrayList; |
| 4 | 5 |
import java.util.Iterator; |
| 5 | 6 |
import java.util.List; |
| 6 | 7 |
|
| 7 | 8 |
import org.cresques.cts.ICoordTrans; |
| 8 | 9 |
import org.cresques.cts.IProjection; |
| 9 |
import org.slf4j.Logger; |
|
| 10 |
import org.slf4j.LoggerFactory; |
|
| 11 |
|
|
| 12 | 10 |
import org.gvsig.fmap.geom.Geometry; |
| 13 | 11 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 14 | 12 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
| ... | ... | |
| 28 | 26 |
import org.gvsig.raster.lib.buffer.api.NoData; |
| 29 | 27 |
import org.gvsig.raster.lib.buffer.api.PageManager; |
| 30 | 28 |
import org.gvsig.raster.lib.buffer.api.exceptions.BandException; |
| 29 |
import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
|
| 31 | 30 |
import org.gvsig.raster.lib.buffer.api.statistics.Statistics; |
| 32 | 31 |
import org.gvsig.raster.lib.buffer.impl.exceptions.CreateBufferException; |
| 33 | 32 |
import org.gvsig.raster.lib.buffer.impl.statistics.DefaultStatistics; |
| 34 | 33 |
import org.gvsig.tools.task.SimpleTaskStatus; |
| 34 |
import org.slf4j.Logger; |
|
| 35 |
import org.slf4j.LoggerFactory; |
|
| 35 | 36 |
|
| 36 | 37 |
/** |
| 37 | 38 |
* @author fdiaz |
| ... | ... | |
| 67 | 68 |
* Projection of buffer |
| 68 | 69 |
* @param envelope |
| 69 | 70 |
* Envelope of buffer |
| 70 |
* @param pageManager |
|
| 71 |
* @param pageManagers
|
|
| 71 | 72 |
* Page manager to paginate this buffer. If page manager is null, |
| 72 | 73 |
* buffer will be loaded in memory. |
| 73 | 74 |
* @throws CreateBufferException |
| 74 | 75 |
* If there are some problems creating buffer. |
| 75 | 76 |
*/ |
| 76 | 77 |
public DefaultBuffer(int rows, int columns, int[] bandDataTypes, NoData[] bandNoData, |
| 77 |
IProjection projection, Envelope envelope, PageManager pageManager)
|
|
| 78 |
IProjection projection, Envelope envelope, List<PageManager> pageManagers)
|
|
| 78 | 79 |
throws CreateBufferException {
|
| 79 | 80 |
this.bands = new ArrayList<Band>(); |
| 80 | 81 |
this.rows = rows; |
| ... | ... | |
| 84 | 85 |
try {
|
| 85 | 86 |
if (envelope == null) {
|
| 86 | 87 |
this.envelope = |
| 87 |
GeometryLocator.getGeometryManager().createEnvelope(0, 0, columns, rows, Geometry.SUBTYPES.GEOM2D); |
|
| 88 |
GeometryLocator.getGeometryManager().createEnvelope(0, 0, columns, rows, |
|
| 89 |
Geometry.SUBTYPES.GEOM2D); |
|
| 88 | 90 |
} |
| 89 |
this.bandPageManager = pageManager;
|
|
| 90 |
createBands(bandDataTypes, bandNoData); |
|
| 91 |
// this.bandPageManager = pageManagers;
|
|
| 92 |
createBands(bandDataTypes, bandNoData, pageManagers);
|
|
| 91 | 93 |
} catch (Exception e) {
|
| 92 | 94 |
throw new CreateBufferException(e); |
| 93 | 95 |
} |
| 94 | 96 |
} |
| 95 | 97 |
|
| 96 |
private void createBands(int[] bandDataTypes, NoData[] bandNoData) throws BandException {
|
|
| 97 |
|
|
| 98 |
private void createBands(int[] bandDataTypes, NoData[] bandNoData, |
|
| 99 |
List<PageManager> pageManagers) throws BandException {
|
|
| 100 |
|
|
| 98 | 101 |
BufferManager bufferManager = BufferLocator.getBufferManager(); |
| 99 | 102 |
|
| 100 | 103 |
for (int i = 0; i < bandDataTypes.length; i++) {
|
| ... | ... | |
| 103 | 106 |
if (bandNoData != null && i < bandNoData.length) {
|
| 104 | 107 |
noDataBand = bandNoData[i]; |
| 105 | 108 |
} |
| 109 |
|
|
| 110 |
PageManager pageManager = null; |
|
| 111 |
if (pageManagers != null && i < pageManagers.size()) {
|
|
| 112 |
pageManager = pageManagers.get(i); |
|
| 113 |
} |
|
| 106 | 114 |
|
| 107 | 115 |
bands.add(bufferManager.createBand(bandDataTypes[i], this.rows, this.columns, |
| 108 |
noDataBand, this.bandPageManager));
|
|
| 116 |
noDataBand, pageManager));
|
|
| 109 | 117 |
} |
| 110 | 118 |
} |
| 111 | 119 |
|
| ... | ... | |
| 184 | 192 |
@Override |
| 185 | 193 |
public void addBand(Band band) {
|
| 186 | 194 |
|
| 187 |
if(band.getColumns() != this.getColumns() || band.getRows() != this.getRows()){
|
|
| 195 |
if (band.getColumns() != this.getColumns() || band.getRows() != this.getRows()) {
|
|
| 188 | 196 |
throw new IllegalArgumentException( |
| 189 | 197 |
"Can not add band to buffer. Band must have the same rows and columns as buffer."); |
| 190 | 198 |
} |
| ... | ... | |
| 274 | 282 |
} |
| 275 | 283 |
|
| 276 | 284 |
List<Band> auxBands = new ArrayList<Band>(bands.size()); |
| 277 |
for(int i=0; i < visited.size(); i++){
|
|
| 285 |
for (int i = 0; i < visited.size(); i++) {
|
|
| 278 | 286 |
auxBands.add(bands.get(visited.get(i))); |
| 279 | 287 |
} |
| 280 | 288 |
bands = auxBands; |
| ... | ... | |
| 295 | 303 |
} |
| 296 | 304 |
|
| 297 | 305 |
@Override |
| 298 |
public Buffer convert(ICoordTrans ct, SimpleTaskStatus status) {
|
|
| 306 |
public Buffer convert(ICoordTrans ct, SimpleTaskStatus status) throws BufferException {
|
|
| 299 | 307 |
|
| 300 |
// for (Band band : bands) {
|
|
| 301 |
// band.convert(ct); |
|
| 302 |
// |
|
| 303 |
// } |
|
| 308 |
if (this.getEnvelope() == null) {
|
|
| 309 |
throw new IllegalStateException( |
|
| 310 |
"Buffer envelope is null. A buffer allways has to have envelope"); |
|
| 311 |
} |
|
| 312 |
|
|
| 313 |
Envelope projectedBufferEnvelope = this.getEnvelope().convert(ct); |
|
| 314 |
double projectedBufferCellSizeX = projectedBufferEnvelope.getLength(0) / this.columns; |
|
| 315 |
double projectedBufferCellSizeY = projectedBufferEnvelope.getLength(1) / this.rows; |
|
| 316 |
int projectedBufferRows = |
|
| 317 |
(int) Math.ceil(projectedBufferEnvelope.getLength(0) / projectedBufferCellSizeX); |
|
| 318 |
int projectedBufferColumns = |
|
| 319 |
(int) Math.ceil(projectedBufferEnvelope.getLength(1) / projectedBufferCellSizeY); |
|
| 320 |
|
|
| 321 |
int[] bandDataTypes = this.getBandTypes(); |
|
| 322 |
NoData[] bandNoData = this.getBandNoData(); |
|
| 323 |
List<PageManager> pageManagers = |
|
| 324 |
BufferLocator.getBufferManager().createSimpleBandPageManagerList(null, |
|
| 325 |
projectedBufferRows, projectedBufferColumns, bandDataTypes); |
|
| 326 |
|
|
| 327 |
Buffer projectedBuffer = |
|
| 328 |
BufferLocator.getBufferManager().createBuffer(projectedBufferRows, |
|
| 329 |
projectedBufferColumns, bandDataTypes, bandNoData, ct.getPDest(), |
|
| 330 |
projectedBufferEnvelope, pageManagers); |
|
| 331 |
|
|
| 332 |
// This affine transform allow us to convert pixel to coordinate and |
|
| 333 |
// inverse |
|
| 334 |
AffineTransform projectedBufferAf = |
|
| 335 |
calculateAffineTransform(projectedBufferEnvelope, projectedBufferRows, |
|
| 336 |
projectedBufferColumns); |
|
| 337 |
|
|
| 338 |
for (int row = 0; row < projectedBuffer.getRows(); row++) {
|
|
| 339 |
for (int col = 0; col < projectedBuffer.getColumns(); col++) {
|
|
| 340 |
|
|
| 341 |
// Point worldPoint = new Poin2: |
|
| 342 |
|
|
| 343 |
} |
|
| 344 |
} |
|
| 345 |
|
|
| 346 |
return null; |
|
| 347 |
} |
|
| 348 |
|
|
| 349 |
private AffineTransform calculateAffineTransform(Envelope projectedBufferEnvelope, |
|
| 350 |
int projectedBufferRows, int projectedBufferColumns) {
|
|
| 304 | 351 |
// TODO Auto-generated method stub |
| 305 | 352 |
return null; |
| 306 | 353 |
} |
| 307 | 354 |
|
| 355 |
public int[] getBandTypes() {
|
|
| 356 |
int[] bandDataTypes = new int[this.getBandCount()]; |
|
| 357 |
for (int i = 0; i < this.bands.size(); i++) {
|
|
| 358 |
bandDataTypes[i] = this.bands.get(i).getDataType(); |
|
| 359 |
} |
|
| 360 |
return bandDataTypes; |
|
| 361 |
} |
|
| 362 |
|
|
| 363 |
public NoData[] getBandNoData() {
|
|
| 364 |
NoData[] bandNoData = new NoData[this.getBandCount()]; |
|
| 365 |
for (int i = 0; i < this.bands.size(); i++) {
|
|
| 366 |
bandNoData[i] = this.bands.get(i).getNoData(); |
|
| 367 |
} |
|
| 368 |
return bandNoData; |
|
| 369 |
} |
|
| 370 |
|
|
| 308 | 371 |
@Override |
| 309 | 372 |
public boolean isPaginated() {
|
| 310 | 373 |
return bandPageManager != null; |
| ... | ... | |
| 312 | 375 |
|
| 313 | 376 |
@Override |
| 314 | 377 |
public boolean isReadOnly() {
|
| 315 |
if(this.bandPageManager==null){
|
|
| 378 |
if (this.bandPageManager == null) {
|
|
| 316 | 379 |
return false; |
| 317 | 380 |
} |
| 318 | 381 |
return !this.bandPageManager.isSupportedSave(); |
Also available in: Unified diff