svn-gvsig-desktop / tags / v1_1_Build_1008 / libraries / libCq_CMS_praster / src / org / cresques / io / MrSidFile.java @ 12520
History | View | Annotate | Download (38.6 KB)
1 |
/*
|
---|---|
2 |
* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
|
3 |
*
|
4 |
* Copyright (C) 2004-5.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
19 |
*
|
20 |
* For more information, contact:
|
21 |
*
|
22 |
* cresques@gmail.com
|
23 |
*/
|
24 |
package org.cresques.io; |
25 |
|
26 |
import java.awt.Image; |
27 |
import java.awt.geom.Point2D; |
28 |
import java.awt.image.BufferedImage; |
29 |
import java.io.IOException; |
30 |
import java.util.Vector; |
31 |
|
32 |
import org.cresques.cts.ICoordTrans; |
33 |
import org.cresques.cts.IProjection; |
34 |
import org.cresques.io.MrSidNative.Contour; |
35 |
import org.cresques.io.data.BandList; |
36 |
import org.cresques.io.data.RasterBuf; |
37 |
import org.cresques.io.exceptions.SupersamplingNotSupportedException; |
38 |
import org.cresques.px.Extent; |
39 |
|
40 |
import es.gva.cit.jgdal.GdalBuffer; |
41 |
import es.gva.cit.jgdal.GdalException; |
42 |
import es.gva.cit.jgdal.GdalRasterBand; |
43 |
import es.gva.cit.jmrsid.LTIColorSpace; |
44 |
import es.gva.cit.jmrsid.LTIDataType; |
45 |
import es.gva.cit.jmrsid.LTIGeoCoord; |
46 |
import es.gva.cit.jmrsid.LTIImageStage; |
47 |
import es.gva.cit.jmrsid.LTIMetadataDatabase; |
48 |
import es.gva.cit.jmrsid.LTIMetadataRecord; |
49 |
import es.gva.cit.jmrsid.LTIPixel; |
50 |
import es.gva.cit.jmrsid.LTIScene; |
51 |
import es.gva.cit.jmrsid.LTISceneBuffer; |
52 |
import es.gva.cit.jmrsid.LTIUtils; |
53 |
import es.gva.cit.jmrsid.MrSIDException; |
54 |
import es.gva.cit.jmrsid.MrSIDImageReader; |
55 |
|
56 |
|
57 |
/**
|
58 |
* Soporte para los fichero MrSID de Lizardtech
|
59 |
* @author Nacho Brodin (brodin_ign@gva.es)
|
60 |
*/
|
61 |
class MrSidNative extends MrSIDImageReader { |
62 |
static boolean WITH_OVERVIEWS = true; |
63 |
|
64 |
/**
|
65 |
* Contorno en coordenadas geogr?ficas. (y Extent del raster).
|
66 |
*/
|
67 |
public Contour esq = new Contour(); |
68 |
public int width = 0; |
69 |
public int height = 0; |
70 |
public double originX = 0D; |
71 |
public double originY = 0D; |
72 |
public String version = ""; |
73 |
public LTIMetadataDatabase metadata;
|
74 |
public LTIPixel pixel = null; |
75 |
private int alpha = 0; |
76 |
protected int rBandNr = 1; |
77 |
protected int gBandNr = 2; |
78 |
protected int bBandNr = 3; |
79 |
protected byte[] bandR; |
80 |
protected byte[] bandG; |
81 |
protected byte[] bandB; |
82 |
private int dataType = LTIDataType.LTI_DATATYPE_UINT8; |
83 |
|
84 |
//View
|
85 |
private double zoomoverview = 0.0; |
86 |
private int eColorSpace; |
87 |
private int eSampleType; |
88 |
private int noverviews; |
89 |
public int xini; |
90 |
public int yini; |
91 |
/**
|
92 |
* Ancho y alto de la overview
|
93 |
*/
|
94 |
public int anchoOver; |
95 |
public int altoOver; |
96 |
public int blocksize = 1; |
97 |
/**
|
98 |
* N?mero de bandas de la imagen
|
99 |
*/
|
100 |
public int nbands; |
101 |
/**
|
102 |
* N?mero de overview actualmente seleccionada
|
103 |
*/
|
104 |
private int currentOverview = -1; |
105 |
/**
|
106 |
* Posici?n de la esquina superior izquierda en coordenadas pixel
|
107 |
*/
|
108 |
private double currentViewY = -1; |
109 |
private double currentViewX = 0D; |
110 |
/**
|
111 |
* Ancho y alto de la im?gen (pixeles en pantalla)
|
112 |
*/
|
113 |
private int currentViewWidth = -1; |
114 |
private int currentViewHeight = -1; |
115 |
/**
|
116 |
* Ancho y alto de la imagen completa en pixeles
|
117 |
*/
|
118 |
private int currentFullWidth = -1; |
119 |
private int currentFullHeight = -1; |
120 |
/**
|
121 |
* Escala del viewport en X e Y
|
122 |
*/
|
123 |
private double viewportScaleX = 0D; |
124 |
private double viewportScaleY = 0D; |
125 |
/**
|
126 |
* ?ltimo extent de la ventana seleccionada por el usuario. Este extent corresponde al de la
|
127 |
* imagen, no al del viewport de la vista.
|
128 |
*/
|
129 |
private double[] currentImageView = new double[4]; |
130 |
/**
|
131 |
*
|
132 |
*/
|
133 |
public int[] stepArrayX = null, stepArrayY = null; |
134 |
/**
|
135 |
*
|
136 |
*/
|
137 |
public boolean isSupersampling = false; |
138 |
/**
|
139 |
* Nombre del fichero MrSID
|
140 |
*/
|
141 |
private String fileName = null; |
142 |
|
143 |
/**
|
144 |
* Constructor
|
145 |
* @param fName
|
146 |
* @throws MrSIDException
|
147 |
* @throws IOException
|
148 |
*/
|
149 |
public MrSidNative(String fName) throws MrSIDException, IOException { |
150 |
super(fName);
|
151 |
init(fName); |
152 |
} |
153 |
|
154 |
/**
|
155 |
* Inicializa las variables de instancia con los valores de la imagen
|
156 |
* @param fName
|
157 |
* @throws MrSIDException
|
158 |
* @throws IOException
|
159 |
*/
|
160 |
private void init(String fName) throws MrSIDException, IOException { |
161 |
this.initialize();
|
162 |
|
163 |
String ext = fName.toLowerCase().substring(fName.lastIndexOf('.') + 1); |
164 |
|
165 |
fileName = fName; |
166 |
width = this.getWidth();
|
167 |
height = this.getHeight();
|
168 |
eSampleType = this.getDataType();
|
169 |
nbands = this.getNumBands();
|
170 |
eColorSpace = this.getColorSpace();
|
171 |
noverviews = this.getNumLevels();
|
172 |
|
173 |
metadata = this.getMetadata();
|
174 |
|
175 |
double ox = 0D; |
176 |
double oy = 0D; |
177 |
double resx = 0D; |
178 |
double resy = 0D; |
179 |
|
180 |
LTIGeoCoord geoc = this.getGeoCoord();
|
181 |
|
182 |
ox = geoc.getX(); |
183 |
oy = geoc.getY(); |
184 |
resx = geoc.getXRes(); |
185 |
resy = geoc.getYRes(); |
186 |
|
187 |
esq.add(new Point2D.Double(ox, oy)); |
188 |
esq.add(new Point2D.Double(ox + (resx * width), oy)); |
189 |
esq.add(new Point2D.Double(ox, oy + (resy * height))); |
190 |
esq.add(new Point2D.Double(ox + (resx * width), oy + (resy * height))); |
191 |
|
192 |
blocksize = this.getStripHeight();
|
193 |
} |
194 |
|
195 |
/**
|
196 |
* Asigna el valor de Alpha
|
197 |
* @param a alpha
|
198 |
*/
|
199 |
public void setAlpha(int a) { |
200 |
alpha = a; |
201 |
} |
202 |
|
203 |
/**
|
204 |
* Asigna el tipo de datos
|
205 |
* @param dt tipo de datos
|
206 |
*/
|
207 |
public void setDataType(int dt) { |
208 |
dataType = dt; |
209 |
} |
210 |
|
211 |
/**
|
212 |
* Obtiene un punto 2D con las coordenadas del raster a partir de uno en coordenadas
|
213 |
* del punto real.
|
214 |
* @param pt punto en coordenadas del punto real
|
215 |
* @return punto en coordenadas del raster
|
216 |
*/
|
217 |
public Point2D worldToRaster(Point2D pt) { |
218 |
double x = (((double) currentFullWidth) / (esq.maxX - esq.minX)) * (pt.getX() - esq.minX); |
219 |
double y = (((double) currentFullHeight) / (esq.maxY - esq.minY)) * (esq.maxY - pt.getY()); |
220 |
Point2D ptRes = new Point2D.Double(x, y); |
221 |
return ptRes;
|
222 |
} |
223 |
|
224 |
/**
|
225 |
* Calcula el overview a usar de la imagen y el viewport a partir del ancho, alto y
|
226 |
* coordenadas del mundo real
|
227 |
* @param dWorldTLX Coordenada X superior izquierda
|
228 |
* @param dWorldTLY Coordenada Y superior izquierda
|
229 |
* @param dWorldBRX Coordenada X inferior derecha
|
230 |
* @param dWorldBRY Coordenada Y inferior derecha
|
231 |
* @param nWidth ancho
|
232 |
* @param nHeight alto
|
233 |
*/
|
234 |
public void setView(double dWorldTLX, double dWorldTLY, double dWorldBRX, |
235 |
double dWorldBRY, int nWidth, int nHeight) { |
236 |
currentImageView[0] = dWorldTLX;
|
237 |
currentImageView[1] = dWorldTLY;
|
238 |
currentImageView[2] = dWorldBRX;
|
239 |
currentImageView[3] = dWorldBRY;
|
240 |
|
241 |
//Ancho y alto de la im?gen en pixeles (pixeles de la overview)
|
242 |
currentFullWidth = width; |
243 |
currentFullHeight = height; |
244 |
|
245 |
//Ventana de la imagen. (en tama?o completo)
|
246 |
//tl->esq sup izda en pixeles
|
247 |
//br->esq inf der en pixeles
|
248 |
Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
249 |
Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
250 |
|
251 |
//Ancho y alto de la im?gen (pixeles en pantalla)
|
252 |
currentViewWidth = nWidth; |
253 |
currentViewHeight = nHeight; |
254 |
|
255 |
//Posici?n de la esquina superior izquierda en coordenadas pixel
|
256 |
currentViewX = tl.getX(); |
257 |
currentViewY = tl.getY(); |
258 |
|
259 |
//Escala de la vista en X e Y
|
260 |
viewportScaleX = (double) currentViewWidth / (br.getX() - tl.getX());
|
261 |
viewportScaleY = (double) currentViewHeight / (br.getY() - tl.getY());
|
262 |
|
263 |
try {
|
264 |
// calcula el overview a usar
|
265 |
int[] dims = null; |
266 |
double zoom = 1.0; |
267 |
zoomoverview = 1.0;
|
268 |
currentOverview = -1;
|
269 |
|
270 |
if (WITH_OVERVIEWS && ((noverviews - 1) > 0)) { |
271 |
for (int i = (noverviews - 1); i > 0; i--) { |
272 |
zoom = LTIUtils.levelToMag(i); |
273 |
dims = this.getDimsAtMag(zoom);
|
274 |
|
275 |
if (dims[0] > (this.getWidth() * viewportScaleX)) { |
276 |
currentOverview = i; |
277 |
zoomoverview = zoom; |
278 |
viewportScaleX /= zoomoverview; |
279 |
viewportScaleY /= zoomoverview; |
280 |
currentFullWidth = dims[0];
|
281 |
currentFullHeight = dims[1];
|
282 |
tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
283 |
currentViewX = tl.getX(); |
284 |
currentViewY = tl.getY(); |
285 |
|
286 |
break;
|
287 |
} |
288 |
} |
289 |
} |
290 |
|
291 |
setDataType(eSampleType); |
292 |
} catch (MrSIDException e) {
|
293 |
e.printStackTrace(); |
294 |
} |
295 |
} |
296 |
|
297 |
/**
|
298 |
* Muestra alguna informaci?n para la depuraci?n
|
299 |
*/
|
300 |
void pintaInfo() {
|
301 |
try {
|
302 |
System.out.println("GeoTransform:"); |
303 |
|
304 |
LTIGeoCoord geoc = this.getGeoCoord();
|
305 |
|
306 |
System.out.println(" param[0]=" + geoc.getX()); |
307 |
System.out.println(" param[0]=" + geoc.getY()); |
308 |
System.out.println(" param[0]=" + geoc.getXRes()); |
309 |
System.out.println(" param[0]=" + geoc.getYRes()); |
310 |
System.out.println(" param[0]=" + geoc.getXRot()); |
311 |
System.out.println(" param[0]=" + geoc.getYRot()); |
312 |
System.out.println("Metadata:"); |
313 |
|
314 |
LTIMetadataDatabase metadata = this.getMetadata();
|
315 |
|
316 |
for (int i = 0; i < metadata.getIndexCount(); i++) { |
317 |
LTIMetadataRecord rec = null;
|
318 |
rec = metadata.getDataByIndex(i); |
319 |
System.out.println(rec.getTagName());
|
320 |
|
321 |
if (rec.isScalar()) {
|
322 |
System.out.println(rec.getScalarData());
|
323 |
} else if (rec.isVector()) { |
324 |
String[] s = rec.getVectorData(); |
325 |
|
326 |
for (int j = 0; j < s.length; j++) |
327 |
System.out.println("V" + j + "->" + s[j]); |
328 |
} else if (rec.isArray()) { |
329 |
String[] s = rec.getArrayData(); |
330 |
|
331 |
for (int j = 0; j < s.length; j++) |
332 |
System.out.println("A" + j + "->" + s[j]); |
333 |
} else {
|
334 |
System.out.println(""); |
335 |
} |
336 |
} |
337 |
} catch (MrSIDException e) {
|
338 |
// TODO Auto-generated catch block
|
339 |
e.printStackTrace(); |
340 |
} |
341 |
} |
342 |
|
343 |
void pintaPaleta() {
|
344 |
} |
345 |
|
346 |
public LTISceneBuffer readBuffer(int x, int y, int SceneWidth, int SceneHeight)throws MrSIDException{ |
347 |
LTISceneBuffer buffer = null;
|
348 |
LTIScene scene = new LTIScene(x, y, SceneWidth, SceneHeight, zoomoverview);
|
349 |
buffer = new LTISceneBuffer(pixel, SceneWidth, SceneHeight, true); |
350 |
((LTIImageStage) this).read(scene, buffer);
|
351 |
return buffer;
|
352 |
} |
353 |
|
354 |
/**
|
355 |
* Esta funci?n calcula los arrays de steps en X e Y para que cuando hay supersampleo
|
356 |
* se aplique el filtro solo a la esquina superior izquierda de cada pixel.
|
357 |
*/
|
358 |
private void calcArraySteps(int w, int h, double stepX, double stepY, double offsetX, double offsetY){ |
359 |
if(stepX < 1 && stepY < 1){ |
360 |
isSupersampling = true;
|
361 |
this.stepArrayX = new int[w]; |
362 |
for (double j = offsetX; j < w; j += stepX) |
363 |
stepArrayX[(int)(j)] ++;
|
364 |
|
365 |
this.stepArrayY = new int[h]; |
366 |
for (double j = offsetY; j < h; j += stepY) |
367 |
stepArrayY[(int)(j)] ++;
|
368 |
}else{
|
369 |
isSupersampling = false;
|
370 |
this.stepArrayX = this.stepArrayY = null; |
371 |
} |
372 |
} |
373 |
|
374 |
/**
|
375 |
* Lee la escena de la imagen correspondiente a la vista seleccionada con
|
376 |
* currentView a trav?s de la libreria de MrSid. Esta escena es cargada sobre
|
377 |
* un buffer y asignada al par?metro de salida.
|
378 |
* @param line Escena leida
|
379 |
* @throws MrSIDException Lanzada si ocurre un error en la lectura de la escena
|
380 |
*/
|
381 |
public void readScene(int[] line) throws MrSIDException { |
382 |
//Posici?n de inicio de la escena en entero para la petici?n a la libreria
|
383 |
int x = (int) Math.floor(currentViewX); |
384 |
int y = (int) Math.floor(currentViewY); |
385 |
//Ancho y alto de la escena en pixeles
|
386 |
int SceneWidth = 0; |
387 |
int SceneHeight = 0; |
388 |
|
389 |
try {
|
390 |
SceneWidth = (int) Math.ceil((((double) currentViewWidth) / viewportScaleX) + 1); |
391 |
if (SceneWidth > currentFullWidth)
|
392 |
SceneWidth = currentFullWidth; |
393 |
SceneHeight = (int) Math.ceil((((double) currentViewHeight) / viewportScaleY) + 1); |
394 |
if (SceneHeight > currentFullHeight)
|
395 |
SceneHeight = currentFullHeight; |
396 |
|
397 |
if (SceneWidth == 0) |
398 |
SceneWidth = 1;
|
399 |
|
400 |
if (SceneHeight == 0) |
401 |
SceneHeight = 1;
|
402 |
|
403 |
if (pixel == null) |
404 |
pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
|
405 |
|
406 |
LTISceneBuffer buffer = null;
|
407 |
|
408 |
boolean sizeOk = false; |
409 |
while (!sizeOk){
|
410 |
sizeOk = true;
|
411 |
try {
|
412 |
buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
413 |
} catch (MrSIDException ex) {
|
414 |
SceneWidth-- ; |
415 |
try{
|
416 |
buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
417 |
} catch (MrSIDException ex1) {
|
418 |
SceneWidth++; |
419 |
SceneHeight--; |
420 |
try{
|
421 |
buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
422 |
} catch (MrSIDException ex2) {
|
423 |
SceneWidth-- ; |
424 |
try{
|
425 |
buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
426 |
} catch (MrSIDException ex3) {
|
427 |
sizeOk = false;
|
428 |
} |
429 |
} |
430 |
} |
431 |
} |
432 |
} |
433 |
|
434 |
|
435 |
if ((dataType == LTIDataType.LTI_DATATYPE_UINT8) ||
|
436 |
(dataType == LTIDataType.LTI_DATATYPE_SINT8) || |
437 |
(dataType == LTIDataType.LTI_DATATYPE_SINT16) || |
438 |
(dataType == LTIDataType.LTI_DATATYPE_SINT32) || |
439 |
(dataType == LTIDataType.LTI_DATATYPE_UINT16) || |
440 |
(dataType == LTIDataType.LTI_DATATYPE_UINT32)) { |
441 |
int kd;
|
442 |
int k;
|
443 |
double scaleX = 1 / viewportScaleX; |
444 |
double scaleY = 1 / viewportScaleY; |
445 |
|
446 |
int alpha = (this.alpha & 0xff) << 24; |
447 |
|
448 |
if (rBandNr == 1) { |
449 |
bandR = buffer.buf1; |
450 |
} else if (rBandNr == 2) { |
451 |
bandR = buffer.buf2; |
452 |
} else if (rBandNr == 3) { |
453 |
bandR = buffer.buf3; |
454 |
} |
455 |
|
456 |
if (gBandNr == 1) { |
457 |
bandG = buffer.buf1; |
458 |
} else if (gBandNr == 2) { |
459 |
bandG = buffer.buf2; |
460 |
} else if (gBandNr == 3) { |
461 |
bandG = buffer.buf3; |
462 |
} |
463 |
|
464 |
if (bBandNr == 1) { |
465 |
bandB = buffer.buf1; |
466 |
} else if (bBandNr == 2) { |
467 |
bandB = buffer.buf2; |
468 |
} else if (bBandNr == 3) { |
469 |
bandB = buffer.buf3; |
470 |
} |
471 |
|
472 |
//Desplazamiento para la X y la Y leidas. Estas tienen efecto cuando un pixel no empieza a visualizarse
|
473 |
//justo en su esquina superior izquierda y tiene que ser cortado en la visualizaci?n.
|
474 |
double offsetX = Math.abs(currentViewX - ((int)currentViewX)); |
475 |
double offsetY = Math.abs(currentViewY - ((int)currentViewY)); |
476 |
|
477 |
calcArraySteps(SceneWidth, SceneHeight, scaleX, scaleY, offsetX, offsetY); |
478 |
|
479 |
for (int y1 = 0; y1 < currentViewHeight; y1++){ |
480 |
for (int x1 = 0; x1 < currentViewWidth; x1++){ |
481 |
kd = (y1 * currentViewWidth) + x1; |
482 |
k = (((int) ((y1 * scaleY) + offsetY)) * SceneWidth) + (int) ((x1 * scaleX) + offsetX); |
483 |
try {
|
484 |
line[kd] = alpha + ((0xff & bandR[k]) << 16) + ((0xff & bandG[k]) << 8) + (0xff & bandB[k]); |
485 |
} catch (java.lang.ArrayIndexOutOfBoundsException e) {
|
486 |
} |
487 |
} |
488 |
} |
489 |
} |
490 |
|
491 |
buffer = null;
|
492 |
} catch (MrSIDException e) {
|
493 |
e.printStackTrace(); |
494 |
} |
495 |
} |
496 |
|
497 |
/**
|
498 |
* Lee una ventana de datos sin resampleo a partir de coordenadas en pixeles.
|
499 |
* @param buf Buffer donde se almacenan los datos
|
500 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
501 |
* @param x Posici?n X en pixeles
|
502 |
* @param y Posici?n Y en pixeles
|
503 |
* @param w Ancho en pixeles
|
504 |
* @param h Alto en pixeles
|
505 |
* @throws GdalException
|
506 |
*/
|
507 |
public void readWindow(RasterBuf buf, BandList bandList, int x, int y, int w, int h) throws MrSIDException { |
508 |
isSupersampling = false;
|
509 |
if (pixel == null) { |
510 |
pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
|
511 |
} |
512 |
|
513 |
LTIScene scene = new LTIScene(x, y, w, h, 1.0); |
514 |
LTISceneBuffer buffer = new LTISceneBuffer(pixel, w, h, true); |
515 |
((LTIImageStage) this).read(scene, buffer);
|
516 |
|
517 |
int yMax = y + h;
|
518 |
byte[] bandBuf = null; |
519 |
for(int iBand = 0; iBand < getNumBands(); iBand++){ |
520 |
int[] drawableBands = bandList.getBufferBandToDraw(fileName, iBand); |
521 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
522 |
continue;
|
523 |
switch(iBand) {
|
524 |
case 0: bandBuf = buffer.buf1; break; |
525 |
case 1: bandBuf = buffer.buf2; break; |
526 |
case 2: bandBuf = buffer.buf3; break; |
527 |
} |
528 |
for (int line = 0; line < h; line++){ |
529 |
for (int col = 0; col < w; col++){ |
530 |
int kd = (line * w) + col;
|
531 |
buf.setElemByte(line, col, iBand, bandBuf[kd]); |
532 |
} |
533 |
} |
534 |
} |
535 |
} |
536 |
|
537 |
/**
|
538 |
* Lee una ventana de la imagen y devuelve un buffer de bytes
|
539 |
* @param ulX Coordenada X de la esquina superior izquierda
|
540 |
* @param ulY Coordenada Y de la esquina superior izquierda
|
541 |
* @param sizeX Tama?o X de la imagen
|
542 |
* @param sizeY Tama?o Y de la image
|
543 |
* @param band N?mero de bandas
|
544 |
* @return buffer con la ventana leida
|
545 |
* @throws MrSIDException
|
546 |
*/
|
547 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band) |
548 |
throws MrSIDException {
|
549 |
if (pixel == null) { |
550 |
pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
|
551 |
} |
552 |
|
553 |
LTIScene scene = new LTIScene(ulX, ulY, sizeX, sizeY, 1.0); |
554 |
LTISceneBuffer buffer = new LTISceneBuffer(pixel, sizeX, sizeY, true); |
555 |
((LTIImageStage) this).read(scene, buffer);
|
556 |
|
557 |
if (band == 1) { |
558 |
return buffer.buf1;
|
559 |
} else if (band == 2) { |
560 |
return buffer.buf2;
|
561 |
} else if (band == 3) { |
562 |
return buffer.buf3;
|
563 |
} |
564 |
|
565 |
return null; |
566 |
} |
567 |
|
568 |
// Polilinea con extent
|
569 |
class Contour extends Vector { |
570 |
final private static long serialVersionUID = -3370601314380922368L; |
571 |
public double minX = Double.MAX_VALUE; |
572 |
public double minY = Double.MAX_VALUE; |
573 |
public double maxX = -Double.MAX_VALUE; |
574 |
public double maxY = -Double.MAX_VALUE; |
575 |
|
576 |
public Contour() {
|
577 |
super();
|
578 |
} |
579 |
|
580 |
public void add(Point2D pt) { |
581 |
super.add(pt);
|
582 |
|
583 |
if (pt.getX() > maxX) {
|
584 |
maxX = pt.getX(); |
585 |
} |
586 |
|
587 |
if (pt.getX() < minX) {
|
588 |
minX = pt.getX(); |
589 |
} |
590 |
|
591 |
if (pt.getY() > maxY) {
|
592 |
maxY = pt.getY(); |
593 |
} |
594 |
|
595 |
if (pt.getY() < minY) {
|
596 |
minY = pt.getY(); |
597 |
} |
598 |
} |
599 |
} |
600 |
} |
601 |
|
602 |
|
603 |
/**
|
604 |
* @author Nacho Brodin <brodin_ign@gva.es>
|
605 |
*
|
606 |
* Clase encargada del acceso a los datos y repintado de imagenes MrSID. Estos
|
607 |
* son registrados con la extensi?n sid
|
608 |
*/
|
609 |
public class MrSidFile extends GeoRasterFile { |
610 |
public final static int BAND_HEIGHT = 64; |
611 |
|
612 |
protected MrSidNative file = null; |
613 |
private Extent v = null; |
614 |
|
615 |
/**
|
616 |
* Contructor. Abre el fichero mrsid
|
617 |
* @param proj Proyecci?n
|
618 |
* @param fName Nombre del fichero mrsid
|
619 |
*/
|
620 |
public MrSidFile(IProjection proj, String fName) { |
621 |
super(proj, fName);
|
622 |
|
623 |
extent = new Extent();
|
624 |
|
625 |
try {
|
626 |
file = new MrSidNative(fName);
|
627 |
load(); |
628 |
bandCount = file.nbands; |
629 |
|
630 |
if (bandCount > 2) { |
631 |
setBand(RED_BAND, 0);
|
632 |
setBand(GREEN_BAND, 1);
|
633 |
setBand(BLUE_BAND, 2);
|
634 |
} else {
|
635 |
setBand(RED_BAND | GREEN_BAND | BLUE_BAND, 0);
|
636 |
} |
637 |
} catch (Exception e) { |
638 |
System.out.println("Error en constructor de MrSID"); |
639 |
e.printStackTrace(); |
640 |
file = null;
|
641 |
} |
642 |
} |
643 |
|
644 |
/**
|
645 |
* Obtenemos o calculamos el extent de la imagen.
|
646 |
*/
|
647 |
public GeoFile load() {
|
648 |
|
649 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
650 |
requestExtent = extent; |
651 |
|
652 |
/*if((this.assignedExtent == GeoRasterFile.IMAGE_EXTENT || this.assignedExtent == GeoRasterFile.ORDER )
|
653 |
&& file !=null && file.esq != null){
|
654 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
655 |
return this;
|
656 |
}
|
657 |
|
658 |
if((this.assignedExtent == GeoRasterFile.ASSIGNED_EXTENT || this.assignedExtent == GeoRasterFile.ORDER )
|
659 |
&& this.getTempExtent() != null){
|
660 |
|
661 |
extent = this.getTempExtent();
|
662 |
file.esq = file.new Contour();
|
663 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY()));
|
664 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY()));
|
665 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY()+(extent.maxY() - extent.minY())));
|
666 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY()+(extent.maxY() - extent.minY())));
|
667 |
}*/
|
668 |
|
669 |
return this; |
670 |
} |
671 |
|
672 |
/**
|
673 |
* Libera el objeto que ha abierto el fichero
|
674 |
*/
|
675 |
public void close() { |
676 |
if(file != null){ |
677 |
file.close(); |
678 |
file = null;
|
679 |
} |
680 |
} |
681 |
|
682 |
/**
|
683 |
* Asigna una banda R, G o B
|
684 |
*/
|
685 |
public void setBand(int flag, int bandNr) { |
686 |
super.setBand(flag, bandNr);
|
687 |
|
688 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) {
|
689 |
file.rBandNr = bandNr + 1;
|
690 |
} |
691 |
|
692 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) {
|
693 |
file.gBandNr = bandNr + 1;
|
694 |
} |
695 |
|
696 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) {
|
697 |
file.bBandNr = bandNr + 1;
|
698 |
} |
699 |
} |
700 |
|
701 |
/**
|
702 |
* Asigna el extent de la vista
|
703 |
*/
|
704 |
public void setView(Extent e) { |
705 |
v = new Extent(e);
|
706 |
} |
707 |
|
708 |
/**
|
709 |
* Obtiene el Extent de la vista
|
710 |
*/
|
711 |
public Extent getView() {
|
712 |
return v;
|
713 |
} |
714 |
|
715 |
/**
|
716 |
* Obtiene el ancho de la imagen
|
717 |
*/
|
718 |
public int getWidth() { |
719 |
return file.width;
|
720 |
} |
721 |
|
722 |
/**
|
723 |
* Obtiene el alto de la imagen
|
724 |
*/
|
725 |
public int getHeight() { |
726 |
return file.height;
|
727 |
} |
728 |
|
729 |
public void reProject(ICoordTrans rp) { |
730 |
// TODO Auto-generated method stub
|
731 |
} |
732 |
|
733 |
/**
|
734 |
* Actualiza la imagen. Se encarga de llamar a la funci?n que calcula la vista
|
735 |
* y luego a la que lee la escena sobre un buffer. Vuelca la informaci?n obtenida
|
736 |
* sobre el Image que la visualiza.
|
737 |
*/
|
738 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
739 |
int line;
|
740 |
int[] pRGBArray = null; |
741 |
Image image = null; |
742 |
|
743 |
if(mustVerifySize()){
|
744 |
// Work out the correct aspect for the setView call.
|
745 |
double dFileAspect = (double) v.width() / (double) v.height(); |
746 |
double dWindowAspect = (double) width / (double) height; |
747 |
|
748 |
if (dFileAspect > dWindowAspect) {
|
749 |
height = (int) ((double) width / dFileAspect); |
750 |
} else {
|
751 |
width = (int) ((double) height * dFileAspect); |
752 |
} |
753 |
} |
754 |
|
755 |
// Set the view
|
756 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height); |
757 |
setStep(file.stepArrayX, file.stepArrayY); |
758 |
|
759 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
760 |
if (width <= 0) { |
761 |
width = 1;
|
762 |
} |
763 |
|
764 |
if (height <= 0) { |
765 |
height = 1;
|
766 |
} |
767 |
|
768 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
769 |
pRGBArray = new int[width * height]; |
770 |
|
771 |
try {
|
772 |
file.setAlpha(getAlpha()); |
773 |
|
774 |
setBand(RED_BAND, rBandNr); |
775 |
setBand(GREEN_BAND, gBandNr); |
776 |
setBand(BLUE_BAND, bBandNr); |
777 |
|
778 |
|
779 |
file.readScene(pRGBArray); |
780 |
setStep(file.stepArrayX, file.stepArrayY); |
781 |
((BufferedImage) image).setRGB(0, 0, width, height, pRGBArray, 0, |
782 |
width); |
783 |
} catch (Exception e) { |
784 |
e.printStackTrace(); |
785 |
} |
786 |
|
787 |
return image;
|
788 |
} |
789 |
|
790 |
/**
|
791 |
* Muestra informaci?n del fichero abierto.
|
792 |
*
|
793 |
*/
|
794 |
private void showOnOpen() { |
795 |
// Report en la apertura (quitar)
|
796 |
System.out.println("Fichero MrSID '" + getName() + "' abierto."); |
797 |
System.out.println("Version = " + file.version); |
798 |
System.out.println(" Size = (" + file.width + "," + file.height + |
799 |
")");
|
800 |
System.out.println(" NumBands = (" + file.nbands + ")"); |
801 |
|
802 |
//file.pintaInfo();
|
803 |
file.pintaPaleta(); |
804 |
} |
805 |
|
806 |
/**
|
807 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
808 |
* vector de enteros.
|
809 |
* @param image imagen con los datos actuales
|
810 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
811 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
812 |
* @param w Ancho de la imagen
|
813 |
* @param h Alto de la imagen
|
814 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
815 |
* @param offset desplazamiento
|
816 |
* @param scansize tama?o de imagen recorrida por cada p
|
817 |
*/
|
818 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
819 |
int w, int h, int[] rgbArray, int offset, |
820 |
int scansize) {
|
821 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
822 |
} |
823 |
|
824 |
/**
|
825 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
826 |
* con los datos de la imagen contenidos en el vector de enteros. De los valores RGB
|
827 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
828 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
829 |
* @param image imagen con los datos actuales
|
830 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
831 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
832 |
* @param w Ancho de la imagen
|
833 |
* @param h Alto de la imagen
|
834 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
835 |
* @param offset desplazamiento
|
836 |
* @param scansize tama?o de imagen recorrida por cada paso
|
837 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
838 |
*/
|
839 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
840 |
int w, int h, int[] rgbArray, int offset, |
841 |
int scansize, int flags) { |
842 |
int[] line = new int[rgbArray.length]; |
843 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
844 |
|
845 |
if (flags == GeoRasterFile.RED_BAND) {
|
846 |
for (int i = 0; i < line.length; i++) |
847 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
848 |
} else if (flags == GeoRasterFile.GREEN_BAND) { |
849 |
for (int i = 0; i < line.length; i++) |
850 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
851 |
} else if (flags == GeoRasterFile.BLUE_BAND) { |
852 |
for (int i = 0; i < line.length; i++) |
853 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
854 |
} |
855 |
|
856 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
857 |
} |
858 |
|
859 |
/**
|
860 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
861 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
862 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
863 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
864 |
* @param image imagen con los datos actuales
|
865 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
866 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
867 |
* @param w Ancho de la imagen
|
868 |
* @param h Alto de la imagen
|
869 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
870 |
* @param offset desplazamiento
|
871 |
* @param scansize tama?o de imagen recorrida por cada paso
|
872 |
* @param origBand Banda origen del GeoRasterFile
|
873 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
874 |
*/
|
875 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
876 |
int w, int h, int[] rgbArray, int offset, |
877 |
int scansize, int origBand, int destBandFlag) { |
878 |
int[] line = new int[rgbArray.length]; |
879 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
880 |
|
881 |
if ((origBand == 0) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
882 |
for (int i = 0; i < line.length; i++) |
883 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
884 |
} else if ((origBand == 1) && |
885 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) { |
886 |
for (int i = 0; i < line.length; i++) |
887 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
888 |
} else if ((origBand == 2) && |
889 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) { |
890 |
for (int i = 0; i < line.length; i++) |
891 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
892 |
} else if ((origBand == 0) && |
893 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) { |
894 |
for (int i = 0; i < line.length; i++) |
895 |
line[i] = (line[i] & 0xffff00ff) |
|
896 |
((rgbArray[i] & 0x00ff0000) >> 8); |
897 |
} else if ((origBand == 0) && |
898 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) { |
899 |
for (int i = 0; i < line.length; i++) |
900 |
line[i] = (line[i] & 0xffffff00) |
|
901 |
((rgbArray[i] & 0x00ff0000) >> 16); |
902 |
} else if ((origBand == 1) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
903 |
for (int i = 0; i < line.length; i++) |
904 |
line[i] = (line[i] & 0xff00ffff) |
|
905 |
((rgbArray[i] & 0x0000ff00) << 8); |
906 |
} else if ((origBand == 1) && |
907 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) { |
908 |
for (int i = 0; i < line.length; i++) |
909 |
line[i] = (line[i] & 0xffffff00) |
|
910 |
((rgbArray[i] & 0x0000ff00) >> 8); |
911 |
} else if ((origBand == 2) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
912 |
for (int i = 0; i < line.length; i++) |
913 |
line[i] = (line[i] & 0xff00ffff) |
|
914 |
((rgbArray[i] & 0x000000ff) << 16); |
915 |
} else if ((origBand == 2) && |
916 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) { |
917 |
for (int i = 0; i < line.length; i++) |
918 |
line[i] = (line[i] & 0xffff00ff) |
|
919 |
((rgbArray[i] & 0x000000ff) << 8); |
920 |
} |
921 |
|
922 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
923 |
} |
924 |
|
925 |
/* (non-Javadoc)
|
926 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)
|
927 |
*/
|
928 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, |
929 |
int origBand, int destBandFlag) throws SupersamplingNotSupportedException{ |
930 |
int line;
|
931 |
int[] pRGBArray = null; |
932 |
Image mrSidImage = null; |
933 |
|
934 |
if(mustVerifySize()){
|
935 |
// Work out the correct aspect for the setView call.
|
936 |
double dFileAspect = (double) v.width() / (double) v.height(); |
937 |
double dWindowAspect = (double) width / (double) height; |
938 |
|
939 |
if (dFileAspect > dWindowAspect) {
|
940 |
height = (int) ((double) width / dFileAspect); |
941 |
} else {
|
942 |
width = (int) ((double) height * dFileAspect); |
943 |
} |
944 |
} |
945 |
// Set the view
|
946 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height); |
947 |
|
948 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
949 |
if (width <= 0) { |
950 |
width = 1;
|
951 |
} |
952 |
|
953 |
if (height <= 0) { |
954 |
height = 1;
|
955 |
} |
956 |
|
957 |
file.setAlpha(getAlpha()); |
958 |
|
959 |
setBand(RED_BAND, rBandNr); |
960 |
setBand(GREEN_BAND, gBandNr); |
961 |
setBand(BLUE_BAND, bBandNr); |
962 |
|
963 |
pRGBArray = new int[width * height]; |
964 |
|
965 |
if (img == null) { //Caso en el que se crea una imagen |
966 |
mrSidImage = new BufferedImage(width, height, |
967 |
BufferedImage.TYPE_INT_ARGB);
|
968 |
|
969 |
try {
|
970 |
file.readScene(pRGBArray); |
971 |
setStep(file.stepArrayX, file.stepArrayY); |
972 |
setRGBLine((BufferedImage) mrSidImage, 0, 0, width, height, pRGBArray, 0, width); |
973 |
} catch (Exception e) { |
974 |
e.printStackTrace(); |
975 |
} |
976 |
|
977 |
return mrSidImage;
|
978 |
} else { //Caso en el que se actualiza una banda del Image |
979 |
|
980 |
try {
|
981 |
file.readScene(pRGBArray); |
982 |
setStep(file.stepArrayX, file.stepArrayY); |
983 |
setRGBLine((BufferedImage) img, 0, 0, width, height, pRGBArray, 0, width, origBand, destBandFlag); |
984 |
} catch (Exception e) { |
985 |
e.printStackTrace(); |
986 |
} |
987 |
|
988 |
return img;
|
989 |
} |
990 |
} |
991 |
|
992 |
/* (non-Javadoc)
|
993 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
994 |
*/
|
995 |
public Object getData(int x, int y, int band) { |
996 |
// TODO Auto-generated method stub
|
997 |
return null; |
998 |
} |
999 |
|
1000 |
public RasterBuf getWindowRasterWithNoData(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
1001 |
return null; |
1002 |
} |
1003 |
|
1004 |
/**
|
1005 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
|
1006 |
* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
|
1007 |
* pixeles de disco.
|
1008 |
* @param x Posici?n X superior izquierda
|
1009 |
* @param y Posici?n Y superior izquierda
|
1010 |
* @param w Ancho en coordenadas reales
|
1011 |
* @param h Alto en coordenadas reales
|
1012 |
* @param rasterBuf Buffer de datos
|
1013 |
* @param bandList
|
1014 |
* @return Buffer de datos
|
1015 |
*/
|
1016 |
public RasterBuf getWindowRaster(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
1017 |
//Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
1018 |
//setView(selectedExtent);
|
1019 |
|
1020 |
int initX = (int)((x * file.width) / extent.width()); |
1021 |
int initY = (int)((y * file.height) / extent.height()); |
1022 |
int width = (int)((w * file.width) / extent.width()); |
1023 |
int height = (int)((h * file.height) / extent.height()); |
1024 |
|
1025 |
return getWindowRaster(initX, initY, width, height, bandList, rasterBuf);
|
1026 |
} |
1027 |
|
1028 |
/**
|
1029 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas pixel.
|
1030 |
* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
|
1031 |
* pixeles de disco.
|
1032 |
* @param x Posici?n X superior izquierda
|
1033 |
* @param y Posici?n Y superior izquierda
|
1034 |
* @param w Ancho en coordenadas reales
|
1035 |
* @param h Alto en coordenadas reales
|
1036 |
* @param rasterBuf Buffer de datos
|
1037 |
* @param bandList
|
1038 |
* @return Buffer de datos
|
1039 |
*/
|
1040 |
public RasterBuf getWindowRaster(int x, int y, int w, int h, BandList bandList, RasterBuf rasterBuf) { |
1041 |
try {
|
1042 |
rasterBuf = new RasterBuf(getDataType(), w, h, bandList.getDrawableBandsCount(), true); |
1043 |
file.readWindow(rasterBuf, bandList, x, y, w, h); |
1044 |
} catch (Exception e) { |
1045 |
e.printStackTrace(); |
1046 |
} |
1047 |
return rasterBuf;
|
1048 |
} |
1049 |
|
1050 |
/**
|
1051 |
* Devuelve los datos de una ventana solicitada
|
1052 |
* @param ulX coordenada X superior izda.
|
1053 |
* @param ulY coordenada Y superior derecha.
|
1054 |
* @param sizeX tama?o en X de la ventana.
|
1055 |
* @param sizeY tama?o en Y de la ventana.
|
1056 |
* @param band Banda solicitada.
|
1057 |
*/
|
1058 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band) { |
1059 |
try {
|
1060 |
return file.getWindow(ulX, ulY, sizeX, sizeY, band);
|
1061 |
} catch (MrSIDException e) {
|
1062 |
e.printStackTrace(); |
1063 |
} |
1064 |
|
1065 |
return null; |
1066 |
} |
1067 |
|
1068 |
/**
|
1069 |
* Devuelve el tama?o de bloque
|
1070 |
* @return Tama?o de bloque
|
1071 |
*/
|
1072 |
public int getBlockSize() { |
1073 |
return file.blocksize;
|
1074 |
} |
1075 |
|
1076 |
/**
|
1077 |
* Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
|
1078 |
* asociado. En Ecw el origen de coordenadas en Y es el valor m?ximo y decrece hasta el m?nimo.
|
1079 |
* @param originX Origen de la imagen en la coordenada X
|
1080 |
* @param originY Origen de la imagen en la coordenada Y
|
1081 |
*/
|
1082 |
public void setExtentTransform(double originX, double originY, double psX, double psY) { |
1083 |
|
1084 |
} |
1085 |
|
1086 |
/**
|
1087 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
1088 |
* el valor de esta variable cada vez que dibuja.
|
1089 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
1090 |
*/
|
1091 |
public boolean isSupersampling() { |
1092 |
return file.isSupersampling;
|
1093 |
} |
1094 |
|
1095 |
public RasterBuf getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, RasterBuf rasterBuf) { |
1096 |
// TODO Auto-generated method stub
|
1097 |
return null; |
1098 |
} |
1099 |
|
1100 |
public Point2D rasterToWorld(Point2D pt) { |
1101 |
// TODO Auto-generated method stub
|
1102 |
return null; |
1103 |
} |
1104 |
|
1105 |
public Point2D worldToRaster(Point2D pt) { |
1106 |
// TODO Auto-generated method stub
|
1107 |
return null; |
1108 |
} |
1109 |
} |