root / trunk / libraries / libRaster / src / org / gvsig / raster / dataset / io / MrSidDriver.java @ 22422
History | View | Annotate | Download (18 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
|
| 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*/
|
| 19 |
package org.gvsig.raster.dataset.io; |
| 20 |
|
| 21 |
import java.awt.geom.AffineTransform; |
| 22 |
import java.awt.geom.Point2D; |
| 23 |
import java.awt.image.BufferedImage; |
| 24 |
|
| 25 |
import org.cresques.cts.ICoordTrans; |
| 26 |
import org.cresques.cts.IProjection; |
| 27 |
import org.gvsig.raster.dataset.BandAccessException; |
| 28 |
import org.gvsig.raster.dataset.BandList; |
| 29 |
import org.gvsig.raster.dataset.FileNotOpenException; |
| 30 |
import org.gvsig.raster.dataset.GeoInfo; |
| 31 |
import org.gvsig.raster.dataset.IBuffer; |
| 32 |
import org.gvsig.raster.dataset.InvalidSetViewException; |
| 33 |
import org.gvsig.raster.dataset.RasterDataset; |
| 34 |
import org.gvsig.raster.dataset.io.rmf.ParsingException; |
| 35 |
import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
| 36 |
import org.gvsig.raster.datastruct.Extent; |
| 37 |
import org.gvsig.raster.datastruct.Transparency; |
| 38 |
import org.gvsig.raster.process.RasterTask; |
| 39 |
import org.gvsig.raster.process.RasterTaskQueue; |
| 40 |
import org.gvsig.raster.util.extensionPoints.ExtensionPoint; |
| 41 |
|
| 42 |
import es.gva.cit.jmrsid.MrSIDException; |
| 43 |
/**
|
| 44 |
* Clase encargada del acceso a los datos y repintado de imagenes MrSID. Estos
|
| 45 |
* son registrados con la extensi?n sid
|
| 46 |
*
|
| 47 |
* @version 15/05/2008
|
| 48 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 49 |
*/
|
| 50 |
public class MrSidDriver extends RasterDataset { |
| 51 |
protected MrSidNative file = null; |
| 52 |
private Extent viewRequest = null; |
| 53 |
private DatasetColorInterpretation colorInterpr = null; |
| 54 |
|
| 55 |
/**
|
| 56 |
* Estado de transparencia del raster.
|
| 57 |
*/
|
| 58 |
protected Transparency fileTransparency = null; |
| 59 |
|
| 60 |
public static void register() { |
| 61 |
ExtensionPoint point = ExtensionPoint.getExtensionPoint("RasterReader");
|
| 62 |
point.register("sid", MrSidDriver.class);
|
| 63 |
} |
| 64 |
|
| 65 |
/**
|
| 66 |
* Contructor. Abre el fichero mrsid
|
| 67 |
* @param proj Proyecci?n
|
| 68 |
* @param fName Nombre del fichero mrsid
|
| 69 |
*/
|
| 70 |
public MrSidDriver(IProjection proj, Object param) { |
| 71 |
super(proj, ((String) param)); |
| 72 |
setParam(param); |
| 73 |
try {
|
| 74 |
file = new MrSidNative(((String) param)); |
| 75 |
load(); |
| 76 |
bandCount = file.nbands; |
| 77 |
int[] dt = new int[bandCount]; |
| 78 |
for (int i = 0; i < dt.length; i++) |
| 79 |
dt[i] = IBuffer.TYPE_BYTE; |
| 80 |
setDataType(dt); |
| 81 |
super.init();
|
| 82 |
|
| 83 |
try {
|
| 84 |
loadFromRmf(getRmfBlocksManager()); |
| 85 |
} catch (ParsingException e) {
|
| 86 |
// No lee desde rmf
|
| 87 |
} |
| 88 |
} catch (Exception e) { |
| 89 |
System.out.println("Error en constructor de MrSID"); |
| 90 |
e.printStackTrace(); |
| 91 |
file = null;
|
| 92 |
} |
| 93 |
} |
| 94 |
|
| 95 |
/**
|
| 96 |
* Obtenemos o calculamos el extent de la imagen.
|
| 97 |
*/
|
| 98 |
public GeoInfo load() {
|
| 99 |
ownTransformation = file.getOwnTransformation(); |
| 100 |
externalTransformation = (AffineTransform) ownTransformation.clone();
|
| 101 |
return this; |
| 102 |
} |
| 103 |
|
| 104 |
/**
|
| 105 |
* Libera el objeto que ha abierto el fichero
|
| 106 |
*/
|
| 107 |
public void close() { |
| 108 |
if (file != null) { |
| 109 |
file.close(); |
| 110 |
file = null;
|
| 111 |
} |
| 112 |
} |
| 113 |
|
| 114 |
/**
|
| 115 |
* Asigna el extent de la vista
|
| 116 |
*/
|
| 117 |
public void setView(Extent e) { |
| 118 |
viewRequest = new Extent(e);
|
| 119 |
} |
| 120 |
|
| 121 |
/**
|
| 122 |
* Obtiene el Extent de la vista
|
| 123 |
*/
|
| 124 |
public Extent getView() {
|
| 125 |
return viewRequest;
|
| 126 |
} |
| 127 |
|
| 128 |
/**
|
| 129 |
* Obtiene el ancho de la imagen
|
| 130 |
*/
|
| 131 |
public int getWidth() { |
| 132 |
return file.width;
|
| 133 |
} |
| 134 |
|
| 135 |
/**
|
| 136 |
* Obtiene el alto de la imagen
|
| 137 |
*/
|
| 138 |
public int getHeight() { |
| 139 |
return file.height;
|
| 140 |
} |
| 141 |
|
| 142 |
public void reProject(ICoordTrans rp) {} |
| 143 |
|
| 144 |
/**
|
| 145 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en
|
| 146 |
* el vector de enteros.
|
| 147 |
* @param image imagen con los datos actuales
|
| 148 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 149 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 150 |
* @param w Ancho de la imagen
|
| 151 |
* @param h Alto de la imagen
|
| 152 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 153 |
* @param offset desplazamiento
|
| 154 |
* @param scansize tama?o de imagen recorrida por cada p
|
| 155 |
*/
|
| 156 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, |
| 157 |
int[] rgbArray, int offset, int scansize) { |
| 158 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
| 159 |
} |
| 160 |
|
| 161 |
/*
|
| 162 |
* (non-Javadoc)
|
| 163 |
* @see org.gvsig.raster.dataset.RasterDataset#getData(int, int, int)
|
| 164 |
*/
|
| 165 |
public Object getData(int x, int y, int band) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
| 166 |
if (file != null) { |
| 167 |
if (x < 0 || y < 0 || x >= file.width || y >= file.height) |
| 168 |
throw new InvalidSetViewException("Request out of grid"); |
| 169 |
Object[] data = file.getData(x, y); |
| 170 |
return data[band];
|
| 171 |
} |
| 172 |
throw new FileNotOpenException("MrSIDNative not exist"); |
| 173 |
} |
| 174 |
|
| 175 |
/**
|
| 176 |
* Devuelve el tama?o de bloque
|
| 177 |
* @return Tama?o de bloque
|
| 178 |
*/
|
| 179 |
public int getBlockSize() { |
| 180 |
return file.blocksize;
|
| 181 |
} |
| 182 |
|
| 183 |
/**
|
| 184 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el
|
| 185 |
* driver el que colocar? el valor de esta variable cada vez que dibuja.
|
| 186 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
| 187 |
*/
|
| 188 |
public boolean isSupersampling() { |
| 189 |
return file.isSupersampling;
|
| 190 |
} |
| 191 |
|
| 192 |
public IBuffer getWindowRaster(double ulx, double uly, double lrx, double lry, |
| 193 |
BandList bandList, IBuffer rasterBuf) |
| 194 |
throws InterruptedException, RasterDriverException { |
| 195 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString());
|
| 196 |
|
| 197 |
// TODO: FUNCIONALIDAD: Hacer caso del bandList
|
| 198 |
int width = rasterBuf.getWidth();
|
| 199 |
int height = rasterBuf.getHeight();
|
| 200 |
|
| 201 |
// Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 202 |
if (width <= 0) |
| 203 |
width = 1;
|
| 204 |
|
| 205 |
if (height <= 0) |
| 206 |
height = 1;
|
| 207 |
|
| 208 |
setView(new Extent(ulx, uly, lrx, lry));
|
| 209 |
file.setView(viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), width, height); |
| 210 |
|
| 211 |
int[] pRGBArray = new int[width * height]; |
| 212 |
|
| 213 |
try {
|
| 214 |
file.readScene(pRGBArray, task); |
| 215 |
int wBuf = rasterBuf.getWidth();
|
| 216 |
for (int row = 0; row < rasterBuf.getHeight(); row++) { |
| 217 |
for (int col = 0; col < wBuf; col++) { |
| 218 |
rasterBuf.setElem(row, col, 0, (byte) ((pRGBArray[(row * wBuf) + col] & 0x00ff0000) >> 16)); |
| 219 |
rasterBuf.setElem(row, col, 1, (byte) ((pRGBArray[(row * wBuf) + col] & 0x0000ff00) >> 8)); |
| 220 |
rasterBuf.setElem(row, col, 2, (byte) (pRGBArray[(row * wBuf) + col] & 0x000000ff)); |
| 221 |
} |
| 222 |
if (task.getEvent() != null) |
| 223 |
task.manageEvent(task.getEvent()); |
| 224 |
} |
| 225 |
} catch (MrSIDException e) {
|
| 226 |
throw new RasterDriverException("Error reading data"); |
| 227 |
} |
| 228 |
return rasterBuf;
|
| 229 |
} |
| 230 |
|
| 231 |
/*
|
| 232 |
* (non-Javadoc)
|
| 233 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.IBuffer, boolean)
|
| 234 |
*/
|
| 235 |
public IBuffer getWindowRaster(double ulx, double uly, double w, double h, BandList bandList, IBuffer rasterBuf, boolean adjustToExtent) throws InterruptedException, RasterDriverException { |
| 236 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString());
|
| 237 |
|
| 238 |
// El incremento o decremento de las X e Y depende de los signos de rotaci?n
|
| 239 |
// y escala en la matriz de transformaci?n. Por esto
|
| 240 |
// tenemos que averiguar si lrx es x + w o x -w, asi como si lry es y + h o
|
| 241 |
// y - h
|
| 242 |
Extent ext = getExtent(); |
| 243 |
Point2D pInit = rasterToWorld(new Point2D.Double(0, 0)); |
| 244 |
Point2D pEnd = rasterToWorld(new Point2D.Double(getWidth(), getHeight())); |
| 245 |
double wRaster = Math.abs(pEnd.getX() - pInit.getX()); |
| 246 |
double hRaster = Math.abs(pEnd.getY() - pInit.getY()); |
| 247 |
double lrx = (((ext.getULX() - wRaster) > ext.maxX()) || ((ext.getULX() - wRaster) < ext.minX())) ? (ulx + w) : (ulx - w);
|
| 248 |
double lry = (((ext.getULY() - hRaster) > ext.maxY()) || ((ext.getULY() - hRaster) < ext.minY())) ? (uly + h) : (uly - h);
|
| 249 |
|
| 250 |
// TODO: FUNCIONALIDAD: Hacer caso del bandList
|
| 251 |
int width = rasterBuf.getWidth();
|
| 252 |
int height = rasterBuf.getHeight();
|
| 253 |
|
| 254 |
// Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 255 |
if (width <= 0) |
| 256 |
width = 1;
|
| 257 |
|
| 258 |
if (height <= 0) |
| 259 |
height = 1;
|
| 260 |
|
| 261 |
setView(new Extent(ulx, uly, lrx, lry));
|
| 262 |
file.setView(viewRequest.minX(), viewRequest.maxY(), viewRequest.maxX(), viewRequest.minY(), width, height); |
| 263 |
|
| 264 |
int[] pRGBArray = new int[width * height]; |
| 265 |
|
| 266 |
try {
|
| 267 |
file.readScene(pRGBArray, task); |
| 268 |
int wBuf = rasterBuf.getWidth();
|
| 269 |
for (int row = 0; row < rasterBuf.getHeight(); row++) { |
| 270 |
for (int col = 0; col < wBuf; col++) { |
| 271 |
rasterBuf.setElem(row, col, 0, (byte) ((pRGBArray[(row * wBuf) + col] & 0x00ff0000) >> 16)); |
| 272 |
rasterBuf.setElem(row, col, 1, (byte) ((pRGBArray[(row * wBuf) + col] & 0x0000ff00) >> 8)); |
| 273 |
rasterBuf.setElem(row, col, 2, (byte) (pRGBArray[(row * wBuf) + col] & 0x000000ff)); |
| 274 |
} |
| 275 |
if (task.getEvent() != null) |
| 276 |
task.manageEvent(task.getEvent()); |
| 277 |
} |
| 278 |
} catch (MrSIDException e) {
|
| 279 |
throw new RasterDriverException("Error reading data"); |
| 280 |
} |
| 281 |
return rasterBuf;
|
| 282 |
} |
| 283 |
|
| 284 |
/*
|
| 285 |
* (non-Javadoc)
|
| 286 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.IBuffer, boolean)
|
| 287 |
*/
|
| 288 |
public IBuffer getWindowRaster(double ulx, double uly, double lrx, double lry, int bufWidth, int bufHeight, BandList bandList, IBuffer rasterBuf, boolean adjustToExtent) throws InterruptedException, RasterDriverException { |
| 289 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString());
|
| 290 |
|
| 291 |
// Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 292 |
if (bufWidth <= 0) |
| 293 |
bufWidth = 1;
|
| 294 |
|
| 295 |
if (bufHeight <= 0) |
| 296 |
bufHeight = 1;
|
| 297 |
|
| 298 |
setView(new Extent(ulx, uly, lrx, lry));
|
| 299 |
file.setView(viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), bufWidth, bufHeight); |
| 300 |
|
| 301 |
int[] pRGBArray = new int[bufWidth * bufHeight]; |
| 302 |
|
| 303 |
try {
|
| 304 |
file.readScene(pRGBArray, task); |
| 305 |
int w = rasterBuf.getWidth();
|
| 306 |
for (int row = 0; row < rasterBuf.getHeight(); row++) { |
| 307 |
for (int col = 0; col < w; col++) { |
| 308 |
rasterBuf.setElem(row, col, 0, (byte) ((pRGBArray[(row * w) + col] & 0x00ff0000) >> 16)); |
| 309 |
rasterBuf.setElem(row, col, 1, (byte) ((pRGBArray[(row * w) + col] & 0x0000ff00) >> 8)); |
| 310 |
rasterBuf.setElem(row, col, 2, (byte) (pRGBArray[(row * w) + col] & 0x000000ff)); |
| 311 |
} |
| 312 |
if (task.getEvent() != null) |
| 313 |
task.manageEvent(task.getEvent()); |
| 314 |
} |
| 315 |
} catch (MrSIDException e) {
|
| 316 |
throw new RasterDriverException("Error reading data"); |
| 317 |
} |
| 318 |
return rasterBuf;
|
| 319 |
} |
| 320 |
|
| 321 |
/*
|
| 322 |
* (non-Javadoc)
|
| 323 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, int, int, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.IBuffer)
|
| 324 |
*/
|
| 325 |
public IBuffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, IBuffer rasterBuf) throws InterruptedException, RasterDriverException { |
| 326 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString());
|
| 327 |
|
| 328 |
// TODO: FUNCIONALIDAD: Hacer caso del bandList
|
| 329 |
// Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 330 |
if (bufWidth <= 0) |
| 331 |
bufWidth = 1;
|
| 332 |
|
| 333 |
if (bufHeight <= 0) |
| 334 |
bufHeight = 1;
|
| 335 |
|
| 336 |
Point2D begin = rasterToWorld(new Point2D.Double(x, y)); |
| 337 |
Point2D end = rasterToWorld(new Point2D.Double(x + w, y + h)); |
| 338 |
|
| 339 |
file.setView(begin.getX(), begin.getY(), end.getX(), end.getY(), bufWidth, bufHeight); |
| 340 |
|
| 341 |
int[] pRGBArray = new int[bufWidth * bufHeight]; |
| 342 |
try {
|
| 343 |
file.readScene(pRGBArray, task); |
| 344 |
for (int row = 0; row < bufHeight; row++) { |
| 345 |
for (int col = 0; col < bufWidth; col++) { |
| 346 |
rasterBuf.setElem(row, col, 0, (byte) ((pRGBArray[(row * bufWidth) + col] & 0x00ff0000) >> 16)); |
| 347 |
rasterBuf.setElem(row, col, 1, (byte) ((pRGBArray[(row * bufWidth) + col] & 0x0000ff00) >> 8)); |
| 348 |
rasterBuf.setElem(row, col, 2, (byte) (pRGBArray[(row * bufWidth) + col] & 0x000000ff)); |
| 349 |
} |
| 350 |
if (task.getEvent() != null) |
| 351 |
task.manageEvent(task.getEvent()); |
| 352 |
} |
| 353 |
} catch (MrSIDException e) {
|
| 354 |
throw new RasterDriverException("Error reading data"); |
| 355 |
} |
| 356 |
return rasterBuf;
|
| 357 |
} |
| 358 |
|
| 359 |
/*
|
| 360 |
* (non-Javadoc)
|
| 361 |
* @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int)
|
| 362 |
*/
|
| 363 |
public Object readBlock(int pos, int blockHeight) throws InvalidSetViewException, FileNotOpenException, RasterDriverException, InterruptedException { |
| 364 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString());
|
| 365 |
|
| 366 |
if (pos < 0) |
| 367 |
throw new InvalidSetViewException("Request out of grid"); |
| 368 |
|
| 369 |
if ((pos + blockHeight) > file.height)
|
| 370 |
blockHeight = Math.abs(file.height - pos);
|
| 371 |
|
| 372 |
Point2D begin = rasterToWorld(new Point2D.Double(0, pos)); |
| 373 |
Point2D end = rasterToWorld(new Point2D.Double(file.width, pos + blockHeight)); |
| 374 |
|
| 375 |
int w = file.width;
|
| 376 |
|
| 377 |
file.setView(begin.getX(), begin.getY(), end.getX(), end.getY(), w, blockHeight); |
| 378 |
|
| 379 |
int[] pRGBArray = new int[file.width * blockHeight]; |
| 380 |
try {
|
| 381 |
file.readScene(pRGBArray, task); |
| 382 |
byte[][][] buf = new byte[3][blockHeight][w]; |
| 383 |
for (int row = 0; row < blockHeight; row++) { |
| 384 |
for (int col = 0; col < w; col++) { |
| 385 |
buf[0][row][col] = (byte) ((pRGBArray[(row * w) + col] & 0x00ff0000) >> 16); |
| 386 |
buf[1][row][col] = (byte) ((pRGBArray[(row * w) + col] & 0x0000ff00) >> 8); |
| 387 |
buf[2][row][col] = (byte) (pRGBArray[(row * w) + col] & 0x000000ff); |
| 388 |
} |
| 389 |
if (task.getEvent() != null) |
| 390 |
task.manageEvent(task.getEvent()); |
| 391 |
} |
| 392 |
return buf;
|
| 393 |
} catch (MrSIDException e) {
|
| 394 |
throw new RasterDriverException("Error reading data"); |
| 395 |
} |
| 396 |
} |
| 397 |
|
| 398 |
/*
|
| 399 |
* (non-Javadoc)
|
| 400 |
* @see org.gvsig.raster.dataset.RasterDataset#readCompleteLine(int, int)
|
| 401 |
*/
|
| 402 |
public Object readCompleteLine(int line, int band) |
| 403 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
| 404 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString());
|
| 405 |
|
| 406 |
if (line > this.getHeight() || band > this.getBandCount()) |
| 407 |
throw new InvalidSetViewException("Request out of grid"); |
| 408 |
|
| 409 |
try {
|
| 410 |
Extent extent = getExtent(); |
| 411 |
Point2D pt = rasterToWorld(new Point2D.Double(extent.minX(), line)); |
| 412 |
file.setView(extent.minX(), pt.getY(), extent.maxX(), pt.getY(), getWidth(), 1);
|
| 413 |
int[] pRGBArray = new int[getWidth()]; |
| 414 |
file.readScene(pRGBArray, task); |
| 415 |
return pRGBArray;
|
| 416 |
} catch (MrSIDException e) {
|
| 417 |
throw new RasterDriverException("Error reading data from MrSID library"); |
| 418 |
} catch (InterruptedException e) { |
| 419 |
// El proceso que debe ser interrumpido es el que llama a readLine.
|
| 420 |
} |
| 421 |
return null; |
| 422 |
} |
| 423 |
|
| 424 |
/*
|
| 425 |
* (non-Javadoc)
|
| 426 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.IBuffer)
|
| 427 |
*/
|
| 428 |
public IBuffer getWindowRaster(int x, int y, int w, int h, BandList bandList, IBuffer rasterBuf) throws InterruptedException, RasterDriverException { |
| 429 |
try {
|
| 430 |
file.readWindow(rasterBuf, bandList, x, y, w, h); |
| 431 |
} catch (MrSIDException e) {
|
| 432 |
throw new RasterDriverException("Error reading data"); |
| 433 |
} |
| 434 |
return rasterBuf;
|
| 435 |
} |
| 436 |
|
| 437 |
/**
|
| 438 |
* Obtiene el objeto que contiene el estado de la transparencia
|
| 439 |
*/
|
| 440 |
public Transparency getTransparencyDatasetStatus() { |
| 441 |
if (fileTransparency == null) |
| 442 |
fileTransparency = new Transparency(); |
| 443 |
return fileTransparency;
|
| 444 |
} |
| 445 |
|
| 446 |
/**
|
| 447 |
* Obtiene el objeto que contiene que contiene la interpretaci?n de color por banda
|
| 448 |
* @return
|
| 449 |
*/
|
| 450 |
public DatasetColorInterpretation getColorInterpretation() {
|
| 451 |
if (colorInterpr == null) { |
| 452 |
colorInterpr = new DatasetColorInterpretation();
|
| 453 |
colorInterpr.initColorInterpretation(getBandCount()); |
| 454 |
if (getBandCount() == 1) |
| 455 |
colorInterpr.setColorInterpValue(0, DatasetColorInterpretation.GRAY_BAND);
|
| 456 |
if (getBandCount() >= 3) { |
| 457 |
colorInterpr.setColorInterpValue(0, DatasetColorInterpretation.RED_BAND);
|
| 458 |
colorInterpr.setColorInterpValue(1, DatasetColorInterpretation.GREEN_BAND);
|
| 459 |
colorInterpr.setColorInterpValue(2, DatasetColorInterpretation.BLUE_BAND);
|
| 460 |
} |
| 461 |
} |
| 462 |
return colorInterpr;
|
| 463 |
} |
| 464 |
|
| 465 |
/**
|
| 466 |
* Asigna el objeto que contiene que contiene la interpretaci?n de color por banda
|
| 467 |
* @param DatasetColorInterpretation
|
| 468 |
*/
|
| 469 |
public void setColorInterpretation(DatasetColorInterpretation colorInterpretation) { |
| 470 |
this.colorInterpretation = colorInterpretation;
|
| 471 |
} |
| 472 |
|
| 473 |
/*
|
| 474 |
* (non-Javadoc)
|
| 475 |
* @see org.gvsig.raster.dataset.GeoInfo#getWktProjection()
|
| 476 |
*/
|
| 477 |
public String getWktProjection() { |
| 478 |
// System.err.println("======>" + file);
|
| 479 |
return null; |
| 480 |
} |
| 481 |
|
| 482 |
/*
|
| 483 |
* (non-Javadoc)
|
| 484 |
* @see org.gvsig.raster.dataset.GeoInfo#setAffineTransform(java.awt.geom.AffineTransform)
|
| 485 |
*/
|
| 486 |
public void setAffineTransform(AffineTransform t) { |
| 487 |
super.setAffineTransform(t);
|
| 488 |
file.setExternalTransform(t); |
| 489 |
} |
| 490 |
|
| 491 |
/*
|
| 492 |
* (non-Javadoc)
|
| 493 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewCount(int)
|
| 494 |
*/
|
| 495 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 496 |
if (band >= getBandCount())
|
| 497 |
throw new BandAccessException("Wrong band"); |
| 498 |
try {
|
| 499 |
return file.getNumLevels();
|
| 500 |
} catch (MrSIDException e) {
|
| 501 |
throw new RasterDriverException(""); |
| 502 |
} |
| 503 |
} |
| 504 |
|
| 505 |
/*
|
| 506 |
* (non-Javadoc)
|
| 507 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewWidth(int, int)
|
| 508 |
*/
|
| 509 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
| 510 |
if (band >= getBandCount())
|
| 511 |
throw new BandAccessException("Wrong band"); |
| 512 |
return 0; |
| 513 |
} |
| 514 |
|
| 515 |
/*
|
| 516 |
* (non-Javadoc)
|
| 517 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewHeight(int, int)
|
| 518 |
*/
|
| 519 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
| 520 |
if (band >= getBandCount())
|
| 521 |
throw new BandAccessException("Wrong band"); |
| 522 |
return 0; |
| 523 |
} |
| 524 |
|
| 525 |
/*
|
| 526 |
* (non-Javadoc)
|
| 527 |
* @see org.gvsig.raster.dataset.RasterDataset#overviewsSupport()
|
| 528 |
*/
|
| 529 |
public boolean overviewsSupport() { |
| 530 |
// No podemos escribir por lo que no podemos informar de que soporta overviews aunque el formato si lo haga.
|
| 531 |
return false; |
| 532 |
} |
| 533 |
} |