root / trunk / libraries / libRaster / src / org / gvsig / raster / buffer / cache / RasterReadOnlyHugeBuffer.java @ 11351
History | View | Annotate | Download (11.3 KB)
| 1 |
package org.gvsig.raster.buffer.cache; |
|---|---|
| 2 |
|
| 3 |
import java.io.FileNotFoundException; |
| 4 |
|
| 5 |
import org.gvsig.raster.buffer.IBand; |
| 6 |
import org.gvsig.raster.buffer.RasterBuffer; |
| 7 |
import org.gvsig.raster.dataset.IBuffer; |
| 8 |
import org.gvsig.raster.dataset.NotSupportedExtensionException; |
| 9 |
import org.gvsig.raster.dataset.RasterDriverException; |
| 10 |
|
| 11 |
/**
|
| 12 |
*
|
| 13 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 14 |
*
|
| 15 |
*/
|
| 16 |
public class RasterReadOnlyHugeBuffer extends RasterBuffer { |
| 17 |
private Cache cache = null; |
| 18 |
private LRUAlgorithm lru = null; |
| 19 |
|
| 20 |
/**
|
| 21 |
* Constructor. Asigna las variables de inicializaci?n y crea la estructura de
|
| 22 |
* la cach? con los datos pasados.
|
| 23 |
* @param dataType Tipo de dato
|
| 24 |
* @param width Ancho
|
| 25 |
* @param height Alto
|
| 26 |
* @param bandNr Banda
|
| 27 |
* @param orig
|
| 28 |
* @throws RasterDriverException
|
| 29 |
* @throws NotSupportedExtensionException
|
| 30 |
* @throws FileNotFoundException
|
| 31 |
*/
|
| 32 |
public RasterReadOnlyHugeBuffer(int dataType, int width, int height, int nBand, String fileName) |
| 33 |
throws FileNotFoundException, NotSupportedExtensionException, RasterDriverException{ |
| 34 |
cache = new Cache(nBand, dataType, width, height, fileName);
|
| 35 |
lru = new LRUAlgorithm(cache);
|
| 36 |
|
| 37 |
this.dataType = dataType;
|
| 38 |
this.width = width;
|
| 39 |
this.height = height;
|
| 40 |
this.nBands = nBand;
|
| 41 |
} |
| 42 |
|
| 43 |
public void malloc(int dataType, int width, int height, int bandNr) { |
| 44 |
} |
| 45 |
|
| 46 |
/*
|
| 47 |
* (non-Javadoc)
|
| 48 |
* @see org.gvsig.raster.driver.IBuffer#isBandSwitchable()
|
| 49 |
*/
|
| 50 |
public boolean isBandSwitchable(){ |
| 51 |
return false; |
| 52 |
} |
| 53 |
|
| 54 |
/**
|
| 55 |
* Obtiene la cach?
|
| 56 |
* @return
|
| 57 |
*/
|
| 58 |
public Cache getCache() {
|
| 59 |
return cache;
|
| 60 |
} |
| 61 |
//*********************************************************
|
| 62 |
|
| 63 |
public byte[][] getLineByte(int line) { |
| 64 |
try {
|
| 65 |
lru.cacheAccess(line, true);
|
| 66 |
} catch (InvalidPageNumberException e) {return null;} |
| 67 |
return cache.getAccessPage().getLineByte((line & cache.getOffset()));
|
| 68 |
} |
| 69 |
|
| 70 |
public short[][] getLineShort(int line) { |
| 71 |
try {
|
| 72 |
lru.cacheAccess(line, true);
|
| 73 |
} catch (InvalidPageNumberException e) {return null;} |
| 74 |
return cache.getAccessPage().getLineShort((line & cache.getOffset()));
|
| 75 |
} |
| 76 |
|
| 77 |
public int[][] getLineInt(int line) { |
| 78 |
try {
|
| 79 |
lru.cacheAccess(line, true);
|
| 80 |
} catch (InvalidPageNumberException e) {return null;} |
| 81 |
return cache.getAccessPage().getLineInt((line & cache.getOffset()));
|
| 82 |
} |
| 83 |
|
| 84 |
public float[][] getLineFloat(int line) { |
| 85 |
try {
|
| 86 |
lru.cacheAccess(line, true);
|
| 87 |
} catch (InvalidPageNumberException e) {return null;} |
| 88 |
return cache.getAccessPage().getLineFloat((line & cache.getOffset()));
|
| 89 |
} |
| 90 |
|
| 91 |
public double[][] getLineDouble(int line) { |
| 92 |
try {
|
| 93 |
lru.cacheAccess(line, true);
|
| 94 |
} catch (InvalidPageNumberException e) {return null;} |
| 95 |
return cache.getAccessPage().getLineDouble((line & cache.getOffset()));
|
| 96 |
} |
| 97 |
|
| 98 |
//*********************************************************
|
| 99 |
|
| 100 |
public void setLineByte(byte[][] data, int line) {} |
| 101 |
|
| 102 |
public void setLineShort(short[][] data, int line) {} |
| 103 |
|
| 104 |
public void setLineInt(int[][] data, int line) {} |
| 105 |
|
| 106 |
public void setLineFloat(float[][] data, int line) {} |
| 107 |
|
| 108 |
public void setLineDouble(double[][] data, int line) {} |
| 109 |
|
| 110 |
//*********************************************************
|
| 111 |
|
| 112 |
public byte[] getLineFromBandByte(int line, int band) { |
| 113 |
try {
|
| 114 |
lru.cacheAccess(line, true);
|
| 115 |
} catch (InvalidPageNumberException e) {return null;} |
| 116 |
return cache.getAccessPage().getLineFromBandByte((line & cache.getOffset()), band);
|
| 117 |
} |
| 118 |
|
| 119 |
public short[] getLineFromBandShort(int line, int band) { |
| 120 |
try {
|
| 121 |
lru.cacheAccess(line, true);
|
| 122 |
} catch (InvalidPageNumberException e) {return null;} |
| 123 |
return cache.getAccessPage().getLineFromBandShort((line & cache.getOffset()), band);
|
| 124 |
} |
| 125 |
|
| 126 |
public int[] getLineFromBandInt(int line, int band) { |
| 127 |
try {
|
| 128 |
lru.cacheAccess(line, true);
|
| 129 |
} catch (InvalidPageNumberException e) {return null;} |
| 130 |
return cache.getAccessPage().getLineFromBandInt((line & cache.getOffset()), band);
|
| 131 |
} |
| 132 |
|
| 133 |
public float[] getLineFromBandFloat(int line, int band) { |
| 134 |
try {
|
| 135 |
lru.cacheAccess(line, true);
|
| 136 |
} catch (InvalidPageNumberException e) {return null;} |
| 137 |
return cache.getAccessPage().getLineFromBandFloat((line & cache.getOffset()), band);
|
| 138 |
} |
| 139 |
|
| 140 |
public double[] getLineFromBandDouble(int line, int band) { |
| 141 |
try {
|
| 142 |
lru.cacheAccess(line, true);
|
| 143 |
} catch (InvalidPageNumberException e) {return null;} |
| 144 |
return cache.getAccessPage().getLineFromBandDouble((line & cache.getOffset()), band);
|
| 145 |
} |
| 146 |
|
| 147 |
//*********************************************************
|
| 148 |
|
| 149 |
public void setLineInBandByte(byte[] data, int line, int band) {} |
| 150 |
|
| 151 |
public void setLineInBandShort(short[] data, int line, int band) {} |
| 152 |
|
| 153 |
public void setLineInBandInt(int[] data, int line, int band) {} |
| 154 |
|
| 155 |
public void setLineInBandFloat(float[] data, int line, int band) {} |
| 156 |
|
| 157 |
public void setLineInBandDouble(double[] data, int line, int band) {} |
| 158 |
|
| 159 |
//*********************************************************
|
| 160 |
|
| 161 |
public byte getElemByte(int line, int col, int band) { |
| 162 |
try {
|
| 163 |
lru.cacheAccess(line, true);
|
| 164 |
} catch (InvalidPageNumberException e) {
|
| 165 |
return (byte)getNoDataValue(); //No leemos el dato |
| 166 |
} |
| 167 |
return cache.getAccessPage().getElemByte((line & cache.getOffset()), col, band);
|
| 168 |
} |
| 169 |
|
| 170 |
public short getElemShort(int line, int col, int band) { |
| 171 |
try {
|
| 172 |
lru.cacheAccess(line, true);
|
| 173 |
} catch (InvalidPageNumberException e) {
|
| 174 |
return (short)getNoDataValue(); //No leemos el dato |
| 175 |
} |
| 176 |
return cache.getAccessPage().getElemShort((line & cache.getOffset()), col, band);
|
| 177 |
} |
| 178 |
|
| 179 |
public int getElemInt(int line, int col, int band) { |
| 180 |
try {
|
| 181 |
lru.cacheAccess(line, true);
|
| 182 |
} catch (InvalidPageNumberException e) {
|
| 183 |
return (int)getNoDataValue(); //No leemos el dato |
| 184 |
} |
| 185 |
return cache.getAccessPage().getElemInt((line & cache.getOffset()), col, band);
|
| 186 |
} |
| 187 |
|
| 188 |
public float getElemFloat(int line, int col, int band) { |
| 189 |
try {
|
| 190 |
lru.cacheAccess(line, true);
|
| 191 |
} catch (InvalidPageNumberException e) {
|
| 192 |
return (float)getNoDataValue(); //No leemos el dato |
| 193 |
} |
| 194 |
return cache.getAccessPage().getElemFloat((line & cache.getOffset()), col, band);
|
| 195 |
} |
| 196 |
|
| 197 |
public double getElemDouble(int line, int col, int band) { |
| 198 |
try {
|
| 199 |
lru.cacheAccess(line, true);
|
| 200 |
} catch (InvalidPageNumberException e) {
|
| 201 |
return (double)getNoDataValue(); //No leemos el dato |
| 202 |
} |
| 203 |
return cache.getAccessPage().getElemDouble((line & cache.getOffset()), col, band);
|
| 204 |
} |
| 205 |
|
| 206 |
//*********************************************************
|
| 207 |
|
| 208 |
public void setElem(int line, int col, int band, byte data) {} |
| 209 |
|
| 210 |
public void setElem(int line, int col, int band, short data) {} |
| 211 |
|
| 212 |
public void setElem(int line, int col, int band, int data) {} |
| 213 |
|
| 214 |
public void setElem(int line, int col, int band, float data) {} |
| 215 |
|
| 216 |
public void setElem(int line, int col, int band, double data) {} |
| 217 |
|
| 218 |
//*********************************************************
|
| 219 |
|
| 220 |
public void getElemByte(int line, int col, byte[] data) { |
| 221 |
try {
|
| 222 |
lru.cacheAccess(line, true);
|
| 223 |
} catch (InvalidPageNumberException e) {
|
| 224 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 225 |
data[iBand] = (byte)getNoDataValue();
|
| 226 |
} |
| 227 |
cache.getAccessPage().getElemByte((line & cache.getOffset()), col, data); |
| 228 |
} |
| 229 |
|
| 230 |
public void getElemShort(int line, int col, short[] data) { |
| 231 |
try {
|
| 232 |
lru.cacheAccess(line, true);
|
| 233 |
} catch (InvalidPageNumberException e) {
|
| 234 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 235 |
data[iBand] = (short)getNoDataValue();
|
| 236 |
} |
| 237 |
cache.getAccessPage().getElemShort((line & cache.getOffset()), col, data); |
| 238 |
} |
| 239 |
|
| 240 |
public void getElemInt(int line, int col, int[] data) { |
| 241 |
try {
|
| 242 |
lru.cacheAccess(line, true);
|
| 243 |
} catch (InvalidPageNumberException e) {
|
| 244 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 245 |
data[iBand] = (int)getNoDataValue();
|
| 246 |
} |
| 247 |
cache.getAccessPage().getElemInt((line & cache.getOffset()), col, data); |
| 248 |
} |
| 249 |
|
| 250 |
public void getElemFloat(int line, int col, float[] data) { |
| 251 |
try {
|
| 252 |
lru.cacheAccess(line, true);
|
| 253 |
} catch (InvalidPageNumberException e) {
|
| 254 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 255 |
data[iBand] = (float)getNoDataValue();
|
| 256 |
} |
| 257 |
cache.getAccessPage().getElemFloat((line & cache.getOffset()), col, data); |
| 258 |
} |
| 259 |
|
| 260 |
public void getElemDouble(int line, int col, double[] data) { |
| 261 |
try {
|
| 262 |
lru.cacheAccess(line, true);
|
| 263 |
} catch (InvalidPageNumberException e) {
|
| 264 |
for (int iBand = 0; iBand < data.length; iBand++) |
| 265 |
data[iBand] = (double)getNoDataValue();
|
| 266 |
} |
| 267 |
cache.getAccessPage().getElemDouble((line & cache.getOffset()), col, data); |
| 268 |
} |
| 269 |
|
| 270 |
//*********************************************************
|
| 271 |
|
| 272 |
public void setElemByte(int line, int col, byte[] data) {} |
| 273 |
|
| 274 |
public void setElemShort(int line, int col, short[] data) {} |
| 275 |
|
| 276 |
public void setElemInt(int line, int col, int[] data) {} |
| 277 |
|
| 278 |
public void setElemFloat(int line, int col, float[] data) {} |
| 279 |
|
| 280 |
public void setElemDouble(int line, int col, double[] data) {} |
| 281 |
|
| 282 |
//***********************************************
|
| 283 |
//Obtiene una banda entera
|
| 284 |
|
| 285 |
public IBand getBand(int band){ |
| 286 |
return null; |
| 287 |
} |
| 288 |
|
| 289 |
/*
|
| 290 |
* (non-Javadoc)
|
| 291 |
* @see org.gvsig.fmap.driver.IBuffer#getBandBuffer(int)
|
| 292 |
*/
|
| 293 |
public IBuffer getBandBuffer(int iBand){ |
| 294 |
return null; |
| 295 |
} |
| 296 |
|
| 297 |
public void replicateBand(int orig, int dest) { |
| 298 |
} |
| 299 |
|
| 300 |
/*
|
| 301 |
* (non-Javadoc)
|
| 302 |
* @see org.gvsig.fmap.dataaccess.buffer.RasterBuffer#switchBands(int[])
|
| 303 |
*/
|
| 304 |
public void switchBands(int[] bandPosition){ |
| 305 |
|
| 306 |
} |
| 307 |
|
| 308 |
//*********************************************************
|
| 309 |
|
| 310 |
public RasterBuffer adjustRasterNearestNeighbourInterpolation(int w, int h, int[] bands) { |
| 311 |
return null; |
| 312 |
} |
| 313 |
|
| 314 |
public RasterBuffer adjustRasterBilinearInterpolation(int w, int h, int[] bands) { |
| 315 |
return null; |
| 316 |
} |
| 317 |
|
| 318 |
public RasterBuffer adjustRasterInverseDistanceInterpolation(int w, int h, int[] bands) { |
| 319 |
return null; |
| 320 |
} |
| 321 |
|
| 322 |
public RasterBuffer adjustRasterBicubicSplineInterpolation(int w, int h, int[] bands) { |
| 323 |
return null; |
| 324 |
} |
| 325 |
|
| 326 |
public RasterBuffer adjustRasterBSplineInterpolation(int w, int h, int[] bands) { |
| 327 |
return null; |
| 328 |
} |
| 329 |
|
| 330 |
//*********************************************************
|
| 331 |
|
| 332 |
public void assign(int band, byte value) {} |
| 333 |
|
| 334 |
public void assign(int band, short value) {} |
| 335 |
|
| 336 |
public void assign(int band, int value) {} |
| 337 |
|
| 338 |
public void assign(int band, float value) {} |
| 339 |
|
| 340 |
public void assign(int band, double value) {} |
| 341 |
|
| 342 |
|
| 343 |
/*
|
| 344 |
* (non-Javadoc)
|
| 345 |
* @see org.gvsig.fmap.driver.IBuffer#cloneBuffer()
|
| 346 |
*/
|
| 347 |
public IBuffer cloneBuffer(){
|
| 348 |
return null; |
| 349 |
} |
| 350 |
|
| 351 |
/*
|
| 352 |
* (non-Javadoc)
|
| 353 |
* @see org.gvsig.fmap.driver.IBuffer#interchangeBands(int, int)
|
| 354 |
*/
|
| 355 |
public void interchangeBands(int band1, int band2) { |
| 356 |
} |
| 357 |
|
| 358 |
/*
|
| 359 |
* (non-Javadoc)
|
| 360 |
* @see org.gvsig.fmap.driver.IBuffer#interchangeBands(int[])
|
| 361 |
*/
|
| 362 |
public void interchangeBands(int[] bands){ |
| 363 |
|
| 364 |
} |
| 365 |
|
| 366 |
/*
|
| 367 |
* (non-Javadoc)
|
| 368 |
* @see org.gvsig.fmap.driver.IBuffer#mallocOneBand(int, int, int, int)
|
| 369 |
*/
|
| 370 |
public void mallocOneBand(int dataType, int width, int height, int band) { |
| 371 |
|
| 372 |
} |
| 373 |
|
| 374 |
/*
|
| 375 |
* (non-Javadoc)
|
| 376 |
* @see org.gvsig.fmap.driver.IBuffer#copyBand(int, org.gvsig.fmap.dataaccess.buffer.IBand)
|
| 377 |
*/
|
| 378 |
public void copyBand(int nBand, IBand band) { |
| 379 |
|
| 380 |
} |
| 381 |
|
| 382 |
/*
|
| 383 |
* (non-Javadoc)
|
| 384 |
* @see org.gvsig.fmap.driver.IBuffer#assignBand(int, org.gvsig.fmap.dataaccess.buffer.IBand)
|
| 385 |
*/
|
| 386 |
public void assignBand(int nBand, IBand band) { |
| 387 |
|
| 388 |
} |
| 389 |
|
| 390 |
/*
|
| 391 |
* (non-Javadoc)
|
| 392 |
* @see org.gvsig.fmap.driver.IBuffer#createBand(byte)
|
| 393 |
*/
|
| 394 |
public IBand createBand(byte defaultValue) { |
| 395 |
|
| 396 |
return null; |
| 397 |
} |
| 398 |
|
| 399 |
/*
|
| 400 |
* (non-Javadoc)
|
| 401 |
* @see org.gvsig.fmap.driver.IBuffer#assignBandToNotValid(int)
|
| 402 |
*/
|
| 403 |
public void assignBandToNotValid(int iBand) { |
| 404 |
|
| 405 |
} |
| 406 |
|
| 407 |
} |