gvsig-raster / org.gvsig.raster.gdal / trunk / org.gvsig.raster.gdal / org.gvsig.raster.gdal.io / src / main / java / org / gvsig / raster / gdal / io / GdalProvider.java @ 1969
History | View | Annotate | Download (24.4 KB)
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
| 4 |
* of the Valencian Government (CIT)
|
| 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., 51 Franklin Street, Fifth Floor, Boston,
|
| 19 |
* MA 02110-1301, USA.
|
| 20 |
*
|
| 21 |
*/
|
| 22 |
package org.gvsig.raster.gdal.io; |
| 23 |
|
| 24 |
import java.awt.geom.AffineTransform; |
| 25 |
import java.awt.geom.Point2D; |
| 26 |
import java.awt.geom.Rectangle2D; |
| 27 |
import java.io.BufferedReader; |
| 28 |
import java.io.File; |
| 29 |
import java.io.FileNotFoundException; |
| 30 |
import java.io.FileReader; |
| 31 |
import java.io.IOException; |
| 32 |
|
| 33 |
import org.gvsig.fmap.dal.DALFileLocator; |
| 34 |
import org.gvsig.fmap.dal.DALLocator; |
| 35 |
import org.gvsig.fmap.dal.DataStore; |
| 36 |
import org.gvsig.fmap.dal.coverage.RasterLocator; |
| 37 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
| 38 |
import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
| 39 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
| 40 |
import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
| 41 |
import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
| 42 |
import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
| 43 |
import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
| 44 |
import org.gvsig.fmap.dal.coverage.exception.ParsingException; |
| 45 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
| 46 |
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
| 47 |
import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
| 48 |
import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
| 49 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
| 50 |
import org.gvsig.jgdal.GdalException; |
| 51 |
import org.gvsig.metadata.MetadataLocator; |
| 52 |
import org.gvsig.raster.cache.tile.provider.TileListener; |
| 53 |
import org.gvsig.raster.cache.tile.provider.TileServer; |
| 54 |
import org.gvsig.raster.impl.datastruct.ExtentImpl; |
| 55 |
import org.gvsig.raster.impl.provider.DefaultRasterProvider; |
| 56 |
import org.gvsig.raster.impl.provider.RasterProvider; |
| 57 |
import org.gvsig.raster.impl.provider.tile.FileTileServer; |
| 58 |
import org.gvsig.raster.impl.store.AbstractRasterDataParameters; |
| 59 |
import org.gvsig.raster.impl.store.DefaultStoreFactory; |
| 60 |
import org.gvsig.raster.impl.store.properties.DataStoreMetadata; |
| 61 |
import org.gvsig.tools.ToolsLocator; |
| 62 |
import org.gvsig.tools.dynobject.DynObject; |
| 63 |
import org.gvsig.tools.extensionpoint.ExtensionPoint; |
| 64 |
import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
| 65 |
import org.gvsig.tools.task.TaskStatus; |
| 66 |
import org.slf4j.Logger; |
| 67 |
import org.slf4j.LoggerFactory; |
| 68 |
/**
|
| 69 |
* This class represents the data access for gdal formats.
|
| 70 |
*
|
| 71 |
* @author Luis W. Sevilla
|
| 72 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 73 |
*/
|
| 74 |
public class GdalProvider extends DefaultRasterProvider { |
| 75 |
public static String NAME = "Gdal Store"; |
| 76 |
public static String DESCRIPTION = "Gdal Raster file"; |
| 77 |
public static final String METADATA_DEFINITION_NAME = "GdalStore"; |
| 78 |
private static final Logger logger = LoggerFactory.getLogger(GdalProvider.class); |
| 79 |
|
| 80 |
public static final String FORMAT_GTiff = "GTiff"; |
| 81 |
public static final String FORMAT_VRT = "VRT"; |
| 82 |
public static final String FORMAT_NITF = "NITF"; |
| 83 |
public static final String FORMAT_HFA = "HFA"; |
| 84 |
public static final String FORMAT_ELAS = "ELAS"; |
| 85 |
public static final String FORMAT_MEM = "MEM"; |
| 86 |
public static final String FORMAT_BMP = "BMP"; |
| 87 |
public static final String FORMAT_PCIDSK = "PCIDSK"; |
| 88 |
public static final String FORMAT_ILWIS = "ILWIS"; |
| 89 |
public static final String FORMAT_HDF4 = "HDF4Image"; |
| 90 |
public static final String FORMAT_PNM = "PNM"; |
| 91 |
public static final String FORMAT_ENVI = "ENVI"; |
| 92 |
public static final String FORMAT_EHDR = "EHdr"; |
| 93 |
public static final String FORMAT_PAUX = "PAux"; |
| 94 |
public static final String FORMAT_MFF = "MFF"; |
| 95 |
public static final String FORMAT_MFF2 = "MFF2"; |
| 96 |
public static final String FORMAT_BT = "BT"; |
| 97 |
public static final String FORMAT_IDA = "IDA"; |
| 98 |
public static final String FORMAT_RMF = "RMF"; |
| 99 |
public static final String FORMAT_RST = "RST"; |
| 100 |
public static final String FORMAT_LEVELLER = "Leveller"; |
| 101 |
public static final String FORMAT_TERRAGEN = "Terragen"; |
| 102 |
public static final String FORMAT_ERS = "ERS"; |
| 103 |
public static final String FORMAT_INGR = "INGR"; |
| 104 |
public static final String FORMAT_GSAG = "GSAG"; |
| 105 |
public static final String FORMAT_GSBG = "GSBG"; |
| 106 |
public static final String FORMAT_ADRG = "ADRG"; |
| 107 |
public static final int BAND_HEIGHT = 64; |
| 108 |
protected GdalNative file = null; |
| 109 |
private Extent viewRequest = null; |
| 110 |
protected static String[] formatList = null; |
| 111 |
|
| 112 |
public static void register() { |
| 113 |
ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
| 114 |
registerFormats(); |
| 115 |
|
| 116 |
ExtensionPoint point = extensionPoints.get("DefaultRasterProvider");
|
| 117 |
point.append("reader", GdalProvider.NAME, GdalProvider.class);
|
| 118 |
|
| 119 |
RasterLocator.getManager().getProviderServices().registerFileProvidersTiled(GdalProvider.class); |
| 120 |
|
| 121 |
DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
| 122 |
if (dataman != null && !dataman.getStoreProviders().contains(NAME)) { |
| 123 |
dataman.registerStoreProvider(NAME, |
| 124 |
GdalProvider.class, GdalDataParameters.class); |
| 125 |
} |
| 126 |
|
| 127 |
if(DALFileLocator.getFilesystemServerExplorerManager() != null) |
| 128 |
DALFileLocator.getFilesystemServerExplorerManager().registerProvider( |
| 129 |
NAME, DESCRIPTION, |
| 130 |
GdalFilesystemServerExplorer.class); |
| 131 |
|
| 132 |
dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
| 133 |
} |
| 134 |
|
| 135 |
private static void registerFormats() { |
| 136 |
formatList = new String[] { |
| 137 |
"bmp",
|
| 138 |
"gif",
|
| 139 |
"tif",
|
| 140 |
"tiff",
|
| 141 |
"jpg",
|
| 142 |
"jpeg",
|
| 143 |
"png",
|
| 144 |
"vrt",
|
| 145 |
"dat", // Envi |
| 146 |
"lan", // Erdas |
| 147 |
"gis", // Erdas |
| 148 |
"img", // Erdas |
| 149 |
"pix", // PCI Geomatics |
| 150 |
"aux", // PCI Geomatics |
| 151 |
"adf", // ESRI Grids |
| 152 |
"mpr", // Ilwis |
| 153 |
"mpl", // Ilwis |
| 154 |
"map", // PC Raster |
| 155 |
"asc",
|
| 156 |
"pgm", //Ficheros PNM en escala de grises |
| 157 |
"ppm", //Ficheros PNM en RGB |
| 158 |
"rst", //IDRISIS |
| 159 |
"rmf", //Raster Matrix Format |
| 160 |
"nos",
|
| 161 |
"kap",
|
| 162 |
"hdr",
|
| 163 |
"raw",
|
| 164 |
"ers",
|
| 165 |
"xml"};
|
| 166 |
for (int i = 0; i < formatList.length; i++) |
| 167 |
RasterLocator.getManager().getProviderServices().addFormat(formatList[i], GdalProvider.class); |
| 168 |
} |
| 169 |
|
| 170 |
/*
|
| 171 |
* (non-Javadoc)
|
| 172 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getFormatList()
|
| 173 |
*/
|
| 174 |
public String[] getFormatList() { |
| 175 |
return formatList;
|
| 176 |
} |
| 177 |
|
| 178 |
/**
|
| 179 |
* Returns true if the extension is supported and false if doesn't
|
| 180 |
* @param ext
|
| 181 |
* @return
|
| 182 |
*/
|
| 183 |
public boolean isExtensionSupported(String ext) { |
| 184 |
if(ext.indexOf(".") != -1) |
| 185 |
ext = ext.substring(ext.lastIndexOf(".") + 1, ext.length()); |
| 186 |
for (int i = 0; i < formatList.length; i++) { |
| 187 |
if(formatList[i].compareTo(ext) == 0) |
| 188 |
return true; |
| 189 |
} |
| 190 |
return false; |
| 191 |
} |
| 192 |
|
| 193 |
/**
|
| 194 |
* Mandatory constructor to instantiate an empty provider
|
| 195 |
*/
|
| 196 |
public GdalProvider() {
|
| 197 |
} |
| 198 |
|
| 199 |
/**
|
| 200 |
* Constructor. Abre el dataset.
|
| 201 |
* @param proj Proyecci?n
|
| 202 |
* @param fName Nombre del fichero
|
| 203 |
* @throws NotSupportedExtensionException
|
| 204 |
*/
|
| 205 |
public GdalProvider(String params) throws NotSupportedExtensionException { |
| 206 |
super(params);
|
| 207 |
if(params instanceof String) { |
| 208 |
GdalDataParameters p = new GdalDataParameters();
|
| 209 |
p.setURI((String)params);
|
| 210 |
super.init(p, null, ToolsLocator.getDynObjectManager() |
| 211 |
.createDynObject( |
| 212 |
MetadataLocator.getMetadataManager().getDefinition( |
| 213 |
DataStore.METADATA_DEFINITION_NAME))); |
| 214 |
init(p, null);
|
| 215 |
} |
| 216 |
} |
| 217 |
|
| 218 |
public GdalProvider (GdalDataParameters params,
|
| 219 |
DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
|
| 220 |
super(params, storeServices, ToolsLocator.getDynObjectManager()
|
| 221 |
.createDynObject( |
| 222 |
MetadataLocator.getMetadataManager().getDefinition( |
| 223 |
DataStore.METADATA_DEFINITION_NAME))); |
| 224 |
init(params, storeServices); |
| 225 |
} |
| 226 |
|
| 227 |
public GdalProvider(AbstractRasterDataParameters params,
|
| 228 |
DataStoreProviderServices storeServices, DynObject metadata) {
|
| 229 |
super(params, storeServices, metadata);
|
| 230 |
} |
| 231 |
|
| 232 |
/**
|
| 233 |
* Creates file references and loads structures with the information and metadata
|
| 234 |
* @param params load parameters
|
| 235 |
* @throws NotSupportedExtensionException
|
| 236 |
*/
|
| 237 |
public void init (AbstractRasterDataParameters params, |
| 238 |
DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
|
| 239 |
try {
|
| 240 |
setParam(storeServices, params); |
| 241 |
validRmf(params.getURI()); |
| 242 |
file = new GdalNative(translateFileName(params.getURI()));
|
| 243 |
setColorInterpretation(file.colorInterpr); |
| 244 |
setColorTable(file.palette); |
| 245 |
noData = file.getNoDataValue(); |
| 246 |
String wktProjection = file.getProjectionRef();
|
| 247 |
if(wktProjection != null && wktProjection != "") { |
| 248 |
try {
|
| 249 |
if(RasterLocator.getManager().isCRSUtilSupported())
|
| 250 |
proj = RasterLocator.getManager().getCRSUtils().convertWktToIProjection(wktProjection); |
| 251 |
} catch (Exception e) { |
| 252 |
logger.info("Error reading WKT from the raster provider", e);
|
| 253 |
} |
| 254 |
} |
| 255 |
//CrsWkt crs = new CrsWkt(wktProjection);
|
| 256 |
//IProjection proj = CRSFactory.getCRS("EPSG:23030");
|
| 257 |
ownTransformation = file.getOwnTransformation(); |
| 258 |
externalTransformation = (AffineTransform)ownTransformation.clone();
|
| 259 |
load(); |
| 260 |
|
| 261 |
if(file != null) |
| 262 |
bandCount = file.getRasterCount(); |
| 263 |
} catch (GdalException e) {
|
| 264 |
throw new NotSupportedExtensionException("Extension not supported", e); |
| 265 |
} catch(Exception e) { |
| 266 |
System.out.println("Error en GdalOpen"); |
| 267 |
e.printStackTrace(); |
| 268 |
file = null;
|
| 269 |
} |
| 270 |
|
| 271 |
//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf
|
| 272 |
int[] dt = new int[file.getDataType().length]; |
| 273 |
for (int i = 0; i < dt.length; i++) |
| 274 |
dt[i] = GdalNative.getRasterBufTypeFromGdalType(file.getDataType()[i]); |
| 275 |
setDataType(dt); |
| 276 |
|
| 277 |
super.init();
|
| 278 |
|
| 279 |
try {
|
| 280 |
loadFromRmf(getRmfBlocksManager()); |
| 281 |
} catch (ParsingException e) {
|
| 282 |
//No lee desde rmf
|
| 283 |
logger.debug("Problems reading from the RMF file", e);
|
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
/**
|
| 288 |
* Comprueba si el fichero abierto es un RasterMetaFile o una imagen
|
| 289 |
* raster.
|
| 290 |
* @throws GdalException
|
| 291 |
*/
|
| 292 |
private void validRmf(String file) throws GdalException { |
| 293 |
if(file.endsWith(".rmf")) { |
| 294 |
File f = new File(file); |
| 295 |
FileReader fr;
|
| 296 |
try {
|
| 297 |
fr = new FileReader(f); |
| 298 |
BufferedReader br = new BufferedReader(fr); |
| 299 |
char[] buffer = new char[5]; |
| 300 |
br.read(buffer); |
| 301 |
StringBuffer st = new StringBuffer(new String(buffer)); |
| 302 |
if(st.toString().equals("<?xml")) |
| 303 |
throw new GdalException("RasterMetaFile"); |
| 304 |
} catch (FileNotFoundException e) { |
| 305 |
throw new GdalException("File Not Found"); |
| 306 |
} catch (IOException e) { |
| 307 |
throw new GdalException(""); |
| 308 |
} |
| 309 |
} |
| 310 |
} |
| 311 |
|
| 312 |
/*
|
| 313 |
* (non-Javadoc)
|
| 314 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#load()
|
| 315 |
*/
|
| 316 |
public RasterProvider load() {
|
| 317 |
return this; |
| 318 |
} |
| 319 |
|
| 320 |
/*
|
| 321 |
* (non-Javadoc)
|
| 322 |
* @see org.gvsig.raster.impl.provider.RasterProvider#isOpen()
|
| 323 |
*/
|
| 324 |
public boolean isOpen() { |
| 325 |
if(file != null && file.isOpen()) |
| 326 |
return true; |
| 327 |
return false; |
| 328 |
} |
| 329 |
|
| 330 |
/*
|
| 331 |
* (non-Javadoc)
|
| 332 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#translateFileName(java.lang.String)
|
| 333 |
*/
|
| 334 |
public String translateFileName(String fileName) { |
| 335 |
if(fileName.endsWith("hdr")) |
| 336 |
return fileName.substring(0, fileName.lastIndexOf(".")); |
| 337 |
return fileName;
|
| 338 |
} |
| 339 |
|
| 340 |
/**
|
| 341 |
* Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n
|
| 342 |
* de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v)
|
| 343 |
* ha de estar en coordenadas del fichero.
|
| 344 |
*/
|
| 345 |
public void setView(Extent e) { |
| 346 |
viewRequest = new ExtentImpl(e);
|
| 347 |
} |
| 348 |
|
| 349 |
/*
|
| 350 |
* (non-Javadoc)
|
| 351 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getView()
|
| 352 |
*/
|
| 353 |
public Extent getView() {
|
| 354 |
return viewRequest;
|
| 355 |
} |
| 356 |
|
| 357 |
/*
|
| 358 |
* (non-Javadoc)
|
| 359 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWidth()
|
| 360 |
*/
|
| 361 |
public double getWidth() { |
| 362 |
return file.width;
|
| 363 |
} |
| 364 |
|
| 365 |
/*
|
| 366 |
* (non-Javadoc)
|
| 367 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getHeight()
|
| 368 |
*/
|
| 369 |
public double getHeight() { |
| 370 |
return file.height;
|
| 371 |
} |
| 372 |
|
| 373 |
/**
|
| 374 |
* Read a line from the file
|
| 375 |
* @param line
|
| 376 |
* @param band
|
| 377 |
* @return
|
| 378 |
* @throws InvalidSetViewException
|
| 379 |
* @throws FileNotOpenException
|
| 380 |
* @throws RasterDriverException
|
| 381 |
* @Deprecated This operation is deprecated because is not useful and in the future
|
| 382 |
* it will not be maintained. The abstract operation has dissapear
|
| 383 |
*/
|
| 384 |
public Object readCompleteLine(int line, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
| 385 |
if(line > this.getHeight() || band > this.getBandCount()) |
| 386 |
throw new InvalidSetViewException("Request out of grid"); |
| 387 |
|
| 388 |
try{
|
| 389 |
return file.readCompleteLine(line, band);
|
| 390 |
}catch(GdalException e){
|
| 391 |
throw new RasterDriverException("Error reading data from Gdal library"); |
| 392 |
} |
| 393 |
} |
| 394 |
|
| 395 |
/*
|
| 396 |
* (non-Javadoc)
|
| 397 |
* @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int)
|
| 398 |
*/
|
| 399 |
public Object readBlock(int pos, int blockHeight, double scale) |
| 400 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException {
|
| 401 |
if(pos < 0) |
| 402 |
throw new InvalidSetViewException("Request out of grid"); |
| 403 |
|
| 404 |
if((pos + blockHeight) > getHeight())
|
| 405 |
blockHeight = Math.abs(((int)getHeight()) - pos); |
| 406 |
try{
|
| 407 |
return file.readBlock(pos, blockHeight, scale);
|
| 408 |
}catch(GdalException e){
|
| 409 |
throw new RasterDriverException("Error reading data from Gdal library"); |
| 410 |
} |
| 411 |
} |
| 412 |
|
| 413 |
/*
|
| 414 |
* (non-Javadoc)
|
| 415 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getData(int, int, int)
|
| 416 |
*/
|
| 417 |
public Object getData(int x, int y, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
| 418 |
if(file != null){ |
| 419 |
if(x < 0 || y < 0 || x >= file.width || y >= file.height) |
| 420 |
throw new InvalidSetViewException("Request out of grid"); |
| 421 |
Object[] data = file.getData(x, y); |
| 422 |
return data[band];
|
| 423 |
} |
| 424 |
throw new FileNotOpenException("GdalNative not exist"); |
| 425 |
} |
| 426 |
|
| 427 |
/*
|
| 428 |
* (non-Javadoc)
|
| 429 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.raster.cache.tile.provider.TileListener)
|
| 430 |
*/
|
| 431 |
public void getWindow(Extent ex, int bufWidth, int bufHeight, |
| 432 |
BandList bandList, TileListener listener, TaskStatus status) throws ProcessInterruptedException, RasterDriverException {
|
| 433 |
|
| 434 |
} |
| 435 |
|
| 436 |
/*
|
| 437 |
* (non-Javadoc)
|
| 438 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(org.gvsig.fmap.dal.coverage.datastruct.Extent, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
| 439 |
*/
|
| 440 |
public Buffer getWindow(Extent ex, BandList bandList, Buffer rasterBuf, TaskStatus status) |
| 441 |
throws ProcessInterruptedException, RasterDriverException {
|
| 442 |
setView(ex); |
| 443 |
|
| 444 |
try {
|
| 445 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
| 446 |
rasterBuf.getWidth(), rasterBuf.getHeight(), true, status);
|
| 447 |
} catch (GdalException e) {
|
| 448 |
throw new RasterDriverException("Error reading data", e); |
| 449 |
} |
| 450 |
|
| 451 |
return rasterBuf;
|
| 452 |
} |
| 453 |
|
| 454 |
/*
|
| 455 |
* (non-Javadoc)
|
| 456 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
|
| 457 |
*/
|
| 458 |
public Buffer getWindow(double ulx, double uly, double w, double h, |
| 459 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException { |
| 460 |
//El incremento o decremento de las X e Y depende de los signos de rotaci?n y escala en la matriz de transformaci?n. Por esto
|
| 461 |
//tenemos que averiguar si lrx es x + w o x -w, asi como si lry es y + h o y - h
|
| 462 |
Extent ext = getExtent(); |
| 463 |
Point2D pInit = rasterToWorld(new Point2D.Double(0, 0)); |
| 464 |
Point2D pEnd = rasterToWorld(new Point2D.Double(getWidth(), getHeight())); |
| 465 |
double wRaster = Math.abs(pEnd.getX() - pInit.getX()); |
| 466 |
double hRaster = Math.abs(pEnd.getY() - pInit.getY()); |
| 467 |
double lrx = (((ext.getULX() - wRaster) > ext.maxX()) || ((ext.getULX() - wRaster) < ext.minX())) ? (ulx + w) : (ulx - w);
|
| 468 |
double lry = (((ext.getULY() - hRaster) > ext.maxY()) || ((ext.getULY() - hRaster) < ext.minY())) ? (uly + h) : (uly - h);
|
| 469 |
|
| 470 |
Extent selectedExtent = new ExtentImpl(ulx, uly, lrx, lry);
|
| 471 |
setView(selectedExtent); |
| 472 |
|
| 473 |
try {
|
| 474 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
| 475 |
rasterBuf.getWidth(), rasterBuf.getHeight(), adjustToExtent, status); |
| 476 |
} catch (GdalException e) {
|
| 477 |
throw new RasterDriverException("Error reading data"); |
| 478 |
} |
| 479 |
|
| 480 |
return rasterBuf;
|
| 481 |
} |
| 482 |
|
| 483 |
/*
|
| 484 |
* (non-Javadoc)
|
| 485 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
|
| 486 |
*/
|
| 487 |
public Buffer getWindow(Extent extent, int bufWidth, int bufHeight, |
| 488 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException { |
| 489 |
//draw method
|
| 490 |
setView(extent); |
| 491 |
|
| 492 |
double width = 0; |
| 493 |
double height = 0; |
| 494 |
|
| 495 |
Point2D ul = new Point2D.Double(viewRequest.getULX(), viewRequest.getULY()); |
| 496 |
Point2D lr = new Point2D.Double(viewRequest.getLRX(), viewRequest.getLRY()); |
| 497 |
ul = worldToRaster(ul); |
| 498 |
lr = worldToRaster(lr); |
| 499 |
ul.setLocation(ul.getX() < 0 ? 1 : ul.getX(), ul.getY() < 0 ? 1 : ul.getY()); |
| 500 |
lr.setLocation(lr.getX() < 0 ? 1 : lr.getX(), lr.getY() < 0 ? 1 : lr.getY()); |
| 501 |
|
| 502 |
ul.setLocation(ul.getX() - 0.5, ul.getY() - 0.5); |
| 503 |
lr.setLocation(lr.getX() - 0.5, lr.getY() - 0.5); |
| 504 |
|
| 505 |
adjustPoints(ul, lr); |
| 506 |
|
| 507 |
width = Math.abs(((int)lr.getX()) - ((int)ul.getX())) + 1; |
| 508 |
height = Math.abs(((int)lr.getY()) - ((int)ul.getY())) + 1; |
| 509 |
|
| 510 |
try {
|
| 511 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
| 512 |
width, height, bufWidth, bufHeight, adjustToExtent, status); |
| 513 |
} catch (GdalException e) {
|
| 514 |
throw new RasterDriverException("Error reading data"); |
| 515 |
} |
| 516 |
|
| 517 |
return rasterBuf;
|
| 518 |
} |
| 519 |
|
| 520 |
|
| 521 |
private void adjustPoints(Point2D ul, Point2D lr) { |
| 522 |
double a = (ul.getX() - (int)ul.getX()); |
| 523 |
double b = (ul.getY() - (int)ul.getY()); |
| 524 |
ul.setLocation( (a > 0.95 || a < 0.05) ? Math.round(ul.getX()) : ul.getX(), |
| 525 |
(b > 0.95 || b < 0.05) ? Math.round(ul.getY()) : ul.getY()); |
| 526 |
lr.setLocation( (a > 0.95 || a < 0.05) ? Math.round(lr.getX()) : lr.getX(), |
| 527 |
(b > 0.95 || b < 0.05) ? Math.round(lr.getY()) : lr.getY()); |
| 528 |
} |
| 529 |
|
| 530 |
/*
|
| 531 |
* (non-Javadoc)
|
| 532 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(int, int, int, int, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
| 533 |
*/
|
| 534 |
public Buffer getWindow(int x, int y, int w, int h, |
| 535 |
BandList bandList, Buffer rasterBuf, TaskStatus status)
|
| 536 |
throws ProcessInterruptedException, RasterDriverException {
|
| 537 |
try {
|
| 538 |
setView( |
| 539 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(),
|
| 540 |
getWidth(), |
| 541 |
getHeight(), |
| 542 |
new Rectangle2D.Double(x, y, w, h))) |
| 543 |
); |
| 544 |
file.readWindow(rasterBuf, bandList, x, y, w, h, status); |
| 545 |
} catch (GdalException e) {
|
| 546 |
throw new RasterDriverException("Error reading data"); |
| 547 |
} |
| 548 |
return rasterBuf;
|
| 549 |
} |
| 550 |
|
| 551 |
/*
|
| 552 |
* (non-Javadoc)
|
| 553 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getBlockSize()
|
| 554 |
*/
|
| 555 |
public int getBlockSize(){ |
| 556 |
if(file != null) |
| 557 |
return file.getBlockSize();
|
| 558 |
else
|
| 559 |
return 0; |
| 560 |
} |
| 561 |
|
| 562 |
/*
|
| 563 |
* (non-Javadoc)
|
| 564 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getMetadata()
|
| 565 |
*/
|
| 566 |
public DataStoreMetadata getMetadata() {
|
| 567 |
if(file != null) |
| 568 |
return file.metadata;
|
| 569 |
else
|
| 570 |
return null; |
| 571 |
} |
| 572 |
|
| 573 |
/*
|
| 574 |
* (non-Javadoc)
|
| 575 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getTransparency()
|
| 576 |
*/
|
| 577 |
public Transparency getTransparency() { |
| 578 |
return file.fileTransparency;
|
| 579 |
} |
| 580 |
|
| 581 |
/*
|
| 582 |
* (non-Javadoc)
|
| 583 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isGeoreferenced()
|
| 584 |
*/
|
| 585 |
public boolean isGeoreferenced() { |
| 586 |
if(file != null) |
| 587 |
return file.georeferenced;
|
| 588 |
else
|
| 589 |
return false; |
| 590 |
} |
| 591 |
|
| 592 |
/**
|
| 593 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
| 594 |
* el valor de esta variable cada vez que dibuja.
|
| 595 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
| 596 |
*/
|
| 597 |
public boolean isSupersampling() { |
| 598 |
if(file != null) |
| 599 |
return file.isSupersampling;
|
| 600 |
else
|
| 601 |
return false; |
| 602 |
} |
| 603 |
|
| 604 |
public GdalNative getNative(){
|
| 605 |
return file;
|
| 606 |
} |
| 607 |
|
| 608 |
/*
|
| 609 |
* (non-Javadoc)
|
| 610 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setAffineTransform(java.awt.geom.AffineTransform)
|
| 611 |
*/
|
| 612 |
public void setAffineTransform(AffineTransform t){ |
| 613 |
super.setAffineTransform(t);
|
| 614 |
file.setExternalTransform(t); |
| 615 |
} |
| 616 |
|
| 617 |
/*
|
| 618 |
* (non-Javadoc)
|
| 619 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getOverviewCount(int)
|
| 620 |
*/
|
| 621 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 622 |
if(band >= getBandCount())
|
| 623 |
throw new BandAccessException("Wrong band"); |
| 624 |
try {
|
| 625 |
return file.getRasterBand(band + 1).getOverviewCount(); |
| 626 |
} catch (GdalException e) {
|
| 627 |
throw new RasterDriverException(""); |
| 628 |
} |
| 629 |
} |
| 630 |
|
| 631 |
/*
|
| 632 |
* (non-Javadoc)
|
| 633 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewWidth(int, int)
|
| 634 |
*/
|
| 635 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
| 636 |
if (band >= getBandCount())
|
| 637 |
throw new BandAccessException("Wrong band"); |
| 638 |
try {
|
| 639 |
if (overview >= file.getRasterBand(band + 1).getOverviewCount()) |
| 640 |
throw new BandAccessException("Wrong overview count"); |
| 641 |
return file.getRasterBand(band + 1).getOverview(overview).getRasterBandXSize(); |
| 642 |
} catch (GdalException e) {
|
| 643 |
throw new RasterDriverException(""); |
| 644 |
} |
| 645 |
} |
| 646 |
|
| 647 |
/*
|
| 648 |
* (non-Javadoc)
|
| 649 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewHeight(int, int)
|
| 650 |
*/
|
| 651 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
| 652 |
if (band >= getBandCount())
|
| 653 |
throw new BandAccessException("Wrong band"); |
| 654 |
try {
|
| 655 |
if (overview >= file.getRasterBand(band + 1).getOverviewCount()) |
| 656 |
throw new BandAccessException("Wrong overview count"); |
| 657 |
return file.getRasterBand(band + 1).getOverview(overview).getRasterBandYSize(); |
| 658 |
} catch (GdalException e) {
|
| 659 |
throw new RasterDriverException(""); |
| 660 |
} |
| 661 |
} |
| 662 |
|
| 663 |
/*
|
| 664 |
* (non-Javadoc)
|
| 665 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isOverviewsSupported()
|
| 666 |
*/
|
| 667 |
public boolean isOverviewsSupported() { |
| 668 |
return true; |
| 669 |
} |
| 670 |
|
| 671 |
/*
|
| 672 |
* (non-Javadoc)
|
| 673 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isReproyectable()
|
| 674 |
*/
|
| 675 |
public boolean isReproyectable() { |
| 676 |
return true; |
| 677 |
} |
| 678 |
|
| 679 |
/*
|
| 680 |
* (non-Javadoc)
|
| 681 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#needEnhanced()
|
| 682 |
*/
|
| 683 |
public boolean needEnhanced() { |
| 684 |
return (getDataType()[0] != Buffer.TYPE_BYTE); |
| 685 |
//Desconozco pq raz?n estaba esta condici?n. Quiz?s haya que volver a a?adirla
|
| 686 |
//Eliminada 30/5/2013
|
| 687 |
//|| (getBandCount() == 1 && getDataType()[0] == Buffer.TYPE_BYTE));
|
| 688 |
} |
| 689 |
|
| 690 |
/*
|
| 691 |
* (non-Javadoc)
|
| 692 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getName()
|
| 693 |
*/
|
| 694 |
public String getName() { |
| 695 |
return NAME;
|
| 696 |
} |
| 697 |
|
| 698 |
/*
|
| 699 |
* (non-Javadoc)
|
| 700 |
* @see org.gvsig.raster.impl.provider.RasterProvider#setStatus(org.gvsig.raster.impl.provider.RasterProvider)
|
| 701 |
*/
|
| 702 |
public void setStatus(RasterProvider provider) { |
| 703 |
if(provider instanceof GdalProvider) { |
| 704 |
//Not implemented yet
|
| 705 |
} |
| 706 |
} |
| 707 |
|
| 708 |
/*
|
| 709 |
* (non-Javadoc)
|
| 710 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getTileServer()
|
| 711 |
*/
|
| 712 |
public TileServer getTileServer() {
|
| 713 |
if(tileServer == null) |
| 714 |
tileServer = new FileTileServer(this); |
| 715 |
return tileServer;
|
| 716 |
} |
| 717 |
|
| 718 |
/*
|
| 719 |
* (non-Javadoc)
|
| 720 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#close()
|
| 721 |
*/
|
| 722 |
public void close() { |
| 723 |
if(file != null){ |
| 724 |
file.dispose(); |
| 725 |
} |
| 726 |
try {
|
| 727 |
finalize(); |
| 728 |
} catch (Throwable e) { |
| 729 |
} |
| 730 |
} |
| 731 |
|
| 732 |
/*
|
| 733 |
* (non-Javadoc)
|
| 734 |
* @see java.lang.Object#finalize()
|
| 735 |
*/
|
| 736 |
protected void finalize() throws Throwable { |
| 737 |
file = null;
|
| 738 |
viewRequest = null;
|
| 739 |
if(formatList != null) { |
| 740 |
for (int i = 0; i < formatList.length; i++) { |
| 741 |
formatList[i] = null;
|
| 742 |
} |
| 743 |
formatList = null;
|
| 744 |
} |
| 745 |
super.finalize();
|
| 746 |
} |
| 747 |
} |