root / branches / v2_0_0_prep / libraries / libRaster / src / org / gvsig / raster / dataset / GeoRasterWriter.java @ 29535
History | View | Annotate | Download (14.1 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2006 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; |
| 20 |
|
| 21 |
import java.awt.geom.AffineTransform; |
| 22 |
import java.io.IOException; |
| 23 |
import java.lang.reflect.Constructor; |
| 24 |
import java.lang.reflect.InvocationTargetException; |
| 25 |
import java.util.ArrayList; |
| 26 |
import java.util.Iterator; |
| 27 |
import java.util.Map; |
| 28 |
import java.util.Set; |
| 29 |
import java.util.TreeMap; |
| 30 |
|
| 31 |
import org.cresques.cts.IProjection; |
| 32 |
import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
| 33 |
import org.gvsig.raster.dataset.serializer.RmfSerializerException; |
| 34 |
import org.gvsig.raster.util.RasterUtilities; |
| 35 |
import org.gvsig.tools.ToolsLocator; |
| 36 |
import org.gvsig.tools.extensionpoint.ExtensionPoint; |
| 37 |
import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
| 38 |
|
| 39 |
import es.gva.cit.jgdal.GdalException; |
| 40 |
import es.gva.cit.jgdal.GdalWarp; |
| 41 |
|
| 42 |
/**
|
| 43 |
* Clase abstracta de la que heredan los drivers de escritura. Tiene los m?todos
|
| 44 |
* abstractos que debe implementar cualquier driver de escritura y las
|
| 45 |
* funcionalidades y opciones soportadas comunes a todos ellos.
|
| 46 |
*
|
| 47 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
| 48 |
*/
|
| 49 |
public abstract class GeoRasterWriter { |
| 50 |
public static final int MODE_FILEWRITE = 1; |
| 51 |
public static final int MODE_DATAWRITE = 2; |
| 52 |
|
| 53 |
public static TreeMap fileFeature = new TreeMap(); |
| 54 |
protected String outFileName = null; |
| 55 |
protected String inFileName = null; |
| 56 |
protected int sizeWindowX = 0; |
| 57 |
protected int sizeWindowY = 0; |
| 58 |
protected int ulX = 0; |
| 59 |
protected int ulY = 0; |
| 60 |
protected IDataWriter dataWriter = null; |
| 61 |
protected int nBands = 0; |
| 62 |
protected String ident = null; |
| 63 |
protected String driver = null; |
| 64 |
protected Params driverParams = null; |
| 65 |
protected AffineTransform at = null; |
| 66 |
protected int percent = 0; |
| 67 |
protected int dataType = IBuffer.TYPE_BYTE; |
| 68 |
protected IProjection proj = null; |
| 69 |
protected DatasetColorInterpretation colorInterp = null; |
| 70 |
protected IExternalCancellable extCancellable = null; |
| 71 |
|
| 72 |
/**
|
| 73 |
* Obtiene la lista de extensiones registradas
|
| 74 |
* @return Lista de extensiones registradas o null si no hay ninguna
|
| 75 |
*/
|
| 76 |
public static String[] getDriversExtensions() { |
| 77 |
ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
| 78 |
ExtensionPoint point = extensionPoints.get("RasterWriter");
|
| 79 |
return (String[])point.getNames().toArray(new String[0]); |
| 80 |
} |
| 81 |
|
| 82 |
/**
|
| 83 |
* Obtiene la lista de extensiones de ficheros sobre los que se puede salvar
|
| 84 |
* en un determinado tipo de datos. Como par?metro de la funci?n se especifica
|
| 85 |
* el tipo de datos sobre el que se desea consultar. Este m?todo consulta para
|
| 86 |
* cada driver registrado que extensiones soportan un tipo.
|
| 87 |
*
|
| 88 |
* @param dataType Tipo de datos
|
| 89 |
* @param bands Numero de bandas
|
| 90 |
* @param reprojectable Especifica si devuelve solo los formatos reproyectables
|
| 91 |
* @return Lista de extensiones registradas que soportan el tipo de datos
|
| 92 |
* pasado por par?metro.
|
| 93 |
* @throws RasterDriverException
|
| 94 |
*/
|
| 95 |
public static ArrayList getExtensionsSupported(int dataType, int bands, boolean reprojectable) throws RasterDriverException { |
| 96 |
ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
| 97 |
ExtensionPoint point = extensionPoints.get("RasterWriter");
|
| 98 |
Iterator iterator = point.iterator();
|
| 99 |
ArrayList result = new ArrayList(); |
| 100 |
while (iterator.hasNext()) {
|
| 101 |
ExtensionPoint.Extension extension = (ExtensionPoint.Extension) iterator |
| 102 |
.next(); |
| 103 |
String ext = extension.getName();
|
| 104 |
Class writerClass = extension.getExtension();
|
| 105 |
Class[] args = { String.class }; |
| 106 |
try {
|
| 107 |
Constructor hazNuevo = writerClass.getConstructor(args);
|
| 108 |
Object[] args2 = { ext }; |
| 109 |
GeoRasterWriter grw = (GeoRasterWriter) hazNuevo.newInstance(args2); |
| 110 |
if (grw.isSupportedThisExtension(ext, dataType, bands))
|
| 111 |
if (reprojectable) {
|
| 112 |
if (GdalWarp.getDrivers().contains(grw.getDriverName()))
|
| 113 |
result.add(ext); |
| 114 |
} else
|
| 115 |
result.add(ext); |
| 116 |
} catch (SecurityException e) { |
| 117 |
throw new RasterDriverException("Error SecurityException in open"); |
| 118 |
} catch (NoSuchMethodException e) { |
| 119 |
throw new RasterDriverException("Error NoSuchMethodException in open"); |
| 120 |
} catch (IllegalArgumentException e) { |
| 121 |
throw new RasterDriverException("Error IllegalArgumentException in open"); |
| 122 |
} catch (InstantiationException e) { |
| 123 |
throw new RasterDriverException("Error InstantiationException in open"); |
| 124 |
} catch (IllegalAccessException e) { |
| 125 |
throw new RasterDriverException("Error IllegalAccessException in open"); |
| 126 |
} catch (InvocationTargetException e) { |
| 127 |
throw new RasterDriverException("Error in open"); |
| 128 |
} |
| 129 |
} |
| 130 |
return result;
|
| 131 |
} |
| 132 |
|
| 133 |
/**
|
| 134 |
* Obtiene la lista de tipos de driver
|
| 135 |
* @return Lista de tipos de driver registradas o null si no hay ninguno
|
| 136 |
*/
|
| 137 |
public static String[] getDriversType() { |
| 138 |
if (fileFeature.size() == 0) |
| 139 |
return null; |
| 140 |
String[] list = new String[fileFeature.size()]; |
| 141 |
Set values = fileFeature.entrySet();
|
| 142 |
int i = 0; |
| 143 |
for (Iterator it = values.iterator(); it.hasNext();) { |
| 144 |
list[i] = ((WriteFileFormatFeatures) ((Map.Entry) it.next()).getValue()).getDriverName();
|
| 145 |
i++; |
| 146 |
} |
| 147 |
|
| 148 |
return list;
|
| 149 |
} |
| 150 |
|
| 151 |
/**
|
| 152 |
* Obtiene el tipo de driver a partir de la extensi?n
|
| 153 |
* @param ext Extensi?n
|
| 154 |
* @return Tipo
|
| 155 |
*/
|
| 156 |
public static String getDriverType(String ext) { |
| 157 |
return ((WriteFileFormatFeatures) fileFeature.get(ext)).getDriverName();
|
| 158 |
} |
| 159 |
|
| 160 |
/**
|
| 161 |
* Devuelve el n?mero de drivers soportados
|
| 162 |
* @return N?mero de drivers soportados
|
| 163 |
*/
|
| 164 |
public static int getNDrivers() { |
| 165 |
ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
| 166 |
ExtensionPoint point = extensionPoints.get("RasterWriter");
|
| 167 |
return point.getCount();
|
| 168 |
} |
| 169 |
|
| 170 |
/**
|
| 171 |
* Devuelve el n?mero de tipos de driver registrados
|
| 172 |
* @return N?mero de tipos de driver soportados
|
| 173 |
*/
|
| 174 |
public static int getNTypes() { |
| 175 |
return fileFeature.size();
|
| 176 |
} |
| 177 |
|
| 178 |
/**
|
| 179 |
* Devuelve el identificador del driver
|
| 180 |
* @return Identificador del driver
|
| 181 |
*/
|
| 182 |
public String getIdent() { |
| 183 |
return ident;
|
| 184 |
} |
| 185 |
|
| 186 |
/**
|
| 187 |
* Obtiene el nombre del driver.
|
| 188 |
* @return Nombre del driver
|
| 189 |
*/
|
| 190 |
public String getDriverName() { |
| 191 |
return driver;
|
| 192 |
} |
| 193 |
|
| 194 |
/**
|
| 195 |
* @return
|
| 196 |
*/
|
| 197 |
public String getDriverType() { |
| 198 |
return driver;
|
| 199 |
} |
| 200 |
|
| 201 |
/**
|
| 202 |
* Asigna el porcentaje de incremento. Esto es usado por el driver para
|
| 203 |
* actualizar la variable percent
|
| 204 |
* @param percent
|
| 205 |
*/
|
| 206 |
public void setPercent(int percent) { |
| 207 |
this.percent = percent;
|
| 208 |
} |
| 209 |
|
| 210 |
/**
|
| 211 |
* Porcentaje de escritura completado.
|
| 212 |
* @return Entero con el porcentaje de escritura.
|
| 213 |
*/
|
| 214 |
public int getPercent() { |
| 215 |
return percent;
|
| 216 |
} |
| 217 |
|
| 218 |
/**
|
| 219 |
* Factoria para obtener escritores de los distintos tipos de raster.
|
| 220 |
* @param fName Nombre del fichero.
|
| 221 |
* @return GeoRasterWriter, o null si hay problemas.
|
| 222 |
*/
|
| 223 |
public static GeoRasterWriter getWriter(String fName) throws NotSupportedExtensionException, RasterDriverException { |
| 224 |
String ext = RasterUtilities.getExtensionFromFileName(fName);
|
| 225 |
GeoRasterWriter grw = null;
|
| 226 |
ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
| 227 |
ExtensionPoint point = extensionPoints.get("RasterWriter");
|
| 228 |
// ExtensionPoint extensionPoint = ExtensionPoint.getExtensionPoint("RasterWriter");
|
| 229 |
|
| 230 |
if (!point.has(ext))
|
| 231 |
return grw;
|
| 232 |
|
| 233 |
Class clase = point.get(ext).getExtension();
|
| 234 |
Class[] args = { String.class }; |
| 235 |
try {
|
| 236 |
Constructor hazNuevo = clase.getConstructor(args);
|
| 237 |
Object[] args2 = { fName }; |
| 238 |
grw = (GeoRasterWriter) hazNuevo.newInstance(args2); |
| 239 |
} catch (SecurityException e) { |
| 240 |
throw new RasterDriverException("Error SecurityException in open"); |
| 241 |
} catch (NoSuchMethodException e) { |
| 242 |
throw new RasterDriverException("Error NoSuchMethodException in open"); |
| 243 |
} catch (IllegalArgumentException e) { |
| 244 |
throw new RasterDriverException("Error IllegalArgumentException in open"); |
| 245 |
} catch (InstantiationException e) { |
| 246 |
throw new RasterDriverException("Error InstantiationException in open"); |
| 247 |
} catch (IllegalAccessException e) { |
| 248 |
throw new RasterDriverException("Error IllegalAccessException in open"); |
| 249 |
} catch (InvocationTargetException e) { |
| 250 |
throw new NotSupportedExtensionException("Error in open"); |
| 251 |
} |
| 252 |
return grw;
|
| 253 |
} |
| 254 |
|
| 255 |
/**
|
| 256 |
* Factoria para obtener escritores de los distintos tipos de raster.
|
| 257 |
*
|
| 258 |
* @param fName Nombre del fichero.
|
| 259 |
* @return GeoRasterWriter, o null si hay problemas.
|
| 260 |
*/
|
| 261 |
public static GeoRasterWriter getWriter(IDataWriter dataWriter, |
| 262 |
String outFileName,
|
| 263 |
int nBands,
|
| 264 |
AffineTransform at,
|
| 265 |
int outSizeX,
|
| 266 |
int outSizeY,
|
| 267 |
int dataType,
|
| 268 |
Params params, |
| 269 |
IProjection proj) throws NotSupportedExtensionException, RasterDriverException {
|
| 270 |
return GeoRasterWriter.getWriter(dataWriter, outFileName, nBands, at, outSizeX, outSizeY, dataType, params, proj, true); |
| 271 |
} |
| 272 |
|
| 273 |
/**
|
| 274 |
* Factoria para obtener escritores de los distintos tipos de raster.
|
| 275 |
*
|
| 276 |
* @param fName Nombre del fichero.
|
| 277 |
* @return GeoRasterWriter, o null si hay problemas.
|
| 278 |
*/
|
| 279 |
public static GeoRasterWriter getWriter(IDataWriter dataWriter, |
| 280 |
String outFileName,
|
| 281 |
int nBands,
|
| 282 |
AffineTransform at,
|
| 283 |
int outSizeX,
|
| 284 |
int outSizeY,
|
| 285 |
int dataType,
|
| 286 |
Params params, |
| 287 |
IProjection proj, |
| 288 |
boolean geo) throws NotSupportedExtensionException, RasterDriverException { |
| 289 |
String ext = outFileName.toLowerCase().substring(outFileName.lastIndexOf('.') + 1); |
| 290 |
GeoRasterWriter grw = null;
|
| 291 |
ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager(); |
| 292 |
ExtensionPoint point=extensionPoints.get("RasterWriter");
|
| 293 |
// ExtensionPoint extensionPoint = ExtensionPoint.getExtensionPoint("RasterWriter");
|
| 294 |
|
| 295 |
if (!point.has(ext))
|
| 296 |
return grw;
|
| 297 |
|
| 298 |
Class clase = point.get(ext).getExtension();
|
| 299 |
Class[] args = { IDataWriter.class, String.class, Integer.class, AffineTransform.class, Integer.class, Integer.class, Integer.class, Params.class, IProjection.class, Boolean.class }; |
| 300 |
try {
|
| 301 |
Constructor hazNuevo = clase.getConstructor(args);
|
| 302 |
Object [] args2 = {dataWriter, outFileName, new Integer(nBands), at, |
| 303 |
new Integer(outSizeX), new Integer(outSizeY), new Integer(dataType), |
| 304 |
params, proj, new Boolean(geo)}; |
| 305 |
grw = (GeoRasterWriter) hazNuevo.newInstance(args2); |
| 306 |
} catch (SecurityException e) { |
| 307 |
throw new RasterDriverException("Error SecurityException in open"); |
| 308 |
} catch (NoSuchMethodException e) { |
| 309 |
throw new RasterDriverException("Error NoSuchMethodException in open"); |
| 310 |
} catch (IllegalArgumentException e) { |
| 311 |
throw new RasterDriverException("Error IllegalArgumentException in open"); |
| 312 |
} catch (InstantiationException e) { |
| 313 |
throw new RasterDriverException("Error InstantiationException in open"); |
| 314 |
} catch (IllegalAccessException e) { |
| 315 |
throw new RasterDriverException("Error IllegalAccessException in open"); |
| 316 |
} catch (InvocationTargetException e) { |
| 317 |
throw new NotSupportedExtensionException("Error in open. Problemas con las librer?as nativas."); |
| 318 |
} |
| 319 |
return grw;
|
| 320 |
} |
| 321 |
|
| 322 |
/**
|
| 323 |
* Obtiene los par?metros del driver.
|
| 324 |
* @return WriterParams
|
| 325 |
*/
|
| 326 |
public Params getParams() {
|
| 327 |
return driverParams;
|
| 328 |
} |
| 329 |
|
| 330 |
/**
|
| 331 |
* Asigna los par?metros del driver modificados por el cliente.
|
| 332 |
* @param Params
|
| 333 |
*/
|
| 334 |
public void setParams(Params params) { |
| 335 |
this.driverParams = params;
|
| 336 |
} |
| 337 |
|
| 338 |
/**
|
| 339 |
* Realiza la funci?n de compresi?n a partir de un GeoRasterFile.
|
| 340 |
* @throws IOException
|
| 341 |
*/
|
| 342 |
public abstract void fileWrite() throws IOException, InterruptedException; |
| 343 |
|
| 344 |
/**
|
| 345 |
* Realiza la funci?n de compresi?n a partir de los datos pasados por el
|
| 346 |
* cliente.
|
| 347 |
* @throws IOException
|
| 348 |
* @throws RmfSerializerException
|
| 349 |
*/
|
| 350 |
public abstract void dataWrite() throws IOException, InterruptedException; |
| 351 |
|
| 352 |
/**
|
| 353 |
* Cierra el driver
|
| 354 |
*/
|
| 355 |
public abstract void writeClose(); |
| 356 |
|
| 357 |
/**
|
| 358 |
* Cancela el grabado de datos
|
| 359 |
*/
|
| 360 |
public abstract void writeCancel(); |
| 361 |
|
| 362 |
/**
|
| 363 |
* A?ade la proyecci?n Wkt con la que salvar.
|
| 364 |
* @param wkt
|
| 365 |
* @throws GdalException
|
| 366 |
*/
|
| 367 |
public abstract void setWkt(String wkt); |
| 368 |
|
| 369 |
/**
|
| 370 |
* Asigna la interpretaci?n de color para el fichero de salida.
|
| 371 |
* @param colorInterp Interpretaci?n de color
|
| 372 |
*/
|
| 373 |
public void setColorBandsInterpretation(String[] colorInterp) { |
| 374 |
if (colorInterp != null) { |
| 375 |
this.colorInterp = new DatasetColorInterpretation(); |
| 376 |
this.colorInterp.initColorInterpretation(colorInterp.length);
|
| 377 |
for (int i = 0; i < colorInterp.length; i++) |
| 378 |
this.colorInterp.setColorInterpValue(i, colorInterp[i]);
|
| 379 |
} |
| 380 |
} |
| 381 |
|
| 382 |
/**
|
| 383 |
* M?todo que pregunta si la extensi?n pasada por par?metro est? soportada con
|
| 384 |
* el tipo y n?mero de bandas indicadas.
|
| 385 |
*
|
| 386 |
* @param dataType Tipo de dato
|
| 387 |
* @param bands N?mero de bandas
|
| 388 |
* @param extensi?n
|
| 389 |
* @return true si est? soportada y false si no lo est?
|
| 390 |
*/
|
| 391 |
public boolean isSupportedThisExtension(String ext, int dataType, int bands) { |
| 392 |
WriteFileFormatFeatures features = (WriteFileFormatFeatures) fileFeature.get(ext); |
| 393 |
if (features == null) |
| 394 |
return false; |
| 395 |
int[] bandsSupported = features.getNBandsSupported(); |
| 396 |
for (int i = 0; i < bandsSupported.length; i++) { |
| 397 |
if (bandsSupported[i] == -1) |
| 398 |
break;
|
| 399 |
if (bandsSupported[i] >= bands)
|
| 400 |
break;
|
| 401 |
return false; |
| 402 |
} |
| 403 |
int[] dt = features.getDataTypesSupported(); |
| 404 |
for (int i = 0; i < dt.length; i++) |
| 405 |
if (dataType == dt[i])
|
| 406 |
return true; |
| 407 |
return false; |
| 408 |
} |
| 409 |
|
| 410 |
/**
|
| 411 |
* Assigns the object to be cancelled
|
| 412 |
*
|
| 413 |
* @param cancellable
|
| 414 |
*/
|
| 415 |
public void setCancellableRasterDriver(IExternalCancellable cancellable) { |
| 416 |
this.extCancellable = cancellable;
|
| 417 |
} |
| 418 |
} |