root / tags / Root_v061 / libraries / libCq CMS for java.old / src / org / cresques / io / GdalWriter.java @ 4812
History | View | Annotate | Download (29.1 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.io.BufferedOutputStream; |
27 |
import java.io.DataOutputStream; |
28 |
import java.io.File; |
29 |
import java.io.FileOutputStream; |
30 |
import java.io.IOException; |
31 |
|
32 |
import org.cresques.cts.IProjection; |
33 |
import org.cresques.px.PxRaster; |
34 |
|
35 |
import es.gva.cit.jecwcompress.EcwException; |
36 |
import es.gva.cit.jgdal.Gdal; |
37 |
import es.gva.cit.jgdal.GdalBuffer; |
38 |
import es.gva.cit.jgdal.GdalDriver; |
39 |
import es.gva.cit.jgdal.GdalException; |
40 |
import es.gva.cit.jgdal.GdalRasterBand; |
41 |
import es.gva.cit.jgdal.GeoTransform; |
42 |
import es.gva.cit.jogr.OGRSpatialReference; |
43 |
|
44 |
|
45 |
/**
|
46 |
* Driver para la escritura a trav?s de Gdal.
|
47 |
* Puede exportar un fichero de un formato a otro desde un GeoRasterFile
|
48 |
* en cualquier formato soportado por la lectura a un formato que este incluido
|
49 |
* en la lista supportedDrv.
|
50 |
*
|
51 |
* Puede salvar a disco en un formato que este incluido en la lista supportedDrv
|
52 |
* obteniendo los datos que van siendo servidos desde el cliente. Este cliente
|
53 |
* debe implementar un IDataWriter o tener un objeto que lo implemente. Inicialmente
|
54 |
* le pasar? los par?metros de la imagen de salida y cuando el driver comience a
|
55 |
* escribir le ir? solicitando m?s a trav?s del m?todo readData de IDataWriter.
|
56 |
* El cliente ser? el que lleve el control de lo que va sirviendo y lo que le queda
|
57 |
* por servir.
|
58 |
* @author Nacho Brodin (brodin_ign@gva.es)
|
59 |
*/
|
60 |
public class GdalWriter extends GeoRasterWriter { |
61 |
static {
|
62 |
GeoRasterWriter.registerWriterExtension("tif", GdalWriter.class);
|
63 |
GeoRasterWriter.registerWriterExtension("jpg", GdalWriter.class);
|
64 |
GeoRasterWriter.registerWriterExtension("jpeg", GdalWriter.class);
|
65 |
} |
66 |
|
67 |
public final int windowSizeX = 386; |
68 |
public final int windowSizeY = 195; |
69 |
public final int panelSizeX = 350; |
70 |
public final int panelSizeY = 105; |
71 |
public final String panelLayout = "BorderLayout"; |
72 |
private GdalDriver drv;
|
73 |
private Gdal dset_destino = null; |
74 |
private GdalRasterBand rband = null; |
75 |
private String drvType = null; //Tipo de driver |
76 |
private String[] supportedDrv = { "GTiff", "JPEG" }; //Lista de drivers de escritura que soporta |
77 |
private GeoTransform geot = null; //Datos de georeferenciaci?n |
78 |
private OGRSpatialReference oSRS; //Datos de proyecci?n |
79 |
private GdalBuffer buf = null; //Buffer de origen de gdal |
80 |
private GdalBuffer bufBandR = null; |
81 |
private GdalBuffer bufBandG = null; |
82 |
private GdalBuffer bufBandB = null; |
83 |
private int nBlocks = 0; //N?mero de bloques en Y en el que se divide la imagen para escribir |
84 |
private int anchoResto = 0; //Tama?o del ?ltimo bloque de la imagen. |
85 |
private String[] params = null; //Par?metros de creaci?n del dataset. |
86 |
private GdalSupportOptions support = null; |
87 |
private boolean consulta = false; |
88 |
|
89 |
/**
|
90 |
* Constructor para la obtenci?n de par?metros del driver
|
91 |
* @param drvType Tipo de driver
|
92 |
*/
|
93 |
public GdalWriter(String drvType) { |
94 |
this.support = new GdalSupportOptions(drvType); |
95 |
this.ident = this.drvType = drvType; |
96 |
if(drvType.equals("GTiff")) |
97 |
this.driver = "tif"; |
98 |
else if(drvType.equals("JPEG")) |
99 |
this.driver = "jpg"; |
100 |
this.support.setBlockSize(64); |
101 |
this.support.setPhotometric("RGB"); |
102 |
this.support.setInterleave("BAND"); |
103 |
this.support.setCompress("NONE"); |
104 |
this.support.setWriteGeoref(true); |
105 |
this.support.setTfw(false); |
106 |
|
107 |
this.consulta = true; |
108 |
} |
109 |
|
110 |
/**
|
111 |
* Constructor para salvar una sola imagen completa
|
112 |
* @param raster PxRaster de la imagen de origen
|
113 |
* @param outfilename Nombre del fichero de salida
|
114 |
* @param infilename Nombre del fichero de entrada
|
115 |
* @param drvType Tipo de driver
|
116 |
*/
|
117 |
public GdalWriter(PxRaster raster, String outfilename, String infilename, |
118 |
String drvType) throws GdalException, IOException { |
119 |
this.support = new GdalSupportOptions(drvType); |
120 |
this.ident = this.drvType = drvType; |
121 |
if(drvType.equals("GTiff")) |
122 |
this.driver = "tif"; |
123 |
else if(drvType.equals("JPEG")) |
124 |
this.driver = "jpg"; |
125 |
|
126 |
this.outfilename = outfilename;
|
127 |
this.infilename = infilename;
|
128 |
this.currentRaster = raster;
|
129 |
|
130 |
this.sizeWindowX = raster.getFWidth();
|
131 |
this.sizeWindowY = raster.getFHeight();
|
132 |
|
133 |
//Obtenemos la georeferenciaci?n
|
134 |
if (support.getGeoref()) {
|
135 |
double maxX = currentRaster.getExtent().maxX();
|
136 |
double minX = currentRaster.getExtent().minX();
|
137 |
double maxY = currentRaster.getExtent().maxY();
|
138 |
double minY = currentRaster.getExtent().minY();
|
139 |
|
140 |
// System.out.println("Extent->"+maxX+" "+minX+" "+maxY+" "+minY);
|
141 |
geot = new GeoTransform();
|
142 |
geot.adfgeotransform[0] = minX;
|
143 |
geot.adfgeotransform[3] = maxY;
|
144 |
geot.adfgeotransform[1] = (maxX - minX) / currentRaster.getFWidth();
|
145 |
geot.adfgeotransform[5] = (minY - maxY) / currentRaster.getFHeight();
|
146 |
} |
147 |
|
148 |
nBands = currentRaster.getBandCount(); |
149 |
|
150 |
this.support.setBlockSize(64/*currentRaster.getBlockSize()*/); |
151 |
|
152 |
if ((sizeWindowX < 0) || (sizeWindowY < 0)) { |
153 |
throw new IOException("Tama?o del fichero de salida erroneo."); |
154 |
} |
155 |
|
156 |
if (nBands == 3) { |
157 |
this.support.setPhotometric("PHOTOMETRIC=RGB"); |
158 |
} else if (nBands == 1) { |
159 |
this.support.setPhotometric("PHOTOMETRIC=MINISBLACK"); |
160 |
} else {
|
161 |
this.support.setPhotometric(""); |
162 |
} |
163 |
|
164 |
params = new String[2]; |
165 |
params[0] = new String("TILED=YES"); |
166 |
params[1] = new String(this.support.getPhotometric()); |
167 |
|
168 |
init(); |
169 |
|
170 |
/*oSRS = new OGRSpatialReference();
|
171 |
try{
|
172 |
oSRS.setUTM(currentRaster.geoFile.getUTM(), currentRaster.geoFile.getZone());
|
173 |
oSRS.setWellKnownGeogCS(currentRaster.geoFile.getGeogCS());
|
174 |
//System.out.println(currentRaster.geoFile.getGeogCS()+"Nueva Proyecci?n ==> "+oSRS.exportToWkt());
|
175 |
dset_destino.setProjection(oSRS.exportToWkt());
|
176 |
}catch(Exception e){
|
177 |
e.printStackTrace();
|
178 |
}*/
|
179 |
} |
180 |
|
181 |
/**
|
182 |
* Constructor para salvar datos servidos por el cliente
|
183 |
* @param dataWriter Objeto servidor de datos para el driver de escritura
|
184 |
* @param outSizeX N?mero de pixels en X de la imagen de salida
|
185 |
* @param outSizeY N?mero de pixels en Y de la imagen de salida
|
186 |
* @param outFilename Fichero de salida
|
187 |
* @param extentMaxX Posici?n en X m?xima del extent
|
188 |
* @param extentMinX Posici?n en X m?nima del extent
|
189 |
* @param extentMaxY Posici?n en Y m?xima del extent
|
190 |
* @param extentMinY Posici?n en Y m?nima del extent
|
191 |
* @param nBands N?mero de bandas
|
192 |
* @param drvType Tipo de driver
|
193 |
* @throws GdalException
|
194 |
* @throws IOException
|
195 |
*/
|
196 |
public GdalWriter(IDataWriter dataWriter, int outSizeX, int outSizeY, |
197 |
String outFilename, double extentMaxX, double extentMinX, |
198 |
double extentMaxY, double extentMinY, int nBands, |
199 |
int sizeBlock, String drvType) |
200 |
throws GdalException, IOException { |
201 |
this.support = new GdalSupportOptions(drvType); |
202 |
this.ident = this.drvType = drvType; |
203 |
if(drvType.equals("GTiff")) |
204 |
this.driver = "tif"; |
205 |
else if(drvType.equals("JPEG")) |
206 |
this.driver = "jpg"; |
207 |
|
208 |
this.dataWriter = dataWriter;
|
209 |
this.outfilename = outFilename;
|
210 |
|
211 |
this.sizeWindowX = outSizeX;
|
212 |
this.sizeWindowY = outSizeY;
|
213 |
|
214 |
if ((sizeWindowX < 0) || (sizeWindowY < 0)) { |
215 |
throw new IOException("Tama?o del fichero de salida erroneo."); |
216 |
} |
217 |
|
218 |
this.nBands = nBands;
|
219 |
|
220 |
//Calculamos la georeferenciaci?n a partir del extend pasado por el cliente.
|
221 |
if (support.getGeoref()) {
|
222 |
double maxX = extentMaxX;
|
223 |
double minX = extentMinX;
|
224 |
double maxY = extentMaxY;
|
225 |
double minY = extentMinY;
|
226 |
|
227 |
this.support.setBlockSize(sizeBlock);
|
228 |
|
229 |
/*System.out.println("----Extent->"+maxX+" "+minX+" "+maxY+" "+minY);
|
230 |
|
231 |
double pixelSizeX = (double)((maxX-minX)/outSizeX);
|
232 |
int indexPoint = String.valueOf(pixelSizeX).indexOf('.');
|
233 |
pixelSizeX = Double.parseDouble(String.valueOf(pixelSizeX).substring(0,indexPoint+3));
|
234 |
double pixelSizeY = (double)((minY-maxY)/outSizeY);
|
235 |
indexPoint = String.valueOf(pixelSizeY).indexOf('.');
|
236 |
pixelSizeY = Double.parseDouble(String.valueOf(pixelSizeY).substring(0,indexPoint+3));
|
237 |
|
238 |
System.out.println("----PixelSize->"+pixelSizeX+" "+pixelSizeY);*/
|
239 |
geot = new GeoTransform();
|
240 |
geot.adfgeotransform[0] = minX;
|
241 |
geot.adfgeotransform[3] = maxY; //-((pixelSizeY * outSizeY)-minY); |
242 |
geot.adfgeotransform[1] = (double) ((maxX - minX) / outSizeX); //pixelSizeX; |
243 |
geot.adfgeotransform[5] = (double) ((minY - maxY) / outSizeY); //pixelSizeY; |
244 |
|
245 |
//System.out.println("----adfGeo->"+geot.adfgeotransform[0]+" "+geot.adfgeotransform[3]+" "+geot.adfgeotransform[1]+" "+geot.adfgeotransform[5]);
|
246 |
} |
247 |
|
248 |
setParams(); |
249 |
|
250 |
init(); |
251 |
} |
252 |
|
253 |
/**
|
254 |
*Asigna par?metros de creaci?n del dataset de Gdal
|
255 |
*/
|
256 |
private void setParams() { |
257 |
params = new String[5]; |
258 |
|
259 |
params[0] = new String("TILED=YES"); |
260 |
params[1] = new String("PHOTOMETRIC=" + this.support.getPhotometric()); |
261 |
params[2] = new String("INTERLEAVE=" + this.support.getInterleave()); |
262 |
params[3] = new String("COMPRESS=" + this.support.getCompress()); |
263 |
|
264 |
String tfw = null; |
265 |
|
266 |
if (this.support.getTfw()) { |
267 |
tfw = new String("YES"); |
268 |
} else {
|
269 |
tfw = new String("NO"); |
270 |
} |
271 |
|
272 |
params[4] = new String("TFW=" + tfw); |
273 |
} |
274 |
|
275 |
/**
|
276 |
* Asigna el tipo de driver con el que se salvar? la imagen
|
277 |
* @param drvType Tipo de driver
|
278 |
*/
|
279 |
public void setDriverType(String drvType) { |
280 |
this.drvType = drvType;
|
281 |
} |
282 |
|
283 |
/**
|
284 |
* Creaci?n del dataset de destino.
|
285 |
* @throws EcwException
|
286 |
*/
|
287 |
private void init() throws GdalException { |
288 |
//Controlamos que el tipo de driver sea correcto
|
289 |
if (drvType == null) { |
290 |
throw new GdalException("Tipo de driver sin especificar."); |
291 |
} |
292 |
|
293 |
boolean okdrvtype = false; |
294 |
|
295 |
for (int i = 0; i < supportedDrv.length; i++) |
296 |
if (drvType.equals(supportedDrv[i])) {
|
297 |
okdrvtype = true;
|
298 |
} |
299 |
|
300 |
if (okdrvtype == false) { |
301 |
throw new GdalException("El tipo de driver "+drvType+" no est? soportado por GdalWriter."); |
302 |
} |
303 |
|
304 |
//Obtenemos el driver y creamos el dataset del destino
|
305 |
drv = Gdal.getDriverByName(drvType); |
306 |
|
307 |
/*try{
|
308 |
drv = Gdal.getDriverByName("JPEG");
|
309 |
Gdal src = new Gdal();
|
310 |
src.open("/home/nacho/imagenes/q101866.tif", 0);
|
311 |
drv.createCopy( "/home/nacho/outgvGIG.jpg", src, false );
|
312 |
}catch(IOException e){}
|
313 |
return;*/
|
314 |
|
315 |
//System.out.println("++++++>"+params.length);
|
316 |
//for(int i=0;i<params.length;i++)System.out.println("=====>"+params[i]);
|
317 |
|
318 |
if (dset_destino != null) { |
319 |
dset_destino.close(); |
320 |
dset_destino = null;
|
321 |
} |
322 |
|
323 |
dset_destino = drv.create(outfilename, sizeWindowX, sizeWindowY, |
324 |
nBands, Gdal.GDT_Byte, params); |
325 |
|
326 |
if (this.support.getGeoref()) { |
327 |
dset_destino.setGeoTransform(geot); |
328 |
} |
329 |
|
330 |
nBlocks = (int) (sizeWindowY / this.support.getBlockSize()); |
331 |
anchoResto = sizeWindowY - (nBlocks * this.support.getBlockSize());
|
332 |
|
333 |
//System.out.println("---"+nBlocks+" "+sizeBlock+" "+anchoResto);
|
334 |
} |
335 |
|
336 |
/**
|
337 |
* A partir de un elemento que contiene una propiedad y un valor
|
338 |
* lo parsea y asigna el valor a su variable.
|
339 |
* @param propValue elemento con la forma propiedad=valor
|
340 |
*/
|
341 |
private void readProperty(String propValue) { |
342 |
String prop = propValue.substring(0, propValue.indexOf("=")); |
343 |
|
344 |
if (propValue.startsWith(prop)) {
|
345 |
String value = propValue.substring(propValue.indexOf("=") + 1, |
346 |
propValue.length()); |
347 |
|
348 |
if ((value != null) && !value.equals("")) { |
349 |
if (prop.equals("BLOCKSIZE")) { |
350 |
this.support.setBlockSize(Integer.parseInt(value)); |
351 |
} |
352 |
|
353 |
if (prop.equals("GEOREF")) { |
354 |
boolean georef = true; |
355 |
|
356 |
if (value.equals("yes")) { |
357 |
georef = true;
|
358 |
} else {
|
359 |
georef = false;
|
360 |
} |
361 |
|
362 |
this.support.setWriteGeoref(georef);
|
363 |
} |
364 |
|
365 |
if (prop.equals("INTERLEAVE")) { |
366 |
this.support.setInterleave(value);
|
367 |
} |
368 |
|
369 |
if (prop.equals("PHOTOMETRIC")) { |
370 |
this.support.setPhotometric(value);
|
371 |
} |
372 |
|
373 |
if (prop.equals("COMPRESS")) { |
374 |
this.support.setCompress(value);
|
375 |
} |
376 |
|
377 |
if (prop.equals("TFW")) { |
378 |
boolean tfw = true; |
379 |
|
380 |
if (value.equals("yes")) { |
381 |
tfw = true;
|
382 |
} else {
|
383 |
tfw = false;
|
384 |
} |
385 |
|
386 |
this.support.setTfw(tfw);
|
387 |
} |
388 |
} |
389 |
} |
390 |
} |
391 |
|
392 |
/**
|
393 |
* Asigna propiedades al driver a partir de un vector de
|
394 |
* strings donde cada elemento tiene la estructura de
|
395 |
* propiedad=valor.
|
396 |
* @param props Propiedades
|
397 |
*/
|
398 |
public void setProps(String[] props) { |
399 |
for (int iProps = 0; iProps < props.length; iProps++) |
400 |
readProperty(props[iProps]); |
401 |
|
402 |
setParams(); |
403 |
|
404 |
try {
|
405 |
if (!consulta) {
|
406 |
init(); |
407 |
} |
408 |
} catch (GdalException e) {
|
409 |
e.printStackTrace(); |
410 |
} |
411 |
} |
412 |
|
413 |
/**
|
414 |
* Escribe tres bandas en el GDALRasterBand desde el IDataWriter con una
|
415 |
* altura definida por sizeY.
|
416 |
* @param buftmp Buffer
|
417 |
* @param sizeY Altura en pixels del bloque leido
|
418 |
* @param posicionY Posici?n y a partir de la cual se escribe en el GDALRasterBand destino
|
419 |
*/
|
420 |
private void writeBands(int[] buftmp, int sizeY, int posicionY) { |
421 |
//leemos el bloque origen
|
422 |
buftmp = dataWriter.readData(sizeWindowX, sizeY, 0);
|
423 |
|
424 |
bufBandR.buffByte = new byte[buftmp.length]; |
425 |
bufBandG.buffByte = new byte[buftmp.length]; |
426 |
bufBandB.buffByte = new byte[buftmp.length]; |
427 |
|
428 |
//Escribimos el bloque destino
|
429 |
for (int i = 0; i < buftmp.length; i++) { |
430 |
bufBandR.buffByte[i] = (byte) (((buftmp[i] & 0xff0000) >> 16) & |
431 |
0xff);
|
432 |
bufBandG.buffByte[i] = (byte) (((buftmp[i] & 0xff00) >> 8) & 0xff); |
433 |
bufBandB.buffByte[i] = (byte) ((buftmp[i] & 0xff) & 0xff); |
434 |
|
435 |
//if(i==0 || i==1 || i==2)System.out.println("<**>"+buftmp[i]+" + "+bufBandR.buffByte[i]+" - "+bufBandG.buffByte[i]+" - "+bufBandB.buffByte[i]);
|
436 |
} |
437 |
|
438 |
try {
|
439 |
rband = dset_destino.getRasterBand(1);
|
440 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBandR,
|
441 |
Gdal.GDT_Byte); |
442 |
rband = dset_destino.getRasterBand(2);
|
443 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBandG,
|
444 |
Gdal.GDT_Byte); |
445 |
rband = dset_destino.getRasterBand(3);
|
446 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBandB,
|
447 |
Gdal.GDT_Byte); |
448 |
} catch (GdalException e) {
|
449 |
e.printStackTrace(); |
450 |
} |
451 |
} |
452 |
|
453 |
/**
|
454 |
* Funci?n que gestiona la lectura desde el origen y la escritura
|
455 |
* de Gdal sobre el fichero destino.
|
456 |
* @param mode Modo de escritura
|
457 |
* @throws IOException
|
458 |
*/
|
459 |
private void write(int mode) throws IOException { |
460 |
buf = new GdalBuffer();
|
461 |
bufBandR = new GdalBuffer();
|
462 |
bufBandG = new GdalBuffer();
|
463 |
bufBandB = new GdalBuffer();
|
464 |
|
465 |
int[] buftmp = null; |
466 |
|
467 |
//long t1 = System.currentTimeMillis();
|
468 |
try {
|
469 |
if (mode == Mode.fileWrite) {
|
470 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
471 |
rband = dset_destino.getRasterBand(iBand + 1);
|
472 |
|
473 |
for (int iBlock = 0; iBlock < nBlocks; iBlock++) { |
474 |
//leemos el bloque origen
|
475 |
buf.buffByte = currentRaster.getGeoFile().getWindow(0,
|
476 |
iBlock * this.support.getBlockSize(),
|
477 |
sizeWindowX, |
478 |
this.support.getBlockSize(),
|
479 |
iBand + |
480 |
1);
|
481 |
|
482 |
//Escribimos el bloque destino
|
483 |
rband.writeRaster(0,
|
484 |
iBlock * this.support.getBlockSize(),
|
485 |
sizeWindowX, |
486 |
this.support.getBlockSize(), buf,
|
487 |
Gdal.GDT_Byte); |
488 |
} |
489 |
} |
490 |
} else if (mode == Mode.dataWrite) { |
491 |
//for(int iBlock=1;iBlock<=nBlocks;iBlock++){
|
492 |
for (int iBlock = 0; iBlock < nBlocks; iBlock++) { |
493 |
int posicionY = iBlock * this.support.getBlockSize(); |
494 |
writeBands(buftmp, this.support.getBlockSize(), posicionY);
|
495 |
} |
496 |
} |
497 |
|
498 |
if (anchoResto != 0) { |
499 |
if (mode == Mode.fileWrite) {
|
500 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
501 |
rband = dset_destino.getRasterBand(iBand + 1);
|
502 |
|
503 |
//leemos el bloque origen
|
504 |
buf.buffByte = currentRaster.getGeoFile().getWindow(0,
|
505 |
nBlocks * this.support.getBlockSize(),
|
506 |
sizeWindowX, |
507 |
anchoResto, |
508 |
iBand + |
509 |
1);
|
510 |
|
511 |
//Escribimos el bloque destino
|
512 |
rband.writeRaster(0,
|
513 |
nBlocks * this.support.getBlockSize(),
|
514 |
sizeWindowX, anchoResto, buf, |
515 |
Gdal.GDT_Byte); |
516 |
} |
517 |
} else if (mode == Mode.dataWrite) { |
518 |
int posicionY = nBlocks * this.support.getBlockSize(); |
519 |
writeBands(buftmp, anchoResto, posicionY); |
520 |
} |
521 |
} |
522 |
} catch (GdalException e) {
|
523 |
e.printStackTrace(); |
524 |
} |
525 |
} |
526 |
|
527 |
/**
|
528 |
* Realiza la funci?n de compresi?n a partir de un GeoRasterFile.
|
529 |
* @throws IOException
|
530 |
*/
|
531 |
public void fileWrite() throws IOException { |
532 |
if (currentRaster == null) { |
533 |
throw new IOException("No se ha asignado un fichero de entrada."); |
534 |
} |
535 |
|
536 |
this.write(Mode.fileWrite);
|
537 |
} |
538 |
|
539 |
/**
|
540 |
* Realiza una copia en el formato especificado.
|
541 |
* @throws IOException
|
542 |
*/
|
543 |
public static void createCopy(GdalDriver driverDst, String dst, String src, |
544 |
boolean bstrict, String[] params, IProjection proj) throws IOException, GdalException { |
545 |
if (dst == null || src == null) { |
546 |
throw new IOException("No se ha asignado un fichero de entrada."); |
547 |
} |
548 |
|
549 |
GdalFile gdalFile = new GdalFile(proj, src);
|
550 |
driverDst.createCopy(dst, gdalFile.file, bstrict, params); |
551 |
if(dst.endsWith(".jpg") || dst.endsWith(".jpeg")) |
552 |
GdalWriter.createWorldFile(dst, gdalFile); |
553 |
gdalFile.close(); |
554 |
} |
555 |
|
556 |
/**
|
557 |
* Crea un fichero de georeferenciaci?n
|
558 |
* @param img
|
559 |
* @param name
|
560 |
* @return
|
561 |
* @throws IOException
|
562 |
*/
|
563 |
private static void createWorldFile(String name, GdalFile gdalFile) throws IOException{ |
564 |
File tfw = null; |
565 |
|
566 |
String extWorldFile = ".wld"; |
567 |
if(name.endsWith("tif")) |
568 |
extWorldFile = ".tfw";
|
569 |
if(name.endsWith("jpg") || name.endsWith("jpeg")) |
570 |
extWorldFile = ".jpgw";
|
571 |
|
572 |
tfw = new File(name.substring(0, name.lastIndexOf(".")) + extWorldFile); |
573 |
|
574 |
//Generamos un world file para gdal
|
575 |
DataOutputStream dos = new DataOutputStream( new BufferedOutputStream(new FileOutputStream(tfw)) ); |
576 |
dos.writeBytes((gdalFile.getExtent().getMax().getX() - gdalFile.getExtent().getMin().getX())/gdalFile.getWidth()+"\n");
|
577 |
dos.writeBytes("0.0\n");
|
578 |
dos.writeBytes("0.0\n");
|
579 |
dos.writeBytes((gdalFile.getExtent().getMax().getY() - gdalFile.getExtent().getMin().getY())/gdalFile.getHeight()+"\n");
|
580 |
dos.writeBytes(""+gdalFile.getExtent().getMin().getX()+"\n"); |
581 |
dos.writeBytes(""+gdalFile.getExtent().getMin().getY()+"\n"); |
582 |
dos.close(); |
583 |
} |
584 |
|
585 |
|
586 |
/**
|
587 |
* Realiza la escritura de datos con los datos que le pasa el cliente.
|
588 |
* @throws IOException
|
589 |
*/
|
590 |
public void dataWrite() throws IOException { |
591 |
if (dataWriter == null) { |
592 |
throw new IOException("No se ha obtenido un objeto de entrada para la escritura valido."); |
593 |
} |
594 |
|
595 |
this.write(Mode.dataWrite);
|
596 |
} |
597 |
|
598 |
/**
|
599 |
* Cierra el compresor ecw.
|
600 |
* @throws GdalException
|
601 |
*/
|
602 |
public void writeClose() { |
603 |
try {
|
604 |
dset_destino.close(); |
605 |
oSRS = null;
|
606 |
} catch (GdalException e) {
|
607 |
e.printStackTrace(); |
608 |
} |
609 |
} |
610 |
|
611 |
/**
|
612 |
* Devuelve la configuraci?n de la ventana de dialogo
|
613 |
* para las propiedades del driver de escritura de Gdal.
|
614 |
* @return XML de configuraci?n del dialogo.
|
615 |
*/
|
616 |
public String getXMLPropertiesDialog() { |
617 |
StringBuffer options = null; |
618 |
options = new StringBuffer(); |
619 |
options.append("<window sizex=\"" + this.windowSizeX + "\" sizey=\"" + |
620 |
this.windowSizeY + "\">"); |
621 |
options.append("<panel sizex=\"" + this.panelSizeX + "\" sizey=\"" + |
622 |
this.panelSizeY + "\" layout=\"" + this.panelLayout + |
623 |
"\" border=\"yes\">");
|
624 |
|
625 |
options.append("<panel layout=\"FlowLayout\" position=\"North\" align=\"left\">");
|
626 |
options.append("<label>Block:</label>");
|
627 |
options.append("<combo ident=\"BLOCKSIZE\" selected=\"" +
|
628 |
this.support.getBlockSize() + "\">"); |
629 |
|
630 |
for (int i = 0; i < this.support.getBlockSizeList().length; i++) |
631 |
options.append("<elem>" + this.support.getBlockSizeList()[i] + |
632 |
"</elem>");
|
633 |
|
634 |
options.append("</combo>");
|
635 |
//options.append("<label>Georef Si/No:</label>");
|
636 |
|
637 |
String sel = null; |
638 |
|
639 |
if (this.support.getGeoref()) { |
640 |
sel = new String("yes"); |
641 |
} else {
|
642 |
sel = new String("no"); |
643 |
} |
644 |
|
645 |
/*options.append("<check ident=\"GEOREF\" selected=\"" + sel +
|
646 |
"\" text=\"\">");
|
647 |
options.append("</check>");*/
|
648 |
options.append("</panel>");
|
649 |
|
650 |
options.append("<panel layout=\"FlowLayout\" position=\"Center\" align=\"left\">");
|
651 |
options.append("<label>Photometric:</label>");
|
652 |
options.append("<combo ident=\"PHOTOMETRIC\" selected=\"" +
|
653 |
this.support.getPhotometric() + "\">"); |
654 |
|
655 |
for (int i = 0; i < this.support.getPhotometricList().length; i++) |
656 |
options.append("<elem>" + this.support.getPhotometricList()[i] + |
657 |
"</elem>");
|
658 |
|
659 |
options.append("</combo>");
|
660 |
options.append("<label>Interleave:</label>");
|
661 |
options.append("<combo ident=\"INTERLEAVE\" selected=\"" +
|
662 |
this.support.getInterleave() + "\">"); |
663 |
|
664 |
for (int i = 0; i < this.support.getInterleaveList().length; i++) |
665 |
options.append("<elem>" + this.support.getInterleaveList()[i] + |
666 |
"</elem>");
|
667 |
|
668 |
options.append("</combo>");
|
669 |
options.append("</panel>");
|
670 |
|
671 |
options.append("<panel layout=\"FlowLayout\" position=\"South\" align=\"left\">");
|
672 |
options.append("<label>Compress:</label>");
|
673 |
options.append("<combo ident=\"COMPRESS\" selected=\"" +
|
674 |
this.support.getCompress() + "\">"); |
675 |
|
676 |
for (int i = 0; i < this.support.getCompressList().length; i++) |
677 |
options.append("<elem>" + this.support.getCompressList()[i] + |
678 |
"</elem>");
|
679 |
|
680 |
options.append("</combo>");
|
681 |
options.append("<label>World file:</label>");
|
682 |
sel = null;
|
683 |
|
684 |
if (this.support.getTfw()) { |
685 |
sel = new String("yes"); |
686 |
} else {
|
687 |
sel = new String("no"); |
688 |
} |
689 |
|
690 |
options.append("<check ident=\"TFW\" selected=\"" + sel +
|
691 |
"\" text=\"\">");
|
692 |
options.append("</check>");
|
693 |
options.append("</panel>");
|
694 |
|
695 |
options.append("</panel>");
|
696 |
options.append("</window>");
|
697 |
|
698 |
return options.toString();
|
699 |
} |
700 |
|
701 |
/**
|
702 |
*
|
703 |
* @author Nacho Brodin (brodin_ign@gva.es)
|
704 |
*
|
705 |
* Opciones que soporta el driver de escritura de Gdal.
|
706 |
*/
|
707 |
class GdalSupportOptions extends WriterSupportOptions { |
708 |
private String[] photometric = { |
709 |
"YCBR", "MINISBLACK", "MINISWHITE", |
710 |
"RGB", "CMYK", "CIELAB", "ICCLAB", |
711 |
"ITULAB", "CBCR" |
712 |
}; |
713 |
private String[] interleave = { "BAND", "PIXEL" }; |
714 |
private String[] compress = { "LZW", "PACKBITS", "DEFLATE", "NONE" }; |
715 |
private String photometricDefault = "RGB"; |
716 |
private String interleaveDefault = "BAND"; |
717 |
private String compressDefault = "NONE"; |
718 |
private boolean tfw = false; |
719 |
|
720 |
GdalSupportOptions(String ext) {
|
721 |
super(ext);
|
722 |
} |
723 |
|
724 |
/**
|
725 |
* @param defaultPhot Tipo de imagen
|
726 |
*/
|
727 |
public void setPhotometric(String defaultPhot) { |
728 |
this.photometricDefault = defaultPhot;
|
729 |
} |
730 |
|
731 |
/**
|
732 |
* @param defaultInt
|
733 |
*/
|
734 |
public void setInterleave(String defaultInt) { |
735 |
this.interleaveDefault = defaultInt;
|
736 |
} |
737 |
|
738 |
/**
|
739 |
* @param defaultComp
|
740 |
*/
|
741 |
public void setCompress(String defaultComp) { |
742 |
this.compressDefault = defaultComp;
|
743 |
} |
744 |
|
745 |
/**
|
746 |
* Asigna true o false si se desea generar un fichero tfw con la
|
747 |
* georeferenciaci?n o no;
|
748 |
* @param tfw true se genera el fichero tfw y false no se genera
|
749 |
*/
|
750 |
public void setTfw(boolean tfw) { |
751 |
this.tfw = tfw;
|
752 |
} |
753 |
|
754 |
/**
|
755 |
* @return
|
756 |
*/
|
757 |
public String[] getPhotometricList() { |
758 |
return photometric;
|
759 |
} |
760 |
|
761 |
/**
|
762 |
* @return
|
763 |
*/
|
764 |
public String[] getInterleaveList() { |
765 |
return interleave;
|
766 |
} |
767 |
|
768 |
/**
|
769 |
* @return
|
770 |
*/
|
771 |
public String[] getCompressList() { |
772 |
return compress;
|
773 |
} |
774 |
|
775 |
/**
|
776 |
* @return
|
777 |
*/
|
778 |
public String getPhotometric() { |
779 |
return photometricDefault;
|
780 |
} |
781 |
|
782 |
/**
|
783 |
* @return
|
784 |
*/
|
785 |
public String getInterleave() { |
786 |
return interleaveDefault;
|
787 |
} |
788 |
|
789 |
/**
|
790 |
* Obtiene el par?metro de compresi?n
|
791 |
* @return
|
792 |
*/
|
793 |
public String getCompress() { |
794 |
return compressDefault;
|
795 |
} |
796 |
|
797 |
/**
|
798 |
* Devuelve true o false si se genera un fichero tfw con la
|
799 |
* georeferenciaci?n o no;
|
800 |
* @param tfw true se genera el fichero tfw y false no se genera
|
801 |
*/
|
802 |
public boolean getTfw() { |
803 |
return tfw;
|
804 |
} |
805 |
} |
806 |
|
807 |
private class Mode { |
808 |
public final static int fileWrite = 0; |
809 |
public final static int dataWrite = 1; |
810 |
} |
811 |
} |