root / trunk / libraries / libRaster / src / org / gvsig / raster / dataset / io / EcwDriver.java @ 11067
History | View | Annotate | Download (23.3 KB)
1 | 10960 | nacho | /* 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.Point2D; |
||
22 | import java.io.File; |
||
23 | import java.util.Vector; |
||
24 | |||
25 | import org.cresques.cts.ICoordTrans; |
||
26 | import org.cresques.cts.IProjection; |
||
27 | import org.gvsig.raster.dataset.BandList; |
||
28 | import org.gvsig.raster.dataset.FileNotOpenException; |
||
29 | import org.gvsig.raster.dataset.GeoInfo; |
||
30 | import org.gvsig.raster.dataset.IBuffer; |
||
31 | import org.gvsig.raster.dataset.InvalidSetViewException; |
||
32 | import org.gvsig.raster.dataset.NotSupportedExtensionException; |
||
33 | import org.gvsig.raster.dataset.RasterDataset; |
||
34 | import org.gvsig.raster.dataset.RasterDriverException; |
||
35 | import org.gvsig.raster.dataset.properties.DatasetTransparency; |
||
36 | import org.gvsig.raster.shared.Extent; |
||
37 | import org.gvsig.raster.util.RasterUtilities; |
||
38 | import org.gvsig.raster.util.extensionPoints.ExtensionPoints; |
||
39 | import org.gvsig.raster.util.extensionPoints.ExtensionPointsSingleton; |
||
40 | |||
41 | import com.ermapper.ecw.JNCSException; |
||
42 | import com.ermapper.ecw.JNCSFile; |
||
43 | import com.ermapper.ecw.JNCSFileNotOpenException; |
||
44 | import com.ermapper.ecw.JNCSInvalidSetViewException; |
||
45 | import com.ermapper.ecw.JNCSProgressiveUpdate; |
||
46 | |||
47 | /**
|
||
48 | * Driver de Ecw
|
||
49 | *
|
||
50 | * @author Nacho Brodin (nachobrodin@gmail.com)
|
||
51 | */
|
||
52 | public class EcwDriver extends RasterDataset implements JNCSProgressiveUpdate { |
||
53 | |||
54 | private JNCSFile file = null; |
||
55 | private int currentFullWidth = -1; |
||
56 | private int currentFullHeight = -1; |
||
57 | /**
|
||
58 | * Contorno en coordenadas geogr?ficas sin rotaci?n aplicada. Esto es util para poder
|
||
59 | * calcular los pixeles necesarios que se van a leer del raster.
|
||
60 | */
|
||
61 | public Contour bBoxWithoutRot = new Contour(); |
||
62 | /**
|
||
63 | * Estado de transparencia del raster.
|
||
64 | */
|
||
65 | protected DatasetTransparency fileTransparency = null; |
||
66 | |||
67 | /**
|
||
68 | * Extent de la ventana seleccionada
|
||
69 | */
|
||
70 | private Extent view = null; |
||
71 | |||
72 | static {
|
||
73 | ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance(); |
||
74 | extensionPoints.add("RasterDriver", "ecw", EcwDriver.class); |
||
75 | extensionPoints.add("RasterDriver", "jp2", EcwDriver.class); |
||
76 | } |
||
77 | |||
78 | class Contour extends Vector { |
||
79 | final private static long serialVersionUID = 0; |
||
80 | public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE; |
||
81 | public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE; |
||
82 | public Contour() {
|
||
83 | super();
|
||
84 | } |
||
85 | public void add(Point2D pt) { |
||
86 | super.add(pt);
|
||
87 | if (pt.getX() > maxX) maxX = pt.getX();
|
||
88 | if (pt.getX() < minX) minX = pt.getX();
|
||
89 | if (pt.getY() > maxY) maxY = pt.getY();
|
||
90 | if (pt.getY() < minY) minY = pt.getY();
|
||
91 | } |
||
92 | } |
||
93 | |||
94 | /**
|
||
95 | * Constructor. Abre el dataset.
|
||
96 | * @param proj Proyecci?n
|
||
97 | * @param fName Nombre del fichero ecw
|
||
98 | * @throws NotSupportedExtensionException
|
||
99 | */
|
||
100 | public EcwDriver(IProjection proj, String fName)throws NotSupportedExtensionException { |
||
101 | super(proj, fName);
|
||
102 | extent = new Extent();
|
||
103 | try {
|
||
104 | |||
105 | if (!new File(fName).exists() && !fName.startsWith("ecwp:")) |
||
106 | throw new NotSupportedExtensionException("Extension not supported"); |
||
107 | |||
108 | file = new JNCSFile(fName, false); |
||
109 | load(); |
||
110 | //readGeoInfo(fName);
|
||
111 | bandCount = file.numBands; |
||
112 | getTransparencyDatasetStatus(); |
||
113 | setDataType(IBuffer.TYPE_BYTE); |
||
114 | } catch (Exception e) { |
||
115 | throw new NotSupportedExtensionException("Extension not supported"); |
||
116 | } |
||
117 | } |
||
118 | |||
119 | /**
|
||
120 | * Carga un ECW.
|
||
121 | * @param fname
|
||
122 | */
|
||
123 | public GeoInfo load() {
|
||
124 | double minX;
|
||
125 | double minY;
|
||
126 | double maxX;
|
||
127 | double maxY;
|
||
128 | |||
129 | if(file.cellIncrementY > 0) |
||
130 | file.cellIncrementY = -file.cellIncrementY; |
||
131 | |||
132 | minX = file.originX; |
||
133 | maxY = file.originY; |
||
134 | maxX = file.originX + |
||
135 | ((double) (file.width) * file.cellIncrementX);
|
||
136 | minY = file.originY + |
||
137 | ((double) (file.height) * file.cellIncrementY);
|
||
138 | |||
139 | currentFullWidth = file.width; |
||
140 | currentFullHeight = file.height; |
||
141 | boundingBoxWithoutRotation(); |
||
142 | |||
143 | extent = new Extent(minX, minY, maxX, maxY);
|
||
144 | requestExtent = extent; |
||
145 | return this; |
||
146 | } |
||
147 | |||
148 | /**
|
||
149 | * Calcula la bounding box en la que est? metido el raster teniendo en cuenta
|
||
150 | * el tama?o de pixel y la rotaci?n.
|
||
151 | */
|
||
152 | private void boundingBoxWithoutRotation(){ |
||
153 | double ox = file.originX;
|
||
154 | double oy = file.originY;
|
||
155 | double resx = file.cellIncrementX;
|
||
156 | double resy = file.cellIncrementY;
|
||
157 | |||
158 | bBoxWithoutRot.add(new Point2D.Double(ox, oy)); |
||
159 | bBoxWithoutRot.add(new Point2D.Double(ox + resx * (file.width), oy)); |
||
160 | bBoxWithoutRot.add(new Point2D.Double(ox, oy + resy * (file.height))); |
||
161 | bBoxWithoutRot.add(new Point2D.Double(ox + resx * (file.width), oy + resy * (file.height))); |
||
162 | } |
||
163 | |||
164 | /**
|
||
165 | * Cierra el fichero ECW
|
||
166 | */
|
||
167 | public void close() { |
||
168 | if(file != null){ |
||
169 | file.close(true);
|
||
170 | file = null;
|
||
171 | } |
||
172 | } |
||
173 | |||
174 | /**
|
||
175 | * Obtiene el objeto que contiene el estado de la transparencia
|
||
176 | */
|
||
177 | public DatasetTransparency getTransparencyDatasetStatus() {
|
||
178 | if(fileTransparency == null) |
||
179 | fileTransparency = new DatasetTransparency();
|
||
180 | return fileTransparency;
|
||
181 | } |
||
182 | |||
183 | /**
|
||
184 | * Devuelve el ancho de la imagen
|
||
185 | */
|
||
186 | public int getWidth() { |
||
187 | return file.width;
|
||
188 | } |
||
189 | |||
190 | /**
|
||
191 | * Devuelve el alto de la imagen
|
||
192 | */
|
||
193 | public int getHeight() { |
||
194 | return file.height;
|
||
195 | } |
||
196 | |||
197 | /**
|
||
198 | * Obtiene el extent de la ?ltima ventana seleccionada.
|
||
199 | * @return Extent
|
||
200 | */
|
||
201 | public Extent getView() {
|
||
202 | return view;
|
||
203 | } |
||
204 | |||
205 | /*
|
||
206 | * (non-Javadoc)
|
||
207 | * @see org.gvsig.fmap.driver.RasterDataset#setView(org.gvsig.fmap.raster.Extent)
|
||
208 | */
|
||
209 | public void setView(Extent e) { |
||
210 | //TODO: FUNCIONALIDAD: Falta aplicar la transformaci?n a la vista en caso de que haya un fichero .rmf. Mirar EcwFile de piloto
|
||
211 | view = new Extent(e);
|
||
212 | } |
||
213 | |||
214 | /**
|
||
215 | * Cuando se hace una petici?n de carga de buffer la extensi?n pedida puede estar ajustada a la extensi?n del raster
|
||
216 | * o no estarlo. En caso de no estarlo los pixeles del buffer que caen fuera de la extensi?n del raster tendr?n valor
|
||
217 | * de NoData. Esta funci?n calcula en que pixel del buffer hay que empezar a escribir en caso de que este sea mayor
|
||
218 | * que los datos a leer.
|
||
219 | * @param dWorldTLX Posici?n X superior izquierda en coord reales
|
||
220 | * @param dWorldTLY Posici?n Y superior izquierda en coord reales
|
||
221 | * @param dWorldBRX Posici?n X inferior derecha en coord reales
|
||
222 | * @param dWorldBRY Posici?n Y inferior derecha en coord reales
|
||
223 | * @param nWidth Ancho en pixeles del buffer
|
||
224 | * @param nHeight Alto en pixeles del buffer
|
||
225 | * @return desplazamiento dentro del buffer en X e Y
|
||
226 | */
|
||
227 | private int[] calcStepBuffer(Extent dataExtent, int nWidth, int nHeight, int[] stpBuffer){ |
||
228 | Extent imageExtent = new Extent(bBoxWithoutRot.minX, bBoxWithoutRot.minY, bBoxWithoutRot.maxX, bBoxWithoutRot.maxY);
|
||
229 | Extent ajustDataExtent = RasterUtilities.calculateAdjustedView(dataExtent, imageExtent); |
||
230 | if(!RasterUtilities.compareExtents(dataExtent, ajustDataExtent)){
|
||
231 | Point2D p1 = worldToRaster(new Point2D.Double(ajustDataExtent.minX(), ajustDataExtent.maxY())); |
||
232 | Point2D p2 = worldToRaster(new Point2D.Double(ajustDataExtent.maxX(), ajustDataExtent.minY())); |
||
233 | Point2D p3 = worldToRaster(new Point2D.Double(dataExtent.minX(), dataExtent.maxY())); |
||
234 | Point2D p4 = worldToRaster(new Point2D.Double(dataExtent.maxX(), dataExtent.minY())); |
||
235 | //Ese es el ancho y alto q tendr?a el buffer en caso de haberse ajustado
|
||
236 | int w = (int)Math.abs(Math.ceil(p2.getX()) - Math.floor(p1.getX())); |
||
237 | int h = (int)Math.abs(Math.floor(p1.getY()) - Math.ceil(p2.getY())); |
||
238 | |||
239 | stpBuffer[0] = (int)(p1.getX() + (-p3.getX())); |
||
240 | stpBuffer[1] = (int)(p1.getY() + (-p3.getY())); |
||
241 | stpBuffer[2] = stpBuffer[0] + w; |
||
242 | stpBuffer[3] = stpBuffer[1] + h; |
||
243 | return new int[]{w, h}; |
||
244 | } |
||
245 | return new int[]{nWidth, nHeight}; |
||
246 | } |
||
247 | |||
248 | /*
|
||
249 | * (non-Javadoc)
|
||
250 | * @see org.gvsig.fmap.driver.RasterDataset#worldToRaster(java.awt.geom.Point2D)
|
||
251 | */
|
||
252 | public Point2D worldToRaster(Point2D pt) { |
||
253 | double x = ((pt.getX() - bBoxWithoutRot.minX) * ((double) currentFullWidth)) / (double)(bBoxWithoutRot.maxX - bBoxWithoutRot.minX); |
||
254 | double y = ((bBoxWithoutRot.maxY - pt.getY()) * ((double) currentFullHeight)) / (double)(bBoxWithoutRot.maxY - bBoxWithoutRot.minY); |
||
255 | Point2D ptRes = new Point2D.Double(x, y); |
||
256 | return ptRes;
|
||
257 | } |
||
258 | |||
259 | /*
|
||
260 | * (non-Javadoc)
|
||
261 | * @see org.gvsig.fmap.driver.RasterDataset#rasterToWorld(java.awt.geom.Point2D)
|
||
262 | */
|
||
263 | public Point2D rasterToWorld(Point2D pt) { |
||
264 | double x = bBoxWithoutRot.minX + ((pt.getX() * (bBoxWithoutRot.maxX - bBoxWithoutRot.minX)) / currentFullWidth);
|
||
265 | double y = bBoxWithoutRot.maxY - ((pt.getY() * (bBoxWithoutRot.maxY - bBoxWithoutRot.minY)) / currentFullHeight);
|
||
266 | Point2D ptRes = new Point2D.Double(x, y); |
||
267 | return ptRes;
|
||
268 | } |
||
269 | |||
270 | /*
|
||
271 | * (non-Javadoc)
|
||
272 | * @see org.gvsig.fmap.driver.RasterDataset#getWindowRaster(double, double, double, double, org.gvsig.fmap.driver.BandList, org.gvsig.fmap.driver.IBuffer, boolean)
|
||
273 | */
|
||
274 | public IBuffer getWindowRaster(double x, double y, double w, double h, BandList bandList, IBuffer rasterBuf, boolean adjustToExtent) { |
||
275 | |||
276 | //Si cojemos pixeles completos hemos de calcular las coordenadas reales de esos pixeles completos para hacer la petici?n.
|
||
277 | //Este el calculo que se hizo en RasterMultiDataset para calcular pixeles completos, convertir a pixel, redondear el primero
|
||
278 | //por abajo y el ultimo por arriba
|
||
279 | Point2D p1 = worldToRaster(new Point2D.Double(x, y)); |
||
280 | Point2D p2 = worldToRaster(new Point2D.Double(x + w, y - h)); |
||
281 | Point2D a = rasterToWorld(new Point2D.Double(Math.floor(p1.getX()), Math.floor(p1.getY()))); |
||
282 | Point2D b = rasterToWorld(new Point2D.Double(Math.ceil(p2.getX()), Math.ceil(p2.getY()))); |
||
283 | |||
284 | //Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
||
285 | Extent selectedExtent = new Extent(a.getX(), a.getY(), b.getX(), b.getY());
|
||
286 | setView(selectedExtent); |
||
287 | int wPx = rasterBuf.getWidth();
|
||
288 | int hPx = rasterBuf.getHeight();
|
||
289 | int[] stpBuffer = new int[]{0, 0 , wPx, hPx}; |
||
290 | |||
291 | //TODO: FUNCIONALIDAD: Implementar adjustToExtent = false
|
||
292 | /*if(!adjustToExtent){
|
||
293 | int[] wh = calcStepBuffer(selectedExtent, wPx, hPx, stpBuffer);
|
||
294 | if(x < 0)
|
||
295 | x = 0;
|
||
296 | if(y < 0)
|
||
297 | y = 0;
|
||
298 | readData(buf, bandList, x, y, wh[0], wh[1], wh[0], wh[1], 0, 0, stpBuffer);
|
||
299 | return;
|
||
300 | }*/
|
||
301 | |||
302 | loadBuffer(selectedExtent, wPx, hPx, rasterBuf, bandList, stpBuffer); |
||
303 | |||
304 | return rasterBuf;
|
||
305 | } |
||
306 | |||
307 | /*
|
||
308 | * (non-Javadoc)
|
||
309 | * @see org.gvsig.fmap.driver.RasterDataset#getWindowRaster(int, int, int, int, org.gvsig.fmap.driver.BandList, org.gvsig.fmap.driver.IBuffer)
|
||
310 | */
|
||
311 | public IBuffer getWindowRaster(int x, int y, int w, int h, BandList bandList, IBuffer rasterBuf) { |
||
312 | Point2D init = this.rasterToWorld(new Point2D.Double(x, y)); |
||
313 | Point2D end = this.rasterToWorld(new Point2D.Double(x + w, y + h)); |
||
314 | Extent selectedExtent = new Extent(init.getX(), init.getY(), end.getX(), end.getY());
|
||
315 | setView(selectedExtent); |
||
316 | int[] stpBuffer = new int[]{0, 0 , w, h}; |
||
317 | |||
318 | loadBuffer(selectedExtent, w, h, rasterBuf, bandList, stpBuffer); |
||
319 | return rasterBuf;
|
||
320 | } |
||
321 | |||
322 | /*
|
||
323 | * (non-Javadoc)
|
||
324 | * @see org.gvsig.fmap.driver.RasterDataset#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.driver.BandList, org.gvsig.fmap.driver.IBuffer, boolean)
|
||
325 | */
|
||
326 | public IBuffer getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, IBuffer rasterBuf, boolean adjustToExtent) { |
||
327 | Extent selectedExtent = new Extent(minX, maxY, maxX, minY);
|
||
328 | setView(selectedExtent); |
||
329 | int[] stpBuffer = new int[]{0, 0 , bufWidth, bufHeight}; |
||
330 | |||
331 | //TODO: FUNCIONALIDAD: Implementar adjustToExtent = false
|
||
332 | |||
333 | loadBuffer(selectedExtent, bufWidth, bufHeight, rasterBuf, bandList, stpBuffer); |
||
334 | return rasterBuf;
|
||
335 | } |
||
336 | |||
337 | /*
|
||
338 | * (non-Javadoc)
|
||
339 | * @see org.gvsig.fmap.driver.RasterDataset#getWindowRaster(int, int, int, int, int, int, org.gvsig.fmap.driver.BandList, org.gvsig.fmap.driver.IBuffer)
|
||
340 | */
|
||
341 | public IBuffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, IBuffer rasterBuf) { |
||
342 | Point2D init = this.rasterToWorld(new Point2D.Double(x, y)); |
||
343 | Point2D end = this.rasterToWorld(new Point2D.Double(x + w, y + h)); |
||
344 | Extent selectedExtent = new Extent(init.getX(), init.getY(), end.getX(), end.getY());
|
||
345 | setView(selectedExtent); |
||
346 | int[] stpBuffer = new int[]{0, 0 , bufWidth, bufHeight}; |
||
347 | |||
348 | loadBuffer(selectedExtent, bufWidth, bufHeight, rasterBuf, bandList, stpBuffer); |
||
349 | return rasterBuf;
|
||
350 | } |
||
351 | |||
352 | /**
|
||
353 | * Carga el buffer con las bandas RGB del raster con los par?metros especificados de extensi?n
|
||
354 | * y tama?o de buffer. El problema de ecw es que solo podemos leer 3 bandas de una vez ya que solo disponemos
|
||
355 | * de una llamada readLineRGBA. Para leer m?s bandas tendremos que hacer multiples llamadas a setView para leer
|
||
356 | * 3 cada vez.
|
||
357 | *
|
||
358 | * Si por ejemplo tenemos un ecw de 6 bandas [0, 1, 2, 3, 4, 5] y queremos cargar un buffer con el siguiente orden
|
||
359 | * [0, -, 2, -, 4, -] La variable readBandsFromECW har? la llamada a setView con los valores [0, 2, 4, 0, 0, 0]. La
|
||
360 | * funci?n drawRGB ser? la encargada de hacer el switch para obtener [0, -, 2, -, 4, -].
|
||
361 | *
|
||
362 | * Bug#1: Si se dispone de un ecw de m?s de tres bandas podemos llamar a setView con readBandsFromECW con el orden
|
||
363 | * que queramos, por ejemplo [3, 2, 5, 1, 0] pero para ecw de 3 bandas la llamada con las bandas cambiadas no
|
||
364 | * hace caso. El caso de readBandsFromECW = [2, 0, 1] ser? tomado siempre como [0, 1, 2].
|
||
365 | *
|
||
366 | * @param selectedExtent Extensi?n seleccionada
|
||
367 | * @param bufWidth Ancho de buffer
|
||
368 | * @param bufHeight Alto de buffer
|
||
369 | * @param rasterBuf Buffer de datos
|
||
370 | */
|
||
371 | private void loadBuffer(Extent selectedExtent, int bufWidth, int bufHeight, IBuffer rasterBuf, BandList bandList, int[] stpBuffer){ |
||
372 | try{
|
||
373 | //Leemos el raster desde la librer?a
|
||
374 | |||
375 | int[] readBandsFromECW = new int[file.numBands]; |
||
376 | int[] readBands = new int[file.numBands]; |
||
377 | |||
378 | |||
379 | for(int i = 0; i < readBandsFromECW.length; i ++) |
||
380 | readBands[i] = -1;
|
||
381 | int cont = 0; |
||
382 | for(int i = 0; i < file.numBands; i++){ |
||
383 | int[] bandsToDraw = bandList.getBand(i).getDataImageBandToDraw(); |
||
384 | if(bandsToDraw != null){ |
||
385 | for(int j = 0; j < bandsToDraw.length; j++){ |
||
386 | readBandsFromECW[cont] = i; |
||
387 | readBands[cont] = i; |
||
388 | cont ++; |
||
389 | } |
||
390 | } |
||
391 | |||
392 | } |
||
393 | |||
394 | file.setView(file.numBands, readBandsFromECW, selectedExtent.minX(), selectedExtent.maxY(), selectedExtent.maxX(), selectedExtent.minY(), bufWidth, bufHeight); |
||
395 | |||
396 | //Escribimos el raster sobre un IBuffer
|
||
397 | int[] pRGBArray = new int[bufWidth]; |
||
398 | drawRGB(rasterBuf, pRGBArray, readBands, bandList); |
||
399 | |||
400 | }catch(JNCSInvalidSetViewException exc){
|
||
401 | exc.printStackTrace(); |
||
402 | }catch (JNCSFileNotOpenException e) {
|
||
403 | e.printStackTrace(); |
||
404 | }catch (JNCSException ex) {
|
||
405 | ex.printStackTrace(); |
||
406 | } |
||
407 | |||
408 | } |
||
409 | |||
410 | |||
411 | private void drawRGB(IBuffer rasterBuf, int[] pRGBArray, int[] readBands, BandList bandList)throws JNCSException{ |
||
412 | byte data = 0; |
||
413 | int bandR = readBands[0]; |
||
414 | int bandG = (readBands.length > 1) ? readBands[1] : -1; |
||
415 | int bandB = (readBands.length > 2) ? readBands[2] : -1; |
||
416 | |||
417 | //********* caso especial que resuelve Bug#1 **********************
|
||
418 | if(file.numBands == 3 && bandList.getDrawableBandsCount() < 3){ |
||
419 | for(int i = 0; i < 3; i ++){ |
||
420 | int[] b = bandList.getBand(i).getDataImageBandToDraw(); |
||
421 | if(b != null){ |
||
422 | bandG = 1; bandR = 0; bandB = 2; |
||
423 | } |
||
424 | } |
||
425 | } |
||
426 | if(file.numBands == 3 && bandR == bandG && bandG == bandB){ //caso especial que resuelve Bug#1 |
||
427 | for(int i = 0; i < 3; i ++){ |
||
428 | int[] b = bandList.getBand(i).getDataImageBandToDraw(); |
||
429 | if(b != null){ |
||
430 | if(i == 0){ |
||
431 | for (int line = 0; line < rasterBuf.getHeight(); line++) { |
||
432 | file.readLineRGBA(pRGBArray); |
||
433 | for(int col = 0; col < pRGBArray.length; col ++){ |
||
434 | rasterBuf.setElem(line, col, bandR, (byte)((pRGBArray[col] & 0x00ff0000) >> 16)); |
||
435 | rasterBuf.setElem(line, col, bandG, (byte)((pRGBArray[col] & 0x00ff0000) >> 16)); |
||
436 | rasterBuf.setElem(line, col, bandB, (byte)((pRGBArray[col] & 0x00ff0000) >> 16)); |
||
437 | } |
||
438 | } |
||
439 | return;
|
||
440 | } |
||
441 | if(i == 1){ |
||
442 | for (int line = 0; line < rasterBuf.getHeight(); line++) { |
||
443 | file.readLineRGBA(pRGBArray); |
||
444 | for(int col = 0; col < pRGBArray.length; col ++){ |
||
445 | rasterBuf.setElem(line, col, bandR, (byte)((pRGBArray[col] & 0x0000ff00) >> 8)); |
||
446 | rasterBuf.setElem(line, col, bandG, (byte)((pRGBArray[col] & 0x0000ff00) >> 8)); |
||
447 | rasterBuf.setElem(line, col, bandB, (byte)((pRGBArray[col] & 0x0000ff00) >> 8)); |
||
448 | } |
||
449 | } |
||
450 | return;
|
||
451 | } |
||
452 | if(i == 2){ |
||
453 | for (int line = 0; line < rasterBuf.getHeight(); line++) { |
||
454 | file.readLineRGBA(pRGBArray); |
||
455 | for(int col = 0; col < pRGBArray.length; col ++){ |
||
456 | rasterBuf.setElem(line, col, bandR, (byte)(pRGBArray[col] & 0x000000ff)); |
||
457 | rasterBuf.setElem(line, col, bandG, (byte)(pRGBArray[col] & 0x000000ff)); |
||
458 | rasterBuf.setElem(line, col, bandB, (byte)(pRGBArray[col] & 0x000000ff)); |
||
459 | } |
||
460 | } |
||
461 | return;
|
||
462 | } |
||
463 | } |
||
464 | } |
||
465 | |||
466 | } |
||
467 | //********* END caso especial que resuelve Bug#1 **********************
|
||
468 | |||
469 | if(bandR >= 0 && bandG >= 0 && bandB >= 0){ |
||
470 | for (int line = 0; line < rasterBuf.getHeight(); line++) { |
||
471 | file.readLineRGBA(pRGBArray); |
||
472 | for(int col = 0; col < pRGBArray.length; col ++){ |
||
473 | rasterBuf.setElem(line, col, bandR, (byte)((pRGBArray[col] & 0x00ff0000) >> 16)); |
||
474 | rasterBuf.setElem(line, col, bandG, (byte)((pRGBArray[col] & 0x0000ff00) >> 8)); |
||
475 | rasterBuf.setElem(line, col, bandB, (byte)(pRGBArray[col] & 0x000000ff)); |
||
476 | } |
||
477 | } |
||
478 | return;
|
||
479 | } |
||
480 | |||
481 | if(bandR >= 0 && bandG >= 0){ |
||
482 | for (int line = 0; line < rasterBuf.getHeight(); line++) { |
||
483 | file.readLineRGBA(pRGBArray); |
||
484 | for(int col = 0; col < pRGBArray.length; col ++){ |
||
485 | rasterBuf.setElem(line, col, bandR, (byte)((pRGBArray[col] & 0x00ff0000) >> 16)); |
||
486 | rasterBuf.setElem(line, col, bandG, (byte)((pRGBArray[col] & 0x0000ff00) >> 8)); |
||
487 | } |
||
488 | } |
||
489 | return;
|
||
490 | } |
||
491 | |||
492 | if(bandR >= 0){ |
||
493 | for (int line = 0; line < rasterBuf.getHeight(); line++) { |
||
494 | file.readLineRGBA(pRGBArray); |
||
495 | for(int col = 0; col < pRGBArray.length; col ++) |
||
496 | rasterBuf.setElem(line, col, bandR, (byte)((pRGBArray[col] & 0x00ff0000) >> 16)); |
||
497 | } |
||
498 | return;
|
||
499 | } |
||
500 | |||
501 | } |
||
502 | |||
503 | public void reProject(ICoordTrans rp) { |
||
504 | } |
||
505 | |||
506 | public void setExtentTransform(double originX, double originY, double psX, double psY) { |
||
507 | } |
||
508 | |||
509 | public int getBlockSize() { |
||
510 | return 0; |
||
511 | } |
||
512 | |||
513 | /*
|
||
514 | * (non-Javadoc)
|
||
515 | * @see org.gvsig.raster.driver.RasterDataset#readCompletetLine(int, int)
|
||
516 | */
|
||
517 | public Object readCompleteLine(int line, int band) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
||
518 | if(line < 0 || line >= file.height || band < 0 || band >= getBandCount()) |
||
519 | throw new InvalidSetViewException("Request out of grid"); |
||
520 | |||
521 | Point2D begin = rasterToWorld(new Point2D.Double(0, line)); |
||
522 | Point2D end = rasterToWorld(new Point2D.Double(file.width, line + 1)); |
||
523 | int[] readBandsFromECW = new int[file.numBands]; |
||
524 | if(file.numBands <= 3) { |
||
525 | for(int i = 0; i < file.numBands; i++) |
||
526 | readBandsFromECW[i] = i; |
||
527 | }else {
|
||
528 | readBandsFromECW[0] = band;
|
||
529 | } |
||
530 | |||
531 | Extent e = new Extent(begin.getX(), begin.getY(), end.getX(), end.getY());
|
||
532 | |||
533 | try {
|
||
534 | int[] value = new int[file.width]; |
||
535 | file.setView(file.numBands, readBandsFromECW, e.minX(), e.maxY(), e.maxX(), e.minY(), file.width, 1);
|
||
536 | file.readLineRGBA(value); |
||
537 | |||
538 | if(file.numBands <= 3) { |
||
539 | switch(getDataType()) {
|
||
540 | case IBuffer.TYPE_BYTE: byte[] b = new byte[file.width]; |
||
541 | switch(band) {
|
||
542 | case 0: for(int i = 0; i < file.width; i ++) |
||
543 | b[i] = (byte)(((value[i] & 0x00ff0000) >> 16) & 0xff); |
||
544 | break;
|
||
545 | case 1: for(int i = 0; i < file.width; i ++) |
||
546 | b[i] = (byte)(((value[i] & 0x0000ff00) >> 8) & 0xff); |
||
547 | break;
|
||
548 | case 2: for(int i = 0; i < file.width; i ++) |
||
549 | b[i] = (byte)((value[i] & 0x000000ff) & 0xff); |
||
550 | break;
|
||
551 | } |
||
552 | return b;
|
||
553 | } |
||
554 | }else {
|
||
555 | switch(getDataType()) {
|
||
556 | case IBuffer.TYPE_BYTE: byte[] b = new byte[file.width]; |
||
557 | for(int i = 0; i < file.width; i ++) |
||
558 | b[i] = (byte)(((value[i] & 0x00ff0000) >> 16) & 0xff); |
||
559 | break;
|
||
560 | } |
||
561 | } |
||
562 | //TODO: FUNCIONALIDAD: Ecw con otro tipo de dato != Byte
|
||
563 | } catch (JNCSFileNotOpenException e1) {
|
||
564 | throw new FileNotOpenException("Error en jecw: JNCSFileNotOpenException"); |
||
565 | } catch (JNCSInvalidSetViewException e1) {
|
||
566 | throw new FileNotOpenException("Error en jecw: JNCSInvalidSetViewException"); |
||
567 | } catch (JNCSException e1) {
|
||
568 | throw new RasterDriverException("Error la lectura de datos ecw"); |
||
569 | } |
||
570 | |||
571 | return null; |
||
572 | } |
||
573 | |||
574 | /*
|
||
575 | * (non-Javadoc)
|
||
576 | * @see org.gvsig.raster.driver.RasterDataset#getData(int, int, int)
|
||
577 | */
|
||
578 | public Object getData(int x, int y, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
||
579 | if(x < 0 || y < 0 || x >= file.width || y >= file.height) |
||
580 | throw new InvalidSetViewException("Request out of grid"); |
||
581 | |||
582 | Point2D begin = rasterToWorld(new Point2D.Double(x, y)); |
||
583 | Point2D end = rasterToWorld(new Point2D.Double(x + 1, y + 1)); |
||
584 | int[] readBandsFromECW = new int[file.numBands]; |
||
585 | if(file.numBands <= 3){ |
||
586 | for(int i = 0; i < file.numBands; i++) |
||
587 | readBandsFromECW[i] = i; |
||
588 | }else{
|
||
589 | readBandsFromECW[0] = band;
|
||
590 | } |
||
591 | |||
592 | Extent e = new Extent(begin.getX(), begin.getY(), end.getX(), end.getY());
|
||
593 | try {
|
||
594 | int[] value = new int[1]; |
||
595 | file.setView(file.numBands, readBandsFromECW, e.minX(), e.maxY(), e.maxX(), e.minY(), 1, 1); |
||
596 | file.readLineRGBA(value); |
||
597 | if(file.numBands <= 3){ |
||
598 | switch(band){
|
||
599 | case 0: return new Integer((((value[0] & 0x00ff0000) >> 16) & 0xffffffff)); |
||
600 | case 1: return new Integer((((value[0] & 0x0000ff00) >> 8) & 0xffffffff)); |
||
601 | case 2: return new Integer((((value[0] & 0x000000ff)) & 0xffffffff)); |
||
602 | } |
||
603 | } |
||
604 | return new Integer((((value[0] & 0x00ff0000) >> 16) & 0xffffffff)); |
||
605 | } catch (JNCSFileNotOpenException e1) {
|
||
606 | throw new FileNotOpenException("Error en jecw: JNCSFileNotOpenException"); |
||
607 | } catch (JNCSInvalidSetViewException e1) {
|
||
608 | throw new FileNotOpenException("Error en jecw: JNCSInvalidSetViewException"); |
||
609 | } catch (JNCSException e1) {
|
||
610 | throw new RasterDriverException("Error reading ecw data"); |
||
611 | } |
||
612 | } |
||
613 | |||
614 | public void refreshUpdate(int arg0, int arg1, double arg2, double arg3, double arg4, double arg5) { |
||
615 | } |
||
616 | |||
617 | public void refreshUpdate(int arg0, int arg1, int arg2, int arg3, int arg4, int arg5) { |
||
618 | } |
||
619 | |||
620 | /*
|
||
621 | * (non-Javadoc)
|
||
622 | * @see org.gvsig.raster.driver.GeoData#getStringProjection()
|
||
623 | */
|
||
624 | public String getStringProjection() throws RasterDriverException{ |
||
625 | return file.projection;
|
||
626 | } |
||
627 | |||
628 | } |
||
629 | |||
630 |