svn-gvsig-desktop / tags / v1_0_2_Build_902 / libraries / libCq CMS for java.old / src / org / cresques / io / GdalFile.java @ 10681
History | View | Annotate | Download (43.3 KB)
1 | 5990 | luisw2 | /*
|
---|---|---|---|
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.awt.Image; |
||
27 | import java.awt.Point; |
||
28 | import java.awt.geom.NoninvertibleTransformException; |
||
29 | import java.awt.geom.Point2D; |
||
30 | import java.awt.image.BufferedImage; |
||
31 | import java.awt.image.DataBuffer; |
||
32 | import java.io.IOException; |
||
33 | import java.util.Vector; |
||
34 | |||
35 | import org.cresques.cts.ICoordTrans; |
||
36 | import org.cresques.cts.IProjection; |
||
37 | 5991 | nacho | import org.cresques.io.data.Metadata; |
38 | 10194 | nacho | import org.cresques.io.data.RasterBuf; |
39 | 9056 | nacho | import org.cresques.io.exceptions.NotSupportedExtensionException; |
40 | 5990 | luisw2 | import org.cresques.px.Extent; |
41 | |||
42 | import es.gva.cit.jgdal.Gdal; |
||
43 | import es.gva.cit.jgdal.GdalBuffer; |
||
44 | import es.gva.cit.jgdal.GdalException; |
||
45 | import es.gva.cit.jgdal.GdalRasterBand; |
||
46 | import es.gva.cit.jgdal.GeoTransform; |
||
47 | /**
|
||
48 | * Soporte 'nativo' para ficheros desde GDAL.
|
||
49 | * Este conjunto de funcionalidades est? tomado de manera casi literal
|
||
50 | * del soporte para ECW de ermapper.<br>
|
||
51 | * Probablemente esto deber?a formar parte del JNI que recubre a la
|
||
52 | * librer?a en C extraida de gdal.<br>
|
||
53 | * Lo pongo aqu? a manera de ejemplo de como atacar un formato binario
|
||
54 | * desde Java.<br><br>
|
||
55 | * @author Luis W. Sevilla.
|
||
56 | */
|
||
57 | |||
58 | class GdalNative extends Gdal { |
||
59 | static boolean WITH_OVERVIEWS = true; |
||
60 | private String ext = ""; |
||
61 | 5991 | nacho | /**
|
62 | * Nombre corto del driver de gdal
|
||
63 | */
|
||
64 | 5990 | luisw2 | private String shortName = ""; |
65 | public GeoTransform trans = null; |
||
66 | /**
|
||
67 | * Contorno en coordenadas geogr?ficas. (y Extent del raster).
|
||
68 | */
|
||
69 | 8765 | jjdelcerro | public Contour bBoxRot = new Contour(); |
70 | /**
|
||
71 | * Contorno en coordenadas geogr?ficas sin rotaci?n aplicada. Esto es util para poder
|
||
72 | * calcular los pixeles necesarios que se van a leer del raster. Cuando el raster no tiene
|
||
73 | * rotaci?n coincide con esq.
|
||
74 | */
|
||
75 | public Contour bBoxWithoutRot = new Contour(); |
||
76 | 5990 | luisw2 | public int width = 0, height = 0; |
77 | public double originX = 0D, originY = 0D; |
||
78 | public String version = ""; |
||
79 | private int alpha = 0; |
||
80 | protected int rBandNr = 1, gBandNr = 2, bBandNr = 3, aBandNr = 4; |
||
81 | private int dataType = GDT_Byte; |
||
82 | 5991 | nacho | /**
|
83 | * Metadatos leidos de la imagen
|
||
84 | */
|
||
85 | private Metadata metadata = null; |
||
86 | 6037 | nacho | private boolean georeferenced = true; |
87 | 5990 | luisw2 | |
88 | |||
89 | // Polilinea con extent
|
||
90 | public class Contour extends Vector { |
||
91 | final private static long serialVersionUID = -3370601314380922368L; |
||
92 | public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE; |
||
93 | public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE; |
||
94 | public Contour() {
|
||
95 | super();
|
||
96 | } |
||
97 | public void add(Point2D pt) { |
||
98 | super.add(pt);
|
||
99 | if (pt.getX() > maxX) maxX = pt.getX();
|
||
100 | if (pt.getX() < minX) minX = pt.getX();
|
||
101 | if (pt.getY() > maxY) maxY = pt.getY();
|
||
102 | if (pt.getY() < minY) minY = pt.getY();
|
||
103 | } |
||
104 | } |
||
105 | |||
106 | public GdalNative(String fName) throws GdalException, IOException { |
||
107 | super();
|
||
108 | init(fName); |
||
109 | } |
||
110 | |||
111 | 8765 | jjdelcerro | /**
|
112 | * <P>
|
||
113 | * Calcula la bounding box en la que est? metido el raster teniendo en cuenta
|
||
114 | * el tama?o de pixel y la rotaci?n. Esto lo hace con los valores de transformaci?n
|
||
115 | * leidos por gdal en el vector de 6 elementos adfGeoTransform donde cada elemento
|
||
116 | * del vector represnta los siguientes valores
|
||
117 | * </P>
|
||
118 | * <UL>
|
||
119 | * <LI>0-origen X</LI>
|
||
120 | * <LI>1-tama?o de pixel X</LI>
|
||
121 | * <LI>2-shear en X</LI>
|
||
122 | * <LI>3-origen Y</LI>
|
||
123 | * <LI>4-shear en Y</LI>
|
||
124 | * <LI>5-Tama?o de pixel Y</LI>
|
||
125 | * </UL>
|
||
126 | * <P>
|
||
127 | * Para el calculo de una esquina aplicamos la formula siguiente:<BR>
|
||
128 | * PtoX = originX + pixelSizeX * x + shearX * y;<BR>
|
||
129 | * PtoY = originY + shearY * x + pixelSizeY * y;<BR>
|
||
130 | * Aplicandolo a las cuatro esquinas sustituimos en cada una de ellas por.
|
||
131 | * </P>
|
||
132 | * <UL>
|
||
133 | * <LI>Esquina superior izquierda: x = 0; y = 0;</LI>
|
||
134 | * <LI>Esquina superior derecha: x = MaxX; y = 0;</LI>
|
||
135 | * <LI>Esquina inferior izquierda: x = 0; y = MaxY;</LI>
|
||
136 | * <LI>Esquina inferior derecha: x = MaxX; y = MaxY;</LI>
|
||
137 | * </UL>
|
||
138 | * <P>
|
||
139 | * quedandonos en los cuatro casos:
|
||
140 | * </P>
|
||
141 | * <UL>
|
||
142 | * <LI>Esquina superior izquierda: originX; originY;</LI>
|
||
143 | * <LI>Esquina superior derecha: PtoX = originX + pixelSizeX * x; PtoY = originY + shearY * x;</LI>
|
||
144 | * <LI>Esquina inferior izquierda: PtoX = originX + shearX * y; PtoY = originY + pixelSizeY * y;</LI>
|
||
145 | * <LI>Esquina inferior derecha: PtoX = originX + pixelSizeX * x + shearX * y; PtoY = originY + shearY * x + pixelSizeY * y;</LI>
|
||
146 | * </UL>
|
||
147 | *
|
||
148 | */
|
||
149 | private void boundingBoxFromGeoTransform(){ |
||
150 | double geoX = 0D, geoY = 0D; |
||
151 | |||
152 | //Upper left corner
|
||
153 | bBoxRot.add(new Point2D.Double(trans.adfgeotransform[0], trans.adfgeotransform[3])); |
||
154 | |||
155 | //Lower left corner
|
||
156 | geoX = trans.adfgeotransform[0] + trans.adfgeotransform[2] * height; |
||
157 | geoY = trans.adfgeotransform[3] + trans.adfgeotransform[5] * height; |
||
158 | bBoxRot.add(new Point2D.Double(geoX, geoY)); |
||
159 | |||
160 | //Upper right corner
|
||
161 | geoX = trans.adfgeotransform[0] + trans.adfgeotransform[1] * width; |
||
162 | geoY = trans.adfgeotransform[3] + trans.adfgeotransform[4] * width; |
||
163 | bBoxRot.add(new Point2D.Double(geoX, geoY)); |
||
164 | |||
165 | //Lower right corner
|
||
166 | geoX = trans.adfgeotransform[0] + trans.adfgeotransform[1] * width + trans.adfgeotransform[2] * height; |
||
167 | geoY = trans.adfgeotransform[3] + trans.adfgeotransform[4] * width + trans.adfgeotransform[5] * height; |
||
168 | bBoxRot.add(new Point2D.Double(geoX, geoY)); |
||
169 | |||
170 | //TODO: ?OJO! con coordenadas geogr?ficas
|
||
171 | } |
||
172 | |||
173 | /**
|
||
174 | * Calcula la bounding box en la que est? metido el raster teniendo en cuenta
|
||
175 | * el tama?o de pixel y la rotaci?n.
|
||
176 | */
|
||
177 | private void boundingBoxWithoutRotation(){ |
||
178 | double ox = trans.adfgeotransform[0]; |
||
179 | double oy = trans.adfgeotransform[3]; |
||
180 | double resx = trans.adfgeotransform[1]; |
||
181 | double resy = trans.adfgeotransform[5]; |
||
182 | |||
183 | bBoxWithoutRot.add(new Point2D.Double(ox, oy)); |
||
184 | bBoxWithoutRot.add(new Point2D.Double(ox + resx * width, oy)); |
||
185 | bBoxWithoutRot.add(new Point2D.Double(ox, oy + resy * height)); |
||
186 | bBoxWithoutRot.add(new Point2D.Double(ox + resx * width, oy + resy * height)); |
||
187 | |||
188 | //TODO: ?OJO! con coordenadas geogr?ficas
|
||
189 | } |
||
190 | |||
191 | 5990 | luisw2 | private void init(String fName) throws GdalException, IOException { |
192 | open(fName,GA_ReadOnly); |
||
193 | ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1); |
||
194 | if (ext.compareTo("tif") == 0) |
||
195 | WITH_OVERVIEWS = false;
|
||
196 | width = getRasterXSize(); |
||
197 | height = getRasterYSize(); |
||
198 | setDataType(this.getRasterBand(1).getRasterDataType()); |
||
199 | shortName = getDriverShortName(); |
||
200 | 5991 | nacho | metadata = new Metadata(getMetadata());
|
201 | |||
202 | //Asignamos la interpretaci?n de color leida por gdal a cada banda. Esto nos sirve
|
||
203 | //para saber que banda de la imagen va asignada a cada banda de visualizaci?n (ARGB)
|
||
204 | metadata.initColorInterpretation(getRasterCount()); |
||
205 | metadata.initNoDataByBand(getRasterCount()); |
||
206 | for(int i = 0; i < getRasterCount(); i++){ |
||
207 | GdalRasterBand rb = getRasterBand(i + 1);
|
||
208 | 7860 | nacho | String colorInt = getColorInterpretationName(rb.getRasterColorInterpretation());
|
209 | 5991 | nacho | metadata.setNoDataValue(i, rb.getRasterNoDataValue()); |
210 | metadata.setColorInterpValue(i, colorInt); |
||
211 | if(colorInt.equals("Red")) |
||
212 | rBandNr = i + 1;
|
||
213 | if(colorInt.equals("Green")) |
||
214 | gBandNr = i + 1;
|
||
215 | if(colorInt.equals("Blue")) |
||
216 | bBandNr = i + 1;
|
||
217 | if(colorInt.equals("Alpha")) |
||
218 | aBandNr = i + 1;
|
||
219 | } |
||
220 | |||
221 | double ox=0D, oy=0D, resx=0D, resy=0D; |
||
222 | try{
|
||
223 | trans = getGeoTransform(); |
||
224 | |||
225 | 8765 | jjdelcerro | boundingBoxWithoutRotation(); |
226 | boundingBoxFromGeoTransform(); |
||
227 | |||
228 | 6037 | nacho | this.georeferenced = true; |
229 | 5991 | nacho | }catch(GdalException exc){
|
230 | 8765 | jjdelcerro | bBoxRot.add(new Point2D.Double(0, 0)); |
231 | bBoxRot.add(new Point2D.Double(width, 0)); |
||
232 | bBoxRot.add(new Point2D.Double(0, height)); |
||
233 | bBoxRot.add(new Point2D.Double(width, height)); |
||
234 | bBoxWithoutRot = bBoxRot; |
||
235 | 6037 | nacho | this.georeferenced = false; |
236 | 5991 | nacho | } |
237 | 5990 | luisw2 | } |
238 | |||
239 | public void setAlpha(int a) { alpha = a; } |
||
240 | |||
241 | public void setDataType(int dt) { dataType = dt; } |
||
242 | public int getDataType() { return dataType; } |
||
243 | |||
244 | double lastReadLine = -1; |
||
245 | int currentFullWidth = -1; |
||
246 | int currentFullHeight = -1; |
||
247 | int currentViewWidth = -1; |
||
248 | int currentViewHeight = -1; |
||
249 | double currentViewX = 0D; |
||
250 | double currentViewY = 0D; |
||
251 | double viewportScaleX = 0D; |
||
252 | double viewportScaleY = 0D; |
||
253 | double wcWidth = 0D; |
||
254 | double stepX = 0D; |
||
255 | double stepY = 0D; |
||
256 | int currentOverview = -1; |
||
257 | |||
258 | protected GdalRasterBand bandR = null, bandG = null, bandB = null, bandA = null; |
||
259 | |||
260 | 8765 | jjdelcerro | private boolean[] orientation; |
261 | |||
262 | 5990 | luisw2 | /**
|
263 | * Devuelve la banda actualmente en uso para el color especificado.
|
||
264 | * @param color 0=Rojo, 1=Green, 2=Blue.
|
||
265 | * @return
|
||
266 | */
|
||
267 | public GdalRasterBand getCurrentBand(int color) { |
||
268 | if (color == 0) |
||
269 | return bandR;
|
||
270 | else if (color == 1) |
||
271 | return bandG;
|
||
272 | return bandB;
|
||
273 | } |
||
274 | 8765 | jjdelcerro | |
275 | //Supone rasters no girados
|
||
276 | 5990 | luisw2 | public Point2D worldToRaster(Point2D pt) { |
277 | 8765 | jjdelcerro | double x = (((double) currentFullWidth) / (bBoxWithoutRot.maxX - bBoxWithoutRot.minX)) * (pt.getX() - bBoxWithoutRot.minX); |
278 | double y = (((double) currentFullHeight) / (bBoxWithoutRot.maxY - bBoxWithoutRot.minY)) * (bBoxWithoutRot.maxY - pt.getY()); |
||
279 | 5990 | luisw2 | Point2D ptRes = new Point2D.Double(x, y); |
280 | return ptRes;
|
||
281 | } |
||
282 | |||
283 | 8765 | jjdelcerro | /**
|
284 | * Si el tama?o de pixel en X es menor que 0 entonces la imagen se orienta al contrario en X por lo que en los zooms
|
||
285 | * habr? que invertir la petici?n de la parte derecha a la izquierda y viceversa. Esto lo detectamos con la
|
||
286 | * variable orientation , si orientation[0] es false entonces el punto inicial del zoom lo invertimos de la
|
||
287 | * siguiente forma:
|
||
288 | * Nuevo_punto_inicialX = (Ancho_total_raster - punto_inicial_del_zoomX) - Ancho_de_petici?n
|
||
289 | *
|
||
290 | * Si el tama?o de pixel en Y es mayor que 0 entonces la imagen se orienta al contrario en Y por
|
||
291 | * lo que en los zooms habr? que invertir la petici?n de abajo a arriba y viceversa. Esto lo detectamos con la
|
||
292 | * variable orientation , si orientation[1] es true entonces el punto inicial del zoom lo invertimos de la
|
||
293 | * siguiente forma:
|
||
294 | * Nuevo_punto_inicialY = (Alto_total_raster - punto_inicial_del_zoomY) - Alto_de_petici?n
|
||
295 | *
|
||
296 | * @param dWorldTLX
|
||
297 | * @param dWorldTLY
|
||
298 | * @param dWorldBRX
|
||
299 | * @param dWorldBRY
|
||
300 | * @param nWidth
|
||
301 | * @param nHeight
|
||
302 | * @param orientation array de dos elementos que representa la orientaci?n de la petici?n en
|
||
303 | * X e Y. El primer elemento representa el signo de pixelSize en X, true si es positivo y false
|
||
304 | * si es negativo. El segundo elemento representa el signo de pixelSize en Y
|
||
305 | * @return
|
||
306 | */
|
||
307 | 5990 | luisw2 | public int setView(double dWorldTLX, double dWorldTLY, |
308 | double dWorldBRX, double dWorldBRY, |
||
309 | 8765 | jjdelcerro | int nWidth, int nHeight, boolean[] orientation) { |
310 | 5990 | luisw2 | int err = 0; |
311 | 8765 | jjdelcerro | this.orientation = orientation;
|
312 | 5990 | luisw2 | currentFullWidth = width; |
313 | currentFullHeight = height; |
||
314 | Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
||
315 | Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
||
316 | // Calcula cual es la primera l?nea a leer;
|
||
317 | currentViewWidth = nWidth; |
||
318 | currentViewHeight = nHeight; |
||
319 | wcWidth = Math.abs(br.getX() - tl.getX());
|
||
320 | |||
321 | 8765 | jjdelcerro | if(!orientation[0]) //Invierte la orientaci?n en X |
322 | currentViewX = (width - tl.getX()) - (br.getX()-tl.getX()); |
||
323 | else
|
||
324 | currentViewX = tl.getX(); |
||
325 | |||
326 | 5990 | luisw2 | viewportScaleX = (double) currentViewWidth/(br.getX()-tl.getX());
|
327 | viewportScaleY = (double) currentViewHeight/(br.getY()-tl.getY());
|
||
328 | stepX = 1D/viewportScaleX;
|
||
329 | stepY = 1D/viewportScaleY;
|
||
330 | 8765 | jjdelcerro | |
331 | if(orientation[1])//Invierte la orientaci?n en Y |
||
332 | lastReadLine = (height - tl.getY()) - (br.getY()-tl.getY()); |
||
333 | else
|
||
334 | lastReadLine = tl.getY(); |
||
335 | |||
336 | 5990 | luisw2 | try {
|
337 | // calcula el overview a usar
|
||
338 | bandR = getRasterBand(1);
|
||
339 | currentOverview = -1;
|
||
340 | if (WITH_OVERVIEWS && bandR.getOverviewCount() > 0) { |
||
341 | GdalRasterBand ovb = null;
|
||
342 | for (int i=bandR.getOverviewCount()-1; i>0; i--) { |
||
343 | ovb = bandR.getOverview(i); |
||
344 | if (ovb.getRasterBandXSize()>getRasterXSize()*viewportScaleX) {
|
||
345 | currentOverview = i; |
||
346 | viewportScaleX *= ((double) width/(double) ovb.getRasterBandXSize()); |
||
347 | 5991 | nacho | viewportScaleY *= ((double) height/(double) ovb.getRasterBandYSize()); |
348 | 5990 | luisw2 | stepX = 1D/viewportScaleX;
|
349 | 5991 | nacho | stepY = 1D/viewportScaleY;
|
350 | 5990 | luisw2 | currentFullWidth = ovb.getRasterBandXSize(); |
351 | currentFullHeight = ovb.getRasterBandYSize(); |
||
352 | tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
||
353 | 8765 | jjdelcerro | if(!orientation[0])//Invierte la orientaci?n en X |
354 | currentViewX = (width - tl.getX()) - (br.getX()-tl.getX()); |
||
355 | else
|
||
356 | currentViewX = tl.getX(); |
||
357 | if(orientation[1])//Invierte la orientaci?n en Y |
||
358 | lastReadLine = (height - tl.getY()) - (br.getY()-tl.getY()); |
||
359 | else
|
||
360 | lastReadLine = tl.getY(); |
||
361 | 5990 | luisw2 | break;
|
362 | } |
||
363 | } |
||
364 | } |
||
365 | |||
366 | // Selecciona las bandas y los overviews necesarios
|
||
367 | bandR = getRasterBand(rBandNr); |
||
368 | setDataType(bandR.getRasterDataType()); |
||
369 | 5991 | nacho | |
370 | 5990 | luisw2 | if (this.getRasterCount() > 1) { |
371 | bandG = getRasterBand(gBandNr); |
||
372 | 5991 | nacho | bandB = getRasterBand(bBandNr); |
373 | if(metadata.isAlphaBand())
|
||
374 | 5990 | luisw2 | bandA = getRasterBand(aBandNr); |
375 | } |
||
376 | if (currentOverview > 0) { |
||
377 | bandR = bandR.getOverview(currentOverview); |
||
378 | if (this.getRasterCount() > 1) { |
||
379 | bandG = bandG.getOverview(currentOverview); |
||
380 | bandB = bandB.getOverview(currentOverview); |
||
381 | 5991 | nacho | if(metadata.isAlphaBand())
|
382 | 5990 | luisw2 | bandA = bandA.getOverview(currentOverview); |
383 | } |
||
384 | } |
||
385 | |||
386 | } catch (GdalException e) {
|
||
387 | e.printStackTrace(); |
||
388 | } |
||
389 | return err;
|
||
390 | } |
||
391 | |||
392 | int lastY = -1; |
||
393 | |||
394 | public void readLine(int[][] line) throws GdalException { |
||
395 | int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
||
396 | int x = (int) Math.ceil(currentViewX); |
||
397 | int y = (int) Math.ceil(lastReadLine); |
||
398 | GdalBuffer r = null, g = null, b = null, p = null; |
||
399 | GdalBuffer a = new GdalBuffer();
|
||
400 | |||
401 | //if (alpha > 0) a = alpha << 24;
|
||
402 | if (x+w > bandR.getRasterBandXSize())
|
||
403 | w = bandR.getRasterBandXSize()-x; |
||
404 | |||
405 | if(bandR.getRasterColorTable() != null){ |
||
406 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
||
407 | a.buffByte = p.buffAPalette; |
||
408 | r = new GdalBuffer();
|
||
409 | r.buffByte = p.buffRPalette; |
||
410 | g = new GdalBuffer();
|
||
411 | g.buffByte = p.buffGPalette; |
||
412 | b = new GdalBuffer();
|
||
413 | b.buffByte = p.buffBPalette; |
||
414 | }else{
|
||
415 | a.buffByte = new byte[w]; |
||
416 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
||
417 | if (bandG != null) |
||
418 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
||
419 | if (bandB != null) |
||
420 | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
||
421 | } |
||
422 | 8765 | jjdelcerro | |
423 | lastReadLine += stepY; |
||
424 | 5990 | luisw2 | |
425 | int i=0; |
||
426 | double j = 0D; |
||
427 | double initOffset = Math.abs(currentViewX - ((int)currentViewX)); |
||
428 | |||
429 | if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){
|
||
430 | if (g == null){ // Sibgle Band (Typical DEM) |
||
431 | for (int k=0; k<4; k++){ |
||
432 | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
433 | if(k<3) |
||
434 | line[i][k] = (r.buffShort[(int) j] & 0xffff); |
||
435 | else
|
||
436 | line[i][3] = 0xff; |
||
437 | } |
||
438 | } |
||
439 | }else { // Multiband |
||
440 | //System.err.println("readLine(): Raster 16bits multibanda");
|
||
441 | GdalBuffer [] bands = {r,g,b};
|
||
442 | for (int k=0; k<4; k++){ |
||
443 | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
||
444 | if(k<3) |
||
445 | line[i][k] = (bands[k].buffShort[(int) j] & 0xffff); |
||
446 | else
|
||
447 | line[i][3] = 0xff; |
||
448 | } |
||
449 | } |
||
450 | } |
||
451 | }else if(dataType == GDT_Float32){ |
||
452 | GdalBuffer [] bands = {r,g,b};
|
||
453 | for (int k=0; k<4; k++){ |
||
454 | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
||
455 | if(k < 3) |
||
456 | line[i][k] = (int)bands[0].buffFloat[(int) j]; |
||
457 | else
|
||
458 | line[i][3] = 0xff; |
||
459 | } |
||
460 | } |
||
461 | } |
||
462 | |||
463 | return;
|
||
464 | } |
||
465 | |||
466 | 8765 | jjdelcerro | //int liney = 0;
|
467 | 5990 | luisw2 | int readLineRGBA(int [] line) throws GdalException { |
468 | int err = 0; |
||
469 | |||
470 | int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
||
471 | int x = (int) currentViewX; |
||
472 | int y = (int) lastReadLine; |
||
473 | GdalBuffer r = null, g = null, b = null, p = null; |
||
474 | GdalBuffer a = new GdalBuffer();
|
||
475 | |||
476 | while(y >= bandR.getRasterBandYSize())
|
||
477 | y--; |
||
478 | |||
479 | //if (alpha > 0) a = alpha << 24;
|
||
480 | if (x+w > bandR.getRasterBandXSize())
|
||
481 | w = bandR.getRasterBandXSize()-x; |
||
482 | 8765 | jjdelcerro | |
483 | 5990 | luisw2 | if(bandR.getRasterColorTable() != null){ |
484 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
||
485 | a.buffByte = p.buffAPalette; |
||
486 | r = new GdalBuffer();
|
||
487 | r.buffByte = p.buffRPalette; |
||
488 | g = new GdalBuffer();
|
||
489 | g.buffByte = p.buffGPalette; |
||
490 | b = new GdalBuffer();
|
||
491 | b.buffByte = p.buffBPalette; |
||
492 | 8765 | jjdelcerro | }else{
|
493 | 5991 | nacho | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
494 | if (bandG != null) |
||
495 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
||
496 | if (bandB != null) |
||
497 | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
||
498 | |||
499 | if(metadata.isAlphaBand()){
|
||
500 | //if(getRasterCount() == 4 && shortName.equals("PNG")){
|
||
501 | a = bandA.readRaster(x, y, w, 1, w, 1, GDT_Byte); |
||
502 | 5990 | luisw2 | }else{
|
503 | a.buffByte = new byte[w]; |
||
504 | for (int i = 0;i < w;i++) |
||
505 | a.buffByte[i] = (byte)255; |
||
506 | } |
||
507 | } |
||
508 | 8765 | jjdelcerro | |
509 | lastReadLine += stepY; |
||
510 | 5991 | nacho | |
511 | 5990 | luisw2 | int i=0; |
512 | double j = Math.abs(currentViewX - ((int)currentViewX)); |
||
513 | int alpha = (this.alpha & 0xff) << 24; |
||
514 | 8765 | jjdelcerro | |
515 | if(orientation[0]){ //Pixel size en X positivo |
||
516 | if (dataType == GDT_Byte){
|
||
517 | if (g != null) |
||
518 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
519 | int jInt = (int)(j); |
||
520 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
||
521 | } |
||
522 | else
|
||
523 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
524 | int jInt = (int)(j); |
||
525 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
||
526 | } |
||
527 | }else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
||
528 | if (g == null) // Sibgle Band (Typical DEM) |
||
529 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
530 | int jInt = (int)(j); |
||
531 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
||
532 | } |
||
533 | else { // Multiband - Raster 16bits multibanda |
||
534 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
535 | int jInt = (int)(j); |
||
536 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
||
537 | (((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
||
538 | (((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
||
539 | } |
||
540 | } |
||
541 | } |
||
542 | }else{ //Pixel size en X negativo |
||
543 | if (dataType == GDT_Byte){
|
||
544 | if (g != null) |
||
545 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
546 | int jInt = (int)(j); |
||
547 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
||
548 | } |
||
549 | else
|
||
550 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
551 | int jInt = (int)(j); |
||
552 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
||
553 | } |
||
554 | }else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
||
555 | if (g == null) // Sibgle Band (Typical DEM) |
||
556 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
557 | int jInt = (int)(j); |
||
558 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
||
559 | } |
||
560 | else { // Multiband - Raster 16bits multibanda; |
||
561 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
562 | int jInt = (int)(j); |
||
563 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
||
564 | (((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
||
565 | (((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
||
566 | } |
||
567 | } |
||
568 | } |
||
569 | |||
570 | } |
||
571 | |||
572 | 5990 | luisw2 | return err;
|
573 | } |
||
574 | |||
575 | /**
|
||
576 | * Lee una franja de la imagen.
|
||
577 | * @param bandH Altura de la franja
|
||
578 | * @param bufH Altura del buffer
|
||
579 | * @param buf Buffer con la franja (retorno)
|
||
580 | * @return
|
||
581 | * @throws GdalException
|
||
582 | */
|
||
583 | public int readBandRGBA(int bandH, int bufH, int [] buf) throws GdalException { |
||
584 | int err = 0; |
||
585 | int w = (int)(((double)currentViewWidth)*stepX); |
||
586 | int x = (int)(((double)currentViewX)*stepX); |
||
587 | int y = (int) lastReadLine; |
||
588 | int h = (int) (((double)bandH)*stepX); |
||
589 | System.out.println("Leyendo "+y); |
||
590 | GdalBuffer r = null, g = null, b = null, p = null; |
||
591 | GdalBuffer a = new GdalBuffer();
|
||
592 | |||
593 | if (x+w > bandR.getRasterBandXSize())
|
||
594 | w = bandR.getRasterBandXSize()-x; |
||
595 | |||
596 | if(bandR.getRasterColorTable() != null){ |
||
597 | p = bandR.readRasterWithPalette(x, y, w, h, w, h, GDT_Byte); |
||
598 | a.buffByte = p.buffAPalette; |
||
599 | r = new GdalBuffer();
|
||
600 | r.buffByte = p.buffRPalette; |
||
601 | g = new GdalBuffer();
|
||
602 | g.buffByte = p.buffGPalette; |
||
603 | b = new GdalBuffer();
|
||
604 | b.buffByte = p.buffBPalette; |
||
605 | }else{
|
||
606 | 5991 | nacho | r = bandR.readRaster(x, y, w, h, w, h, dataType); |
607 | if (bandG != null) |
||
608 | g = bandG.readRaster(x, y, w, h, w, h, dataType); |
||
609 | if (bandB != null) |
||
610 | b = bandB.readRaster(x, y, w, h, w, h, dataType); |
||
611 | |||
612 | if(metadata.isAlphaBand()){
|
||
613 | //if(getRasterCount() == 4 && shortName.equals("PNG")){
|
||
614 | 5990 | luisw2 | a = bandA.readRaster(x, y, w, h, w, h, GDT_Byte); |
615 | }else{
|
||
616 | a.buffByte = new byte[w]; |
||
617 | for (int i = 0;i < w*h;i++) |
||
618 | a.buffByte[i] = (byte)255; |
||
619 | } |
||
620 | } |
||
621 | 8765 | jjdelcerro | |
622 | lastReadLine += ((double)bandH)*stepY;
|
||
623 | 5990 | luisw2 | |
624 | // TODO Acabar de implementarlo
|
||
625 | float k=0F; |
||
626 | int alpha = (this.alpha & 0xff) << 24; |
||
627 | for (int j=0, t=0; j<bandH; j++) { |
||
628 | k = j*w; t=j*currentViewWidth; |
||
629 | for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=stepX) { |
||
630 | buf[t+i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + ((r.buffByte[(int) k]) << 16) + ((g.buffByte[(int) k]) << 8) + b.buffByte[(int) k]; |
||
631 | } |
||
632 | } |
||
633 | |||
634 | return err;
|
||
635 | |||
636 | } |
||
637 | |||
638 | 8765 | jjdelcerro | /* (non-Javadoc)
|
639 | * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
||
640 | */
|
||
641 | public Object[] getData(int x, int y) { |
||
642 | try {
|
||
643 | Object[] data = new Object[getRasterCount()]; |
||
644 | for(int i = 0; i < getRasterCount(); i++){ |
||
645 | GdalRasterBand rb = getRasterBand(i + 1);
|
||
646 | GdalBuffer r = rb.readRaster(x, y, 1, 1, 1, 1, dataType); |
||
647 | switch(dataType){
|
||
648 | case 0: break; //Sin tipo |
||
649 | case 1: data[i] = new Integer(r.buffByte[0]); //Buffer byte (8) |
||
650 | break;
|
||
651 | case 2: //Buffer short (16) |
||
652 | case 3: data[i] = new Integer(r.buffShort[0]); //Buffer short (16) |
||
653 | break;
|
||
654 | case 4: //Buffer int (32) |
||
655 | case 5: data[i] = new Integer(r.buffInt[0]); //Buffer int (32) |
||
656 | break;
|
||
657 | case 6: data[i] = new Float(r.buffFloat[0]); //Buffer float (32) |
||
658 | break;
|
||
659 | case 7: data[i] = new Double(r.buffDouble[0]); //Buffer double (64) |
||
660 | break;
|
||
661 | } |
||
662 | } |
||
663 | return data;
|
||
664 | } catch (GdalException e) {
|
||
665 | return null; |
||
666 | } |
||
667 | } |
||
668 | |||
669 | 5990 | luisw2 | void pintaInfo() {
|
670 | try {
|
||
671 | //System.out.println("Origin = "+originX+","+originY);
|
||
672 | //System.out.println("Origin = "+this.);
|
||
673 | System.out.println("GeoTransform:"); |
||
674 | GeoTransform trans = getGeoTransform(); |
||
675 | for (int i=0; i<6; i++) |
||
676 | System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
||
677 | System.out.println("Metadata:"); |
||
678 | String [] metadata = getMetadata(); |
||
679 | for (int i=0; i<metadata.length; i++) { |
||
680 | System.out.println(metadata[i]);
|
||
681 | } |
||
682 | } catch (GdalException e) {
|
||
683 | |||
684 | } |
||
685 | |||
686 | } |
||
687 | |||
688 | void pintaPaleta() {
|
||
689 | } |
||
690 | |||
691 | public int getBlockSize(){ |
||
692 | return this.getBlockSize(); |
||
693 | } |
||
694 | 5991 | nacho | |
695 | /**
|
||
696 | * Obtiene el objeto que contiene los metadatos
|
||
697 | */
|
||
698 | public Metadata getMetadataJavaObject() {
|
||
699 | return metadata;
|
||
700 | } |
||
701 | 6037 | nacho | |
702 | /**
|
||
703 | * Obtiene el flag que dice si la imagen est? o no georreferenciada
|
||
704 | * @return true si est? georreferenciada y false si no lo est?.
|
||
705 | */
|
||
706 | public boolean isGeoreferenced() { |
||
707 | return georeferenced;
|
||
708 | } |
||
709 | 5990 | luisw2 | } |
710 | |||
711 | /**
|
||
712 | * @author Luis W. Sevilla
|
||
713 | */
|
||
714 | public class GdalFile extends GeoRasterFile { |
||
715 | public final static int BAND_HEIGHT = 64; |
||
716 | protected GdalNative file = null; |
||
717 | |||
718 | private Extent v = null; |
||
719 | |||
720 | 9056 | nacho | public GdalFile(IProjection proj, String fName)throws NotSupportedExtensionException{ |
721 | 5990 | luisw2 | super(proj, fName);
|
722 | extent = new Extent();
|
||
723 | try {
|
||
724 | file = new GdalNative(fName);
|
||
725 | load(); |
||
726 | readGeoInfo(fName); |
||
727 | bandCount = file.getRasterCount(); |
||
728 | if ( bandCount > 2) { |
||
729 | setBand(RED_BAND, 0);
|
||
730 | setBand(GREEN_BAND, 1);
|
||
731 | setBand(BLUE_BAND, 2);
|
||
732 | } else
|
||
733 | setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
||
734 | 9056 | nacho | } catch (GdalException e) {
|
735 | throw new NotSupportedExtensionException("Extension not supported"); |
||
736 | 5990 | luisw2 | } catch(Exception e){ |
737 | System.out.println("Error en GdalOpen"); |
||
738 | e.printStackTrace(); |
||
739 | file = null;
|
||
740 | } |
||
741 | |||
742 | switch(file.getDataType()){
|
||
743 | case 1:setDataType(DataBuffer.TYPE_BYTE);break;//GDT_BYTE |
||
744 | case 2://GDT_UInt16 |
||
745 | case 3:setDataType(DataBuffer.TYPE_SHORT);break;//GDT_Int16 |
||
746 | case 4://GDT_UInt32 |
||
747 | case 5:setDataType(DataBuffer.TYPE_INT);break;//GDT_Int32 |
||
748 | case 6:setDataType(DataBuffer.TYPE_FLOAT);break;//GDT_Float32 |
||
749 | case 7:setDataType(DataBuffer.TYPE_DOUBLE);break;//GDT_Float64 |
||
750 | case 8:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt16 |
||
751 | case 9:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt32 |
||
752 | case 10:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat32 |
||
753 | case 11:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat64 |
||
754 | } |
||
755 | |||
756 | } |
||
757 | |||
758 | /**
|
||
759 | * Obtenemos o calculamos el extent de la imagen.
|
||
760 | */
|
||
761 | public GeoFile load() {
|
||
762 | 8765 | jjdelcerro | extent = new Extent(file.bBoxRot.minX, file.bBoxRot.minY, file.bBoxRot.maxX, file.bBoxRot.maxY);
|
763 | requestExtent = new Extent(file.bBoxWithoutRot.minX, file.bBoxWithoutRot.minY, file.bBoxWithoutRot.maxX, file.bBoxWithoutRot.maxY);
|
||
764 | 5990 | luisw2 | return this; |
765 | } |
||
766 | |||
767 | /**
|
||
768 | * Cierra el fichero de imagen
|
||
769 | */
|
||
770 | public void close() { |
||
771 | try {
|
||
772 | if(file != null){ |
||
773 | file.close(); |
||
774 | file = null;
|
||
775 | } |
||
776 | } catch (GdalException e) {
|
||
777 | // TODO Auto-generated catch block
|
||
778 | e.printStackTrace(); |
||
779 | } |
||
780 | } |
||
781 | |||
782 | /**
|
||
783 | * Asigna a cada banda R,G o B una banda de la imagen
|
||
784 | */
|
||
785 | public void setBand(int flag, int bandNr) { |
||
786 | super.setBand(flag, bandNr);
|
||
787 | if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
||
788 | if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
||
789 | if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
||
790 | } |
||
791 | |||
792 | /**
|
||
793 | * Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n
|
||
794 | * de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v)
|
||
795 | * ha de estar en coordenadas del fichero.
|
||
796 | */
|
||
797 | public void setView(Extent e) { |
||
798 | if(rmfExists){
|
||
799 | 8765 | jjdelcerro | |
800 | 5990 | luisw2 | Point2D.Double petInit = null, petEnd = null; |
801 | try{
|
||
802 | petInit = new Point2D.Double(e.minX(), e.maxY()); |
||
803 | petEnd = new Point2D.Double(e.maxX(), e.minY()); |
||
804 | 8765 | jjdelcerro | transformRMF.inverseTransform(petInit, petInit); |
805 | transformRMF.inverseTransform(petEnd, petEnd); |
||
806 | transformTFW.transform(petInit, petInit); |
||
807 | transformTFW.transform(petEnd, petEnd); |
||
808 | 5990 | luisw2 | }catch(NoninvertibleTransformException ex){} |
809 | 8765 | jjdelcerro | double h = file.bBoxWithoutRot.maxY - file.bBoxWithoutRot.minY;
|
810 | if(!file.isGeoreferenced())
|
||
811 | v = new Extent( petInit.getX(), h - petInit.getY(), petEnd.getX(), h - petEnd.getY());
|
||
812 | else
|
||
813 | v = new Extent( petInit.getX(), petInit.getY(), petEnd.getX(), petEnd.getY());
|
||
814 | 5990 | luisw2 | |
815 | }else
|
||
816 | v = new Extent(e.minX(), e.minY(), e.maxX(), e.maxY());
|
||
817 | } |
||
818 | 8765 | jjdelcerro | |
819 | /**
|
||
820 | * Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
|
||
821 | * asociado. En Gdal el origen de coordenadas en Y es el valor m?nimo y crece hasta el m?ximo. De la
|
||
822 | * misma forma calcula la matriz de transformaci?n de la cabecera del fichero o del world file asociado
|
||
823 | * @param originX Origen de la imagen en la coordenada X
|
||
824 | * @param originY Origen de la imagen en la coordenada Y
|
||
825 | */
|
||
826 | public void setExtentTransform(double originX, double originY, double psX, double psY) { |
||
827 | transformRMF.setToTranslation(originX, originY); |
||
828 | transformRMF.scale(psX, psY); |
||
829 | 5990 | luisw2 | |
830 | 8765 | jjdelcerro | if(file.trans != null){ |
831 | transformTFW.setToTranslation(file.trans.adfgeotransform[0], file.trans.adfgeotransform[3]); |
||
832 | transformTFW.scale(file.trans.adfgeotransform[1], file.trans.adfgeotransform[5]); |
||
833 | } |
||
834 | } |
||
835 | |||
836 | 5990 | luisw2 | /**
|
837 | * Obtiene extent de la vista actual
|
||
838 | */
|
||
839 | public Extent getView() {
|
||
840 | return v;
|
||
841 | } |
||
842 | |||
843 | /**
|
||
844 | * Obtiene la anchura del fichero
|
||
845 | */
|
||
846 | public int getWidth() { |
||
847 | return file.width;
|
||
848 | } |
||
849 | |||
850 | /**
|
||
851 | * Obtiene la altura del fichero
|
||
852 | */
|
||
853 | public int getHeight() { |
||
854 | return file.height;
|
||
855 | } |
||
856 | |||
857 | /* (non-Javadoc)
|
||
858 | * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
||
859 | */
|
||
860 | public void reProject(ICoordTrans rp) { |
||
861 | // TODO Auto-generated method stub
|
||
862 | } |
||
863 | |||
864 | 8765 | jjdelcerro | /**
|
865 | * Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder
|
||
866 | * asignarlo en el setView. Esto es util para poder conocer como debe leerse la image,
|
||
867 | * de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda.
|
||
868 | * La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose
|
||
869 | * en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son:
|
||
870 | * <UL>
|
||
871 | * <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
|
||
872 | * <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
|
||
873 | * <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
|
||
874 | * <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
|
||
875 | * </UL>
|
||
876 | *
|
||
877 | * @return
|
||
878 | */
|
||
879 | private boolean[] getOrientation(){ |
||
880 | boolean[] orientation = {true, false}; |
||
881 | if(!rmfExists){
|
||
882 | if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[5] > 0) |
||
883 | orientation[1] = true; |
||
884 | if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[1] < 0) |
||
885 | orientation[0] = false; |
||
886 | }else{
|
||
887 | if(rmfTransform.getScaleY() > 0) |
||
888 | orientation[1] = true; |
||
889 | if(rmfTransform.getScaleX() < 0) |
||
890 | orientation[0] = false; |
||
891 | } |
||
892 | return orientation;
|
||
893 | } |
||
894 | |||
895 | 5990 | luisw2 | /* (non-Javadoc)
|
896 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
||
897 | */
|
||
898 | public Image updateImage(int width, int height, ICoordTrans rp) { |
||
899 | int line, pRGBArray[] = null; |
||
900 | Image image = null; |
||
901 | |||
902 | if (mustVerifySize()) {
|
||
903 | // Work out the correct aspect for the setView call.
|
||
904 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
905 | double dWindowAspect = (double)width /(double)height; |
||
906 | |||
907 | if (dFileAspect > dWindowAspect) {
|
||
908 | height =(int)((double)width/dFileAspect); |
||
909 | } else {
|
||
910 | width = (int)((double)height*dFileAspect); |
||
911 | } |
||
912 | } |
||
913 | 8765 | jjdelcerro | |
914 | // Set the view
|
||
915 | 5990 | luisw2 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
916 | 8765 | jjdelcerro | width, height, getOrientation()); |
917 | 5990 | luisw2 | |
918 | if(width<=0)width=1; |
||
919 | if(height<=0)height=1; |
||
920 | |||
921 | image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
||
922 | //image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
||
923 | pRGBArray = new int[width/**BAND_HEIGHT*/]; |
||
924 | try {
|
||
925 | //int nLin = height % BAND_HEIGHT;
|
||
926 | file.setAlpha(getAlpha()); |
||
927 | setBand(RED_BAND, rBandNr); |
||
928 | setBand(GREEN_BAND, gBandNr); |
||
929 | setBand(BLUE_BAND, bBandNr); |
||
930 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
931 | //int bandH = Math.min(BAND_HEIGHT, height-line);
|
||
932 | //file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
||
933 | file.readLineRGBA(pRGBArray); |
||
934 | setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
||
935 | } |
||
936 | } catch (Exception e) { |
||
937 | // TODO Auto-generated catch block
|
||
938 | e.printStackTrace(); |
||
939 | } |
||
940 | |||
941 | return image;
|
||
942 | } |
||
943 | |||
944 | public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
||
945 | int line;
|
||
946 | RasterBuf raster = null;
|
||
947 | |||
948 | if(mustVerifySize()){
|
||
949 | // Work out the correct aspect for the setView call.
|
||
950 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
951 | double dWindowAspect = (double)width /(double)height; |
||
952 | |||
953 | if (dFileAspect > dWindowAspect) {
|
||
954 | height =(int)((double)width/dFileAspect); |
||
955 | } else {
|
||
956 | width = (int)((double)height*dFileAspect); |
||
957 | } |
||
958 | } |
||
959 | |||
960 | // Set the view
|
||
961 | 8765 | jjdelcerro | boolean[] orientation = getOrientation(); |
962 | 5990 | luisw2 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
963 | 8765 | jjdelcerro | width, height, orientation); |
964 | 5990 | luisw2 | |
965 | raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0)); |
||
966 | try {
|
||
967 | 8765 | jjdelcerro | |
968 | 5990 | luisw2 | file.setAlpha(getAlpha()); |
969 | setBand(RED_BAND, rBandNr); |
||
970 | setBand(GREEN_BAND, gBandNr); |
||
971 | setBand(BLUE_BAND, bBandNr); |
||
972 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
973 | file.readLine(raster.getLineInt(line)); |
||
974 | } |
||
975 | } catch (Exception e) { |
||
976 | e.printStackTrace(); |
||
977 | } |
||
978 | |||
979 | return raster;
|
||
980 | } |
||
981 | |||
982 | /**
|
||
983 | * Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
||
984 | * vector de enteros.
|
||
985 | * @param image imagen con los datos actuales
|
||
986 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
987 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
988 | * @param w Ancho de la imagen
|
||
989 | * @param h Alto de la imagen
|
||
990 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
991 | * @param offset desplazamiento
|
||
992 | * @param scansize tama?o de imagen recorrida por cada p
|
||
993 | */
|
||
994 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
995 | int offset, int scansize) { |
||
996 | image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
||
997 | } |
||
998 | |||
999 | /**
|
||
1000 | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
||
1001 | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
||
1002 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
1003 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
1004 | * @param image imagen con los datos actuales
|
||
1005 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
1006 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
1007 | * @param w Ancho de la imagen
|
||
1008 | * @param h Alto de la imagen
|
||
1009 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
1010 | * @param offset desplazamiento
|
||
1011 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
1012 | * @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
1013 | */
|
||
1014 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
1015 | int offset, int scansize, int flags) { |
||
1016 | int [] line = new int[rgbArray.length]; |
||
1017 | image.getRGB(startX, startY, w, h, line, offset, scansize); |
||
1018 | if (flags == GeoRasterFile.RED_BAND)
|
||
1019 | for (int i=0; i<line.length; i++) |
||
1020 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
1021 | else if (flags == GeoRasterFile.GREEN_BAND) |
||
1022 | for (int i=0; i<line.length; i++) |
||
1023 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
1024 | else if (flags == GeoRasterFile.BLUE_BAND) |
||
1025 | for (int i=0; i<line.length; i++) |
||
1026 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
1027 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
1028 | } |
||
1029 | |||
1030 | /**
|
||
1031 | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
||
1032 | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
||
1033 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
1034 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
1035 | * @param image imagen con los datos actuales
|
||
1036 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
1037 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
1038 | * @param w Ancho de la imagen
|
||
1039 | * @param h Alto de la imagen
|
||
1040 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
1041 | * @param offset desplazamiento
|
||
1042 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
1043 | * @param origBand Banda origen del GeoRasterFile
|
||
1044 | * @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
1045 | */
|
||
1046 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
1047 | int offset, int scansize, int origBand, int destBandFlag) { |
||
1048 | int [] line = new int[rgbArray.length]; |
||
1049 | image.getRGB(startX, startY, w, h, line, offset, scansize); |
||
1050 | if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
||
1051 | for (int i=0; i<line.length; i++) |
||
1052 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
1053 | else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
1054 | for (int i=0; i<line.length; i++) |
||
1055 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
1056 | else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
1057 | for (int i=0; i<line.length; i++) |
||
1058 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
1059 | |||
1060 | else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
1061 | for (int i=0; i<line.length; i++) |
||
1062 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
||
1063 | else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
1064 | for (int i=0; i<line.length; i++) |
||
1065 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
||
1066 | else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
||
1067 | for (int i=0; i<line.length; i++) |
||
1068 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
||
1069 | |||
1070 | else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
1071 | for (int i=0; i<line.length; i++) |
||
1072 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
||
1073 | else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
||
1074 | for (int i=0; i<line.length; i++) |
||
1075 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
||
1076 | else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
1077 | for (int i=0; i<line.length; i++) |
||
1078 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
||
1079 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
1080 | } |
||
1081 | |||
1082 | private void showOnOpen() { |
||
1083 | // Report en la apertura (quitar)
|
||
1084 | System.out.println("Fichero GDAL '"+getName()+"' abierto."); |
||
1085 | System.out.println("Version = "+file.version); |
||
1086 | System.out.println(" Size = ("+file.width+","+file.height+")"); |
||
1087 | try {
|
||
1088 | System.out.println(" NumBands = ("+file.getRasterCount()+")"); |
||
1089 | } catch (GdalException e) {
|
||
1090 | // TODO Auto-generated catch block
|
||
1091 | e.printStackTrace(); |
||
1092 | } |
||
1093 | //file.pintaInfo();
|
||
1094 | file.pintaPaleta(); |
||
1095 | |||
1096 | } |
||
1097 | |||
1098 | /* (non-Javadoc)
|
||
1099 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
||
1100 | */
|
||
1101 | public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
||
1102 | int line, pRGBArray[] = null; |
||
1103 | |||
1104 | if(mustVerifySize()){
|
||
1105 | // Work out the correct aspect for the setView call.
|
||
1106 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
1107 | double dWindowAspect = (double)width /(double)height; |
||
1108 | |||
1109 | if (dFileAspect > dWindowAspect) {
|
||
1110 | height =(int)((double)width/dFileAspect); |
||
1111 | } else {
|
||
1112 | width = (int)((double)height*dFileAspect); |
||
1113 | } |
||
1114 | } |
||
1115 | |||
1116 | // Set the view
|
||
1117 | 8765 | jjdelcerro | boolean[] orientation = getOrientation(); |
1118 | 5990 | luisw2 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
1119 | 8765 | jjdelcerro | width, height, orientation); |
1120 | 5990 | luisw2 | |
1121 | if(width<=0)width=1; |
||
1122 | if(height<=0)height=1; |
||
1123 | |||
1124 | 8765 | jjdelcerro | pRGBArray = new int[width]; |
1125 | 5990 | luisw2 | try {
|
1126 | setBand(RED_BAND, rBandNr); |
||
1127 | setBand(GREEN_BAND, gBandNr); |
||
1128 | setBand(BLUE_BAND, bBandNr); |
||
1129 | file.setAlpha(getAlpha()); |
||
1130 | if(img!=null){ |
||
1131 | 8765 | jjdelcerro | if(orientation[1]){ |
1132 | for (line=0; line < height; line++) { |
||
1133 | file.readLineRGBA(pRGBArray); |
||
1134 | setRGBLine((BufferedImage) img, 0, height - 1 - line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
||
1135 | } |
||
1136 | }else{
|
||
1137 | for (line=0; line < height; line++) { |
||
1138 | file.readLineRGBA(pRGBArray); |
||
1139 | setRGBLine((BufferedImage) img, 0, line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
||
1140 | } |
||
1141 | 5990 | luisw2 | } |
1142 | return img;
|
||
1143 | }else{
|
||
1144 | Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
||
1145 | 8765 | jjdelcerro | if(orientation[1]){ |
1146 | for (line=0; line < height; line++) { |
||
1147 | file.readLineRGBA(pRGBArray); |
||
1148 | setRGBLine((BufferedImage) image, 0, height - 1 - line, width, 1, pRGBArray, 0, width); |
||
1149 | } |
||
1150 | }else{
|
||
1151 | for (line=0; line < height; line++) { |
||
1152 | file.readLineRGBA(pRGBArray); |
||
1153 | setRGBLine((BufferedImage) image, 0, line, width, 1, pRGBArray, 0, width); |
||
1154 | } |
||
1155 | 5990 | luisw2 | } |
1156 | return image;
|
||
1157 | } |
||
1158 | } catch (Exception e) { |
||
1159 | // TODO Auto-generated catch block
|
||
1160 | e.printStackTrace(); |
||
1161 | } |
||
1162 | |||
1163 | return img;
|
||
1164 | } |
||
1165 | |||
1166 | /* (non-Javadoc)
|
||
1167 | * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
||
1168 | */
|
||
1169 | public Object getData(int x, int y, int band) { |
||
1170 | 8765 | jjdelcerro | if(file != null){ |
1171 | Object[] data = file.getData(x, y); |
||
1172 | return data[band];
|
||
1173 | } |
||
1174 | 5990 | luisw2 | return null; |
1175 | } |
||
1176 | |||
1177 | /**
|
||
1178 | * Devuelve los datos de una ventana solicitada
|
||
1179 | * @param ulX coordenada X superior izda.
|
||
1180 | * @param ulY coordenada Y superior derecha.
|
||
1181 | * @param sizeX tama?o en X de la ventana.
|
||
1182 | * @param sizeY tama?o en Y de la ventana.
|
||
1183 | * @param band Banda solicitada.
|
||
1184 | */
|
||
1185 | public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
||
1186 | |||
1187 | return null; |
||
1188 | } |
||
1189 | |||
1190 | /**
|
||
1191 | * Obtiene la zona (Norte / Sur)
|
||
1192 | * @return true si la zona es norte y false si es sur
|
||
1193 | */
|
||
1194 | |||
1195 | public boolean getZone(){ |
||
1196 | |||
1197 | return false; |
||
1198 | } |
||
1199 | |||
1200 | /**
|
||
1201 | *Devuelve el n?mero de zona UTM
|
||
1202 | *@return N?mero de zona
|
||
1203 | */
|
||
1204 | |||
1205 | public int getUTM(){ |
||
1206 | |||
1207 | return 0; |
||
1208 | } |
||
1209 | |||
1210 | /**
|
||
1211 | * Obtiene el sistema de coordenadas geograficas
|
||
1212 | * @return Sistema de coordenadas geogr?ficas
|
||
1213 | */
|
||
1214 | public String getGeogCS(){ |
||
1215 | |||
1216 | return new String(""); |
||
1217 | } |
||
1218 | |||
1219 | /**
|
||
1220 | * Devuelve el tama?o de bloque
|
||
1221 | * @return Tama?o de bloque
|
||
1222 | */
|
||
1223 | public int getBlockSize(){ |
||
1224 | return file.getBlockSize();
|
||
1225 | } |
||
1226 | |||
1227 | 5991 | nacho | /**
|
1228 | * Obtiene el objeto que contiene los metadatos
|
||
1229 | */
|
||
1230 | public Metadata getMetadata() {
|
||
1231 | 6961 | nacho | if(file != null) |
1232 | return file.getMetadataJavaObject();
|
||
1233 | else
|
||
1234 | return null; |
||
1235 | 5991 | nacho | } |
1236 | 6037 | nacho | |
1237 | /**
|
||
1238 | * Obtiene el flag que dice si la imagen est? o no georreferenciada
|
||
1239 | * @return true si est? georreferenciada y false si no lo est?.
|
||
1240 | */
|
||
1241 | public boolean isGeoreferenced() { |
||
1242 | return file.isGeoreferenced();
|
||
1243 | } |
||
1244 | 5990 | luisw2 | |
1245 | 8765 | jjdelcerro | /**
|
1246 | * Obtiene los par?metros de la transformaci?n af?n que corresponde con los elementos de
|
||
1247 | * un fichero tfw.
|
||
1248 | * <UL>
|
||
1249 | * <LI>[1]tama?o de pixel en X</LI>
|
||
1250 | * <LI>[2]rotaci?n en X</LI>
|
||
1251 | * <LI>[4]rotaci?n en Y</LI>
|
||
1252 | * <LI>[5]tama?o de pixel en Y</LI>
|
||
1253 | * <LI>[0]origen en X</LI>
|
||
1254 | * <LI>[3]origen en Y</LI>
|
||
1255 | * </UL>
|
||
1256 | * Este m?todo debe ser reimplementado por el driver si tiene esta informaci?n. En principio
|
||
1257 | * Gdal es capaz de proporcionarla de esta forma.
|
||
1258 | *
|
||
1259 | * En caso de que exista fichero .rmf asociado al raster pasaremos de la informaci?n de georreferenciaci?n
|
||
1260 | * del .tfw y devolveremos la que est? asociada al rmf
|
||
1261 | * @return vector de double con los elementos de la transformaci?n af?n.
|
||
1262 | */
|
||
1263 | public double[] getTransform(){ |
||
1264 | if(file != null && file.trans != null && !this.rmfExists()) |
||
1265 | return file.trans.adfgeotransform;
|
||
1266 | else{
|
||
1267 | if(this.rmfExists){ |
||
1268 | double[] rmfGeoref = { rmfTransform.getTranslateX(), |
||
1269 | rmfTransform.getScaleX(), |
||
1270 | rmfTransform.getShearX(), |
||
1271 | rmfTransform.getTranslateY(), |
||
1272 | rmfTransform.getShearY(), |
||
1273 | rmfTransform.getScaleY()}; |
||
1274 | return rmfGeoref;
|
||
1275 | } |
||
1276 | return null; |
||
1277 | } |
||
1278 | |||
1279 | } |
||
1280 | 5990 | luisw2 | } |
1281 |