gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.io / org.gvsig.raster.io.base / src / main / java / org / gvsig / fmap / dal / coverage / dataset / io / MemoryRasterDriver.java @ 162
History | View | Annotate | Download (29.8 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
package org.gvsig.fmap.dal.coverage.dataset.io; |
23 |
|
24 |
import java.awt.geom.AffineTransform; |
25 |
import java.awt.geom.Point2D; |
26 |
import java.awt.geom.Rectangle2D; |
27 |
|
28 |
import org.cresques.cts.ICoordTrans; |
29 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
30 |
import org.gvsig.fmap.dal.coverage.dataset.io.param.MemoryStoreParameters; |
31 |
import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
32 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
33 |
import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
34 |
import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
35 |
import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
36 |
import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
37 |
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
38 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
39 |
import org.gvsig.metadata.MetadataLocator; |
40 |
import org.gvsig.raster.impl.datastruct.ExtentImpl; |
41 |
import org.gvsig.raster.impl.provider.DefaultRasterProvider; |
42 |
import org.gvsig.raster.impl.provider.RasterProvider; |
43 |
import org.gvsig.raster.impl.store.AbstractRasterStoreParameters; |
44 |
import org.gvsig.raster.impl.store.properties.DataStoreTransparency; |
45 |
import org.gvsig.tools.ToolsLocator; |
46 |
import org.gvsig.tools.extensionpoint.ExtensionPoint; |
47 |
import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
48 |
|
49 |
/**
|
50 |
* Driver para datos cargados en un objeto IBuffer
|
51 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
52 |
*
|
53 |
*/
|
54 |
public class MemoryRasterDriver extends DefaultRasterProvider { |
55 |
public static String NAME = "Gdal Store"; |
56 |
public static String DESCRIPTION = "Gdal Raster file"; |
57 |
public static final String METADATA_DEFINITION_NAME = "GdalStore"; |
58 |
|
59 |
private Extent v = null; |
60 |
protected Buffer buffer = null; |
61 |
private Extent extent = null; |
62 |
private boolean open = false; |
63 |
|
64 |
/**
|
65 |
* Estado de transparencia del raster.
|
66 |
*/
|
67 |
protected DataStoreTransparency fileTransparency = null; |
68 |
|
69 |
public static void register() { |
70 |
ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager(); |
71 |
ExtensionPoint point=extensionPoints.get("RasterReader");
|
72 |
point.append(new MemoryStoreParameters().getFormatID(), "", MemoryRasterDriver.class); |
73 |
} |
74 |
|
75 |
/**
|
76 |
* Constructor. Asigna el buffer de datos y la extensi?n
|
77 |
* @param proj Proyecci?n
|
78 |
* @param buf Buffer
|
79 |
* @throws NotSupportedExtensionException
|
80 |
*/
|
81 |
public MemoryRasterDriver(AbstractRasterStoreParameters params,
|
82 |
DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
|
83 |
super(params, storeServices, ToolsLocator.getDynObjectManager()
|
84 |
.createDynObject( |
85 |
MetadataLocator.getMetadataManager().getDefinition( |
86 |
METADATA_DEFINITION_NAME))); |
87 |
setParam(params); |
88 |
if(!(params instanceof MemoryStoreParameters)) |
89 |
throw new NotSupportedExtensionException("Buffer not supported"); |
90 |
|
91 |
extent = ((MemoryStoreParameters)params).getExtent(); |
92 |
this.buffer = ((MemoryStoreParameters)params).getBuffer();
|
93 |
|
94 |
if(extent != null) { |
95 |
double psX = (extent.maxX() - extent.minX()) / buffer.getWidth();
|
96 |
double psY = (extent.minY() - extent.maxY()) / buffer.getHeight();
|
97 |
ownTransformation = new AffineTransform(psX, 0, 0, psY, extent.minX(), extent.maxY()); |
98 |
} else
|
99 |
ownTransformation = new AffineTransform(1, 0, 0, -1, 0, buffer.getHeight()); |
100 |
|
101 |
if(buffer == null) |
102 |
throw new NotSupportedExtensionException("Buffer invalid"); |
103 |
|
104 |
load(); |
105 |
bandCount = buffer.getBandCount(); |
106 |
|
107 |
//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf
|
108 |
int[] dt = new int[buffer.getBandCount()]; |
109 |
for (int i = 0; i < dt.length; i++) |
110 |
dt[i] = buffer.getDataType(); |
111 |
setDataType(dt); |
112 |
open = true;
|
113 |
} |
114 |
|
115 |
/*
|
116 |
* (non-Javadoc)
|
117 |
* @see org.gvsig.raster.dataset.GeoInfo#load()
|
118 |
*/
|
119 |
public RasterProvider load() {
|
120 |
return this; |
121 |
} |
122 |
|
123 |
/*
|
124 |
* (non-Javadoc)
|
125 |
* @see org.gvsig.raster.impl.provider.RasterProvider#isOpen()
|
126 |
*/
|
127 |
public boolean isOpen() { |
128 |
return open;
|
129 |
} |
130 |
|
131 |
/*
|
132 |
* (non-Javadoc)
|
133 |
* @see org.gvsig.raster.dataset.GeoInfo#close()
|
134 |
*/
|
135 |
public void close() { |
136 |
buffer = null;
|
137 |
open = false;
|
138 |
} |
139 |
|
140 |
/**
|
141 |
* Asigna el extent de la vista actual.
|
142 |
*/
|
143 |
public void setView(Extent e) { |
144 |
v = e; |
145 |
} |
146 |
|
147 |
/**
|
148 |
* Obtiene extent de la vista actual
|
149 |
*/
|
150 |
public Extent getView() {
|
151 |
return v;
|
152 |
} |
153 |
|
154 |
/**
|
155 |
* Obtiene la anchura del fichero
|
156 |
*/
|
157 |
public double getWidth() { |
158 |
return buffer.getWidth();
|
159 |
} |
160 |
|
161 |
/**
|
162 |
* Obtiene la altura del fichero
|
163 |
*/
|
164 |
public double getHeight() { |
165 |
return buffer.getHeight();
|
166 |
} |
167 |
|
168 |
/*
|
169 |
* (non-Javadoc)
|
170 |
* @see org.cresques.geo.Projected#reProject(org.cresques.cts.ICoordTrans)
|
171 |
*/
|
172 |
public void reProject(ICoordTrans rp) { |
173 |
} |
174 |
|
175 |
/**
|
176 |
* Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder
|
177 |
* asignarlo en el setView. Esto es util para poder conocer como debe leerse la image,
|
178 |
* de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda.
|
179 |
* La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose
|
180 |
* en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son:
|
181 |
* <UL>
|
182 |
* <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
|
183 |
* <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
|
184 |
* <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
|
185 |
* <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
|
186 |
* </UL>
|
187 |
*
|
188 |
* @return
|
189 |
*/
|
190 |
/*private boolean[] getOrientation(){
|
191 |
boolean[] orientation = {true, false};
|
192 |
return orientation;
|
193 |
}*/
|
194 |
|
195 |
/* (non-Javadoc)
|
196 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
197 |
*/
|
198 |
public Object getData(int x, int y, int band) { |
199 |
if(buffer.getDataType() == Buffer.TYPE_BYTE){ |
200 |
return new Integer(buffer.getElemByte(y, x, band)); |
201 |
}else if(buffer.getDataType() == Buffer.TYPE_SHORT){ |
202 |
return new Integer(buffer.getElemShort(y, x, band)); |
203 |
}else if(buffer.getDataType() == Buffer.TYPE_INT){ |
204 |
return new Integer(buffer.getElemInt(y, x, band)); |
205 |
}else if(buffer.getDataType() == Buffer.TYPE_FLOAT){ |
206 |
return new Float(buffer.getElemFloat(y, x, band)); |
207 |
}else if(buffer.getDataType() == Buffer.TYPE_DOUBLE){ |
208 |
return new Double(buffer.getElemDouble(y, x, band)); |
209 |
} |
210 |
return null; |
211 |
} |
212 |
|
213 |
|
214 |
/**
|
215 |
* Devuelve el tama?o de bloque
|
216 |
* @return Tama?o de bloque
|
217 |
*/
|
218 |
public int getBlockSize(){ |
219 |
return 0; |
220 |
} |
221 |
|
222 |
/**
|
223 |
* Obtiene el flag que dice si la imagen est? o no georreferenciada
|
224 |
* @return true si est? georreferenciada y false si no lo est?.
|
225 |
*/
|
226 |
public boolean isGeoreferenced() { |
227 |
return (this.extent != null); |
228 |
} |
229 |
|
230 |
/**
|
231 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
232 |
* el valor de esta variable cada vez que dibuja.
|
233 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
234 |
*/
|
235 |
public boolean isSupersampling() { |
236 |
return false; |
237 |
} |
238 |
|
239 |
/**
|
240 |
* @return Returns the dataType.
|
241 |
*/
|
242 |
public int[] getDataType() { |
243 |
int[] dt = new int[buffer.getBandCount()]; |
244 |
for (int i = 0; i < dt.length; i++) |
245 |
dt[i] = buffer.getDataType(); |
246 |
return dt;
|
247 |
} |
248 |
|
249 |
/**
|
250 |
* Ajusta los puntos pasados por par?metro a los l?mites del buffer. Es decir si alguno excede
|
251 |
* los l?mites por arriba o por abajo los ajusta.
|
252 |
* @param begin Punto inicial
|
253 |
* @param end Punto final
|
254 |
*/
|
255 |
private void adjustPointsToBufferLimits(Point2D begin, Point2D end) { |
256 |
if(begin.getX() < 0) |
257 |
begin.setLocation(0, begin.getY());
|
258 |
if(begin.getY() > buffer.getHeight())
|
259 |
begin.setLocation(begin.getX(), buffer.getHeight()); |
260 |
if(end.getY() < 0) |
261 |
end.setLocation(begin.getX(), 0);
|
262 |
if(end.getX() > buffer.getWidth())
|
263 |
begin.setLocation(buffer.getWidth(), begin.getY()); |
264 |
} |
265 |
|
266 |
/*
|
267 |
* (non-Javadoc)
|
268 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer)
|
269 |
*/
|
270 |
public Buffer getWindowRaster(double ulx, double uly, double lrx, double lry, BandList bandList, Buffer rasterBuf) { |
271 |
Point2D begin = worldToRaster(new Point2D.Double(ulx, uly)); |
272 |
Point2D end = worldToRaster(new Point2D.Double(lrx, lry)); |
273 |
setView(new ExtentImpl(ulx, uly, lrx, lry));
|
274 |
|
275 |
adjustPointsToBufferLimits(begin, end); |
276 |
|
277 |
switch(buffer.getDataType()){
|
278 |
case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, 1, 1, begin, bandList); break; |
279 |
case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, 1, 1, begin, bandList); break; |
280 |
case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, 1, 1, begin, bandList); break; |
281 |
case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, 1, 1, begin, bandList); break; |
282 |
case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, 1, 1, begin, bandList); break; |
283 |
} |
284 |
return rasterBuf;
|
285 |
} |
286 |
|
287 |
/*
|
288 |
* (non-Javadoc)
|
289 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer, boolean)
|
290 |
*/
|
291 |
public Buffer getWindowRaster(double x, double y, double w, double h, BandList bandList, Buffer rasterBuf, boolean adjustToExtent) { |
292 |
Point2D begin = worldToRaster(new Point2D.Double(x, y)); |
293 |
Point2D end = worldToRaster(new Point2D.Double(x + w, y - h)); |
294 |
setView(new ExtentImpl(x, y, x + w, y - h));
|
295 |
|
296 |
adjustPointsToBufferLimits(begin, end); |
297 |
|
298 |
switch(buffer.getDataType()){
|
299 |
case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, 1, 1, begin, bandList); break; |
300 |
case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, 1, 1, begin, bandList); break; |
301 |
case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, 1, 1, begin, bandList); break; |
302 |
case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, 1, 1, begin, bandList); break; |
303 |
case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, 1, 1, begin, bandList); break; |
304 |
} |
305 |
return rasterBuf;
|
306 |
} |
307 |
|
308 |
/*
|
309 |
* (non-Javadoc)
|
310 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer, boolean)
|
311 |
*/
|
312 |
public Buffer getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf, boolean adjustToExtent) { |
313 |
Point2D begin = worldToRaster(new Point2D.Double(minX, maxY)); |
314 |
Point2D end = worldToRaster(new Point2D.Double(maxX, minY)); |
315 |
setView(new ExtentImpl(minX, minY, maxX, maxY));
|
316 |
|
317 |
adjustPointsToBufferLimits(begin, end); |
318 |
|
319 |
//Ancho y alto en pixels (double) del area seleccionada.
|
320 |
double w = Math.abs(end.getX() - begin.getX()); |
321 |
double h = Math.abs(end.getY() - begin.getY()); |
322 |
|
323 |
//Relaci?n entre el n?mero de pixels del buffer origen (area seleccionada) y el destino
|
324 |
double stepX = w / ((double)bufWidth); |
325 |
double stepY = h / ((double)bufHeight); |
326 |
|
327 |
//Escritura separada en 5 llamadas para mejorar el rendimiento
|
328 |
switch(buffer.getDataType()){
|
329 |
case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
330 |
case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
331 |
case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
332 |
case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
333 |
case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
334 |
} |
335 |
|
336 |
/*int xPx = 0, yPx = 0;
|
337 |
for (int iBand = 0; iBand < rasterBuf.getBandCount(); iBand++) {
|
338 |
yPx = 0;
|
339 |
for(double row = begin.getY(); yPx < bufHeight; row += stepY) {
|
340 |
xPx = 0;
|
341 |
for(double col = begin.getX(); xPx < bufWidth; col += stepX) {
|
342 |
switch(buffer.getDataType()){
|
343 |
case Buffer.TYPE_BYTE: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemByte((int)row, (int)col, iBand)); break;
|
344 |
case Buffer.TYPE_SHORT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemShort((int)row, (int)col, iBand)); break;
|
345 |
case Buffer.TYPE_INT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemInt((int)row, (int)col, iBand)); break;
|
346 |
case Buffer.TYPE_FLOAT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemFloat((int)row, (int)col, iBand)); break;
|
347 |
case Buffer.TYPE_DOUBLE: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemDouble((int)row, (int)col, iBand)); break;
|
348 |
}
|
349 |
xPx ++;
|
350 |
}
|
351 |
yPx ++;
|
352 |
}
|
353 |
}*/
|
354 |
return rasterBuf;
|
355 |
} |
356 |
|
357 |
/**
|
358 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
359 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
360 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
361 |
* @param rasterBuf Buffer donde se escriben los datos
|
362 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
363 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino.
|
364 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
365 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino.
|
366 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio
|
367 |
* del pixel. Esto es util cuando se supersamplea.
|
368 |
*/
|
369 |
private void writeByteBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
370 |
int xPx = 0, yPx = 0; |
371 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
372 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
373 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
374 |
continue;
|
375 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
376 |
yPx = 0;
|
377 |
for(double row = begin.getY(); (yPx < rasterBuf.getHeight() && row < buffer.getHeight()); row += stepY) { |
378 |
xPx = 0;
|
379 |
for(double col = begin.getX(); (xPx < rasterBuf.getWidth() && col < buffer.getWidth()); col += stepX) { |
380 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemByte((int)row, (int)col, iBand)); |
381 |
xPx ++; |
382 |
} |
383 |
yPx ++; |
384 |
} |
385 |
} |
386 |
} |
387 |
} |
388 |
|
389 |
/**
|
390 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
391 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
392 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
393 |
* @param rasterBuf Buffer donde se escriben los datos
|
394 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
395 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino.
|
396 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
397 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino.
|
398 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio
|
399 |
* del pixel. Esto es util cuando se supersamplea.
|
400 |
*/
|
401 |
private void writeShortBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
402 |
int xPx = 0, yPx = 0; |
403 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
404 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
405 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
406 |
continue;
|
407 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
408 |
yPx = 0;
|
409 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
410 |
xPx = 0;
|
411 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
412 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemShort((int)row, (int)col, iBand)); |
413 |
xPx ++; |
414 |
} |
415 |
yPx ++; |
416 |
} |
417 |
} |
418 |
} |
419 |
} |
420 |
|
421 |
/**
|
422 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
423 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
424 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
425 |
* @param rasterBuf Buffer donde se escriben los datos
|
426 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
427 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino.
|
428 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
429 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino.
|
430 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio
|
431 |
* del pixel. Esto es util cuando se supersamplea.
|
432 |
*/
|
433 |
private void writeIntBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
434 |
int xPx = 0, yPx = 0; |
435 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
436 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
437 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
438 |
continue;
|
439 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
440 |
yPx = 0;
|
441 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
442 |
xPx = 0;
|
443 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
444 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemInt((int)row, (int)col, iBand)); |
445 |
xPx ++; |
446 |
} |
447 |
yPx ++; |
448 |
} |
449 |
} |
450 |
} |
451 |
} |
452 |
|
453 |
/**
|
454 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
455 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
456 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
457 |
* @param rasterBuf Buffer donde se escriben los datos
|
458 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
459 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino.
|
460 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
461 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino.
|
462 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio
|
463 |
* del pixel. Esto es util cuando se supersamplea.
|
464 |
*/
|
465 |
private void writeFloatBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
466 |
int xPx = 0, yPx = 0; |
467 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
468 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
469 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
470 |
continue;
|
471 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
472 |
yPx = 0;
|
473 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
474 |
xPx = 0;
|
475 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
476 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemFloat((int)row, (int)col, iBand)); |
477 |
xPx ++; |
478 |
} |
479 |
yPx ++; |
480 |
} |
481 |
} |
482 |
} |
483 |
} |
484 |
|
485 |
/**
|
486 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
487 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
488 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
489 |
* @param rasterBuf Buffer donde se escriben los datos
|
490 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
491 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino.
|
492 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
493 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino.
|
494 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio
|
495 |
* del pixel. Esto es util cuando se supersamplea.
|
496 |
*/
|
497 |
private void writeDoubleBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
498 |
int xPx = 0, yPx = 0; |
499 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
500 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
501 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
502 |
continue;
|
503 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
504 |
yPx = 0;
|
505 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
506 |
xPx = 0;
|
507 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
508 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemDouble((int)row, (int)col, iBand)); |
509 |
xPx ++; |
510 |
} |
511 |
yPx ++; |
512 |
} |
513 |
} |
514 |
} |
515 |
} |
516 |
|
517 |
/*
|
518 |
* (non-Javadoc)
|
519 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer)
|
520 |
*/
|
521 |
public Buffer getWindowRaster(int x, int y, int w, int h, BandList bandList, Buffer rasterBuf) { |
522 |
setView( |
523 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(),
|
524 |
getWidth(), |
525 |
getHeight(), |
526 |
new Rectangle2D.Double(x, y, w, h))) |
527 |
); |
528 |
|
529 |
for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++){ |
530 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
531 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
532 |
continue;
|
533 |
if(buffer.getDataType() == Buffer.TYPE_BYTE) { |
534 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
535 |
for(int line = y; line < (y + h); line ++) |
536 |
for(int col = x; col < (x + w); col ++) |
537 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemByte(line, col, drawableBands[drawBands])); |
538 |
} |
539 |
}else if(buffer.getDataType() == Buffer.TYPE_SHORT){ |
540 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
541 |
for(int line = y; line < (y + h); line ++) |
542 |
for(int col = x; col < (x + w); col ++) |
543 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemShort(line, col, drawableBands[drawBands])); |
544 |
} |
545 |
}else if(buffer.getDataType() == Buffer.TYPE_INT){ |
546 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
547 |
for(int line = y; line < (y + h); line ++) |
548 |
for(int col = x; col < (x + w); col ++) |
549 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemInt(line, col, drawableBands[drawBands])); |
550 |
} |
551 |
}else if(buffer.getDataType() == Buffer.TYPE_FLOAT){ |
552 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
553 |
for(int line = y; line < (y + h); line ++) |
554 |
for(int col = x; col < (x + w); col ++) |
555 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemFloat(line, col, drawableBands[drawBands])); |
556 |
} |
557 |
}else if(buffer.getDataType() == Buffer.TYPE_DOUBLE){ |
558 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
559 |
for(int line = y; line < (y + h); line ++) |
560 |
for(int col = x; col < (x + w); col ++) |
561 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemDouble(line, col, drawableBands[drawBands])); |
562 |
} |
563 |
} |
564 |
} |
565 |
return rasterBuf;
|
566 |
} |
567 |
|
568 |
/*
|
569 |
* (non-Javadoc)
|
570 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, int, int, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer)
|
571 |
*/
|
572 |
public Buffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf) { |
573 |
setView( |
574 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(),
|
575 |
getWidth(), |
576 |
getHeight(), |
577 |
new Rectangle2D.Double(x, y, w, h))) |
578 |
); |
579 |
|
580 |
//Relaci?n entre el n?mero de pixels del buffer origen (area seleccionada) y el destino
|
581 |
double stepX = w / ((double)bufWidth); |
582 |
double stepY = h / ((double)bufHeight); |
583 |
switch(buffer.getDataType()){
|
584 |
case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
585 |
case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
586 |
case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
587 |
case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
588 |
case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
589 |
} |
590 |
return rasterBuf;
|
591 |
} |
592 |
|
593 |
/*
|
594 |
* (non-Javadoc)
|
595 |
* @see org.gvsig.raster.dataset.RasterDataset#readCompleteLine(int, int)
|
596 |
*/
|
597 |
public Object readCompleteLine(int line, int band) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
598 |
switch(buffer.getDataType()){
|
599 |
case Buffer.TYPE_BYTE: return buffer.getLineFromBandByte(line, band); |
600 |
case Buffer.TYPE_SHORT: return buffer.getLineFromBandShort(line, band); |
601 |
case Buffer.TYPE_INT: return buffer.getLineFromBandInt(line, band); |
602 |
case Buffer.TYPE_FLOAT: return buffer.getLineFromBandFloat(line, band); |
603 |
case Buffer.TYPE_DOUBLE: return buffer.getLineFromBandDouble(line, band); |
604 |
} |
605 |
return null; |
606 |
} |
607 |
|
608 |
/*
|
609 |
* (non-Javadoc)
|
610 |
* @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int)
|
611 |
*/
|
612 |
public Object readBlock(int pos, int blockHeight) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
613 |
if(pos < 0) |
614 |
throw new InvalidSetViewException("Request out of grid"); |
615 |
|
616 |
if((pos + blockHeight) > buffer.getHeight())
|
617 |
blockHeight = Math.abs(buffer.getHeight() - pos);
|
618 |
|
619 |
switch(buffer.getDataType()){
|
620 |
case Buffer.TYPE_BYTE: |
621 |
byte[][][] bufb = new byte[getBandCount()][][]; |
622 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
623 |
for (int row = 0; row < blockHeight; row++) { |
624 |
bufb[iBand][row] = buffer.getLineFromBandByte(row, iBand); |
625 |
} |
626 |
} |
627 |
return bufb;
|
628 |
case Buffer.TYPE_SHORT: |
629 |
short[][][] bufs = new short[getBandCount()][][]; |
630 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
631 |
for (int row = 0; row < blockHeight; row++) { |
632 |
bufs[iBand][row] = buffer.getLineFromBandShort(row, iBand); |
633 |
} |
634 |
} |
635 |
return bufs;
|
636 |
case Buffer.TYPE_INT: |
637 |
int[][][] bufi = new int[getBandCount()][][]; |
638 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
639 |
for (int row = 0; row < blockHeight; row++) { |
640 |
bufi[iBand][row] = buffer.getLineFromBandInt(row, iBand); |
641 |
} |
642 |
} |
643 |
return bufi;
|
644 |
case Buffer.TYPE_FLOAT: |
645 |
float[][][] buff = new float[getBandCount()][][]; |
646 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
647 |
for (int row = 0; row < blockHeight; row++) { |
648 |
buff[iBand][row] = buffer.getLineFromBandFloat(row, iBand); |
649 |
} |
650 |
} |
651 |
return buff;
|
652 |
case Buffer.TYPE_DOUBLE: |
653 |
double[][][] bufd = new double[getBandCount()][][]; |
654 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
655 |
for (int row = 0; row < blockHeight; row++) { |
656 |
bufd[iBand][row] = buffer.getLineFromBandDouble(row, iBand); |
657 |
} |
658 |
} |
659 |
return bufd;
|
660 |
} |
661 |
return null; |
662 |
} |
663 |
|
664 |
/**
|
665 |
* Obtiene el objeto que contiene el estado de la transparencia
|
666 |
*/
|
667 |
public DataStoreTransparency getTransparency() {
|
668 |
if(fileTransparency == null) |
669 |
fileTransparency = new DataStoreTransparency();
|
670 |
return fileTransparency;
|
671 |
} |
672 |
|
673 |
/*
|
674 |
* (non-Javadoc)
|
675 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewCount(int)
|
676 |
*/
|
677 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
678 |
if(band >= getBandCount())
|
679 |
throw new BandAccessException("Wrong band"); |
680 |
return 0; |
681 |
} |
682 |
|
683 |
/*
|
684 |
* (non-Javadoc)
|
685 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewWidth(int, int)
|
686 |
*/
|
687 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
688 |
if (band >= getBandCount())
|
689 |
throw new BandAccessException("Wrong band"); |
690 |
return 0; |
691 |
} |
692 |
|
693 |
/*
|
694 |
* (non-Javadoc)
|
695 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewWidth(int, int)
|
696 |
*/
|
697 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
698 |
if (band >= getBandCount())
|
699 |
throw new BandAccessException("Wrong band"); |
700 |
return 0; |
701 |
} |
702 |
|
703 |
/*
|
704 |
* (non-Javadoc)
|
705 |
* @see org.gvsig.raster.dataset.RasterDataset#overviewsSupport()
|
706 |
*/
|
707 |
public boolean overviewsSupport() { |
708 |
return false; |
709 |
} |
710 |
|
711 |
/*
|
712 |
* (non-Javadoc)
|
713 |
* @see org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider#getName()
|
714 |
*/
|
715 |
public String getName() { |
716 |
return NAME;
|
717 |
} |
718 |
} |