root / trunk / libraries / libCresques / src / org / cresques / io / GdalFile.java @ 13173
History | View | Annotate | Download (41.9 KB)
| 1 | 13128 | bsanchez | /*
|
|---|---|---|---|
| 2 | * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
|
||
| 3 | *
|
||
| 4 | 13130 | bsanchez | * Copyright (C) 2004-5.
|
| 5 | *
|
||
| 6 | 13128 | bsanchez | * 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 | 13130 | bsanchez | *
|
| 22 | 13128 | bsanchez | * 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 | import org.cresques.filter.RasterBuf; |
||
| 38 | import org.cresques.io.data.Metadata; |
||
| 39 | import org.cresques.px.Extent; |
||
| 40 | |||
| 41 | import es.gva.cit.jgdal.Gdal; |
||
| 42 | import es.gva.cit.jgdal.GdalBuffer; |
||
| 43 | import es.gva.cit.jgdal.GdalException; |
||
| 44 | import es.gva.cit.jgdal.GdalRasterBand; |
||
| 45 | import es.gva.cit.jgdal.GeoTransform; |
||
| 46 | /**
|
||
| 47 | * Soporte 'nativo' para ficheros desde GDAL.
|
||
| 48 | * Este conjunto de funcionalidades est? tomado de manera casi literal
|
||
| 49 | * del soporte para ECW de ermapper.<br>
|
||
| 50 | * Probablemente esto deber?a formar parte del JNI que recubre a la
|
||
| 51 | * librer?a en C extraida de gdal.<br>
|
||
| 52 | * Lo pongo aqu? a manera de ejemplo de como atacar un formato binario
|
||
| 53 | 13130 | bsanchez | * desde Java.<br><br>
|
| 54 | 13128 | bsanchez | * @author Luis W. Sevilla.
|
| 55 | */
|
||
| 56 | |||
| 57 | class GdalNative extends Gdal { |
||
| 58 | static boolean WITH_OVERVIEWS = true; |
||
| 59 | private String ext = ""; |
||
| 60 | public GeoTransform trans = null; |
||
| 61 | /**
|
||
| 62 | * Contorno en coordenadas geogr?ficas. (y Extent del raster).
|
||
| 63 | */
|
||
| 64 | public Contour bBoxRot = new Contour(); |
||
| 65 | /**
|
||
| 66 | * Contorno en coordenadas geogr?ficas sin rotaci?n aplicada. Esto es util para poder
|
||
| 67 | 13130 | bsanchez | * calcular los pixeles necesarios que se van a leer del raster. Cuando el raster no tiene
|
| 68 | * rotaci?n coincide con esq.
|
||
| 69 | 13128 | bsanchez | */
|
| 70 | public Contour bBoxWithoutRot = new Contour(); |
||
| 71 | public int width = 0, height = 0; |
||
| 72 | public double originX = 0D, originY = 0D; |
||
| 73 | public String version = ""; |
||
| 74 | private int alpha = 0; |
||
| 75 | protected int rBandNr = 1, gBandNr = 2, bBandNr = 3, aBandNr = 4; |
||
| 76 | private int dataType = GDT_Byte; |
||
| 77 | /**
|
||
| 78 | * Metadatos leidos de la imagen
|
||
| 79 | */
|
||
| 80 | private Metadata metadata = null; |
||
| 81 | private boolean georeferenced = true; |
||
| 82 | |||
| 83 | 13130 | bsanchez | |
| 84 | 13128 | bsanchez | // Polilinea con extent
|
| 85 | public class Contour extends Vector { |
||
| 86 | final private static long serialVersionUID = -3370601314380922368L; |
||
| 87 | public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE; |
||
| 88 | public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE; |
||
| 89 | public Contour() {
|
||
| 90 | super();
|
||
| 91 | } |
||
| 92 | public void add(Point2D pt) { |
||
| 93 | super.add(pt);
|
||
| 94 | if (pt.getX() > maxX) maxX = pt.getX();
|
||
| 95 | if (pt.getX() < minX) minX = pt.getX();
|
||
| 96 | if (pt.getY() > maxY) maxY = pt.getY();
|
||
| 97 | if (pt.getY() < minY) minY = pt.getY();
|
||
| 98 | } |
||
| 99 | } |
||
| 100 | 13130 | bsanchez | |
| 101 | 13128 | bsanchez | public GdalNative(String fName) throws GdalException, IOException { |
| 102 | super();
|
||
| 103 | init(fName); |
||
| 104 | } |
||
| 105 | 13130 | bsanchez | |
| 106 | 13128 | bsanchez | /**
|
| 107 | * <P>
|
||
| 108 | * Calcula la bounding box en la que est? metido el raster teniendo en cuenta
|
||
| 109 | 13130 | bsanchez | * el tama?o de pixel y la rotaci?n. Esto lo hace con los valores de transformaci?n
|
| 110 | 13128 | bsanchez | * leidos por gdal en el vector de 6 elementos adfGeoTransform donde cada elemento
|
| 111 | * del vector represnta los siguientes valores
|
||
| 112 | * </P>
|
||
| 113 | * <UL>
|
||
| 114 | * <LI>0-origen X</LI>
|
||
| 115 | * <LI>1-tama?o de pixel X</LI>
|
||
| 116 | * <LI>2-shear en X</LI>
|
||
| 117 | * <LI>3-origen Y</LI>
|
||
| 118 | * <LI>4-shear en Y</LI>
|
||
| 119 | * <LI>5-Tama?o de pixel Y</LI>
|
||
| 120 | * </UL>
|
||
| 121 | * <P>
|
||
| 122 | * Para el calculo de una esquina aplicamos la formula siguiente:<BR>
|
||
| 123 | * PtoX = originX + pixelSizeX * x + shearX * y;<BR>
|
||
| 124 | * PtoY = originY + shearY * x + pixelSizeY * y;<BR>
|
||
| 125 | * Aplicandolo a las cuatro esquinas sustituimos en cada una de ellas por.
|
||
| 126 | * </P>
|
||
| 127 | 13130 | bsanchez | * <UL>
|
| 128 | 13128 | bsanchez | * <LI>Esquina superior izquierda: x = 0; y = 0;</LI>
|
| 129 | * <LI>Esquina superior derecha: x = MaxX; y = 0;</LI>
|
||
| 130 | * <LI>Esquina inferior izquierda: x = 0; y = MaxY;</LI>
|
||
| 131 | * <LI>Esquina inferior derecha: x = MaxX; y = MaxY;</LI>
|
||
| 132 | 13130 | bsanchez | * </UL>
|
| 133 | 13128 | bsanchez | * <P>
|
| 134 | * quedandonos en los cuatro casos:
|
||
| 135 | * </P>
|
||
| 136 | 13130 | bsanchez | * <UL>
|
| 137 | 13128 | bsanchez | * <LI>Esquina superior izquierda: originX; originY;</LI>
|
| 138 | * <LI>Esquina superior derecha: PtoX = originX + pixelSizeX * x; PtoY = originY + shearY * x;</LI>
|
||
| 139 | * <LI>Esquina inferior izquierda: PtoX = originX + shearX * y; PtoY = originY + pixelSizeY * y;</LI>
|
||
| 140 | * <LI>Esquina inferior derecha: PtoX = originX + pixelSizeX * x + shearX * y; PtoY = originY + shearY * x + pixelSizeY * y;</LI>
|
||
| 141 | * </UL>
|
||
| 142 | 13130 | bsanchez | *
|
| 143 | 13128 | bsanchez | */
|
| 144 | private void boundingBoxFromGeoTransform(){ |
||
| 145 | double geoX = 0D, geoY = 0D; |
||
| 146 | |||
| 147 | //Upper left corner
|
||
| 148 | bBoxRot.add(new Point2D.Double(trans.adfgeotransform[0], trans.adfgeotransform[3])); |
||
| 149 | |||
| 150 | //Lower left corner
|
||
| 151 | geoX = trans.adfgeotransform[0] + trans.adfgeotransform[2] * height; |
||
| 152 | geoY = trans.adfgeotransform[3] + trans.adfgeotransform[5] * height; |
||
| 153 | bBoxRot.add(new Point2D.Double(geoX, geoY)); |
||
| 154 | 13130 | bsanchez | |
| 155 | 13128 | bsanchez | //Upper right corner
|
| 156 | geoX = trans.adfgeotransform[0] + trans.adfgeotransform[1] * width; |
||
| 157 | geoY = trans.adfgeotransform[3] + trans.adfgeotransform[4] * width; |
||
| 158 | bBoxRot.add(new Point2D.Double(geoX, geoY)); |
||
| 159 | 13130 | bsanchez | |
| 160 | 13128 | bsanchez | //Lower right corner
|
| 161 | geoX = trans.adfgeotransform[0] + trans.adfgeotransform[1] * width + trans.adfgeotransform[2] * height; |
||
| 162 | geoY = trans.adfgeotransform[3] + trans.adfgeotransform[4] * width + trans.adfgeotransform[5] * height; |
||
| 163 | bBoxRot.add(new Point2D.Double(geoX, geoY)); |
||
| 164 | 13130 | bsanchez | |
| 165 | 13128 | bsanchez | //TODO: ?OJO! con coordenadas geogr?ficas
|
| 166 | } |
||
| 167 | 13130 | bsanchez | |
| 168 | 13128 | bsanchez | /**
|
| 169 | * Calcula la bounding box en la que est? metido el raster teniendo en cuenta
|
||
| 170 | 13130 | bsanchez | * el tama?o de pixel y la rotaci?n.
|
| 171 | 13128 | bsanchez | */
|
| 172 | private void boundingBoxWithoutRotation(){ |
||
| 173 | double ox = trans.adfgeotransform[0]; |
||
| 174 | double oy = trans.adfgeotransform[3]; |
||
| 175 | double resx = trans.adfgeotransform[1]; |
||
| 176 | double resy = trans.adfgeotransform[5]; |
||
| 177 | 13130 | bsanchez | |
| 178 | 13128 | bsanchez | bBoxWithoutRot.add(new Point2D.Double(ox, oy)); |
| 179 | bBoxWithoutRot.add(new Point2D.Double(ox + resx * width, oy)); |
||
| 180 | bBoxWithoutRot.add(new Point2D.Double(ox, oy + resy * height)); |
||
| 181 | bBoxWithoutRot.add(new Point2D.Double(ox + resx * width, oy + resy * height)); |
||
| 182 | |||
| 183 | //TODO: ?OJO! con coordenadas geogr?ficas
|
||
| 184 | } |
||
| 185 | 13130 | bsanchez | |
| 186 | 13128 | bsanchez | private void init(String fName) throws GdalException, IOException { |
| 187 | open(fName,GA_ReadOnly); |
||
| 188 | ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1); |
||
| 189 | if (ext.compareTo("tif") == 0) |
||
| 190 | WITH_OVERVIEWS = false;
|
||
| 191 | width = getRasterXSize(); |
||
| 192 | height = getRasterYSize(); |
||
| 193 | setDataType(this.getRasterBand(1).getRasterDataType()); |
||
| 194 | metadata = new Metadata(getMetadata());
|
||
| 195 | 13130 | bsanchez | |
| 196 | 13128 | bsanchez | //Asignamos la interpretaci?n de color leida por gdal a cada banda. Esto nos sirve
|
| 197 | //para saber que banda de la imagen va asignada a cada banda de visualizaci?n (ARGB)
|
||
| 198 | metadata.initColorInterpretation(getRasterCount()); |
||
| 199 | metadata.initNoDataByBand(getRasterCount()); |
||
| 200 | 13130 | bsanchez | for(int i = 0; i < getRasterCount(); i++){ |
| 201 | GdalRasterBand rb = getRasterBand(i + 1);
|
||
| 202 | String colorInt = getColorInterpretationName(rb.getRasterColorInterpretation());
|
||
| 203 | metadata.setNoDataValue(i, rb.getRasterNoDataValue()); |
||
| 204 | metadata.setColorInterpValue(i, colorInt); |
||
| 205 | if(colorInt.equals("Red")) |
||
| 206 | rBandNr = i + 1;
|
||
| 207 | if(colorInt.equals("Green")) |
||
| 208 | gBandNr = i + 1;
|
||
| 209 | if(colorInt.equals("Blue")) |
||
| 210 | bBandNr = i + 1;
|
||
| 211 | if(colorInt.equals("Alpha")) |
||
| 212 | aBandNr = i + 1;
|
||
| 213 | } |
||
| 214 | |||
| 215 | 13128 | bsanchez | try{
|
| 216 | trans = getGeoTransform(); |
||
| 217 | 13130 | bsanchez | |
| 218 | 13128 | bsanchez | boundingBoxWithoutRotation(); |
| 219 | boundingBoxFromGeoTransform(); |
||
| 220 | 13130 | bsanchez | |
| 221 | 13128 | bsanchez | this.georeferenced = true; |
| 222 | }catch(GdalException exc){
|
||
| 223 | bBoxRot.add(new Point2D.Double(0, 0)); |
||
| 224 | bBoxRot.add(new Point2D.Double(width, 0)); |
||
| 225 | bBoxRot.add(new Point2D.Double(0, height)); |
||
| 226 | bBoxRot.add(new Point2D.Double(width, height)); |
||
| 227 | bBoxWithoutRot = bBoxRot; |
||
| 228 | this.georeferenced = false; |
||
| 229 | } |
||
| 230 | } |
||
| 231 | 13130 | bsanchez | |
| 232 | 13128 | bsanchez | public void setAlpha(int a) { alpha = a; } |
| 233 | 13130 | bsanchez | |
| 234 | 13128 | bsanchez | public void setDataType(int dt) { dataType = dt; } |
| 235 | public int getDataType() { return dataType; } |
||
| 236 | 13130 | bsanchez | |
| 237 | 13128 | bsanchez | double lastReadLine = -1; |
| 238 | int currentFullWidth = -1; |
||
| 239 | int currentFullHeight = -1; |
||
| 240 | int currentViewWidth = -1; |
||
| 241 | int currentViewHeight = -1; |
||
| 242 | double currentViewX = 0D; |
||
| 243 | double currentViewY = 0D; |
||
| 244 | double viewportScaleX = 0D; |
||
| 245 | double viewportScaleY = 0D; |
||
| 246 | double wcWidth = 0D; |
||
| 247 | double stepX = 0D; |
||
| 248 | double stepY = 0D; |
||
| 249 | int currentOverview = -1; |
||
| 250 | 13130 | bsanchez | |
| 251 | 13128 | bsanchez | protected GdalRasterBand bandR = null, bandG = null, bandB = null, bandA = null; |
| 252 | 13130 | bsanchez | |
| 253 | 13128 | bsanchez | private boolean[] orientation; |
| 254 | 13130 | bsanchez | |
| 255 | 13128 | bsanchez | /**
|
| 256 | * Devuelve la banda actualmente en uso para el color especificado.
|
||
| 257 | * @param color 0=Rojo, 1=Green, 2=Blue.
|
||
| 258 | * @return
|
||
| 259 | */
|
||
| 260 | public GdalRasterBand getCurrentBand(int color) { |
||
| 261 | 13130 | bsanchez | if (color == 0) |
| 262 | 13128 | bsanchez | return bandR;
|
| 263 | 13130 | bsanchez | else if (color == 1) |
| 264 | 13128 | bsanchez | return bandG;
|
| 265 | return bandB;
|
||
| 266 | } |
||
| 267 | 13130 | bsanchez | |
| 268 | 13128 | bsanchez | //Supone rasters no girados
|
| 269 | public Point2D worldToRaster(Point2D pt) { |
||
| 270 | double x = (((double) currentFullWidth) / (bBoxWithoutRot.maxX - bBoxWithoutRot.minX)) * (pt.getX() - bBoxWithoutRot.minX); |
||
| 271 | double y = (((double) currentFullHeight) / (bBoxWithoutRot.maxY - bBoxWithoutRot.minY)) * (bBoxWithoutRot.maxY - pt.getY()); |
||
| 272 | Point2D ptRes = new Point2D.Double(x, y); |
||
| 273 | return ptRes;
|
||
| 274 | } |
||
| 275 | 13130 | bsanchez | |
| 276 | 13128 | bsanchez | /**
|
| 277 | * 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
|
||
| 278 | 13130 | bsanchez | * habr? que invertir la petici?n de la parte derecha a la izquierda y viceversa. Esto lo detectamos con la
|
| 279 | * variable orientation , si orientation[0] es false entonces el punto inicial del zoom lo invertimos de la
|
||
| 280 | 13128 | bsanchez | * siguiente forma:
|
| 281 | * Nuevo_punto_inicialX = (Ancho_total_raster - punto_inicial_del_zoomX) - Ancho_de_petici?n
|
||
| 282 | *
|
||
| 283 | 13130 | bsanchez | * Si el tama?o de pixel en Y es mayor que 0 entonces la imagen se orienta al contrario en Y por
|
| 284 | * lo que en los zooms habr? que invertir la petici?n de abajo a arriba y viceversa. Esto lo detectamos con la
|
||
| 285 | * variable orientation , si orientation[1] es true entonces el punto inicial del zoom lo invertimos de la
|
||
| 286 | 13128 | bsanchez | * siguiente forma:
|
| 287 | * Nuevo_punto_inicialY = (Alto_total_raster - punto_inicial_del_zoomY) - Alto_de_petici?n
|
||
| 288 | 13130 | bsanchez | *
|
| 289 | 13128 | bsanchez | * @param dWorldTLX
|
| 290 | * @param dWorldTLY
|
||
| 291 | * @param dWorldBRX
|
||
| 292 | * @param dWorldBRY
|
||
| 293 | * @param nWidth
|
||
| 294 | * @param nHeight
|
||
| 295 | * @param orientation array de dos elementos que representa la orientaci?n de la petici?n en
|
||
| 296 | * X e Y. El primer elemento representa el signo de pixelSize en X, true si es positivo y false
|
||
| 297 | * si es negativo. El segundo elemento representa el signo de pixelSize en Y
|
||
| 298 | * @return
|
||
| 299 | */
|
||
| 300 | public int setView(double dWorldTLX, double dWorldTLY, |
||
| 301 | 13130 | bsanchez | double dWorldBRX, double dWorldBRY, |
| 302 | int nWidth, int nHeight, boolean[] orientation) { |
||
| 303 | 13128 | bsanchez | int err = 0; |
| 304 | this.orientation = orientation;
|
||
| 305 | currentFullWidth = width; |
||
| 306 | currentFullHeight = height; |
||
| 307 | Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
||
| 308 | Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
||
| 309 | // Calcula cual es la primera l?nea a leer;
|
||
| 310 | currentViewWidth = nWidth; |
||
| 311 | currentViewHeight = nHeight; |
||
| 312 | wcWidth = Math.abs(br.getX() - tl.getX());
|
||
| 313 | 13130 | bsanchez | |
| 314 | 13128 | bsanchez | if(!orientation[0]) //Invierte la orientaci?n en X |
| 315 | currentViewX = (width - tl.getX()) - (br.getX()-tl.getX()); |
||
| 316 | else
|
||
| 317 | currentViewX = tl.getX(); |
||
| 318 | 13130 | bsanchez | |
| 319 | 13128 | bsanchez | viewportScaleX = (double) currentViewWidth/(br.getX()-tl.getX());
|
| 320 | viewportScaleY = (double) currentViewHeight/(br.getY()-tl.getY());
|
||
| 321 | stepX = 1D/viewportScaleX;
|
||
| 322 | stepY = 1D/viewportScaleY;
|
||
| 323 | |||
| 324 | if(orientation[1])//Invierte la orientaci?n en Y |
||
| 325 | lastReadLine = (height - tl.getY()) - (br.getY()-tl.getY()); |
||
| 326 | else
|
||
| 327 | lastReadLine = tl.getY(); |
||
| 328 | 13130 | bsanchez | |
| 329 | 13128 | bsanchez | try {
|
| 330 | // calcula el overview a usar
|
||
| 331 | bandR = getRasterBand(1);
|
||
| 332 | currentOverview = -1;
|
||
| 333 | if (WITH_OVERVIEWS && bandR.getOverviewCount() > 0) { |
||
| 334 | GdalRasterBand ovb = null;
|
||
| 335 | 13130 | bsanchez | for (int i=bandR.getOverviewCount()-1; i>0; i--) { |
| 336 | 13128 | bsanchez | ovb = bandR.getOverview(i); |
| 337 | if (ovb.getRasterBandXSize()>getRasterXSize()*viewportScaleX) {
|
||
| 338 | currentOverview = i; |
||
| 339 | 13130 | bsanchez | viewportScaleX *= ((double) width/(double) ovb.getRasterBandXSize()); |
| 340 | viewportScaleY *= ((double) height/(double) ovb.getRasterBandYSize()); |
||
| 341 | stepX = 1D/viewportScaleX;
|
||
| 342 | stepY = 1D/viewportScaleY;
|
||
| 343 | currentFullWidth = ovb.getRasterBandXSize(); |
||
| 344 | currentFullHeight = ovb.getRasterBandYSize(); |
||
| 345 | tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
||
| 346 | if(!orientation[0])//Invierte la orientaci?n en X |
||
| 347 | currentViewX = (width - tl.getX()) - (br.getX()-tl.getX()); |
||
| 348 | else
|
||
| 349 | currentViewX = tl.getX(); |
||
| 350 | if(orientation[1])//Invierte la orientaci?n en Y |
||
| 351 | lastReadLine = (height - tl.getY()) - (br.getY()-tl.getY()); |
||
| 352 | else
|
||
| 353 | lastReadLine = tl.getY(); |
||
| 354 | break;
|
||
| 355 | 13128 | bsanchez | } |
| 356 | } |
||
| 357 | } |
||
| 358 | 13130 | bsanchez | |
| 359 | 13128 | bsanchez | // Selecciona las bandas y los overviews necesarios
|
| 360 | bandR = getRasterBand(rBandNr); |
||
| 361 | setDataType(bandR.getRasterDataType()); |
||
| 362 | 13130 | bsanchez | |
| 363 | 13128 | bsanchez | if (this.getRasterCount() > 1) { |
| 364 | bandG = getRasterBand(gBandNr); |
||
| 365 | 13130 | bsanchez | bandB = getRasterBand(bBandNr); |
| 366 | 13128 | bsanchez | if(metadata.isAlphaBand())
|
| 367 | 13130 | bsanchez | bandA = getRasterBand(aBandNr); |
| 368 | 13128 | bsanchez | } |
| 369 | if (currentOverview > 0) { |
||
| 370 | bandR = bandR.getOverview(currentOverview); |
||
| 371 | 13130 | bsanchez | if (this.getRasterCount() > 1) { |
| 372 | 13128 | bsanchez | bandG = bandG.getOverview(currentOverview); |
| 373 | bandB = bandB.getOverview(currentOverview); |
||
| 374 | if(metadata.isAlphaBand())
|
||
| 375 | bandA = bandA.getOverview(currentOverview); |
||
| 376 | } |
||
| 377 | } |
||
| 378 | |||
| 379 | } catch (GdalException e) {
|
||
| 380 | e.printStackTrace(); |
||
| 381 | } |
||
| 382 | return err;
|
||
| 383 | } |
||
| 384 | 13130 | bsanchez | |
| 385 | 13128 | bsanchez | int lastY = -1; |
| 386 | 13130 | bsanchez | |
| 387 | 13128 | bsanchez | public void readLine(int[][] line) throws GdalException { |
| 388 | 13130 | bsanchez | int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
| 389 | int x = (int) Math.ceil(currentViewX); |
||
| 390 | int y = (int) Math.ceil(lastReadLine); |
||
| 391 | GdalBuffer r = null, g = null, b = null, p = null; |
||
| 392 | GdalBuffer a = new GdalBuffer();
|
||
| 393 | |||
| 394 | //if (alpha > 0) a = alpha << 24;
|
||
| 395 | if (x+w > bandR.getRasterBandXSize())
|
||
| 396 | w = bandR.getRasterBandXSize()-x; |
||
| 397 | |||
| 398 | if(bandR.getRasterColorTable() != null){ |
||
| 399 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
||
| 400 | a.buffByte = p.buffAPalette; |
||
| 401 | r = new GdalBuffer();
|
||
| 402 | r.buffByte = p.buffRPalette; |
||
| 403 | g = new GdalBuffer();
|
||
| 404 | g.buffByte = p.buffGPalette; |
||
| 405 | b = new GdalBuffer();
|
||
| 406 | b.buffByte = p.buffBPalette; |
||
| 407 | }else{
|
||
| 408 | a.buffByte = new byte[w]; |
||
| 409 | 13128 | bsanchez | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
| 410 | if (bandG != null) |
||
| 411 | 13130 | bsanchez | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
| 412 | 13128 | bsanchez | if (bandB != null) |
| 413 | 13130 | bsanchez | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
| 414 | } |
||
| 415 | |||
| 416 | 13128 | bsanchez | lastReadLine += stepY; |
| 417 | 13130 | bsanchez | |
| 418 | int i=0; |
||
| 419 | double j = 0D; |
||
| 420 | double initOffset = Math.abs(currentViewX - ((int)currentViewX)); |
||
| 421 | |||
| 422 | if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){
|
||
| 423 | if (g == null){ // Sibgle Band (Typical DEM) |
||
| 424 | for (int k=0; k<4; k++){ |
||
| 425 | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
| 426 | if(k<3) |
||
| 427 | line[i][k] = (r.buffShort[(int) j] & 0xffff); |
||
| 428 | else
|
||
| 429 | line[i][3] = 0xff; |
||
| 430 | } |
||
| 431 | } |
||
| 432 | }else { // Multiband |
||
| 433 | //System.err.println("readLine(): Raster 16bits multibanda");
|
||
| 434 | GdalBuffer [] bands = {r,g,b};
|
||
| 435 | for (int k=0; k<4; k++){ |
||
| 436 | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
||
| 437 | if(k<3) |
||
| 438 | line[i][k] = (bands[k].buffShort[(int) j] & 0xffff); |
||
| 439 | else
|
||
| 440 | line[i][3] = 0xff; |
||
| 441 | } |
||
| 442 | } |
||
| 443 | } |
||
| 444 | }else if(dataType == GDT_Float32){ |
||
| 445 | GdalBuffer [] bands = {r,g,b};
|
||
| 446 | 13128 | bsanchez | for (int k=0; k<4; k++){ |
| 447 | 13130 | bsanchez | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
| 448 | if(k < 3) |
||
| 449 | line[i][k] = (int)bands[0].buffFloat[(int) j]; |
||
| 450 | else
|
||
| 451 | line[i][3] = 0xff; |
||
| 452 | } |
||
| 453 | 13128 | bsanchez | } |
| 454 | 13130 | bsanchez | } |
| 455 | |||
| 456 | 13128 | bsanchez | return;
|
| 457 | } |
||
| 458 | 13130 | bsanchez | |
| 459 | 13128 | bsanchez | //int liney = 0;
|
| 460 | int readLineRGBA(int [] line) throws GdalException { |
||
| 461 | int err = 0; |
||
| 462 | 13130 | bsanchez | |
| 463 | int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
||
| 464 | int x = (int) currentViewX; |
||
| 465 | int y = (int) lastReadLine; |
||
| 466 | GdalBuffer r = null, g = null, b = null, p = null; |
||
| 467 | GdalBuffer a = new GdalBuffer();
|
||
| 468 | |||
| 469 | while(y >= bandR.getRasterBandYSize())
|
||
| 470 | y--; |
||
| 471 | |||
| 472 | //if (alpha > 0) a = alpha << 24;
|
||
| 473 | if (x+w > bandR.getRasterBandXSize())
|
||
| 474 | w = bandR.getRasterBandXSize()-x; |
||
| 475 | |||
| 476 | if(bandR.getRasterColorTable() != null){ |
||
| 477 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
||
| 478 | a.buffByte = p.buffAPalette; |
||
| 479 | r = new GdalBuffer();
|
||
| 480 | r.buffByte = p.buffRPalette; |
||
| 481 | g = new GdalBuffer();
|
||
| 482 | g.buffByte = p.buffGPalette; |
||
| 483 | b = new GdalBuffer();
|
||
| 484 | b.buffByte = p.buffBPalette; |
||
| 485 | }else{
|
||
| 486 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
||
| 487 | 13128 | bsanchez | if (bandG != null) |
| 488 | 13130 | bsanchez | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
| 489 | 13128 | bsanchez | if (bandB != null) |
| 490 | 13130 | bsanchez | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
| 491 | |||
| 492 | if(metadata.isAlphaBand()){
|
||
| 493 | //if(getRasterCount() == 4 && shortName.equals("PNG")){
|
||
| 494 | a = bandA.readRaster(x, y, w, 1, w, 1, GDT_Byte); |
||
| 495 | }else{
|
||
| 496 | a.buffByte = new byte[w]; |
||
| 497 | for (int i = 0;i < w;i++) |
||
| 498 | a.buffByte[i] = (byte)255; |
||
| 499 | } |
||
| 500 | } |
||
| 501 | |||
| 502 | lastReadLine += stepY; |
||
| 503 | |||
| 504 | int i=0; |
||
| 505 | double j = Math.abs(currentViewX - ((int)currentViewX)); |
||
| 506 | 13128 | bsanchez | int alpha = (this.alpha & 0xff) << 24; |
| 507 | |||
| 508 | if(orientation[0]){ //Pixel size en X positivo |
||
| 509 | 13130 | bsanchez | if (dataType == GDT_Byte){
|
| 510 | if (g != null) |
||
| 511 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
| 512 | int jInt = (int)(j); |
||
| 513 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
||
| 514 | } |
||
| 515 | else
|
||
| 516 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
| 517 | int jInt = (int)(j); |
||
| 518 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
||
| 519 | } |
||
| 520 | }else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
||
| 521 | if (g == null) // Sibgle Band (Typical DEM) |
||
| 522 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
| 523 | int jInt = (int)(j); |
||
| 524 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
||
| 525 | } |
||
| 526 | else { // Multiband - Raster 16bits multibanda |
||
| 527 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
||
| 528 | int jInt = (int)(j); |
||
| 529 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
||
| 530 | (((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
||
| 531 | (((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
||
| 532 | } |
||
| 533 | } |
||
| 534 | } |
||
| 535 | 13128 | bsanchez | }else{ //Pixel size en X negativo |
| 536 | if (dataType == GDT_Byte){
|
||
| 537 | 13130 | bsanchez | if (g != null) |
| 538 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
| 539 | int jInt = (int)(j); |
||
| 540 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
||
| 541 | } |
||
| 542 | else
|
||
| 543 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
| 544 | int jInt = (int)(j); |
||
| 545 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
||
| 546 | } |
||
| 547 | }else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
||
| 548 | if (g == null) // Sibgle Band (Typical DEM) |
||
| 549 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
| 550 | int jInt = (int)(j); |
||
| 551 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
||
| 552 | } |
||
| 553 | else { // Multiband - Raster 16bits multibanda; |
||
| 554 | for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
||
| 555 | int jInt = (int)(j); |
||
| 556 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
||
| 557 | (((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
||
| 558 | (((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
||
| 559 | } |
||
| 560 | } |
||
| 561 | } |
||
| 562 | |||
| 563 | 13128 | bsanchez | } |
| 564 | |||
| 565 | return err;
|
||
| 566 | } |
||
| 567 | 13130 | bsanchez | |
| 568 | 13128 | bsanchez | /**
|
| 569 | * Lee una franja de la imagen.
|
||
| 570 | * @param bandH Altura de la franja
|
||
| 571 | * @param bufH Altura del buffer
|
||
| 572 | * @param buf Buffer con la franja (retorno)
|
||
| 573 | * @return
|
||
| 574 | * @throws GdalException
|
||
| 575 | */
|
||
| 576 | public int readBandRGBA(int bandH, int bufH, int [] buf) throws GdalException { |
||
| 577 | int err = 0; |
||
| 578 | 13130 | bsanchez | int w = (int)(((double)currentViewWidth)*stepX); |
| 579 | int x = (int)(((double)currentViewX)*stepX); |
||
| 580 | int y = (int) lastReadLine; |
||
| 581 | int h = (int) (((double)bandH)*stepX); |
||
| 582 | System.out.println("Leyendo "+y); |
||
| 583 | GdalBuffer r = null, g = null, b = null, p = null; |
||
| 584 | GdalBuffer a = new GdalBuffer();
|
||
| 585 | |||
| 586 | if (x+w > bandR.getRasterBandXSize())
|
||
| 587 | w = bandR.getRasterBandXSize()-x; |
||
| 588 | |||
| 589 | if(bandR.getRasterColorTable() != null){ |
||
| 590 | p = bandR.readRasterWithPalette(x, y, w, h, w, h, GDT_Byte); |
||
| 591 | a.buffByte = p.buffAPalette; |
||
| 592 | r = new GdalBuffer();
|
||
| 593 | r.buffByte = p.buffRPalette; |
||
| 594 | g = new GdalBuffer();
|
||
| 595 | g.buffByte = p.buffGPalette; |
||
| 596 | b = new GdalBuffer();
|
||
| 597 | b.buffByte = p.buffBPalette; |
||
| 598 | }else{
|
||
| 599 | r = bandR.readRaster(x, y, w, h, w, h, dataType); |
||
| 600 | 13128 | bsanchez | if (bandG != null) |
| 601 | 13130 | bsanchez | g = bandG.readRaster(x, y, w, h, w, h, dataType); |
| 602 | 13128 | bsanchez | if (bandB != null) |
| 603 | 13130 | bsanchez | b = bandB.readRaster(x, y, w, h, w, h, dataType); |
| 604 | |||
| 605 | if(metadata.isAlphaBand()){
|
||
| 606 | //if(getRasterCount() == 4 && shortName.equals("PNG")){
|
||
| 607 | a = bandA.readRaster(x, y, w, h, w, h, GDT_Byte); |
||
| 608 | }else{
|
||
| 609 | a.buffByte = new byte[w]; |
||
| 610 | for (int i = 0;i < w*h;i++) |
||
| 611 | a.buffByte[i] = (byte)255; |
||
| 612 | } |
||
| 613 | } |
||
| 614 | |||
| 615 | lastReadLine += ((double)bandH)*stepY;
|
||
| 616 | |||
| 617 | // TODO Acabar de implementarlo
|
||
| 618 | float k=0F; |
||
| 619 | 13128 | bsanchez | int alpha = (this.alpha & 0xff) << 24; |
| 620 | 13130 | bsanchez | for (int j=0, t=0; j<bandH; j++) { |
| 621 | k = j*w; t=j*currentViewWidth; |
||
| 622 | for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=stepX) { |
||
| 623 | buf[t+i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + ((r.buffByte[(int) k]) << 16) + ((g.buffByte[(int) k]) << 8) + b.buffByte[(int) k]; |
||
| 624 | } |
||
| 625 | } |
||
| 626 | |||
| 627 | 13128 | bsanchez | return err;
|
| 628 | 13130 | bsanchez | |
| 629 | 13128 | bsanchez | } |
| 630 | |||
| 631 | /* (non-Javadoc)
|
||
| 632 | * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
||
| 633 | */
|
||
| 634 | public Object[] getData(int x, int y) { |
||
| 635 | try {
|
||
| 636 | Object[] data = new Object[getRasterCount()]; |
||
| 637 | for(int i = 0; i < getRasterCount(); i++){ |
||
| 638 | GdalRasterBand rb = getRasterBand(i + 1);
|
||
| 639 | GdalBuffer r = rb.readRaster(x, y, 1, 1, 1, 1, dataType); |
||
| 640 | switch(dataType){
|
||
| 641 | case 0: break; //Sin tipo |
||
| 642 | case 1: data[i] = new Integer(r.buffByte[0]); //Buffer byte (8) |
||
| 643 | break;
|
||
| 644 | case 2: //Buffer short (16) |
||
| 645 | case 3: data[i] = new Integer(r.buffShort[0]); //Buffer short (16) |
||
| 646 | break;
|
||
| 647 | case 4: //Buffer int (32) |
||
| 648 | case 5: data[i] = new Integer(r.buffInt[0]); //Buffer int (32) |
||
| 649 | break;
|
||
| 650 | case 6: data[i] = new Float(r.buffFloat[0]); //Buffer float (32) |
||
| 651 | break;
|
||
| 652 | case 7: data[i] = new Double(r.buffDouble[0]); //Buffer double (64) |
||
| 653 | break;
|
||
| 654 | } |
||
| 655 | } |
||
| 656 | return data;
|
||
| 657 | } catch (GdalException e) {
|
||
| 658 | return null; |
||
| 659 | } |
||
| 660 | } |
||
| 661 | 13130 | bsanchez | |
| 662 | 13128 | bsanchez | void pintaInfo() {
|
| 663 | try {
|
||
| 664 | //System.out.println("Origin = "+originX+","+originY);
|
||
| 665 | //System.out.println("Origin = "+this.);
|
||
| 666 | System.out.println("GeoTransform:"); |
||
| 667 | GeoTransform trans = getGeoTransform(); |
||
| 668 | for (int i=0; i<6; i++) |
||
| 669 | System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
||
| 670 | System.out.println("Metadata:"); |
||
| 671 | String [] metadata = getMetadata(); |
||
| 672 | for (int i=0; i<metadata.length; i++) { |
||
| 673 | System.out.println(metadata[i]);
|
||
| 674 | } |
||
| 675 | } catch (GdalException e) {
|
||
| 676 | 13130 | bsanchez | |
| 677 | 13128 | bsanchez | } |
| 678 | 13130 | bsanchez | |
| 679 | 13128 | bsanchez | } |
| 680 | 13130 | bsanchez | |
| 681 | 13128 | bsanchez | void pintaPaleta() {
|
| 682 | } |
||
| 683 | 13130 | bsanchez | |
| 684 | 13128 | bsanchez | public int getBlockSize(){ |
| 685 | return this.getBlockSize(); |
||
| 686 | } |
||
| 687 | |||
| 688 | /**
|
||
| 689 | * Obtiene el objeto que contiene los metadatos
|
||
| 690 | */
|
||
| 691 | public Metadata getMetadataJavaObject() {
|
||
| 692 | return metadata;
|
||
| 693 | } |
||
| 694 | |||
| 695 | /**
|
||
| 696 | * Obtiene el flag que dice si la imagen est? o no georreferenciada
|
||
| 697 | * @return true si est? georreferenciada y false si no lo est?.
|
||
| 698 | */
|
||
| 699 | public boolean isGeoreferenced() { |
||
| 700 | return georeferenced;
|
||
| 701 | } |
||
| 702 | } |
||
| 703 | |||
| 704 | /**
|
||
| 705 | * @author Luis W. Sevilla
|
||
| 706 | */
|
||
| 707 | public class GdalFile extends GeoRasterFile { |
||
| 708 | public final static int BAND_HEIGHT = 64; |
||
| 709 | protected GdalNative file = null; |
||
| 710 | |||
| 711 | private Extent v = null; |
||
| 712 | 13130 | bsanchez | |
| 713 | 13128 | bsanchez | public GdalFile(IProjection proj, String fName){ |
| 714 | super(proj, fName);
|
||
| 715 | extent = new Extent();
|
||
| 716 | try {
|
||
| 717 | file = new GdalNative(fName);
|
||
| 718 | load(); |
||
| 719 | readGeoInfo(fName); |
||
| 720 | 13130 | bsanchez | bandCount = file.getRasterCount(); |
| 721 | 13128 | bsanchez | if ( bandCount > 2) { |
| 722 | setBand(RED_BAND, 0);
|
||
| 723 | setBand(GREEN_BAND, 1);
|
||
| 724 | setBand(BLUE_BAND, 2);
|
||
| 725 | } else
|
||
| 726 | setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
||
| 727 | } catch(Exception e){ |
||
| 728 | 13130 | bsanchez | System.out.println("Error en GdalOpen"); |
| 729 | e.printStackTrace(); |
||
| 730 | file = null;
|
||
| 731 | 13128 | bsanchez | } |
| 732 | 13130 | bsanchez | |
| 733 | 13128 | bsanchez | switch(file.getDataType()){
|
| 734 | 13130 | bsanchez | case 1:setDataType(DataBuffer.TYPE_BYTE);break;//GDT_BYTE |
| 735 | case 2://GDT_UInt16 |
||
| 736 | case 3:setDataType(DataBuffer.TYPE_SHORT);break;//GDT_Int16 |
||
| 737 | 13128 | bsanchez | case 4://GDT_UInt32 |
| 738 | case 5:setDataType(DataBuffer.TYPE_INT);break;//GDT_Int32 |
||
| 739 | case 6:setDataType(DataBuffer.TYPE_FLOAT);break;//GDT_Float32 |
||
| 740 | case 7:setDataType(DataBuffer.TYPE_DOUBLE);break;//GDT_Float64 |
||
| 741 | case 8:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt16 |
||
| 742 | case 9:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt32 |
||
| 743 | case 10:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat32 |
||
| 744 | case 11:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat64 |
||
| 745 | } |
||
| 746 | 13130 | bsanchez | |
| 747 | 13128 | bsanchez | } |
| 748 | 13130 | bsanchez | |
| 749 | 13128 | bsanchez | /**
|
| 750 | * Obtenemos o calculamos el extent de la imagen.
|
||
| 751 | */
|
||
| 752 | 13173 | bsanchez | public GeoFileSE load() {
|
| 753 | 13128 | bsanchez | extent = new Extent(file.bBoxRot.minX, file.bBoxRot.minY, file.bBoxRot.maxX, file.bBoxRot.maxY);
|
| 754 | requestExtent = new Extent(file.bBoxWithoutRot.minX, file.bBoxWithoutRot.minY, file.bBoxWithoutRot.maxX, file.bBoxWithoutRot.maxY);
|
||
| 755 | return this; |
||
| 756 | } |
||
| 757 | 13130 | bsanchez | |
| 758 | 13128 | bsanchez | /**
|
| 759 | * Cierra el fichero de imagen
|
||
| 760 | */
|
||
| 761 | public void close() { |
||
| 762 | try {
|
||
| 763 | if(file != null){ |
||
| 764 | file.close(); |
||
| 765 | file = null;
|
||
| 766 | } |
||
| 767 | } catch (GdalException e) {
|
||
| 768 | // TODO Auto-generated catch block
|
||
| 769 | e.printStackTrace(); |
||
| 770 | } |
||
| 771 | } |
||
| 772 | 13130 | bsanchez | |
| 773 | 13128 | bsanchez | /**
|
| 774 | * Asigna a cada banda R,G o B una banda de la imagen
|
||
| 775 | */
|
||
| 776 | public void setBand(int flag, int bandNr) { |
||
| 777 | super.setBand(flag, bandNr);
|
||
| 778 | if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
||
| 779 | if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
||
| 780 | if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
||
| 781 | } |
||
| 782 | 13130 | bsanchez | |
| 783 | 13128 | bsanchez | /**
|
| 784 | * Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n
|
||
| 785 | * de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v)
|
||
| 786 | * ha de estar en coordenadas del fichero.
|
||
| 787 | */
|
||
| 788 | 13130 | bsanchez | public void setView(Extent e) { |
| 789 | 13128 | bsanchez | if(rmfExists){
|
| 790 | 13130 | bsanchez | |
| 791 | 13128 | bsanchez | Point2D.Double petInit = null, petEnd = null; |
| 792 | try{
|
||
| 793 | petInit = new Point2D.Double(e.minX(), e.maxY()); |
||
| 794 | petEnd = new Point2D.Double(e.maxX(), e.minY()); |
||
| 795 | transformRMF.inverseTransform(petInit, petInit); |
||
| 796 | transformRMF.inverseTransform(petEnd, petEnd); |
||
| 797 | transformTFW.transform(petInit, petInit); |
||
| 798 | transformTFW.transform(petEnd, petEnd); |
||
| 799 | }catch(NoninvertibleTransformException ex){} |
||
| 800 | double h = file.bBoxWithoutRot.maxY - file.bBoxWithoutRot.minY;
|
||
| 801 | if(!file.isGeoreferenced())
|
||
| 802 | 13130 | bsanchez | v = new Extent( petInit.getX(), h - petInit.getY(), petEnd.getX(), h - petEnd.getY());
|
| 803 | 13128 | bsanchez | else
|
| 804 | v = new Extent( petInit.getX(), petInit.getY(), petEnd.getX(), petEnd.getY());
|
||
| 805 | 13130 | bsanchez | |
| 806 | 13128 | bsanchez | }else
|
| 807 | 13130 | bsanchez | v = new Extent(e.minX(), e.minY(), e.maxX(), e.maxY());
|
| 808 | 13128 | bsanchez | } |
| 809 | 13130 | bsanchez | |
| 810 | 13128 | bsanchez | /**
|
| 811 | * Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
|
||
| 812 | * asociado. En Gdal el origen de coordenadas en Y es el valor m?nimo y crece hasta el m?ximo. De la
|
||
| 813 | * misma forma calcula la matriz de transformaci?n de la cabecera del fichero o del world file asociado
|
||
| 814 | * @param originX Origen de la imagen en la coordenada X
|
||
| 815 | * @param originY Origen de la imagen en la coordenada Y
|
||
| 816 | */
|
||
| 817 | 13130 | bsanchez | public void setExtentTransform(double originX, double originY, double psX, double psY) { |
| 818 | 13128 | bsanchez | transformRMF.setToTranslation(originX, originY); |
| 819 | transformRMF.scale(psX, psY); |
||
| 820 | 13130 | bsanchez | |
| 821 | if(file.trans != null){ |
||
| 822 | 13128 | bsanchez | transformTFW.setToTranslation(file.trans.adfgeotransform[0], file.trans.adfgeotransform[3]); |
| 823 | transformTFW.scale(file.trans.adfgeotransform[1], file.trans.adfgeotransform[5]); |
||
| 824 | } |
||
| 825 | } |
||
| 826 | 13130 | bsanchez | |
| 827 | 13128 | bsanchez | /**
|
| 828 | * Obtiene extent de la vista actual
|
||
| 829 | */
|
||
| 830 | 13130 | bsanchez | public Extent getView() {
|
| 831 | return v;
|
||
| 832 | 13128 | bsanchez | } |
| 833 | 13130 | bsanchez | |
| 834 | 13128 | bsanchez | /**
|
| 835 | * Obtiene la anchura del fichero
|
||
| 836 | */
|
||
| 837 | 13130 | bsanchez | public int getWidth() { |
| 838 | return file.width;
|
||
| 839 | 13128 | bsanchez | } |
| 840 | 13130 | bsanchez | |
| 841 | 13128 | bsanchez | /**
|
| 842 | * Obtiene la altura del fichero
|
||
| 843 | */
|
||
| 844 | 13130 | bsanchez | public int getHeight() { |
| 845 | 13128 | bsanchez | return file.height;
|
| 846 | } |
||
| 847 | |||
| 848 | /* (non-Javadoc)
|
||
| 849 | * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
||
| 850 | */
|
||
| 851 | public void reProject(ICoordTrans rp) { |
||
| 852 | // TODO Auto-generated method stub
|
||
| 853 | } |
||
| 854 | 13130 | bsanchez | |
| 855 | 13128 | bsanchez | /**
|
| 856 | * Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder
|
||
| 857 | 13130 | bsanchez | * asignarlo en el setView. Esto es util para poder conocer como debe leerse la image,
|
| 858 | * de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda.
|
||
| 859 | * La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose
|
||
| 860 | 13128 | bsanchez | * en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son:
|
| 861 | * <UL>
|
||
| 862 | * <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
|
||
| 863 | * <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
|
||
| 864 | * <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
|
||
| 865 | * <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
|
||
| 866 | * </UL>
|
||
| 867 | 13130 | bsanchez | *
|
| 868 | 13128 | bsanchez | * @return
|
| 869 | */
|
||
| 870 | private boolean[] getOrientation(){ |
||
| 871 | boolean[] orientation = {true, false}; |
||
| 872 | if(!rmfExists){
|
||
| 873 | if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[5] > 0) |
||
| 874 | orientation[1] = true; |
||
| 875 | if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[1] < 0) |
||
| 876 | orientation[0] = false; |
||
| 877 | }else{
|
||
| 878 | if(rmfTransform.getScaleY() > 0) |
||
| 879 | orientation[1] = true; |
||
| 880 | if(rmfTransform.getScaleX() < 0) |
||
| 881 | orientation[0] = false; |
||
| 882 | } |
||
| 883 | return orientation;
|
||
| 884 | } |
||
| 885 | 13130 | bsanchez | |
| 886 | 13128 | bsanchez | /* (non-Javadoc)
|
| 887 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
||
| 888 | */
|
||
| 889 | public Image updateImage(int width, int height, ICoordTrans rp) { |
||
| 890 | int line, pRGBArray[] = null; |
||
| 891 | Image image = null; |
||
| 892 | 13130 | bsanchez | |
| 893 | 13128 | bsanchez | if (mustVerifySize()) {
|
| 894 | // Work out the correct aspect for the setView call.
|
||
| 895 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
| 896 | double dWindowAspect = (double)width /(double)height; |
||
| 897 | 13130 | bsanchez | |
| 898 | 13128 | bsanchez | if (dFileAspect > dWindowAspect) {
|
| 899 | 13130 | bsanchez | height =(int)((double)width/dFileAspect); |
| 900 | 13128 | bsanchez | } else {
|
| 901 | 13130 | bsanchez | width = (int)((double)height*dFileAspect); |
| 902 | 13128 | bsanchez | } |
| 903 | } |
||
| 904 | 13130 | bsanchez | |
| 905 | // Set the view
|
||
| 906 | 13128 | bsanchez | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 907 | width, height, getOrientation()); |
||
| 908 | 13130 | bsanchez | |
| 909 | 13128 | bsanchez | if(width<=0)width=1; |
| 910 | if(height<=0)height=1; |
||
| 911 | 13130 | bsanchez | |
| 912 | 13128 | bsanchez | image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 913 | //image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
||
| 914 | pRGBArray = new int[width/**BAND_HEIGHT*/]; |
||
| 915 | try {
|
||
| 916 | //int nLin = height % BAND_HEIGHT;
|
||
| 917 | file.setAlpha(getAlpha()); |
||
| 918 | setBand(RED_BAND, rBandNr); |
||
| 919 | setBand(GREEN_BAND, gBandNr); |
||
| 920 | setBand(BLUE_BAND, bBandNr); |
||
| 921 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
| 922 | //int bandH = Math.min(BAND_HEIGHT, height-line);
|
||
| 923 | //file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
||
| 924 | file.readLineRGBA(pRGBArray); |
||
| 925 | setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
||
| 926 | } |
||
| 927 | } catch (Exception e) { |
||
| 928 | // TODO Auto-generated catch block
|
||
| 929 | e.printStackTrace(); |
||
| 930 | } |
||
| 931 | 13130 | bsanchez | |
| 932 | 13128 | bsanchez | return image;
|
| 933 | } |
||
| 934 | 13130 | bsanchez | |
| 935 | 13128 | bsanchez | public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
| 936 | int line;
|
||
| 937 | RasterBuf raster = null;
|
||
| 938 | 13130 | bsanchez | |
| 939 | 13128 | bsanchez | if(mustVerifySize()){
|
| 940 | // Work out the correct aspect for the setView call.
|
||
| 941 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
| 942 | double dWindowAspect = (double)width /(double)height; |
||
| 943 | 13130 | bsanchez | |
| 944 | 13128 | bsanchez | if (dFileAspect > dWindowAspect) {
|
| 945 | 13130 | bsanchez | height =(int)((double)width/dFileAspect); |
| 946 | 13128 | bsanchez | } else {
|
| 947 | 13130 | bsanchez | width = (int)((double)height*dFileAspect); |
| 948 | 13128 | bsanchez | } |
| 949 | } |
||
| 950 | 13130 | bsanchez | |
| 951 | 13128 | bsanchez | // Set the view
|
| 952 | boolean[] orientation = getOrientation(); |
||
| 953 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
| 954 | width, height, orientation); |
||
| 955 | 13130 | bsanchez | |
| 956 | 13128 | bsanchez | raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0)); |
| 957 | try {
|
||
| 958 | |||
| 959 | file.setAlpha(getAlpha()); |
||
| 960 | setBand(RED_BAND, rBandNr); |
||
| 961 | setBand(GREEN_BAND, gBandNr); |
||
| 962 | setBand(BLUE_BAND, bBandNr); |
||
| 963 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
| 964 | file.readLine(raster.getLineInt(line)); |
||
| 965 | } |
||
| 966 | } catch (Exception e) { |
||
| 967 | e.printStackTrace(); |
||
| 968 | } |
||
| 969 | 13130 | bsanchez | |
| 970 | 13128 | bsanchez | return raster;
|
| 971 | } |
||
| 972 | 13130 | bsanchez | |
| 973 | 13128 | bsanchez | /**
|
| 974 | 13130 | bsanchez | * Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
| 975 | 13128 | bsanchez | * vector de enteros.
|
| 976 | * @param image imagen con los datos actuales
|
||
| 977 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
| 978 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
| 979 | * @param w Ancho de la imagen
|
||
| 980 | * @param h Alto de la imagen
|
||
| 981 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
| 982 | * @param offset desplazamiento
|
||
| 983 | * @param scansize tama?o de imagen recorrida por cada p
|
||
| 984 | */
|
||
| 985 | 13130 | bsanchez | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 986 | 13128 | bsanchez | int offset, int scansize) { |
| 987 | image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
||
| 988 | } |
||
| 989 | 13130 | bsanchez | |
| 990 | 13128 | bsanchez | /**
|
| 991 | 13130 | bsanchez | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 992 | 13128 | bsanchez | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 993 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
| 994 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
| 995 | * @param image imagen con los datos actuales
|
||
| 996 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
| 997 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
| 998 | * @param w Ancho de la imagen
|
||
| 999 | * @param h Alto de la imagen
|
||
| 1000 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
| 1001 | * @param offset desplazamiento
|
||
| 1002 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
| 1003 | * @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
| 1004 | */
|
||
| 1005 | 13130 | bsanchez | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 1006 | 13128 | bsanchez | int offset, int scansize, int flags) { |
| 1007 | 13130 | bsanchez | int [] line = new int[rgbArray.length]; |
| 1008 | 13128 | bsanchez | image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 1009 | if (flags == GeoRasterFile.RED_BAND)
|
||
| 1010 | for (int i=0; i<line.length; i++) |
||
| 1011 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
| 1012 | else if (flags == GeoRasterFile.GREEN_BAND) |
||
| 1013 | for (int i=0; i<line.length; i++) |
||
| 1014 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
| 1015 | else if (flags == GeoRasterFile.BLUE_BAND) |
||
| 1016 | for (int i=0; i<line.length; i++) |
||
| 1017 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
| 1018 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
| 1019 | } |
||
| 1020 | 13130 | bsanchez | |
| 1021 | 13128 | bsanchez | /**
|
| 1022 | 13130 | bsanchez | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 1023 | 13128 | bsanchez | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 1024 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
| 1025 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
| 1026 | * @param image imagen con los datos actuales
|
||
| 1027 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
| 1028 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
| 1029 | * @param w Ancho de la imagen
|
||
| 1030 | * @param h Alto de la imagen
|
||
| 1031 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
| 1032 | * @param offset desplazamiento
|
||
| 1033 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
| 1034 | * @param origBand Banda origen del GeoRasterFile
|
||
| 1035 | * @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
| 1036 | */
|
||
| 1037 | 13130 | bsanchez | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 1038 | 13128 | bsanchez | int offset, int scansize, int origBand, int destBandFlag) { |
| 1039 | 13130 | bsanchez | int [] line = new int[rgbArray.length]; |
| 1040 | 13128 | bsanchez | image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 1041 | if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
||
| 1042 | for (int i=0; i<line.length; i++) |
||
| 1043 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
| 1044 | else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
| 1045 | for (int i=0; i<line.length; i++) |
||
| 1046 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
| 1047 | else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
| 1048 | for (int i=0; i<line.length; i++) |
||
| 1049 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
| 1050 | 13130 | bsanchez | |
| 1051 | 13128 | bsanchez | else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 1052 | for (int i=0; i<line.length; i++) |
||
| 1053 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
||
| 1054 | else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
| 1055 | for (int i=0; i<line.length; i++) |
||
| 1056 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
||
| 1057 | else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
||
| 1058 | for (int i=0; i<line.length; i++) |
||
| 1059 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
||
| 1060 | 13130 | bsanchez | |
| 1061 | 13128 | bsanchez | else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 1062 | for (int i=0; i<line.length; i++) |
||
| 1063 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
||
| 1064 | else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
||
| 1065 | for (int i=0; i<line.length; i++) |
||
| 1066 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
||
| 1067 | else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
| 1068 | for (int i=0; i<line.length; i++) |
||
| 1069 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
||
| 1070 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
| 1071 | } |
||
| 1072 | 13130 | bsanchez | |
| 1073 | /*
|
||
| 1074 | 13128 | bsanchez | private void showOnOpen() {
|
| 1075 | 13130 | bsanchez | // Report en la apertura (quitar)
|
| 1076 | System.out.println("Fichero GDAL '"+getName()+"' abierto.");
|
||
| 1077 | System.out.println("Version = "+file.version);
|
||
| 1078 | System.out.println(" Size = ("+file.width+","+file.height+")");
|
||
| 1079 | try {
|
||
| 1080 | 13128 | bsanchez | System.out.println(" NumBands = ("+file.getRasterCount()+")");
|
| 1081 | } catch (GdalException e) {
|
||
| 1082 | // TODO Auto-generated catch block
|
||
| 1083 | e.printStackTrace();
|
||
| 1084 | }
|
||
| 1085 | 13130 | bsanchez | //file.pintaInfo();
|
| 1086 | file.pintaPaleta();
|
||
| 1087 | 13128 | bsanchez | |
| 1088 | }
|
||
| 1089 | 13130 | bsanchez | */
|
| 1090 | 13128 | bsanchez | |
| 1091 | /* (non-Javadoc)
|
||
| 1092 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
||
| 1093 | */
|
||
| 1094 | public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
||
| 1095 | int line, pRGBArray[] = null; |
||
| 1096 | 13130 | bsanchez | |
| 1097 | 13128 | bsanchez | if(mustVerifySize()){
|
| 1098 | // Work out the correct aspect for the setView call.
|
||
| 1099 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
| 1100 | double dWindowAspect = (double)width /(double)height; |
||
| 1101 | 13130 | bsanchez | |
| 1102 | 13128 | bsanchez | if (dFileAspect > dWindowAspect) {
|
| 1103 | 13130 | bsanchez | height =(int)((double)width/dFileAspect); |
| 1104 | 13128 | bsanchez | } else {
|
| 1105 | 13130 | bsanchez | width = (int)((double)height*dFileAspect); |
| 1106 | 13128 | bsanchez | } |
| 1107 | } |
||
| 1108 | 13130 | bsanchez | |
| 1109 | 13128 | bsanchez | // Set the view
|
| 1110 | boolean[] orientation = getOrientation(); |
||
| 1111 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
| 1112 | width, height, orientation); |
||
| 1113 | 13130 | bsanchez | |
| 1114 | 13128 | bsanchez | if(width<=0)width=1; |
| 1115 | if(height<=0)height=1; |
||
| 1116 | 13130 | bsanchez | |
| 1117 | 13128 | bsanchez | pRGBArray = new int[width]; |
| 1118 | try {
|
||
| 1119 | setBand(RED_BAND, rBandNr); |
||
| 1120 | setBand(GREEN_BAND, gBandNr); |
||
| 1121 | setBand(BLUE_BAND, bBandNr); |
||
| 1122 | file.setAlpha(getAlpha()); |
||
| 1123 | if(img!=null){ |
||
| 1124 | if(orientation[1]){ |
||
| 1125 | for (line=0; line < height; line++) { |
||
| 1126 | file.readLineRGBA(pRGBArray); |
||
| 1127 | setRGBLine((BufferedImage) img, 0, height - 1 - line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
||
| 1128 | 13130 | bsanchez | } |
| 1129 | 13128 | bsanchez | }else{
|
| 1130 | for (line=0; line < height; line++) { |
||
| 1131 | file.readLineRGBA(pRGBArray); |
||
| 1132 | setRGBLine((BufferedImage) img, 0, line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
||
| 1133 | } |
||
| 1134 | } |
||
| 1135 | return img;
|
||
| 1136 | }else{
|
||
| 1137 | Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
||
| 1138 | if(orientation[1]){ |
||
| 1139 | for (line=0; line < height; line++) { |
||
| 1140 | file.readLineRGBA(pRGBArray); |
||
| 1141 | setRGBLine((BufferedImage) image, 0, height - 1 - line, width, 1, pRGBArray, 0, width); |
||
| 1142 | 13130 | bsanchez | } |
| 1143 | 13128 | bsanchez | }else{
|
| 1144 | for (line=0; line < height; line++) { |
||
| 1145 | file.readLineRGBA(pRGBArray); |
||
| 1146 | setRGBLine((BufferedImage) image, 0, line, width, 1, pRGBArray, 0, width); |
||
| 1147 | } |
||
| 1148 | } |
||
| 1149 | return image;
|
||
| 1150 | } |
||
| 1151 | } catch (Exception e) { |
||
| 1152 | // TODO Auto-generated catch block
|
||
| 1153 | e.printStackTrace(); |
||
| 1154 | } |
||
| 1155 | 13130 | bsanchez | |
| 1156 | 13128 | bsanchez | return img;
|
| 1157 | } |
||
| 1158 | 13130 | bsanchez | |
| 1159 | 13128 | bsanchez | /* (non-Javadoc)
|
| 1160 | * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
||
| 1161 | */
|
||
| 1162 | public Object getData(int x, int y, int band) { |
||
| 1163 | if(file != null){ |
||
| 1164 | Object[] data = file.getData(x, y); |
||
| 1165 | return data[band];
|
||
| 1166 | } |
||
| 1167 | return null; |
||
| 1168 | } |
||
| 1169 | 13130 | bsanchez | |
| 1170 | 13128 | bsanchez | /**
|
| 1171 | * Devuelve los datos de una ventana solicitada
|
||
| 1172 | * @param ulX coordenada X superior izda.
|
||
| 1173 | * @param ulY coordenada Y superior derecha.
|
||
| 1174 | * @param sizeX tama?o en X de la ventana.
|
||
| 1175 | * @param sizeY tama?o en Y de la ventana.
|
||
| 1176 | * @param band Banda solicitada.
|
||
| 1177 | */
|
||
| 1178 | public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
||
| 1179 | 13130 | bsanchez | |
| 1180 | 13128 | bsanchez | return null; |
| 1181 | } |
||
| 1182 | 13130 | bsanchez | |
| 1183 | 13128 | bsanchez | /**
|
| 1184 | * Obtiene la zona (Norte / Sur)
|
||
| 1185 | * @return true si la zona es norte y false si es sur
|
||
| 1186 | */
|
||
| 1187 | 13130 | bsanchez | |
| 1188 | 13128 | bsanchez | public boolean getZone(){ |
| 1189 | 13130 | bsanchez | |
| 1190 | 13128 | bsanchez | return false; |
| 1191 | } |
||
| 1192 | 13130 | bsanchez | |
| 1193 | 13128 | bsanchez | /**
|
| 1194 | *Devuelve el n?mero de zona UTM
|
||
| 1195 | 13130 | bsanchez | *@return N?mero de zona
|
| 1196 | 13128 | bsanchez | */
|
| 1197 | 13130 | bsanchez | |
| 1198 | 13128 | bsanchez | public int getUTM(){ |
| 1199 | 13130 | bsanchez | |
| 1200 | return 0; |
||
| 1201 | 13128 | bsanchez | } |
| 1202 | 13130 | bsanchez | |
| 1203 | 13128 | bsanchez | /**
|
| 1204 | * Obtiene el sistema de coordenadas geograficas
|
||
| 1205 | * @return Sistema de coordenadas geogr?ficas
|
||
| 1206 | */
|
||
| 1207 | public String getGeogCS(){ |
||
| 1208 | 13130 | bsanchez | |
| 1209 | return new String(""); |
||
| 1210 | 13128 | bsanchez | } |
| 1211 | 13130 | bsanchez | |
| 1212 | 13128 | bsanchez | /**
|
| 1213 | * Devuelve el tama?o de bloque
|
||
| 1214 | * @return Tama?o de bloque
|
||
| 1215 | */
|
||
| 1216 | public int getBlockSize(){ |
||
| 1217 | 13130 | bsanchez | return file.getBlockSize();
|
| 1218 | 13128 | bsanchez | } |
| 1219 | 13130 | bsanchez | |
| 1220 | 13128 | bsanchez | /**
|
| 1221 | * Obtiene el objeto que contiene los metadatos
|
||
| 1222 | */
|
||
| 1223 | public Metadata getMetadata() {
|
||
| 1224 | if(file != null) |
||
| 1225 | return file.getMetadataJavaObject();
|
||
| 1226 | 13130 | bsanchez | else
|
| 1227 | 13128 | bsanchez | return null; |
| 1228 | } |
||
| 1229 | 13130 | bsanchez | |
| 1230 | 13128 | bsanchez | /**
|
| 1231 | * Obtiene el flag que dice si la imagen est? o no georreferenciada
|
||
| 1232 | * @return true si est? georreferenciada y false si no lo est?.
|
||
| 1233 | */
|
||
| 1234 | public boolean isGeoreferenced() { |
||
| 1235 | return file.isGeoreferenced();
|
||
| 1236 | } |
||
| 1237 | 13130 | bsanchez | |
| 1238 | 13128 | bsanchez | /**
|
| 1239 | * Obtiene los par?metros de la transformaci?n af?n que corresponde con los elementos de
|
||
| 1240 | * un fichero tfw.
|
||
| 1241 | 13130 | bsanchez | * <UL>
|
| 1242 | 13128 | bsanchez | * <LI>[1]tama?o de pixel en X</LI>
|
| 1243 | * <LI>[2]rotaci?n en X</LI>
|
||
| 1244 | * <LI>[4]rotaci?n en Y</LI>
|
||
| 1245 | * <LI>[5]tama?o de pixel en Y</LI>
|
||
| 1246 | * <LI>[0]origen en X</LI>
|
||
| 1247 | * <LI>[3]origen en Y</LI>
|
||
| 1248 | * </UL>
|
||
| 1249 | * Este m?todo debe ser reimplementado por el driver si tiene esta informaci?n. En principio
|
||
| 1250 | * Gdal es capaz de proporcionarla de esta forma.
|
||
| 1251 | 13130 | bsanchez | *
|
| 1252 | 13128 | bsanchez | * En caso de que exista fichero .rmf asociado al raster pasaremos de la informaci?n de georreferenciaci?n
|
| 1253 | * del .tfw y devolveremos la que est? asociada al rmf
|
||
| 1254 | * @return vector de double con los elementos de la transformaci?n af?n.
|
||
| 1255 | */
|
||
| 1256 | public double[] getTransform(){ |
||
| 1257 | if(file != null && file.trans != null && !this.rmfExists()) |
||
| 1258 | return file.trans.adfgeotransform;
|
||
| 1259 | else{
|
||
| 1260 | if(this.rmfExists){ |
||
| 1261 | 13130 | bsanchez | double[] rmfGeoref = { rmfTransform.getTranslateX(), |
| 1262 | 13128 | bsanchez | rmfTransform.getScaleX(), |
| 1263 | 13130 | bsanchez | rmfTransform.getShearX(), |
| 1264 | 13128 | bsanchez | rmfTransform.getTranslateY(), |
| 1265 | rmfTransform.getShearY(), |
||
| 1266 | rmfTransform.getScaleY()}; |
||
| 1267 | return rmfGeoref;
|
||
| 1268 | } |
||
| 1269 | return null; |
||
| 1270 | } |
||
| 1271 | 13130 | bsanchez | |
| 1272 | 13128 | bsanchez | } |
| 1273 | } |
||
| 1274 |