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/*
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 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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 * 
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 * Copyright (C) 2004-5. 
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 * 
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 * cresques@gmail.com
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 */
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package org.cresques.io;
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import java.awt.Color;
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import java.awt.Image;
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import java.awt.Point;
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import java.awt.geom.Point2D;
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import java.awt.image.BufferedImage;
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import java.awt.image.DataBuffer;
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import java.io.IOException;
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import java.util.Vector;
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import org.cresques.cts.ICoordTrans;
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import org.cresques.cts.IProjection;
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import org.cresques.io.raster.RasterBuf;
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import org.cresques.px.Extent;
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import es.gva.cit.jgdal.Gdal;
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import es.gva.cit.jgdal.GdalBuffer;
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import es.gva.cit.jgdal.GdalException;
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import es.gva.cit.jgdal.GdalRasterBand;
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import es.gva.cit.jgdal.GeoTransform;
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/**
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 * Soporte 'nativo' para ficheros desde GDAL.
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 * Este conjunto de funcionalidades est? tomado de manera casi literal
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 * del soporte para ECW de ermapper.<br>
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 * Probablemente esto deber?a formar parte del JNI que recubre a la
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 * librer?a en C extraida de gdal.<br>
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 * Lo pongo aqu? a manera de ejemplo de como atacar un formato binario
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 * desde Java.<br><br>   
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 * @author Luis W. Sevilla.
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 */
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class GdalNative extends Gdal {
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        static boolean WITH_OVERVIEWS = true;
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        // Polilinea con extent
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        class Contour extends Vector {
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                public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE;
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                public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE;
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                public Contour() {
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                        super();
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                }
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                public void add(Point2D pt) {
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                        super.add(pt);
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                        if (pt.getX() > maxX) maxX = pt.getX();
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                        if (pt.getX() < minX) minX = pt.getX();
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                        if (pt.getY() > maxY) maxY = pt.getY();
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                        if (pt.getY() < minY) minY = pt.getY();
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                }
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        }
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        /**
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         * Contorno en coordenadas geogr?ficas. (y Extent del raster).
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         */
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        public Contour esq = new Contour();
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        public int width = 0, height = 0;
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        public double originX = 0D, originY = 0D;
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        public String version = "";
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        private int alpha = 0;
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        protected int rBandNr = 1, gBandNr = 2, bBandNr = 3;
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        private int dataType = GDT_Byte;
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        public GdalNative(String fName) throws GdalException, IOException {
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                super();
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                init(fName);
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        }
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        private void init(String fName) throws GdalException, IOException {
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                open(fName,GA_ReadOnly);
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                String ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1);
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                if (ext.compareTo("tif") == 0)
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                        WITH_OVERVIEWS = false;
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                width = getRasterXSize();
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                height = getRasterYSize();
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                if (true) { //ext.compareTo("sid") == 0) {
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                        String [] metadata = getMetadata();
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                        double ox=0D, oy=0D, resx=0D, resy=0D;
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                        GeoTransform trans = getGeoTransform();
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                        ox = trans.adfgeotransform[0];
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                        oy = trans.adfgeotransform[3];
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                        resx = trans.adfgeotransform[1];
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                        resy = trans.adfgeotransform[5];
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                        System.out.println("Origin = ("+ox+","+oy+")");
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                        System.out.println("Pixel Size = ("+resx+","+resy+")");
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                          esq.add(new Point2D.Double(ox, oy));
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                          esq.add(new Point2D.Double(ox+resx*width, oy));
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                          esq.add(new Point2D.Double(ox, oy+resy*height));
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                          esq.add(new Point2D.Double(ox+resx*width, oy+resy*height));
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                } else  { //version.startsWith("1")) {
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                          //double [] transParam = getGeoTransform();
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                          esq.add(new Point2D.Double(0D,height));
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                          esq.add(new Point2D.Double(0D,0D));
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                          esq.add(new Point2D.Double(width,0D));
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                          esq.add(new Point2D.Double(width,height));
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                  }
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                setDataType(this.getRasterBand(1).getRasterDataType());
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        }
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        public void setAlpha(int a) { alpha = a; }
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125
        public void setDataType(int dt) { dataType = dt; }
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        public int getDataType() { return dataType; }
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        double lastReadLine = -1;
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        int currentFullWidth = -1;
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        int currentFullHeight = -1;
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        int currentViewWidth = -1;
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        int currentViewHeight = -1;
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        double currentViewX = 0D;
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        double viewportScale = 0D;
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        double step = 0D;
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        int currentOverview = -1;
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138
        protected GdalRasterBand bandR=null, bandG=null, bandB=null;
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        /**
142
         * Devuelve la banda actualmente en uso para el color especificado.
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         * @param color 0=Rojo, 1=Green, 2=Blue.
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         * @return
145
         */
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        public GdalRasterBand getCurrentBand(int color) {
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                if (color == 0) return bandR;
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                else if (color == 1) return bandG;
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                return bandB;
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        }
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        // Supone rasters no girados
152
        public Point2D worldToRaster(Point2D pt) {
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                double x = (((double) currentFullWidth)/(esq.maxX-esq.minX))*(pt.getX()-esq.minX);
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                double y = (((double) currentFullHeight)/(esq.maxY-esq.minY))*(esq.maxY-pt.getY());
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                Point2D ptRes = new Point2D.Double(x, y);
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                return ptRes;
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        }
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159
        public int setView(double dWorldTLX, double dWorldTLY,
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            double dWorldBRX, double dWorldBRY,
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            int nWidth, int nHeight) {
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                int err = 0;
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                currentFullWidth = width;
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                currentFullHeight = height;
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                Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY));
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                Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY));
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                // Calcula cual es la primera l?nea a leer;
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                currentViewWidth = nWidth;
169
                currentViewHeight = nHeight;
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171
                currentViewX = tl.getX();
172
                viewportScale = (double) currentViewWidth/(br.getX()-tl.getX());
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                step = 1D/viewportScale;
174
                lastReadLine = tl.getY();
175
                try {
176
                        // calcula el overview a usar
177
                        bandR = getRasterBand(1);
178
                        currentOverview = -1;
179
                        if (WITH_OVERVIEWS && bandR.getOverviewCount() > 0) {
180
                                GdalRasterBand ovb = null;
181
                                for (int i=bandR.getOverviewCount()-1; i>0; i--) {              
182
                                        ovb = bandR.getOverview(i);
183
                                        if (ovb.getRasterBandXSize()>getRasterXSize()*viewportScale) {
184
                                                currentOverview = i;
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                                    viewportScale *= ((double) width/(double) ovb.getRasterBandXSize());
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                                    step = 1D/viewportScale;
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                                    currentFullWidth = ovb.getRasterBandXSize();
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                                    currentFullHeight = ovb.getRasterBandYSize();
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                                    tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY));
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                                    currentViewX = tl.getX();
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                                    lastReadLine = tl.getY();
192
                                    break;
193
                                        }
194
                                }
195
                        }
196
        
197
                        // Selecciona las bandas y los overviews necesarios
198
                        bandR = getRasterBand(rBandNr);
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                        setDataType(bandR.getRasterDataType());
200
                        if (this.getRasterCount() > 1) {
201
                                bandG = getRasterBand(gBandNr);
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                                bandB = getRasterBand(bBandNr);
203
                        }
204
                        if (currentOverview > 0) {
205
                                bandR = bandR.getOverview(currentOverview);
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                            if (this.getRasterCount() > 1) {
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                                        bandG = bandG.getOverview(currentOverview);
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                                        bandB = bandB.getOverview(currentOverview);
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                                }
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                        }
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                        //System.out.println(band.)
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                } catch (GdalException e) {
214
                        // TODO Auto-generated catch block
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                        e.printStackTrace();
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                }
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                System.out.println("GdalFile: TL=("+dWorldTLX+","+dWorldTLY+
219
                        "); BR=("+dWorldBRX+","+dWorldBRY+")\n"+
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                        "GdalFile: escala="+viewportScale+"; lastReadLine="+lastReadLine+"\n"+
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                    "Actual Raster Size="+currentFullWidth+"x"+currentFullHeight+
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                        "\nDataType="+dataType);
223
                return err;
224
        }
225
        
226
        int lastY = -1;
227
        
228
        public void readLine(int[][] line) throws GdalException {
229
                int err = 0;
230
                int nbands = getRasterCount();
231
                GdalRasterBand band = null;
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        int w = (int)(((double)currentViewWidth)*step);
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        int x = (int) currentViewX;
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        int y = (int) lastReadLine;
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        GdalBuffer r = null, g = null, b = null;
236
        //if (alpha > 0) a = alpha << 24;
237
        if (x+w > bandR.getRasterBandXSize()) 
238
                w = bandR.getRasterBandXSize()-x;
239
                r = bandR.readRaster(x, y, w, 1, w, 1, dataType);
240
                if (bandG != null)
241
                    g = bandG.readRaster(x, y, w, 1, w, 1, dataType);
242
                if (bandB != null)
243
                    b = bandB.readRaster(x, y, w, 1, w, 1, dataType);
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245
                  lastReadLine += step;
246
                  
247
                  int white = Color.BLUE.getRGB(), i2=0, i=0;
248
                  float j =0F;
249
                  
250
                  if (dataType == GDT_CInt16 || dataType == GDT_Int16  || dataType == GDT_UInt16){
251
                          if (g == null){ // Sibgle Band (Typical DEM)
252
                                  for (int k=0; k<4; k++){
253
                                          for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) {
254
                                                  if(k<3)
255
                                                          line[i][k] = (r.buffShort[(int) j] & 0xffff);
256
                                                  else
257
                                                          line[i][3] = 0xff;
258
                                          }
259
                              }
260
                          }else { // Multiband
261
                                  short px;
262
                                  //System.err.println("readLine(): Raster 16bits multibanda");
263
                                  GdalBuffer [] bands = {r,g,b};
264
                                  for (int k=0; k<4; k++){
265
                                      for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step){
266
                                              if(k<3)
267
                                                      line[i][k] = (bands[k].buffShort[(int) j] & 0xffff);
268
                                              else
269
                                                      line[i][3] = 0xff;
270
                                      }
271
                                  }
272
                          }
273
                  }
274
                return;
275
        }
276
        
277
        public int readLineRGBA(int [] line) throws GdalException {
278
                int err = 0;
279
                int nbands = getRasterCount();
280
                GdalRasterBand band = null;
281
        int w = (int)(((double)currentViewWidth)*step);
282
        int x = (int) currentViewX;
283
        int y = (int) lastReadLine;
284
        GdalBuffer r = null, g = null, b = null;
285
        //if (alpha > 0) a = alpha << 24;
286
        if (x+w > bandR.getRasterBandXSize()) 
287
                w = bandR.getRasterBandXSize()-x;
288
                r = bandR.readRaster(x, y, w, 1, w, 1, dataType);
289
                if (bandG != null)
290
                    g = bandG.readRaster(x, y, w, 1, w, 1, dataType);
291
                if (bandB != null)
292
                    b = bandB.readRaster(x, y, w, 1, w, 1, dataType);
293

    
294
                  lastReadLine += step;
295
                  
296
                  int white = Color.BLUE.getRGB(), i2=0, i=0;
297
                  float j =0F;
298
                int alpha = (this.alpha & 0xff) << 24;
299
                  if (dataType == GDT_Byte)
300
                          if (g != null)
301
                              for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=step) {
302
                                      line[i] = alpha + ((r.buffByte[(int) j] & 0xff) << 16) + ((g.buffByte[(int) j] & 0xff) << 8) + (b.buffByte[(int) j] & 0xff);
303
                              }
304
                      else
305
                              for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=step) {
306
                                      line[i] = alpha + ((r.buffByte[(int) j] & 0xff) << 16) +
307
                                                ((r.buffByte[(int) j] & 0xff) << 8) + (r.buffByte[(int) j] & 0xff);
308
                              }
309
                  else if (dataType == GDT_CInt16 || dataType == GDT_Int16  || dataType == GDT_UInt16)
310
                          if (g == null) // Sibgle Band (Typical DEM)
311
                              /*for (i=0, j=0F, i2 = 1; i<currentViewWidth && i2<r.length;
312
                                      i++, j+=step, i2 = (((int) j)*2)+1) {
313
                                      line[i] = a + ((r[i2-1]) << 8) + r[i2];
314
                              }*/
315
                                    for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) {
316
                                      line[i] = alpha + r.buffShort[(int) j];
317
                              }
318
                          else { // Multiband
319
                                  // System.err.println("Raster 16bits multibanda");
320
                              for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) {
321
                                      line[i] = alpha | (((r.buffShort[(int) j] & 0xfff0) << 12) & 0xff0000 ) | 
322
                                                                          (((g.buffShort[(int) j] & 0xfff0) << 4 ) & 0xff00 ) |
323
                                                                          (((b.buffShort[(int) j] & 0xfff0) >> 4 ) & 0xff );
324
                              }
325
                          }
326
            //for (int i=0; i<currentViewWidth; i++) line[i] = 128+128*256+128*256*256;
327

    
328
                return err;
329
        }
330
        
331
        /**
332
         * Lee una franja de la imagen.
333
         * @param bandH Altura de la franja
334
         * @param bufH        Altura del buffer
335
         * @param buf        Buffer con la franja (retorno)
336
         * @return
337
         * @throws GdalException
338
         */
339
        public int readBandRGBA(int bandH, int bufH, int [] buf) throws GdalException {
340
                int err = 0;
341
                int nbands = getRasterCount();
342
                GdalRasterBand band = null;
343
        int w = (int)(((double)currentViewWidth)*step);
344
        int x = (int)(((double)currentViewX)*step);
345
        int y = (int) lastReadLine;
346
        int h = (int) (((double)bandH)*step);
347
        System.out.println("Leyendo "+y);
348
                
349
        if (x+w > bandR.getRasterBandXSize()) 
350
                w = bandR.getRasterBandXSize()-x;
351
                GdalBuffer r = bandR.readRaster(x, y, w, h, w, h, GDT_Byte);
352
                GdalBuffer g = bandG.readRaster(x, y, w, h, w, h, GDT_Byte);
353
                GdalBuffer b = bandB.readRaster(x, y, w, h, w, h, GDT_Byte);
354

    
355
                  lastReadLine += ((double)bandH)*step;
356
                  
357
                  // TODO Acabar de implementarlo
358
                  float k=0F;
359
                int alpha = (this.alpha & 0xff) << 24;
360
                  for (int j=0, t=0; j<bandH; j++) {
361
                          k = j*w; t=j*currentViewWidth;
362
                          for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=step) {
363
                                  buf[t+i] = alpha + ((r.buffByte[(int) k]) << 16) + ((g.buffByte[(int) k]) << 8) + b.buffByte[(int) k];
364
                          }
365
                  }
366
                //for (int i=0; i<currentViewWidth; i++) line[i] = 128+128*256+128*256*256;
367

    
368
                return err;
369
                
370
        }
371

    
372
        void pintaInfo() {
373
                try {
374
                        //System.out.println("Origin = "+originX+","+originY);
375
                        //System.out.println("Origin = "+this.);
376
                        System.out.println("GeoTransform:");
377
                        GeoTransform trans = getGeoTransform();
378
                        for (int i=0; i<6; i++)
379
                                System.out.println("  param["+i+"]="+trans.adfgeotransform[i]);
380
                        System.out.println("Metadata:");
381
                        String [] metadata = getMetadata();
382
                        for (int i=0; i<metadata.length; i++) {
383
                                System.out.println(metadata[i]);
384
                        }
385
                } catch (GdalException e) {
386
                        // TODO Auto-generated catch block
387
                        e.printStackTrace();
388
                }
389
                
390
        }
391
        
392
        void pintaPaleta() {
393
        }
394
        
395
        public int getBlockSize(){
396
                return this.getBlockSize();
397
        }
398
}
399

    
400
/**
401
 * @author Luis W. Sevilla
402
 */
403
public class GdalFile extends GeoRasterFile {
404
        public final static int BAND_HEIGHT = 64;
405
        protected GdalNative file = null;
406

    
407
        private Extent v = null;
408
        
409
        static {
410
                //GeoRasterFile.registerExtension("sid", GdalFile.class);
411
                GeoRasterFile.registerExtension("img", GdalFile.class);
412
                GeoRasterFile.registerExtension("tif", GdalFile.class);
413
                GeoRasterFile.registerExtension("tiff", GdalFile.class);
414
                GeoRasterFile.registerExtension("jpg", GdalFile.class);
415
                GeoRasterFile.registerExtension("png", GdalFile.class);
416
        }
417
        
418
        public GdalFile(IProjection proj, String fName) {
419
                super(proj, fName);
420
                extent = new Extent();
421
                try {
422
                        file = new GdalNative(fName);
423
                        showOnOpen();
424
                        load();
425
                        bandCount = file.getRasterCount(); 
426
                        if ( bandCount > 2) {
427
                                setBand(RED_BAND,   0);
428
                                setBand(GREEN_BAND, 1);
429
                                setBand(BLUE_BAND,  2);
430
                        } else
431
                                setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
432
                } catch(Exception e){
433
                          System.out.println("Error en GdalOpen");
434
                          e.printStackTrace();
435
                          file = null;
436
                }
437
                int dataType = file.getDataType();
438
                  if (dataType == Gdal.GDT_Byte)
439
                          setDataType(DataBuffer.TYPE_BYTE);
440
                  else if (dataType == Gdal.GDT_CInt16 || dataType == Gdal.GDT_Int16)
441
                          setDataType(DataBuffer.TYPE_SHORT);
442
                  else if(dataType == Gdal.GDT_UInt16)
443
                          setDataType(DataBuffer.TYPE_USHORT);
444
        }
445
        
446
        public GeoFile load() {
447
                /*double minX, minY, maxX, maxY;
448
                minX = minY = 0D;
449
                maxX = (double) width;
450
                maxY = (double) height;*/
451
                extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
452
                return this;
453
        }
454
        
455
        public void close() {
456
                try {
457
                        file.close();
458
                } catch (GdalException e) {
459
                        // TODO Auto-generated catch block
460
                        e.printStackTrace();
461
                }
462
        }
463
        
464
        public void setBand(int flag, int bandNr) {
465
                super.setBand(flag, bandNr);
466
                if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1;
467
                if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1;
468
                if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1;
469
        }
470
        public void setView(Extent e) { v = new Extent(e); }
471
        public Extent getView() { return v; }
472
        
473
        public int getWidth() {        return file.width; }
474
        public int getHeight() { return file.height;}
475

    
476
        /* (non-Javadoc)
477
         * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
478
         */
479
        public void reProject(ICoordTrans rp) {
480
                // TODO Auto-generated method stub
481
                
482
        }
483
        /* (non-Javadoc)
484
         * @see org.cresques.io.GeoRasterFile#setTransparency(boolean)
485
         * /
486
        public void setTransparency(boolean t) {
487
                // TODO Auto-generated method stub
488
        }
489
        public void setTransparency(int t) {
490
                // TODO Auto-generated method stub
491
        }*/
492
        /* (non-Javadoc)
493
         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
494
         */
495
        public Image updateImage(int width, int height, ICoordTrans rp) {
496
                double dFileAspect, dWindowAspect;
497
                int line, pRGBArray[] = null;
498
                Image image = null;
499

    
500
                // Work out the correct aspect for the setView call.
501
                dFileAspect = (double)v.width()/(double)v.height();
502
                dWindowAspect = (double)width /(double)height;
503

    
504
                if (dFileAspect > dWindowAspect) {
505
                  height =(int)((double)width/dFileAspect);
506
                } else {
507
                  width = (int)((double)height*dFileAspect);
508
                }
509
                
510
                // Set the view
511
                file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(),
512
                        width, height);
513
                
514
                if(width<=0)width=1;
515
                if(height<=0)height=1;
516
                
517
                image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
518
                //image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
519
                pRGBArray = new int[width/**BAND_HEIGHT*/];
520
                try {
521
                        //int nLin = height % BAND_HEIGHT;
522
                        file.setAlpha(getAlpha());
523
                        setBand(RED_BAND,   rBandNr);
524
                        setBand(GREEN_BAND, gBandNr);
525
                        setBand(BLUE_BAND,  bBandNr);
526
                        for (line=0; line < height; line++) { //+=BAND_HEIGHT) {
527
                                //int bandH = Math.min(BAND_HEIGHT, height-line);
528
                                //file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
529
                                file.readLineRGBA(pRGBArray);
530
                                setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width);
531
                        }
532
                } catch (Exception e) {
533
                        // TODO Auto-generated catch block
534
                        e.printStackTrace();
535
                }
536
                
537
                return image;
538
        }
539
        
540
        public RasterBuf getRaster(int width, int height, ICoordTrans rp) {
541
                double dFileAspect, dWindowAspect;
542
                int line, pRGBArray[][] = null;
543
                RasterBuf raster = null;
544

    
545
                // Work out the correct aspect for the setView call.
546
                dFileAspect = (double)v.width()/(double)v.height();
547
                dWindowAspect = (double)width /(double)height;
548

    
549
                if (dFileAspect > dWindowAspect) {
550
                  height =(int)((double)width/dFileAspect);
551
                } else {
552
                  width = (int)((double)height*dFileAspect);
553
                }
554
                
555
                // Set the view
556
                file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(),
557
                        width, height);
558
                
559
                raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0));
560
                try {
561
                        //int nLin = height % BAND_HEIGHT;
562
                        file.setAlpha(getAlpha());
563
                        setBand(RED_BAND,   rBandNr);
564
                        setBand(GREEN_BAND, gBandNr);
565
                        setBand(BLUE_BAND,  bBandNr);
566
                        for (line=0; line < height; line++) { //+=BAND_HEIGHT) {
567
                                file.readLine(raster.getLineInt(line));
568
                        }
569
                } catch (Exception e) {
570
                        // TODO Auto-generated catch block
571
                        e.printStackTrace();
572
                }
573
                
574
                return raster;
575
        }
576
        
577
        /**
578
         * Asigna al objeto Image los valores con los dato de la imagen contenidos en el 
579
         * vector de enteros.
580
         * @param image        imagen con los datos actuales
581
         * @param startX        inicio de la posici?n en X dentro de la imagen
582
         * @param startY        inicio de la posici?n en X dentro de la imagen
583
         * @param w        Ancho de la imagen
584
         * @param h        Alto de la imagen
585
         * @param rgbArray        vector que contiene la banda que se va a sustituir
586
         * @param offset        desplazamiento
587
         * @param scansize        tama?o de imagen recorrida por cada p
588
         */
589
        protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, 
590
                         int offset, int scansize) {
591
                image.setRGB(startX, startY, w, h, rgbArray, offset, scansize);
592
        }
593
        
594
        /**
595
         * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores 
596
         * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
597
         * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
598
         * banda correspondiente a flags es sustituida por los datos del vector.
599
         * @param image        imagen con los datos actuales
600
         * @param startX        inicio de la posici?n en X dentro de la imagen
601
         * @param startY        inicio de la posici?n en X dentro de la imagen
602
         * @param w        Ancho de la imagen
603
         * @param h        Alto de la imagen
604
         * @param rgbArray        vector que contiene la banda que se va a sustituir
605
         * @param offset        desplazamiento
606
         * @param scansize        tama?o de imagen recorrida por cada paso
607
         * @param flags        banda que se va a sustituir (Ctes de GeoRasterFile)
608
         */
609
        protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, 
610
                         int offset, int scansize, int flags) {
611
                int [] line = new int[rgbArray.length]; 
612
                image.getRGB(startX, startY, w, h, line, offset, scansize);
613
                if (flags == GeoRasterFile.RED_BAND)
614
                        for (int i=0; i<line.length; i++)
615
                                line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000);
616
                else if (flags == GeoRasterFile.GREEN_BAND)
617
                        for (int i=0; i<line.length; i++)
618
                                line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00);
619
                else if (flags == GeoRasterFile.BLUE_BAND)
620
                        for (int i=0; i<line.length; i++)
621
                                line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff);
622
                image.setRGB(startX, startY, w, h, line, offset, scansize);
623
        }
624
        
625
        /**
626
         * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores 
627
         * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
628
         * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
629
         * banda correspondiente a flags es sustituida por los datos del vector.
630
         * @param image        imagen con los datos actuales
631
         * @param startX        inicio de la posici?n en X dentro de la imagen
632
         * @param startY        inicio de la posici?n en X dentro de la imagen
633
         * @param w        Ancho de la imagen
634
         * @param h        Alto de la imagen
635
         * @param rgbArray        vector que contiene la banda que se va a sustituir
636
         * @param offset        desplazamiento
637
         * @param scansize        tama?o de imagen recorrida por cada paso
638
         * @param origBand        Banda origen del GeoRasterFile
639
         * @param destBandFlag        banda que se va a sustituir (Ctes de GeoRasterFile)
640
         */
641
        protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, 
642
                         int offset, int scansize, int origBand, int destBandFlag) {
643
                int [] line = new int[rgbArray.length]; 
644
                image.getRGB(startX, startY, w, h, line, offset, scansize);
645
                if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND)
646
                        for (int i=0; i<line.length; i++)
647
                                line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000);
648
                else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND)
649
                        for (int i=0; i<line.length; i++)
650
                                line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00);
651
                else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND)
652
                        for (int i=0; i<line.length; i++)
653
                                line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff);
654
                
655
                else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND)
656
                        for (int i=0; i<line.length; i++)
657
                                line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ;
658
                else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND)
659
                        for (int i=0; i<line.length; i++)
660
                                line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16);
661
                else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND)
662
                        for (int i=0; i<line.length; i++)
663
                                line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8);
664
                
665
                else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND)
666
                        for (int i=0; i<line.length; i++)
667
                                line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8);
668
                else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND)
669
                        for (int i=0; i<line.length; i++)
670
                                line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16);
671
                else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND)
672
                        for (int i=0; i<line.length; i++)
673
                                line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8);
674
                image.setRGB(startX, startY, w, h, line, offset, scansize);
675
        }
676
        
677
        private void showOnOpen() {
678
                  // Report en la apertura (quitar)
679
                  System.out.println("Fichero GDAL '"+getName()+"' abierto.");
680
                  System.out.println("Version = "+file.version);
681
                  System.out.println("   Size = ("+file.width+","+file.height+")");
682
                  try {
683
                        System.out.println("   NumBands = ("+file.getRasterCount()+")");
684
                } catch (GdalException e) {
685
                        // TODO Auto-generated catch block
686
                        e.printStackTrace();
687
                }
688
                  file.pintaInfo();
689
                  file.pintaPaleta();
690

    
691
        }
692

    
693
        /* (non-Javadoc)
694
         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
695
         */
696
        public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag){
697
                
698
                double dFileAspect, dWindowAspect;
699
                int line, pRGBArray[] = null;
700

    
701
                // Work out the correct aspect for the setView call.
702
                dFileAspect = (double)v.width()/(double)v.height();
703
                dWindowAspect = (double)width /(double)height;
704

    
705
                if (dFileAspect > dWindowAspect) {
706
                  height =(int)((double)width/dFileAspect);
707
                } else {
708
                  width = (int)((double)height*dFileAspect);
709
                }
710
                
711
                // Set the view
712
                file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(),
713
                        width, height);
714
                
715
                if(width<=0)width=1;
716
                if(height<=0)height=1;
717
                
718
                pRGBArray = new int[width/**BAND_HEIGHT*/];
719
                try {
720
                        setBand(RED_BAND,   rBandNr);
721
                        setBand(GREEN_BAND, gBandNr);
722
                        setBand(BLUE_BAND,  bBandNr);
723
                        file.setAlpha(getAlpha());
724
                        if(img!=null){
725
                                for (line=0; line < height; line++) { 
726
                                        file.readLineRGBA(pRGBArray);
727
                                        setRGBLine((BufferedImage) img, 0, line, width, 1/*bandH*/, pRGBArray, 0, width, origBand, destBandFlag);
728
                                }
729
                                return img;
730
                        }else{
731
                                Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
732
                                for (line=0; line < height; line++) { 
733
                                        file.readLineRGBA(pRGBArray);
734
                                        setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width);
735
                                }
736
                                return image;
737
                        }
738
                } catch (Exception e) {
739
                        // TODO Auto-generated catch block
740
                        e.printStackTrace();
741
                }
742
                
743
                return img;
744
        }
745
        
746
        /* (non-Javadoc)
747
         * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
748
         */
749
        public Object getData(int x, int y, int band) {
750
                // TODO Auto-generated method stub
751
                return null;
752
        }
753
        
754
        /**
755
         * Devuelve los datos de una ventana solicitada
756
         * @param ulX        coordenada X superior izda.
757
         * @param ulY        coordenada Y superior derecha.
758
         * @param sizeX        tama?o en X de la ventana.
759
         * @param sizeY tama?o en Y de la ventana.
760
         * @param band        Banda solicitada.
761
         */
762
        public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){
763
                
764
                return null;
765
        }
766
        
767
        /**
768
         * Obtiene la zona (Norte / Sur)
769
         * @return true si la zona es norte y false si es sur
770
         */
771
        
772
        public boolean getZone(){
773
                
774
                return false;
775
        }
776
        
777
        /**
778
         *Devuelve el n?mero de zona UTM
779
         *@return N?mero de zona 
780
         */
781
        
782
        public int getUTM(){
783
                
784
                return 0;        
785
        }
786
        
787
        /**
788
         * Obtiene el sistema de coordenadas geograficas
789
         * @return Sistema de coordenadas geogr?ficas
790
         */
791
        public String getGeogCS(){
792
                
793
                return new String("");        
794
        }
795
        /**
796
         * Devuelve el tama?o de bloque
797
         * @return Tama?o de bloque
798
         */
799
        public int getBlockSize(){
800
     //TODO Nacho: Implementar getBlockSize de EcwFile        
801
          return file.getBlockSize();
802
        }
803
}
804

    
805