svn-gvsig-desktop / tags / gvSIGv0_6_1RELEASE / libraries / libCq CMS for java.old / src / org / cresques / io / GdalFile.java @ 5222
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| 1 | 2809 | nacho | /*
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| 2 | * Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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| 3 | *
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| 4 | * Copyright (C) 2004-5.
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | * as published by the Free Software Foundation; either version 2
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| 9 | * of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 19 | *
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| 20 | * For more information, contact:
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| 21 | *
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| 22 | * cresques@gmail.com
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| 23 | */
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| 24 | package org.cresques.io; |
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| 25 | |||
| 26 | import java.awt.Image; |
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| 27 | import java.awt.Point; |
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| 28 | import java.awt.geom.Point2D; |
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| 29 | import java.awt.image.BufferedImage; |
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| 30 | import java.awt.image.DataBuffer; |
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| 31 | import java.io.IOException; |
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| 32 | import java.util.Vector; |
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| 33 | |||
| 34 | import org.cresques.cts.ICoordTrans; |
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| 35 | import org.cresques.cts.IProjection; |
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| 36 | import org.cresques.io.raster.RasterBuf; |
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| 37 | import org.cresques.px.Extent; |
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| 38 | |||
| 39 | import es.gva.cit.jgdal.Gdal; |
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| 40 | import es.gva.cit.jgdal.GdalBuffer; |
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| 41 | import es.gva.cit.jgdal.GdalException; |
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| 42 | import es.gva.cit.jgdal.GdalRasterBand; |
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| 43 | import es.gva.cit.jgdal.GeoTransform; |
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| 44 | /**
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| 45 | * Soporte 'nativo' para ficheros desde GDAL.
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| 46 | * Este conjunto de funcionalidades est? tomado de manera casi literal
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| 47 | * del soporte para ECW de ermapper.<br>
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| 48 | * Probablemente esto deber?a formar parte del JNI que recubre a la
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| 49 | * librer?a en C extraida de gdal.<br>
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| 50 | * Lo pongo aqu? a manera de ejemplo de como atacar un formato binario
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| 51 | * desde Java.<br><br>
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| 52 | * @author Luis W. Sevilla.
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| 53 | */
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| 54 | |||
| 55 | class GdalNative extends Gdal { |
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| 56 | static boolean WITH_OVERVIEWS = true; |
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| 57 | 3488 | nacho | private String ext = ""; |
| 58 | 4006 | nacho | private String shortName = ""; |
| 59 | 3488 | nacho | |
| 60 | 2809 | nacho | // Polilinea con extent
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| 61 | 2849 | nacho | public class Contour extends Vector { |
| 62 | 2809 | nacho | final private static long serialVersionUID = -3370601314380922368L; |
| 63 | public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE; |
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| 64 | public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE; |
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| 65 | public Contour() {
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| 66 | super();
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| 67 | } |
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| 68 | public void add(Point2D pt) { |
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| 69 | super.add(pt);
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| 70 | if (pt.getX() > maxX) maxX = pt.getX();
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| 71 | if (pt.getX() < minX) minX = pt.getX();
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| 72 | if (pt.getY() > maxY) maxY = pt.getY();
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| 73 | if (pt.getY() < minY) minY = pt.getY();
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| 74 | } |
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| 75 | } |
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| 76 | /**
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| 77 | * Contorno en coordenadas geogr?ficas. (y Extent del raster).
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| 78 | */
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| 79 | |||
| 80 | public Contour esq = new Contour(); |
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| 81 | public int width = 0, height = 0; |
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| 82 | public double originX = 0D, originY = 0D; |
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| 83 | public String version = ""; |
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| 84 | |||
| 85 | private int alpha = 0; |
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| 86 | 3193 | nacho | protected int rBandNr = 1, gBandNr = 2, bBandNr = 3, aBandNr = 4; |
| 87 | 2809 | nacho | private int dataType = GDT_Byte; |
| 88 | |||
| 89 | public GdalNative(String fName) throws GdalException, IOException { |
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| 90 | super();
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| 91 | init(fName); |
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| 92 | } |
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| 93 | |||
| 94 | private void init(String fName) throws GdalException, IOException { |
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| 95 | open(fName,GA_ReadOnly); |
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| 96 | 3488 | nacho | ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1); |
| 97 | 2809 | nacho | if (ext.compareTo("tif") == 0) |
| 98 | WITH_OVERVIEWS = false;
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| 99 | width = getRasterXSize(); |
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| 100 | height = getRasterYSize(); |
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| 101 | 4160 | nacho | setDataType(this.getRasterBand(1).getRasterDataType()); |
| 102 | shortName = getDriverShortName(); |
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| 103 | 2809 | nacho | if (true) { //ext.compareTo("sid") == 0) { |
| 104 | 4160 | nacho | //String [] metadata = getMetadata();
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| 105 | 2809 | nacho | double ox=0D, oy=0D, resx=0D, resy=0D; |
| 106 | 3084 | nacho | try{
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| 107 | 2849 | nacho | GeoTransform trans = getGeoTransform(); |
| 108 | ox = trans.adfgeotransform[0];
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| 109 | oy = trans.adfgeotransform[3];
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| 110 | resx = trans.adfgeotransform[1];
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| 111 | resy = trans.adfgeotransform[5];
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| 112 | |||
| 113 | 4160 | nacho | //System.out.println("Origin = ("+ox+","+oy+")");
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| 114 | 2849 | nacho | System.out.println("Pixel Size = ("+resx+","+resy+")"); |
| 115 | esq.add(new Point2D.Double(ox, oy)); |
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| 116 | esq.add(new Point2D.Double(ox+resx*width, oy)); |
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| 117 | esq.add(new Point2D.Double(ox, oy+resy*height)); |
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| 118 | esq.add(new Point2D.Double(ox+resx*width, oy+resy*height)); |
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| 119 | }catch(GdalException exc){
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| 120 | 3084 | nacho | esq.add(new Point2D.Double(0, 0)); |
| 121 | esq.add(new Point2D.Double(width, 0)); |
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| 122 | esq.add(new Point2D.Double(0, height)); |
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| 123 | esq.add(new Point2D.Double(width, height)); |
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| 124 | 2849 | nacho | } |
| 125 | 2809 | nacho | } else { //version.startsWith("1")) { |
| 126 | //double [] transParam = getGeoTransform();
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| 127 | esq.add(new Point2D.Double(0D,height)); |
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| 128 | esq.add(new Point2D.Double(0D,0D)); |
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| 129 | esq.add(new Point2D.Double(width,0D)); |
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| 130 | esq.add(new Point2D.Double(width,height)); |
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| 131 | } |
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| 132 | } |
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| 133 | |||
| 134 | public void setAlpha(int a) { alpha = a; } |
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| 135 | |||
| 136 | public void setDataType(int dt) { dataType = dt; } |
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| 137 | public int getDataType() { return dataType; } |
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| 138 | |||
| 139 | double lastReadLine = -1; |
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| 140 | int currentFullWidth = -1; |
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| 141 | int currentFullHeight = -1; |
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| 142 | int currentViewWidth = -1; |
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| 143 | int currentViewHeight = -1; |
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| 144 | double currentViewX = 0D; |
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| 145 | 5042 | nacho | double currentViewY = 0D; |
| 146 | double viewportScaleX = 0D; |
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| 147 | double viewportScaleY = 0D; |
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| 148 | double wcWidth = 0D; |
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| 149 | double stepX = 0D; |
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| 150 | double stepY = 0D; |
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| 151 | 2809 | nacho | int currentOverview = -1; |
| 152 | |||
| 153 | 3193 | nacho | protected GdalRasterBand bandR = null, bandG = null, bandB = null, bandA = null; |
| 154 | 2809 | nacho | |
| 155 | |||
| 156 | /**
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| 157 | * Devuelve la banda actualmente en uso para el color especificado.
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| 158 | * @param color 0=Rojo, 1=Green, 2=Blue.
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| 159 | * @return
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| 160 | */
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| 161 | public GdalRasterBand getCurrentBand(int color) { |
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| 162 | 3193 | nacho | if (color == 0) |
| 163 | return bandR;
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| 164 | else if (color == 1) |
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| 165 | return bandG;
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| 166 | 2809 | nacho | return bandB;
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| 167 | } |
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| 168 | // Supone rasters no girados
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| 169 | public Point2D worldToRaster(Point2D pt) { |
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| 170 | double x = (((double) currentFullWidth)/(esq.maxX-esq.minX))*(pt.getX()-esq.minX); |
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| 171 | double y = (((double) currentFullHeight)/(esq.maxY-esq.minY))*(esq.maxY-pt.getY()); |
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| 172 | Point2D ptRes = new Point2D.Double(x, y); |
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| 173 | return ptRes;
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| 174 | } |
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| 175 | |||
| 176 | public int setView(double dWorldTLX, double dWorldTLY, |
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| 177 | double dWorldBRX, double dWorldBRY, |
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| 178 | int nWidth, int nHeight) { |
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| 179 | int err = 0; |
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| 180 | currentFullWidth = width; |
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| 181 | currentFullHeight = height; |
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| 182 | Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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| 183 | Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
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| 184 | // Calcula cual es la primera l?nea a leer;
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| 185 | currentViewWidth = nWidth; |
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| 186 | currentViewHeight = nHeight; |
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| 187 | 5042 | nacho | wcWidth = Math.abs(br.getX() - tl.getX());
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| 188 | |||
| 189 | 2809 | nacho | currentViewX = tl.getX(); |
| 190 | 5042 | nacho | viewportScaleX = (double) currentViewWidth/(br.getX()-tl.getX());
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| 191 | viewportScaleY = (double) currentViewHeight/(br.getY()-tl.getY());
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| 192 | stepX = 1D/viewportScaleX;
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| 193 | stepY = 1D/viewportScaleY;
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| 194 | 2809 | nacho | lastReadLine = tl.getY(); |
| 195 | try {
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| 196 | // calcula el overview a usar
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| 197 | bandR = getRasterBand(1);
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| 198 | currentOverview = -1;
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| 199 | if (WITH_OVERVIEWS && bandR.getOverviewCount() > 0) { |
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| 200 | GdalRasterBand ovb = null;
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| 201 | for (int i=bandR.getOverviewCount()-1; i>0; i--) { |
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| 202 | ovb = bandR.getOverview(i); |
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| 203 | 5042 | nacho | if (ovb.getRasterBandXSize()>getRasterXSize()*viewportScaleX) {
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| 204 | 2809 | nacho | currentOverview = i; |
| 205 | 5042 | nacho | viewportScaleX *= ((double) width/(double) ovb.getRasterBandXSize()); |
| 206 | stepX = 1D/viewportScaleX;
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| 207 | 2809 | nacho | currentFullWidth = ovb.getRasterBandXSize(); |
| 208 | currentFullHeight = ovb.getRasterBandYSize(); |
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| 209 | tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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| 210 | currentViewX = tl.getX(); |
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| 211 | lastReadLine = tl.getY(); |
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| 212 | break;
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| 213 | } |
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| 214 | } |
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| 215 | } |
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| 216 | |||
| 217 | // Selecciona las bandas y los overviews necesarios
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| 218 | bandR = getRasterBand(rBandNr); |
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| 219 | setDataType(bandR.getRasterDataType()); |
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| 220 | if (this.getRasterCount() > 1) { |
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| 221 | bandG = getRasterBand(gBandNr); |
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| 222 | bandB = getRasterBand(bBandNr); |
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| 223 | 4006 | nacho | if(this.getRasterCount() == 4 && shortName.equals("PNG")) |
| 224 | 3193 | nacho | bandA = getRasterBand(aBandNr); |
| 225 | 2809 | nacho | } |
| 226 | if (currentOverview > 0) { |
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| 227 | bandR = bandR.getOverview(currentOverview); |
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| 228 | if (this.getRasterCount() > 1) { |
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| 229 | bandG = bandG.getOverview(currentOverview); |
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| 230 | bandB = bandB.getOverview(currentOverview); |
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| 231 | 4006 | nacho | if(this.getRasterCount() == 4 && shortName.equals("PNG")) |
| 232 | 3193 | nacho | bandA = bandA.getOverview(currentOverview); |
| 233 | 2809 | nacho | } |
| 234 | } |
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| 235 | |||
| 236 | //System.out.println(band.)
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| 237 | } catch (GdalException e) {
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| 238 | // TODO Auto-generated catch block
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| 239 | e.printStackTrace(); |
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| 240 | } |
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| 241 | |||
| 242 | System.out.println("GdalFile: TL=("+dWorldTLX+","+dWorldTLY+ |
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| 243 | "); BR=("+dWorldBRX+","+dWorldBRY+")\n"+ |
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| 244 | 5042 | nacho | "GdalFile: escala="+viewportScaleX+"; lastReadLine="+lastReadLine+"\n"+ |
| 245 | 2809 | nacho | "Actual Raster Size="+currentFullWidth+"x"+currentFullHeight+ |
| 246 | "\nDataType="+dataType);
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| 247 | return err;
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| 248 | } |
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| 249 | |||
| 250 | int lastY = -1; |
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| 251 | |||
| 252 | public void readLine(int[][] line) throws GdalException { |
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| 253 | 5042 | nacho | int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
| 254 | int x = (int) Math.ceil(currentViewX); |
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| 255 | int y = (int) Math.ceil(lastReadLine); |
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| 256 | 3193 | nacho | GdalBuffer r = null, g = null, b = null, p = null; |
| 257 | GdalBuffer a = new GdalBuffer();
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| 258 | |||
| 259 | 2809 | nacho | //if (alpha > 0) a = alpha << 24;
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| 260 | if (x+w > bandR.getRasterBandXSize())
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| 261 | w = bandR.getRasterBandXSize()-x; |
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| 262 | 3193 | nacho | |
| 263 | if(bandR.getRasterColorTable() != null){ |
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| 264 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
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| 265 | a.buffByte = p.buffAPalette; |
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| 266 | r = new GdalBuffer();
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| 267 | r.buffByte = p.buffRPalette; |
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| 268 | g = new GdalBuffer();
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| 269 | g.buffByte = p.buffGPalette; |
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| 270 | b = new GdalBuffer();
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| 271 | b.buffByte = p.buffBPalette; |
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| 272 | }else{
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| 273 | a.buffByte = new byte[w]; |
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| 274 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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| 275 | if (bandG != null) |
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| 276 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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| 277 | if (bandB != null) |
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| 278 | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
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| 279 | } |
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| 280 | 5042 | nacho | |
| 281 | lastReadLine += stepY; |
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| 282 | 3193 | nacho | |
| 283 | 4160 | nacho | int i=0; |
| 284 | 5042 | nacho | double j = 0D; |
| 285 | double initOffset = Math.abs(currentViewX - ((int)currentViewX)); |
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| 286 | 2809 | nacho | |
| 287 | if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){
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| 288 | if (g == null){ // Sibgle Band (Typical DEM) |
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| 289 | for (int k=0; k<4; k++){ |
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| 290 | 5042 | nacho | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 291 | 2809 | nacho | if(k<3) |
| 292 | line[i][k] = (r.buffShort[(int) j] & 0xffff); |
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| 293 | else
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| 294 | line[i][3] = 0xff; |
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| 295 | } |
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| 296 | } |
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| 297 | }else { // Multiband |
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| 298 | //System.err.println("readLine(): Raster 16bits multibanda");
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| 299 | GdalBuffer [] bands = {r,g,b};
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| 300 | for (int k=0; k<4; k++){ |
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| 301 | 5042 | nacho | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
| 302 | 2809 | nacho | if(k<3) |
| 303 | line[i][k] = (bands[k].buffShort[(int) j] & 0xffff); |
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| 304 | else
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| 305 | line[i][3] = 0xff; |
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| 306 | } |
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| 307 | } |
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| 308 | } |
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| 309 | 4160 | nacho | }else if(dataType == GDT_Float32){ |
| 310 | GdalBuffer [] bands = {r,g,b};
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| 311 | for (int k=0; k<4; k++){ |
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| 312 | 5042 | nacho | for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
| 313 | 4160 | nacho | if(k < 3) |
| 314 | line[i][k] = (int)bands[0].buffFloat[(int) j]; |
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| 315 | else
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| 316 | line[i][3] = 0xff; |
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| 317 | } |
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| 318 | } |
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| 319 | 2809 | nacho | } |
| 320 | 4160 | nacho | |
| 321 | 2809 | nacho | return;
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| 322 | } |
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| 323 | |||
| 324 | 4160 | nacho | int readLineRGBA(int [] line) throws GdalException { |
| 325 | 2809 | nacho | int err = 0; |
| 326 | 4160 | nacho | |
| 327 | 5042 | nacho | int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
| 328 | 2809 | nacho | int x = (int) currentViewX; |
| 329 | int y = (int) lastReadLine; |
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| 330 | 3193 | nacho | GdalBuffer r = null, g = null, b = null, p = null; |
| 331 | GdalBuffer a = new GdalBuffer();
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| 332 | |||
| 333 | 5042 | nacho | while(y >= bandR.getRasterBandYSize())
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| 334 | y--; |
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| 335 | |||
| 336 | 2809 | nacho | //if (alpha > 0) a = alpha << 24;
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| 337 | if (x+w > bandR.getRasterBandXSize())
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| 338 | w = bandR.getRasterBandXSize()-x; |
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| 339 | 3193 | nacho | |
| 340 | if(bandR.getRasterColorTable() != null){ |
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| 341 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
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| 342 | a.buffByte = p.buffAPalette; |
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| 343 | r = new GdalBuffer();
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| 344 | r.buffByte = p.buffRPalette; |
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| 345 | g = new GdalBuffer();
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| 346 | g.buffByte = p.buffGPalette; |
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| 347 | b = new GdalBuffer();
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| 348 | b.buffByte = p.buffBPalette; |
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| 349 | }else{
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| 350 | 4006 | nacho | if(getRasterCount() == 4 && shortName.equals("PNG")){ |
| 351 | a = bandA.readRaster(x, y, w, 1, w, 1, GDT_Byte); |
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| 352 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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| 353 | if (bandG != null) |
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| 354 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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| 355 | if (bandB != null) |
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| 356 | 4088 | nacho | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
| 357 | 4006 | nacho | }else{
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| 358 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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| 359 | if (bandG != null) |
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| 360 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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| 361 | if (bandB != null) |
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| 362 | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
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| 363 | a.buffByte = new byte[w]; |
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| 364 | for (int i = 0;i < w;i++) |
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| 365 | a.buffByte[i] = (byte)255; |
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| 366 | } |
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| 367 | 3193 | nacho | } |
| 368 | 5042 | nacho | lastReadLine += stepY; |
| 369 | |||
| 370 | 4160 | nacho | int i=0; |
| 371 | 5042 | nacho | double j = Math.abs(currentViewX - ((int)currentViewX)); |
| 372 | 2809 | nacho | int alpha = (this.alpha & 0xff) << 24; |
| 373 | 5042 | nacho | //try{
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| 374 | 4160 | nacho | if (dataType == GDT_Byte){
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| 375 | 2809 | nacho | if (g != null) |
| 376 | 5042 | nacho | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 377 | int jInt = (int)(j); |
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| 378 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
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| 379 | 2809 | nacho | } |
| 380 | else
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| 381 | 5042 | nacho | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 382 | int jInt = (int)(j); |
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| 383 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
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| 384 | 2809 | nacho | } |
| 385 | 4160 | nacho | }else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
| 386 | 2809 | nacho | if (g == null) // Sibgle Band (Typical DEM) |
| 387 | /*for (i=0, j=0F, i2 = 1; i<currentViewWidth && i2<r.length;
|
||
| 388 | i++, j+=step, i2 = (((int) j)*2)+1) {
|
||
| 389 | line[i] = a + ((r[i2-1]) << 8) + r[i2];
|
||
| 390 | }*/
|
||
| 391 | 5042 | nacho | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 392 | int jInt = (int)(j); |
||
| 393 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
||
| 394 | 2809 | nacho | } |
| 395 | else { // Multiband |
||
| 396 | // System.err.println("Raster 16bits multibanda");
|
||
| 397 | 5042 | nacho | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 398 | int jInt = (int)(j); |
||
| 399 | line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
||
| 400 | (((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
||
| 401 | (((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
||
| 402 | 2809 | nacho | } |
| 403 | } |
||
| 404 | 4160 | nacho | } |
| 405 | 5042 | nacho | //}catch(ArrayIndexOutOfBoundsException ex){}
|
| 406 | 2809 | nacho | return err;
|
| 407 | } |
||
| 408 | 5042 | nacho | |
| 409 | 2809 | nacho | /**
|
| 410 | * Lee una franja de la imagen.
|
||
| 411 | * @param bandH Altura de la franja
|
||
| 412 | * @param bufH Altura del buffer
|
||
| 413 | * @param buf Buffer con la franja (retorno)
|
||
| 414 | * @return
|
||
| 415 | * @throws GdalException
|
||
| 416 | */
|
||
| 417 | public int readBandRGBA(int bandH, int bufH, int [] buf) throws GdalException { |
||
| 418 | int err = 0; |
||
| 419 | 5042 | nacho | int w = (int)(((double)currentViewWidth)*stepX); |
| 420 | int x = (int)(((double)currentViewX)*stepX); |
||
| 421 | 2809 | nacho | int y = (int) lastReadLine; |
| 422 | 5042 | nacho | int h = (int) (((double)bandH)*stepX); |
| 423 | 2809 | nacho | System.out.println("Leyendo "+y); |
| 424 | 3193 | nacho | GdalBuffer r = null, g = null, b = null, p = null; |
| 425 | GdalBuffer a = new GdalBuffer();
|
||
| 426 | |||
| 427 | 2809 | nacho | if (x+w > bandR.getRasterBandXSize())
|
| 428 | w = bandR.getRasterBandXSize()-x; |
||
| 429 | 3193 | nacho | |
| 430 | if(bandR.getRasterColorTable() != null){ |
||
| 431 | p = bandR.readRasterWithPalette(x, y, w, h, w, h, GDT_Byte); |
||
| 432 | a.buffByte = p.buffAPalette; |
||
| 433 | r = new GdalBuffer();
|
||
| 434 | r.buffByte = p.buffRPalette; |
||
| 435 | g = new GdalBuffer();
|
||
| 436 | g.buffByte = p.buffGPalette; |
||
| 437 | b = new GdalBuffer();
|
||
| 438 | b.buffByte = p.buffBPalette; |
||
| 439 | }else{
|
||
| 440 | 4006 | nacho | if(getRasterCount() == 4 && shortName.equals("PNG")){ |
| 441 | a = bandA.readRaster(x, y, w, h, w, h, GDT_Byte); |
||
| 442 | r = bandR.readRaster(x, y, w, h, w, h, dataType); |
||
| 443 | if (bandG != null) |
||
| 444 | g = bandG.readRaster(x, y, w, h, w, h, dataType); |
||
| 445 | if (bandB != null) |
||
| 446 | b = bandB.readRaster(x, y, w, h, w, h, dataType); |
||
| 447 | }else{
|
||
| 448 | r = bandR.readRaster(x, y, w, h, w, h, dataType); |
||
| 449 | if (bandG != null) |
||
| 450 | g = bandG.readRaster(x, y, w, h, w, h, dataType); |
||
| 451 | if (bandB != null) |
||
| 452 | b = bandB.readRaster(x, y, w, h, w, h, dataType); |
||
| 453 | a.buffByte = new byte[w]; |
||
| 454 | for (int i = 0;i < w*h;i++) |
||
| 455 | a.buffByte[i] = (byte)255; |
||
| 456 | } |
||
| 457 | 3193 | nacho | } |
| 458 | 5042 | nacho | lastReadLine += ((double)bandH)*stepY;
|
| 459 | 2809 | nacho | |
| 460 | // TODO Acabar de implementarlo
|
||
| 461 | float k=0F; |
||
| 462 | int alpha = (this.alpha & 0xff) << 24; |
||
| 463 | for (int j=0, t=0; j<bandH; j++) { |
||
| 464 | k = j*w; t=j*currentViewWidth; |
||
| 465 | 5042 | nacho | for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=stepX) { |
| 466 | 4088 | nacho | buf[t+i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + ((r.buffByte[(int) k]) << 16) + ((g.buffByte[(int) k]) << 8) + b.buffByte[(int) k]; |
| 467 | 2809 | nacho | } |
| 468 | } |
||
| 469 | 3193 | nacho | |
| 470 | 2809 | nacho | return err;
|
| 471 | |||
| 472 | } |
||
| 473 | |||
| 474 | void pintaInfo() {
|
||
| 475 | try {
|
||
| 476 | //System.out.println("Origin = "+originX+","+originY);
|
||
| 477 | //System.out.println("Origin = "+this.);
|
||
| 478 | System.out.println("GeoTransform:"); |
||
| 479 | GeoTransform trans = getGeoTransform(); |
||
| 480 | for (int i=0; i<6; i++) |
||
| 481 | System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
||
| 482 | System.out.println("Metadata:"); |
||
| 483 | String [] metadata = getMetadata(); |
||
| 484 | for (int i=0; i<metadata.length; i++) { |
||
| 485 | System.out.println(metadata[i]);
|
||
| 486 | } |
||
| 487 | } catch (GdalException e) {
|
||
| 488 | 2849 | nacho | |
| 489 | 2809 | nacho | } |
| 490 | |||
| 491 | } |
||
| 492 | |||
| 493 | void pintaPaleta() {
|
||
| 494 | } |
||
| 495 | |||
| 496 | public int getBlockSize(){ |
||
| 497 | return this.getBlockSize(); |
||
| 498 | } |
||
| 499 | } |
||
| 500 | |||
| 501 | /**
|
||
| 502 | * @author Luis W. Sevilla
|
||
| 503 | */
|
||
| 504 | public class GdalFile extends GeoRasterFile { |
||
| 505 | 5042 | nacho | public final static int BAND_HEIGHT = 64; |
| 506 | protected GdalNative file = null; |
||
| 507 | 2809 | nacho | |
| 508 | private Extent v = null; |
||
| 509 | |||
| 510 | static {
|
||
| 511 | 3257 | nacho | GeoRasterFile.registerExtension("bmp", GdalFile.class);
|
| 512 | 3193 | nacho | GeoRasterFile.registerExtension("gif", GdalFile.class);
|
| 513 | 2809 | nacho | GeoRasterFile.registerExtension("img", GdalFile.class);
|
| 514 | GeoRasterFile.registerExtension("tif", GdalFile.class);
|
||
| 515 | GeoRasterFile.registerExtension("tiff", GdalFile.class);
|
||
| 516 | GeoRasterFile.registerExtension("jpg", GdalFile.class);
|
||
| 517 | GeoRasterFile.registerExtension("png", GdalFile.class);
|
||
| 518 | } |
||
| 519 | |||
| 520 | public GdalFile(IProjection proj, String fName){ |
||
| 521 | super(proj, fName);
|
||
| 522 | extent = new Extent();
|
||
| 523 | try {
|
||
| 524 | file = new GdalNative(fName);
|
||
| 525 | 3084 | nacho | load(); |
| 526 | 2809 | nacho | showOnOpen(); |
| 527 | bandCount = file.getRasterCount(); |
||
| 528 | if ( bandCount > 2) { |
||
| 529 | setBand(RED_BAND, 0);
|
||
| 530 | setBand(GREEN_BAND, 1);
|
||
| 531 | setBand(BLUE_BAND, 2);
|
||
| 532 | } else
|
||
| 533 | setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
||
| 534 | } catch(Exception e){ |
||
| 535 | System.out.println("Error en GdalOpen"); |
||
| 536 | e.printStackTrace(); |
||
| 537 | file = null;
|
||
| 538 | } |
||
| 539 | 4160 | nacho | |
| 540 | switch(file.getDataType()){
|
||
| 541 | case 1:setDataType(DataBuffer.TYPE_BYTE);break;//GDT_BYTE |
||
| 542 | case 2://GDT_UInt16 |
||
| 543 | case 3:setDataType(DataBuffer.TYPE_SHORT);break;//GDT_Int16 |
||
| 544 | case 4://GDT_UInt32 |
||
| 545 | case 5:setDataType(DataBuffer.TYPE_INT);break;//GDT_Int32 |
||
| 546 | case 6:setDataType(DataBuffer.TYPE_FLOAT);break;//GDT_Float32 |
||
| 547 | case 7:setDataType(DataBuffer.TYPE_DOUBLE);break;//GDT_Float64 |
||
| 548 | case 8:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt16 |
||
| 549 | case 9:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt32 |
||
| 550 | case 10:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat32 |
||
| 551 | case 11:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat64 |
||
| 552 | } |
||
| 553 | |||
| 554 | 2809 | nacho | } |
| 555 | |||
| 556 | 2849 | nacho | /**
|
| 557 | * Obtenemos o calculamos el extent de la imagen.
|
||
| 558 | */
|
||
| 559 | 2809 | nacho | public GeoFile load() {
|
| 560 | 3084 | nacho | |
| 561 | extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
||
| 562 | 2849 | nacho | |
| 563 | 2809 | nacho | return this; |
| 564 | } |
||
| 565 | |||
| 566 | 3084 | nacho | /**
|
| 567 | * Cierra el fichero de imagen
|
||
| 568 | */
|
||
| 569 | 2809 | nacho | public void close() { |
| 570 | try {
|
||
| 571 | 3257 | nacho | if(file != null){ |
| 572 | file.close(); |
||
| 573 | file = null;
|
||
| 574 | } |
||
| 575 | 2809 | nacho | } catch (GdalException e) {
|
| 576 | // TODO Auto-generated catch block
|
||
| 577 | e.printStackTrace(); |
||
| 578 | } |
||
| 579 | } |
||
| 580 | |||
| 581 | 3084 | nacho | /**
|
| 582 | * Asigna a cada banda R,G o B una banda de la imagen
|
||
| 583 | */
|
||
| 584 | 2809 | nacho | public void setBand(int flag, int bandNr) { |
| 585 | super.setBand(flag, bandNr);
|
||
| 586 | if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
||
| 587 | if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
||
| 588 | if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
||
| 589 | } |
||
| 590 | |||
| 591 | 3084 | nacho | /**
|
| 592 | * Asigna el extent de la vista actual
|
||
| 593 | */
|
||
| 594 | public void setView(Extent e) { |
||
| 595 | v = new Extent(e);
|
||
| 596 | } |
||
| 597 | |||
| 598 | /**
|
||
| 599 | * Obtiene extent de la vista actual
|
||
| 600 | */
|
||
| 601 | public Extent getView() {
|
||
| 602 | return v;
|
||
| 603 | } |
||
| 604 | |||
| 605 | /**
|
||
| 606 | * Obtiene la anchura del fichero
|
||
| 607 | */
|
||
| 608 | public int getWidth() { |
||
| 609 | return file.width;
|
||
| 610 | } |
||
| 611 | |||
| 612 | /**
|
||
| 613 | * Obtiene la altura del fichero
|
||
| 614 | */
|
||
| 615 | public int getHeight() { |
||
| 616 | return file.height;
|
||
| 617 | } |
||
| 618 | 2809 | nacho | |
| 619 | /* (non-Javadoc)
|
||
| 620 | * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
||
| 621 | */
|
||
| 622 | public void reProject(ICoordTrans rp) { |
||
| 623 | // TODO Auto-generated method stub
|
||
| 624 | |||
| 625 | } |
||
| 626 | 3084 | nacho | |
| 627 | 2809 | nacho | /* (non-Javadoc)
|
| 628 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
||
| 629 | */
|
||
| 630 | public Image updateImage(int width, int height, ICoordTrans rp) { |
||
| 631 | int line, pRGBArray[] = null; |
||
| 632 | Image image = null; |
||
| 633 | 3084 | nacho | |
| 634 | 5042 | nacho | if (mustVerifySize()) {
|
| 635 | // Work out the correct aspect for the setView call.
|
||
| 636 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
| 637 | double dWindowAspect = (double)width /(double)height; |
||
| 638 | |||
| 639 | if (dFileAspect > dWindowAspect) {
|
||
| 640 | height =(int)((double)width/dFileAspect); |
||
| 641 | } else {
|
||
| 642 | width = (int)((double)height*dFileAspect); |
||
| 643 | } |
||
| 644 | 2809 | nacho | } |
| 645 | |||
| 646 | // Set the view
|
||
| 647 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
| 648 | width, height); |
||
| 649 | |||
| 650 | if(width<=0)width=1; |
||
| 651 | if(height<=0)height=1; |
||
| 652 | |||
| 653 | image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
||
| 654 | //image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
||
| 655 | pRGBArray = new int[width/**BAND_HEIGHT*/]; |
||
| 656 | try {
|
||
| 657 | //int nLin = height % BAND_HEIGHT;
|
||
| 658 | file.setAlpha(getAlpha()); |
||
| 659 | setBand(RED_BAND, rBandNr); |
||
| 660 | setBand(GREEN_BAND, gBandNr); |
||
| 661 | setBand(BLUE_BAND, bBandNr); |
||
| 662 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
| 663 | //int bandH = Math.min(BAND_HEIGHT, height-line);
|
||
| 664 | //file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
||
| 665 | file.readLineRGBA(pRGBArray); |
||
| 666 | setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
||
| 667 | } |
||
| 668 | } catch (Exception e) { |
||
| 669 | // TODO Auto-generated catch block
|
||
| 670 | e.printStackTrace(); |
||
| 671 | } |
||
| 672 | |||
| 673 | return image;
|
||
| 674 | } |
||
| 675 | |||
| 676 | public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
||
| 677 | 4160 | nacho | int line;
|
| 678 | 2809 | nacho | RasterBuf raster = null;
|
| 679 | 5042 | nacho | |
| 680 | if(mustVerifySize()){
|
||
| 681 | // Work out the correct aspect for the setView call.
|
||
| 682 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
| 683 | double dWindowAspect = (double)width /(double)height; |
||
| 684 | |||
| 685 | if (dFileAspect > dWindowAspect) {
|
||
| 686 | height =(int)((double)width/dFileAspect); |
||
| 687 | } else {
|
||
| 688 | width = (int)((double)height*dFileAspect); |
||
| 689 | } |
||
| 690 | 2809 | nacho | } |
| 691 | |||
| 692 | // Set the view
|
||
| 693 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
| 694 | width, height); |
||
| 695 | |||
| 696 | raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0)); |
||
| 697 | try {
|
||
| 698 | //int nLin = height % BAND_HEIGHT;
|
||
| 699 | file.setAlpha(getAlpha()); |
||
| 700 | setBand(RED_BAND, rBandNr); |
||
| 701 | setBand(GREEN_BAND, gBandNr); |
||
| 702 | setBand(BLUE_BAND, bBandNr); |
||
| 703 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
| 704 | file.readLine(raster.getLineInt(line)); |
||
| 705 | } |
||
| 706 | } catch (Exception e) { |
||
| 707 | // TODO Auto-generated catch block
|
||
| 708 | e.printStackTrace(); |
||
| 709 | } |
||
| 710 | |||
| 711 | return raster;
|
||
| 712 | } |
||
| 713 | |||
| 714 | /**
|
||
| 715 | * Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
||
| 716 | * vector de enteros.
|
||
| 717 | * @param image imagen con los datos actuales
|
||
| 718 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
| 719 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
| 720 | * @param w Ancho de la imagen
|
||
| 721 | * @param h Alto de la imagen
|
||
| 722 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
| 723 | * @param offset desplazamiento
|
||
| 724 | * @param scansize tama?o de imagen recorrida por cada p
|
||
| 725 | */
|
||
| 726 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
| 727 | int offset, int scansize) { |
||
| 728 | image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
||
| 729 | } |
||
| 730 | |||
| 731 | /**
|
||
| 732 | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
||
| 733 | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
||
| 734 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
| 735 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
| 736 | * @param image imagen con los datos actuales
|
||
| 737 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
| 738 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
| 739 | * @param w Ancho de la imagen
|
||
| 740 | * @param h Alto de la imagen
|
||
| 741 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
| 742 | * @param offset desplazamiento
|
||
| 743 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
| 744 | * @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
| 745 | */
|
||
| 746 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
| 747 | int offset, int scansize, int flags) { |
||
| 748 | int [] line = new int[rgbArray.length]; |
||
| 749 | image.getRGB(startX, startY, w, h, line, offset, scansize); |
||
| 750 | if (flags == GeoRasterFile.RED_BAND)
|
||
| 751 | for (int i=0; i<line.length; i++) |
||
| 752 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
| 753 | else if (flags == GeoRasterFile.GREEN_BAND) |
||
| 754 | for (int i=0; i<line.length; i++) |
||
| 755 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
| 756 | else if (flags == GeoRasterFile.BLUE_BAND) |
||
| 757 | for (int i=0; i<line.length; i++) |
||
| 758 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
| 759 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
| 760 | } |
||
| 761 | |||
| 762 | /**
|
||
| 763 | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
||
| 764 | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
||
| 765 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
| 766 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
| 767 | * @param image imagen con los datos actuales
|
||
| 768 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
| 769 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
| 770 | * @param w Ancho de la imagen
|
||
| 771 | * @param h Alto de la imagen
|
||
| 772 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
| 773 | * @param offset desplazamiento
|
||
| 774 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
| 775 | * @param origBand Banda origen del GeoRasterFile
|
||
| 776 | * @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
| 777 | */
|
||
| 778 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
| 779 | int offset, int scansize, int origBand, int destBandFlag) { |
||
| 780 | int [] line = new int[rgbArray.length]; |
||
| 781 | image.getRGB(startX, startY, w, h, line, offset, scansize); |
||
| 782 | if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
||
| 783 | for (int i=0; i<line.length; i++) |
||
| 784 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
| 785 | else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
| 786 | for (int i=0; i<line.length; i++) |
||
| 787 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
| 788 | else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
| 789 | for (int i=0; i<line.length; i++) |
||
| 790 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
| 791 | |||
| 792 | else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
| 793 | for (int i=0; i<line.length; i++) |
||
| 794 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
||
| 795 | else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
| 796 | for (int i=0; i<line.length; i++) |
||
| 797 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
||
| 798 | else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
||
| 799 | for (int i=0; i<line.length; i++) |
||
| 800 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
||
| 801 | |||
| 802 | else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
| 803 | for (int i=0; i<line.length; i++) |
||
| 804 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
||
| 805 | else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
||
| 806 | for (int i=0; i<line.length; i++) |
||
| 807 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
||
| 808 | else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
| 809 | for (int i=0; i<line.length; i++) |
||
| 810 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
||
| 811 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
| 812 | } |
||
| 813 | |||
| 814 | private void showOnOpen() { |
||
| 815 | // Report en la apertura (quitar)
|
||
| 816 | System.out.println("Fichero GDAL '"+getName()+"' abierto."); |
||
| 817 | System.out.println("Version = "+file.version); |
||
| 818 | System.out.println(" Size = ("+file.width+","+file.height+")"); |
||
| 819 | try {
|
||
| 820 | System.out.println(" NumBands = ("+file.getRasterCount()+")"); |
||
| 821 | } catch (GdalException e) {
|
||
| 822 | // TODO Auto-generated catch block
|
||
| 823 | e.printStackTrace(); |
||
| 824 | } |
||
| 825 | 2849 | nacho | //file.pintaInfo();
|
| 826 | 2809 | nacho | file.pintaPaleta(); |
| 827 | |||
| 828 | } |
||
| 829 | |||
| 830 | /* (non-Javadoc)
|
||
| 831 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
||
| 832 | */
|
||
| 833 | 5042 | nacho | public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
| 834 | 2809 | nacho | int line, pRGBArray[] = null; |
| 835 | 5042 | nacho | |
| 836 | if(mustVerifySize()){
|
||
| 837 | // Work out the correct aspect for the setView call.
|
||
| 838 | double dFileAspect = (double)v.width()/(double)v.height(); |
||
| 839 | double dWindowAspect = (double)width /(double)height; |
||
| 840 | |||
| 841 | if (dFileAspect > dWindowAspect) {
|
||
| 842 | height =(int)((double)width/dFileAspect); |
||
| 843 | } else {
|
||
| 844 | width = (int)((double)height*dFileAspect); |
||
| 845 | } |
||
| 846 | 2809 | nacho | } |
| 847 | |||
| 848 | // Set the view
|
||
| 849 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
| 850 | width, height); |
||
| 851 | |||
| 852 | if(width<=0)width=1; |
||
| 853 | if(height<=0)height=1; |
||
| 854 | |||
| 855 | pRGBArray = new int[width/**BAND_HEIGHT*/]; |
||
| 856 | try {
|
||
| 857 | setBand(RED_BAND, rBandNr); |
||
| 858 | setBand(GREEN_BAND, gBandNr); |
||
| 859 | setBand(BLUE_BAND, bBandNr); |
||
| 860 | file.setAlpha(getAlpha()); |
||
| 861 | if(img!=null){ |
||
| 862 | for (line=0; line < height; line++) { |
||
| 863 | file.readLineRGBA(pRGBArray); |
||
| 864 | setRGBLine((BufferedImage) img, 0, line, width, 1/*bandH*/, pRGBArray, 0, width, origBand, destBandFlag); |
||
| 865 | } |
||
| 866 | return img;
|
||
| 867 | }else{
|
||
| 868 | Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
||
| 869 | for (line=0; line < height; line++) { |
||
| 870 | file.readLineRGBA(pRGBArray); |
||
| 871 | setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
||
| 872 | } |
||
| 873 | return image;
|
||
| 874 | } |
||
| 875 | } catch (Exception e) { |
||
| 876 | // TODO Auto-generated catch block
|
||
| 877 | e.printStackTrace(); |
||
| 878 | } |
||
| 879 | |||
| 880 | return img;
|
||
| 881 | } |
||
| 882 | |||
| 883 | /* (non-Javadoc)
|
||
| 884 | * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
||
| 885 | */
|
||
| 886 | public Object getData(int x, int y, int band) { |
||
| 887 | // TODO Auto-generated method stub
|
||
| 888 | return null; |
||
| 889 | } |
||
| 890 | |||
| 891 | /**
|
||
| 892 | * Devuelve los datos de una ventana solicitada
|
||
| 893 | * @param ulX coordenada X superior izda.
|
||
| 894 | * @param ulY coordenada Y superior derecha.
|
||
| 895 | * @param sizeX tama?o en X de la ventana.
|
||
| 896 | * @param sizeY tama?o en Y de la ventana.
|
||
| 897 | * @param band Banda solicitada.
|
||
| 898 | */
|
||
| 899 | public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
||
| 900 | |||
| 901 | return null; |
||
| 902 | } |
||
| 903 | |||
| 904 | /**
|
||
| 905 | * Obtiene la zona (Norte / Sur)
|
||
| 906 | * @return true si la zona es norte y false si es sur
|
||
| 907 | */
|
||
| 908 | |||
| 909 | public boolean getZone(){ |
||
| 910 | |||
| 911 | return false; |
||
| 912 | } |
||
| 913 | |||
| 914 | /**
|
||
| 915 | *Devuelve el n?mero de zona UTM
|
||
| 916 | *@return N?mero de zona
|
||
| 917 | */
|
||
| 918 | |||
| 919 | public int getUTM(){ |
||
| 920 | |||
| 921 | return 0; |
||
| 922 | } |
||
| 923 | |||
| 924 | /**
|
||
| 925 | * Obtiene el sistema de coordenadas geograficas
|
||
| 926 | * @return Sistema de coordenadas geogr?ficas
|
||
| 927 | */
|
||
| 928 | public String getGeogCS(){ |
||
| 929 | |||
| 930 | return new String(""); |
||
| 931 | } |
||
| 932 | /**
|
||
| 933 | * Devuelve el tama?o de bloque
|
||
| 934 | * @return Tama?o de bloque
|
||
| 935 | */
|
||
| 936 | public int getBlockSize(){ |
||
| 937 | //TODO Nacho: Implementar getBlockSize de EcwFile
|
||
| 938 | return file.getBlockSize();
|
||
| 939 | } |
||
| 940 | } |
||
| 941 |