svn-gvsig-desktop / tags / Root_v061 / libraries / libCq CMS for java.old / src / org / cresques / io / GdalFile.java @ 4812
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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 | double viewportScale = 0D; |
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146 | double step = 0D; |
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147 | int currentOverview = -1; |
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148 | |||
149 | 3193 | nacho | protected GdalRasterBand bandR = null, bandG = null, bandB = null, bandA = null; |
150 | 2809 | nacho | |
151 | |||
152 | /**
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153 | * Devuelve la banda actualmente en uso para el color especificado.
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154 | * @param color 0=Rojo, 1=Green, 2=Blue.
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155 | * @return
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156 | */
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157 | public GdalRasterBand getCurrentBand(int color) { |
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158 | 3193 | nacho | if (color == 0) |
159 | return bandR;
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160 | else if (color == 1) |
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161 | return bandG;
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162 | 2809 | nacho | return bandB;
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163 | } |
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164 | // Supone rasters no girados
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165 | public Point2D worldToRaster(Point2D pt) { |
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166 | double x = (((double) currentFullWidth)/(esq.maxX-esq.minX))*(pt.getX()-esq.minX); |
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167 | double y = (((double) currentFullHeight)/(esq.maxY-esq.minY))*(esq.maxY-pt.getY()); |
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168 | Point2D ptRes = new Point2D.Double(x, y); |
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169 | return ptRes;
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170 | } |
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171 | |||
172 | public int setView(double dWorldTLX, double dWorldTLY, |
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173 | double dWorldBRX, double dWorldBRY, |
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174 | int nWidth, int nHeight) { |
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175 | int err = 0; |
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176 | currentFullWidth = width; |
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177 | currentFullHeight = height; |
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178 | Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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179 | Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
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180 | // Calcula cual es la primera l?nea a leer;
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181 | currentViewWidth = nWidth; |
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182 | currentViewHeight = nHeight; |
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183 | |||
184 | currentViewX = tl.getX(); |
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185 | viewportScale = (double) currentViewWidth/(br.getX()-tl.getX());
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186 | step = 1D/viewportScale;
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187 | lastReadLine = tl.getY(); |
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188 | try {
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189 | // calcula el overview a usar
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190 | bandR = getRasterBand(1);
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191 | currentOverview = -1;
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192 | if (WITH_OVERVIEWS && bandR.getOverviewCount() > 0) { |
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193 | GdalRasterBand ovb = null;
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194 | for (int i=bandR.getOverviewCount()-1; i>0; i--) { |
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195 | ovb = bandR.getOverview(i); |
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196 | if (ovb.getRasterBandXSize()>getRasterXSize()*viewportScale) {
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197 | currentOverview = i; |
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198 | viewportScale *= ((double) width/(double) ovb.getRasterBandXSize()); |
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199 | step = 1D/viewportScale;
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200 | currentFullWidth = ovb.getRasterBandXSize(); |
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201 | currentFullHeight = ovb.getRasterBandYSize(); |
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202 | tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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203 | currentViewX = tl.getX(); |
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204 | lastReadLine = tl.getY(); |
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205 | break;
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206 | } |
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207 | } |
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208 | } |
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209 | |||
210 | // Selecciona las bandas y los overviews necesarios
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211 | bandR = getRasterBand(rBandNr); |
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212 | setDataType(bandR.getRasterDataType()); |
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213 | if (this.getRasterCount() > 1) { |
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214 | bandG = getRasterBand(gBandNr); |
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215 | bandB = getRasterBand(bBandNr); |
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216 | 4006 | nacho | if(this.getRasterCount() == 4 && shortName.equals("PNG")) |
217 | 3193 | nacho | bandA = getRasterBand(aBandNr); |
218 | 2809 | nacho | } |
219 | if (currentOverview > 0) { |
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220 | bandR = bandR.getOverview(currentOverview); |
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221 | if (this.getRasterCount() > 1) { |
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222 | bandG = bandG.getOverview(currentOverview); |
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223 | bandB = bandB.getOverview(currentOverview); |
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224 | 4006 | nacho | if(this.getRasterCount() == 4 && shortName.equals("PNG")) |
225 | 3193 | nacho | bandA = bandA.getOverview(currentOverview); |
226 | 2809 | nacho | } |
227 | } |
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228 | |||
229 | //System.out.println(band.)
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230 | } catch (GdalException e) {
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231 | // TODO Auto-generated catch block
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232 | e.printStackTrace(); |
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233 | } |
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234 | |||
235 | System.out.println("GdalFile: TL=("+dWorldTLX+","+dWorldTLY+ |
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236 | "); BR=("+dWorldBRX+","+dWorldBRY+")\n"+ |
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237 | "GdalFile: escala="+viewportScale+"; lastReadLine="+lastReadLine+"\n"+ |
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238 | "Actual Raster Size="+currentFullWidth+"x"+currentFullHeight+ |
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239 | "\nDataType="+dataType);
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240 | return err;
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241 | } |
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242 | |||
243 | int lastY = -1; |
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244 | |||
245 | public void readLine(int[][] line) throws GdalException { |
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246 | int w = (int)(((double)currentViewWidth)*step); |
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247 | int x = (int) currentViewX; |
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248 | int y = (int) lastReadLine; |
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249 | 3193 | nacho | GdalBuffer r = null, g = null, b = null, p = null; |
250 | GdalBuffer a = new GdalBuffer();
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251 | |||
252 | 2809 | nacho | //if (alpha > 0) a = alpha << 24;
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253 | if (x+w > bandR.getRasterBandXSize())
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254 | w = bandR.getRasterBandXSize()-x; |
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255 | 3193 | nacho | |
256 | if(bandR.getRasterColorTable() != null){ |
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257 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
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258 | a.buffByte = p.buffAPalette; |
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259 | r = new GdalBuffer();
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260 | r.buffByte = p.buffRPalette; |
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261 | g = new GdalBuffer();
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262 | g.buffByte = p.buffGPalette; |
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263 | b = new GdalBuffer();
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264 | b.buffByte = p.buffBPalette; |
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265 | }else{
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266 | a.buffByte = new byte[w]; |
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267 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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268 | if (bandG != null) |
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269 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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270 | if (bandB != null) |
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271 | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
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272 | } |
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273 | |||
274 | 2809 | nacho | lastReadLine += step; |
275 | |||
276 | 4160 | nacho | int i=0; |
277 | 2809 | nacho | float j =0F; |
278 | |||
279 | if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){
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280 | if (g == null){ // Sibgle Band (Typical DEM) |
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281 | for (int k=0; k<4; k++){ |
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282 | for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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283 | if(k<3) |
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284 | line[i][k] = (r.buffShort[(int) j] & 0xffff); |
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285 | else
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286 | line[i][3] = 0xff; |
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287 | } |
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288 | } |
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289 | }else { // Multiband |
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290 | //System.err.println("readLine(): Raster 16bits multibanda");
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291 | GdalBuffer [] bands = {r,g,b};
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292 | for (int k=0; k<4; k++){ |
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293 | for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step){ |
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294 | if(k<3) |
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295 | line[i][k] = (bands[k].buffShort[(int) j] & 0xffff); |
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296 | else
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297 | line[i][3] = 0xff; |
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298 | } |
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299 | } |
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300 | } |
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301 | 4160 | nacho | }else if(dataType == GDT_Float32){ |
302 | GdalBuffer [] bands = {r,g,b};
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303 | for (int k=0; k<4; k++){ |
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304 | for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step){ |
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305 | //Truncamos el float perdiendo centimetros. Es necesario para visualizar
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306 | if(k < 3) |
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307 | line[i][k] = (int)bands[0].buffFloat[(int) j]; |
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308 | else
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309 | line[i][3] = 0xff; |
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310 | } |
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311 | } |
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312 | 2809 | nacho | } |
313 | 4160 | nacho | |
314 | 2809 | nacho | return;
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315 | } |
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316 | |||
317 | 4160 | nacho | int readLineRGBA(int [] line) throws GdalException { |
318 | 2809 | nacho | int err = 0; |
319 | 4160 | nacho | |
320 | 2809 | nacho | int w = (int)(((double)currentViewWidth)*step); |
321 | int x = (int) currentViewX; |
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322 | int y = (int) lastReadLine; |
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323 | 3193 | nacho | GdalBuffer r = null, g = null, b = null, p = null; |
324 | GdalBuffer a = new GdalBuffer();
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325 | |||
326 | 2809 | nacho | //if (alpha > 0) a = alpha << 24;
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327 | if (x+w > bandR.getRasterBandXSize())
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328 | w = bandR.getRasterBandXSize()-x; |
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329 | 3193 | nacho | |
330 | if(bandR.getRasterColorTable() != null){ |
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331 | p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
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332 | a.buffByte = p.buffAPalette; |
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333 | r = new GdalBuffer();
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334 | r.buffByte = p.buffRPalette; |
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335 | g = new GdalBuffer();
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336 | g.buffByte = p.buffGPalette; |
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337 | b = new GdalBuffer();
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338 | b.buffByte = p.buffBPalette; |
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339 | }else{
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340 | 4006 | nacho | if(getRasterCount() == 4 && shortName.equals("PNG")){ |
341 | a = bandA.readRaster(x, y, w, 1, w, 1, GDT_Byte); |
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342 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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343 | if (bandG != null) |
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344 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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345 | if (bandB != null) |
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346 | 4088 | nacho | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
347 | 4006 | nacho | }else{
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348 | r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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349 | if (bandG != null) |
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350 | g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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351 | if (bandB != null) |
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352 | b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
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353 | a.buffByte = new byte[w]; |
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354 | for (int i = 0;i < w;i++) |
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355 | a.buffByte[i] = (byte)255; |
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356 | } |
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357 | 3193 | nacho | } |
358 | 2809 | nacho | |
359 | lastReadLine += step; |
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360 | 4088 | nacho | |
361 | 4160 | nacho | int i=0; |
362 | 2809 | nacho | float j =0F; |
363 | int alpha = (this.alpha & 0xff) << 24; |
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364 | 4160 | nacho | |
365 | if (dataType == GDT_Byte){
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366 | 2809 | nacho | if (g != null) |
367 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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368 | 4088 | nacho | line[i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + ((r.buffByte[(int) j] & 0xff) << 16) + ((g.buffByte[(int) j] & 0xff) << 8) + (b.buffByte[(int) j] & 0xff); |
369 | 2809 | nacho | } |
370 | else
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371 | for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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372 | 4088 | nacho | line[i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + ((r.buffByte[(int) j] & 0xff) << 16) + |
373 | 2809 | nacho | ((r.buffByte[(int) j] & 0xff) << 8) + (r.buffByte[(int) j] & 0xff); |
374 | } |
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375 | 4160 | nacho | }else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
376 | 2809 | nacho | if (g == null) // Sibgle Band (Typical DEM) |
377 | /*for (i=0, j=0F, i2 = 1; i<currentViewWidth && i2<r.length;
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378 | i++, j+=step, i2 = (((int) j)*2)+1) {
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379 | line[i] = a + ((r[i2-1]) << 8) + r[i2];
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380 | }*/
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381 | for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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382 | 4088 | nacho | line[i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + r.buffShort[(int) j]; |
383 | 2809 | nacho | } |
384 | else { // Multiband |
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385 | // System.err.println("Raster 16bits multibanda");
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386 | for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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387 | 4088 | nacho | line[i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) | (((r.buffShort[(int) j] & 0xfff0) << 12) & 0xff0000 ) | |
388 | 3193 | nacho | (((g.buffShort[(int) j] & 0xfff0) << 4 ) & 0xff00 ) | |
389 | (((b.buffShort[(int) j] & 0xfff0) >> 4 ) & 0xff ); |
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390 | 2809 | nacho | } |
391 | } |
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392 | 4160 | nacho | } |
393 | |||
394 | 2809 | nacho | return err;
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395 | } |
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396 | |||
397 | /**
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398 | * Lee una franja de la imagen.
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399 | * @param bandH Altura de la franja
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400 | * @param bufH Altura del buffer
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401 | * @param buf Buffer con la franja (retorno)
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402 | * @return
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403 | * @throws GdalException
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404 | */
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405 | public int readBandRGBA(int bandH, int bufH, int [] buf) throws GdalException { |
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406 | int err = 0; |
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407 | int w = (int)(((double)currentViewWidth)*step); |
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408 | int x = (int)(((double)currentViewX)*step); |
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409 | int y = (int) lastReadLine; |
||
410 | int h = (int) (((double)bandH)*step); |
||
411 | System.out.println("Leyendo "+y); |
||
412 | 3193 | nacho | GdalBuffer r = null, g = null, b = null, p = null; |
413 | GdalBuffer a = new GdalBuffer();
|
||
414 | |||
415 | 2809 | nacho | if (x+w > bandR.getRasterBandXSize())
|
416 | w = bandR.getRasterBandXSize()-x; |
||
417 | 3193 | nacho | |
418 | if(bandR.getRasterColorTable() != null){ |
||
419 | p = bandR.readRasterWithPalette(x, y, w, h, w, h, GDT_Byte); |
||
420 | a.buffByte = p.buffAPalette; |
||
421 | r = new GdalBuffer();
|
||
422 | r.buffByte = p.buffRPalette; |
||
423 | g = new GdalBuffer();
|
||
424 | g.buffByte = p.buffGPalette; |
||
425 | b = new GdalBuffer();
|
||
426 | b.buffByte = p.buffBPalette; |
||
427 | }else{
|
||
428 | 4006 | nacho | if(getRasterCount() == 4 && shortName.equals("PNG")){ |
429 | a = bandA.readRaster(x, y, w, h, w, h, GDT_Byte); |
||
430 | r = bandR.readRaster(x, y, w, h, w, h, dataType); |
||
431 | if (bandG != null) |
||
432 | g = bandG.readRaster(x, y, w, h, w, h, dataType); |
||
433 | if (bandB != null) |
||
434 | b = bandB.readRaster(x, y, w, h, w, h, dataType); |
||
435 | }else{
|
||
436 | r = bandR.readRaster(x, y, w, h, w, h, dataType); |
||
437 | if (bandG != null) |
||
438 | g = bandG.readRaster(x, y, w, h, w, h, dataType); |
||
439 | if (bandB != null) |
||
440 | b = bandB.readRaster(x, y, w, h, w, h, dataType); |
||
441 | a.buffByte = new byte[w]; |
||
442 | for (int i = 0;i < w*h;i++) |
||
443 | a.buffByte[i] = (byte)255; |
||
444 | } |
||
445 | 3193 | nacho | } |
446 | 2809 | nacho | lastReadLine += ((double)bandH)*step;
|
447 | |||
448 | // TODO Acabar de implementarlo
|
||
449 | float k=0F; |
||
450 | int alpha = (this.alpha & 0xff) << 24; |
||
451 | for (int j=0, t=0; j<bandH; j++) { |
||
452 | k = j*w; t=j*currentViewWidth; |
||
453 | for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=step) { |
||
454 | 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]; |
455 | 2809 | nacho | } |
456 | } |
||
457 | 3193 | nacho | |
458 | 2809 | nacho | return err;
|
459 | |||
460 | } |
||
461 | |||
462 | void pintaInfo() {
|
||
463 | try {
|
||
464 | //System.out.println("Origin = "+originX+","+originY);
|
||
465 | //System.out.println("Origin = "+this.);
|
||
466 | System.out.println("GeoTransform:"); |
||
467 | GeoTransform trans = getGeoTransform(); |
||
468 | for (int i=0; i<6; i++) |
||
469 | System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
||
470 | System.out.println("Metadata:"); |
||
471 | String [] metadata = getMetadata(); |
||
472 | for (int i=0; i<metadata.length; i++) { |
||
473 | System.out.println(metadata[i]);
|
||
474 | } |
||
475 | } catch (GdalException e) {
|
||
476 | 2849 | nacho | |
477 | 2809 | nacho | } |
478 | |||
479 | } |
||
480 | |||
481 | void pintaPaleta() {
|
||
482 | } |
||
483 | |||
484 | public int getBlockSize(){ |
||
485 | return this.getBlockSize(); |
||
486 | } |
||
487 | } |
||
488 | |||
489 | /**
|
||
490 | * @author Luis W. Sevilla
|
||
491 | */
|
||
492 | public class GdalFile extends GeoRasterFile { |
||
493 | public final static int BAND_HEIGHT = 64; |
||
494 | protected GdalNative file = null; |
||
495 | |||
496 | private Extent v = null; |
||
497 | |||
498 | static {
|
||
499 | 3257 | nacho | GeoRasterFile.registerExtension("bmp", GdalFile.class);
|
500 | 3193 | nacho | GeoRasterFile.registerExtension("gif", GdalFile.class);
|
501 | 2809 | nacho | GeoRasterFile.registerExtension("img", GdalFile.class);
|
502 | GeoRasterFile.registerExtension("tif", GdalFile.class);
|
||
503 | GeoRasterFile.registerExtension("tiff", GdalFile.class);
|
||
504 | GeoRasterFile.registerExtension("jpg", GdalFile.class);
|
||
505 | GeoRasterFile.registerExtension("png", GdalFile.class);
|
||
506 | } |
||
507 | |||
508 | public GdalFile(IProjection proj, String fName){ |
||
509 | super(proj, fName);
|
||
510 | extent = new Extent();
|
||
511 | try {
|
||
512 | file = new GdalNative(fName);
|
||
513 | 3084 | nacho | load(); |
514 | 2809 | nacho | showOnOpen(); |
515 | bandCount = file.getRasterCount(); |
||
516 | if ( bandCount > 2) { |
||
517 | setBand(RED_BAND, 0);
|
||
518 | setBand(GREEN_BAND, 1);
|
||
519 | setBand(BLUE_BAND, 2);
|
||
520 | } else
|
||
521 | setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
||
522 | } catch(Exception e){ |
||
523 | System.out.println("Error en GdalOpen"); |
||
524 | e.printStackTrace(); |
||
525 | file = null;
|
||
526 | } |
||
527 | 4160 | nacho | |
528 | switch(file.getDataType()){
|
||
529 | case 1:setDataType(DataBuffer.TYPE_BYTE);break;//GDT_BYTE |
||
530 | case 2://GDT_UInt16 |
||
531 | case 3:setDataType(DataBuffer.TYPE_SHORT);break;//GDT_Int16 |
||
532 | case 4://GDT_UInt32 |
||
533 | case 5:setDataType(DataBuffer.TYPE_INT);break;//GDT_Int32 |
||
534 | case 6:setDataType(DataBuffer.TYPE_FLOAT);break;//GDT_Float32 |
||
535 | case 7:setDataType(DataBuffer.TYPE_DOUBLE);break;//GDT_Float64 |
||
536 | case 8:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt16 |
||
537 | case 9:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt32 |
||
538 | case 10:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat32 |
||
539 | case 11:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat64 |
||
540 | } |
||
541 | |||
542 | 2809 | nacho | } |
543 | |||
544 | 2849 | nacho | /**
|
545 | * Obtenemos o calculamos el extent de la imagen.
|
||
546 | */
|
||
547 | 2809 | nacho | public GeoFile load() {
|
548 | 3084 | nacho | |
549 | extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
||
550 | 2849 | nacho | |
551 | 2809 | nacho | return this; |
552 | } |
||
553 | |||
554 | 3084 | nacho | /**
|
555 | * Cierra el fichero de imagen
|
||
556 | */
|
||
557 | 2809 | nacho | public void close() { |
558 | try {
|
||
559 | 3257 | nacho | if(file != null){ |
560 | file.close(); |
||
561 | file = null;
|
||
562 | } |
||
563 | 2809 | nacho | } catch (GdalException e) {
|
564 | // TODO Auto-generated catch block
|
||
565 | e.printStackTrace(); |
||
566 | } |
||
567 | } |
||
568 | |||
569 | 3084 | nacho | /**
|
570 | * Asigna a cada banda R,G o B una banda de la imagen
|
||
571 | */
|
||
572 | 2809 | nacho | public void setBand(int flag, int bandNr) { |
573 | super.setBand(flag, bandNr);
|
||
574 | if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
||
575 | if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
||
576 | if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
||
577 | } |
||
578 | |||
579 | 3084 | nacho | /**
|
580 | * Asigna el extent de la vista actual
|
||
581 | */
|
||
582 | public void setView(Extent e) { |
||
583 | v = new Extent(e);
|
||
584 | } |
||
585 | |||
586 | /**
|
||
587 | * Obtiene extent de la vista actual
|
||
588 | */
|
||
589 | public Extent getView() {
|
||
590 | return v;
|
||
591 | } |
||
592 | |||
593 | /**
|
||
594 | * Obtiene la anchura del fichero
|
||
595 | */
|
||
596 | public int getWidth() { |
||
597 | return file.width;
|
||
598 | } |
||
599 | |||
600 | /**
|
||
601 | * Obtiene la altura del fichero
|
||
602 | */
|
||
603 | public int getHeight() { |
||
604 | return file.height;
|
||
605 | } |
||
606 | 2809 | nacho | |
607 | /* (non-Javadoc)
|
||
608 | * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
||
609 | */
|
||
610 | public void reProject(ICoordTrans rp) { |
||
611 | // TODO Auto-generated method stub
|
||
612 | |||
613 | } |
||
614 | 3084 | nacho | |
615 | 2809 | nacho | /* (non-Javadoc)
|
616 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
||
617 | */
|
||
618 | public Image updateImage(int width, int height, ICoordTrans rp) { |
||
619 | double dFileAspect, dWindowAspect;
|
||
620 | int line, pRGBArray[] = null; |
||
621 | Image image = null; |
||
622 | 3084 | nacho | |
623 | 2809 | nacho | // Work out the correct aspect for the setView call.
|
624 | dFileAspect = (double)v.width()/(double)v.height(); |
||
625 | dWindowAspect = (double)width /(double)height; |
||
626 | |||
627 | if (dFileAspect > dWindowAspect) {
|
||
628 | height =(int)((double)width/dFileAspect); |
||
629 | } else {
|
||
630 | width = (int)((double)height*dFileAspect); |
||
631 | } |
||
632 | |||
633 | // Set the view
|
||
634 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
635 | width, height); |
||
636 | |||
637 | if(width<=0)width=1; |
||
638 | if(height<=0)height=1; |
||
639 | |||
640 | image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
||
641 | //image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
||
642 | pRGBArray = new int[width/**BAND_HEIGHT*/]; |
||
643 | try {
|
||
644 | //int nLin = height % BAND_HEIGHT;
|
||
645 | file.setAlpha(getAlpha()); |
||
646 | setBand(RED_BAND, rBandNr); |
||
647 | setBand(GREEN_BAND, gBandNr); |
||
648 | setBand(BLUE_BAND, bBandNr); |
||
649 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
650 | //int bandH = Math.min(BAND_HEIGHT, height-line);
|
||
651 | //file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
||
652 | file.readLineRGBA(pRGBArray); |
||
653 | setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
||
654 | } |
||
655 | } catch (Exception e) { |
||
656 | // TODO Auto-generated catch block
|
||
657 | e.printStackTrace(); |
||
658 | } |
||
659 | |||
660 | return image;
|
||
661 | } |
||
662 | |||
663 | public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
||
664 | double dFileAspect, dWindowAspect;
|
||
665 | 4160 | nacho | int line;
|
666 | 2809 | nacho | RasterBuf raster = null;
|
667 | 3084 | nacho | |
668 | 2809 | nacho | // Work out the correct aspect for the setView call.
|
669 | dFileAspect = (double)v.width()/(double)v.height(); |
||
670 | dWindowAspect = (double)width /(double)height; |
||
671 | |||
672 | if (dFileAspect > dWindowAspect) {
|
||
673 | height =(int)((double)width/dFileAspect); |
||
674 | } else {
|
||
675 | width = (int)((double)height*dFileAspect); |
||
676 | } |
||
677 | |||
678 | // Set the view
|
||
679 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
680 | width, height); |
||
681 | |||
682 | raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0)); |
||
683 | try {
|
||
684 | //int nLin = height % BAND_HEIGHT;
|
||
685 | file.setAlpha(getAlpha()); |
||
686 | setBand(RED_BAND, rBandNr); |
||
687 | setBand(GREEN_BAND, gBandNr); |
||
688 | setBand(BLUE_BAND, bBandNr); |
||
689 | for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
||
690 | file.readLine(raster.getLineInt(line)); |
||
691 | } |
||
692 | } catch (Exception e) { |
||
693 | // TODO Auto-generated catch block
|
||
694 | e.printStackTrace(); |
||
695 | } |
||
696 | |||
697 | return raster;
|
||
698 | } |
||
699 | |||
700 | /**
|
||
701 | * Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
||
702 | * vector de enteros.
|
||
703 | * @param image imagen con los datos actuales
|
||
704 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
705 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
706 | * @param w Ancho de la imagen
|
||
707 | * @param h Alto de la imagen
|
||
708 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
709 | * @param offset desplazamiento
|
||
710 | * @param scansize tama?o de imagen recorrida por cada p
|
||
711 | */
|
||
712 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
713 | int offset, int scansize) { |
||
714 | image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
||
715 | } |
||
716 | |||
717 | /**
|
||
718 | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
||
719 | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
||
720 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
721 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
722 | * @param image imagen con los datos actuales
|
||
723 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
724 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
725 | * @param w Ancho de la imagen
|
||
726 | * @param h Alto de la imagen
|
||
727 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
728 | * @param offset desplazamiento
|
||
729 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
730 | * @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
731 | */
|
||
732 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
733 | int offset, int scansize, int flags) { |
||
734 | int [] line = new int[rgbArray.length]; |
||
735 | image.getRGB(startX, startY, w, h, line, offset, scansize); |
||
736 | if (flags == GeoRasterFile.RED_BAND)
|
||
737 | for (int i=0; i<line.length; i++) |
||
738 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
739 | else if (flags == GeoRasterFile.GREEN_BAND) |
||
740 | for (int i=0; i<line.length; i++) |
||
741 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
742 | else if (flags == GeoRasterFile.BLUE_BAND) |
||
743 | for (int i=0; i<line.length; i++) |
||
744 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
745 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
746 | } |
||
747 | |||
748 | /**
|
||
749 | * Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
||
750 | * con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
||
751 | * que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
||
752 | * banda correspondiente a flags es sustituida por los datos del vector.
|
||
753 | * @param image imagen con los datos actuales
|
||
754 | * @param startX inicio de la posici?n en X dentro de la imagen
|
||
755 | * @param startY inicio de la posici?n en X dentro de la imagen
|
||
756 | * @param w Ancho de la imagen
|
||
757 | * @param h Alto de la imagen
|
||
758 | * @param rgbArray vector que contiene la banda que se va a sustituir
|
||
759 | * @param offset desplazamiento
|
||
760 | * @param scansize tama?o de imagen recorrida por cada paso
|
||
761 | * @param origBand Banda origen del GeoRasterFile
|
||
762 | * @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
||
763 | */
|
||
764 | protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
||
765 | int offset, int scansize, int origBand, int destBandFlag) { |
||
766 | int [] line = new int[rgbArray.length]; |
||
767 | image.getRGB(startX, startY, w, h, line, offset, scansize); |
||
768 | if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
||
769 | for (int i=0; i<line.length; i++) |
||
770 | line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
||
771 | else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
772 | for (int i=0; i<line.length; i++) |
||
773 | line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
||
774 | else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
775 | for (int i=0; i<line.length; i++) |
||
776 | line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
||
777 | |||
778 | else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
779 | for (int i=0; i<line.length; i++) |
||
780 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
||
781 | else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
782 | for (int i=0; i<line.length; i++) |
||
783 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
||
784 | else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
||
785 | for (int i=0; i<line.length; i++) |
||
786 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
||
787 | |||
788 | else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
||
789 | for (int i=0; i<line.length; i++) |
||
790 | line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
||
791 | else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
||
792 | for (int i=0; i<line.length; i++) |
||
793 | line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
||
794 | else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
||
795 | for (int i=0; i<line.length; i++) |
||
796 | line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
||
797 | image.setRGB(startX, startY, w, h, line, offset, scansize); |
||
798 | } |
||
799 | |||
800 | private void showOnOpen() { |
||
801 | // Report en la apertura (quitar)
|
||
802 | System.out.println("Fichero GDAL '"+getName()+"' abierto."); |
||
803 | System.out.println("Version = "+file.version); |
||
804 | System.out.println(" Size = ("+file.width+","+file.height+")"); |
||
805 | try {
|
||
806 | System.out.println(" NumBands = ("+file.getRasterCount()+")"); |
||
807 | } catch (GdalException e) {
|
||
808 | // TODO Auto-generated catch block
|
||
809 | e.printStackTrace(); |
||
810 | } |
||
811 | 2849 | nacho | //file.pintaInfo();
|
812 | 2809 | nacho | file.pintaPaleta(); |
813 | |||
814 | } |
||
815 | |||
816 | /* (non-Javadoc)
|
||
817 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
||
818 | */
|
||
819 | public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag){ |
||
820 | |||
821 | double dFileAspect, dWindowAspect;
|
||
822 | int line, pRGBArray[] = null; |
||
823 | 3084 | nacho | |
824 | 2809 | nacho | // Work out the correct aspect for the setView call.
|
825 | dFileAspect = (double)v.width()/(double)v.height(); |
||
826 | dWindowAspect = (double)width /(double)height; |
||
827 | |||
828 | if (dFileAspect > dWindowAspect) {
|
||
829 | height =(int)((double)width/dFileAspect); |
||
830 | } else {
|
||
831 | width = (int)((double)height*dFileAspect); |
||
832 | } |
||
833 | |||
834 | // Set the view
|
||
835 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
||
836 | width, height); |
||
837 | |||
838 | if(width<=0)width=1; |
||
839 | if(height<=0)height=1; |
||
840 | |||
841 | pRGBArray = new int[width/**BAND_HEIGHT*/]; |
||
842 | try {
|
||
843 | setBand(RED_BAND, rBandNr); |
||
844 | setBand(GREEN_BAND, gBandNr); |
||
845 | setBand(BLUE_BAND, bBandNr); |
||
846 | file.setAlpha(getAlpha()); |
||
847 | if(img!=null){ |
||
848 | for (line=0; line < height; line++) { |
||
849 | file.readLineRGBA(pRGBArray); |
||
850 | setRGBLine((BufferedImage) img, 0, line, width, 1/*bandH*/, pRGBArray, 0, width, origBand, destBandFlag); |
||
851 | } |
||
852 | return img;
|
||
853 | }else{
|
||
854 | Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
||
855 | for (line=0; line < height; line++) { |
||
856 | file.readLineRGBA(pRGBArray); |
||
857 | setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
||
858 | } |
||
859 | return image;
|
||
860 | } |
||
861 | } catch (Exception e) { |
||
862 | // TODO Auto-generated catch block
|
||
863 | e.printStackTrace(); |
||
864 | } |
||
865 | |||
866 | return img;
|
||
867 | } |
||
868 | |||
869 | /* (non-Javadoc)
|
||
870 | * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
||
871 | */
|
||
872 | public Object getData(int x, int y, int band) { |
||
873 | // TODO Auto-generated method stub
|
||
874 | return null; |
||
875 | } |
||
876 | |||
877 | /**
|
||
878 | * Devuelve los datos de una ventana solicitada
|
||
879 | * @param ulX coordenada X superior izda.
|
||
880 | * @param ulY coordenada Y superior derecha.
|
||
881 | * @param sizeX tama?o en X de la ventana.
|
||
882 | * @param sizeY tama?o en Y de la ventana.
|
||
883 | * @param band Banda solicitada.
|
||
884 | */
|
||
885 | public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
||
886 | |||
887 | return null; |
||
888 | } |
||
889 | |||
890 | /**
|
||
891 | * Obtiene la zona (Norte / Sur)
|
||
892 | * @return true si la zona es norte y false si es sur
|
||
893 | */
|
||
894 | |||
895 | public boolean getZone(){ |
||
896 | |||
897 | return false; |
||
898 | } |
||
899 | |||
900 | /**
|
||
901 | *Devuelve el n?mero de zona UTM
|
||
902 | *@return N?mero de zona
|
||
903 | */
|
||
904 | |||
905 | public int getUTM(){ |
||
906 | |||
907 | return 0; |
||
908 | } |
||
909 | |||
910 | /**
|
||
911 | * Obtiene el sistema de coordenadas geograficas
|
||
912 | * @return Sistema de coordenadas geogr?ficas
|
||
913 | */
|
||
914 | public String getGeogCS(){ |
||
915 | |||
916 | return new String(""); |
||
917 | } |
||
918 | /**
|
||
919 | * Devuelve el tama?o de bloque
|
||
920 | * @return Tama?o de bloque
|
||
921 | */
|
||
922 | public int getBlockSize(){ |
||
923 | //TODO Nacho: Implementar getBlockSize de EcwFile
|
||
924 | return file.getBlockSize();
|
||
925 | } |
||
926 | } |
||
927 |