svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / MrSidFile.java @ 1809
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1 | 1129 | igbrotru | /*
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2 | * Created on 25-sep-2004 (20-oct-2004)
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3 | */
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4 | package org.cresques.io; |
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5 | |||
6 | import java.awt.Image; |
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7 | import java.awt.geom.Point2D; |
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8 | import java.awt.image.BufferedImage; |
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9 | import java.io.IOException; |
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10 | import java.util.Vector; |
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11 | |||
12 | import org.cresques.cts.ICoordTrans; |
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13 | import org.cresques.cts.IProjection; |
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14 | import org.cresques.io.GeoFile; |
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15 | import org.cresques.io.GeoRasterFile; |
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16 | import org.cresques.px.Extent; |
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17 | |||
18 | import es.gva.cit.jmrsid.*; |
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19 | |||
20 | |||
21 | |||
22 | /**
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23 | *
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24 | * @author nacho
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25 | *
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26 | * TODO To change the template for this generated type comment go to
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27 | * Window - Preferences - Java - Code Style - Code Templates
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28 | */
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29 | |||
30 | class MrSidNative extends MrSIDImageReader { |
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31 | |||
32 | static boolean WITH_OVERVIEWS = true; |
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33 | // Polilinea con extent
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34 | class Contour extends Vector { |
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35 | public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE; |
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36 | public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE; |
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37 | public Contour() {
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38 | super();
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39 | } |
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40 | public void add(Point2D pt) { |
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41 | super.add(pt);
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42 | if (pt.getX() > maxX) maxX = pt.getX();
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43 | if (pt.getX() < minX) minX = pt.getX();
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44 | if (pt.getY() > maxY) maxY = pt.getY();
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45 | if (pt.getY() < minY) minY = pt.getY();
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46 | } |
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47 | } |
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48 | |||
49 | /**
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50 | * Contorno en coordenadas geogr?ficas. (y Extent del raster).
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51 | */
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52 | public Contour esq = new Contour(); |
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53 | public int width = 0, height = 0; |
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54 | public double originX = 0D, originY = 0D; |
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55 | public String version = ""; |
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56 | public LTIMetadataDatabase metadata;
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57 | public LTIPixel pixel=null; |
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58 | |||
59 | |||
60 | |||
61 | private int alpha = 0; |
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62 | protected int rBandNr = 1, gBandNr = 2, bBandNr = 3; |
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63 | 1527 | luisw | protected byte [] bandR, bandG, bandB; |
64 | 1129 | igbrotru | private int dataType = LTIDataType.LTI_DATATYPE_UINT8; |
65 | |||
66 | //View
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67 | |||
68 | double currentViewY = -1; |
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69 | int currentFullWidth = -1; |
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70 | int currentFullHeight = -1; |
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71 | int currentViewWidth = -1; |
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72 | int currentViewHeight = -1; |
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73 | double currentViewX = 0D; |
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74 | double viewportScale = 0D; |
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75 | double step = 0D; |
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76 | int currentOverview = -1; |
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77 | private double zoomoverview=0.0; |
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78 | int eColorSpace;
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79 | int eSampleType;
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80 | public int nbands; |
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81 | 1131 | igbrotru | int noverviews;
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82 | 1129 | igbrotru | public int xini,yini,anchoOver, altoOver; |
83 | 1735 | igbrotru | public int blocksize = 1; |
84 | 1129 | igbrotru | |
85 | |||
86 | public MrSidNative(String fName) throws MrSIDException, IOException { |
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87 | super(fName);
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88 | init(fName); |
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89 | } |
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90 | |||
91 | /********************************************************************/
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92 | |||
93 | private void init(String fName) throws MrSIDException, IOException { |
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94 | |||
95 | this.initialize();
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96 | |||
97 | String ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1); |
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98 | |||
99 | width = this.getWidth();
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100 | height = this.getHeight();
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101 | 1131 | igbrotru | eSampleType = this.getDataType();
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102 | nbands = this.getNumBands();
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103 | eColorSpace = this.getColorSpace();
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104 | noverviews = this.getNumLevels();
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105 | 1735 | igbrotru | |
106 | 1129 | igbrotru | metadata = this.getMetadata();
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107 | double ox=0D, oy=0D, resx=0D, resy=0D; |
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108 | |||
109 | LTIGeoCoord geoc = this.getGeoCoord();
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110 | |||
111 | ox = geoc.getX(); |
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112 | oy = geoc.getY(); |
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113 | resx = geoc.getXRes(); |
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114 | resy = geoc.getYRes(); |
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115 | |||
116 | System.out.println("Origin = ("+ox+","+oy+")"); |
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117 | System.out.println("Pixel Size = ("+resx+","+resy+")"); |
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118 | esq.add(new Point2D.Double(ox, oy)); |
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119 | esq.add(new Point2D.Double(ox+resx*width, oy)); |
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120 | esq.add(new Point2D.Double(ox, oy+resy*height)); |
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121 | esq.add(new Point2D.Double(ox+resx*width, oy+resy*height)); |
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122 | 1735 | igbrotru | |
123 | blocksize = this.getStripHeight();
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124 | System.out.println("StripHeight = ("+blocksize+")"); |
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125 | 1129 | igbrotru | |
126 | } |
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127 | |||
128 | /********************************************************************/
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129 | |||
130 | public void setAlpha(int a) { alpha = a; } |
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131 | |||
132 | /********************************************************************/
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133 | |||
134 | public void setDataType(int dt) { dataType = dt; } |
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135 | |||
136 | /********************************************************************/
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137 | |||
138 | // Supone rasters no girados
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139 | public Point2D worldToRaster(Point2D pt) { |
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140 | double x = (((double) currentFullWidth)/(esq.maxX-esq.minX))*(pt.getX()-esq.minX); |
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141 | double y = (((double) currentFullHeight)/(esq.maxY-esq.minY))*(esq.maxY-pt.getY()); |
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142 | Point2D ptRes = new Point2D.Double(x, y); |
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143 | return ptRes;
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144 | } |
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145 | |||
146 | /********************************************************************/
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147 | |||
148 | public void setView(double dWorldTLX, double dWorldTLY, |
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149 | double dWorldBRX, double dWorldBRY, |
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150 | int nWidth, int nHeight) { |
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151 | |||
152 | //Ancho y alto de la im?gen en pixeles (pixeles de la overview)
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153 | currentFullWidth = width; |
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154 | currentFullHeight = height; |
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155 | |||
156 | //Ventana de la imagen. (en tama?o completo)
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157 | //tl->esq sup izda en pixeles
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158 | //br->esq inf der en pixeles
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159 | |||
160 | Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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161 | Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
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162 | 1735 | igbrotru | //System.out.println("2========>"+tl.getX()+","+tl.getY()+","+br.getX()+","+br.getY()+","+width+","+height);
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163 | 1129 | igbrotru | |
164 | //Ancho y alto de la im?gen (pixeles en pantalla)
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165 | currentViewWidth = nWidth; |
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166 | currentViewHeight = nHeight; |
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167 | |||
168 | currentViewX = tl.getX(); |
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169 | currentViewY = tl.getY(); |
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170 | |||
171 | viewportScale = (double) currentViewWidth/(br.getX()-tl.getX());
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172 | 1735 | igbrotru | //System.out.println("2.4========>"+currentViewWidth+","+br.getX()+" "+tl.getX()+" "+viewportScale);
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173 | 1129 | igbrotru | currentViewY = tl.getY(); |
174 | try {
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175 | // calcula el overview a usar
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176 | |||
177 | |||
178 | int[] dims=null; |
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179 | double zoom=1.0; |
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180 | zoomoverview=1.0;
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181 | currentOverview = -1;
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182 | 1131 | igbrotru | if (WITH_OVERVIEWS && noverviews-1 > 0) { |
183 | for (int i=(noverviews-1); i>0; i--) { |
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184 | 1129 | igbrotru | zoom = LTIUtils.levelToMag(i); |
185 | dims=this.getDimsAtMag(zoom);
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186 | 1735 | igbrotru | //System.out.println("2.5========>"+viewportScale+", dims="+dims[0]+","+dims[1]+
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187 | //" zoom="+zoom+" this.getWidth()"+this.getWidth()+"\nviewportScale"+viewportScale);
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188 | 1129 | igbrotru | if (dims[0]>this.getWidth()*viewportScale) { |
189 | currentOverview = i; |
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190 | 1735 | igbrotru | //System.out.println("2.6========>OVERVIEW SELECC="+i+" zoom="+zoom+" dims="+dims[0]+","+dims[1]);
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191 | 1129 | igbrotru | zoomoverview=zoom; |
192 | viewportScale /= zoomoverview; |
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193 | currentFullWidth = dims[0];
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194 | currentFullHeight = dims[1];
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195 | tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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196 | currentViewX = tl.getX(); |
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197 | currentViewY = tl.getY(); |
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198 | break;
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199 | } |
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200 | } |
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201 | } |
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202 | |||
203 | // Selecciona las bandas y los overviews necesarios
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204 | |||
205 | 1131 | igbrotru | setDataType(eSampleType); |
206 | 1129 | igbrotru | |
207 | |||
208 | } catch (MrSIDException e) {
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209 | e.printStackTrace(); |
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210 | } |
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211 | |||
212 | System.out.println("MrSIDFile: TL=("+dWorldTLX+","+dWorldTLY+ |
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213 | "); BR=("+dWorldBRX+","+dWorldBRY+")\n"+ |
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214 | "MrSIDFile: escala="+viewportScale+"\n"+ |
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215 | "Actual Raster Size="+currentFullWidth+"x"+currentFullHeight); |
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216 | |||
217 | } |
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218 | |||
219 | /********************************************************************/
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220 | |||
221 | void pintaInfo() {
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222 | try {
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223 | |||
224 | System.out.println("GeoTransform:"); |
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225 | LTIGeoCoord geoc = this.getGeoCoord();
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226 | |||
227 | System.out.println(" param[0]="+geoc.getX()); |
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228 | System.out.println(" param[0]="+geoc.getY()); |
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229 | System.out.println(" param[0]="+geoc.getXRes()); |
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230 | System.out.println(" param[0]="+geoc.getYRes()); |
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231 | System.out.println(" param[0]="+geoc.getXRot()); |
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232 | System.out.println(" param[0]="+geoc.getYRot()); |
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233 | System.out.println("Metadata:"); |
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234 | LTIMetadataDatabase metadata = this.getMetadata();
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235 | for (int i=0; i<metadata.getIndexCount(); i++) |
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236 | { |
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237 | LTIMetadataRecord rec = null;
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238 | rec = metadata.getDataByIndex(i); |
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239 | System.out.println(rec.getTagName());
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240 | |||
241 | if(rec.isScalar())System.out.println(rec.getScalarData()); |
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242 | else if(rec.isVector()){ |
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243 | String[] s = rec.getVectorData(); |
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244 | for(int j=0;j<s.length;j++)System.out.println("V"+j+"->"+s[j]); |
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245 | }else if(rec.isArray()){ |
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246 | String[] s = rec.getArrayData(); |
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247 | for(int j=0;j<s.length;j++)System.out.println("A"+j+"->"+s[j]); |
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248 | } |
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249 | |||
250 | else System.out.println(""); |
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251 | } |
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252 | } catch (MrSIDException e) {
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253 | // TODO Auto-generated catch block
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254 | e.printStackTrace(); |
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255 | } |
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256 | |||
257 | } |
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258 | |||
259 | /********************************************************************/
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260 | |||
261 | void pintaPaleta() {
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262 | } |
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263 | |||
264 | /********************************************************************/
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265 | |||
266 | public int readScene(int [] line) throws MrSIDException { |
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267 | 1455 | luisw | //int a = 0;
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268 | 1129 | igbrotru | int x = (int)currentViewX; |
269 | int y = (int)currentViewY; |
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270 | int SceneWidth;
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271 | int SceneHeight;
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272 | |||
273 | try{
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274 | if(x==0 && y==0){ |
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275 | SceneWidth = currentFullWidth; |
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276 | SceneHeight = currentFullHeight; |
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277 | }else{
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278 | SceneWidth = (int) (((double)currentViewWidth)/viewportScale); |
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279 | SceneHeight = (int) (((double)currentViewHeight)/viewportScale); |
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280 | } |
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281 | 1527 | luisw | |
282 | 1129 | igbrotru | if(SceneWidth==0)SceneWidth=1; |
283 | if(SceneHeight==0)SceneHeight=1; |
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284 | 1735 | igbrotru | //System.out.println("2.9========>ColorSpace="+eColorSpace+" nbands="+nbands+" eSampleType="+eSampleType);
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285 | 1129 | igbrotru | if(pixel==null)pixel = new LTIPixel(eColorSpace, nbands, eSampleType); |
286 | LTIScene scene = new LTIScene(x, y, SceneWidth, SceneHeight, zoomoverview);
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287 | // Este deber?a ser el constructor con ventana
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288 | 1183 | igbrotru | LTISceneBuffer buffer = new LTISceneBuffer(pixel, SceneWidth, SceneHeight, true); |
289 | 1735 | igbrotru | /*System.out.println("3========>currentViewX/Y=("+currentViewX+","+currentViewY+
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290 | 1129 | igbrotru | ")\n\t currentView Size=("+currentViewWidth+","+currentViewHeight+
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291 | ")\n\t currentScene Size=("+SceneWidth+","+SceneHeight+
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292 | ")\n\t (x,y)=("+x+","+y+") CurrentFull=("+currentFullWidth+","+currentFullHeight+
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293 | ")\n\t AnchoAlto=("+this.getWidth()+","+this.getHeight()+
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294 | ")\n\t Buff-length="+buffer.buf1.length+" zoom="+zoomoverview +
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295 | 1735 | igbrotru | ")\n\t viewportscale="+viewportScale);*/
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296 | 1129 | igbrotru | ((LTIImageStage)this).read(scene, buffer);
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297 | |||
298 | |||
299 | if (dataType == LTIDataType.LTI_DATATYPE_UINT8 ||
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300 | dataType == LTIDataType.LTI_DATATYPE_SINT8 || |
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301 | dataType == LTIDataType.LTI_DATATYPE_SINT16 || |
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302 | dataType == LTIDataType.LTI_DATATYPE_SINT32 || |
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303 | 1455 | luisw | dataType == LTIDataType.LTI_DATATYPE_UINT16 || |
304 | 1129 | igbrotru | dataType == LTIDataType.LTI_DATATYPE_UINT32){ |
305 | |||
306 | int kd, k;
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307 | double scale = 1/viewportScale; |
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308 | 1455 | luisw | int alpha = (this.alpha & 0xff) << 24; |
309 | 1527 | luisw | if (rBandNr == 1) bandR = buffer.buf1; |
310 | else if (rBandNr == 2) bandR = buffer.buf2; |
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311 | else if (rBandNr == 3) bandR = buffer.buf3; |
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312 | if (gBandNr == 1) bandG = buffer.buf1; |
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313 | else if (gBandNr == 2) bandG = buffer.buf2; |
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314 | else if (gBandNr == 3) bandG = buffer.buf3; |
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315 | if (bBandNr == 1) bandB = buffer.buf1; |
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316 | else if (bBandNr == 2) bandB = buffer.buf2; |
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317 | else if (bBandNr == 3) bandB = buffer.buf3; |
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318 | if (eColorSpace==LTIColorSpace.LTI_COLORSPACE_RGB)
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319 | 1129 | igbrotru | //for(int k=0;k<buffer.size;k++)
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320 | for (int y1=0; y1<currentViewHeight; y1++) |
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321 | for (int x1=0; x1<currentViewWidth; x1++) { |
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322 | kd = y1*currentViewWidth+x1; |
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323 | k = ((int) (y1*scale))*SceneWidth+ (int)(((double) x1)*scale); |
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324 | try {
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325 | 1527 | luisw | line[kd] = alpha + ((0xff & bandR[k])<<16) + (( 0xff & bandG[k])<<8) + (0xff & bandB[k]); |
326 | 1129 | igbrotru | } catch (java.lang.ArrayIndexOutOfBoundsException e) {
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327 | } |
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328 | } |
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329 | |||
330 | if(eColorSpace==LTIColorSpace.LTI_COLORSPACE_GRAYSCALE)
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331 | 1735 | igbrotru | for (int y1=0; y1<currentViewHeight; y1++) |
332 | for (int x1=0; x1<currentViewWidth; x1++) { |
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333 | kd = y1*currentViewWidth+x1; |
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334 | k = ((int) (y1*scale))*SceneWidth+ (int)(((double) x1)*scale); |
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335 | try {
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336 | line[kd] = alpha + bandR[k]; |
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337 | } catch (java.lang.ArrayIndexOutOfBoundsException e) {
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338 | } |
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339 | } |
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340 | |||
341 | 1129 | igbrotru | |
342 | } else if (dataType == LTIDataType.LTI_DATATYPE_FLOAT32 || |
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343 | dataType == LTIDataType.LTI_DATATYPE_FLOAT32) { |
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344 | } |
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345 | |||
346 | buffer=null;
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347 | }catch(MrSIDException e){
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348 | e.printStackTrace(); |
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349 | } |
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350 | |||
351 | return 0; |
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352 | } |
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353 | 1735 | igbrotru | |
354 | /**
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355 | * Lee una ventana de la imagen y devuelve un buffer de bytes
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356 | * @param ulX
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357 | * @param ulY
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358 | * @param sizeX
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359 | * @param sizeY
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360 | * @param band
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361 | * @return
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362 | * @throws MrSIDException
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363 | */
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364 | public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band)throws MrSIDException{ |
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365 | |||
366 | if(pixel==null)pixel = new LTIPixel(eColorSpace, nbands, eSampleType); |
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367 | |||
368 | LTIScene scene=new LTIScene(ulX, ulY, sizeX, sizeY, 1.0); |
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369 | LTISceneBuffer buffer=new LTISceneBuffer(pixel, sizeX, sizeY, true); |
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370 | ((LTIImageStage)this).read(scene,buffer);
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371 | if(band==1)return buffer.buf1; |
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372 | else if(band==2)return buffer.buf2; |
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373 | else if(band==3)return buffer.buf3; |
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374 | return null; |
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375 | } |
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376 | |||
377 | |||
378 | |||
379 | 1129 | igbrotru | } |
380 | |||
381 | public class MrSidFile extends GeoRasterFile { |
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382 | public final static int BAND_HEIGHT = 64; |
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383 | protected MrSidNative file = null; |
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384 | |||
385 | private Extent v = null; |
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386 | |||
387 | static {
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388 | GeoRasterFile.registerExtension("sid", MrSidFile.class);
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389 | } |
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390 | |||
391 | public MrSidFile(IProjection proj, String fName) { |
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392 | super(proj, fName);
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393 | extent = new Extent();
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394 | try {
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395 | file = new MrSidNative(fName);
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396 | showOnOpen(); |
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397 | load(); |
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398 | bandCount = file.nbands; |
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399 | 1527 | luisw | if ( bandCount > 2) { |
400 | setBand(RED_BAND, 0);
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401 | setBand(GREEN_BAND, 1);
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402 | setBand(BLUE_BAND, 2);
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403 | } else
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404 | setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
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405 | 1129 | igbrotru | } catch(Exception e){ |
406 | System.out.println("Error en constructor de MrSID"); |
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407 | e.printStackTrace(); |
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408 | file = null;
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409 | } |
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410 | } |
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411 | |||
412 | public GeoFile load() {
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413 | extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
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414 | return this; |
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415 | } |
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416 | |||
417 | public void close() { |
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418 | file=null;
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419 | } |
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420 | |||
421 | public void setBand(int flag, int bandNr) { |
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422 | super.setBand(flag, bandNr);
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423 | 1527 | luisw | if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
424 | if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
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425 | if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
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426 | 1129 | igbrotru | } |
427 | public void setView(Extent e) { v = new Extent(e); } |
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428 | public Extent getView() { return v; } |
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429 | |||
430 | public int getWidth() { return file.width; } |
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431 | public int getHeight() { return file.height;} |
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432 | |||
433 | /* (non-Javadoc)
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434 | * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
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435 | */
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436 | public void reProject(ICoordTrans rp) { |
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437 | // TODO Auto-generated method stub
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438 | |||
439 | } |
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440 | /* (non-Javadoc)
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441 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
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442 | */
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443 | public Image updateImage(int width, int height, ICoordTrans rp) { |
||
444 | double dFileAspect, dWindowAspect;
|
||
445 | int line, pRGBArray[] = null; |
||
446 | Image image = null; |
||
447 | |||
448 | // Work out the correct aspect for the setView call.
|
||
449 | dFileAspect = (double)v.width()/(double)v.height(); |
||
450 | dWindowAspect = (double)width /(double)height; |
||
451 | |||
452 | if (dFileAspect > dWindowAspect) {
|
||
453 | height =(int)((double)width/dFileAspect); |
||
454 | } else {
|
||
455 | width = (int)((double)height*dFileAspect); |
||
456 | } |
||
457 | |||
458 | // Set the view
|
||
459 | |||
460 | file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(),width, height); |
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461 | 1735 | igbrotru | //System.out.println("1========>"+v.minX()+","+ v.maxY()+","+v.maxX()+","+v.minY()+","+width+","+height);
|
462 | 1129 | igbrotru | |
463 | //Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
||
464 | |||
465 | if(width<=0)width=1; |
||
466 | if(height<=0)height=1; |
||
467 | |||
468 | |||
469 | 1455 | luisw | image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
470 | 1129 | igbrotru | pRGBArray = new int[width*height]; |
471 | |||
472 | try {
|
||
473 | 1735 | igbrotru | //System.out.println("1.5========>"+width+","+height);
|
474 | 1527 | luisw | file.setAlpha(getAlpha()); |
475 | setBand(RED_BAND, rBandNr); |
||
476 | setBand(GREEN_BAND, gBandNr); |
||
477 | setBand(BLUE_BAND, bBandNr); |
||
478 | |||
479 | 1129 | igbrotru | file.readScene(pRGBArray); |
480 | ((BufferedImage)image).setRGB(0, 0, width, height, pRGBArray, 0, width); |
||
481 | |||
482 | |||
483 | } catch (Exception e) { |
||
484 | e.printStackTrace(); |
||
485 | } |
||
486 | |||
487 | return image;
|
||
488 | } |
||
489 | |||
490 | |||
491 | private void showOnOpen() { |
||
492 | // Report en la apertura (quitar)
|
||
493 | 1735 | igbrotru | System.out.println("Fichero MrSID '"+getName()+"' abierto."); |
494 | 1129 | igbrotru | System.out.println("Version = "+file.version); |
495 | System.out.println(" Size = ("+file.width+","+file.height+")"); |
||
496 | System.out.println(" NumBands = ("+file.nbands+")"); |
||
497 | |||
498 | file.pintaInfo(); |
||
499 | file.pintaPaleta(); |
||
500 | |||
501 | } |
||
502 | |||
503 | /* (non-Javadoc)
|
||
504 | * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)
|
||
505 | */
|
||
506 | public Image updateImage(int width, int height, ICoordTrans rp, Image img, int flags) { |
||
507 | // TODO Auto-generated method stub
|
||
508 | return null; |
||
509 | } |
||
510 | |||
511 | /* (non-Javadoc)
|
||
512 | * @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
||
513 | */
|
||
514 | public Object getData(int x, int y, int band) { |
||
515 | // TODO Auto-generated method stub
|
||
516 | return null; |
||
517 | } |
||
518 | 1735 | igbrotru | |
519 | /**
|
||
520 | * Devuelve los datos de una ventana solicitada
|
||
521 | * @param ulX coordenada X superior izda.
|
||
522 | * @param ulY coordenada Y superior derecha.
|
||
523 | * @param sizeX tama?o en X de la ventana.
|
||
524 | * @param sizeY tama?o en Y de la ventana.
|
||
525 | * @param band Banda solicitada.
|
||
526 | */
|
||
527 | public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
||
528 | try{
|
||
529 | return file.getWindow(ulX, ulY, sizeX, sizeY, band);
|
||
530 | }catch(MrSIDException e){
|
||
531 | e.printStackTrace(); |
||
532 | } |
||
533 | return null; |
||
534 | } |
||
535 | |||
536 | |||
537 | /**
|
||
538 | * Devuelve el tama?o de bloque
|
||
539 | * @return Tama?o de bloque
|
||
540 | */
|
||
541 | public int getBlockSize(){ |
||
542 | //TODO Nacho: Implementar getBlockSize de EcwFile
|
||
543 | return file.blocksize;
|
||
544 | } |
||
545 | 1129 | igbrotru | } |
546 |