svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / MrSidFile.java @ 1735
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/*
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* Created on 25-sep-2004 (20-oct-2004)
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*/
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package org.cresques.io; |
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import java.awt.Image; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import java.io.IOException; |
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import java.util.Vector; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.io.GeoFile; |
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import org.cresques.io.GeoRasterFile; |
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import org.cresques.px.Extent; |
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import es.gva.cit.jmrsid.*; |
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/**
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*
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* @author nacho
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*
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* TODO To change the template for this generated type comment go to
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* Window - Preferences - Java - Code Style - Code Templates
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*/
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class MrSidNative extends MrSIDImageReader { |
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static boolean WITH_OVERVIEWS = true; |
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// Polilinea con extent
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class Contour extends Vector { |
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public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE; |
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public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE; |
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public Contour() {
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super();
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} |
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public void add(Point2D pt) { |
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super.add(pt);
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if (pt.getX() > maxX) maxX = pt.getX();
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if (pt.getX() < minX) minX = pt.getX();
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if (pt.getY() > maxY) maxY = pt.getY();
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if (pt.getY() < minY) minY = pt.getY();
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} |
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} |
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/**
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* Contorno en coordenadas geogr?ficas. (y Extent del raster).
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*/
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public Contour esq = new Contour(); |
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public int width = 0, height = 0; |
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public double originX = 0D, originY = 0D; |
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public String version = ""; |
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public LTIMetadataDatabase metadata;
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public LTIPixel pixel=null; |
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private int alpha = 0; |
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protected int rBandNr = 1, gBandNr = 2, bBandNr = 3; |
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protected byte [] bandR, bandG, bandB; |
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private int dataType = LTIDataType.LTI_DATATYPE_UINT8; |
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//View
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double currentViewY = -1; |
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int currentFullWidth = -1; |
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int currentFullHeight = -1; |
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int currentViewWidth = -1; |
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int currentViewHeight = -1; |
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double currentViewX = 0D; |
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double viewportScale = 0D; |
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double step = 0D; |
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int currentOverview = -1; |
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private double zoomoverview=0.0; |
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int eColorSpace;
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int eSampleType;
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public int nbands; |
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int noverviews;
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public int xini,yini,anchoOver, altoOver; |
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public int blocksize = 1; |
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public MrSidNative(String fName) throws MrSIDException, IOException { |
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super(fName);
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init(fName); |
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} |
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/********************************************************************/
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private void init(String fName) throws MrSIDException, IOException { |
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this.initialize();
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String ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1); |
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width = this.getWidth();
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height = this.getHeight();
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eSampleType = this.getDataType();
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nbands = this.getNumBands();
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eColorSpace = this.getColorSpace();
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noverviews = this.getNumLevels();
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metadata = this.getMetadata();
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double ox=0D, oy=0D, resx=0D, resy=0D; |
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LTIGeoCoord geoc = this.getGeoCoord();
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ox = geoc.getX(); |
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oy = geoc.getY(); |
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resx = geoc.getXRes(); |
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resy = geoc.getYRes(); |
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System.out.println("Origin = ("+ox+","+oy+")"); |
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System.out.println("Pixel Size = ("+resx+","+resy+")"); |
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esq.add(new Point2D.Double(ox, oy)); |
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esq.add(new Point2D.Double(ox+resx*width, oy)); |
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esq.add(new Point2D.Double(ox, oy+resy*height)); |
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esq.add(new Point2D.Double(ox+resx*width, oy+resy*height)); |
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blocksize = this.getStripHeight();
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System.out.println("StripHeight = ("+blocksize+")"); |
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} |
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/********************************************************************/
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public void setAlpha(int a) { alpha = a; } |
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/********************************************************************/
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public void setDataType(int dt) { dataType = dt; } |
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/********************************************************************/
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// Supone rasters no girados
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public Point2D worldToRaster(Point2D pt) { |
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double x = (((double) currentFullWidth)/(esq.maxX-esq.minX))*(pt.getX()-esq.minX); |
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double y = (((double) currentFullHeight)/(esq.maxY-esq.minY))*(esq.maxY-pt.getY()); |
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Point2D ptRes = new Point2D.Double(x, y); |
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return ptRes;
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} |
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/********************************************************************/
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public void setView(double dWorldTLX, double dWorldTLY, |
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double dWorldBRX, double dWorldBRY, |
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int nWidth, int nHeight) { |
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//Ancho y alto de la im?gen en pixeles (pixeles de la overview)
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currentFullWidth = width; |
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currentFullHeight = height; |
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//Ventana de la imagen. (en tama?o completo)
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//tl->esq sup izda en pixeles
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//br->esq inf der en pixeles
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Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
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//System.out.println("2========>"+tl.getX()+","+tl.getY()+","+br.getX()+","+br.getY()+","+width+","+height);
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//Ancho y alto de la im?gen (pixeles en pantalla)
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currentViewWidth = nWidth; |
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currentViewHeight = nHeight; |
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currentViewX = tl.getX(); |
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currentViewY = tl.getY(); |
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viewportScale = (double) currentViewWidth/(br.getX()-tl.getX());
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//System.out.println("2.4========>"+currentViewWidth+","+br.getX()+" "+tl.getX()+" "+viewportScale);
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currentViewY = tl.getY(); |
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try {
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// calcula el overview a usar
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int[] dims=null; |
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double zoom=1.0; |
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zoomoverview=1.0;
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currentOverview = -1;
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if (WITH_OVERVIEWS && noverviews-1 > 0) { |
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for (int i=(noverviews-1); i>0; i--) { |
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zoom = LTIUtils.levelToMag(i); |
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dims=this.getDimsAtMag(zoom);
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//System.out.println("2.5========>"+viewportScale+", dims="+dims[0]+","+dims[1]+
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//" zoom="+zoom+" this.getWidth()"+this.getWidth()+"\nviewportScale"+viewportScale);
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if (dims[0]>this.getWidth()*viewportScale) { |
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currentOverview = i; |
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//System.out.println("2.6========>OVERVIEW SELECC="+i+" zoom="+zoom+" dims="+dims[0]+","+dims[1]);
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zoomoverview=zoom; |
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viewportScale /= zoomoverview; |
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currentFullWidth = dims[0];
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currentFullHeight = dims[1];
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tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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currentViewX = tl.getX(); |
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currentViewY = tl.getY(); |
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break;
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} |
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} |
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} |
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// Selecciona las bandas y los overviews necesarios
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setDataType(eSampleType); |
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} catch (MrSIDException e) {
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e.printStackTrace(); |
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} |
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System.out.println("MrSIDFile: TL=("+dWorldTLX+","+dWorldTLY+ |
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"); BR=("+dWorldBRX+","+dWorldBRY+")\n"+ |
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"MrSIDFile: escala="+viewportScale+"\n"+ |
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"Actual Raster Size="+currentFullWidth+"x"+currentFullHeight); |
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} |
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/********************************************************************/
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void pintaInfo() {
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try {
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System.out.println("GeoTransform:"); |
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LTIGeoCoord geoc = this.getGeoCoord();
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System.out.println(" param[0]="+geoc.getX()); |
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System.out.println(" param[0]="+geoc.getY()); |
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System.out.println(" param[0]="+geoc.getXRes()); |
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System.out.println(" param[0]="+geoc.getYRes()); |
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System.out.println(" param[0]="+geoc.getXRot()); |
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System.out.println(" param[0]="+geoc.getYRot()); |
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System.out.println("Metadata:"); |
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LTIMetadataDatabase metadata = this.getMetadata();
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for (int i=0; i<metadata.getIndexCount(); i++) |
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{
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LTIMetadataRecord rec = null;
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rec = metadata.getDataByIndex(i); |
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System.out.println(rec.getTagName());
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if(rec.isScalar())System.out.println(rec.getScalarData()); |
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else if(rec.isVector()){ |
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String[] s = rec.getVectorData(); |
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for(int j=0;j<s.length;j++)System.out.println("V"+j+"->"+s[j]); |
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}else if(rec.isArray()){ |
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String[] s = rec.getArrayData(); |
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for(int j=0;j<s.length;j++)System.out.println("A"+j+"->"+s[j]); |
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} |
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else System.out.println(""); |
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} |
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} catch (MrSIDException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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/********************************************************************/
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void pintaPaleta() {
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} |
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/********************************************************************/
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public int readScene(int [] line) throws MrSIDException { |
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//int a = 0;
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int x = (int)currentViewX; |
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int y = (int)currentViewY; |
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int SceneWidth;
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int SceneHeight;
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try{
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if(x==0 && y==0){ |
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SceneWidth = currentFullWidth; |
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SceneHeight = currentFullHeight; |
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}else{
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SceneWidth = (int) (((double)currentViewWidth)/viewportScale); |
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SceneHeight = (int) (((double)currentViewHeight)/viewportScale); |
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} |
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if(SceneWidth==0)SceneWidth=1; |
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if(SceneHeight==0)SceneHeight=1; |
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//System.out.println("2.9========>ColorSpace="+eColorSpace+" nbands="+nbands+" eSampleType="+eSampleType);
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if(pixel==null)pixel = new LTIPixel(eColorSpace, nbands, eSampleType); |
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LTIScene scene = new LTIScene(x, y, SceneWidth, SceneHeight, zoomoverview);
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// Este deber?a ser el constructor con ventana
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LTISceneBuffer buffer = new LTISceneBuffer(pixel, SceneWidth, SceneHeight, true); |
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/*System.out.println("3========>currentViewX/Y=("+currentViewX+","+currentViewY+
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")\n\t currentView Size=("+currentViewWidth+","+currentViewHeight+
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")\n\t currentScene Size=("+SceneWidth+","+SceneHeight+
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")\n\t (x,y)=("+x+","+y+") CurrentFull=("+currentFullWidth+","+currentFullHeight+
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")\n\t AnchoAlto=("+this.getWidth()+","+this.getHeight()+
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")\n\t Buff-length="+buffer.buf1.length+" zoom="+zoomoverview +
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")\n\t viewportscale="+viewportScale);*/
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((LTIImageStage)this).read(scene, buffer);
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if (dataType == LTIDataType.LTI_DATATYPE_UINT8 ||
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dataType == LTIDataType.LTI_DATATYPE_SINT8 || |
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dataType == LTIDataType.LTI_DATATYPE_SINT16 || |
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dataType == LTIDataType.LTI_DATATYPE_SINT32 || |
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dataType == LTIDataType.LTI_DATATYPE_UINT16 || |
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dataType == LTIDataType.LTI_DATATYPE_UINT32){
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int kd, k;
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double scale = 1/viewportScale; |
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int alpha = (this.alpha & 0xff) << 24; |
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if (rBandNr == 1) bandR = buffer.buf1; |
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else if (rBandNr == 2) bandR = buffer.buf2; |
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else if (rBandNr == 3) bandR = buffer.buf3; |
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if (gBandNr == 1) bandG = buffer.buf1; |
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else if (gBandNr == 2) bandG = buffer.buf2; |
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else if (gBandNr == 3) bandG = buffer.buf3; |
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if (bBandNr == 1) bandB = buffer.buf1; |
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else if (bBandNr == 2) bandB = buffer.buf2; |
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else if (bBandNr == 3) bandB = buffer.buf3; |
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if (eColorSpace==LTIColorSpace.LTI_COLORSPACE_RGB)
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//for(int k=0;k<buffer.size;k++)
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for (int y1=0; y1<currentViewHeight; y1++) |
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for (int x1=0; x1<currentViewWidth; x1++) { |
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kd = y1*currentViewWidth+x1; |
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k = ((int) (y1*scale))*SceneWidth+ (int)(((double) x1)*scale); |
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try {
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line[kd] = alpha + ((0xff & bandR[k])<<16) + (( 0xff & bandG[k])<<8) + (0xff & bandB[k]); |
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} catch (java.lang.ArrayIndexOutOfBoundsException e) {
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} |
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} |
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if(eColorSpace==LTIColorSpace.LTI_COLORSPACE_GRAYSCALE)
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for (int y1=0; y1<currentViewHeight; y1++) |
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for (int x1=0; x1<currentViewWidth; x1++) { |
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kd = y1*currentViewWidth+x1; |
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k = ((int) (y1*scale))*SceneWidth+ (int)(((double) x1)*scale); |
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try {
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line[kd] = alpha + bandR[k]; |
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} catch (java.lang.ArrayIndexOutOfBoundsException e) {
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} |
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} |
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} else if (dataType == LTIDataType.LTI_DATATYPE_FLOAT32 || |
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dataType == LTIDataType.LTI_DATATYPE_FLOAT32) {
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} |
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buffer=null;
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}catch(MrSIDException e){
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e.printStackTrace(); |
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} |
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return 0; |
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} |
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/**
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* Lee una ventana de la imagen y devuelve un buffer de bytes
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* @param ulX
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* @param ulY
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* @param sizeX
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* @param sizeY
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* @param band
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* @return
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* @throws MrSIDException
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*/
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public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band)throws MrSIDException{ |
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if(pixel==null)pixel = new LTIPixel(eColorSpace, nbands, eSampleType); |
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LTIScene scene=new LTIScene(ulX, ulY, sizeX, sizeY, 1.0); |
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LTISceneBuffer buffer=new LTISceneBuffer(pixel, sizeX, sizeY, true); |
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((LTIImageStage)this).read(scene,buffer);
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if(band==1)return buffer.buf1; |
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else if(band==2)return buffer.buf2; |
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else if(band==3)return buffer.buf3; |
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return null; |
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} |
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} |
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public class MrSidFile extends GeoRasterFile { |
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public final static int BAND_HEIGHT = 64; |
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protected MrSidNative file = null; |
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private Extent v = null; |
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static {
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GeoRasterFile.registerExtension("sid", MrSidFile.class);
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} |
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public MrSidFile(IProjection proj, String fName) { |
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super(proj, fName);
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extent = new Extent();
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try {
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file = new MrSidNative(fName);
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showOnOpen(); |
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load(); |
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bandCount = file.nbands; |
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if ( bandCount > 2) { |
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setBand(RED_BAND, 0);
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setBand(GREEN_BAND, 1);
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setBand(BLUE_BAND, 2);
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} else
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setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
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} catch(Exception e){ |
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System.out.println("Error en constructor de MrSID"); |
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e.printStackTrace(); |
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file = null;
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} |
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} |
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public GeoFile load() {
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extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
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return this; |
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} |
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public void close() { |
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file=null;
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} |
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public void setBand(int flag, int bandNr) { |
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super.setBand(flag, bandNr);
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if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
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if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
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if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
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} |
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public void setView(Extent e) { v = new Extent(e); } |
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public Extent getView() { return v; } |
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public int getWidth() { return file.width; } |
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public int getHeight() { return file.height;} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
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*/
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public void reProject(ICoordTrans rp) { |
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// TODO Auto-generated method stub
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
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*/
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public Image updateImage(int width, int height, ICoordTrans rp) { |
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double dFileAspect, dWindowAspect;
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int line, pRGBArray[] = null; |
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Image image = null; |
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|
| 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); |
| 461 |
//System.out.println("1========>"+v.minX()+","+ v.maxY()+","+v.maxX()+","+v.minY()+","+width+","+height);
|
| 462 |
|
| 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 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 470 |
pRGBArray = new int[width*height]; |
| 471 |
|
| 472 |
try {
|
| 473 |
//System.out.println("1.5========>"+width+","+height);
|
| 474 |
file.setAlpha(getAlpha()); |
| 475 |
setBand(RED_BAND, rBandNr); |
| 476 |
setBand(GREEN_BAND, gBandNr); |
| 477 |
setBand(BLUE_BAND, bBandNr); |
| 478 |
|
| 479 |
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 |
System.out.println("Fichero MrSID '"+getName()+"' abierto."); |
| 494 |
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 |
|
| 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 |
} |
| 546 |
|
| 547 |
|