svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / MrSidFile.java @ 2312
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.io; |
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import java.awt.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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* Soporte para los fichero MrSID de Lizardtech
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* @author Nacho Brodin (brodin_ign@gva.es)
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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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/**
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* Constructor
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* @param fName
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* @throws MrSIDException
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* @throws IOException
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*/
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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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* Inicializa las variables de instancia con los valores de la imagen
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* @param fName
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* @throws MrSIDException
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* @throws IOException
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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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* Asigna el valor de Alpha
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* @param a alpha
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*/
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public void setAlpha(int a) { |
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alpha = a; |
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} |
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/**
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* Asigna el tipo de datos
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* @param dt tipo de datos
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*/
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public void setDataType(int dt) { |
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dataType = dt; |
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} |
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/**
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* Obtiene un punto 2D con las coordenadas del raster a partir de uno en coordenadas
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* del punto real.
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* @param pt punto en coordenadas del punto real
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* @return punto en coordenadas del raster
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*/
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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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* Calcula el overview a usar de la imagen y el viewport a partir del ancho, alto y
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* coordenadas del mundo real
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* @param dWorldTLX Coordenada X superior izquierda
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* @param dWorldTLY Coordenada Y superior izquierda
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* @param dWorldBRX Coordenada X inferior derecha
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* @param dWorldBRY Coordenada Y inferior derecha
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* @param nWidth ancho
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* @param nHeight alto
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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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//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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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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if (dims[0]>this.getWidth()*viewportScale) { |
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currentOverview = i; |
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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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setDataType(eSampleType); |
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} catch (MrSIDException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Muestra alguna informaci?n para la depuraci?n
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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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void pintaPaleta() {
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} |
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/**
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* Lee la escena de la imagen correspondiente a la vista seleccionada con
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* currentView a trav?s de la libreria de MrSid. Esta escena es cargada sobre
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* un buffer y asignada al par?metro de salida.
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* @param line Escena leida
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* @throws MrSIDException Lanzada si ocurre un error en la lectura de la escena
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*/
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public void 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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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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((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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} |
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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 Coordenada X de la esquina superior izquierda
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* @param ulY Coordenada Y de la esquina superior izquierda
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* @param sizeX Tama?o X de la imagen
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* @param sizeY Tama?o Y de la image
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* @param band N?mero de bandas
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* @return buffer con la ventana leida
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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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/**
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* @author Nacho Brodin <brodin_ign@gva.es>
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*
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* Clase encargada del acceso a los datos y repintado de imagenes MrSID. Estos
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* son registrados con la extensi?n sid
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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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/**
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* Contructor. Abre el fichero mrsid
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* @param proj Proyecci?n
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* @param fName Nombre del fichero mrsid
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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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/**
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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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|
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/**
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* Libera el objeto que ha abierto el fichero
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*/
|
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public void close() { |
| 458 |
file=null;
|
| 459 |
} |
| 460 |
|
| 461 |
/**
|
| 462 |
* Asigna una banda R, G o B
|
| 463 |
*/
|
| 464 |
public void setBand(int flag, int bandNr) { |
| 465 |
super.setBand(flag, bandNr);
|
| 466 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
| 467 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
| 468 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
| 469 |
} |
| 470 |
|
| 471 |
/**
|
| 472 |
* Asigna el extent de la vista
|
| 473 |
*/
|
| 474 |
public void setView(Extent e) { |
| 475 |
v = new Extent(e);
|
| 476 |
} |
| 477 |
|
| 478 |
/**
|
| 479 |
* Obtiene el Extent de la vista
|
| 480 |
*/
|
| 481 |
public Extent getView() {
|
| 482 |
return v;
|
| 483 |
} |
| 484 |
|
| 485 |
/**
|
| 486 |
* Obtiene el ancho de la imagen
|
| 487 |
*/
|
| 488 |
public int getWidth() { |
| 489 |
return file.width;
|
| 490 |
} |
| 491 |
|
| 492 |
/**
|
| 493 |
* Obtiene el alto de la imagen
|
| 494 |
*/
|
| 495 |
public int getHeight() { |
| 496 |
return file.height;
|
| 497 |
} |
| 498 |
|
| 499 |
|
| 500 |
public void reProject(ICoordTrans rp) { |
| 501 |
// TODO Auto-generated method stub
|
| 502 |
} |
| 503 |
|
| 504 |
/**
|
| 505 |
* Actualiza la imagen. Se encarga de llamar a la funci?n que calcula la vista
|
| 506 |
* y luego a la que lee la escena sobre un buffer. Vuelca la informaci?n obtenida
|
| 507 |
* sobre el Image que la visualiza.
|
| 508 |
*/
|
| 509 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
| 510 |
double dFileAspect, dWindowAspect;
|
| 511 |
int line, pRGBArray[] = null; |
| 512 |
Image image = null; |
| 513 |
|
| 514 |
// Work out the correct aspect for the setView call.
|
| 515 |
dFileAspect = (double)v.width()/(double)v.height(); |
| 516 |
dWindowAspect = (double)width /(double)height; |
| 517 |
|
| 518 |
if (dFileAspect > dWindowAspect) {
|
| 519 |
height =(int)((double)width/dFileAspect); |
| 520 |
} else {
|
| 521 |
width = (int)((double)height*dFileAspect); |
| 522 |
} |
| 523 |
|
| 524 |
// Set the view
|
| 525 |
|
| 526 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(),width, height); |
| 527 |
|
| 528 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 529 |
|
| 530 |
if(width<=0)width=1; |
| 531 |
if(height<=0)height=1; |
| 532 |
|
| 533 |
|
| 534 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 535 |
pRGBArray = new int[width*height]; |
| 536 |
|
| 537 |
try {
|
| 538 |
file.setAlpha(getAlpha()); |
| 539 |
setBand(RED_BAND, rBandNr); |
| 540 |
setBand(GREEN_BAND, gBandNr); |
| 541 |
setBand(BLUE_BAND, bBandNr); |
| 542 |
|
| 543 |
file.readScene(pRGBArray); |
| 544 |
((BufferedImage)image).setRGB(0, 0, width, height, pRGBArray, 0, width); |
| 545 |
|
| 546 |
|
| 547 |
} catch (Exception e) { |
| 548 |
e.printStackTrace(); |
| 549 |
} |
| 550 |
|
| 551 |
return image;
|
| 552 |
} |
| 553 |
|
| 554 |
/**
|
| 555 |
* Muestra informaci?n del fichero abierto.
|
| 556 |
*
|
| 557 |
*/
|
| 558 |
private void showOnOpen() { |
| 559 |
// Report en la apertura (quitar)
|
| 560 |
System.out.println("Fichero MrSID '"+getName()+"' abierto."); |
| 561 |
System.out.println("Version = "+file.version); |
| 562 |
System.out.println(" Size = ("+file.width+","+file.height+")"); |
| 563 |
System.out.println(" NumBands = ("+file.nbands+")"); |
| 564 |
|
| 565 |
file.pintaInfo(); |
| 566 |
file.pintaPaleta(); |
| 567 |
|
| 568 |
} |
| 569 |
|
| 570 |
/**
|
| 571 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
| 572 |
* vector de enteros.
|
| 573 |
* @param image imagen con los datos actuales
|
| 574 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 575 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 576 |
* @param w Ancho de la imagen
|
| 577 |
* @param h Alto de la imagen
|
| 578 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 579 |
* @param offset desplazamiento
|
| 580 |
* @param scansize tama?o de imagen recorrida por cada p
|
| 581 |
*/
|
| 582 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 583 |
int offset, int scansize) { |
| 584 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
| 585 |
} |
| 586 |
|
| 587 |
/**
|
| 588 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 589 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 590 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 591 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 592 |
* @param image imagen con los datos actuales
|
| 593 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 594 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 595 |
* @param w Ancho de la imagen
|
| 596 |
* @param h Alto de la imagen
|
| 597 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 598 |
* @param offset desplazamiento
|
| 599 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 600 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 601 |
*/
|
| 602 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 603 |
int offset, int scansize, int flags) { |
| 604 |
int [] line = new int[rgbArray.length]; |
| 605 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 606 |
if (flags == GeoRasterFile.RED_BAND)
|
| 607 |
for (int i=0; i<line.length; i++) |
| 608 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 609 |
else if (flags == GeoRasterFile.GREEN_BAND) |
| 610 |
for (int i=0; i<line.length; i++) |
| 611 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 612 |
else if (flags == GeoRasterFile.BLUE_BAND) |
| 613 |
for (int i=0; i<line.length; i++) |
| 614 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 615 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 616 |
} |
| 617 |
|
| 618 |
|
| 619 |
/**
|
| 620 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 621 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 622 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 623 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 624 |
* @param image imagen con los datos actuales
|
| 625 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 626 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 627 |
* @param w Ancho de la imagen
|
| 628 |
* @param h Alto de la imagen
|
| 629 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 630 |
* @param offset desplazamiento
|
| 631 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 632 |
* @param origBand Banda origen del GeoRasterFile
|
| 633 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 634 |
*/
|
| 635 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 636 |
int offset, int scansize, int origBand, int destBandFlag) { |
| 637 |
int [] line = new int[rgbArray.length]; |
| 638 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 639 |
if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
| 640 |
for (int i=0; i<line.length; i++) |
| 641 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 642 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 643 |
for (int i=0; i<line.length; i++) |
| 644 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 645 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 646 |
for (int i=0; i<line.length; i++) |
| 647 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 648 |
|
| 649 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 650 |
for (int i=0; i<line.length; i++) |
| 651 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
| 652 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 653 |
for (int i=0; i<line.length; i++) |
| 654 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
| 655 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
| 656 |
for (int i=0; i<line.length; i++) |
| 657 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
| 658 |
|
| 659 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 660 |
for (int i=0; i<line.length; i++) |
| 661 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
| 662 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
| 663 |
for (int i=0; i<line.length; i++) |
| 664 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
| 665 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 666 |
for (int i=0; i<line.length; i++) |
| 667 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
| 668 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 669 |
} |
| 670 |
|
| 671 |
/* (non-Javadoc)
|
| 672 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)
|
| 673 |
*/
|
| 674 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag) { |
| 675 |
double dFileAspect, dWindowAspect;
|
| 676 |
int line, pRGBArray[] = null; |
| 677 |
Image mrSidImage = null; |
| 678 |
|
| 679 |
// Work out the correct aspect for the setView call.
|
| 680 |
dFileAspect = (double)v.width()/(double)v.height(); |
| 681 |
dWindowAspect = (double)width /(double)height; |
| 682 |
|
| 683 |
if (dFileAspect > dWindowAspect) {
|
| 684 |
height =(int)((double)width/dFileAspect); |
| 685 |
} else {
|
| 686 |
width = (int)((double)height*dFileAspect); |
| 687 |
} |
| 688 |
|
| 689 |
// Set the view
|
| 690 |
|
| 691 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(),width, height); |
| 692 |
|
| 693 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
| 694 |
|
| 695 |
if(width<=0)width=1; |
| 696 |
if(height<=0)height=1; |
| 697 |
|
| 698 |
file.setAlpha(getAlpha()); |
| 699 |
setBand(RED_BAND, rBandNr); |
| 700 |
setBand(GREEN_BAND, gBandNr); |
| 701 |
setBand(BLUE_BAND, bBandNr); |
| 702 |
|
| 703 |
pRGBArray = new int[width*height]; |
| 704 |
|
| 705 |
if(img==null){ //Caso en el que se crea una imagen |
| 706 |
mrSidImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 707 |
try {
|
| 708 |
file.readScene(pRGBArray); |
| 709 |
//((BufferedImage)mrSidImage).setRGB(0, 0, width, height, pRGBArray, 0, width);
|
| 710 |
setRGBLine((BufferedImage) mrSidImage, 0, 0, width, height, pRGBArray, 0, width); |
| 711 |
} catch (Exception e) { |
| 712 |
e.printStackTrace(); |
| 713 |
} |
| 714 |
return mrSidImage;
|
| 715 |
}else{ //Caso en el que se actualiza una banda del Image |
| 716 |
try {
|
| 717 |
file.readScene(pRGBArray); |
| 718 |
//((BufferedImage)img).setRGB(0, 0, width, height, pRGBArray, 0, width);
|
| 719 |
setRGBLine((BufferedImage) img, 0, 0, width, height, pRGBArray, 0, width, origBand, destBandFlag); |
| 720 |
} catch (Exception e) { |
| 721 |
e.printStackTrace(); |
| 722 |
} |
| 723 |
return img;
|
| 724 |
} |
| 725 |
} |
| 726 |
|
| 727 |
/* (non-Javadoc)
|
| 728 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 729 |
*/
|
| 730 |
public Object getData(int x, int y, int band) { |
| 731 |
// TODO Auto-generated method stub
|
| 732 |
return null; |
| 733 |
} |
| 734 |
|
| 735 |
/**
|
| 736 |
* Devuelve los datos de una ventana solicitada
|
| 737 |
* @param ulX coordenada X superior izda.
|
| 738 |
* @param ulY coordenada Y superior derecha.
|
| 739 |
* @param sizeX tama?o en X de la ventana.
|
| 740 |
* @param sizeY tama?o en Y de la ventana.
|
| 741 |
* @param band Banda solicitada.
|
| 742 |
*/
|
| 743 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
| 744 |
try{
|
| 745 |
return file.getWindow(ulX, ulY, sizeX, sizeY, band);
|
| 746 |
}catch(MrSIDException e){
|
| 747 |
e.printStackTrace(); |
| 748 |
} |
| 749 |
return null; |
| 750 |
} |
| 751 |
|
| 752 |
|
| 753 |
/**
|
| 754 |
* Devuelve el tama?o de bloque
|
| 755 |
* @return Tama?o de bloque
|
| 756 |
*/
|
| 757 |
public int getBlockSize(){ |
| 758 |
return file.blocksize;
|
| 759 |
} |
| 760 |
} |
| 761 |
|
| 762 |
|