svn-gvsig-desktop / tags / v1_1_Build_1009 / libraries / libCq_CMS_praster / src / org / cresques / io / MrSidFile.java @ 12649
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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.MrSidNative.Contour; |
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import org.cresques.io.data.BandList; |
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import org.cresques.io.data.RasterBuf; |
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import org.cresques.io.exceptions.SupersamplingNotSupportedException; |
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import org.cresques.px.Extent; |
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import es.gva.cit.jgdal.GdalBuffer; |
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import es.gva.cit.jgdal.GdalException; |
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import es.gva.cit.jgdal.GdalRasterBand; |
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import es.gva.cit.jmrsid.LTIColorSpace; |
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import es.gva.cit.jmrsid.LTIDataType; |
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import es.gva.cit.jmrsid.LTIGeoCoord; |
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import es.gva.cit.jmrsid.LTIImageStage; |
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import es.gva.cit.jmrsid.LTIMetadataDatabase; |
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import es.gva.cit.jmrsid.LTIMetadataRecord; |
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import es.gva.cit.jmrsid.LTIPixel; |
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import es.gva.cit.jmrsid.LTIScene; |
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import es.gva.cit.jmrsid.LTISceneBuffer; |
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import es.gva.cit.jmrsid.LTIUtils; |
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import es.gva.cit.jmrsid.MrSIDException; |
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import es.gva.cit.jmrsid.MrSIDImageReader; |
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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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/**
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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; |
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public int height = 0; |
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public double originX = 0D; |
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public double 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; |
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protected int gBandNr = 2; |
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protected int bBandNr = 3; |
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protected byte[] bandR; |
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protected byte[] bandG; |
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protected byte[] bandB; |
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private int dataType = LTIDataType.LTI_DATATYPE_UINT8; |
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//View
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private double zoomoverview = 0.0; |
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private int eColorSpace; |
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private int eSampleType; |
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private int noverviews; |
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public int xini; |
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public int yini; |
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/**
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* Ancho y alto de la overview
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*/
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public int anchoOver; |
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public int altoOver; |
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public int blocksize = 1; |
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/**
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* N?mero de bandas de la imagen
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*/
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public int nbands; |
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/**
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* N?mero de overview actualmente seleccionada
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*/
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private int currentOverview = -1; |
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/**
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* Posici?n de la esquina superior izquierda en coordenadas pixel
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*/
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private double currentViewY = -1; |
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private double currentViewX = 0D; |
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/**
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* Ancho y alto de la im?gen (pixeles en pantalla)
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*/
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private int currentViewWidth = -1; |
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private int currentViewHeight = -1; |
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/**
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* Ancho y alto de la imagen completa en pixeles
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*/
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private int currentFullWidth = -1; |
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private int currentFullHeight = -1; |
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/**
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* Escala del viewport en X e Y
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*/
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private double viewportScaleX = 0D; |
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private double viewportScaleY = 0D; |
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/**
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* ?ltimo extent de la ventana seleccionada por el usuario. Este extent corresponde al de la
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* imagen, no al del viewport de la vista.
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*/
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private double[] currentImageView = new double[4]; |
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/**
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*
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*/
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public int[] stepArrayX = null, stepArrayY = null; |
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/**
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*
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*/
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public boolean isSupersampling = false; |
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/**
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* Nombre del fichero MrSID
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*/
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private String fileName = null; |
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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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fileName = fName; |
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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; |
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double oy = 0D; |
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double resx = 0D; |
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double 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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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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} |
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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, double dWorldBRX, |
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double dWorldBRY, int nWidth, int nHeight) { |
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currentImageView[0] = dWorldTLX;
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currentImageView[1] = dWorldTLY;
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currentImageView[2] = dWorldBRX;
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currentImageView[3] = dWorldBRY;
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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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//Posici?n de la esquina superior izquierda en coordenadas pixel
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currentViewX = tl.getX(); |
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currentViewY = tl.getY(); |
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//Escala de la vista en X e Y
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viewportScaleX = (double) currentViewWidth / (br.getX() - tl.getX());
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viewportScaleY = (double) currentViewHeight / (br.getY() - 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() * viewportScaleX)) { |
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currentOverview = i; |
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zoomoverview = zoom; |
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viewportScaleX /= zoomoverview; |
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viewportScaleY /= 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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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()) {
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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++) |
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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++) |
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System.out.println("A" + j + "->" + s[j]); |
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} else {
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System.out.println(""); |
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} |
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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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public LTISceneBuffer readBuffer(int x, int y, int SceneWidth, int SceneHeight)throws MrSIDException{ |
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LTISceneBuffer buffer = null;
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LTIScene scene = new LTIScene(x, y, SceneWidth, SceneHeight, zoomoverview);
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buffer = new LTISceneBuffer(pixel, SceneWidth, SceneHeight, true); |
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((LTIImageStage) this).read(scene, buffer);
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return buffer;
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} |
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/**
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* Esta funci?n calcula los arrays de steps en X e Y para que cuando hay supersampleo
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* se aplique el filtro solo a la esquina superior izquierda de cada pixel.
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*/
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private void calcArraySteps(int w, int h, double stepX, double stepY, double offsetX, double offsetY){ |
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if(stepX < 1 && stepY < 1){ |
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isSupersampling = true;
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this.stepArrayX = new int[w]; |
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for (double j = offsetX; j < w; j += stepX) |
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stepArrayX[(int)(j)] ++;
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this.stepArrayY = new int[h]; |
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for (double j = offsetY; j < h; j += stepY) |
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stepArrayY[(int)(j)] ++;
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}else{
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isSupersampling = false;
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this.stepArrayX = this.stepArrayY = null; |
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} |
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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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//Posici?n de inicio de la escena en entero para la petici?n a la libreria
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int x = (int) Math.floor(currentViewX); |
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int y = (int) Math.floor(currentViewY); |
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//Ancho y alto de la escena en pixeles
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int SceneWidth = 0; |
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int SceneHeight = 0; |
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try {
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SceneWidth = (int) Math.ceil((((double) currentViewWidth) / viewportScaleX) + 1); |
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if (SceneWidth > currentFullWidth)
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SceneWidth = currentFullWidth; |
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SceneHeight = (int) Math.ceil((((double) currentViewHeight) / viewportScaleY) + 1); |
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if (SceneHeight > currentFullHeight)
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SceneHeight = currentFullHeight; |
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|
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if (SceneWidth == 0) |
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SceneWidth = 1;
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|
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if (SceneHeight == 0) |
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SceneHeight = 1;
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|
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if (pixel == null) |
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pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
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|
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LTISceneBuffer buffer = null;
|
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|
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boolean sizeOk = false; |
409 |
while (!sizeOk){
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sizeOk = true;
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try {
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buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
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} catch (MrSIDException ex) {
|
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SceneWidth-- ; |
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try{
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buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
417 |
} catch (MrSIDException ex1) {
|
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SceneWidth++; |
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SceneHeight--; |
420 |
try{
|
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buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
422 |
} catch (MrSIDException ex2) {
|
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SceneWidth-- ; |
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try{
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buffer = readBuffer(x, y, SceneWidth, SceneHeight); |
426 |
} catch (MrSIDException ex3) {
|
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sizeOk = false;
|
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} |
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} |
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} |
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} |
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} |
433 |
|
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|
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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)) { |
441 |
int kd;
|
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int k;
|
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double scaleX = 1 / viewportScaleX; |
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double scaleY = 1 / viewportScaleY; |
445 |
|
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int alpha = (this.alpha & 0xff) << 24; |
447 |
|
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if (rBandNr == 1) { |
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bandR = buffer.buf1; |
450 |
} else if (rBandNr == 2) { |
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bandR = buffer.buf2; |
452 |
} else if (rBandNr == 3) { |
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bandR = buffer.buf3; |
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} |
455 |
|
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if (gBandNr == 1) { |
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bandG = buffer.buf1; |
458 |
} else if (gBandNr == 2) { |
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bandG = buffer.buf2; |
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} else if (gBandNr == 3) { |
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bandG = buffer.buf3; |
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} |
463 |
|
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if (bBandNr == 1) { |
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bandB = buffer.buf1; |
466 |
} else if (bBandNr == 2) { |
467 |
bandB = buffer.buf2; |
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} else if (bBandNr == 3) { |
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bandB = buffer.buf3; |
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} |
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|
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//Desplazamiento para la X y la Y leidas. Estas tienen efecto cuando un pixel no empieza a visualizarse
|
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//justo en su esquina superior izquierda y tiene que ser cortado en la visualizaci?n.
|
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double offsetX = Math.abs(currentViewX - ((int)currentViewX)); |
475 |
double offsetY = Math.abs(currentViewY - ((int)currentViewY)); |
476 |
|
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calcArraySteps(SceneWidth, SceneHeight, scaleX, scaleY, offsetX, offsetY); |
478 |
|
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for (int y1 = 0; y1 < currentViewHeight; y1++){ |
480 |
for (int x1 = 0; x1 < currentViewWidth; x1++){ |
481 |
kd = (y1 * currentViewWidth) + x1; |
482 |
k = (((int) ((y1 * scaleY) + offsetY)) * SceneWidth) + (int) ((x1 * scaleX) + offsetX); |
483 |
try {
|
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line[kd] = alpha + ((0xff & bandR[k]) << 16) + ((0xff & bandG[k]) << 8) + (0xff & bandB[k]); |
485 |
} catch (java.lang.ArrayIndexOutOfBoundsException e) {
|
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} |
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} |
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} |
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} |
490 |
|
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buffer = null;
|
492 |
} catch (MrSIDException e) {
|
493 |
e.printStackTrace(); |
494 |
} |
495 |
} |
496 |
|
497 |
/**
|
498 |
* Lee una ventana de datos sin resampleo a partir de coordenadas en pixeles.
|
499 |
* @param buf Buffer donde se almacenan los datos
|
500 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
501 |
* @param x Posici?n X en pixeles
|
502 |
* @param y Posici?n Y en pixeles
|
503 |
* @param w Ancho en pixeles
|
504 |
* @param h Alto en pixeles
|
505 |
* @throws GdalException
|
506 |
*/
|
507 |
public void readWindow(RasterBuf buf, BandList bandList, int x, int y, int w, int h) throws MrSIDException { |
508 |
isSupersampling = false;
|
509 |
if (pixel == null) { |
510 |
pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
|
511 |
} |
512 |
|
513 |
LTIScene scene = new LTIScene(x, y, w, h, 1.0); |
514 |
LTISceneBuffer buffer = new LTISceneBuffer(pixel, w, h, true); |
515 |
((LTIImageStage) this).read(scene, buffer);
|
516 |
|
517 |
int yMax = y + h;
|
518 |
byte[] bandBuf = null; |
519 |
for(int iBand = 0; iBand < getNumBands(); iBand++){ |
520 |
int[] drawableBands = bandList.getBufferBandToDraw(fileName, iBand); |
521 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
522 |
continue;
|
523 |
switch(iBand) {
|
524 |
case 0: bandBuf = buffer.buf1; break; |
525 |
case 1: bandBuf = buffer.buf2; break; |
526 |
case 2: bandBuf = buffer.buf3; break; |
527 |
} |
528 |
for (int line = 0; line < h; line++){ |
529 |
for (int col = 0; col < w; col++){ |
530 |
int kd = (line * w) + col;
|
531 |
buf.setElemByte(line, col, iBand, bandBuf[kd]); |
532 |
} |
533 |
} |
534 |
} |
535 |
} |
536 |
|
537 |
/**
|
538 |
* Lee una ventana de la imagen y devuelve un buffer de bytes
|
539 |
* @param ulX Coordenada X de la esquina superior izquierda
|
540 |
* @param ulY Coordenada Y de la esquina superior izquierda
|
541 |
* @param sizeX Tama?o X de la imagen
|
542 |
* @param sizeY Tama?o Y de la image
|
543 |
* @param band N?mero de bandas
|
544 |
* @return buffer con la ventana leida
|
545 |
* @throws MrSIDException
|
546 |
*/
|
547 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band) |
548 |
throws MrSIDException {
|
549 |
if (pixel == null) { |
550 |
pixel = new LTIPixel(eColorSpace, nbands, eSampleType);
|
551 |
} |
552 |
|
553 |
LTIScene scene = new LTIScene(ulX, ulY, sizeX, sizeY, 1.0); |
554 |
LTISceneBuffer buffer = new LTISceneBuffer(pixel, sizeX, sizeY, true); |
555 |
((LTIImageStage) this).read(scene, buffer);
|
556 |
|
557 |
if (band == 1) { |
558 |
return buffer.buf1;
|
559 |
} else if (band == 2) { |
560 |
return buffer.buf2;
|
561 |
} else if (band == 3) { |
562 |
return buffer.buf3;
|
563 |
} |
564 |
|
565 |
return null; |
566 |
} |
567 |
|
568 |
// Polilinea con extent
|
569 |
class Contour extends Vector { |
570 |
final private static long serialVersionUID = -3370601314380922368L; |
571 |
public double minX = Double.MAX_VALUE; |
572 |
public double minY = Double.MAX_VALUE; |
573 |
public double maxX = -Double.MAX_VALUE; |
574 |
public double maxY = -Double.MAX_VALUE; |
575 |
|
576 |
public Contour() {
|
577 |
super();
|
578 |
} |
579 |
|
580 |
public void add(Point2D pt) { |
581 |
super.add(pt);
|
582 |
|
583 |
if (pt.getX() > maxX) {
|
584 |
maxX = pt.getX(); |
585 |
} |
586 |
|
587 |
if (pt.getX() < minX) {
|
588 |
minX = pt.getX(); |
589 |
} |
590 |
|
591 |
if (pt.getY() > maxY) {
|
592 |
maxY = pt.getY(); |
593 |
} |
594 |
|
595 |
if (pt.getY() < minY) {
|
596 |
minY = pt.getY(); |
597 |
} |
598 |
} |
599 |
} |
600 |
} |
601 |
|
602 |
|
603 |
/**
|
604 |
* @author Nacho Brodin <brodin_ign@gva.es>
|
605 |
*
|
606 |
* Clase encargada del acceso a los datos y repintado de imagenes MrSID. Estos
|
607 |
* son registrados con la extensi?n sid
|
608 |
*/
|
609 |
public class MrSidFile extends GeoRasterFile { |
610 |
public final static int BAND_HEIGHT = 64; |
611 |
|
612 |
protected MrSidNative file = null; |
613 |
private Extent v = null; |
614 |
|
615 |
/**
|
616 |
* Contructor. Abre el fichero mrsid
|
617 |
* @param proj Proyecci?n
|
618 |
* @param fName Nombre del fichero mrsid
|
619 |
*/
|
620 |
public MrSidFile(IProjection proj, String fName) { |
621 |
super(proj, fName);
|
622 |
|
623 |
extent = new Extent();
|
624 |
|
625 |
try {
|
626 |
file = new MrSidNative(fName);
|
627 |
load(); |
628 |
bandCount = file.nbands; |
629 |
|
630 |
if (bandCount > 2) { |
631 |
setBand(RED_BAND, 0);
|
632 |
setBand(GREEN_BAND, 1);
|
633 |
setBand(BLUE_BAND, 2);
|
634 |
} else {
|
635 |
setBand(RED_BAND | GREEN_BAND | BLUE_BAND, 0);
|
636 |
} |
637 |
} catch (Exception e) { |
638 |
System.out.println("Error en constructor de MrSID"); |
639 |
e.printStackTrace(); |
640 |
file = null;
|
641 |
} |
642 |
} |
643 |
|
644 |
/**
|
645 |
* Obtenemos o calculamos el extent de la imagen.
|
646 |
*/
|
647 |
public GeoFile load() {
|
648 |
|
649 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
650 |
requestExtent = extent; |
651 |
|
652 |
/*if((this.assignedExtent == GeoRasterFile.IMAGE_EXTENT || this.assignedExtent == GeoRasterFile.ORDER )
|
653 |
&& file !=null && file.esq != null){
|
654 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
655 |
return this;
|
656 |
}
|
657 |
|
658 |
if((this.assignedExtent == GeoRasterFile.ASSIGNED_EXTENT || this.assignedExtent == GeoRasterFile.ORDER )
|
659 |
&& this.getTempExtent() != null){
|
660 |
|
661 |
extent = this.getTempExtent();
|
662 |
file.esq = file.new Contour();
|
663 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY()));
|
664 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY()));
|
665 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY()+(extent.maxY() - extent.minY())));
|
666 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY()+(extent.maxY() - extent.minY())));
|
667 |
}*/
|
668 |
|
669 |
return this; |
670 |
} |
671 |
|
672 |
/**
|
673 |
* Libera el objeto que ha abierto el fichero
|
674 |
*/
|
675 |
public void close() { |
676 |
if(file != null){ |
677 |
file.close(); |
678 |
file = null;
|
679 |
} |
680 |
} |
681 |
|
682 |
/**
|
683 |
* Asigna una banda R, G o B
|
684 |
*/
|
685 |
public void setBand(int flag, int bandNr) { |
686 |
super.setBand(flag, bandNr);
|
687 |
|
688 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) {
|
689 |
file.rBandNr = bandNr + 1;
|
690 |
} |
691 |
|
692 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) {
|
693 |
file.gBandNr = bandNr + 1;
|
694 |
} |
695 |
|
696 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) {
|
697 |
file.bBandNr = bandNr + 1;
|
698 |
} |
699 |
} |
700 |
|
701 |
/**
|
702 |
* Asigna el extent de la vista
|
703 |
*/
|
704 |
public void setView(Extent e) { |
705 |
v = new Extent(e);
|
706 |
} |
707 |
|
708 |
/**
|
709 |
* Obtiene el Extent de la vista
|
710 |
*/
|
711 |
public Extent getView() {
|
712 |
return v;
|
713 |
} |
714 |
|
715 |
/**
|
716 |
* Obtiene el ancho de la imagen
|
717 |
*/
|
718 |
public int getWidth() { |
719 |
return file.width;
|
720 |
} |
721 |
|
722 |
/**
|
723 |
* Obtiene el alto de la imagen
|
724 |
*/
|
725 |
public int getHeight() { |
726 |
return file.height;
|
727 |
} |
728 |
|
729 |
public void reProject(ICoordTrans rp) { |
730 |
// TODO Auto-generated method stub
|
731 |
} |
732 |
|
733 |
/**
|
734 |
* Actualiza la imagen. Se encarga de llamar a la funci?n que calcula la vista
|
735 |
* y luego a la que lee la escena sobre un buffer. Vuelca la informaci?n obtenida
|
736 |
* sobre el Image que la visualiza.
|
737 |
*/
|
738 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
739 |
int line;
|
740 |
int[] pRGBArray = null; |
741 |
Image image = null; |
742 |
|
743 |
if(mustVerifySize()){
|
744 |
// Work out the correct aspect for the setView call.
|
745 |
double dFileAspect = (double) v.width() / (double) v.height(); |
746 |
double dWindowAspect = (double) width / (double) height; |
747 |
|
748 |
if (dFileAspect > dWindowAspect) {
|
749 |
height = (int) ((double) width / dFileAspect); |
750 |
} else {
|
751 |
width = (int) ((double) height * dFileAspect); |
752 |
} |
753 |
} |
754 |
|
755 |
// Set the view
|
756 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height); |
757 |
setStep(file.stepArrayX, file.stepArrayY); |
758 |
|
759 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
760 |
if (width <= 0) { |
761 |
width = 1;
|
762 |
} |
763 |
|
764 |
if (height <= 0) { |
765 |
height = 1;
|
766 |
} |
767 |
|
768 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
769 |
pRGBArray = new int[width * height]; |
770 |
|
771 |
try {
|
772 |
file.setAlpha(getAlpha()); |
773 |
|
774 |
setBand(RED_BAND, rBandNr); |
775 |
setBand(GREEN_BAND, gBandNr); |
776 |
setBand(BLUE_BAND, bBandNr); |
777 |
|
778 |
|
779 |
file.readScene(pRGBArray); |
780 |
setStep(file.stepArrayX, file.stepArrayY); |
781 |
((BufferedImage) image).setRGB(0, 0, width, height, pRGBArray, 0, |
782 |
width); |
783 |
} catch (Exception e) { |
784 |
e.printStackTrace(); |
785 |
} |
786 |
|
787 |
return image;
|
788 |
} |
789 |
|
790 |
/**
|
791 |
* Muestra informaci?n del fichero abierto.
|
792 |
*
|
793 |
*/
|
794 |
private void showOnOpen() { |
795 |
// Report en la apertura (quitar)
|
796 |
System.out.println("Fichero MrSID '" + getName() + "' abierto."); |
797 |
System.out.println("Version = " + file.version); |
798 |
System.out.println(" Size = (" + file.width + "," + file.height + |
799 |
")");
|
800 |
System.out.println(" NumBands = (" + file.nbands + ")"); |
801 |
|
802 |
//file.pintaInfo();
|
803 |
file.pintaPaleta(); |
804 |
} |
805 |
|
806 |
/**
|
807 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
808 |
* vector de enteros.
|
809 |
* @param image imagen con los datos actuales
|
810 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
811 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
812 |
* @param w Ancho de la imagen
|
813 |
* @param h Alto de la imagen
|
814 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
815 |
* @param offset desplazamiento
|
816 |
* @param scansize tama?o de imagen recorrida por cada p
|
817 |
*/
|
818 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
819 |
int w, int h, int[] rgbArray, int offset, |
820 |
int scansize) {
|
821 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
822 |
} |
823 |
|
824 |
/**
|
825 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
826 |
* con los datos de la imagen contenidos en el vector de enteros. De los valores RGB
|
827 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
828 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
829 |
* @param image imagen con los datos actuales
|
830 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
831 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
832 |
* @param w Ancho de la imagen
|
833 |
* @param h Alto de la imagen
|
834 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
835 |
* @param offset desplazamiento
|
836 |
* @param scansize tama?o de imagen recorrida por cada paso
|
837 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
838 |
*/
|
839 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
840 |
int w, int h, int[] rgbArray, int offset, |
841 |
int scansize, int flags) { |
842 |
int[] line = new int[rgbArray.length]; |
843 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
844 |
|
845 |
if (flags == GeoRasterFile.RED_BAND) {
|
846 |
for (int i = 0; i < line.length; i++) |
847 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
848 |
} else if (flags == GeoRasterFile.GREEN_BAND) { |
849 |
for (int i = 0; i < line.length; i++) |
850 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
851 |
} else if (flags == GeoRasterFile.BLUE_BAND) { |
852 |
for (int i = 0; i < line.length; i++) |
853 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
854 |
} |
855 |
|
856 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
857 |
} |
858 |
|
859 |
/**
|
860 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
861 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
862 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
863 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
864 |
* @param image imagen con los datos actuales
|
865 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
866 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
867 |
* @param w Ancho de la imagen
|
868 |
* @param h Alto de la imagen
|
869 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
870 |
* @param offset desplazamiento
|
871 |
* @param scansize tama?o de imagen recorrida por cada paso
|
872 |
* @param origBand Banda origen del GeoRasterFile
|
873 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
874 |
*/
|
875 |
protected void setRGBLine(BufferedImage image, int startX, int startY, |
876 |
int w, int h, int[] rgbArray, int offset, |
877 |
int scansize, int origBand, int destBandFlag) { |
878 |
int[] line = new int[rgbArray.length]; |
879 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
880 |
|
881 |
if ((origBand == 0) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
882 |
for (int i = 0; i < line.length; i++) |
883 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
884 |
} else if ((origBand == 1) && |
885 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) { |
886 |
for (int i = 0; i < line.length; i++) |
887 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
888 |
} else if ((origBand == 2) && |
889 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) { |
890 |
for (int i = 0; i < line.length; i++) |
891 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
892 |
} else if ((origBand == 0) && |
893 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) { |
894 |
for (int i = 0; i < line.length; i++) |
895 |
line[i] = (line[i] & 0xffff00ff) |
|
896 |
((rgbArray[i] & 0x00ff0000) >> 8); |
897 |
} else if ((origBand == 0) && |
898 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) { |
899 |
for (int i = 0; i < line.length; i++) |
900 |
line[i] = (line[i] & 0xffffff00) |
|
901 |
((rgbArray[i] & 0x00ff0000) >> 16); |
902 |
} else if ((origBand == 1) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
903 |
for (int i = 0; i < line.length; i++) |
904 |
line[i] = (line[i] & 0xff00ffff) |
|
905 |
((rgbArray[i] & 0x0000ff00) << 8); |
906 |
} else if ((origBand == 1) && |
907 |
(destBandFlag == GeoRasterFile.BLUE_BAND)) { |
908 |
for (int i = 0; i < line.length; i++) |
909 |
line[i] = (line[i] & 0xffffff00) |
|
910 |
((rgbArray[i] & 0x0000ff00) >> 8); |
911 |
} else if ((origBand == 2) && (destBandFlag == GeoRasterFile.RED_BAND)) { |
912 |
for (int i = 0; i < line.length; i++) |
913 |
line[i] = (line[i] & 0xff00ffff) |
|
914 |
((rgbArray[i] & 0x000000ff) << 16); |
915 |
} else if ((origBand == 2) && |
916 |
(destBandFlag == GeoRasterFile.GREEN_BAND)) { |
917 |
for (int i = 0; i < line.length; i++) |
918 |
line[i] = (line[i] & 0xffff00ff) |
|
919 |
((rgbArray[i] & 0x000000ff) << 8); |
920 |
} |
921 |
|
922 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
923 |
} |
924 |
|
925 |
/* (non-Javadoc)
|
926 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)
|
927 |
*/
|
928 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, |
929 |
int origBand, int destBandFlag) throws SupersamplingNotSupportedException{ |
930 |
int line;
|
931 |
int[] pRGBArray = null; |
932 |
Image mrSidImage = null; |
933 |
|
934 |
if(mustVerifySize()){
|
935 |
// Work out the correct aspect for the setView call.
|
936 |
double dFileAspect = (double) v.width() / (double) v.height(); |
937 |
double dWindowAspect = (double) width / (double) height; |
938 |
|
939 |
if (dFileAspect > dWindowAspect) {
|
940 |
height = (int) ((double) width / dFileAspect); |
941 |
} else {
|
942 |
width = (int) ((double) height * dFileAspect); |
943 |
} |
944 |
} |
945 |
// Set the view
|
946 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height); |
947 |
|
948 |
//Impedimos que los valores de ancho y alto de la im?gen sean menores que 1
|
949 |
if (width <= 0) { |
950 |
width = 1;
|
951 |
} |
952 |
|
953 |
if (height <= 0) { |
954 |
height = 1;
|
955 |
} |
956 |
|
957 |
file.setAlpha(getAlpha()); |
958 |
|
959 |
setBand(RED_BAND, rBandNr); |
960 |
setBand(GREEN_BAND, gBandNr); |
961 |
setBand(BLUE_BAND, bBandNr); |
962 |
|
963 |
pRGBArray = new int[width * height]; |
964 |
|
965 |
if (img == null) { //Caso en el que se crea una imagen |
966 |
mrSidImage = new BufferedImage(width, height, |
967 |
BufferedImage.TYPE_INT_ARGB);
|
968 |
|
969 |
try {
|
970 |
file.readScene(pRGBArray); |
971 |
setStep(file.stepArrayX, file.stepArrayY); |
972 |
setRGBLine((BufferedImage) mrSidImage, 0, 0, width, height, pRGBArray, 0, width); |
973 |
} catch (Exception e) { |
974 |
e.printStackTrace(); |
975 |
} |
976 |
|
977 |
return mrSidImage;
|
978 |
} else { //Caso en el que se actualiza una banda del Image |
979 |
|
980 |
try {
|
981 |
file.readScene(pRGBArray); |
982 |
setStep(file.stepArrayX, file.stepArrayY); |
983 |
setRGBLine((BufferedImage) img, 0, 0, width, height, pRGBArray, 0, width, origBand, destBandFlag); |
984 |
} catch (Exception e) { |
985 |
e.printStackTrace(); |
986 |
} |
987 |
|
988 |
return img;
|
989 |
} |
990 |
} |
991 |
|
992 |
/* (non-Javadoc)
|
993 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
994 |
*/
|
995 |
public Object getData(int x, int y, int band) { |
996 |
// TODO Auto-generated method stub
|
997 |
return null; |
998 |
} |
999 |
|
1000 |
public RasterBuf getWindowRasterWithNoData(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
1001 |
return null; |
1002 |
} |
1003 |
|
1004 |
/**
|
1005 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
|
1006 |
* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
|
1007 |
* pixeles de disco.
|
1008 |
* @param x Posici?n X superior izquierda
|
1009 |
* @param y Posici?n Y superior izquierda
|
1010 |
* @param w Ancho en coordenadas reales
|
1011 |
* @param h Alto en coordenadas reales
|
1012 |
* @param rasterBuf Buffer de datos
|
1013 |
* @param bandList
|
1014 |
* @return Buffer de datos
|
1015 |
*/
|
1016 |
public RasterBuf getWindowRaster(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
1017 |
//Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
1018 |
//setView(selectedExtent);
|
1019 |
|
1020 |
int initX = (int)((x * file.width) / extent.width()); |
1021 |
int initY = (int)((y * file.height) / extent.height()); |
1022 |
int width = (int)((w * file.width) / extent.width()); |
1023 |
int height = (int)((h * file.height) / extent.height()); |
1024 |
|
1025 |
return getWindowRaster(initX, initY, width, height, bandList, rasterBuf);
|
1026 |
} |
1027 |
|
1028 |
/**
|
1029 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas pixel.
|
1030 |
* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
|
1031 |
* pixeles de disco.
|
1032 |
* @param x Posici?n X superior izquierda
|
1033 |
* @param y Posici?n Y superior izquierda
|
1034 |
* @param w Ancho en coordenadas reales
|
1035 |
* @param h Alto en coordenadas reales
|
1036 |
* @param rasterBuf Buffer de datos
|
1037 |
* @param bandList
|
1038 |
* @return Buffer de datos
|
1039 |
*/
|
1040 |
public RasterBuf getWindowRaster(int x, int y, int w, int h, BandList bandList, RasterBuf rasterBuf) { |
1041 |
try {
|
1042 |
rasterBuf = new RasterBuf(getDataType(), w, h, bandList.getDrawableBandsCount(), true); |
1043 |
file.readWindow(rasterBuf, bandList, x, y, w, h); |
1044 |
} catch (Exception e) { |
1045 |
e.printStackTrace(); |
1046 |
} |
1047 |
return rasterBuf;
|
1048 |
} |
1049 |
|
1050 |
/**
|
1051 |
* Devuelve los datos de una ventana solicitada
|
1052 |
* @param ulX coordenada X superior izda.
|
1053 |
* @param ulY coordenada Y superior derecha.
|
1054 |
* @param sizeX tama?o en X de la ventana.
|
1055 |
* @param sizeY tama?o en Y de la ventana.
|
1056 |
* @param band Banda solicitada.
|
1057 |
*/
|
1058 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band) { |
1059 |
try {
|
1060 |
return file.getWindow(ulX, ulY, sizeX, sizeY, band);
|
1061 |
} catch (MrSIDException e) {
|
1062 |
e.printStackTrace(); |
1063 |
} |
1064 |
|
1065 |
return null; |
1066 |
} |
1067 |
|
1068 |
/**
|
1069 |
* Devuelve el tama?o de bloque
|
1070 |
* @return Tama?o de bloque
|
1071 |
*/
|
1072 |
public int getBlockSize() { |
1073 |
return file.blocksize;
|
1074 |
} |
1075 |
|
1076 |
/**
|
1077 |
* Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
|
1078 |
* asociado. En Ecw el origen de coordenadas en Y es el valor m?ximo y decrece hasta el m?nimo.
|
1079 |
* @param originX Origen de la imagen en la coordenada X
|
1080 |
* @param originY Origen de la imagen en la coordenada Y
|
1081 |
*/
|
1082 |
public void setExtentTransform(double originX, double originY, double psX, double psY) { |
1083 |
|
1084 |
} |
1085 |
|
1086 |
/**
|
1087 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
1088 |
* el valor de esta variable cada vez que dibuja.
|
1089 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
1090 |
*/
|
1091 |
public boolean isSupersampling() { |
1092 |
return file.isSupersampling;
|
1093 |
} |
1094 |
|
1095 |
public RasterBuf getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, RasterBuf rasterBuf) { |
1096 |
// TODO Auto-generated method stub
|
1097 |
return null; |
1098 |
} |
1099 |
|
1100 |
public Point2D rasterToWorld(Point2D pt) { |
1101 |
// TODO Auto-generated method stub
|
1102 |
return null; |
1103 |
} |
1104 |
|
1105 |
public Point2D worldToRaster(Point2D pt) { |
1106 |
// TODO Auto-generated method stub
|
1107 |
return null; |
1108 |
} |
1109 |
} |