root / trunk / libraries / libCq CMS for java.old / src / org / cresques / io / GdalFile.java @ 2849
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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.Color; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.DataBuffer; |
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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.raster.RasterBuf; |
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import org.cresques.px.Extent; |
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import es.gva.cit.jgdal.Gdal; |
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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.jgdal.GeoTransform; |
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/**
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* Soporte 'nativo' para ficheros desde GDAL.
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* Este conjunto de funcionalidades est? tomado de manera casi literal
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* del soporte para ECW de ermapper.<br>
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* Probablemente esto deber?a formar parte del JNI que recubre a la
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* librer?a en C extraida de gdal.<br>
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* Lo pongo aqu? a manera de ejemplo de como atacar un formato binario
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* desde Java.<br><br>
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* @author Luis W. Sevilla.
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*/
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class GdalNative extends Gdal { |
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static boolean WITH_OVERVIEWS = true; |
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// Polilinea con extent
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public class Contour extends Vector { |
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final private static long serialVersionUID = -3370601314380922368L; |
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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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private int alpha = 0; |
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protected int rBandNr = 1, gBandNr = 2, bBandNr = 3; |
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private int dataType = GDT_Byte; |
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public GdalNative(String fName) throws GdalException, IOException { |
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super();
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init(fName); |
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} |
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private void init(String fName) throws GdalException, IOException { |
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open(fName,GA_ReadOnly); |
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String ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1); |
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if (ext.compareTo("tif") == 0) |
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WITH_OVERVIEWS = false;
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width = getRasterXSize(); |
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height = getRasterYSize(); |
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if (true) { //ext.compareTo("sid") == 0) { |
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String [] metadata = getMetadata(); |
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double ox=0D, oy=0D, resx=0D, resy=0D; |
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try{
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GeoTransform trans = getGeoTransform(); |
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ox = trans.adfgeotransform[0];
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oy = trans.adfgeotransform[3];
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resx = trans.adfgeotransform[1];
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resy = trans.adfgeotransform[5];
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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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}catch(GdalException exc){
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esq = null;
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} |
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} else { //version.startsWith("1")) { |
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//double [] transParam = getGeoTransform();
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esq.add(new Point2D.Double(0D,height)); |
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esq.add(new Point2D.Double(0D,0D)); |
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esq.add(new Point2D.Double(width,0D)); |
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esq.add(new Point2D.Double(width,height)); |
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} |
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setDataType(this.getRasterBand(1).getRasterDataType()); |
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} |
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public void setAlpha(int a) { alpha = a; } |
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public void setDataType(int dt) { dataType = dt; } |
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public int getDataType() { return dataType; } |
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double lastReadLine = -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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protected GdalRasterBand bandR=null, bandG=null, bandB=null; |
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/**
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* Devuelve la banda actualmente en uso para el color especificado.
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* @param color 0=Rojo, 1=Green, 2=Blue.
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* @return
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*/
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public GdalRasterBand getCurrentBand(int color) { |
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if (color == 0) return bandR; |
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else if (color == 1) return bandG; |
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return bandB;
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} |
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// Supone rasters no girados
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public Point2D worldToRaster(Point2D pt) { |
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double x = (((double) currentFullWidth)/(esq.maxX-esq.minX))*(pt.getX()-esq.minX); |
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double y = (((double) currentFullHeight)/(esq.maxY-esq.minY))*(esq.maxY-pt.getY()); |
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Point2D ptRes = new Point2D.Double(x, y); |
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return ptRes;
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} |
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public int 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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int err = 0; |
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currentFullWidth = width; |
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currentFullHeight = height; |
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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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// Calcula cual es la primera l?nea a leer;
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currentViewWidth = nWidth; |
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currentViewHeight = nHeight; |
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currentViewX = tl.getX(); |
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viewportScale = (double) currentViewWidth/(br.getX()-tl.getX());
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step = 1D/viewportScale;
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lastReadLine = tl.getY(); |
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try {
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// calcula el overview a usar
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bandR = getRasterBand(1);
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currentOverview = -1;
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if (WITH_OVERVIEWS && bandR.getOverviewCount() > 0) { |
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GdalRasterBand ovb = null;
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for (int i=bandR.getOverviewCount()-1; i>0; i--) { |
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ovb = bandR.getOverview(i); |
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if (ovb.getRasterBandXSize()>getRasterXSize()*viewportScale) {
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currentOverview = i; |
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viewportScale *= ((double) width/(double) ovb.getRasterBandXSize()); |
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step = 1D/viewportScale;
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currentFullWidth = ovb.getRasterBandXSize(); |
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currentFullHeight = ovb.getRasterBandYSize(); |
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tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
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currentViewX = tl.getX(); |
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lastReadLine = tl.getY(); |
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break;
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} |
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} |
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} |
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// Selecciona las bandas y los overviews necesarios
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bandR = getRasterBand(rBandNr); |
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setDataType(bandR.getRasterDataType()); |
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if (this.getRasterCount() > 1) { |
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bandG = getRasterBand(gBandNr); |
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bandB = getRasterBand(bBandNr); |
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} |
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if (currentOverview > 0) { |
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bandR = bandR.getOverview(currentOverview); |
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if (this.getRasterCount() > 1) { |
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bandG = bandG.getOverview(currentOverview); |
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bandB = bandB.getOverview(currentOverview); |
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} |
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} |
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//System.out.println(band.)
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} catch (GdalException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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System.out.println("GdalFile: TL=("+dWorldTLX+","+dWorldTLY+ |
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"); BR=("+dWorldBRX+","+dWorldBRY+")\n"+ |
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"GdalFile: escala="+viewportScale+"; lastReadLine="+lastReadLine+"\n"+ |
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"Actual Raster Size="+currentFullWidth+"x"+currentFullHeight+ |
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"\nDataType="+dataType);
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return err;
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} |
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int lastY = -1; |
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public void readLine(int[][] line) throws GdalException { |
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int err = 0; |
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int nbands = getRasterCount();
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GdalRasterBand band = null;
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int w = (int)(((double)currentViewWidth)*step); |
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int x = (int) currentViewX; |
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int y = (int) lastReadLine; |
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GdalBuffer r = null, g = null, b = null; |
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//if (alpha > 0) a = alpha << 24;
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if (x+w > bandR.getRasterBandXSize())
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w = bandR.getRasterBandXSize()-x; |
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r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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if (bandG != null) |
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g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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if (bandB != null) |
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b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
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lastReadLine += step; |
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int white = Color.BLUE.getRGB(), i2=0, i=0; |
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float j =0F; |
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if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){
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if (g == null){ // Sibgle Band (Typical DEM) |
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for (int k=0; k<4; k++){ |
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for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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if(k<3) |
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line[i][k] = (r.buffShort[(int) j] & 0xffff); |
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else
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line[i][3] = 0xff; |
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} |
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} |
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}else { // Multiband |
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short px;
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//System.err.println("readLine(): Raster 16bits multibanda");
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GdalBuffer [] bands = {r,g,b};
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for (int k=0; k<4; k++){ |
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for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step){ |
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if(k<3) |
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line[i][k] = (bands[k].buffShort[(int) j] & 0xffff); |
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else
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line[i][3] = 0xff; |
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} |
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} |
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} |
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} |
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return;
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} |
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public int readLineRGBA(int [] line) throws GdalException { |
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int err = 0; |
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int nbands = getRasterCount();
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GdalRasterBand band = null;
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int w = (int)(((double)currentViewWidth)*step); |
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int x = (int) currentViewX; |
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int y = (int) lastReadLine; |
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GdalBuffer r = null, g = null, b = null; |
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//if (alpha > 0) a = alpha << 24;
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if (x+w > bandR.getRasterBandXSize())
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w = bandR.getRasterBandXSize()-x; |
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r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
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if (bandG != null) |
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g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
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if (bandB != null) |
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b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
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lastReadLine += step; |
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int white = Color.BLUE.getRGB(), i2=0, i=0; |
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float j =0F; |
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int alpha = (this.alpha & 0xff) << 24; |
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if (dataType == GDT_Byte)
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if (g != null) |
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for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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line[i] = alpha + ((r.buffByte[(int) j] & 0xff) << 16) + ((g.buffByte[(int) j] & 0xff) << 8) + (b.buffByte[(int) j] & 0xff); |
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} |
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else
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for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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line[i] = alpha + ((r.buffByte[(int) j] & 0xff) << 16) + |
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((r.buffByte[(int) j] & 0xff) << 8) + (r.buffByte[(int) j] & 0xff); |
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} |
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else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16) |
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if (g == null) // Sibgle Band (Typical DEM) |
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/*for (i=0, j=0F, i2 = 1; i<currentViewWidth && i2<r.length;
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i++, j+=step, i2 = (((int) j)*2)+1) {
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line[i] = a + ((r[i2-1]) << 8) + r[i2];
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}*/
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for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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line[i] = alpha + r.buffShort[(int) j];
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} |
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else { // Multiband |
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// System.err.println("Raster 16bits multibanda");
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for (i=0, j=0F; i<currentViewWidth && j<r.getSize(); i++, j+=step) { |
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line[i] = alpha | (((r.buffShort[(int) j] & 0xfff0) << 12) & 0xff0000 ) | |
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(((g.buffShort[(int) j] & 0xfff0) << 4 ) & 0xff00 ) | |
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(((b.buffShort[(int) j] & 0xfff0) >> 4 ) & 0xff ); |
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} |
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} |
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//for (int i=0; i<currentViewWidth; i++) line[i] = 128+128*256+128*256*256;
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return err;
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} |
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/**
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* Lee una franja de la imagen.
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* @param bandH Altura de la franja
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* @param bufH Altura del buffer
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* @param buf Buffer con la franja (retorno)
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* @return
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* @throws GdalException
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*/
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public int readBandRGBA(int bandH, int bufH, int [] buf) throws GdalException { |
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int err = 0; |
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int nbands = getRasterCount();
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GdalRasterBand band = null;
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int w = (int)(((double)currentViewWidth)*step); |
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int x = (int)(((double)currentViewX)*step); |
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int y = (int) lastReadLine; |
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int h = (int) (((double)bandH)*step); |
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System.out.println("Leyendo "+y); |
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if (x+w > bandR.getRasterBandXSize())
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w = bandR.getRasterBandXSize()-x; |
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GdalBuffer r = bandR.readRaster(x, y, w, h, w, h, GDT_Byte); |
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GdalBuffer g = bandG.readRaster(x, y, w, h, w, h, GDT_Byte); |
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GdalBuffer b = bandB.readRaster(x, y, w, h, w, h, GDT_Byte); |
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lastReadLine += ((double)bandH)*step;
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// TODO Acabar de implementarlo
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float k=0F; |
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int alpha = (this.alpha & 0xff) << 24; |
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for (int j=0, t=0; j<bandH; j++) { |
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k = j*w; t=j*currentViewWidth; |
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for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=step) { |
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buf[t+i] = alpha + ((r.buffByte[(int) k]) << 16) + ((g.buffByte[(int) k]) << 8) + b.buffByte[(int) k]; |
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} |
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} |
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//for (int i=0; i<currentViewWidth; i++) line[i] = 128+128*256+128*256*256;
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return err;
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} |
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void pintaInfo() {
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try {
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//System.out.println("Origin = "+originX+","+originY);
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//System.out.println("Origin = "+this.);
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System.out.println("GeoTransform:"); |
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GeoTransform trans = getGeoTransform(); |
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for (int i=0; i<6; i++) |
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System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
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System.out.println("Metadata:"); |
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String [] metadata = getMetadata(); |
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for (int i=0; i<metadata.length; i++) { |
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System.out.println(metadata[i]);
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} |
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} catch (GdalException e) {
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} |
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} |
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void pintaPaleta() {
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} |
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public int getBlockSize(){ |
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return this.getBlockSize(); |
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} |
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} |
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|
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/**
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* @author Luis W. Sevilla
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*/
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public class GdalFile extends GeoRasterFile { |
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public final static int BAND_HEIGHT = 64; |
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protected GdalNative file = null; |
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private Extent v = null; |
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static {
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//GeoRasterFile.registerExtension("sid", GdalFile.class);
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GeoRasterFile.registerExtension("img", GdalFile.class);
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GeoRasterFile.registerExtension("tif", GdalFile.class);
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GeoRasterFile.registerExtension("tiff", GdalFile.class);
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GeoRasterFile.registerExtension("jpg", GdalFile.class);
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GeoRasterFile.registerExtension("png", GdalFile.class);
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} |
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public GdalFile(IProjection proj, String fName){ |
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super(proj, fName);
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extent = new Extent();
|
| 425 |
try {
|
| 426 |
file = new GdalNative(fName);
|
| 427 |
showOnOpen(); |
| 428 |
load(); |
| 429 |
bandCount = file.getRasterCount(); |
| 430 |
if ( bandCount > 2) { |
| 431 |
setBand(RED_BAND, 0);
|
| 432 |
setBand(GREEN_BAND, 1);
|
| 433 |
setBand(BLUE_BAND, 2);
|
| 434 |
} else
|
| 435 |
setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
| 436 |
} catch(Exception e){ |
| 437 |
System.out.println("Error en GdalOpen"); |
| 438 |
e.printStackTrace(); |
| 439 |
file = null;
|
| 440 |
} |
| 441 |
int dataType = file.getDataType();
|
| 442 |
if (dataType == Gdal.GDT_Byte)
|
| 443 |
setDataType(DataBuffer.TYPE_BYTE);
|
| 444 |
else if (dataType == Gdal.GDT_CInt16 || dataType == Gdal.GDT_Int16) |
| 445 |
setDataType(DataBuffer.TYPE_SHORT);
|
| 446 |
else if(dataType == Gdal.GDT_UInt16) |
| 447 |
setDataType(DataBuffer.TYPE_USHORT);
|
| 448 |
} |
| 449 |
|
| 450 |
/**
|
| 451 |
* Obtenemos o calculamos el extent de la imagen.
|
| 452 |
*/
|
| 453 |
public GeoFile load() {
|
| 454 |
|
| 455 |
//Si el extent temporal tiene alg?n valor usamos este para calcular el de la imagen
|
| 456 |
if(this.getTempExtent()!=null){ |
| 457 |
extent = this.calcTempExtent(file.width, file.height);
|
| 458 |
file.esq = file.new Contour(); |
| 459 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY())); |
| 460 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY())); |
| 461 |
file.esq.add(new Point2D.Double(extent.minX(), extent.minY()+(extent.maxY() - extent.minY()))); |
| 462 |
file.esq.add(new Point2D.Double(extent.minX()+(extent.maxX() - extent.minX()), extent.minY()+(extent.maxY() - extent.minY()))); |
| 463 |
}else{ //usamos el de la imagen |
| 464 |
|
| 465 |
//Si la imagen est? georreferenciada obtenemos el extent
|
| 466 |
if(file.esq != null) |
| 467 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
| 468 |
else{//Si no est? georreferenciada nos inventamos el extent |
| 469 |
extent = new Extent(0, 0, file.width, file.height); |
| 470 |
file.esq = file.new Contour(); |
| 471 |
file.esq.add(new Point2D.Double(0, 0)); |
| 472 |
file.esq.add(new Point2D.Double(file.width, 0)); |
| 473 |
file.esq.add(new Point2D.Double(0, file.height)); |
| 474 |
file.esq.add(new Point2D.Double(file.width, file.height)); |
| 475 |
} |
| 476 |
} |
| 477 |
return this; |
| 478 |
} |
| 479 |
|
| 480 |
public void close() { |
| 481 |
try {
|
| 482 |
file.close(); |
| 483 |
} catch (GdalException e) {
|
| 484 |
// TODO Auto-generated catch block
|
| 485 |
e.printStackTrace(); |
| 486 |
} |
| 487 |
} |
| 488 |
|
| 489 |
public void setBand(int flag, int bandNr) { |
| 490 |
super.setBand(flag, bandNr);
|
| 491 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
| 492 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
| 493 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
| 494 |
} |
| 495 |
public void setView(Extent e) { v = new Extent(e); } |
| 496 |
public Extent getView() { return v; } |
| 497 |
|
| 498 |
public int getWidth() { return file.width; } |
| 499 |
public int getHeight() { return file.height;} |
| 500 |
|
| 501 |
/* (non-Javadoc)
|
| 502 |
* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
| 503 |
*/
|
| 504 |
public void reProject(ICoordTrans rp) { |
| 505 |
// TODO Auto-generated method stub
|
| 506 |
|
| 507 |
} |
| 508 |
/* (non-Javadoc)
|
| 509 |
* @see org.cresques.io.GeoRasterFile#setTransparency(boolean)
|
| 510 |
* /
|
| 511 |
public void setTransparency(boolean t) {
|
| 512 |
// TODO Auto-generated method stub
|
| 513 |
}
|
| 514 |
public void setTransparency(int t) {
|
| 515 |
// TODO Auto-generated method stub
|
| 516 |
}*/
|
| 517 |
/* (non-Javadoc)
|
| 518 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
| 519 |
*/
|
| 520 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
| 521 |
double dFileAspect, dWindowAspect;
|
| 522 |
int line, pRGBArray[] = null; |
| 523 |
Image image = null; |
| 524 |
|
| 525 |
// Work out the correct aspect for the setView call.
|
| 526 |
dFileAspect = (double)v.width()/(double)v.height(); |
| 527 |
dWindowAspect = (double)width /(double)height; |
| 528 |
|
| 529 |
if (dFileAspect > dWindowAspect) {
|
| 530 |
height =(int)((double)width/dFileAspect); |
| 531 |
} else {
|
| 532 |
width = (int)((double)height*dFileAspect); |
| 533 |
} |
| 534 |
|
| 535 |
// Set the view
|
| 536 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 537 |
width, height); |
| 538 |
|
| 539 |
if(width<=0)width=1; |
| 540 |
if(height<=0)height=1; |
| 541 |
|
| 542 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 543 |
//image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
| 544 |
pRGBArray = new int[width/**BAND_HEIGHT*/]; |
| 545 |
try {
|
| 546 |
//int nLin = height % BAND_HEIGHT;
|
| 547 |
file.setAlpha(getAlpha()); |
| 548 |
setBand(RED_BAND, rBandNr); |
| 549 |
setBand(GREEN_BAND, gBandNr); |
| 550 |
setBand(BLUE_BAND, bBandNr); |
| 551 |
for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
| 552 |
//int bandH = Math.min(BAND_HEIGHT, height-line);
|
| 553 |
//file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
| 554 |
file.readLineRGBA(pRGBArray); |
| 555 |
setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
| 556 |
} |
| 557 |
} catch (Exception e) { |
| 558 |
// TODO Auto-generated catch block
|
| 559 |
e.printStackTrace(); |
| 560 |
} |
| 561 |
|
| 562 |
return image;
|
| 563 |
} |
| 564 |
|
| 565 |
public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
| 566 |
double dFileAspect, dWindowAspect;
|
| 567 |
int line, pRGBArray[][] = null; |
| 568 |
RasterBuf raster = null;
|
| 569 |
|
| 570 |
// Work out the correct aspect for the setView call.
|
| 571 |
dFileAspect = (double)v.width()/(double)v.height(); |
| 572 |
dWindowAspect = (double)width /(double)height; |
| 573 |
|
| 574 |
if (dFileAspect > dWindowAspect) {
|
| 575 |
height =(int)((double)width/dFileAspect); |
| 576 |
} else {
|
| 577 |
width = (int)((double)height*dFileAspect); |
| 578 |
} |
| 579 |
|
| 580 |
// Set the view
|
| 581 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 582 |
width, height); |
| 583 |
|
| 584 |
raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0)); |
| 585 |
try {
|
| 586 |
//int nLin = height % BAND_HEIGHT;
|
| 587 |
file.setAlpha(getAlpha()); |
| 588 |
setBand(RED_BAND, rBandNr); |
| 589 |
setBand(GREEN_BAND, gBandNr); |
| 590 |
setBand(BLUE_BAND, bBandNr); |
| 591 |
for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
| 592 |
file.readLine(raster.getLineInt(line)); |
| 593 |
} |
| 594 |
} catch (Exception e) { |
| 595 |
// TODO Auto-generated catch block
|
| 596 |
e.printStackTrace(); |
| 597 |
} |
| 598 |
|
| 599 |
return raster;
|
| 600 |
} |
| 601 |
|
| 602 |
/**
|
| 603 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
| 604 |
* vector de enteros.
|
| 605 |
* @param image imagen con los datos actuales
|
| 606 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 607 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 608 |
* @param w Ancho de la imagen
|
| 609 |
* @param h Alto de la imagen
|
| 610 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 611 |
* @param offset desplazamiento
|
| 612 |
* @param scansize tama?o de imagen recorrida por cada p
|
| 613 |
*/
|
| 614 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 615 |
int offset, int scansize) { |
| 616 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
| 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 flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 633 |
*/
|
| 634 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 635 |
int offset, int scansize, int flags) { |
| 636 |
int [] line = new int[rgbArray.length]; |
| 637 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 638 |
if (flags == GeoRasterFile.RED_BAND)
|
| 639 |
for (int i=0; i<line.length; i++) |
| 640 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 641 |
else if (flags == GeoRasterFile.GREEN_BAND) |
| 642 |
for (int i=0; i<line.length; i++) |
| 643 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 644 |
else if (flags == GeoRasterFile.BLUE_BAND) |
| 645 |
for (int i=0; i<line.length; i++) |
| 646 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 647 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 648 |
} |
| 649 |
|
| 650 |
/**
|
| 651 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 652 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 653 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 654 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 655 |
* @param image imagen con los datos actuales
|
| 656 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 657 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 658 |
* @param w Ancho de la imagen
|
| 659 |
* @param h Alto de la imagen
|
| 660 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 661 |
* @param offset desplazamiento
|
| 662 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 663 |
* @param origBand Banda origen del GeoRasterFile
|
| 664 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 665 |
*/
|
| 666 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 667 |
int offset, int scansize, int origBand, int destBandFlag) { |
| 668 |
int [] line = new int[rgbArray.length]; |
| 669 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 670 |
if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
| 671 |
for (int i=0; i<line.length; i++) |
| 672 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 673 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 674 |
for (int i=0; i<line.length; i++) |
| 675 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 676 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 677 |
for (int i=0; i<line.length; i++) |
| 678 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 679 |
|
| 680 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 681 |
for (int i=0; i<line.length; i++) |
| 682 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
| 683 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 684 |
for (int i=0; i<line.length; i++) |
| 685 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
| 686 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
| 687 |
for (int i=0; i<line.length; i++) |
| 688 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
| 689 |
|
| 690 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 691 |
for (int i=0; i<line.length; i++) |
| 692 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
| 693 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
| 694 |
for (int i=0; i<line.length; i++) |
| 695 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
| 696 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 697 |
for (int i=0; i<line.length; i++) |
| 698 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
| 699 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 700 |
} |
| 701 |
|
| 702 |
private void showOnOpen() { |
| 703 |
// Report en la apertura (quitar)
|
| 704 |
System.out.println("Fichero GDAL '"+getName()+"' abierto."); |
| 705 |
System.out.println("Version = "+file.version); |
| 706 |
System.out.println(" Size = ("+file.width+","+file.height+")"); |
| 707 |
try {
|
| 708 |
System.out.println(" NumBands = ("+file.getRasterCount()+")"); |
| 709 |
} catch (GdalException e) {
|
| 710 |
// TODO Auto-generated catch block
|
| 711 |
e.printStackTrace(); |
| 712 |
} |
| 713 |
//file.pintaInfo();
|
| 714 |
file.pintaPaleta(); |
| 715 |
|
| 716 |
} |
| 717 |
|
| 718 |
/* (non-Javadoc)
|
| 719 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
| 720 |
*/
|
| 721 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag){ |
| 722 |
|
| 723 |
double dFileAspect, dWindowAspect;
|
| 724 |
int line, pRGBArray[] = null; |
| 725 |
|
| 726 |
// Work out the correct aspect for the setView call.
|
| 727 |
dFileAspect = (double)v.width()/(double)v.height(); |
| 728 |
dWindowAspect = (double)width /(double)height; |
| 729 |
|
| 730 |
if (dFileAspect > dWindowAspect) {
|
| 731 |
height =(int)((double)width/dFileAspect); |
| 732 |
} else {
|
| 733 |
width = (int)((double)height*dFileAspect); |
| 734 |
} |
| 735 |
|
| 736 |
// Set the view
|
| 737 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 738 |
width, height); |
| 739 |
|
| 740 |
if(width<=0)width=1; |
| 741 |
if(height<=0)height=1; |
| 742 |
|
| 743 |
pRGBArray = new int[width/**BAND_HEIGHT*/]; |
| 744 |
try {
|
| 745 |
setBand(RED_BAND, rBandNr); |
| 746 |
setBand(GREEN_BAND, gBandNr); |
| 747 |
setBand(BLUE_BAND, bBandNr); |
| 748 |
file.setAlpha(getAlpha()); |
| 749 |
if(img!=null){ |
| 750 |
for (line=0; line < height; line++) { |
| 751 |
file.readLineRGBA(pRGBArray); |
| 752 |
setRGBLine((BufferedImage) img, 0, line, width, 1/*bandH*/, pRGBArray, 0, width, origBand, destBandFlag); |
| 753 |
} |
| 754 |
return img;
|
| 755 |
}else{
|
| 756 |
Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 757 |
for (line=0; line < height; line++) { |
| 758 |
file.readLineRGBA(pRGBArray); |
| 759 |
setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
| 760 |
} |
| 761 |
return image;
|
| 762 |
} |
| 763 |
} catch (Exception e) { |
| 764 |
// TODO Auto-generated catch block
|
| 765 |
e.printStackTrace(); |
| 766 |
} |
| 767 |
|
| 768 |
return img;
|
| 769 |
} |
| 770 |
|
| 771 |
/* (non-Javadoc)
|
| 772 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 773 |
*/
|
| 774 |
public Object getData(int x, int y, int band) { |
| 775 |
// TODO Auto-generated method stub
|
| 776 |
return null; |
| 777 |
} |
| 778 |
|
| 779 |
/**
|
| 780 |
* Devuelve los datos de una ventana solicitada
|
| 781 |
* @param ulX coordenada X superior izda.
|
| 782 |
* @param ulY coordenada Y superior derecha.
|
| 783 |
* @param sizeX tama?o en X de la ventana.
|
| 784 |
* @param sizeY tama?o en Y de la ventana.
|
| 785 |
* @param band Banda solicitada.
|
| 786 |
*/
|
| 787 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
| 788 |
|
| 789 |
return null; |
| 790 |
} |
| 791 |
|
| 792 |
/**
|
| 793 |
* Obtiene la zona (Norte / Sur)
|
| 794 |
* @return true si la zona es norte y false si es sur
|
| 795 |
*/
|
| 796 |
|
| 797 |
public boolean getZone(){ |
| 798 |
|
| 799 |
return false; |
| 800 |
} |
| 801 |
|
| 802 |
/**
|
| 803 |
*Devuelve el n?mero de zona UTM
|
| 804 |
*@return N?mero de zona
|
| 805 |
*/
|
| 806 |
|
| 807 |
public int getUTM(){ |
| 808 |
|
| 809 |
return 0; |
| 810 |
} |
| 811 |
|
| 812 |
/**
|
| 813 |
* Obtiene el sistema de coordenadas geograficas
|
| 814 |
* @return Sistema de coordenadas geogr?ficas
|
| 815 |
*/
|
| 816 |
public String getGeogCS(){ |
| 817 |
|
| 818 |
return new String(""); |
| 819 |
} |
| 820 |
/**
|
| 821 |
* Devuelve el tama?o de bloque
|
| 822 |
* @return Tama?o de bloque
|
| 823 |
*/
|
| 824 |
public int getBlockSize(){ |
| 825 |
//TODO Nacho: Implementar getBlockSize de EcwFile
|
| 826 |
return file.getBlockSize();
|
| 827 |
} |
| 828 |
} |
| 829 |
|
| 830 |
|