svn-gvsig-desktop / tags / gvSIGv0_6_1RELEASE / libraries / libCq CMS for java.old / src / org / cresques / io / GdalFile.java @ 5222
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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.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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private String ext = ""; |
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private String shortName = ""; |
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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, aBandNr = 4; |
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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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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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setDataType(this.getRasterBand(1).getRasterDataType()); |
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shortName = getDriverShortName(); |
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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.add(new Point2D.Double(0, 0)); |
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esq.add(new Point2D.Double(width, 0)); |
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esq.add(new Point2D.Double(0, height)); |
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esq.add(new Point2D.Double(width, height)); |
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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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} |
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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 currentViewY = 0D; |
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double viewportScaleX = 0D; |
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double viewportScaleY = 0D; |
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double wcWidth = 0D; |
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double stepX = 0D; |
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double stepY = 0D; |
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int currentOverview = -1; |
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protected GdalRasterBand bandR = null, bandG = null, bandB = null, bandA = 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) |
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return bandR;
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else if (color == 1) |
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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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wcWidth = Math.abs(br.getX() - tl.getX());
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currentViewX = tl.getX(); |
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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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stepX = 1D/viewportScaleX;
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stepY = 1D/viewportScaleY;
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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()*viewportScaleX) {
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currentOverview = i; |
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viewportScaleX *= ((double) width/(double) ovb.getRasterBandXSize()); |
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stepX = 1D/viewportScaleX;
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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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if(this.getRasterCount() == 4 && shortName.equals("PNG")) |
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bandA = getRasterBand(aBandNr); |
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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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if(this.getRasterCount() == 4 && shortName.equals("PNG")) |
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bandA = bandA.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="+viewportScaleX+"; 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 w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
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int x = (int) Math.ceil(currentViewX); |
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int y = (int) Math.ceil(lastReadLine); |
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GdalBuffer r = null, g = null, b = null, p = null; |
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GdalBuffer a = new GdalBuffer();
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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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if(bandR.getRasterColorTable() != null){ |
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p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
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a.buffByte = p.buffAPalette; |
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r = new GdalBuffer();
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r.buffByte = p.buffRPalette; |
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g = new GdalBuffer();
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g.buffByte = p.buffGPalette; |
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b = new GdalBuffer();
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b.buffByte = p.buffBPalette; |
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}else{
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a.buffByte = new byte[w]; |
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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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} |
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lastReadLine += stepY; |
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int i=0; |
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double j = 0D; |
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double initOffset = Math.abs(currentViewX - ((int)currentViewX)); |
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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 = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
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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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//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 = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
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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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}else if(dataType == GDT_Float32){ |
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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 = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
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if(k < 3) |
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line[i][k] = (int)bands[0].buffFloat[(int) j]; |
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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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return;
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} |
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int readLineRGBA(int [] line) throws GdalException { |
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int err = 0; |
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int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
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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, p = null; |
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GdalBuffer a = new GdalBuffer();
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while(y >= bandR.getRasterBandYSize())
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y--; |
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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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if(bandR.getRasterColorTable() != null){ |
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p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
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a.buffByte = p.buffAPalette; |
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r = new GdalBuffer();
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r.buffByte = p.buffRPalette; |
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g = new GdalBuffer();
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g.buffByte = p.buffGPalette; |
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b = new GdalBuffer();
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b.buffByte = p.buffBPalette; |
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}else{
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if(getRasterCount() == 4 && shortName.equals("PNG")){ |
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a = bandA.readRaster(x, y, w, 1, w, 1, GDT_Byte); |
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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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}else{
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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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a.buffByte = new byte[w]; |
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for (int i = 0;i < w;i++) |
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a.buffByte[i] = (byte)255; |
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} |
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} |
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lastReadLine += stepY; |
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int i=0; |
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double j = Math.abs(currentViewX - ((int)currentViewX)); |
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int alpha = (this.alpha & 0xff) << 24; |
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//try{
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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+=stepX) { |
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int jInt = (int)(j); |
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line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
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} |
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else
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for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
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int jInt = (int)(j); |
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line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 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; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
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int jInt = (int)(j); |
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line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
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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; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
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int jInt = (int)(j); |
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line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
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(((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
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(((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
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} |
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} |
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} |
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//}catch(ArrayIndexOutOfBoundsException ex){}
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return err;
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} |
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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 w = (int)(((double)currentViewWidth)*stepX); |
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int x = (int)(((double)currentViewX)*stepX); |
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int y = (int) lastReadLine; |
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int h = (int) (((double)bandH)*stepX); |
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System.out.println("Leyendo "+y); |
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GdalBuffer r = null, g = null, b = null, p = null; |
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GdalBuffer a = new GdalBuffer();
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|
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if (x+w > bandR.getRasterBandXSize())
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w = bandR.getRasterBandXSize()-x; |
429 |
|
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if(bandR.getRasterColorTable() != null){ |
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p = bandR.readRasterWithPalette(x, y, w, h, w, h, GDT_Byte); |
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a.buffByte = p.buffAPalette; |
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r = new GdalBuffer();
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r.buffByte = p.buffRPalette; |
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g = new GdalBuffer();
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436 |
g.buffByte = p.buffGPalette; |
437 |
b = new GdalBuffer();
|
438 |
b.buffByte = p.buffBPalette; |
439 |
}else{
|
440 |
if(getRasterCount() == 4 && shortName.equals("PNG")){ |
441 |
a = bandA.readRaster(x, y, w, h, w, h, GDT_Byte); |
442 |
r = bandR.readRaster(x, y, w, h, w, h, dataType); |
443 |
if (bandG != null) |
444 |
g = bandG.readRaster(x, y, w, h, w, h, dataType); |
445 |
if (bandB != null) |
446 |
b = bandB.readRaster(x, y, w, h, w, h, dataType); |
447 |
}else{
|
448 |
r = bandR.readRaster(x, y, w, h, w, h, dataType); |
449 |
if (bandG != null) |
450 |
g = bandG.readRaster(x, y, w, h, w, h, dataType); |
451 |
if (bandB != null) |
452 |
b = bandB.readRaster(x, y, w, h, w, h, dataType); |
453 |
a.buffByte = new byte[w]; |
454 |
for (int i = 0;i < w*h;i++) |
455 |
a.buffByte[i] = (byte)255; |
456 |
} |
457 |
} |
458 |
lastReadLine += ((double)bandH)*stepY;
|
459 |
|
460 |
// TODO Acabar de implementarlo
|
461 |
float k=0F; |
462 |
int alpha = (this.alpha & 0xff) << 24; |
463 |
for (int j=0, t=0; j<bandH; j++) { |
464 |
k = j*w; t=j*currentViewWidth; |
465 |
for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=stepX) { |
466 |
buf[t+i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + ((r.buffByte[(int) k]) << 16) + ((g.buffByte[(int) k]) << 8) + b.buffByte[(int) k]; |
467 |
} |
468 |
} |
469 |
|
470 |
return err;
|
471 |
|
472 |
} |
473 |
|
474 |
void pintaInfo() {
|
475 |
try {
|
476 |
//System.out.println("Origin = "+originX+","+originY);
|
477 |
//System.out.println("Origin = "+this.);
|
478 |
System.out.println("GeoTransform:"); |
479 |
GeoTransform trans = getGeoTransform(); |
480 |
for (int i=0; i<6; i++) |
481 |
System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
482 |
System.out.println("Metadata:"); |
483 |
String [] metadata = getMetadata(); |
484 |
for (int i=0; i<metadata.length; i++) { |
485 |
System.out.println(metadata[i]);
|
486 |
} |
487 |
} catch (GdalException e) {
|
488 |
|
489 |
} |
490 |
|
491 |
} |
492 |
|
493 |
void pintaPaleta() {
|
494 |
} |
495 |
|
496 |
public int getBlockSize(){ |
497 |
return this.getBlockSize(); |
498 |
} |
499 |
} |
500 |
|
501 |
/**
|
502 |
* @author Luis W. Sevilla
|
503 |
*/
|
504 |
public class GdalFile extends GeoRasterFile { |
505 |
public final static int BAND_HEIGHT = 64; |
506 |
protected GdalNative file = null; |
507 |
|
508 |
private Extent v = null; |
509 |
|
510 |
static {
|
511 |
GeoRasterFile.registerExtension("bmp", GdalFile.class);
|
512 |
GeoRasterFile.registerExtension("gif", GdalFile.class);
|
513 |
GeoRasterFile.registerExtension("img", GdalFile.class);
|
514 |
GeoRasterFile.registerExtension("tif", GdalFile.class);
|
515 |
GeoRasterFile.registerExtension("tiff", GdalFile.class);
|
516 |
GeoRasterFile.registerExtension("jpg", GdalFile.class);
|
517 |
GeoRasterFile.registerExtension("png", GdalFile.class);
|
518 |
} |
519 |
|
520 |
public GdalFile(IProjection proj, String fName){ |
521 |
super(proj, fName);
|
522 |
extent = new Extent();
|
523 |
try {
|
524 |
file = new GdalNative(fName);
|
525 |
load(); |
526 |
showOnOpen(); |
527 |
bandCount = file.getRasterCount(); |
528 |
if ( bandCount > 2) { |
529 |
setBand(RED_BAND, 0);
|
530 |
setBand(GREEN_BAND, 1);
|
531 |
setBand(BLUE_BAND, 2);
|
532 |
} else
|
533 |
setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
534 |
} catch(Exception e){ |
535 |
System.out.println("Error en GdalOpen"); |
536 |
e.printStackTrace(); |
537 |
file = null;
|
538 |
} |
539 |
|
540 |
switch(file.getDataType()){
|
541 |
case 1:setDataType(DataBuffer.TYPE_BYTE);break;//GDT_BYTE |
542 |
case 2://GDT_UInt16 |
543 |
case 3:setDataType(DataBuffer.TYPE_SHORT);break;//GDT_Int16 |
544 |
case 4://GDT_UInt32 |
545 |
case 5:setDataType(DataBuffer.TYPE_INT);break;//GDT_Int32 |
546 |
case 6:setDataType(DataBuffer.TYPE_FLOAT);break;//GDT_Float32 |
547 |
case 7:setDataType(DataBuffer.TYPE_DOUBLE);break;//GDT_Float64 |
548 |
case 8:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt16 |
549 |
case 9:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt32 |
550 |
case 10:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat32 |
551 |
case 11:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat64 |
552 |
} |
553 |
|
554 |
} |
555 |
|
556 |
/**
|
557 |
* Obtenemos o calculamos el extent de la imagen.
|
558 |
*/
|
559 |
public GeoFile load() {
|
560 |
|
561 |
extent = new Extent(file.esq.minX, file.esq.minY, file.esq.maxX, file.esq.maxY);
|
562 |
|
563 |
return this; |
564 |
} |
565 |
|
566 |
/**
|
567 |
* Cierra el fichero de imagen
|
568 |
*/
|
569 |
public void close() { |
570 |
try {
|
571 |
if(file != null){ |
572 |
file.close(); |
573 |
file = null;
|
574 |
} |
575 |
} catch (GdalException e) {
|
576 |
// TODO Auto-generated catch block
|
577 |
e.printStackTrace(); |
578 |
} |
579 |
} |
580 |
|
581 |
/**
|
582 |
* Asigna a cada banda R,G o B una banda de la imagen
|
583 |
*/
|
584 |
public void setBand(int flag, int bandNr) { |
585 |
super.setBand(flag, bandNr);
|
586 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
587 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
588 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
589 |
} |
590 |
|
591 |
/**
|
592 |
* Asigna el extent de la vista actual
|
593 |
*/
|
594 |
public void setView(Extent e) { |
595 |
v = new Extent(e);
|
596 |
} |
597 |
|
598 |
/**
|
599 |
* Obtiene extent de la vista actual
|
600 |
*/
|
601 |
public Extent getView() {
|
602 |
return v;
|
603 |
} |
604 |
|
605 |
/**
|
606 |
* Obtiene la anchura del fichero
|
607 |
*/
|
608 |
public int getWidth() { |
609 |
return file.width;
|
610 |
} |
611 |
|
612 |
/**
|
613 |
* Obtiene la altura del fichero
|
614 |
*/
|
615 |
public int getHeight() { |
616 |
return file.height;
|
617 |
} |
618 |
|
619 |
/* (non-Javadoc)
|
620 |
* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
621 |
*/
|
622 |
public void reProject(ICoordTrans rp) { |
623 |
// TODO Auto-generated method stub
|
624 |
|
625 |
} |
626 |
|
627 |
/* (non-Javadoc)
|
628 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
629 |
*/
|
630 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
631 |
int line, pRGBArray[] = null; |
632 |
Image image = null; |
633 |
|
634 |
if (mustVerifySize()) {
|
635 |
// Work out the correct aspect for the setView call.
|
636 |
double dFileAspect = (double)v.width()/(double)v.height(); |
637 |
double dWindowAspect = (double)width /(double)height; |
638 |
|
639 |
if (dFileAspect > dWindowAspect) {
|
640 |
height =(int)((double)width/dFileAspect); |
641 |
} else {
|
642 |
width = (int)((double)height*dFileAspect); |
643 |
} |
644 |
} |
645 |
|
646 |
// Set the view
|
647 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
648 |
width, height); |
649 |
|
650 |
if(width<=0)width=1; |
651 |
if(height<=0)height=1; |
652 |
|
653 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
654 |
//image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
655 |
pRGBArray = new int[width/**BAND_HEIGHT*/]; |
656 |
try {
|
657 |
//int nLin = height % BAND_HEIGHT;
|
658 |
file.setAlpha(getAlpha()); |
659 |
setBand(RED_BAND, rBandNr); |
660 |
setBand(GREEN_BAND, gBandNr); |
661 |
setBand(BLUE_BAND, bBandNr); |
662 |
for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
663 |
//int bandH = Math.min(BAND_HEIGHT, height-line);
|
664 |
//file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
665 |
file.readLineRGBA(pRGBArray); |
666 |
setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
667 |
} |
668 |
} catch (Exception e) { |
669 |
// TODO Auto-generated catch block
|
670 |
e.printStackTrace(); |
671 |
} |
672 |
|
673 |
return image;
|
674 |
} |
675 |
|
676 |
public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
677 |
int line;
|
678 |
RasterBuf raster = null;
|
679 |
|
680 |
if(mustVerifySize()){
|
681 |
// Work out the correct aspect for the setView call.
|
682 |
double dFileAspect = (double)v.width()/(double)v.height(); |
683 |
double dWindowAspect = (double)width /(double)height; |
684 |
|
685 |
if (dFileAspect > dWindowAspect) {
|
686 |
height =(int)((double)width/dFileAspect); |
687 |
} else {
|
688 |
width = (int)((double)height*dFileAspect); |
689 |
} |
690 |
} |
691 |
|
692 |
// Set the view
|
693 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
694 |
width, height); |
695 |
|
696 |
raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0)); |
697 |
try {
|
698 |
//int nLin = height % BAND_HEIGHT;
|
699 |
file.setAlpha(getAlpha()); |
700 |
setBand(RED_BAND, rBandNr); |
701 |
setBand(GREEN_BAND, gBandNr); |
702 |
setBand(BLUE_BAND, bBandNr); |
703 |
for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
704 |
file.readLine(raster.getLineInt(line)); |
705 |
} |
706 |
} catch (Exception e) { |
707 |
// TODO Auto-generated catch block
|
708 |
e.printStackTrace(); |
709 |
} |
710 |
|
711 |
return raster;
|
712 |
} |
713 |
|
714 |
/**
|
715 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
716 |
* vector de enteros.
|
717 |
* @param image imagen con los datos actuales
|
718 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
719 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
720 |
* @param w Ancho de la imagen
|
721 |
* @param h Alto de la imagen
|
722 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
723 |
* @param offset desplazamiento
|
724 |
* @param scansize tama?o de imagen recorrida por cada p
|
725 |
*/
|
726 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
727 |
int offset, int scansize) { |
728 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
729 |
} |
730 |
|
731 |
/**
|
732 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
733 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
734 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
735 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
736 |
* @param image imagen con los datos actuales
|
737 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
738 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
739 |
* @param w Ancho de la imagen
|
740 |
* @param h Alto de la imagen
|
741 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
742 |
* @param offset desplazamiento
|
743 |
* @param scansize tama?o de imagen recorrida por cada paso
|
744 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
745 |
*/
|
746 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
747 |
int offset, int scansize, int flags) { |
748 |
int [] line = new int[rgbArray.length]; |
749 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
750 |
if (flags == GeoRasterFile.RED_BAND)
|
751 |
for (int i=0; i<line.length; i++) |
752 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
753 |
else if (flags == GeoRasterFile.GREEN_BAND) |
754 |
for (int i=0; i<line.length; i++) |
755 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
756 |
else if (flags == GeoRasterFile.BLUE_BAND) |
757 |
for (int i=0; i<line.length; i++) |
758 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
759 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
760 |
} |
761 |
|
762 |
/**
|
763 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
764 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
765 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
766 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
767 |
* @param image imagen con los datos actuales
|
768 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
769 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
770 |
* @param w Ancho de la imagen
|
771 |
* @param h Alto de la imagen
|
772 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
773 |
* @param offset desplazamiento
|
774 |
* @param scansize tama?o de imagen recorrida por cada paso
|
775 |
* @param origBand Banda origen del GeoRasterFile
|
776 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
777 |
*/
|
778 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
779 |
int offset, int scansize, int origBand, int destBandFlag) { |
780 |
int [] line = new int[rgbArray.length]; |
781 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
782 |
if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
783 |
for (int i=0; i<line.length; i++) |
784 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
785 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
786 |
for (int i=0; i<line.length; i++) |
787 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
788 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
789 |
for (int i=0; i<line.length; i++) |
790 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
791 |
|
792 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
793 |
for (int i=0; i<line.length; i++) |
794 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
795 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
796 |
for (int i=0; i<line.length; i++) |
797 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
798 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
799 |
for (int i=0; i<line.length; i++) |
800 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
801 |
|
802 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
803 |
for (int i=0; i<line.length; i++) |
804 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
805 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
806 |
for (int i=0; i<line.length; i++) |
807 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
808 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
809 |
for (int i=0; i<line.length; i++) |
810 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
811 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
812 |
} |
813 |
|
814 |
private void showOnOpen() { |
815 |
// Report en la apertura (quitar)
|
816 |
System.out.println("Fichero GDAL '"+getName()+"' abierto."); |
817 |
System.out.println("Version = "+file.version); |
818 |
System.out.println(" Size = ("+file.width+","+file.height+")"); |
819 |
try {
|
820 |
System.out.println(" NumBands = ("+file.getRasterCount()+")"); |
821 |
} catch (GdalException e) {
|
822 |
// TODO Auto-generated catch block
|
823 |
e.printStackTrace(); |
824 |
} |
825 |
//file.pintaInfo();
|
826 |
file.pintaPaleta(); |
827 |
|
828 |
} |
829 |
|
830 |
/* (non-Javadoc)
|
831 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
832 |
*/
|
833 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
834 |
int line, pRGBArray[] = null; |
835 |
|
836 |
if(mustVerifySize()){
|
837 |
// Work out the correct aspect for the setView call.
|
838 |
double dFileAspect = (double)v.width()/(double)v.height(); |
839 |
double dWindowAspect = (double)width /(double)height; |
840 |
|
841 |
if (dFileAspect > dWindowAspect) {
|
842 |
height =(int)((double)width/dFileAspect); |
843 |
} else {
|
844 |
width = (int)((double)height*dFileAspect); |
845 |
} |
846 |
} |
847 |
|
848 |
// Set the view
|
849 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
850 |
width, height); |
851 |
|
852 |
if(width<=0)width=1; |
853 |
if(height<=0)height=1; |
854 |
|
855 |
pRGBArray = new int[width/**BAND_HEIGHT*/]; |
856 |
try {
|
857 |
setBand(RED_BAND, rBandNr); |
858 |
setBand(GREEN_BAND, gBandNr); |
859 |
setBand(BLUE_BAND, bBandNr); |
860 |
file.setAlpha(getAlpha()); |
861 |
if(img!=null){ |
862 |
for (line=0; line < height; line++) { |
863 |
file.readLineRGBA(pRGBArray); |
864 |
setRGBLine((BufferedImage) img, 0, line, width, 1/*bandH*/, pRGBArray, 0, width, origBand, destBandFlag); |
865 |
} |
866 |
return img;
|
867 |
}else{
|
868 |
Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
869 |
for (line=0; line < height; line++) { |
870 |
file.readLineRGBA(pRGBArray); |
871 |
setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
872 |
} |
873 |
return image;
|
874 |
} |
875 |
} catch (Exception e) { |
876 |
// TODO Auto-generated catch block
|
877 |
e.printStackTrace(); |
878 |
} |
879 |
|
880 |
return img;
|
881 |
} |
882 |
|
883 |
/* (non-Javadoc)
|
884 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
885 |
*/
|
886 |
public Object getData(int x, int y, int band) { |
887 |
// TODO Auto-generated method stub
|
888 |
return null; |
889 |
} |
890 |
|
891 |
/**
|
892 |
* Devuelve los datos de una ventana solicitada
|
893 |
* @param ulX coordenada X superior izda.
|
894 |
* @param ulY coordenada Y superior derecha.
|
895 |
* @param sizeX tama?o en X de la ventana.
|
896 |
* @param sizeY tama?o en Y de la ventana.
|
897 |
* @param band Banda solicitada.
|
898 |
*/
|
899 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
900 |
|
901 |
return null; |
902 |
} |
903 |
|
904 |
/**
|
905 |
* Obtiene la zona (Norte / Sur)
|
906 |
* @return true si la zona es norte y false si es sur
|
907 |
*/
|
908 |
|
909 |
public boolean getZone(){ |
910 |
|
911 |
return false; |
912 |
} |
913 |
|
914 |
/**
|
915 |
*Devuelve el n?mero de zona UTM
|
916 |
*@return N?mero de zona
|
917 |
*/
|
918 |
|
919 |
public int getUTM(){ |
920 |
|
921 |
return 0; |
922 |
} |
923 |
|
924 |
/**
|
925 |
* Obtiene el sistema de coordenadas geograficas
|
926 |
* @return Sistema de coordenadas geogr?ficas
|
927 |
*/
|
928 |
public String getGeogCS(){ |
929 |
|
930 |
return new String(""); |
931 |
} |
932 |
/**
|
933 |
* Devuelve el tama?o de bloque
|
934 |
* @return Tama?o de bloque
|
935 |
*/
|
936 |
public int getBlockSize(){ |
937 |
//TODO Nacho: Implementar getBlockSize de EcwFile
|
938 |
return file.getBlockSize();
|
939 |
} |
940 |
} |
941 |
|
942 |
|