svn-gvsig-desktop / tags / v1_1_Build_1010 / libraries / libCq_CMS_praster / src / org / cresques / io / GdalFile.java @ 12804
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.io; |
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import java.awt.Image; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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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.data.BandList; |
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import org.cresques.io.data.RasterBuf; |
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import org.cresques.io.datastruct.Metadata; |
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import org.cresques.io.exceptions.NotSupportedExtensionException; |
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import org.cresques.io.exceptions.SupersamplingNotSupportedException; |
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import org.cresques.px.Extent; |
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import org.cresques.util.Utilities; |
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import es.gva.cit.jgdal.GdalException; |
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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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/**
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* Tama?o de pixel para las imagenes con fichero RMF. No podemos salvarlo en file porque es necesario conocer el
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* tama?o de pixel asignado por rl .rmf y el tama?o de pixel real.
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*/
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private double pixelSizeX = 0D, pixelSizeY = 0D; |
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private Extent v = null; |
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public GdalFile(IProjection proj, String fName, boolean hdf){ |
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super(proj, fName);
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} |
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public GdalFile(IProjection proj, String fName)throws NotSupportedExtensionException{ |
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super(proj, fName);
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extent = new Extent();
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try {
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file = new GdalNative(fName, this); |
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load(); |
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readGeoInfo(fName); |
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bandCount = file.getRasterCount(); |
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if ( bandCount > 2) { |
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setBand(RED_BAND, 0);
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setBand(GREEN_BAND, 1);
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setBand(BLUE_BAND, 2);
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} else
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setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
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} catch (GdalException e) {
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throw new NotSupportedExtensionException("Extension not supported"); |
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} catch(Exception e){ |
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System.out.println("Error en GdalOpen"); |
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e.printStackTrace(); |
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file = null;
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} |
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//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf
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setDataType(org.cresques.util.Utilities.getRasterBufTypeFromGdalType(file.getDataType())); |
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} |
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/**
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* Obtenemos o calculamos el extent de la imagen.
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*/
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public GeoFile load() {
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extent = new Extent(file.bBoxRot.minX, file.bBoxRot.minY, file.bBoxRot.maxX, file.bBoxRot.maxY);
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requestExtent = new Extent(file.bBoxWithoutRot.minX, file.bBoxWithoutRot.minY, file.bBoxWithoutRot.maxX, file.bBoxWithoutRot.maxY);
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return this; |
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} |
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/**
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* Cierra el fichero de imagen
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*/
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public void close() { |
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try {
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if(file != null){ |
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file.close(); |
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file = null;
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} |
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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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} |
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/**
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* Asigna a cada banda R,G o B una banda de la imagen
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*/
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public void setBand(int flag, int bandNr) { |
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super.setBand(flag, bandNr);
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if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
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if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
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if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
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} |
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/**
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* Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n
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* de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v)
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* ha de estar en coordenadas del fichero.
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*/
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public void setView(Extent e) { |
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if(rmfExists){
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Point2D.Double petInit = null, petEnd = null; |
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try{
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petInit = new Point2D.Double(e.minX(), e.maxY()); |
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petEnd = new Point2D.Double(e.maxX(), e.minY()); |
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transformRMF.inverseTransform(petInit, petInit); |
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transformRMF.inverseTransform(petEnd, petEnd); |
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transformTFW.transform(petInit, petInit); |
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transformTFW.transform(petEnd, petEnd); |
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}catch(NoninvertibleTransformException ex){} |
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double h = file.bBoxWithoutRot.maxY - file.bBoxWithoutRot.minY;
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if(!file.isGeoreferenced())
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v = new Extent( petInit.getX(), h - petInit.getY(), petEnd.getX(), h - petEnd.getY());
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else
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v = new Extent( petInit.getX(), petInit.getY(), petEnd.getX(), petEnd.getY());
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}else
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v = new Extent(e.minX(), e.minY(), e.maxX(), e.maxY());
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} |
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/**
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* Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
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* asociado. En Gdal el origen de coordenadas en Y es el valor m?nimo y crece hasta el m?ximo. De la
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* misma forma calcula la matriz de transformaci?n de la cabecera del fichero o del world file asociado
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* @param originX Origen de la imagen en la coordenada X
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* @param originY Origen de la imagen en la coordenada Y
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*/
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public void setExtentTransform(double originX, double originY, double psX, double psY) { |
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transformRMF.setToTranslation(originX, originY); |
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transformRMF.scale(psX, psY); |
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if(file.trans != null){ |
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transformTFW.setToTranslation(file.trans.adfgeotransform[0], file.trans.adfgeotransform[3]); |
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transformTFW.scale(file.trans.adfgeotransform[1], file.trans.adfgeotransform[5]); |
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} |
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} |
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/**
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* Obtiene extent de la vista actual
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*/
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public Extent getView() {
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return v;
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} |
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/**
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* Obtiene la anchura del fichero
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*/
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public int getWidth() { |
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return file.width;
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} |
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/**
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* Obtiene la altura del fichero
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*/
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public int getHeight() { |
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return file.height;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
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*/
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public void reProject(ICoordTrans rp) { |
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// TODO Auto-generated method stub
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} |
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/**
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* Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder
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* asignarlo en el setView. Esto es util para poder conocer como debe leerse la image,
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* de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda.
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* La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose
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* en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son:
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* <UL>
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* <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
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* <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
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* <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
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* <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
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* </UL>
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*
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* @return
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*/
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private boolean[] getOrientation(){ |
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boolean[] orientation = {true, false}; |
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if(!rmfExists){
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if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[5] > 0) |
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orientation[1] = true; |
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if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[1] < 0) |
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orientation[0] = false; |
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}else{
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if(rmfTransform.getScaleY() > 0) |
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orientation[1] = true; |
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if(rmfTransform.getScaleX() < 0) |
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orientation[0] = false; |
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} |
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return orientation;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
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*/
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public Image updateImage(int width, int height, ICoordTrans rp) { |
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int line, pRGBArray[] = null; |
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Image image = null; |
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if (mustVerifySize()) {
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// Work out the correct aspect for the setView call.
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double dFileAspect = (double)v.width()/(double)v.height(); |
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double dWindowAspect = (double)width /(double)height; |
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if (dFileAspect > dWindowAspect) {
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height =(int)((double)width/dFileAspect); |
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} else {
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width = (int)((double)height*dFileAspect); |
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} |
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} |
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// Set the view
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file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height, getOrientation()); |
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setStep(file.stepArrayX, file.stepArrayY); |
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if(width<=0)width=1; |
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if(height<=0)height=1; |
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image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
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//image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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pRGBArray = new int[width/**BAND_HEIGHT*/]; |
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try {
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//int nLin = height % BAND_HEIGHT;
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file.setAlpha(getAlpha()); |
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setBand(RED_BAND, rBandNr); |
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setBand(GREEN_BAND, gBandNr); |
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setBand(BLUE_BAND, bBandNr); |
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for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
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//int bandH = Math.min(BAND_HEIGHT, height-line);
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//file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
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file.readLineRGBA(pRGBArray); |
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setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
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} |
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} catch (Exception e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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return image;
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} |
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public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
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int line;
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RasterBuf raster = null;
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if(mustVerifySize()){
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// Work out the correct aspect for the setView call.
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double dFileAspect = (double)v.width()/(double)v.height(); |
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double dWindowAspect = (double)width /(double)height; |
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if (dFileAspect > dWindowAspect) {
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height =(int)((double)width/dFileAspect); |
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} else {
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width = (int)((double)height*dFileAspect); |
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} |
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} |
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// Set the view
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boolean[] orientation = getOrientation(); |
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file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
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width, height, orientation); |
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setStep(file.stepArrayX, file.stepArrayY); |
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try {
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//Esta funci?n se usa para la renderizaci?n, por eso se crean 4 bandas a pi?on fijo
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raster = new RasterBuf(getDataType(), width, height, 4, true); |
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file.setAlpha(getAlpha()); |
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setBand(RED_BAND, rBandNr); |
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setBand(GREEN_BAND, gBandNr); |
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setBand(BLUE_BAND, bBandNr); |
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switch(getDataType()){
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case RasterBuf.TYPE_BYTE:
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for (line = 0; line < height; line++) |
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file.readLine(raster.getLineByte(line)); |
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break;
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case RasterBuf.TYPE_SHORT:;
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for (line = 0; line < height; line++) |
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file.readLine(raster.getLineShort(line)); |
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break;
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case RasterBuf.TYPE_INT:
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for (line = 0; line < height; line++) |
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file.readLine(raster.getLineInt(line)); |
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break;
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case RasterBuf.TYPE_FLOAT:
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for (line = 0; line < height; line++) |
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file.readLine(raster.getLineFloat(line)); |
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break;
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case RasterBuf.TYPE_DOUBLE:
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for (line = 0; line < height; line++) |
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file.readLine(raster.getLineDouble(line)); |
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break;
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case RasterBuf.TYPE_UNDEFINED:break; |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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return raster;
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} |
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/**
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* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
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* vector de enteros.
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* @param image imagen con los datos actuales
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* @param startX inicio de la posici?n en X dentro de la imagen
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* @param startY inicio de la posici?n en X dentro de la imagen
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* @param w Ancho de la imagen
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* @param h Alto de la imagen
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* @param rgbArray vector que contiene la banda que se va a sustituir
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* @param offset desplazamiento
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* @param scansize tama?o de imagen recorrida por cada p
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*/
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protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
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int offset, int scansize) { |
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image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
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} |
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/**
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* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
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* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
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* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
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* banda correspondiente a flags es sustituida por los datos del vector.
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* @param image imagen con los datos actuales
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* @param startX inicio de la posici?n en X dentro de la imagen
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* @param startY inicio de la posici?n en X dentro de la imagen
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* @param w Ancho de la imagen
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* @param h Alto de la imagen
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* @param rgbArray vector que contiene la banda que se va a sustituir
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* @param offset desplazamiento
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* @param scansize tama?o de imagen recorrida por cada paso
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* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
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*/
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protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
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int offset, int scansize, int flags) { |
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int [] line = new int[rgbArray.length]; |
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image.getRGB(startX, startY, w, h, line, offset, scansize); |
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if (flags == GeoRasterFile.RED_BAND)
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for (int i=0; i<line.length; i++) |
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line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
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else if (flags == GeoRasterFile.GREEN_BAND) |
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for (int i=0; i<line.length; i++) |
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line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
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else if (flags == GeoRasterFile.BLUE_BAND) |
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for (int i=0; i<line.length; i++) |
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line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
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image.setRGB(startX, startY, w, h, line, offset, scansize); |
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} |
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/**
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* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
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* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
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* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
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* banda correspondiente a flags es sustituida por los datos del vector.
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* @param image imagen con los datos actuales
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* @param startX inicio de la posici?n en X dentro de la imagen
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* @param startY inicio de la posici?n en X dentro de la imagen
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* @param w Ancho de la imagen
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* @param h Alto de la imagen
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* @param rgbArray vector que contiene la banda que se va a sustituir
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* @param offset desplazamiento
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* @param scansize tama?o de imagen recorrida por cada paso
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* @param origBand Banda origen del GeoRasterFile
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* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
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*/
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protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
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int offset, int scansize, int origBand, int destBandFlag) { |
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int [] line = new int[rgbArray.length]; |
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image.getRGB(startX, startY, w, h, line, offset, scansize); |
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if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
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for (int i=0; i<line.length; i++) |
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line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
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else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
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for (int i=0; i<line.length; i++) |
| 409 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 410 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 411 |
for (int i=0; i<line.length; i++) |
| 412 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 413 |
|
| 414 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 415 |
for (int i=0; i<line.length; i++) |
| 416 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
| 417 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 418 |
for (int i=0; i<line.length; i++) |
| 419 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
| 420 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
| 421 |
for (int i=0; i<line.length; i++) |
| 422 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
| 423 |
|
| 424 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 425 |
for (int i=0; i<line.length; i++) |
| 426 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
| 427 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
| 428 |
for (int i=0; i<line.length; i++) |
| 429 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
| 430 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 431 |
for (int i=0; i<line.length; i++) |
| 432 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
| 433 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 434 |
} |
| 435 |
|
| 436 |
private void showOnOpen() { |
| 437 |
// Report en la apertura (quitar)
|
| 438 |
System.out.println("Fichero GDAL '"+getName()+"' abierto."); |
| 439 |
System.out.println("Version = "+file.version); |
| 440 |
System.out.println(" Size = ("+file.width+","+file.height+")"); |
| 441 |
try {
|
| 442 |
System.out.println(" NumBands = ("+file.getRasterCount()+")"); |
| 443 |
} catch (GdalException e) {
|
| 444 |
// TODO Auto-generated catch block
|
| 445 |
e.printStackTrace(); |
| 446 |
} |
| 447 |
//file.pintaInfo();
|
| 448 |
file.pintaPaleta(); |
| 449 |
|
| 450 |
} |
| 451 |
|
| 452 |
/* (non-Javadoc)
|
| 453 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
| 454 |
*/
|
| 455 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
| 456 |
int line, pRGBArray[] = null; |
| 457 |
|
| 458 |
if(mustVerifySize()){
|
| 459 |
// Work out the correct aspect for the setView call.
|
| 460 |
double dFileAspect = (double)v.width()/(double)v.height(); |
| 461 |
double dWindowAspect = (double)width /(double)height; |
| 462 |
|
| 463 |
if (dFileAspect > dWindowAspect) {
|
| 464 |
height =(int)((double)width/dFileAspect); |
| 465 |
} else {
|
| 466 |
width = (int)((double)height*dFileAspect); |
| 467 |
} |
| 468 |
} |
| 469 |
|
| 470 |
// Set the view
|
| 471 |
boolean[] orientation = getOrientation(); |
| 472 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 473 |
width, height, orientation); |
| 474 |
setStep(file.stepArrayX, file.stepArrayY); |
| 475 |
|
| 476 |
if(width<=0)width=1; |
| 477 |
if(height<=0)height=1; |
| 478 |
|
| 479 |
pRGBArray = new int[width]; |
| 480 |
try {
|
| 481 |
setBand(RED_BAND, rBandNr); |
| 482 |
setBand(GREEN_BAND, gBandNr); |
| 483 |
setBand(BLUE_BAND, bBandNr); |
| 484 |
file.setAlpha(getAlpha()); |
| 485 |
if(img!=null){ |
| 486 |
if(orientation[1]){ |
| 487 |
for (line=0; line < height; line++) { |
| 488 |
file.readLineRGBA(pRGBArray); |
| 489 |
setRGBLine((BufferedImage) img, 0, height - 1 - line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
| 490 |
} |
| 491 |
}else{
|
| 492 |
for (line=0; line < height; line++) { |
| 493 |
file.readLineRGBA(pRGBArray); |
| 494 |
setRGBLine((BufferedImage) img, 0, line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
| 495 |
} |
| 496 |
} |
| 497 |
return img;
|
| 498 |
}else{
|
| 499 |
Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 500 |
if(orientation[1]){ |
| 501 |
for (line=0; line < height; line++) { |
| 502 |
file.readLineRGBA(pRGBArray); |
| 503 |
setRGBLine((BufferedImage) image, 0, height - 1 - line, width, 1, pRGBArray, 0, width); |
| 504 |
} |
| 505 |
}else{
|
| 506 |
for (line=0; line < height; line++) { |
| 507 |
file.readLineRGBA(pRGBArray); |
| 508 |
setRGBLine((BufferedImage) image, 0, line, width, 1, pRGBArray, 0, width); |
| 509 |
} |
| 510 |
} |
| 511 |
return image;
|
| 512 |
} |
| 513 |
} catch (Exception e) { |
| 514 |
// TODO Auto-generated catch block
|
| 515 |
e.printStackTrace(); |
| 516 |
} |
| 517 |
|
| 518 |
return img;
|
| 519 |
} |
| 520 |
|
| 521 |
/* (non-Javadoc)
|
| 522 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 523 |
*/
|
| 524 |
public Object getData(int x, int y, int band) { |
| 525 |
if(file != null){ |
| 526 |
Object[] data = file.getData(x, y); |
| 527 |
return data[band];
|
| 528 |
} |
| 529 |
return null; |
| 530 |
} |
| 531 |
|
| 532 |
/**
|
| 533 |
* Devuelve los datos de una ventana solicitada
|
| 534 |
* @param ulX coordenada X superior izda.
|
| 535 |
* @param ulY coordenada Y superior derecha.
|
| 536 |
* @param sizeX tama?o en X de la ventana.
|
| 537 |
* @param sizeY tama?o en Y de la ventana.
|
| 538 |
* @param band Banda solicitada.
|
| 539 |
*/
|
| 540 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
| 541 |
|
| 542 |
return null; |
| 543 |
} |
| 544 |
|
| 545 |
public RasterBuf getWindowRaster(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
| 546 |
Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
| 547 |
setView(selectedExtent); |
| 548 |
|
| 549 |
int width = 0; |
| 550 |
int height = 0; |
| 551 |
if(file.trans != null){ |
| 552 |
width = (int)Math.abs(selectedExtent.width() / file.trans.adfgeotransform[1]);//(int)(selectedExtent.width() * file.width) / extent.width(); |
| 553 |
height = (int)Math.abs(selectedExtent.height() / file.trans.adfgeotransform[5]); |
| 554 |
}else{
|
| 555 |
width = (int)Math.abs(selectedExtent.width()); |
| 556 |
height = (int)Math.abs(selectedExtent.height()); |
| 557 |
} |
| 558 |
|
| 559 |
try {
|
| 560 |
file.readWindow(rasterBuf, bandList, x, y, width, height); |
| 561 |
} catch (Exception e) { |
| 562 |
e.printStackTrace(); |
| 563 |
} |
| 564 |
|
| 565 |
return rasterBuf;
|
| 566 |
} |
| 567 |
|
| 568 |
/*
|
| 569 |
* (non-Javadoc)
|
| 570 |
* @see org.gvsig.fmap.driver.GeoRasterFile#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.driver.BandList, org.gvsig.fmap.driver.IBuffer)
|
| 571 |
*/
|
| 572 |
public RasterBuf getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, RasterBuf rasterBuf) { |
| 573 |
Extent selectedExtent = new Extent(minX, minY, maxX, maxY);
|
| 574 |
setView(selectedExtent); |
| 575 |
|
| 576 |
double width = 0; |
| 577 |
double height = 0; |
| 578 |
if(getTransform() != null){ |
| 579 |
width = (double)(Math.abs(selectedExtent.width() / getTransform()[1]));//(int)(selectedExtent.width() * file.width) / extent.width(); |
| 580 |
height = (double)(Math.abs(selectedExtent.height() / getTransform()[5])); |
| 581 |
}else{
|
| 582 |
width = (double)Math.abs(selectedExtent.width()); |
| 583 |
height = (double)Math.abs(selectedExtent.height()); |
| 584 |
} |
| 585 |
|
| 586 |
try {
|
| 587 |
file.readWindow(rasterBuf, bandList, minX, maxY, maxX, minY, width, height, bufWidth, bufHeight); |
| 588 |
} catch (Exception e) { |
| 589 |
e.printStackTrace(); |
| 590 |
} |
| 591 |
|
| 592 |
return rasterBuf;
|
| 593 |
} |
| 594 |
|
| 595 |
public RasterBuf getWindowRaster(int x, int y, int w, int h, BandList bandList, RasterBuf rasterBuf) { |
| 596 |
try {
|
| 597 |
setView( |
| 598 |
new Extent( Utilities.getMapRectFromPxRect(getExtent().toRectangle2D(), |
| 599 |
getWidth(), |
| 600 |
getHeight(), |
| 601 |
new Rectangle2D.Double(x, y, w, h))) |
| 602 |
); |
| 603 |
file.readWindow(rasterBuf, bandList, x, y, w, h); |
| 604 |
} catch (Exception e) { |
| 605 |
e.printStackTrace(); |
| 606 |
} |
| 607 |
return rasterBuf;
|
| 608 |
} |
| 609 |
|
| 610 |
public RasterBuf getWindowRasterWithNoData(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
| 611 |
Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
| 612 |
setView(selectedExtent); |
| 613 |
|
| 614 |
try {
|
| 615 |
file.readWindowWithNoData(rasterBuf, bandList, x, y, x + w, y - h, rasterBuf.getWidth(), rasterBuf.getHeight()); |
| 616 |
} catch (Exception e) { |
| 617 |
e.printStackTrace(); |
| 618 |
} |
| 619 |
|
| 620 |
return rasterBuf;
|
| 621 |
} |
| 622 |
|
| 623 |
/**
|
| 624 |
* Obtiene la zona (Norte / Sur)
|
| 625 |
* @return true si la zona es norte y false si es sur
|
| 626 |
*/
|
| 627 |
|
| 628 |
public boolean getZone(){ |
| 629 |
|
| 630 |
return false; |
| 631 |
} |
| 632 |
|
| 633 |
/**
|
| 634 |
*Devuelve el n?mero de zona UTM
|
| 635 |
*@return N?mero de zona
|
| 636 |
*/
|
| 637 |
|
| 638 |
public int getUTM(){ |
| 639 |
|
| 640 |
return 0; |
| 641 |
} |
| 642 |
|
| 643 |
/**
|
| 644 |
* Obtiene el sistema de coordenadas geograficas
|
| 645 |
* @return Sistema de coordenadas geogr?ficas
|
| 646 |
*/
|
| 647 |
public String getGeogCS(){ |
| 648 |
return new String(""); |
| 649 |
} |
| 650 |
|
| 651 |
/**
|
| 652 |
* Devuelve el tama?o de bloque
|
| 653 |
* @return Tama?o de bloque
|
| 654 |
*/
|
| 655 |
public int getBlockSize(){ |
| 656 |
if(file != null) |
| 657 |
return file.getBlockSize();
|
| 658 |
else
|
| 659 |
return 0; |
| 660 |
} |
| 661 |
|
| 662 |
/**
|
| 663 |
* Obtiene el objeto que contiene los metadatos
|
| 664 |
*/
|
| 665 |
public Metadata getMetadata() {
|
| 666 |
if(file != null) |
| 667 |
return file.getMetadataJavaObject();
|
| 668 |
else
|
| 669 |
return null; |
| 670 |
} |
| 671 |
|
| 672 |
/**
|
| 673 |
* Obtiene el flag que dice si la imagen est? o no georreferenciada
|
| 674 |
* @return true si est? georreferenciada y false si no lo est?.
|
| 675 |
*/
|
| 676 |
public boolean isGeoreferenced() { |
| 677 |
if(file != null) |
| 678 |
return file.isGeoreferenced();
|
| 679 |
else
|
| 680 |
return false; |
| 681 |
} |
| 682 |
|
| 683 |
/**
|
| 684 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
| 685 |
* el valor de esta variable cada vez que dibuja.
|
| 686 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
| 687 |
*/
|
| 688 |
public boolean isSupersampling() { |
| 689 |
if(file != null) |
| 690 |
return file.isSupersampling;
|
| 691 |
else
|
| 692 |
return false; |
| 693 |
} |
| 694 |
|
| 695 |
/**
|
| 696 |
* Obtiene los par?metros de la transformaci?n af?n que corresponde con los elementos de
|
| 697 |
* un fichero tfw.
|
| 698 |
* <UL>
|
| 699 |
* <LI>[1]tama?o de pixel en X</LI>
|
| 700 |
* <LI>[2]rotaci?n en X</LI>
|
| 701 |
* <LI>[4]rotaci?n en Y</LI>
|
| 702 |
* <LI>[5]tama?o de pixel en Y</LI>
|
| 703 |
* <LI>[0]origen en X</LI>
|
| 704 |
* <LI>[3]origen en Y</LI>
|
| 705 |
* </UL>
|
| 706 |
* Este m?todo debe ser reimplementado por el driver si tiene esta informaci?n. En principio
|
| 707 |
* Gdal es capaz de proporcionarla de esta forma.
|
| 708 |
*
|
| 709 |
* En caso de que exista fichero .rmf asociado al raster pasaremos de la informaci?n de georreferenciaci?n
|
| 710 |
* del .tfw y devolveremos la que est? asociada al rmf
|
| 711 |
* @return vector de double con los elementos de la transformaci?n af?n.
|
| 712 |
*/
|
| 713 |
public double[] getTransform(){ |
| 714 |
if(file != null && file.trans != null && !this.rmfExists()) |
| 715 |
return file.trans.adfgeotransform;
|
| 716 |
else{
|
| 717 |
if(this.rmfExists){ |
| 718 |
double[] rmfGeoref = { rmfTransform.getTranslateX(), |
| 719 |
rmfTransform.getScaleX(), |
| 720 |
rmfTransform.getShearX(), |
| 721 |
rmfTransform.getTranslateY(), |
| 722 |
rmfTransform.getShearY(), |
| 723 |
rmfTransform.getScaleY()}; |
| 724 |
return rmfGeoref;
|
| 725 |
} |
| 726 |
return null; |
| 727 |
} |
| 728 |
|
| 729 |
} |
| 730 |
|
| 731 |
/*
|
| 732 |
* (non-Javadoc)
|
| 733 |
* @see org.gvsig.fmap.driver.GeoRasterFile#rasterToWorld(java.awt.geom.Point2D)
|
| 734 |
*/
|
| 735 |
public Point2D rasterToWorld(Point2D pt) { |
| 736 |
return file.rasterToWorld(pt);
|
| 737 |
} |
| 738 |
|
| 739 |
/*
|
| 740 |
* (non-Javadoc)
|
| 741 |
* @see org.gvsig.fmap.driver.GeoRasterFile#worldToRaster(java.awt.geom.Point2D)
|
| 742 |
*/
|
| 743 |
public Point2D worldToRaster(Point2D pt){ |
| 744 |
return file.worldToRaster(pt);
|
| 745 |
} |
| 746 |
|
| 747 |
public void readPalette(){ |
| 748 |
file.readPalette(); |
| 749 |
} |
| 750 |
|
| 751 |
} |
| 752 |
|
| 753 |
|
| 754 |
|