root / trunk / libraries / libCresques / src / org / cresques / io / GdalFile.java @ 13130
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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.NoninvertibleTransformException; |
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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.filter.RasterBuf; |
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import org.cresques.io.data.Metadata; |
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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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public GeoTransform trans = null; |
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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 bBoxRot = new Contour(); |
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/**
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* Contorno en coordenadas geogr?ficas sin rotaci?n aplicada. Esto es util para poder
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* calcular los pixeles necesarios que se van a leer del raster. Cuando el raster no tiene
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* rotaci?n coincide con esq.
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*/
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public Contour bBoxWithoutRot = 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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/**
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* Metadatos leidos de la imagen
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*/
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private Metadata metadata = null; |
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private boolean georeferenced = true; |
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// Polilinea con extent
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public class Contour extends Vector { |
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final private static long serialVersionUID = -3370601314380922368L; |
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public double minX = Double.MAX_VALUE, minY = Double.MAX_VALUE; |
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public double maxX = -Double.MAX_VALUE, maxY = -Double.MAX_VALUE; |
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public Contour() {
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super();
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} |
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public void add(Point2D pt) { |
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super.add(pt);
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if (pt.getX() > maxX) maxX = pt.getX();
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if (pt.getX() < minX) minX = pt.getX();
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if (pt.getY() > maxY) maxY = pt.getY();
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if (pt.getY() < minY) minY = pt.getY();
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} |
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} |
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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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/**
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* <P>
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* Calcula la bounding box en la que est? metido el raster teniendo en cuenta
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* el tama?o de pixel y la rotaci?n. Esto lo hace con los valores de transformaci?n
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* leidos por gdal en el vector de 6 elementos adfGeoTransform donde cada elemento
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* del vector represnta los siguientes valores
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* </P>
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* <UL>
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* <LI>0-origen X</LI>
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* <LI>1-tama?o de pixel X</LI>
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* <LI>2-shear en X</LI>
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* <LI>3-origen Y</LI>
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* <LI>4-shear en Y</LI>
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* <LI>5-Tama?o de pixel Y</LI>
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* </UL>
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* <P>
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* Para el calculo de una esquina aplicamos la formula siguiente:<BR>
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* PtoX = originX + pixelSizeX * x + shearX * y;<BR>
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* PtoY = originY + shearY * x + pixelSizeY * y;<BR>
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* Aplicandolo a las cuatro esquinas sustituimos en cada una de ellas por.
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* </P>
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* <UL>
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* <LI>Esquina superior izquierda: x = 0; y = 0;</LI>
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* <LI>Esquina superior derecha: x = MaxX; y = 0;</LI>
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* <LI>Esquina inferior izquierda: x = 0; y = MaxY;</LI>
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* <LI>Esquina inferior derecha: x = MaxX; y = MaxY;</LI>
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* </UL>
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* <P>
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* quedandonos en los cuatro casos:
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* </P>
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* <UL>
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* <LI>Esquina superior izquierda: originX; originY;</LI>
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* <LI>Esquina superior derecha: PtoX = originX + pixelSizeX * x; PtoY = originY + shearY * x;</LI>
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* <LI>Esquina inferior izquierda: PtoX = originX + shearX * y; PtoY = originY + pixelSizeY * y;</LI>
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* <LI>Esquina inferior derecha: PtoX = originX + pixelSizeX * x + shearX * y; PtoY = originY + shearY * x + pixelSizeY * y;</LI>
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* </UL>
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*
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*/
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private void boundingBoxFromGeoTransform(){ |
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double geoX = 0D, geoY = 0D; |
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//Upper left corner
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bBoxRot.add(new Point2D.Double(trans.adfgeotransform[0], trans.adfgeotransform[3])); |
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//Lower left corner
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geoX = trans.adfgeotransform[0] + trans.adfgeotransform[2] * height; |
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geoY = trans.adfgeotransform[3] + trans.adfgeotransform[5] * height; |
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bBoxRot.add(new Point2D.Double(geoX, geoY)); |
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//Upper right corner
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geoX = trans.adfgeotransform[0] + trans.adfgeotransform[1] * width; |
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geoY = trans.adfgeotransform[3] + trans.adfgeotransform[4] * width; |
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bBoxRot.add(new Point2D.Double(geoX, geoY)); |
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//Lower right corner
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geoX = trans.adfgeotransform[0] + trans.adfgeotransform[1] * width + trans.adfgeotransform[2] * height; |
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geoY = trans.adfgeotransform[3] + trans.adfgeotransform[4] * width + trans.adfgeotransform[5] * height; |
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bBoxRot.add(new Point2D.Double(geoX, geoY)); |
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//TODO: ?OJO! con coordenadas geogr?ficas
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} |
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/**
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* Calcula la bounding box en la que est? metido el raster teniendo en cuenta
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* el tama?o de pixel y la rotaci?n.
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*/
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private void boundingBoxWithoutRotation(){ |
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double ox = trans.adfgeotransform[0]; |
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double oy = trans.adfgeotransform[3]; |
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double resx = trans.adfgeotransform[1]; |
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double resy = trans.adfgeotransform[5]; |
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bBoxWithoutRot.add(new Point2D.Double(ox, oy)); |
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bBoxWithoutRot.add(new Point2D.Double(ox + resx * width, oy)); |
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bBoxWithoutRot.add(new Point2D.Double(ox, oy + resy * height)); |
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bBoxWithoutRot.add(new Point2D.Double(ox + resx * width, oy + resy * height)); |
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//TODO: ?OJO! con coordenadas geogr?ficas
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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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metadata = new Metadata(getMetadata());
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//Asignamos la interpretaci?n de color leida por gdal a cada banda. Esto nos sirve
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//para saber que banda de la imagen va asignada a cada banda de visualizaci?n (ARGB)
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metadata.initColorInterpretation(getRasterCount()); |
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metadata.initNoDataByBand(getRasterCount()); |
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for(int i = 0; i < getRasterCount(); i++){ |
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GdalRasterBand rb = getRasterBand(i + 1);
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String colorInt = getColorInterpretationName(rb.getRasterColorInterpretation());
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metadata.setNoDataValue(i, rb.getRasterNoDataValue()); |
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metadata.setColorInterpValue(i, colorInt); |
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if(colorInt.equals("Red")) |
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rBandNr = i + 1;
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if(colorInt.equals("Green")) |
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gBandNr = i + 1;
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if(colorInt.equals("Blue")) |
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bBandNr = i + 1;
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if(colorInt.equals("Alpha")) |
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aBandNr = i + 1;
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} |
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try{
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trans = getGeoTransform(); |
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boundingBoxWithoutRotation(); |
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boundingBoxFromGeoTransform(); |
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this.georeferenced = true; |
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}catch(GdalException exc){
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bBoxRot.add(new Point2D.Double(0, 0)); |
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bBoxRot.add(new Point2D.Double(width, 0)); |
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bBoxRot.add(new Point2D.Double(0, height)); |
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bBoxRot.add(new Point2D.Double(width, height)); |
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bBoxWithoutRot = bBoxRot; |
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this.georeferenced = false; |
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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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private boolean[] orientation; |
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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) / (bBoxWithoutRot.maxX - bBoxWithoutRot.minX)) * (pt.getX() - bBoxWithoutRot.minX); |
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double y = (((double) currentFullHeight) / (bBoxWithoutRot.maxY - bBoxWithoutRot.minY)) * (bBoxWithoutRot.maxY - pt.getY()); |
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Point2D ptRes = new Point2D.Double(x, y); |
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return ptRes;
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} |
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/**
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* Si el tama?o de pixel en X es menor que 0 entonces la imagen se orienta al contrario en X por lo que en los zooms
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* habr? que invertir la petici?n de la parte derecha a la izquierda y viceversa. Esto lo detectamos con la
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* variable orientation , si orientation[0] es false entonces el punto inicial del zoom lo invertimos de la
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* siguiente forma:
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* Nuevo_punto_inicialX = (Ancho_total_raster - punto_inicial_del_zoomX) - Ancho_de_petici?n
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*
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* Si el tama?o de pixel en Y es mayor que 0 entonces la imagen se orienta al contrario en Y por
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* lo que en los zooms habr? que invertir la petici?n de abajo a arriba y viceversa. Esto lo detectamos con la
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* variable orientation , si orientation[1] es true entonces el punto inicial del zoom lo invertimos de la
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* siguiente forma:
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* Nuevo_punto_inicialY = (Alto_total_raster - punto_inicial_del_zoomY) - Alto_de_petici?n
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*
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* @param dWorldTLX
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* @param dWorldTLY
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* @param dWorldBRX
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* @param dWorldBRY
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* @param nWidth
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* @param nHeight
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* @param orientation array de dos elementos que representa la orientaci?n de la petici?n en
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* X e Y. El primer elemento representa el signo de pixelSize en X, true si es positivo y false
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* si es negativo. El segundo elemento representa el signo de pixelSize en Y
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* @return
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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, boolean[] orientation) { |
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int err = 0; |
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this.orientation = orientation;
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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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if(!orientation[0]) //Invierte la orientaci?n en X |
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currentViewX = (width - tl.getX()) - (br.getX()-tl.getX()); |
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else
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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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if(orientation[1])//Invierte la orientaci?n en Y |
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lastReadLine = (height - tl.getY()) - (br.getY()-tl.getY()); |
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else
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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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viewportScaleY *= ((double) height/(double) ovb.getRasterBandYSize()); |
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stepX = 1D/viewportScaleX;
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stepY = 1D/viewportScaleY;
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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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if(!orientation[0])//Invierte la orientaci?n en X |
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currentViewX = (width - tl.getX()) - (br.getX()-tl.getX()); |
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else
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currentViewX = tl.getX(); |
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if(orientation[1])//Invierte la orientaci?n en Y |
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lastReadLine = (height - tl.getY()) - (br.getY()-tl.getY()); |
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else
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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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|
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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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|
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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(metadata.isAlphaBand())
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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(metadata.isAlphaBand())
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bandA = bandA.getOverview(currentOverview); |
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} |
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} |
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} catch (GdalException e) {
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e.printStackTrace(); |
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} |
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return err;
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} |
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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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|
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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{
|
| 408 |
a.buffByte = new byte[w]; |
| 409 |
r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
| 410 |
if (bandG != null) |
| 411 |
g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
| 412 |
if (bandB != null) |
| 413 |
b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
| 414 |
} |
| 415 |
|
| 416 |
lastReadLine += stepY; |
| 417 |
|
| 418 |
int i=0; |
| 419 |
double j = 0D; |
| 420 |
double initOffset = Math.abs(currentViewX - ((int)currentViewX)); |
| 421 |
|
| 422 |
if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){
|
| 423 |
if (g == null){ // Sibgle Band (Typical DEM) |
| 424 |
for (int k=0; k<4; k++){ |
| 425 |
for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 426 |
if(k<3) |
| 427 |
line[i][k] = (r.buffShort[(int) j] & 0xffff); |
| 428 |
else
|
| 429 |
line[i][3] = 0xff; |
| 430 |
} |
| 431 |
} |
| 432 |
}else { // Multiband |
| 433 |
//System.err.println("readLine(): Raster 16bits multibanda");
|
| 434 |
GdalBuffer [] bands = {r,g,b};
|
| 435 |
for (int k=0; k<4; k++){ |
| 436 |
for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
| 437 |
if(k<3) |
| 438 |
line[i][k] = (bands[k].buffShort[(int) j] & 0xffff); |
| 439 |
else
|
| 440 |
line[i][3] = 0xff; |
| 441 |
} |
| 442 |
} |
| 443 |
} |
| 444 |
}else if(dataType == GDT_Float32){ |
| 445 |
GdalBuffer [] bands = {r,g,b};
|
| 446 |
for (int k=0; k<4; k++){ |
| 447 |
for (i=0, j = initOffset; i<currentViewWidth && j<r.getSize(); i++, j+=stepX){ |
| 448 |
if(k < 3) |
| 449 |
line[i][k] = (int)bands[0].buffFloat[(int) j]; |
| 450 |
else
|
| 451 |
line[i][3] = 0xff; |
| 452 |
} |
| 453 |
} |
| 454 |
} |
| 455 |
|
| 456 |
return;
|
| 457 |
} |
| 458 |
|
| 459 |
//int liney = 0;
|
| 460 |
int readLineRGBA(int [] line) throws GdalException { |
| 461 |
int err = 0; |
| 462 |
|
| 463 |
int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
| 464 |
int x = (int) currentViewX; |
| 465 |
int y = (int) lastReadLine; |
| 466 |
GdalBuffer r = null, g = null, b = null, p = null; |
| 467 |
GdalBuffer a = new GdalBuffer();
|
| 468 |
|
| 469 |
while(y >= bandR.getRasterBandYSize())
|
| 470 |
y--; |
| 471 |
|
| 472 |
//if (alpha > 0) a = alpha << 24;
|
| 473 |
if (x+w > bandR.getRasterBandXSize())
|
| 474 |
w = bandR.getRasterBandXSize()-x; |
| 475 |
|
| 476 |
if(bandR.getRasterColorTable() != null){ |
| 477 |
p = bandR.readRasterWithPalette(x, y, w, 1, w, 1, dataType); |
| 478 |
a.buffByte = p.buffAPalette; |
| 479 |
r = new GdalBuffer();
|
| 480 |
r.buffByte = p.buffRPalette; |
| 481 |
g = new GdalBuffer();
|
| 482 |
g.buffByte = p.buffGPalette; |
| 483 |
b = new GdalBuffer();
|
| 484 |
b.buffByte = p.buffBPalette; |
| 485 |
}else{
|
| 486 |
r = bandR.readRaster(x, y, w, 1, w, 1, dataType); |
| 487 |
if (bandG != null) |
| 488 |
g = bandG.readRaster(x, y, w, 1, w, 1, dataType); |
| 489 |
if (bandB != null) |
| 490 |
b = bandB.readRaster(x, y, w, 1, w, 1, dataType); |
| 491 |
|
| 492 |
if(metadata.isAlphaBand()){
|
| 493 |
//if(getRasterCount() == 4 && shortName.equals("PNG")){
|
| 494 |
a = bandA.readRaster(x, y, w, 1, w, 1, GDT_Byte); |
| 495 |
}else{
|
| 496 |
a.buffByte = new byte[w]; |
| 497 |
for (int i = 0;i < w;i++) |
| 498 |
a.buffByte[i] = (byte)255; |
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
lastReadLine += stepY; |
| 503 |
|
| 504 |
int i=0; |
| 505 |
double j = Math.abs(currentViewX - ((int)currentViewX)); |
| 506 |
int alpha = (this.alpha & 0xff) << 24; |
| 507 |
|
| 508 |
if(orientation[0]){ //Pixel size en X positivo |
| 509 |
if (dataType == GDT_Byte){
|
| 510 |
if (g != null) |
| 511 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 512 |
int jInt = (int)(j); |
| 513 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
| 514 |
} |
| 515 |
else
|
| 516 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 517 |
int jInt = (int)(j); |
| 518 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
| 519 |
} |
| 520 |
}else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
| 521 |
if (g == null) // Sibgle Band (Typical DEM) |
| 522 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 523 |
int jInt = (int)(j); |
| 524 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
| 525 |
} |
| 526 |
else { // Multiband - Raster 16bits multibanda |
| 527 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 528 |
int jInt = (int)(j); |
| 529 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
| 530 |
(((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
| 531 |
(((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
| 532 |
} |
| 533 |
} |
| 534 |
} |
| 535 |
}else{ //Pixel size en X negativo |
| 536 |
if (dataType == GDT_Byte){
|
| 537 |
if (g != null) |
| 538 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 539 |
int jInt = (int)(j); |
| 540 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
| 541 |
} |
| 542 |
else
|
| 543 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 544 |
int jInt = (int)(j); |
| 545 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
| 546 |
} |
| 547 |
}else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
| 548 |
if (g == null) // Sibgle Band (Typical DEM) |
| 549 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 550 |
int jInt = (int)(j); |
| 551 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
| 552 |
} |
| 553 |
else { // Multiband - Raster 16bits multibanda; |
| 554 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 555 |
int jInt = (int)(j); |
| 556 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
| 557 |
(((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
| 558 |
(((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
| 559 |
} |
| 560 |
} |
| 561 |
} |
| 562 |
|
| 563 |
} |
| 564 |
|
| 565 |
return err;
|
| 566 |
} |
| 567 |
|
| 568 |
/**
|
| 569 |
* Lee una franja de la imagen.
|
| 570 |
* @param bandH Altura de la franja
|
| 571 |
* @param bufH Altura del buffer
|
| 572 |
* @param buf Buffer con la franja (retorno)
|
| 573 |
* @return
|
| 574 |
* @throws GdalException
|
| 575 |
*/
|
| 576 |
public int readBandRGBA(int bandH, int bufH, int [] buf) throws GdalException { |
| 577 |
int err = 0; |
| 578 |
int w = (int)(((double)currentViewWidth)*stepX); |
| 579 |
int x = (int)(((double)currentViewX)*stepX); |
| 580 |
int y = (int) lastReadLine; |
| 581 |
int h = (int) (((double)bandH)*stepX); |
| 582 |
System.out.println("Leyendo "+y); |
| 583 |
GdalBuffer r = null, g = null, b = null, p = null; |
| 584 |
GdalBuffer a = new GdalBuffer();
|
| 585 |
|
| 586 |
if (x+w > bandR.getRasterBandXSize())
|
| 587 |
w = bandR.getRasterBandXSize()-x; |
| 588 |
|
| 589 |
if(bandR.getRasterColorTable() != null){ |
| 590 |
p = bandR.readRasterWithPalette(x, y, w, h, w, h, GDT_Byte); |
| 591 |
a.buffByte = p.buffAPalette; |
| 592 |
r = new GdalBuffer();
|
| 593 |
r.buffByte = p.buffRPalette; |
| 594 |
g = new GdalBuffer();
|
| 595 |
g.buffByte = p.buffGPalette; |
| 596 |
b = new GdalBuffer();
|
| 597 |
b.buffByte = p.buffBPalette; |
| 598 |
}else{
|
| 599 |
r = bandR.readRaster(x, y, w, h, w, h, dataType); |
| 600 |
if (bandG != null) |
| 601 |
g = bandG.readRaster(x, y, w, h, w, h, dataType); |
| 602 |
if (bandB != null) |
| 603 |
b = bandB.readRaster(x, y, w, h, w, h, dataType); |
| 604 |
|
| 605 |
if(metadata.isAlphaBand()){
|
| 606 |
//if(getRasterCount() == 4 && shortName.equals("PNG")){
|
| 607 |
a = bandA.readRaster(x, y, w, h, w, h, GDT_Byte); |
| 608 |
}else{
|
| 609 |
a.buffByte = new byte[w]; |
| 610 |
for (int i = 0;i < w*h;i++) |
| 611 |
a.buffByte[i] = (byte)255; |
| 612 |
} |
| 613 |
} |
| 614 |
|
| 615 |
lastReadLine += ((double)bandH)*stepY;
|
| 616 |
|
| 617 |
// TODO Acabar de implementarlo
|
| 618 |
float k=0F; |
| 619 |
int alpha = (this.alpha & 0xff) << 24; |
| 620 |
for (int j=0, t=0; j<bandH; j++) { |
| 621 |
k = j*w; t=j*currentViewWidth; |
| 622 |
for (int i=0; i<currentViewWidth && k<r.getSize(); i++, k+=stepX) { |
| 623 |
buf[t+i] = (alpha & ((a.buffByte[(int)j])& 0xff) << 24) + ((r.buffByte[(int) k]) << 16) + ((g.buffByte[(int) k]) << 8) + b.buffByte[(int) k]; |
| 624 |
} |
| 625 |
} |
| 626 |
|
| 627 |
return err;
|
| 628 |
|
| 629 |
} |
| 630 |
|
| 631 |
/* (non-Javadoc)
|
| 632 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 633 |
*/
|
| 634 |
public Object[] getData(int x, int y) { |
| 635 |
try {
|
| 636 |
Object[] data = new Object[getRasterCount()]; |
| 637 |
for(int i = 0; i < getRasterCount(); i++){ |
| 638 |
GdalRasterBand rb = getRasterBand(i + 1);
|
| 639 |
GdalBuffer r = rb.readRaster(x, y, 1, 1, 1, 1, dataType); |
| 640 |
switch(dataType){
|
| 641 |
case 0: break; //Sin tipo |
| 642 |
case 1: data[i] = new Integer(r.buffByte[0]); //Buffer byte (8) |
| 643 |
break;
|
| 644 |
case 2: //Buffer short (16) |
| 645 |
case 3: data[i] = new Integer(r.buffShort[0]); //Buffer short (16) |
| 646 |
break;
|
| 647 |
case 4: //Buffer int (32) |
| 648 |
case 5: data[i] = new Integer(r.buffInt[0]); //Buffer int (32) |
| 649 |
break;
|
| 650 |
case 6: data[i] = new Float(r.buffFloat[0]); //Buffer float (32) |
| 651 |
break;
|
| 652 |
case 7: data[i] = new Double(r.buffDouble[0]); //Buffer double (64) |
| 653 |
break;
|
| 654 |
} |
| 655 |
} |
| 656 |
return data;
|
| 657 |
} catch (GdalException e) {
|
| 658 |
return null; |
| 659 |
} |
| 660 |
} |
| 661 |
|
| 662 |
void pintaInfo() {
|
| 663 |
try {
|
| 664 |
//System.out.println("Origin = "+originX+","+originY);
|
| 665 |
//System.out.println("Origin = "+this.);
|
| 666 |
System.out.println("GeoTransform:"); |
| 667 |
GeoTransform trans = getGeoTransform(); |
| 668 |
for (int i=0; i<6; i++) |
| 669 |
System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
| 670 |
System.out.println("Metadata:"); |
| 671 |
String [] metadata = getMetadata(); |
| 672 |
for (int i=0; i<metadata.length; i++) { |
| 673 |
System.out.println(metadata[i]);
|
| 674 |
} |
| 675 |
} catch (GdalException e) {
|
| 676 |
|
| 677 |
} |
| 678 |
|
| 679 |
} |
| 680 |
|
| 681 |
void pintaPaleta() {
|
| 682 |
} |
| 683 |
|
| 684 |
public int getBlockSize(){ |
| 685 |
return this.getBlockSize(); |
| 686 |
} |
| 687 |
|
| 688 |
/**
|
| 689 |
* Obtiene el objeto que contiene los metadatos
|
| 690 |
*/
|
| 691 |
public Metadata getMetadataJavaObject() {
|
| 692 |
return metadata;
|
| 693 |
} |
| 694 |
|
| 695 |
/**
|
| 696 |
* Obtiene el flag que dice si la imagen est? o no georreferenciada
|
| 697 |
* @return true si est? georreferenciada y false si no lo est?.
|
| 698 |
*/
|
| 699 |
public boolean isGeoreferenced() { |
| 700 |
return georeferenced;
|
| 701 |
} |
| 702 |
} |
| 703 |
|
| 704 |
/**
|
| 705 |
* @author Luis W. Sevilla
|
| 706 |
*/
|
| 707 |
public class GdalFile extends GeoRasterFile { |
| 708 |
public final static int BAND_HEIGHT = 64; |
| 709 |
protected GdalNative file = null; |
| 710 |
|
| 711 |
private Extent v = null; |
| 712 |
|
| 713 |
public GdalFile(IProjection proj, String fName){ |
| 714 |
super(proj, fName);
|
| 715 |
extent = new Extent();
|
| 716 |
try {
|
| 717 |
file = new GdalNative(fName);
|
| 718 |
load(); |
| 719 |
readGeoInfo(fName); |
| 720 |
bandCount = file.getRasterCount(); |
| 721 |
if ( bandCount > 2) { |
| 722 |
setBand(RED_BAND, 0);
|
| 723 |
setBand(GREEN_BAND, 1);
|
| 724 |
setBand(BLUE_BAND, 2);
|
| 725 |
} else
|
| 726 |
setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
| 727 |
} catch(Exception e){ |
| 728 |
System.out.println("Error en GdalOpen"); |
| 729 |
e.printStackTrace(); |
| 730 |
file = null;
|
| 731 |
} |
| 732 |
|
| 733 |
switch(file.getDataType()){
|
| 734 |
case 1:setDataType(DataBuffer.TYPE_BYTE);break;//GDT_BYTE |
| 735 |
case 2://GDT_UInt16 |
| 736 |
case 3:setDataType(DataBuffer.TYPE_SHORT);break;//GDT_Int16 |
| 737 |
case 4://GDT_UInt32 |
| 738 |
case 5:setDataType(DataBuffer.TYPE_INT);break;//GDT_Int32 |
| 739 |
case 6:setDataType(DataBuffer.TYPE_FLOAT);break;//GDT_Float32 |
| 740 |
case 7:setDataType(DataBuffer.TYPE_DOUBLE);break;//GDT_Float64 |
| 741 |
case 8:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt16 |
| 742 |
case 9:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CInt32 |
| 743 |
case 10:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat32 |
| 744 |
case 11:setDataType(DataBuffer.TYPE_UNDEFINED);break;//GDT_CFloat64 |
| 745 |
} |
| 746 |
|
| 747 |
} |
| 748 |
|
| 749 |
/**
|
| 750 |
* Obtenemos o calculamos el extent de la imagen.
|
| 751 |
*/
|
| 752 |
public GeoFile load() {
|
| 753 |
extent = new Extent(file.bBoxRot.minX, file.bBoxRot.minY, file.bBoxRot.maxX, file.bBoxRot.maxY);
|
| 754 |
requestExtent = new Extent(file.bBoxWithoutRot.minX, file.bBoxWithoutRot.minY, file.bBoxWithoutRot.maxX, file.bBoxWithoutRot.maxY);
|
| 755 |
return this; |
| 756 |
} |
| 757 |
|
| 758 |
/**
|
| 759 |
* Cierra el fichero de imagen
|
| 760 |
*/
|
| 761 |
public void close() { |
| 762 |
try {
|
| 763 |
if(file != null){ |
| 764 |
file.close(); |
| 765 |
file = null;
|
| 766 |
} |
| 767 |
} catch (GdalException e) {
|
| 768 |
// TODO Auto-generated catch block
|
| 769 |
e.printStackTrace(); |
| 770 |
} |
| 771 |
} |
| 772 |
|
| 773 |
/**
|
| 774 |
* Asigna a cada banda R,G o B una banda de la imagen
|
| 775 |
*/
|
| 776 |
public void setBand(int flag, int bandNr) { |
| 777 |
super.setBand(flag, bandNr);
|
| 778 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
| 779 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
| 780 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
| 781 |
} |
| 782 |
|
| 783 |
/**
|
| 784 |
* Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n
|
| 785 |
* de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v)
|
| 786 |
* ha de estar en coordenadas del fichero.
|
| 787 |
*/
|
| 788 |
public void setView(Extent e) { |
| 789 |
if(rmfExists){
|
| 790 |
|
| 791 |
Point2D.Double petInit = null, petEnd = null; |
| 792 |
try{
|
| 793 |
petInit = new Point2D.Double(e.minX(), e.maxY()); |
| 794 |
petEnd = new Point2D.Double(e.maxX(), e.minY()); |
| 795 |
transformRMF.inverseTransform(petInit, petInit); |
| 796 |
transformRMF.inverseTransform(petEnd, petEnd); |
| 797 |
transformTFW.transform(petInit, petInit); |
| 798 |
transformTFW.transform(petEnd, petEnd); |
| 799 |
}catch(NoninvertibleTransformException ex){} |
| 800 |
double h = file.bBoxWithoutRot.maxY - file.bBoxWithoutRot.minY;
|
| 801 |
if(!file.isGeoreferenced())
|
| 802 |
v = new Extent( petInit.getX(), h - petInit.getY(), petEnd.getX(), h - petEnd.getY());
|
| 803 |
else
|
| 804 |
v = new Extent( petInit.getX(), petInit.getY(), petEnd.getX(), petEnd.getY());
|
| 805 |
|
| 806 |
}else
|
| 807 |
v = new Extent(e.minX(), e.minY(), e.maxX(), e.maxY());
|
| 808 |
} |
| 809 |
|
| 810 |
/**
|
| 811 |
* Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
|
| 812 |
* asociado. En Gdal el origen de coordenadas en Y es el valor m?nimo y crece hasta el m?ximo. De la
|
| 813 |
* misma forma calcula la matriz de transformaci?n de la cabecera del fichero o del world file asociado
|
| 814 |
* @param originX Origen de la imagen en la coordenada X
|
| 815 |
* @param originY Origen de la imagen en la coordenada Y
|
| 816 |
*/
|
| 817 |
public void setExtentTransform(double originX, double originY, double psX, double psY) { |
| 818 |
transformRMF.setToTranslation(originX, originY); |
| 819 |
transformRMF.scale(psX, psY); |
| 820 |
|
| 821 |
if(file.trans != null){ |
| 822 |
transformTFW.setToTranslation(file.trans.adfgeotransform[0], file.trans.adfgeotransform[3]); |
| 823 |
transformTFW.scale(file.trans.adfgeotransform[1], file.trans.adfgeotransform[5]); |
| 824 |
} |
| 825 |
} |
| 826 |
|
| 827 |
/**
|
| 828 |
* Obtiene extent de la vista actual
|
| 829 |
*/
|
| 830 |
public Extent getView() {
|
| 831 |
return v;
|
| 832 |
} |
| 833 |
|
| 834 |
/**
|
| 835 |
* Obtiene la anchura del fichero
|
| 836 |
*/
|
| 837 |
public int getWidth() { |
| 838 |
return file.width;
|
| 839 |
} |
| 840 |
|
| 841 |
/**
|
| 842 |
* Obtiene la altura del fichero
|
| 843 |
*/
|
| 844 |
public int getHeight() { |
| 845 |
return file.height;
|
| 846 |
} |
| 847 |
|
| 848 |
/* (non-Javadoc)
|
| 849 |
* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
| 850 |
*/
|
| 851 |
public void reProject(ICoordTrans rp) { |
| 852 |
// TODO Auto-generated method stub
|
| 853 |
} |
| 854 |
|
| 855 |
/**
|
| 856 |
* Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder
|
| 857 |
* asignarlo en el setView. Esto es util para poder conocer como debe leerse la image,
|
| 858 |
* de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda.
|
| 859 |
* La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose
|
| 860 |
* en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son:
|
| 861 |
* <UL>
|
| 862 |
* <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
|
| 863 |
* <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
|
| 864 |
* <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
|
| 865 |
* <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
|
| 866 |
* </UL>
|
| 867 |
*
|
| 868 |
* @return
|
| 869 |
*/
|
| 870 |
private boolean[] getOrientation(){ |
| 871 |
boolean[] orientation = {true, false}; |
| 872 |
if(!rmfExists){
|
| 873 |
if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[5] > 0) |
| 874 |
orientation[1] = true; |
| 875 |
if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[1] < 0) |
| 876 |
orientation[0] = false; |
| 877 |
}else{
|
| 878 |
if(rmfTransform.getScaleY() > 0) |
| 879 |
orientation[1] = true; |
| 880 |
if(rmfTransform.getScaleX() < 0) |
| 881 |
orientation[0] = false; |
| 882 |
} |
| 883 |
return orientation;
|
| 884 |
} |
| 885 |
|
| 886 |
/* (non-Javadoc)
|
| 887 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
| 888 |
*/
|
| 889 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
| 890 |
int line, pRGBArray[] = null; |
| 891 |
Image image = null; |
| 892 |
|
| 893 |
if (mustVerifySize()) {
|
| 894 |
// Work out the correct aspect for the setView call.
|
| 895 |
double dFileAspect = (double)v.width()/(double)v.height(); |
| 896 |
double dWindowAspect = (double)width /(double)height; |
| 897 |
|
| 898 |
if (dFileAspect > dWindowAspect) {
|
| 899 |
height =(int)((double)width/dFileAspect); |
| 900 |
} else {
|
| 901 |
width = (int)((double)height*dFileAspect); |
| 902 |
} |
| 903 |
} |
| 904 |
|
| 905 |
// Set the view
|
| 906 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 907 |
width, height, getOrientation()); |
| 908 |
|
| 909 |
if(width<=0)width=1; |
| 910 |
if(height<=0)height=1; |
| 911 |
|
| 912 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 913 |
//image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
| 914 |
pRGBArray = new int[width/**BAND_HEIGHT*/]; |
| 915 |
try {
|
| 916 |
//int nLin = height % BAND_HEIGHT;
|
| 917 |
file.setAlpha(getAlpha()); |
| 918 |
setBand(RED_BAND, rBandNr); |
| 919 |
setBand(GREEN_BAND, gBandNr); |
| 920 |
setBand(BLUE_BAND, bBandNr); |
| 921 |
for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
| 922 |
//int bandH = Math.min(BAND_HEIGHT, height-line);
|
| 923 |
//file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
| 924 |
file.readLineRGBA(pRGBArray); |
| 925 |
setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
| 926 |
} |
| 927 |
} catch (Exception e) { |
| 928 |
// TODO Auto-generated catch block
|
| 929 |
e.printStackTrace(); |
| 930 |
} |
| 931 |
|
| 932 |
return image;
|
| 933 |
} |
| 934 |
|
| 935 |
public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
| 936 |
int line;
|
| 937 |
RasterBuf raster = null;
|
| 938 |
|
| 939 |
if(mustVerifySize()){
|
| 940 |
// Work out the correct aspect for the setView call.
|
| 941 |
double dFileAspect = (double)v.width()/(double)v.height(); |
| 942 |
double dWindowAspect = (double)width /(double)height; |
| 943 |
|
| 944 |
if (dFileAspect > dWindowAspect) {
|
| 945 |
height =(int)((double)width/dFileAspect); |
| 946 |
} else {
|
| 947 |
width = (int)((double)height*dFileAspect); |
| 948 |
} |
| 949 |
} |
| 950 |
|
| 951 |
// Set the view
|
| 952 |
boolean[] orientation = getOrientation(); |
| 953 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 954 |
width, height, orientation); |
| 955 |
|
| 956 |
raster = new RasterBuf(DataBuffer.TYPE_INT, width, height, 4, new Point(0,0)); |
| 957 |
try {
|
| 958 |
|
| 959 |
file.setAlpha(getAlpha()); |
| 960 |
setBand(RED_BAND, rBandNr); |
| 961 |
setBand(GREEN_BAND, gBandNr); |
| 962 |
setBand(BLUE_BAND, bBandNr); |
| 963 |
for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
| 964 |
file.readLine(raster.getLineInt(line)); |
| 965 |
} |
| 966 |
} catch (Exception e) { |
| 967 |
e.printStackTrace(); |
| 968 |
} |
| 969 |
|
| 970 |
return raster;
|
| 971 |
} |
| 972 |
|
| 973 |
/**
|
| 974 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
| 975 |
* vector de enteros.
|
| 976 |
* @param image imagen con los datos actuales
|
| 977 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 978 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 979 |
* @param w Ancho de la imagen
|
| 980 |
* @param h Alto de la imagen
|
| 981 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 982 |
* @param offset desplazamiento
|
| 983 |
* @param scansize tama?o de imagen recorrida por cada p
|
| 984 |
*/
|
| 985 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 986 |
int offset, int scansize) { |
| 987 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
| 988 |
} |
| 989 |
|
| 990 |
/**
|
| 991 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 992 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 993 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 994 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 995 |
* @param image imagen con los datos actuales
|
| 996 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 997 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 998 |
* @param w Ancho de la imagen
|
| 999 |
* @param h Alto de la imagen
|
| 1000 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 1001 |
* @param offset desplazamiento
|
| 1002 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 1003 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 1004 |
*/
|
| 1005 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 1006 |
int offset, int scansize, int flags) { |
| 1007 |
int [] line = new int[rgbArray.length]; |
| 1008 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 1009 |
if (flags == GeoRasterFile.RED_BAND)
|
| 1010 |
for (int i=0; i<line.length; i++) |
| 1011 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 1012 |
else if (flags == GeoRasterFile.GREEN_BAND) |
| 1013 |
for (int i=0; i<line.length; i++) |
| 1014 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 1015 |
else if (flags == GeoRasterFile.BLUE_BAND) |
| 1016 |
for (int i=0; i<line.length; i++) |
| 1017 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 1018 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 1019 |
} |
| 1020 |
|
| 1021 |
/**
|
| 1022 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 1023 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 1024 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 1025 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 1026 |
* @param image imagen con los datos actuales
|
| 1027 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 1028 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 1029 |
* @param w Ancho de la imagen
|
| 1030 |
* @param h Alto de la imagen
|
| 1031 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 1032 |
* @param offset desplazamiento
|
| 1033 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 1034 |
* @param origBand Banda origen del GeoRasterFile
|
| 1035 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 1036 |
*/
|
| 1037 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 1038 |
int offset, int scansize, int origBand, int destBandFlag) { |
| 1039 |
int [] line = new int[rgbArray.length]; |
| 1040 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 1041 |
if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
| 1042 |
for (int i=0; i<line.length; i++) |
| 1043 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 1044 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 1045 |
for (int i=0; i<line.length; i++) |
| 1046 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 1047 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 1048 |
for (int i=0; i<line.length; i++) |
| 1049 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 1050 |
|
| 1051 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 1052 |
for (int i=0; i<line.length; i++) |
| 1053 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
| 1054 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 1055 |
for (int i=0; i<line.length; i++) |
| 1056 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
| 1057 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
| 1058 |
for (int i=0; i<line.length; i++) |
| 1059 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
| 1060 |
|
| 1061 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 1062 |
for (int i=0; i<line.length; i++) |
| 1063 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
| 1064 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
| 1065 |
for (int i=0; i<line.length; i++) |
| 1066 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
| 1067 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 1068 |
for (int i=0; i<line.length; i++) |
| 1069 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
| 1070 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 1071 |
} |
| 1072 |
|
| 1073 |
/*
|
| 1074 |
private void showOnOpen() {
|
| 1075 |
// Report en la apertura (quitar)
|
| 1076 |
System.out.println("Fichero GDAL '"+getName()+"' abierto.");
|
| 1077 |
System.out.println("Version = "+file.version);
|
| 1078 |
System.out.println(" Size = ("+file.width+","+file.height+")");
|
| 1079 |
try {
|
| 1080 |
System.out.println(" NumBands = ("+file.getRasterCount()+")");
|
| 1081 |
} catch (GdalException e) {
|
| 1082 |
// TODO Auto-generated catch block
|
| 1083 |
e.printStackTrace();
|
| 1084 |
}
|
| 1085 |
//file.pintaInfo();
|
| 1086 |
file.pintaPaleta();
|
| 1087 |
|
| 1088 |
}
|
| 1089 |
*/
|
| 1090 |
|
| 1091 |
/* (non-Javadoc)
|
| 1092 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
| 1093 |
*/
|
| 1094 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
| 1095 |
int line, pRGBArray[] = null; |
| 1096 |
|
| 1097 |
if(mustVerifySize()){
|
| 1098 |
// Work out the correct aspect for the setView call.
|
| 1099 |
double dFileAspect = (double)v.width()/(double)v.height(); |
| 1100 |
double dWindowAspect = (double)width /(double)height; |
| 1101 |
|
| 1102 |
if (dFileAspect > dWindowAspect) {
|
| 1103 |
height =(int)((double)width/dFileAspect); |
| 1104 |
} else {
|
| 1105 |
width = (int)((double)height*dFileAspect); |
| 1106 |
} |
| 1107 |
} |
| 1108 |
|
| 1109 |
// Set the view
|
| 1110 |
boolean[] orientation = getOrientation(); |
| 1111 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 1112 |
width, height, orientation); |
| 1113 |
|
| 1114 |
if(width<=0)width=1; |
| 1115 |
if(height<=0)height=1; |
| 1116 |
|
| 1117 |
pRGBArray = new int[width]; |
| 1118 |
try {
|
| 1119 |
setBand(RED_BAND, rBandNr); |
| 1120 |
setBand(GREEN_BAND, gBandNr); |
| 1121 |
setBand(BLUE_BAND, bBandNr); |
| 1122 |
file.setAlpha(getAlpha()); |
| 1123 |
if(img!=null){ |
| 1124 |
if(orientation[1]){ |
| 1125 |
for (line=0; line < height; line++) { |
| 1126 |
file.readLineRGBA(pRGBArray); |
| 1127 |
setRGBLine((BufferedImage) img, 0, height - 1 - line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
| 1128 |
} |
| 1129 |
}else{
|
| 1130 |
for (line=0; line < height; line++) { |
| 1131 |
file.readLineRGBA(pRGBArray); |
| 1132 |
setRGBLine((BufferedImage) img, 0, line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
| 1133 |
} |
| 1134 |
} |
| 1135 |
return img;
|
| 1136 |
}else{
|
| 1137 |
Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 1138 |
if(orientation[1]){ |
| 1139 |
for (line=0; line < height; line++) { |
| 1140 |
file.readLineRGBA(pRGBArray); |
| 1141 |
setRGBLine((BufferedImage) image, 0, height - 1 - line, width, 1, pRGBArray, 0, width); |
| 1142 |
} |
| 1143 |
}else{
|
| 1144 |
for (line=0; line < height; line++) { |
| 1145 |
file.readLineRGBA(pRGBArray); |
| 1146 |
setRGBLine((BufferedImage) image, 0, line, width, 1, pRGBArray, 0, width); |
| 1147 |
} |
| 1148 |
} |
| 1149 |
return image;
|
| 1150 |
} |
| 1151 |
} catch (Exception e) { |
| 1152 |
// TODO Auto-generated catch block
|
| 1153 |
e.printStackTrace(); |
| 1154 |
} |
| 1155 |
|
| 1156 |
return img;
|
| 1157 |
} |
| 1158 |
|
| 1159 |
/* (non-Javadoc)
|
| 1160 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 1161 |
*/
|
| 1162 |
public Object getData(int x, int y, int band) { |
| 1163 |
if(file != null){ |
| 1164 |
Object[] data = file.getData(x, y); |
| 1165 |
return data[band];
|
| 1166 |
} |
| 1167 |
return null; |
| 1168 |
} |
| 1169 |
|
| 1170 |
/**
|
| 1171 |
* Devuelve los datos de una ventana solicitada
|
| 1172 |
* @param ulX coordenada X superior izda.
|
| 1173 |
* @param ulY coordenada Y superior derecha.
|
| 1174 |
* @param sizeX tama?o en X de la ventana.
|
| 1175 |
* @param sizeY tama?o en Y de la ventana.
|
| 1176 |
* @param band Banda solicitada.
|
| 1177 |
*/
|
| 1178 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
| 1179 |
|
| 1180 |
return null; |
| 1181 |
} |
| 1182 |
|
| 1183 |
/**
|
| 1184 |
* Obtiene la zona (Norte / Sur)
|
| 1185 |
* @return true si la zona es norte y false si es sur
|
| 1186 |
*/
|
| 1187 |
|
| 1188 |
public boolean getZone(){ |
| 1189 |
|
| 1190 |
return false; |
| 1191 |
} |
| 1192 |
|
| 1193 |
/**
|
| 1194 |
*Devuelve el n?mero de zona UTM
|
| 1195 |
*@return N?mero de zona
|
| 1196 |
*/
|
| 1197 |
|
| 1198 |
public int getUTM(){ |
| 1199 |
|
| 1200 |
return 0; |
| 1201 |
} |
| 1202 |
|
| 1203 |
/**
|
| 1204 |
* Obtiene el sistema de coordenadas geograficas
|
| 1205 |
* @return Sistema de coordenadas geogr?ficas
|
| 1206 |
*/
|
| 1207 |
public String getGeogCS(){ |
| 1208 |
|
| 1209 |
return new String(""); |
| 1210 |
} |
| 1211 |
|
| 1212 |
/**
|
| 1213 |
* Devuelve el tama?o de bloque
|
| 1214 |
* @return Tama?o de bloque
|
| 1215 |
*/
|
| 1216 |
public int getBlockSize(){ |
| 1217 |
return file.getBlockSize();
|
| 1218 |
} |
| 1219 |
|
| 1220 |
/**
|
| 1221 |
* Obtiene el objeto que contiene los metadatos
|
| 1222 |
*/
|
| 1223 |
public Metadata getMetadata() {
|
| 1224 |
if(file != null) |
| 1225 |
return file.getMetadataJavaObject();
|
| 1226 |
else
|
| 1227 |
return null; |
| 1228 |
} |
| 1229 |
|
| 1230 |
/**
|
| 1231 |
* Obtiene el flag que dice si la imagen est? o no georreferenciada
|
| 1232 |
* @return true si est? georreferenciada y false si no lo est?.
|
| 1233 |
*/
|
| 1234 |
public boolean isGeoreferenced() { |
| 1235 |
return file.isGeoreferenced();
|
| 1236 |
} |
| 1237 |
|
| 1238 |
/**
|
| 1239 |
* Obtiene los par?metros de la transformaci?n af?n que corresponde con los elementos de
|
| 1240 |
* un fichero tfw.
|
| 1241 |
* <UL>
|
| 1242 |
* <LI>[1]tama?o de pixel en X</LI>
|
| 1243 |
* <LI>[2]rotaci?n en X</LI>
|
| 1244 |
* <LI>[4]rotaci?n en Y</LI>
|
| 1245 |
* <LI>[5]tama?o de pixel en Y</LI>
|
| 1246 |
* <LI>[0]origen en X</LI>
|
| 1247 |
* <LI>[3]origen en Y</LI>
|
| 1248 |
* </UL>
|
| 1249 |
* Este m?todo debe ser reimplementado por el driver si tiene esta informaci?n. En principio
|
| 1250 |
* Gdal es capaz de proporcionarla de esta forma.
|
| 1251 |
*
|
| 1252 |
* En caso de que exista fichero .rmf asociado al raster pasaremos de la informaci?n de georreferenciaci?n
|
| 1253 |
* del .tfw y devolveremos la que est? asociada al rmf
|
| 1254 |
* @return vector de double con los elementos de la transformaci?n af?n.
|
| 1255 |
*/
|
| 1256 |
public double[] getTransform(){ |
| 1257 |
if(file != null && file.trans != null && !this.rmfExists()) |
| 1258 |
return file.trans.adfgeotransform;
|
| 1259 |
else{
|
| 1260 |
if(this.rmfExists){ |
| 1261 |
double[] rmfGeoref = { rmfTransform.getTranslateX(), |
| 1262 |
rmfTransform.getScaleX(), |
| 1263 |
rmfTransform.getShearX(), |
| 1264 |
rmfTransform.getTranslateY(), |
| 1265 |
rmfTransform.getShearY(), |
| 1266 |
rmfTransform.getScaleY()}; |
| 1267 |
return rmfGeoref;
|
| 1268 |
} |
| 1269 |
return null; |
| 1270 |
} |
| 1271 |
|
| 1272 |
} |
| 1273 |
} |
| 1274 |
|
| 1275 |
|