svn-gvsig-desktop / tags / v1_1_Build_1006 / libraries / libCq_CMS_praster / src / org / cresques / io / GdalFile.java @ 12458
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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.AffineTransform; |
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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 java.io.IOException; |
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import java.util.Vector; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.io.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.datastruct.Palette; |
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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.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 GdalFile driver = null; |
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private String ext = ""; |
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private String fileName = null; |
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/**
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* Nombre corto del driver de gdal
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*/
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private String shortName = ""; |
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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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|
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/**
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* Vectores que contiene los desplazamientos de un pixel cuando hay supersampling.
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* , es decir el n?mero de pixels de pantalla que tiene un pixel de imagen. Como todos
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* los pixeles no tienen el mismo ancho y alto ha de meterse en un array y no puede ser
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* una variable. Adem?s hay que tener en cuenta que el primer y ?ltimo pixel son de
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* distinto tama?o que el resto.
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*/
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public int[] stepArrayX = null, stepArrayY = null; |
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protected GdalRasterBand[] gdalBands = null; |
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private double lastReadLine = -1; |
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private int currentFullWidth = -1; |
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private int currentFullHeight = -1; |
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private int currentViewWidth = -1; |
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private int currentViewHeight = -1; |
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private double currentViewX = 0D; |
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private double currentViewY = 0D; |
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private double viewportScaleX = 0D; |
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private double viewportScaleY = 0D; |
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private double wcWidth = 0D; |
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private double stepX = 0D; |
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private double stepY = 0D; |
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public boolean isSupersampling = false; |
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private boolean[] orientation; |
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|
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/**
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* Overview usada en el ?ltimo setView
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*/
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int currentOverview = -1; |
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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, GdalFile driver) throws GdalException, IOException { |
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super();
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this.driver = driver;
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init(fName); |
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} |
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public Point2D rasterToWorld(Point2D pt) { |
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double x = bBoxWithoutRot.minX + ((pt.getX() * (bBoxWithoutRot.maxX - bBoxWithoutRot.minX)) / width);
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double y = bBoxWithoutRot.maxY - ((pt.getY() * (bBoxWithoutRot.maxY - bBoxWithoutRot.minY)) / height);
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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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* <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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fileName = fName; |
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open(fName,GA_ReadOnly); |
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ext = fName.toLowerCase().substring(fName.lastIndexOf('.')+1); |
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if (ext.compareTo("tif") == 0) |
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WITH_OVERVIEWS = false;
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width = getRasterXSize(); |
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height = getRasterYSize(); |
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setDataType(this.getRasterBand(1).getRasterDataType()); |
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shortName = getDriverShortName(); |
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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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boolean isCorrect = false; |
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for(int i = 0; i < trans.adfgeotransform.length; i++) |
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if(trans.adfgeotransform[i] != 0) |
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isCorrect = true;
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if(!isCorrect)
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throw new GdalException(""); |
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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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readPalette(); |
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} |
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public void readPalette(){ |
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//Cargamos la tabla de color si la tiene
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try{
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gdalBands = new GdalRasterBand[1]; |
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gdalBands[0] = getRasterBand(1); |
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if(gdalBands[0] != null && gdalBands[0].getRasterColorTable() != null){ |
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Palette palette = new Palette();
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palette.createPaletteFromGdalColorTable(gdalBands[0].getRasterColorTable());
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driver.setPalette(palette); |
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} |
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}catch(GdalException exc){
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//No cargamos la tabla de color
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} |
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} |
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/**
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* Asigna el valor de Alpha
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* @param a
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*/
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public void setAlpha(int a) { |
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alpha = a; |
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} |
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/**
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* Asigna el tipo de dato
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* @param dt entero que representa el tipo de dato
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*/
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public void setDataType(int dt) { |
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dataType = dt; |
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} |
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/**
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* Obtiene el tipo de dato
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* @return entero que representa el tipo de dato
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*/
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public int getDataType() { |
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return dataType;
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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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* Calcula el overview a usar. Hay que tener en cuenta que tenemos que tener calculadas las variables
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* viewPortScale, currentFullWidth y currentFulHeight
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* @param coordenada pixel expresada en double que indica la posici?n superior izquierda
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* @throws GdalException
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*/
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private void calcOverview(Point2D tl, Point2D br, boolean[] orientation) throws GdalException{ |
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gdalBands[0] = getRasterBand(1); |
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currentOverview = -1;
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if (WITH_OVERVIEWS && gdalBands[0].getOverviewCount() > 0) { |
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GdalRasterBand ovb = null;
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for (int i = gdalBands[0].getOverviewCount()-1; i > 0; i--) { |
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ovb = gdalBands[0].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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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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|
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public void 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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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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|
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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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|
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//Para lectura del renderizado (ARGB). readWindow selecciona las bandas que necesita.
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try {
|
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// calcula el overview a usar
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gdalBands = new GdalRasterBand[4]; |
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calcOverview(tl, br, orientation); |
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calcArraySteps(); |
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|
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// Selecciona las bandas y los overviews necesarios
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gdalBands[0] = getRasterBand(rBandNr);
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gdalBands[1] = gdalBands[0]; |
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gdalBands[2] = gdalBands[1]; |
| 411 |
setDataType(gdalBands[0].getRasterDataType());
|
| 412 |
if(this.getRasterCount() >= 2) { |
| 413 |
gdalBands[1] = getRasterBand(gBandNr);
|
| 414 |
gdalBands[2] = gdalBands[1]; |
| 415 |
} |
| 416 |
if(this.getRasterCount() >= 3) |
| 417 |
gdalBands[2] = getRasterBand(bBandNr);
|
| 418 |
if(metadata.isAlphaBand())
|
| 419 |
gdalBands[3] = getRasterBand(aBandNr);
|
| 420 |
|
| 421 |
|
| 422 |
if (currentOverview > 0) { |
| 423 |
gdalBands[0] = gdalBands[0].getOverview(currentOverview); |
| 424 |
gdalBands[1] = gdalBands[0]; |
| 425 |
gdalBands[2] = gdalBands[1]; |
| 426 |
if(this.getRasterCount() >= 2) { |
| 427 |
gdalBands[1] = gdalBands[1].getOverview(currentOverview); |
| 428 |
gdalBands[2] = gdalBands[1]; |
| 429 |
} |
| 430 |
if(this.getRasterCount() >= 3) |
| 431 |
gdalBands[2] = gdalBands[2].getOverview(currentOverview); |
| 432 |
if(metadata.isAlphaBand())
|
| 433 |
gdalBands[3] = gdalBands[3].getOverview(currentOverview); |
| 434 |
|
| 435 |
} |
| 436 |
|
| 437 |
} catch (GdalException e) {
|
| 438 |
e.printStackTrace(); |
| 439 |
} |
| 440 |
} |
| 441 |
|
| 442 |
/**
|
| 443 |
* Esta funci?n calcula los arrays de steps en X e Y para que cuando hay supersampleo
|
| 444 |
* se aplique el filtro solo a la esquina superior izquierda de cada pixel.
|
| 445 |
*/
|
| 446 |
private void calcArraySteps(){ |
| 447 |
if(stepX < 1 && stepY < 1){ |
| 448 |
isSupersampling = true;
|
| 449 |
int w = (int) (Math.ceil(((double)currentViewWidth) * stepX) + 1); |
| 450 |
this.stepArrayX = new int[w]; |
| 451 |
for (double j = Math.abs(currentViewX - ((int)currentViewX)); j < w; j += stepX) |
| 452 |
stepArrayX[(int)(j)] ++;
|
| 453 |
|
| 454 |
int h = (int) (Math.ceil(((double)currentViewHeight) * stepY) + 1); |
| 455 |
this.stepArrayY = new int[h]; |
| 456 |
for (double j = Math.abs(lastReadLine - ((int)lastReadLine)); j < h; j += stepY) |
| 457 |
stepArrayY[(int)(j)] ++;
|
| 458 |
}else{
|
| 459 |
isSupersampling = false;
|
| 460 |
this.stepArrayX = this.stepArrayY = null; |
| 461 |
} |
| 462 |
} |
| 463 |
|
| 464 |
int lastY = -1; |
| 465 |
|
| 466 |
/**
|
| 467 |
* Lee una l?nea de bytes
|
| 468 |
* @param line Buffer donde se cargan los datos
|
| 469 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
| 470 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
| 471 |
* por la izquierda a mitad de pixel
|
| 472 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
| 473 |
*/
|
| 474 |
private void readLine(byte[][] line, double initOffset, GdalBuffer[] gdalBuffer){ |
| 475 |
double j = 0D; |
| 476 |
int i = 0; |
| 477 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++){ |
| 478 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j+=stepX) { |
| 479 |
line[iBand][i] = gdalBuffer[iBand].buffByte[(int) j];
|
| 480 |
} |
| 481 |
} |
| 482 |
} |
| 483 |
|
| 484 |
/**
|
| 485 |
* Lee una l?nea de shorts
|
| 486 |
* @param line Buffer donde se cargan los datos
|
| 487 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
| 488 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
| 489 |
* por la izquierda a mitad de pixel
|
| 490 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
| 491 |
*/
|
| 492 |
private void readLine(short[][] line, double initOffset, GdalBuffer[] gdalBuffer){ |
| 493 |
double j = 0D; |
| 494 |
int i = 0; |
| 495 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++){ |
| 496 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j+=stepX) { |
| 497 |
line[iBand][i] = (short)(gdalBuffer[iBand].buffShort[(int) j] & 0xffff); |
| 498 |
} |
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
/**
|
| 503 |
* Lee una l?nea de ints
|
| 504 |
* @param line Buffer donde se cargan los datos
|
| 505 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
| 506 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
| 507 |
* por la izquierda a mitad de pixel
|
| 508 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
| 509 |
*/
|
| 510 |
private void readLine(int[][] line, double initOffset, GdalBuffer[] gdalBuffer){ |
| 511 |
double j = 0D; |
| 512 |
int i = 0; |
| 513 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++){ |
| 514 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j+=stepX) { |
| 515 |
line[iBand][i] = (gdalBuffer[iBand].buffInt[(int) j] & 0xffffffff); |
| 516 |
} |
| 517 |
} |
| 518 |
} |
| 519 |
|
| 520 |
/**
|
| 521 |
* Lee una l?nea de float
|
| 522 |
* @param line Buffer donde se cargan los datos
|
| 523 |
* @param initOffset Desplazamiento inicial desde el margen izquierdo. Esto es necesario para cuando
|
| 524 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
| 525 |
* por la izquierda a mitad de pixel
|
| 526 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
| 527 |
*/
|
| 528 |
private void readLine(float[][] line, double initOffset, GdalBuffer[] gdalBuffer){ |
| 529 |
double j = 0D; |
| 530 |
int i = 0; |
| 531 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++){ |
| 532 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j+=stepX) { |
| 533 |
line[iBand][i] = gdalBuffer[iBand].buffFloat[(int) j];
|
| 534 |
} |
| 535 |
} |
| 536 |
} |
| 537 |
|
| 538 |
/**
|
| 539 |
* Lee una l?nea de doubles
|
| 540 |
* @param line Buffer donde se cargan los datos
|
| 541 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
| 542 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
| 543 |
* por la izquierda a mitad de pixel
|
| 544 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
| 545 |
*/
|
| 546 |
private void readLine(double[][] line, double initOffset, GdalBuffer[] gdalBuffer){ |
| 547 |
double j = 0D; |
| 548 |
int i = 0; |
| 549 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++){ |
| 550 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j+=stepX) { |
| 551 |
line[iBand][i] = gdalBuffer[iBand].buffDouble[(int) j];
|
| 552 |
} |
| 553 |
} |
| 554 |
} |
| 555 |
|
| 556 |
public void readLine(Object line) throws GdalException { |
| 557 |
int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
| 558 |
int x = (int) (currentViewX); |
| 559 |
int y = (int) (lastReadLine); |
| 560 |
GdalBuffer r = null, g = null, b = null; |
| 561 |
GdalBuffer a = new GdalBuffer();
|
| 562 |
|
| 563 |
while(y >= gdalBands[0].getRasterBandYSize()) |
| 564 |
y--; |
| 565 |
|
| 566 |
if (x+w > gdalBands[0].getRasterBandXSize()) |
| 567 |
w = gdalBands[0].getRasterBandXSize()-x;
|
| 568 |
|
| 569 |
if(gdalBands[0].getRasterColorTable() != null){ |
| 570 |
/*Palette palette = new Palette();
|
| 571 |
palette.createPaletteFromGdalColorTable(gdalBands[0].getRasterColorTable());
|
| 572 |
driver.setPalette(palette);*/
|
| 573 |
r = gdalBands[0].readRaster(x, y, w, 1, w, 1, dataType); |
| 574 |
}else{
|
| 575 |
a.buffByte = new byte[w]; |
| 576 |
r = gdalBands[0].readRaster(x, y, w, 1, w, 1, dataType); |
| 577 |
g = b = r; |
| 578 |
if (getRasterCount() > 1 && gdalBands[1] != null) |
| 579 |
g = gdalBands[1].readRaster(x, y, w, 1, w, 1, dataType); |
| 580 |
if (getRasterCount() > 2 && gdalBands[2] != null) |
| 581 |
b = gdalBands[2].readRaster(x, y, w, 1, w, 1, dataType); |
| 582 |
} |
| 583 |
|
| 584 |
lastReadLine += stepY; |
| 585 |
|
| 586 |
double initOffset = Math.abs(currentViewX - ((int)currentViewX)); |
| 587 |
GdalBuffer[] bands = {r, g, b};
|
| 588 |
|
| 589 |
if (dataType == GDT_Byte)
|
| 590 |
readLine((byte[][])line, initOffset, bands); |
| 591 |
else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16) |
| 592 |
readLine((short[][])line, initOffset, bands); |
| 593 |
else if (dataType == GDT_CInt32 || dataType == GDT_Int32 || dataType == GDT_UInt32) |
| 594 |
readLine((int[][])line, initOffset, bands); |
| 595 |
else if(dataType == GDT_Float32 || dataType == GDT_CFloat32) |
| 596 |
readLine((float[][])line, initOffset, bands); |
| 597 |
else if(dataType == GDT_Float64 || dataType == GDT_CFloat64) |
| 598 |
readLine((double[][])line, initOffset, bands); |
| 599 |
|
| 600 |
return;
|
| 601 |
} |
| 602 |
|
| 603 |
/**
|
| 604 |
* Lee una l?nea y la guarda cada elemento sobre un entero. Este entero representa
|
| 605 |
* un valor ARGB
|
| 606 |
* @param line Buffer sobre el que se escribe la linea
|
| 607 |
* @return
|
| 608 |
* @throws GdalException
|
| 609 |
*/
|
| 610 |
int readLineRGBA(int[] line) throws GdalException { |
| 611 |
int err = 0; |
| 612 |
|
| 613 |
int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1); |
| 614 |
int x = (int) currentViewX; |
| 615 |
int y = (int) lastReadLine; |
| 616 |
GdalBuffer r = null, g = null, b = null, p = null; |
| 617 |
GdalBuffer a = new GdalBuffer();
|
| 618 |
|
| 619 |
while(y >= gdalBands[0].getRasterBandYSize()) |
| 620 |
y--; |
| 621 |
|
| 622 |
if (x+w > gdalBands[0].getRasterBandXSize()) |
| 623 |
w = gdalBands[0].getRasterBandXSize()-x;
|
| 624 |
|
| 625 |
if(gdalBands[0].getRasterColorTable() != null){ |
| 626 |
/*Palette palette = new Palette();
|
| 627 |
palette.createPaletteFromGdalColorTable(gdalBands[0].getRasterColorTable());
|
| 628 |
driver.setPalette(palette);*/
|
| 629 |
r = gdalBands[0].readRaster(x, y, w, 1, w, 1, dataType); |
| 630 |
}else{
|
| 631 |
|
| 632 |
r = gdalBands[0].readRaster(x, y, w, 1, w, 1, dataType); |
| 633 |
g = b = r; |
| 634 |
if (getRasterCount() > 1 && gdalBands[1] != null) |
| 635 |
g = gdalBands[1].readRaster(x, y, w, 1, w, 1, dataType); |
| 636 |
if (getRasterCount() > 2 && gdalBands[2] != null) |
| 637 |
b = gdalBands[2].readRaster(x, y, w, 1, w, 1, dataType); |
| 638 |
|
| 639 |
if(metadata.isAlphaBand()){
|
| 640 |
a = gdalBands[3].readRaster(x, y, w, 1, w, 1, GDT_Byte); |
| 641 |
}else{
|
| 642 |
a.buffByte = new byte[w]; |
| 643 |
for (int i = 0;i < w;i++) |
| 644 |
a.buffByte[i] = (byte)255; |
| 645 |
} |
| 646 |
} |
| 647 |
lastReadLine += stepY; |
| 648 |
|
| 649 |
int i=0; |
| 650 |
double j = Math.abs(currentViewX - ((int)currentViewX)); |
| 651 |
int alpha = (this.alpha & 0xff) << 24; |
| 652 |
|
| 653 |
if(orientation[0]){ //Pixel size en X positivo |
| 654 |
if (dataType == GDT_Byte){
|
| 655 |
if(gdalBands[0].getRasterColorTable() != null){ |
| 656 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 657 |
int jInt = (int)(j); |
| 658 |
line[i] = (alpha) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
| 659 |
} |
| 660 |
}else{
|
| 661 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 662 |
int jInt = (int)(j); |
| 663 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
| 664 |
} |
| 665 |
} |
| 666 |
}else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
| 667 |
if (g == null) // Sibgle Band (Typical DEM) |
| 668 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 669 |
int jInt = (int)(j); |
| 670 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
| 671 |
} |
| 672 |
else { // Multiband |
| 673 |
// System.err.println("Raster 16bits multibanda");
|
| 674 |
for (i=0; i<currentViewWidth && j<r.getSize(); i++, j+=stepX) { |
| 675 |
int jInt = (int)(j); |
| 676 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
| 677 |
(((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
| 678 |
(((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
| 679 |
} |
| 680 |
} |
| 681 |
} |
| 682 |
}else{ //Pixel size en X negativo |
| 683 |
if (dataType == GDT_Byte){
|
| 684 |
if(gdalBands[0].getRasterColorTable() != null){ |
| 685 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 686 |
int jInt = (int)(j); |
| 687 |
line[i] = (alpha) + ((r.buffByte[jInt] & 0xff) << 16) + ((r.buffByte[jInt] & 0xff) << 8) + (r.buffByte[jInt] & 0xff); |
| 688 |
} |
| 689 |
}else{
|
| 690 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 691 |
int jInt = (int)(j); |
| 692 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + ((r.buffByte[jInt] & 0xff) << 16) + ((g.buffByte[jInt] & 0xff) << 8) + (b.buffByte[jInt] & 0xff); |
| 693 |
} |
| 694 |
} |
| 695 |
}else if (dataType == GDT_CInt16 || dataType == GDT_Int16 || dataType == GDT_UInt16){ |
| 696 |
if (g == null) // Sibgle Band (Typical DEM) |
| 697 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 698 |
int jInt = (int)(j); |
| 699 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) + r.buffShort[jInt]; |
| 700 |
} |
| 701 |
else { // Multiband |
| 702 |
// System.err.println("Raster 16bits multibanda");
|
| 703 |
for (i=currentViewWidth - 1; i>=0 && j<r.getSize(); i--, j+=stepX) { |
| 704 |
int jInt = (int)(j); |
| 705 |
line[i] = (alpha & ((a.buffByte[jInt])& 0xff) << 24) | (((r.buffShort[jInt] & 0xfff0) << 12) & 0xff0000 ) | |
| 706 |
(((g.buffShort[jInt] & 0xfff0) << 4 ) & 0xff00 ) | |
| 707 |
(((b.buffShort[jInt] & 0xfff0) >> 4 ) & 0xff ); |
| 708 |
} |
| 709 |
} |
| 710 |
} |
| 711 |
} |
| 712 |
return err;
|
| 713 |
} |
| 714 |
|
| 715 |
/**
|
| 716 |
* Lee una ventana de datos sin resampleo a partir de coordenadas reales.
|
| 717 |
* @param buf Buffer donde se almacenan los datos
|
| 718 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
| 719 |
* @param dWorldTLX Posici?n X en pixeles
|
| 720 |
* @param dWorldTLY Posici?n Y en pixeles
|
| 721 |
* @param w Ancho en pixeles
|
| 722 |
* @param h Alto en pixeles
|
| 723 |
* @throws GdalException
|
| 724 |
*/
|
| 725 |
public void readWindow(RasterBuf buf, BandList bandList, double dWorldTLX, double dWorldTLY, |
| 726 |
int nWidth, int nHeight) throws GdalException { |
| 727 |
Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
| 728 |
|
| 729 |
gdalBands = new GdalRasterBand[getRasterCount()];
|
| 730 |
isSupersampling = false;
|
| 731 |
if(gdalBands.length == 0) |
| 732 |
return;
|
| 733 |
|
| 734 |
try {
|
| 735 |
// Selecciona las bandas
|
| 736 |
gdalBands[0] = getRasterBand(1); |
| 737 |
setDataType(gdalBands[0].getRasterDataType());
|
| 738 |
for(int iBand = 1; iBand < gdalBands.length; iBand++) |
| 739 |
gdalBands[iBand] = getRasterBand(iBand + 1);
|
| 740 |
|
| 741 |
} catch (GdalException e) {
|
| 742 |
e.printStackTrace(); |
| 743 |
} |
| 744 |
|
| 745 |
int x = (int) Math.ceil(tl.getX()); |
| 746 |
int y = (int) Math.ceil(tl.getY()); |
| 747 |
|
| 748 |
if ((x + nWidth) > gdalBands[0].getRasterBandXSize()) |
| 749 |
nWidth = gdalBands[0].getRasterBandXSize() - x;
|
| 750 |
|
| 751 |
if ((y + nHeight) > gdalBands[0].getRasterBandYSize()) |
| 752 |
nHeight = gdalBands[0].getRasterBandYSize() - y;
|
| 753 |
|
| 754 |
int yMax = y + nHeight;
|
| 755 |
readData(buf, bandList, x, y, nWidth, yMax); |
| 756 |
} |
| 757 |
|
| 758 |
/**
|
| 759 |
* Lee una ventana de datos con resampleo a partir de coordenadas reales. Este m?todo lee la
|
| 760 |
* ventana de una vez cargando los datos de un golpe en el buffer. Las coordenadas se solicitan
|
| 761 |
* en coordenadas del mundo real por lo que estas pueden caer en cualquier parte de un pixel.
|
| 762 |
* Esto se hace m?s evidente cuando supersampleamos en la petici?n, es decir el buffer de de
|
| 763 |
* mayor tama?o que el n?mero de pixels solicitado.
|
| 764 |
*
|
| 765 |
* Para resolver esto escribiremos con la funci?n readRaster los datos sobre un buffer mayor
|
| 766 |
* que el solicitado. Despu?s calcularemos el desplazamiento en pixels dentro de este buffer
|
| 767 |
* de mayor tama?o hasta llegar a la coordenada real donde comienza la petici?n real que ha
|
| 768 |
* hecho el usuario. Esto es as? porque cuando supersampleamos no queremos los pixeles del
|
| 769 |
* raster de disco completos sino que en los bordes del buffer quedan cortados.
|
| 770 |
*
|
| 771 |
* @param buf Buffer donde se almacenan los datos
|
| 772 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
| 773 |
* @param dWorldTLX Posici?n X en pixeles
|
| 774 |
* @param dWorldTLY Posici?n Y en pixeles
|
| 775 |
* @param nWidth Ancho en pixeles
|
| 776 |
* @param nHeight Alto en pixeles
|
| 777 |
* @param bufWidth Ancho del buffer
|
| 778 |
* @param bufHeight Alto del buffer
|
| 779 |
* @throws GdalException
|
| 780 |
*/
|
| 781 |
public void readWindow(RasterBuf buf, BandList bandList, double dWorldTLX, double dWorldTLY, double dWorldBRX, double dWorldBRY, |
| 782 |
double nWidth, double nHeight, int bufWidth, int bufHeight) throws GdalException { |
| 783 |
setView(dWorldTLX, dWorldTLY, dWorldBRX, dWorldBRY, bufWidth, bufHeight, new boolean[]{true, false}); |
| 784 |
Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
| 785 |
Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
| 786 |
|
| 787 |
if(gdalBands.length == 0) |
| 788 |
return;
|
| 789 |
|
| 790 |
selectGdalBands(buf.getBandCount()); |
| 791 |
|
| 792 |
int x = (int) tl.getX(); |
| 793 |
int y = (int) tl.getY(); |
| 794 |
int endX = (int) Math.ceil(br.getX()); |
| 795 |
int endY = (int) Math.ceil(br.getY()); |
| 796 |
|
| 797 |
int stpX = 0; |
| 798 |
int stpY = 0; |
| 799 |
|
| 800 |
if(bufWidth > Math.ceil(nWidth)){ |
| 801 |
stpX = (int)(((tl.getX() - x) * bufWidth) / nWidth);
|
| 802 |
bufWidth = (int)((Math.abs(endX - x) * bufWidth) / nWidth); |
| 803 |
} |
| 804 |
if(bufHeight > Math.ceil(nHeight)){ |
| 805 |
stpY = (int)(((tl.getY() - y) * bufHeight) / nHeight);
|
| 806 |
bufHeight = (int)((Math.abs(endY - y) * bufHeight) / nHeight); |
| 807 |
} |
| 808 |
|
| 809 |
nWidth = (int)Math.abs(endX - x); |
| 810 |
nHeight = (int)Math.abs(endY - y); |
| 811 |
|
| 812 |
if ((x + nWidth) > gdalBands[0].getRasterBandXSize()) |
| 813 |
nWidth = gdalBands[0].getRasterBandXSize() - x;
|
| 814 |
|
| 815 |
if ((y + nHeight) > gdalBands[0].getRasterBandYSize()) |
| 816 |
nHeight = gdalBands[0].getRasterBandYSize() - y;
|
| 817 |
|
| 818 |
int[] stpBuffer = new int[]{0, 0 , buf.getWidth(), buf.getHeight()}; |
| 819 |
readData(buf, bandList, x, y, (int)nWidth, (int)nHeight, bufWidth, bufHeight, stpX, stpY, stpBuffer); |
| 820 |
} |
| 821 |
|
| 822 |
/**
|
| 823 |
* Lee una ventana de datos sin resampleo a partir de coordenadas en pixeles. Esta funci?n es usuada por
|
| 824 |
* readWindow para coordenadas reales y readWindow en coordenadas pixel.
|
| 825 |
* @param buf Buffer donde se almacenan los datos
|
| 826 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
| 827 |
* @param x Posici?n X en pixeles
|
| 828 |
* @param y Posici?n Y en pixeles
|
| 829 |
* @param w Ancho en pixeles
|
| 830 |
* @param yMax altura m?xima de y
|
| 831 |
* @throws GdalException
|
| 832 |
*/
|
| 833 |
private void readData(RasterBuf buf, BandList bandList, int x, int y, int w, int h, int bufWidth, int bufHeight, int stpX, int stpY, int[] stepBuffer) throws GdalException { |
| 834 |
//TODO: FUNCIONALIDAD: Orientaci?n del raster. orientaion[0] para pixels en X y orientation[1] para pixels en Y
|
| 835 |
GdalBuffer gdalBuf = null;
|
| 836 |
for(int iBand = 0; iBand < gdalBands.length; iBand++){ |
| 837 |
int[] drawableBands = bandList.getBufferBandToDraw(fileName, iBand); |
| 838 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
| 839 |
continue;
|
| 840 |
int init = (int)((bufWidth * stpY) + stpX); //Pos inicial. Desplazamos stpX pixels hacia la derecha y bajamos stpY lineas |
| 841 |
int pos = init;
|
| 842 |
gdalBuf = gdalBands[iBand].readRaster(x, y, w, h, bufWidth, bufHeight, dataType); |
| 843 |
if(dataType == Gdal.GDT_Byte){
|
| 844 |
for (int line = stepBuffer[1]; line < stepBuffer[3]/*buf.getHeight()*/; line++) { |
| 845 |
pos = (int)((bufWidth * line) + init);
|
| 846 |
for (int col = stepBuffer[0]; col < stepBuffer[2]/*buf.getWidth()*/; col ++){ |
| 847 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ //Una misma banda del raster puede ir dibujada en varias bandas del buffer. |
| 848 |
buf.setElemByte(line, col, drawableBands[drawBands], gdalBuf.buffByte[pos]); |
| 849 |
} |
| 850 |
pos ++; |
| 851 |
} |
| 852 |
} |
| 853 |
}else if((dataType == Gdal.GDT_UInt16) || (dataType == Gdal.GDT_Int16) || (dataType == Gdal.GDT_CInt16)){ |
| 854 |
for (int line = stepBuffer[1]; line < stepBuffer[3]; line++) { |
| 855 |
pos = (int)((bufWidth * line) + init);
|
| 856 |
for (int col = stepBuffer[0]; col < stepBuffer[2]; col ++){ |
| 857 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ //Una misma banda del raster puede ir dibujada en varias bandas del buffer. |
| 858 |
buf.setElemShort(line, col, drawableBands[drawBands], gdalBuf.buffShort[pos]); |
| 859 |
} |
| 860 |
pos ++; |
| 861 |
} |
| 862 |
} |
| 863 |
}else if((dataType == Gdal.GDT_UInt32) || (dataType == Gdal.GDT_Int32) || (dataType == Gdal.GDT_CInt32)){ |
| 864 |
for (int line = stepBuffer[1]; line < stepBuffer[3]; line++) { |
| 865 |
pos = (int)((bufWidth * line) + init);
|
| 866 |
for (int col = stepBuffer[0]; col < stepBuffer[2]; col ++){ |
| 867 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ //Una misma banda del raster puede ir dibujada en varias bandas del buffer. |
| 868 |
buf.setElemInt(line, col, drawableBands[drawBands], gdalBuf.buffInt[pos]); |
| 869 |
} |
| 870 |
pos ++; |
| 871 |
} |
| 872 |
} |
| 873 |
}else if(dataType == Gdal.GDT_Float32){ |
| 874 |
for (int line = stepBuffer[1]; line < stepBuffer[3]; line++) { |
| 875 |
pos = (int)((bufWidth * line) + init);
|
| 876 |
for (int col = stepBuffer[0]; col < stepBuffer[2]; col ++){ |
| 877 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ //Una misma banda del raster puede ir dibujada en varias bandas del buffer. |
| 878 |
buf.setElemFloat(line, col, drawableBands[drawBands], gdalBuf.buffFloat[pos]); |
| 879 |
} |
| 880 |
pos ++; |
| 881 |
} |
| 882 |
} |
| 883 |
}else if(dataType == Gdal.GDT_Float64){ |
| 884 |
for (int line = stepBuffer[1]; line < stepBuffer[3]; line++) { |
| 885 |
pos = (int)((bufWidth * line) + init);
|
| 886 |
for (int col = stepBuffer[0]; col < stepBuffer[2]; col ++){ |
| 887 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ //Una misma banda del raster puede ir dibujada en varias bandas del buffer. |
| 888 |
buf.setElemDouble(line, col, drawableBands[drawBands], gdalBuf.buffDouble[pos]); |
| 889 |
} |
| 890 |
pos ++; |
| 891 |
} |
| 892 |
} |
| 893 |
} |
| 894 |
} |
| 895 |
} |
| 896 |
|
| 897 |
|
| 898 |
/**
|
| 899 |
* Lee una ventana de datos sin resampleo a partir de coordenadas reales.
|
| 900 |
* @param buf Buffer donde se almacenan los datos
|
| 901 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
| 902 |
* @param dWorldTLX Posici?n X superior izquierda en coord reales
|
| 903 |
* @param dWorldTLY Posici?n Y superior izquierda en coord reales
|
| 904 |
* @param dWorldBRX Posici?n X inferior derecha en coord reales
|
| 905 |
* @param dWorldBRY Posici?n Y inferior derecha en coord reales
|
| 906 |
* @param nWidth Ancho en pixeles del buffer
|
| 907 |
* @param nHeight Alto en pixeles del buffer
|
| 908 |
* @throws GdalException
|
| 909 |
*/
|
| 910 |
public void readWindowWithNoData(RasterBuf buf, BandList bandList, double dWorldTLX, double dWorldTLY,double dWorldBRX, double dWorldBRY, |
| 911 |
int nWidth, int nHeight) throws GdalException { |
| 912 |
Extent petExtent = new Extent(dWorldTLX, dWorldTLY, dWorldBRX, dWorldBRY);
|
| 913 |
if(dWorldTLX < bBoxWithoutRot.minX)
|
| 914 |
dWorldTLX = bBoxWithoutRot.minX; |
| 915 |
if(dWorldTLY > bBoxWithoutRot.maxY)
|
| 916 |
dWorldTLY = bBoxWithoutRot.maxY; |
| 917 |
if(dWorldBRX > bBoxWithoutRot.maxX)
|
| 918 |
dWorldBRX = bBoxWithoutRot.maxX; |
| 919 |
if(dWorldBRY < bBoxWithoutRot.minY)
|
| 920 |
dWorldBRY = bBoxWithoutRot.minY; |
| 921 |
setView(dWorldTLX, dWorldTLY, dWorldBRX, dWorldBRY, nWidth, nHeight, new boolean[]{true, false}); |
| 922 |
Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
| 923 |
|
| 924 |
if(gdalBands.length == 0) |
| 925 |
return;
|
| 926 |
|
| 927 |
selectGdalBands(buf.getBandCount()); |
| 928 |
|
| 929 |
int x = (int) tl.getX(); |
| 930 |
int y = (int) tl.getY(); |
| 931 |
|
| 932 |
int[] stpBuffer = new int[]{0, 0 , buf.getWidth(), buf.getHeight()}; |
| 933 |
//Si el buffer no se ajusta al extent entonces calculamos en que posici?n comienza a escribirse dentro del buffer
|
| 934 |
//ya que lo que cae fuera ser?n valores NoData
|
| 935 |
|
| 936 |
int[] wh = calcStepBuffer(petExtent, nWidth, nHeight, stpBuffer); |
| 937 |
if(x < 0) |
| 938 |
x = 0;
|
| 939 |
if(y < 0) |
| 940 |
y = 0;
|
| 941 |
readData(buf, bandList, x, y, wh[0], wh[1], wh[0], wh[1], 0, 0, stpBuffer); |
| 942 |
} |
| 943 |
|
| 944 |
/**
|
| 945 |
* Cuando se hace una petici?n de carga de buffer la extensi?n pedida puede estar ajustada a la extensi?n del raster
|
| 946 |
* o no estarlo. En caso de no estarlo los pixeles del buffer que caen fuera de la extensi?n del raster tendr?n valor
|
| 947 |
* de NoData. Esta funci?n calcula en que pixel del buffer hay que empezar a escribir en caso de que este sea mayor
|
| 948 |
* que los datos a leer.
|
| 949 |
* @param dWorldTLX Posici?n X superior izquierda en coord reales
|
| 950 |
* @param dWorldTLY Posici?n Y superior izquierda en coord reales
|
| 951 |
* @param dWorldBRX Posici?n X inferior derecha en coord reales
|
| 952 |
* @param dWorldBRY Posici?n Y inferior derecha en coord reales
|
| 953 |
* @param nWidth Ancho en pixeles del buffer
|
| 954 |
* @param nHeight Alto en pixeles del buffer
|
| 955 |
* @return desplazamiento dentro del buffer en X e Y
|
| 956 |
*/
|
| 957 |
private int[] calcStepBuffer(Extent dataExtent, int nWidth, int nHeight, int[] stpBuffer){ |
| 958 |
Extent imageExtent = new Extent(bBoxWithoutRot.minX, bBoxWithoutRot.minY, bBoxWithoutRot.maxX, bBoxWithoutRot.maxY);
|
| 959 |
Extent ajustDataExtent = Utilities.calculateAdjustedView(dataExtent, imageExtent);
|
| 960 |
if(!Utilities.compareExtents(dataExtent, ajustDataExtent)){ |
| 961 |
Point2D p1 = worldToRaster(new Point2D.Double(ajustDataExtent.minX(), ajustDataExtent.maxY())); |
| 962 |
Point2D p2 = worldToRaster(new Point2D.Double(ajustDataExtent.maxX(), ajustDataExtent.minY())); |
| 963 |
Point2D p3 = worldToRaster(new Point2D.Double(dataExtent.minX(), dataExtent.maxY())); |
| 964 |
Point2D p4 = worldToRaster(new Point2D.Double(dataExtent.maxX(), dataExtent.minY())); |
| 965 |
//Ese es el ancho y alto q tendr?a el buffer en caso de haberse ajustado
|
| 966 |
int w = (int)Math.abs(Math.ceil(p2.getX()) - Math.floor(p1.getX())); |
| 967 |
int h = (int)Math.abs(Math.floor(p1.getY()) - Math.ceil(p2.getY())); |
| 968 |
|
| 969 |
stpBuffer[0] = (int)(p1.getX() + (-p3.getX())); |
| 970 |
stpBuffer[1] = (int)(p1.getY() + (-p3.getY())); |
| 971 |
stpBuffer[2] = stpBuffer[0] + w; |
| 972 |
stpBuffer[3] = stpBuffer[1] + h; |
| 973 |
return new int[]{w, h}; |
| 974 |
} |
| 975 |
return new int[]{nWidth, nHeight}; |
| 976 |
} |
| 977 |
|
| 978 |
/**
|
| 979 |
* Selecciona bandas y overview en el objeto GdalRasterBand[] para el n?mero de bandas solicitado.
|
| 980 |
* @param nbands N?mero de bandas solicitado.
|
| 981 |
* @throws GdalException
|
| 982 |
*/
|
| 983 |
public void selectGdalBands(int nbands)throws GdalException{ |
| 984 |
gdalBands = new GdalRasterBand[nbands];
|
| 985 |
//Selecciona las bandas y los overviews necesarios
|
| 986 |
gdalBands[0] = getRasterBand(1); |
| 987 |
for(int i = 0; i < nbands; i++) |
| 988 |
gdalBands[i] = gdalBands[0];
|
| 989 |
|
| 990 |
setDataType(gdalBands[0].getRasterDataType());
|
| 991 |
|
| 992 |
for(int i = 2; i <= nbands; i++){ |
| 993 |
if(getRasterCount() >= i){
|
| 994 |
gdalBands[i - 1] = getRasterBand(i);
|
| 995 |
for(int j = i; j < nbands; j++) |
| 996 |
gdalBands[j] = gdalBands[i - 1];
|
| 997 |
} |
| 998 |
} |
| 999 |
|
| 1000 |
if (currentOverview > 0) { |
| 1001 |
gdalBands[0] = gdalBands[0].getOverview(currentOverview); |
| 1002 |
for(int i = 2; i <= nbands; i++){ |
| 1003 |
if(getRasterCount() >= i)
|
| 1004 |
gdalBands[i - 1] = gdalBands[i - 1].getOverview(currentOverview); |
| 1005 |
} |
| 1006 |
} |
| 1007 |
} |
| 1008 |
|
| 1009 |
/**
|
| 1010 |
* Lee una ventana de datos sin resampleo a partir de coordenadas en pixeles.
|
| 1011 |
* @param buf Buffer donde se almacenan los datos
|
| 1012 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
| 1013 |
* @param x Posici?n X en pixeles
|
| 1014 |
* @param y Posici?n Y en pixeles
|
| 1015 |
* @param w Ancho en pixeles
|
| 1016 |
* @param h Alto en pixeles
|
| 1017 |
* @throws GdalException
|
| 1018 |
*/
|
| 1019 |
public void readWindow(RasterBuf buf, BandList bandList, int x, int y, int w, int h) throws GdalException { |
| 1020 |
GdalBuffer gdalBuf = null;
|
| 1021 |
gdalBands = new GdalRasterBand[getRasterCount()];
|
| 1022 |
isSupersampling = false;
|
| 1023 |
if(gdalBands.length == 0) |
| 1024 |
return;
|
| 1025 |
|
| 1026 |
// Selecciona las bandas
|
| 1027 |
gdalBands[0] = getRasterBand(1); |
| 1028 |
setDataType(gdalBands[0].getRasterDataType());
|
| 1029 |
for(int iBand = 1; iBand < gdalBands.length; iBand++) |
| 1030 |
gdalBands[iBand] = getRasterBand(iBand + 1);
|
| 1031 |
|
| 1032 |
int yMax = y + h;
|
| 1033 |
readData(buf, bandList, x, y, w, yMax); |
| 1034 |
} |
| 1035 |
|
| 1036 |
/**
|
| 1037 |
* Lee una ventana de datos sin resampleo a partir de coordenadas en pixeles. Esta funci?n es usuada por
|
| 1038 |
* readWindow para coordenadas reales y readWindow en coordenadas pixel.
|
| 1039 |
* @param buf Buffer donde se almacenan los datos
|
| 1040 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
| 1041 |
* @param x Posici?n X en pixeles
|
| 1042 |
* @param y Posici?n Y en pixeles
|
| 1043 |
* @param w Ancho en pixeles
|
| 1044 |
* @param yMax altura m?xima de y
|
| 1045 |
* @throws GdalException
|
| 1046 |
*/
|
| 1047 |
private void readData(RasterBuf buf, BandList bandList, int x, int y, int w, int yMax) throws GdalException { |
| 1048 |
GdalBuffer gdalBuf = null;
|
| 1049 |
int rasterBufLine;
|
| 1050 |
for(int iBand = 0; iBand < gdalBands.length; iBand++){ |
| 1051 |
int[] drawableBands = bandList.getBufferBandToDraw(fileName, iBand); |
| 1052 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
| 1053 |
continue;
|
| 1054 |
if(dataType == Gdal.GDT_Byte){
|
| 1055 |
for (int line = y; line < yMax; line++) { |
| 1056 |
gdalBuf = gdalBands[iBand].readRaster(x, line, w, 1, w, 1, dataType); |
| 1057 |
rasterBufLine = line - y; |
| 1058 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) |
| 1059 |
buf.setLineInBandByte(gdalBuf.buffByte, rasterBufLine, drawableBands[drawBands]); |
| 1060 |
} |
| 1061 |
}else if((dataType == Gdal.GDT_UInt16) || (dataType == Gdal.GDT_Int16) || (dataType == Gdal.GDT_CInt16)){ |
| 1062 |
for (int line = y; line < yMax; line++) { |
| 1063 |
gdalBuf = gdalBands[iBand].readRaster(x, line, w, 1, w, 1, dataType); |
| 1064 |
rasterBufLine = line - y; |
| 1065 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) |
| 1066 |
buf.setLineInBandShort(gdalBuf.buffShort, rasterBufLine, drawableBands[drawBands]); |
| 1067 |
} |
| 1068 |
}else if((dataType == Gdal.GDT_UInt32) || (dataType == Gdal.GDT_Int32) || (dataType == Gdal.GDT_CInt32)){ |
| 1069 |
for (int line = y; line < yMax; line++) { |
| 1070 |
gdalBuf = gdalBands[iBand].readRaster(x, line, w, 1, w, 1, dataType); |
| 1071 |
rasterBufLine = line - y; |
| 1072 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) |
| 1073 |
buf.setLineInBandInt(gdalBuf.buffInt, rasterBufLine, drawableBands[drawBands]); |
| 1074 |
} |
| 1075 |
}else if(dataType == Gdal.GDT_Float32){ |
| 1076 |
for (int line = y; line < yMax; line++) { |
| 1077 |
gdalBuf = gdalBands[iBand].readRaster(x, line, w, 1, w, 1, dataType); |
| 1078 |
rasterBufLine = line - y; |
| 1079 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) |
| 1080 |
buf.setLineInBandFloat(gdalBuf.buffFloat, rasterBufLine, drawableBands[drawBands]); |
| 1081 |
} |
| 1082 |
}else if(dataType == Gdal.GDT_Float64){ |
| 1083 |
for (int line = y; line < yMax; line++) { |
| 1084 |
gdalBuf = gdalBands[iBand].readRaster(x, line, w, 1, w, 1, dataType); |
| 1085 |
rasterBufLine = line - y; |
| 1086 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) |
| 1087 |
buf.setLineInBandDouble(gdalBuf.buffDouble, rasterBufLine, drawableBands[drawBands]); |
| 1088 |
} |
| 1089 |
} |
| 1090 |
} |
| 1091 |
} |
| 1092 |
|
| 1093 |
/* (non-Javadoc)
|
| 1094 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 1095 |
*/
|
| 1096 |
public Object[] getData(int x, int y) { |
| 1097 |
try {
|
| 1098 |
Object[] data = new Object[getRasterCount()]; |
| 1099 |
for(int i = 0; i < getRasterCount(); i++){ |
| 1100 |
GdalRasterBand rb = getRasterBand(i + 1);
|
| 1101 |
GdalBuffer r = rb.readRaster(x, y, 1, 1, 1, 1, dataType); |
| 1102 |
switch(dataType){
|
| 1103 |
case 0: break; //Sin tipo |
| 1104 |
case 1: data[i] = new Integer(r.buffByte[0]); //Buffer byte (8) |
| 1105 |
break;
|
| 1106 |
case 2: //Buffer short (16) |
| 1107 |
case 3: data[i] = new Integer(r.buffShort[0]); //Buffer short (16) |
| 1108 |
break;
|
| 1109 |
case 4: //Buffer int (32) |
| 1110 |
case 5: data[i] = new Integer(r.buffInt[0]); //Buffer int (32) |
| 1111 |
break;
|
| 1112 |
case 6: data[i] = new Float(r.buffFloat[0]); //Buffer float (32) |
| 1113 |
break;
|
| 1114 |
case 7: data[i] = new Double(r.buffDouble[0]); //Buffer double (64) |
| 1115 |
break;
|
| 1116 |
} |
| 1117 |
} |
| 1118 |
return data;
|
| 1119 |
} catch (GdalException e) {
|
| 1120 |
return null; |
| 1121 |
} |
| 1122 |
} |
| 1123 |
|
| 1124 |
void pintaInfo() {
|
| 1125 |
try {
|
| 1126 |
//System.out.println("Origin = "+originX+","+originY);
|
| 1127 |
//System.out.println("Origin = "+this.);
|
| 1128 |
System.out.println("GeoTransform:"); |
| 1129 |
GeoTransform trans = getGeoTransform(); |
| 1130 |
for (int i=0; i<6; i++) |
| 1131 |
System.out.println(" param["+i+"]="+trans.adfgeotransform[i]); |
| 1132 |
System.out.println("Metadata:"); |
| 1133 |
String [] metadata = getMetadata(); |
| 1134 |
for (int i=0; i<metadata.length; i++) { |
| 1135 |
System.out.println(metadata[i]);
|
| 1136 |
} |
| 1137 |
} catch (GdalException e) {
|
| 1138 |
|
| 1139 |
} |
| 1140 |
|
| 1141 |
} |
| 1142 |
|
| 1143 |
void pintaPaleta() {
|
| 1144 |
} |
| 1145 |
|
| 1146 |
public int getBlockSize(){ |
| 1147 |
return this.getBlockSize(); |
| 1148 |
} |
| 1149 |
|
| 1150 |
/**
|
| 1151 |
* Obtiene el objeto que contiene los metadatos
|
| 1152 |
*/
|
| 1153 |
public Metadata getMetadataJavaObject() {
|
| 1154 |
return metadata;
|
| 1155 |
} |
| 1156 |
|
| 1157 |
/**
|
| 1158 |
* Obtiene el flag que dice si la imagen est? o no georreferenciada
|
| 1159 |
* @return true si est? georreferenciada y false si no lo est?.
|
| 1160 |
*/
|
| 1161 |
public boolean isGeoreferenced() { |
| 1162 |
return georeferenced;
|
| 1163 |
} |
| 1164 |
|
| 1165 |
} |
| 1166 |
|
| 1167 |
/**
|
| 1168 |
* @author Luis W. Sevilla
|
| 1169 |
*/
|
| 1170 |
public class GdalFile extends GeoRasterFile { |
| 1171 |
public final static int BAND_HEIGHT = 64; |
| 1172 |
protected GdalNative file = null; |
| 1173 |
/**
|
| 1174 |
* Tama?o de pixel para las imagenes con fichero RMF. No podemos salvarlo en file porque es necesario conocer el
|
| 1175 |
* tama?o de pixel asignado por rl .rmf y el tama?o de pixel real.
|
| 1176 |
*/
|
| 1177 |
private double pixelSizeX = 0D, pixelSizeY = 0D; |
| 1178 |
|
| 1179 |
private Extent v = null; |
| 1180 |
|
| 1181 |
public GdalFile(IProjection proj, String fName)throws NotSupportedExtensionException{ |
| 1182 |
super(proj, fName);
|
| 1183 |
extent = new Extent();
|
| 1184 |
try {
|
| 1185 |
file = new GdalNative(fName, this); |
| 1186 |
load(); |
| 1187 |
readGeoInfo(fName); |
| 1188 |
bandCount = file.getRasterCount(); |
| 1189 |
if ( bandCount > 2) { |
| 1190 |
setBand(RED_BAND, 0);
|
| 1191 |
setBand(GREEN_BAND, 1);
|
| 1192 |
setBand(BLUE_BAND, 2);
|
| 1193 |
} else
|
| 1194 |
setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);
|
| 1195 |
} catch (GdalException e) {
|
| 1196 |
throw new NotSupportedExtensionException("Extension not supported"); |
| 1197 |
} catch(Exception e){ |
| 1198 |
System.out.println("Error en GdalOpen"); |
| 1199 |
e.printStackTrace(); |
| 1200 |
file = null;
|
| 1201 |
} |
| 1202 |
|
| 1203 |
//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf
|
| 1204 |
setDataType(org.cresques.util.Utilities.getRasterBufTypeFromGdalType(file.getDataType())); |
| 1205 |
} |
| 1206 |
|
| 1207 |
/**
|
| 1208 |
* Obtenemos o calculamos el extent de la imagen.
|
| 1209 |
*/
|
| 1210 |
public GeoFile load() {
|
| 1211 |
extent = new Extent(file.bBoxRot.minX, file.bBoxRot.minY, file.bBoxRot.maxX, file.bBoxRot.maxY);
|
| 1212 |
requestExtent = new Extent(file.bBoxWithoutRot.minX, file.bBoxWithoutRot.minY, file.bBoxWithoutRot.maxX, file.bBoxWithoutRot.maxY);
|
| 1213 |
return this; |
| 1214 |
} |
| 1215 |
|
| 1216 |
/**
|
| 1217 |
* Cierra el fichero de imagen
|
| 1218 |
*/
|
| 1219 |
public void close() { |
| 1220 |
try {
|
| 1221 |
if(file != null){ |
| 1222 |
file.close(); |
| 1223 |
file = null;
|
| 1224 |
} |
| 1225 |
} catch (GdalException e) {
|
| 1226 |
// TODO Auto-generated catch block
|
| 1227 |
e.printStackTrace(); |
| 1228 |
} |
| 1229 |
} |
| 1230 |
|
| 1231 |
/**
|
| 1232 |
* Asigna a cada banda R,G o B una banda de la imagen
|
| 1233 |
*/
|
| 1234 |
public void setBand(int flag, int bandNr) { |
| 1235 |
super.setBand(flag, bandNr);
|
| 1236 |
if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND) file.rBandNr = bandNr+1; |
| 1237 |
if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) file.gBandNr = bandNr+1; |
| 1238 |
if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) file.bBandNr = bandNr+1; |
| 1239 |
} |
| 1240 |
|
| 1241 |
/**
|
| 1242 |
* Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n
|
| 1243 |
* de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v)
|
| 1244 |
* ha de estar en coordenadas del fichero.
|
| 1245 |
*/
|
| 1246 |
public void setView(Extent e) { |
| 1247 |
if(rmfExists){
|
| 1248 |
|
| 1249 |
Point2D.Double petInit = null, petEnd = null; |
| 1250 |
try{
|
| 1251 |
petInit = new Point2D.Double(e.minX(), e.maxY()); |
| 1252 |
petEnd = new Point2D.Double(e.maxX(), e.minY()); |
| 1253 |
transformRMF.inverseTransform(petInit, petInit); |
| 1254 |
transformRMF.inverseTransform(petEnd, petEnd); |
| 1255 |
transformTFW.transform(petInit, petInit); |
| 1256 |
transformTFW.transform(petEnd, petEnd); |
| 1257 |
}catch(NoninvertibleTransformException ex){} |
| 1258 |
double h = file.bBoxWithoutRot.maxY - file.bBoxWithoutRot.minY;
|
| 1259 |
if(!file.isGeoreferenced())
|
| 1260 |
v = new Extent( petInit.getX(), h - petInit.getY(), petEnd.getX(), h - petEnd.getY());
|
| 1261 |
else
|
| 1262 |
v = new Extent( petInit.getX(), petInit.getY(), petEnd.getX(), petEnd.getY());
|
| 1263 |
|
| 1264 |
}else
|
| 1265 |
v = new Extent(e.minX(), e.minY(), e.maxX(), e.maxY());
|
| 1266 |
} |
| 1267 |
|
| 1268 |
/**
|
| 1269 |
* Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
|
| 1270 |
* asociado. En Gdal el origen de coordenadas en Y es el valor m?nimo y crece hasta el m?ximo. De la
|
| 1271 |
* misma forma calcula la matriz de transformaci?n de la cabecera del fichero o del world file asociado
|
| 1272 |
* @param originX Origen de la imagen en la coordenada X
|
| 1273 |
* @param originY Origen de la imagen en la coordenada Y
|
| 1274 |
*/
|
| 1275 |
public void setExtentTransform(double originX, double originY, double psX, double psY) { |
| 1276 |
transformRMF.setToTranslation(originX, originY); |
| 1277 |
transformRMF.scale(psX, psY); |
| 1278 |
|
| 1279 |
if(file.trans != null){ |
| 1280 |
transformTFW.setToTranslation(file.trans.adfgeotransform[0], file.trans.adfgeotransform[3]); |
| 1281 |
transformTFW.scale(file.trans.adfgeotransform[1], file.trans.adfgeotransform[5]); |
| 1282 |
} |
| 1283 |
} |
| 1284 |
|
| 1285 |
/**
|
| 1286 |
* Obtiene extent de la vista actual
|
| 1287 |
*/
|
| 1288 |
public Extent getView() {
|
| 1289 |
return v;
|
| 1290 |
} |
| 1291 |
|
| 1292 |
/**
|
| 1293 |
* Obtiene la anchura del fichero
|
| 1294 |
*/
|
| 1295 |
public int getWidth() { |
| 1296 |
return file.width;
|
| 1297 |
} |
| 1298 |
|
| 1299 |
/**
|
| 1300 |
* Obtiene la altura del fichero
|
| 1301 |
*/
|
| 1302 |
public int getHeight() { |
| 1303 |
return file.height;
|
| 1304 |
} |
| 1305 |
|
| 1306 |
/* (non-Javadoc)
|
| 1307 |
* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
|
| 1308 |
*/
|
| 1309 |
public void reProject(ICoordTrans rp) { |
| 1310 |
// TODO Auto-generated method stub
|
| 1311 |
} |
| 1312 |
|
| 1313 |
/**
|
| 1314 |
* Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder
|
| 1315 |
* asignarlo en el setView. Esto es util para poder conocer como debe leerse la image,
|
| 1316 |
* de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda.
|
| 1317 |
* La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose
|
| 1318 |
* en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son:
|
| 1319 |
* <UL>
|
| 1320 |
* <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
|
| 1321 |
* <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
|
| 1322 |
* <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
|
| 1323 |
* <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
|
| 1324 |
* </UL>
|
| 1325 |
*
|
| 1326 |
* @return
|
| 1327 |
*/
|
| 1328 |
private boolean[] getOrientation(){ |
| 1329 |
boolean[] orientation = {true, false}; |
| 1330 |
if(!rmfExists){
|
| 1331 |
if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[5] > 0) |
| 1332 |
orientation[1] = true; |
| 1333 |
if(file.trans != null && file.trans.adfgeotransform != null && file.trans.adfgeotransform[1] < 0) |
| 1334 |
orientation[0] = false; |
| 1335 |
}else{
|
| 1336 |
if(rmfTransform.getScaleY() > 0) |
| 1337 |
orientation[1] = true; |
| 1338 |
if(rmfTransform.getScaleX() < 0) |
| 1339 |
orientation[0] = false; |
| 1340 |
} |
| 1341 |
return orientation;
|
| 1342 |
} |
| 1343 |
|
| 1344 |
/* (non-Javadoc)
|
| 1345 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
|
| 1346 |
*/
|
| 1347 |
public Image updateImage(int width, int height, ICoordTrans rp) { |
| 1348 |
int line, pRGBArray[] = null; |
| 1349 |
Image image = null; |
| 1350 |
|
| 1351 |
if (mustVerifySize()) {
|
| 1352 |
// Work out the correct aspect for the setView call.
|
| 1353 |
double dFileAspect = (double)v.width()/(double)v.height(); |
| 1354 |
double dWindowAspect = (double)width /(double)height; |
| 1355 |
|
| 1356 |
if (dFileAspect > dWindowAspect) {
|
| 1357 |
height =(int)((double)width/dFileAspect); |
| 1358 |
} else {
|
| 1359 |
width = (int)((double)height*dFileAspect); |
| 1360 |
} |
| 1361 |
} |
| 1362 |
|
| 1363 |
// Set the view
|
| 1364 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), width, height, getOrientation()); |
| 1365 |
setStep(file.stepArrayX, file.stepArrayY); |
| 1366 |
|
| 1367 |
if(width<=0)width=1; |
| 1368 |
if(height<=0)height=1; |
| 1369 |
|
| 1370 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 1371 |
//image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
|
| 1372 |
pRGBArray = new int[width/**BAND_HEIGHT*/]; |
| 1373 |
try {
|
| 1374 |
//int nLin = height % BAND_HEIGHT;
|
| 1375 |
file.setAlpha(getAlpha()); |
| 1376 |
setBand(RED_BAND, rBandNr); |
| 1377 |
setBand(GREEN_BAND, gBandNr); |
| 1378 |
setBand(BLUE_BAND, bBandNr); |
| 1379 |
for (line=0; line < height; line++) { //+=BAND_HEIGHT) { |
| 1380 |
//int bandH = Math.min(BAND_HEIGHT, height-line);
|
| 1381 |
//file.readBandRGBA(bandH, BAND_HEIGHT, pRGBArray);
|
| 1382 |
file.readLineRGBA(pRGBArray); |
| 1383 |
setRGBLine((BufferedImage) image, 0, line, width, 1/*bandH*/, pRGBArray, 0, width); |
| 1384 |
} |
| 1385 |
} catch (Exception e) { |
| 1386 |
// TODO Auto-generated catch block
|
| 1387 |
e.printStackTrace(); |
| 1388 |
} |
| 1389 |
|
| 1390 |
return image;
|
| 1391 |
} |
| 1392 |
|
| 1393 |
public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
| 1394 |
int line;
|
| 1395 |
RasterBuf raster = null;
|
| 1396 |
|
| 1397 |
if(mustVerifySize()){
|
| 1398 |
// Work out the correct aspect for the setView call.
|
| 1399 |
double dFileAspect = (double)v.width()/(double)v.height(); |
| 1400 |
double dWindowAspect = (double)width /(double)height; |
| 1401 |
|
| 1402 |
if (dFileAspect > dWindowAspect) {
|
| 1403 |
height =(int)((double)width/dFileAspect); |
| 1404 |
} else {
|
| 1405 |
width = (int)((double)height*dFileAspect); |
| 1406 |
} |
| 1407 |
} |
| 1408 |
|
| 1409 |
// Set the view
|
| 1410 |
boolean[] orientation = getOrientation(); |
| 1411 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 1412 |
width, height, orientation); |
| 1413 |
setStep(file.stepArrayX, file.stepArrayY); |
| 1414 |
|
| 1415 |
try {
|
| 1416 |
//Esta funci?n se usa para la renderizaci?n, por eso se crean 4 bandas a pi?on fijo
|
| 1417 |
raster = new RasterBuf(getDataType(), width, height, 4, true); |
| 1418 |
|
| 1419 |
file.setAlpha(getAlpha()); |
| 1420 |
setBand(RED_BAND, rBandNr); |
| 1421 |
setBand(GREEN_BAND, gBandNr); |
| 1422 |
setBand(BLUE_BAND, bBandNr); |
| 1423 |
|
| 1424 |
switch(getDataType()){
|
| 1425 |
case RasterBuf.TYPE_BYTE:
|
| 1426 |
for (line = 0; line < height; line++) |
| 1427 |
file.readLine(raster.getLineByte(line)); |
| 1428 |
break;
|
| 1429 |
case RasterBuf.TYPE_SHORT:;
|
| 1430 |
for (line = 0; line < height; line++) |
| 1431 |
file.readLine(raster.getLineShort(line)); |
| 1432 |
break;
|
| 1433 |
case RasterBuf.TYPE_INT:
|
| 1434 |
for (line = 0; line < height; line++) |
| 1435 |
file.readLine(raster.getLineInt(line)); |
| 1436 |
break;
|
| 1437 |
case RasterBuf.TYPE_FLOAT:
|
| 1438 |
for (line = 0; line < height; line++) |
| 1439 |
file.readLine(raster.getLineFloat(line)); |
| 1440 |
break;
|
| 1441 |
case RasterBuf.TYPE_DOUBLE:
|
| 1442 |
for (line = 0; line < height; line++) |
| 1443 |
file.readLine(raster.getLineDouble(line)); |
| 1444 |
break;
|
| 1445 |
case RasterBuf.TYPE_UNDEFINED:break; |
| 1446 |
} |
| 1447 |
|
| 1448 |
} catch (Exception e) { |
| 1449 |
e.printStackTrace(); |
| 1450 |
} |
| 1451 |
|
| 1452 |
return raster;
|
| 1453 |
} |
| 1454 |
|
| 1455 |
/**
|
| 1456 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
| 1457 |
* vector de enteros.
|
| 1458 |
* @param image imagen con los datos actuales
|
| 1459 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 1460 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 1461 |
* @param w Ancho de la imagen
|
| 1462 |
* @param h Alto de la imagen
|
| 1463 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 1464 |
* @param offset desplazamiento
|
| 1465 |
* @param scansize tama?o de imagen recorrida por cada p
|
| 1466 |
*/
|
| 1467 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 1468 |
int offset, int scansize) { |
| 1469 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
| 1470 |
} |
| 1471 |
|
| 1472 |
/**
|
| 1473 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 1474 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 1475 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 1476 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 1477 |
* @param image imagen con los datos actuales
|
| 1478 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 1479 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 1480 |
* @param w Ancho de la imagen
|
| 1481 |
* @param h Alto de la imagen
|
| 1482 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 1483 |
* @param offset desplazamiento
|
| 1484 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 1485 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 1486 |
*/
|
| 1487 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 1488 |
int offset, int scansize, int flags) { |
| 1489 |
int [] line = new int[rgbArray.length]; |
| 1490 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 1491 |
if (flags == GeoRasterFile.RED_BAND)
|
| 1492 |
for (int i=0; i<line.length; i++) |
| 1493 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 1494 |
else if (flags == GeoRasterFile.GREEN_BAND) |
| 1495 |
for (int i=0; i<line.length; i++) |
| 1496 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 1497 |
else if (flags == GeoRasterFile.BLUE_BAND) |
| 1498 |
for (int i=0; i<line.length; i++) |
| 1499 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 1500 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 1501 |
} |
| 1502 |
|
| 1503 |
/**
|
| 1504 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 1505 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 1506 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 1507 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 1508 |
* @param image imagen con los datos actuales
|
| 1509 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 1510 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 1511 |
* @param w Ancho de la imagen
|
| 1512 |
* @param h Alto de la imagen
|
| 1513 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 1514 |
* @param offset desplazamiento
|
| 1515 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 1516 |
* @param origBand Banda origen del GeoRasterFile
|
| 1517 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 1518 |
*/
|
| 1519 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 1520 |
int offset, int scansize, int origBand, int destBandFlag) { |
| 1521 |
int [] line = new int[rgbArray.length]; |
| 1522 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 1523 |
if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
| 1524 |
for (int i=0; i<line.length; i++) |
| 1525 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 1526 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 1527 |
for (int i=0; i<line.length; i++) |
| 1528 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 1529 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 1530 |
for (int i=0; i<line.length; i++) |
| 1531 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 1532 |
|
| 1533 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 1534 |
for (int i=0; i<line.length; i++) |
| 1535 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
| 1536 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 1537 |
for (int i=0; i<line.length; i++) |
| 1538 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
| 1539 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
| 1540 |
for (int i=0; i<line.length; i++) |
| 1541 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
| 1542 |
|
| 1543 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 1544 |
for (int i=0; i<line.length; i++) |
| 1545 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
| 1546 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
| 1547 |
for (int i=0; i<line.length; i++) |
| 1548 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
| 1549 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 1550 |
for (int i=0; i<line.length; i++) |
| 1551 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
| 1552 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 1553 |
} |
| 1554 |
|
| 1555 |
private void showOnOpen() { |
| 1556 |
// Report en la apertura (quitar)
|
| 1557 |
System.out.println("Fichero GDAL '"+getName()+"' abierto."); |
| 1558 |
System.out.println("Version = "+file.version); |
| 1559 |
System.out.println(" Size = ("+file.width+","+file.height+")"); |
| 1560 |
try {
|
| 1561 |
System.out.println(" NumBands = ("+file.getRasterCount()+")"); |
| 1562 |
} catch (GdalException e) {
|
| 1563 |
// TODO Auto-generated catch block
|
| 1564 |
e.printStackTrace(); |
| 1565 |
} |
| 1566 |
//file.pintaInfo();
|
| 1567 |
file.pintaPaleta(); |
| 1568 |
|
| 1569 |
} |
| 1570 |
|
| 1571 |
/* (non-Javadoc)
|
| 1572 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
| 1573 |
*/
|
| 1574 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
| 1575 |
int line, pRGBArray[] = null; |
| 1576 |
|
| 1577 |
if(mustVerifySize()){
|
| 1578 |
// Work out the correct aspect for the setView call.
|
| 1579 |
double dFileAspect = (double)v.width()/(double)v.height(); |
| 1580 |
double dWindowAspect = (double)width /(double)height; |
| 1581 |
|
| 1582 |
if (dFileAspect > dWindowAspect) {
|
| 1583 |
height =(int)((double)width/dFileAspect); |
| 1584 |
} else {
|
| 1585 |
width = (int)((double)height*dFileAspect); |
| 1586 |
} |
| 1587 |
} |
| 1588 |
|
| 1589 |
// Set the view
|
| 1590 |
boolean[] orientation = getOrientation(); |
| 1591 |
file.setView(v.minX(), v.maxY(), v.maxX(), v.minY(), |
| 1592 |
width, height, orientation); |
| 1593 |
setStep(file.stepArrayX, file.stepArrayY); |
| 1594 |
|
| 1595 |
if(width<=0)width=1; |
| 1596 |
if(height<=0)height=1; |
| 1597 |
|
| 1598 |
pRGBArray = new int[width]; |
| 1599 |
try {
|
| 1600 |
setBand(RED_BAND, rBandNr); |
| 1601 |
setBand(GREEN_BAND, gBandNr); |
| 1602 |
setBand(BLUE_BAND, bBandNr); |
| 1603 |
file.setAlpha(getAlpha()); |
| 1604 |
if(img!=null){ |
| 1605 |
if(orientation[1]){ |
| 1606 |
for (line=0; line < height; line++) { |
| 1607 |
file.readLineRGBA(pRGBArray); |
| 1608 |
setRGBLine((BufferedImage) img, 0, height - 1 - line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
| 1609 |
} |
| 1610 |
}else{
|
| 1611 |
for (line=0; line < height; line++) { |
| 1612 |
file.readLineRGBA(pRGBArray); |
| 1613 |
setRGBLine((BufferedImage) img, 0, line, width, 1, pRGBArray, 0, width, origBand, destBandFlag); |
| 1614 |
} |
| 1615 |
} |
| 1616 |
return img;
|
| 1617 |
}else{
|
| 1618 |
Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 1619 |
if(orientation[1]){ |
| 1620 |
for (line=0; line < height; line++) { |
| 1621 |
file.readLineRGBA(pRGBArray); |
| 1622 |
setRGBLine((BufferedImage) image, 0, height - 1 - line, width, 1, pRGBArray, 0, width); |
| 1623 |
} |
| 1624 |
}else{
|
| 1625 |
for (line=0; line < height; line++) { |
| 1626 |
file.readLineRGBA(pRGBArray); |
| 1627 |
setRGBLine((BufferedImage) image, 0, line, width, 1, pRGBArray, 0, width); |
| 1628 |
} |
| 1629 |
} |
| 1630 |
return image;
|
| 1631 |
} |
| 1632 |
} catch (Exception e) { |
| 1633 |
// TODO Auto-generated catch block
|
| 1634 |
e.printStackTrace(); |
| 1635 |
} |
| 1636 |
|
| 1637 |
return img;
|
| 1638 |
} |
| 1639 |
|
| 1640 |
/* (non-Javadoc)
|
| 1641 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 1642 |
*/
|
| 1643 |
public Object getData(int x, int y, int band) { |
| 1644 |
if(file != null){ |
| 1645 |
Object[] data = file.getData(x, y); |
| 1646 |
return data[band];
|
| 1647 |
} |
| 1648 |
return null; |
| 1649 |
} |
| 1650 |
|
| 1651 |
/**
|
| 1652 |
* Devuelve los datos de una ventana solicitada
|
| 1653 |
* @param ulX coordenada X superior izda.
|
| 1654 |
* @param ulY coordenada Y superior derecha.
|
| 1655 |
* @param sizeX tama?o en X de la ventana.
|
| 1656 |
* @param sizeY tama?o en Y de la ventana.
|
| 1657 |
* @param band Banda solicitada.
|
| 1658 |
*/
|
| 1659 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
| 1660 |
|
| 1661 |
return null; |
| 1662 |
} |
| 1663 |
|
| 1664 |
public RasterBuf getWindowRaster(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
| 1665 |
Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
| 1666 |
setView(selectedExtent); |
| 1667 |
|
| 1668 |
int width = 0; |
| 1669 |
int height = 0; |
| 1670 |
if(file.trans != null){ |
| 1671 |
width = (int)Math.abs(selectedExtent.width() / file.trans.adfgeotransform[1]);//(int)(selectedExtent.width() * file.width) / extent.width(); |
| 1672 |
height = (int)Math.abs(selectedExtent.height() / file.trans.adfgeotransform[5]); |
| 1673 |
}else{
|
| 1674 |
width = (int)Math.abs(selectedExtent.width()); |
| 1675 |
height = (int)Math.abs(selectedExtent.height()); |
| 1676 |
} |
| 1677 |
|
| 1678 |
try {
|
| 1679 |
file.readWindow(rasterBuf, bandList, x, y, width, height); |
| 1680 |
} catch (Exception e) { |
| 1681 |
e.printStackTrace(); |
| 1682 |
} |
| 1683 |
|
| 1684 |
return rasterBuf;
|
| 1685 |
} |
| 1686 |
|
| 1687 |
/*
|
| 1688 |
* (non-Javadoc)
|
| 1689 |
* @see org.gvsig.fmap.driver.GeoRasterFile#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.driver.BandList, org.gvsig.fmap.driver.IBuffer)
|
| 1690 |
*/
|
| 1691 |
public RasterBuf getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, RasterBuf rasterBuf) { |
| 1692 |
Extent selectedExtent = new Extent(minX, minY, maxX, maxY);
|
| 1693 |
setView(selectedExtent); |
| 1694 |
|
| 1695 |
double width = 0; |
| 1696 |
double height = 0; |
| 1697 |
if(getTransform() != null){ |
| 1698 |
width = (double)(Math.abs(selectedExtent.width() / getTransform()[1]));//(int)(selectedExtent.width() * file.width) / extent.width(); |
| 1699 |
height = (double)(Math.abs(selectedExtent.height() / getTransform()[5])); |
| 1700 |
}else{
|
| 1701 |
width = (double)Math.abs(selectedExtent.width()); |
| 1702 |
height = (double)Math.abs(selectedExtent.height()); |
| 1703 |
} |
| 1704 |
|
| 1705 |
try {
|
| 1706 |
file.readWindow(rasterBuf, bandList, minX, maxY, maxX, minY, width, height, bufWidth, bufHeight); |
| 1707 |
} catch (Exception e) { |
| 1708 |
e.printStackTrace(); |
| 1709 |
} |
| 1710 |
|
| 1711 |
return rasterBuf;
|
| 1712 |
} |
| 1713 |
|
| 1714 |
public RasterBuf getWindowRaster(int x, int y, int w, int h, BandList bandList, RasterBuf rasterBuf) { |
| 1715 |
try {
|
| 1716 |
setView( |
| 1717 |
new Extent( Utilities.getMapRectFromPxRect(getExtent().toRectangle2D(), |
| 1718 |
getWidth(), |
| 1719 |
getHeight(), |
| 1720 |
new Rectangle2D.Double(x, y, w, h))) |
| 1721 |
); |
| 1722 |
file.readWindow(rasterBuf, bandList, x, y, w, h); |
| 1723 |
} catch (Exception e) { |
| 1724 |
e.printStackTrace(); |
| 1725 |
} |
| 1726 |
return rasterBuf;
|
| 1727 |
} |
| 1728 |
|
| 1729 |
public RasterBuf getWindowRasterWithNoData(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
| 1730 |
Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
| 1731 |
setView(selectedExtent); |
| 1732 |
|
| 1733 |
try {
|
| 1734 |
file.readWindowWithNoData(rasterBuf, bandList, x, y, x + w, y - h, rasterBuf.getWidth(), rasterBuf.getHeight()); |
| 1735 |
} catch (Exception e) { |
| 1736 |
e.printStackTrace(); |
| 1737 |
} |
| 1738 |
|
| 1739 |
return rasterBuf;
|
| 1740 |
} |
| 1741 |
|
| 1742 |
/**
|
| 1743 |
* Obtiene la zona (Norte / Sur)
|
| 1744 |
* @return true si la zona es norte y false si es sur
|
| 1745 |
*/
|
| 1746 |
|
| 1747 |
public boolean getZone(){ |
| 1748 |
|
| 1749 |
return false; |
| 1750 |
} |
| 1751 |
|
| 1752 |
/**
|
| 1753 |
*Devuelve el n?mero de zona UTM
|
| 1754 |
*@return N?mero de zona
|
| 1755 |
*/
|
| 1756 |
|
| 1757 |
public int getUTM(){ |
| 1758 |
|
| 1759 |
return 0; |
| 1760 |
} |
| 1761 |
|
| 1762 |
/**
|
| 1763 |
* Obtiene el sistema de coordenadas geograficas
|
| 1764 |
* @return Sistema de coordenadas geogr?ficas
|
| 1765 |
*/
|
| 1766 |
public String getGeogCS(){ |
| 1767 |
return new String(""); |
| 1768 |
} |
| 1769 |
|
| 1770 |
/**
|
| 1771 |
* Devuelve el tama?o de bloque
|
| 1772 |
* @return Tama?o de bloque
|
| 1773 |
*/
|
| 1774 |
public int getBlockSize(){ |
| 1775 |
if(file != null) |
| 1776 |
return file.getBlockSize();
|
| 1777 |
else
|
| 1778 |
return 0; |
| 1779 |
} |
| 1780 |
|
| 1781 |
/**
|
| 1782 |
* Obtiene el objeto que contiene los metadatos
|
| 1783 |
*/
|
| 1784 |
public Metadata getMetadata() {
|
| 1785 |
if(file != null) |
| 1786 |
return file.getMetadataJavaObject();
|
| 1787 |
else
|
| 1788 |
return null; |
| 1789 |
} |
| 1790 |
|
| 1791 |
/**
|
| 1792 |
* Obtiene el flag que dice si la imagen est? o no georreferenciada
|
| 1793 |
* @return true si est? georreferenciada y false si no lo est?.
|
| 1794 |
*/
|
| 1795 |
public boolean isGeoreferenced() { |
| 1796 |
if(file != null) |
| 1797 |
return file.isGeoreferenced();
|
| 1798 |
else
|
| 1799 |
return false; |
| 1800 |
} |
| 1801 |
|
| 1802 |
/**
|
| 1803 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
| 1804 |
* el valor de esta variable cada vez que dibuja.
|
| 1805 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
| 1806 |
*/
|
| 1807 |
public boolean isSupersampling() { |
| 1808 |
if(file != null) |
| 1809 |
return file.isSupersampling;
|
| 1810 |
else
|
| 1811 |
return false; |
| 1812 |
} |
| 1813 |
|
| 1814 |
/**
|
| 1815 |
* Obtiene los par?metros de la transformaci?n af?n que corresponde con los elementos de
|
| 1816 |
* un fichero tfw.
|
| 1817 |
* <UL>
|
| 1818 |
* <LI>[1]tama?o de pixel en X</LI>
|
| 1819 |
* <LI>[2]rotaci?n en X</LI>
|
| 1820 |
* <LI>[4]rotaci?n en Y</LI>
|
| 1821 |
* <LI>[5]tama?o de pixel en Y</LI>
|
| 1822 |
* <LI>[0]origen en X</LI>
|
| 1823 |
* <LI>[3]origen en Y</LI>
|
| 1824 |
* </UL>
|
| 1825 |
* Este m?todo debe ser reimplementado por el driver si tiene esta informaci?n. En principio
|
| 1826 |
* Gdal es capaz de proporcionarla de esta forma.
|
| 1827 |
*
|
| 1828 |
* En caso de que exista fichero .rmf asociado al raster pasaremos de la informaci?n de georreferenciaci?n
|
| 1829 |
* del .tfw y devolveremos la que est? asociada al rmf
|
| 1830 |
* @return vector de double con los elementos de la transformaci?n af?n.
|
| 1831 |
*/
|
| 1832 |
public double[] getTransform(){ |
| 1833 |
if(file != null && file.trans != null && !this.rmfExists()) |
| 1834 |
return file.trans.adfgeotransform;
|
| 1835 |
else{
|
| 1836 |
if(this.rmfExists){ |
| 1837 |
double[] rmfGeoref = { rmfTransform.getTranslateX(), |
| 1838 |
rmfTransform.getScaleX(), |
| 1839 |
rmfTransform.getShearX(), |
| 1840 |
rmfTransform.getTranslateY(), |
| 1841 |
rmfTransform.getShearY(), |
| 1842 |
rmfTransform.getScaleY()}; |
| 1843 |
return rmfGeoref;
|
| 1844 |
} |
| 1845 |
return null; |
| 1846 |
} |
| 1847 |
|
| 1848 |
} |
| 1849 |
|
| 1850 |
/*
|
| 1851 |
* (non-Javadoc)
|
| 1852 |
* @see org.gvsig.fmap.driver.GeoRasterFile#rasterToWorld(java.awt.geom.Point2D)
|
| 1853 |
*/
|
| 1854 |
public Point2D rasterToWorld(Point2D pt) { |
| 1855 |
return file.rasterToWorld(pt);
|
| 1856 |
} |
| 1857 |
|
| 1858 |
/*
|
| 1859 |
* (non-Javadoc)
|
| 1860 |
* @see org.gvsig.fmap.driver.GeoRasterFile#worldToRaster(java.awt.geom.Point2D)
|
| 1861 |
*/
|
| 1862 |
public Point2D worldToRaster(Point2D pt){ |
| 1863 |
return file.worldToRaster(pt);
|
| 1864 |
} |
| 1865 |
|
| 1866 |
public void readPalette(){ |
| 1867 |
file.readPalette(); |
| 1868 |
} |
| 1869 |
} |
| 1870 |
|
| 1871 |
|
| 1872 |
|