svn-gvsig-desktop / tags / v1_1_Build_1001 / libraries / libCq_CMS_praster / src / org / cresques / io / GdalWriter.java @ 11984
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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.io.BufferedOutputStream; |
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import java.io.DataOutputStream; |
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import java.io.File; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import org.cresques.cts.IProjection; |
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import org.cresques.geo.ViewPortData; |
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import org.cresques.io.data.RasterBuf; |
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import org.cresques.io.exceptions.NotSupportedExtensionException; |
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import org.cresques.px.Extent; |
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import org.cresques.px.PxRaster; |
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import org.cresques.util.Utilities; |
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import es.gva.cit.jecwcompress.EcwException; |
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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.GdalDriver; |
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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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import es.gva.cit.jogr.OGRSpatialReference; |
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/**
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* Driver para la escritura a trav?s de Gdal.
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* Puede exportar un fichero de un formato a otro desde un GeoRasterFile
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* en cualquier formato soportado por la lectura a un formato que este incluido
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* en la lista supportedDrv.
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*
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* Puede salvar a disco en un formato que este incluido en la lista supportedDrv
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* obteniendo los datos que van siendo servidos desde el cliente. Este cliente
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* debe implementar un IDataWriter o tener un objeto que lo implemente. Inicialmente
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* le pasar? los par?metros de la imagen de salida y cuando el driver comience a
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* escribir le ir? solicitando m?s a trav?s del m?todo readData de IDataWriter.
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* El cliente ser? el que lleve el control de lo que va sirviendo y lo que le queda
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* por servir.
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* @author Nacho Brodin (brodin_ign@gva.es)
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*/
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public class GdalWriter extends GeoRasterWriter { |
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//Datos de registro de drivers
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static {
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GeoRasterWriter.registerWriterExtension("tif", GdalWriter.class);
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//GeoRasterWriter.registerWriterExtension("tiff", GdalWriter.class);
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typeList.put("tif", "GTiff"); |
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//typeList.put("tiff", "GTiff");
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} |
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public final int windowSizeX = 386; |
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public final int windowSizeY = 195; |
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public final int panelSizeX = 358; |
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public final int panelSizeY = 105; |
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public final String panelLayout = "BorderLayout"; |
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private GdalDriver drv;
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private Gdal dset_destino = null; |
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private GdalRasterBand rband = null; |
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private GeoTransform geot = null; //Datos de georeferenciaci?n |
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private OGRSpatialReference oSRS; //Datos de proyecci?n |
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private GdalBuffer buf = null; //Buffer de origen de gdal |
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private GdalBuffer[] bufBands = null; |
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private int nBlocks = 0; //N?mero de bloques en Y en el que se divide la imagen para escribir |
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private int anchoResto = 0; //Tama?o del ?ltimo bloque de la imagen. |
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private String[] params = null; //Par?metros de creaci?n del dataset. |
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private GdalSupportOptions support = null; |
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private boolean consulta = false; |
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private boolean write = true; //Cuando est? a true se puede escribir en la imagen de salida. Si est? a false el proceso es interrumpido |
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private int dataType = RasterBuf.TYPE_UNDEFINED; |
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/**
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* Constructor para la obtenci?n de par?metros del driver
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* @param drvType Tipo de driver
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*/
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public GdalWriter(String fileName) { |
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ident = fileName.toLowerCase().substring(fileName.lastIndexOf(".") + 1); |
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driver = (String)typeList.get(ident);
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support = new GdalSupportOptions(driver);
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support.setBlockSize(blockSizeDefault); |
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support.setPhotometric("RGB");
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support.setInterleave("BAND");
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support.setCompress("NONE");
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support.setWriteGeoref(true);
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support.setTfw(false);
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consulta = true;
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} |
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/**
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* Constructor para salvar una sola imagen completa
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* @param raster PxRaster de la imagen de origen
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* @param outfilename Nombre del fichero de salida
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* @param infilename Nombre del fichero de entrada
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* @param drvType Tipo de driver
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*/
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public GdalWriter(PxRaster raster, String outFileName, String inFileName) throws GdalException, IOException { |
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ident = outFileName.toLowerCase().substring(outFileName.lastIndexOf(".") + 1); |
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driver = (String)typeList.get(ident);
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support = new GdalSupportOptions(driver);
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this.outFileName = outFileName;
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this.inFileName = inFileName;
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currentRaster = raster; |
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sizeWindowX = raster.getFWidth(); |
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sizeWindowY = raster.getFHeight(); |
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//Obtenemos la georeferenciaci?n
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if (support.getGeoref()) {
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double maxX = currentRaster.getExtent().maxX();
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double minX = currentRaster.getExtent().minX();
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double maxY = currentRaster.getExtent().maxY();
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double minY = currentRaster.getExtent().minY();
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geot = new GeoTransform();
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geot.adfgeotransform[0] = minX;
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geot.adfgeotransform[3] = maxY;
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geot.adfgeotransform[1] = (maxX - minX) / currentRaster.getFWidth();
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geot.adfgeotransform[5] = (minY - maxY) / currentRaster.getFHeight();
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} |
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nBands = currentRaster.getBandCount(); |
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this.support.setBlockSize(64/*currentRaster.getBlockSize()*/); |
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if ((sizeWindowX < 0) || (sizeWindowY < 0)) { |
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throw new IOException("Tama?o del fichero de salida erroneo."); |
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} |
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if (nBands == 3) { |
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this.support.setPhotometric("PHOTOMETRIC=RGB"); |
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} else if (nBands == 1) { |
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this.support.setPhotometric("PHOTOMETRIC=MINISBLACK"); |
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} else {
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this.support.setPhotometric(""); |
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} |
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params = new String[2]; |
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params[0] = new String("TILED=YES"); |
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params[1] = new String(this.support.getPhotometric()); |
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init(); |
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/*oSRS = new OGRSpatialReference();
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try{
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oSRS.setUTM(currentRaster.geoFile.getUTM(), currentRaster.geoFile.getZone());
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oSRS.setWellKnownGeogCS(currentRaster.geoFile.getGeogCS());
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//System.out.println(currentRaster.geoFile.getGeogCS()+"Nueva Proyecci?n ==> "+oSRS.exportToWkt());
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dset_destino.setProjection(oSRS.exportToWkt());
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}catch(Exception e){
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e.printStackTrace();
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}*/
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} |
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/**
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* Constructor para salvar datos servidos por el cliente
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* @param dataWriter Objeto servidor de datos para el driver de escritura
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* @param outSizeX N?mero de pixels en X de la imagen de salida
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* @param outSizeY N?mero de pixels en Y de la imagen de salida
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* @param outFilename Fichero de salida
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* @param extentMaxX Posici?n en X m?xima del extent
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* @param extentMinX Posici?n en X m?nima del extent
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* @param extentMaxY Posici?n en Y m?xima del extent
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* @param extentMinY Posici?n en Y m?nima del extent
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* @param nBands N?mero de bandas
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* @param drvType Tipo de driver
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* @throws GdalException
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* @throws IOException
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*/
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public GdalWriter( IDataWriter dataWriter,
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String outFileName,
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Integer blockSize,
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Integer nBands,
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ViewPortData vp, |
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Integer compresion,
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Integer outSizeX,
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Integer outSizeY,
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Integer dataType)throws GdalException, IOException { |
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ident = outFileName.toLowerCase().substring(outFileName.lastIndexOf(".") + 1); |
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driver = (String)typeList.get(ident);
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support = new GdalSupportOptions(driver);
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this.dataType = dataType.intValue();
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this.dataWriter = dataWriter;
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this.outFileName = outFileName;
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this.sizeWindowX = outSizeX.intValue();
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this.sizeWindowY = outSizeY.intValue();
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if ((sizeWindowX < 0) || (sizeWindowY < 0)) { |
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throw new IOException("Tama?o del fichero de salida erroneo."); |
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} |
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this.nBands = nBands.intValue();
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//Calculamos la georeferenciaci?n a partir del extend pasado por el cliente.
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if (support.getGeoref()) {
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Extent ex = vp.getExtent(); |
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double maxX = ex.maxX();
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double minX = ex.minX();
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double maxY = ex.maxY();
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double minY = ex.minY();
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this.support.setBlockSize(blockSize.intValue());
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geot = new GeoTransform();
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geot.adfgeotransform[0] = minX;
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geot.adfgeotransform[3] = maxY; //-((pixelSizeY * outSizeY)-minY); |
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geot.adfgeotransform[1] = (double) ((maxX - minX) / outSizeX.intValue()); //pixelSizeX; |
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geot.adfgeotransform[5] = (double) ((minY - maxY) / outSizeY.intValue()); //pixelSizeY; |
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} |
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setParams(); |
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init(); |
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} |
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/**
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* Constructor para salvar datos servidos por el cliente
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* @param dataWriter Objeto servidor de datos para el driver de escritura
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* @param outFilename Fichero de salida
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* @param blockSize Tama?o de bloque
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* @param Extent extent
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* @param compresion Compresi?n si la tiene
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* @param outSizeX Tama?o de salida en X
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* @param outSizeY Tama?o de salida en Y
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* @param dataType Tipo de dato
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* @throws GdalException
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* @throws IOException
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*/
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public GdalWriter( IDataWriter dataWriter,
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String outFileName,
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Integer blockSize,
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Integer nBands,
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Extent ex, |
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Integer compresion,
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Integer outSizeX,
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Integer outSizeY,
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Integer dataType)throws GdalException, IOException { |
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ident = outFileName.toLowerCase().substring(outFileName.lastIndexOf(".") + 1); |
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driver = (String)typeList.get(ident);
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support = new GdalSupportOptions(driver);
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this.dataType = dataType.intValue();
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this.dataWriter = dataWriter;
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this.outFileName = outFileName;
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this.sizeWindowX = outSizeX.intValue();
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this.sizeWindowY = outSizeY.intValue();
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if ((sizeWindowX < 0) || (sizeWindowY < 0)) { |
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throw new IOException("Tama?o del fichero de salida erroneo."); |
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} |
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this.nBands = nBands.intValue();
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//Calculamos la georeferenciaci?n a partir del extend pasado por el cliente.
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if (support.getGeoref()) {
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double maxX = ex.maxX();
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double minX = ex.minX();
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double maxY = ex.maxY();
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double minY = ex.minY();
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this.support.setBlockSize(blockSize.intValue());
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geot = new GeoTransform();
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geot.adfgeotransform[0] = minX;
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geot.adfgeotransform[3] = maxY; //-((pixelSizeY * outSizeY)-minY); |
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geot.adfgeotransform[1] = (double) ((maxX - minX) / outSizeX.intValue()); //pixelSizeX; |
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geot.adfgeotransform[5] = (double) ((minY - maxY) / outSizeY.intValue()); //pixelSizeY; |
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} |
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setParams(); |
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init(); |
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} |
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/**
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*Asigna par?metros de creaci?n del dataset de Gdal
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*/
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private void setParams() { |
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params = new String[5]; |
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params[0] = new String("TILED=YES"); |
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params[1] = new String("PHOTOMETRIC=" + this.support.getPhotometric()); |
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params[2] = new String("INTERLEAVE=" + this.support.getInterleave()); |
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params[3] = new String("COMPRESS=" + this.support.getCompress()); |
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String tfw = null; |
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if (this.support.getTfw()) { |
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tfw = new String("YES"); |
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} else {
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tfw = new String("NO"); |
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} |
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params[4] = new String("TFW=" + tfw); |
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} |
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/**
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* Asigna el tipo de driver con el que se salvar? la imagen
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* @param drvType Tipo de driver
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*/
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public void setDriverType(String drvType) { |
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this.driver = drvType;
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} |
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/**
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* Creaci?n del dataset de destino.
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* @throws EcwException
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*/
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private void init() throws GdalException { |
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//Controlamos que el tipo de driver sea correcto
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if (driver == null) { |
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throw new GdalException("Tipo de driver sin especificar."); |
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} |
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boolean okdrvtype = false; |
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String[] types = GeoRasterWriter.getDriversType(); |
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for (int i = 0; i < GeoRasterWriter.getNTypes(); i++) |
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if (driver.equals(types[i])) {
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okdrvtype = true;
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} |
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if (okdrvtype == false) { |
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throw new GdalException("El tipo de driver "+driver+" no est? soportado por GdalWriter."); |
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} |
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//Obtenemos el driver y creamos el dataset del destino
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drv = Gdal.getDriverByName(driver); |
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if (dset_destino != null) { |
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dset_destino.close(); |
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dset_destino = null;
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} |
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dset_destino = drv.create(outFileName, sizeWindowX, sizeWindowY, |
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nBands, Utilities.getGdalTypeFromRasterBufType(dataType), params);
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if (this.support.getGeoref()) { |
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dset_destino.setGeoTransform(geot); |
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} |
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nBlocks = (int) (sizeWindowY / this.support.getBlockSize()); |
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anchoResto = sizeWindowY - (nBlocks * this.support.getBlockSize());
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} |
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/**
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* A partir de un elemento que contiene una propiedad y un valor
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* lo parsea y asigna el valor a su variable.
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* @param propValue elemento con la forma propiedad=valor
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*/
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private void readProperty(String propValue) { |
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String prop = propValue.substring(0, propValue.indexOf("=")); |
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if (propValue.startsWith(prop)) {
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String value = propValue.substring(propValue.indexOf("=") + 1, |
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propValue.length()); |
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if ((value != null) && !value.equals("")) { |
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if (prop.equals("BLOCKSIZE")) { |
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this.support.setBlockSize(Integer.parseInt(value)); |
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} |
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if (prop.equals("GEOREF")) { |
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boolean georef = true; |
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if (value.equals("yes")) { |
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georef = true;
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} else {
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georef = false;
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} |
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this.support.setWriteGeoref(georef);
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} |
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if (prop.equals("INTERLEAVE")) { |
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this.support.setInterleave(value);
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} |
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if (prop.equals("PHOTOMETRIC")) { |
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this.support.setPhotometric(value);
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} |
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if (prop.equals("COMPRESS")) { |
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this.support.setCompress(value);
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} |
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if (prop.equals("TFW")) { |
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boolean tfw = true; |
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if (value.equals("yes")) { |
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tfw = true;
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} else {
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tfw = false;
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} |
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this.support.setTfw(tfw);
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} |
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} |
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} |
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} |
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/**
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* Asigna propiedades al driver a partir de un vector de
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* strings donde cada elemento tiene la estructura de
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* propiedad=valor.
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* @param props Propiedades
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*/
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public void setProps(String[] props) { |
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for (int iProps = 0; iProps < props.length; iProps++) |
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readProperty(props[iProps]); |
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setParams(); |
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try {
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if (!consulta) {
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init(); |
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} |
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} catch (GdalException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Escritura de datos tipo Byte.
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* @param sizeY Alto del bloque que se escribe.
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* @param posicionY Posici?ny a partir desde donde se comienza.
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*/
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public void writeByteBand(int sizeY, int posicionY){ |
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byte[][] buftmp = dataWriter.readByteData(sizeWindowX, sizeY); |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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bufBands[iBand].buffByte = new byte[buftmp[iBand].length]; |
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//Escribimos el bloque destino
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for (int iBand = 0; iBand < buftmp.length; iBand++) |
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for (int i = 0; i < buftmp[iBand].length; i++) |
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bufBands[iBand].buffByte[i] = buftmp[iBand][i]; |
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for (int iBand = 0; iBand < buftmp.length; iBand++){ |
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try {
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rband = dset_destino.getRasterBand(iBand + 1);
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rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[iBand], Gdal.GDT_Byte);
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} catch (GdalException e) {
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//No se est? escribiendo ...
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} |
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} |
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} |
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|
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/**
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* Escritura de datos tipo Short.
|
478 |
* @param sizeY Alto del bloque que se escribe.
|
479 |
* @param posicionY Posici?ny a partir desde donde se comienza.
|
480 |
*/
|
481 |
public void writeShortBand(int sizeY, int posicionY){ |
482 |
short[][] buftmp = dataWriter.readShortData(sizeWindowX, sizeY); |
483 |
for(int iBand = 0; iBand < nBands; iBand ++) |
484 |
bufBands[iBand].buffShort = new short[buftmp[iBand].length]; |
485 |
|
486 |
//Escribimos el bloque destino
|
487 |
for (int iBand = 0; iBand < buftmp.length; iBand++) |
488 |
for (int i = 0; i < buftmp[iBand].length; i++) |
489 |
bufBands[iBand].buffShort[i] = buftmp[iBand][i]; |
490 |
|
491 |
for (int iBand = 0; iBand < buftmp.length; iBand++){ |
492 |
try {
|
493 |
rband = dset_destino.getRasterBand(iBand + 1);
|
494 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[iBand], Gdal.GDT_Int16);
|
495 |
} catch (GdalException e) {
|
496 |
//No se est? escribiendo ...
|
497 |
} |
498 |
} |
499 |
} |
500 |
|
501 |
/**
|
502 |
* Escritura de datos tipo Int.
|
503 |
* @param sizeY Alto del bloque que se escribe.
|
504 |
* @param posicionY Posici?ny a partir desde donde se comienza.
|
505 |
*/
|
506 |
public void writeIntBand(int sizeY, int posicionY){ |
507 |
int[][] buftmp = dataWriter.readIntData(sizeWindowX, sizeY); |
508 |
for(int iBand = 0; iBand < nBands; iBand ++) |
509 |
bufBands[iBand].buffInt = new int[buftmp[iBand].length]; |
510 |
|
511 |
//Escribimos el bloque destino
|
512 |
for (int iBand = 0; iBand < buftmp.length; iBand++) |
513 |
for (int i = 0; i < buftmp[iBand].length; i++) |
514 |
bufBands[iBand].buffInt[i] = buftmp[iBand][i]; |
515 |
|
516 |
for (int iBand = 0; iBand < buftmp.length; iBand++){ |
517 |
try {
|
518 |
rband = dset_destino.getRasterBand(iBand + 1);
|
519 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[iBand], Gdal.GDT_Int32);
|
520 |
} catch (GdalException e) {
|
521 |
//No se est? escribiendo ...
|
522 |
} |
523 |
} |
524 |
} |
525 |
|
526 |
/**
|
527 |
* Escritura de datos tipo Float.
|
528 |
* @param sizeY Alto del bloque que se escribe.
|
529 |
* @param posicionY Posici?ny a partir desde donde se comienza.
|
530 |
*/
|
531 |
public void writeFloatBand(int sizeY, int posicionY){ |
532 |
float[][] buftmp = dataWriter.readFloatData(sizeWindowX, sizeY); |
533 |
for(int iBand = 0; iBand < nBands; iBand ++) |
534 |
bufBands[iBand].buffFloat = new float[buftmp[iBand].length]; |
535 |
|
536 |
//Escribimos el bloque destino
|
537 |
for (int iBand = 0; iBand < buftmp.length; iBand++) |
538 |
for (int i = 0; i < buftmp[iBand].length; i++) |
539 |
bufBands[iBand].buffFloat[i] = buftmp[iBand][i]; |
540 |
|
541 |
for (int iBand = 0; iBand < buftmp.length; iBand++){ |
542 |
try {
|
543 |
rband = dset_destino.getRasterBand(iBand + 1);
|
544 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[iBand], Gdal.GDT_Float32);
|
545 |
} catch (GdalException e) {
|
546 |
//No se est? escribiendo ...
|
547 |
} |
548 |
} |
549 |
} |
550 |
|
551 |
/**
|
552 |
* Escritura de datos tipo Double.
|
553 |
* @param sizeY Alto del bloque que se escribe.
|
554 |
* @param posicionY Posici?ny a partir desde donde se comienza.
|
555 |
*/
|
556 |
public void writeDoubleBand(int sizeY, int posicionY){ |
557 |
double[][] buftmp = dataWriter.readDoubleData(sizeWindowX, sizeY); |
558 |
for(int iBand = 0; iBand < nBands; iBand ++) |
559 |
bufBands[iBand].buffDouble = new double[buftmp[iBand].length]; |
560 |
|
561 |
//Escribimos el bloque destino
|
562 |
for (int iBand = 0; iBand < buftmp.length; iBand++) |
563 |
for (int i = 0; i < buftmp[iBand].length; i++) |
564 |
bufBands[iBand].buffDouble[i] = buftmp[iBand][i]; |
565 |
|
566 |
for (int iBand = 0; iBand < buftmp.length; iBand++){ |
567 |
try {
|
568 |
rband = dset_destino.getRasterBand(iBand + 1);
|
569 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[iBand], Gdal.GDT_Float64);
|
570 |
} catch (GdalException e) {
|
571 |
//No se est? escribiendo ...
|
572 |
} |
573 |
} |
574 |
} |
575 |
/**
|
576 |
* Escritura para tipo de dato ARGB.
|
577 |
* @param sizeY Alto del bloque que se escribe.
|
578 |
* @param posicionY Posici?ny a partir desde donde se comienza.
|
579 |
*/
|
580 |
public void writeARGBBand(int sizeY, int posicionY){ |
581 |
int[] buftmp = dataWriter.readARGBData(sizeWindowX, sizeY, 0); |
582 |
for(int iBand = 0; iBand < nBands; iBand ++) |
583 |
bufBands[iBand].buffByte = new byte[buftmp.length]; |
584 |
|
585 |
//Escribimos el bloque destino
|
586 |
for (int i = 0; i < buftmp.length; i++) { |
587 |
bufBands[0].buffByte[i] = (byte) (((buftmp[i] & 0xff0000) >> 16) & |
588 |
0xff);
|
589 |
bufBands[1].buffByte[i] = (byte) (((buftmp[i] & 0xff00) >> 8) & 0xff); |
590 |
bufBands[2].buffByte[i] = (byte) ((buftmp[i] & 0xff) & 0xff); |
591 |
} |
592 |
|
593 |
try {
|
594 |
rband = dset_destino.getRasterBand(1);
|
595 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[0], |
596 |
Gdal.GDT_Byte); |
597 |
rband = dset_destino.getRasterBand(2);
|
598 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[1], |
599 |
Gdal.GDT_Byte); |
600 |
rband = dset_destino.getRasterBand(3);
|
601 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[2], |
602 |
Gdal.GDT_Byte); |
603 |
} catch (GdalException e) {
|
604 |
e.printStackTrace(); |
605 |
} |
606 |
} |
607 |
|
608 |
/**
|
609 |
* Escribe tres bandas en el GDALRasterBand desde el IDataWriter con una
|
610 |
* altura definida por sizeY.
|
611 |
* @param buftmp Buffer
|
612 |
* @param sizeY Altura en pixels del bloque leido
|
613 |
* @param posicionY Posici?n y a partir de la cual se escribe en el GDALRasterBand destino
|
614 |
*/
|
615 |
private void writeBands(int sizeY, int posicionY) { |
616 |
//leemos el bloque origen
|
617 |
|
618 |
switch(dataType){
|
619 |
case RasterBuf.TYPE_IMAGE:
|
620 |
writeARGBBand(sizeY, posicionY); |
621 |
break;
|
622 |
case RasterBuf.TYPE_BYTE:
|
623 |
writeByteBand(sizeY, posicionY); |
624 |
break;
|
625 |
case RasterBuf.TYPE_SHORT:
|
626 |
writeShortBand(sizeY, posicionY); |
627 |
break;
|
628 |
case RasterBuf.TYPE_INT:
|
629 |
writeIntBand(sizeY, posicionY); |
630 |
break;
|
631 |
case RasterBuf.TYPE_FLOAT:
|
632 |
writeFloatBand(sizeY, posicionY); |
633 |
break;
|
634 |
case RasterBuf.TYPE_DOUBLE:
|
635 |
writeDoubleBand(sizeY, posicionY); |
636 |
break;
|
637 |
} |
638 |
} |
639 |
|
640 |
/**
|
641 |
* Funci?n que gestiona la lectura desde el origen y la escritura
|
642 |
* de Gdal sobre el fichero destino.
|
643 |
* @param mode Modo de escritura
|
644 |
* @throws IOException
|
645 |
*/
|
646 |
private void write(int mode) throws IOException { |
647 |
buf = new GdalBuffer();
|
648 |
bufBands = new GdalBuffer[nBands];
|
649 |
for(int iBand = 0; iBand < nBands; iBand ++) |
650 |
bufBands[iBand] = new GdalBuffer();
|
651 |
|
652 |
// int[] buftmp = null;
|
653 |
|
654 |
//long t1 = System.currentTimeMillis();
|
655 |
try {
|
656 |
if (mode == Mode.fileWrite) {
|
657 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
658 |
rband = dset_destino.getRasterBand(iBand + 1);
|
659 |
|
660 |
for (int iBlock = 0; iBlock < nBlocks; iBlock++) { |
661 |
if(write){
|
662 |
//leemos el bloque origen
|
663 |
buf.buffByte = currentRaster.getGeoFile().getWindow(0,
|
664 |
iBlock * this.support.getBlockSize(),
|
665 |
sizeWindowX, |
666 |
this.support.getBlockSize(),
|
667 |
iBand + |
668 |
1);
|
669 |
|
670 |
//Escribimos el bloque destino
|
671 |
rband.writeRaster(0,
|
672 |
iBlock * this.support.getBlockSize(),
|
673 |
sizeWindowX, |
674 |
this.support.getBlockSize(), buf,
|
675 |
Gdal.GDT_Byte); |
676 |
}/*else
|
677 |
this.writeClose();*/
|
678 |
} |
679 |
} |
680 |
} else if (mode == Mode.dataWrite) { |
681 |
//for(int iBlock=1;iBlock<=nBlocks;iBlock++){
|
682 |
for (int iBlock = 0; iBlock < nBlocks; iBlock++) { |
683 |
int posicionY = iBlock * this.support.getBlockSize(); |
684 |
if(write)
|
685 |
writeBands( this.support.getBlockSize(), posicionY);
|
686 |
/*else
|
687 |
this.writeClose();*/
|
688 |
} |
689 |
} |
690 |
|
691 |
if (anchoResto != 0) { |
692 |
if (mode == Mode.fileWrite) {
|
693 |
for (int iBand = 0; iBand < this.nBands; iBand++) { |
694 |
rband = dset_destino.getRasterBand(iBand + 1);
|
695 |
if(write){
|
696 |
//leemos el bloque origen
|
697 |
buf.buffByte = currentRaster.getGeoFile().getWindow(0,
|
698 |
nBlocks * this.support.getBlockSize(),
|
699 |
sizeWindowX, |
700 |
anchoResto, |
701 |
iBand + |
702 |
1);
|
703 |
|
704 |
//Escribimos el bloque destino
|
705 |
rband.writeRaster(0,
|
706 |
nBlocks * this.support.getBlockSize(),
|
707 |
sizeWindowX, anchoResto, buf, |
708 |
Gdal.GDT_Byte); |
709 |
}/*else
|
710 |
this.writeClose();*/
|
711 |
} |
712 |
} else if (mode == Mode.dataWrite) { |
713 |
int posicionY = nBlocks * this.support.getBlockSize(); |
714 |
if(write)
|
715 |
writeBands(anchoResto, posicionY); |
716 |
/*else
|
717 |
this.writeClose();*/
|
718 |
} |
719 |
} |
720 |
} catch (GdalException e) {
|
721 |
e.printStackTrace(); |
722 |
} |
723 |
} |
724 |
|
725 |
/**
|
726 |
* Realiza la funci?n de compresi?n a partir de un GeoRasterFile.
|
727 |
* @throws IOException
|
728 |
*/
|
729 |
public void fileWrite() throws IOException { |
730 |
if (currentRaster == null) { |
731 |
throw new IOException("No se ha asignado un fichero de entrada."); |
732 |
} |
733 |
|
734 |
this.write(Mode.fileWrite);
|
735 |
} |
736 |
|
737 |
/**
|
738 |
* Realiza una copia en el formato especificado.
|
739 |
* @throws IOException
|
740 |
*/
|
741 |
public static void createCopy(GdalDriver driverDst, String dst, String src, |
742 |
boolean bstrict, String[] params, IProjection proj) throws IOException, GdalException { |
743 |
if (dst == null || src == null) { |
744 |
throw new IOException("No se ha asignado un fichero de entrada."); |
745 |
} |
746 |
|
747 |
GdalFile gdalFile; |
748 |
try {
|
749 |
gdalFile = new GdalFile(proj, src);
|
750 |
driverDst.createCopy(dst, gdalFile.file, bstrict, params); |
751 |
if(dst.endsWith(".jpg") || dst.endsWith(".jpeg")) |
752 |
GdalWriter.createWorldFile(dst, gdalFile); |
753 |
gdalFile.close(); |
754 |
} catch (NotSupportedExtensionException e) {
|
755 |
e.printStackTrace(); |
756 |
} |
757 |
} |
758 |
|
759 |
/**
|
760 |
* Crea un fichero de georeferenciaci?n
|
761 |
* @param img
|
762 |
* @param name
|
763 |
* @return
|
764 |
* @throws IOException
|
765 |
*/
|
766 |
private static void createWorldFile(String name, GdalFile gdalFile) throws IOException{ |
767 |
File tfw = null; |
768 |
|
769 |
String extWorldFile = ".wld"; |
770 |
if(name.endsWith("tif")) |
771 |
extWorldFile = ".tfw";
|
772 |
if(name.endsWith("jpg") || name.endsWith("jpeg")) |
773 |
extWorldFile = ".jpgw";
|
774 |
|
775 |
tfw = new File(name.substring(0, name.lastIndexOf(".")) + extWorldFile); |
776 |
|
777 |
//Generamos un world file para gdal
|
778 |
DataOutputStream dos = new DataOutputStream( new BufferedOutputStream(new FileOutputStream(tfw)) ); |
779 |
dos.writeBytes((gdalFile.getExtent().getMax().getX() - gdalFile.getExtent().getMin().getX())/gdalFile.getWidth()+"\n");
|
780 |
dos.writeBytes("0.0\n");
|
781 |
dos.writeBytes("0.0\n");
|
782 |
dos.writeBytes((gdalFile.getExtent().getMax().getY() - gdalFile.getExtent().getMin().getY())/gdalFile.getHeight()+"\n");
|
783 |
dos.writeBytes(""+gdalFile.getExtent().getMin().getX()+"\n"); |
784 |
dos.writeBytes(""+gdalFile.getExtent().getMin().getY()+"\n"); |
785 |
dos.close(); |
786 |
} |
787 |
|
788 |
|
789 |
/**
|
790 |
* Realiza la escritura de datos con los datos que le pasa el cliente.
|
791 |
* @throws IOException
|
792 |
*/
|
793 |
public void dataWrite() throws IOException { |
794 |
if (dataWriter == null) { |
795 |
throw new IOException("No se ha obtenido un objeto de entrada para la escritura valido."); |
796 |
} |
797 |
|
798 |
this.write(Mode.dataWrite);
|
799 |
} |
800 |
|
801 |
/**
|
802 |
* Cancela el salvado de datos.
|
803 |
* @throws GdalException
|
804 |
*/
|
805 |
public void writeClose() { |
806 |
try {
|
807 |
if(dset_destino != null) |
808 |
dset_destino.close(); |
809 |
oSRS = null;
|
810 |
} catch (GdalException e) {
|
811 |
e.printStackTrace(); |
812 |
} |
813 |
} |
814 |
|
815 |
/**
|
816 |
* Cancela el salvado de datos.
|
817 |
*/
|
818 |
public void writeCancel() { |
819 |
write = false;
|
820 |
} |
821 |
|
822 |
/**
|
823 |
* Devuelve la configuraci?n de la ventana de dialogo
|
824 |
* para las propiedades del driver de escritura de Gdal.
|
825 |
* @return XML de configuraci?n del dialogo.
|
826 |
*/
|
827 |
public String getXMLPropertiesDialog() { |
828 |
StringBuffer options = null; |
829 |
options = new StringBuffer(); |
830 |
options.append("<window sizex=\"" + this.windowSizeX + "\" sizey=\"" + |
831 |
this.windowSizeY + "\">"); |
832 |
options.append("<panel sizex=\"" + this.panelSizeX + "\" sizey=\"" + |
833 |
this.panelSizeY + "\" layout=\"" + this.panelLayout + |
834 |
"\" border=\"yes\">");
|
835 |
|
836 |
options.append("<panel layout=\"FlowLayout\" position=\"North\" align=\"left\">");
|
837 |
options.append("<label>Block Size:</label>");
|
838 |
options.append("<combo ident=\"BLOCKSIZE\" selected=\"" +
|
839 |
this.support.getBlockSize() + "\">"); |
840 |
|
841 |
for (int i = 0; i < this.support.getBlockSizeList().length; i++) |
842 |
options.append("<elem>" + this.support.getBlockSizeList()[i] + |
843 |
"</elem>");
|
844 |
|
845 |
options.append("</combo>");
|
846 |
//options.append("<label>Georef Si/No:</label>");
|
847 |
|
848 |
String sel = null; |
849 |
|
850 |
if (this.support.getGeoref()) { |
851 |
sel = new String("yes"); |
852 |
} else {
|
853 |
sel = new String("no"); |
854 |
} |
855 |
|
856 |
/*options.append("<check ident=\"GEOREF\" selected=\"" + sel +
|
857 |
"\" text=\"\">");
|
858 |
options.append("</check>");*/
|
859 |
options.append("</panel>");
|
860 |
|
861 |
options.append("<panel layout=\"FlowLayout\" position=\"Center\" align=\"left\">");
|
862 |
options.append("<label>Photometric:</label>");
|
863 |
options.append("<combo ident=\"PHOTOMETRIC\" selected=\"" +
|
864 |
this.support.getPhotometric() + "\">"); |
865 |
|
866 |
for (int i = 0; i < this.support.getPhotometricList().length; i++) |
867 |
options.append("<elem>" + this.support.getPhotometricList()[i] + |
868 |
"</elem>");
|
869 |
|
870 |
options.append("</combo>");
|
871 |
options.append("<label>Interleave:</label>");
|
872 |
options.append("<combo ident=\"INTERLEAVE\" selected=\"" +
|
873 |
this.support.getInterleave() + "\">"); |
874 |
|
875 |
for (int i = 0; i < this.support.getInterleaveList().length; i++) |
876 |
options.append("<elem>" + this.support.getInterleaveList()[i] + |
877 |
"</elem>");
|
878 |
|
879 |
options.append("</combo>");
|
880 |
options.append("</panel>");
|
881 |
|
882 |
options.append("<panel layout=\"FlowLayout\" position=\"South\" align=\"left\">");
|
883 |
options.append("<label>Compresi?n:</label>");
|
884 |
options.append("<combo ident=\"COMPRESS\" selected=\"" +
|
885 |
this.support.getCompress() + "\">"); |
886 |
|
887 |
for (int i = 0; i < this.support.getCompressList().length; i++) |
888 |
options.append("<elem>" + this.support.getCompressList()[i] + |
889 |
"</elem>");
|
890 |
|
891 |
options.append("</combo>");
|
892 |
options.append("<label>Generar Tfw:</label>");
|
893 |
sel = null;
|
894 |
|
895 |
if (this.support.getTfw()) { |
896 |
sel = new String("yes"); |
897 |
} else {
|
898 |
sel = new String("no"); |
899 |
} |
900 |
|
901 |
options.append("<check ident=\"TFW\" selected=\"" + sel +
|
902 |
"\" text=\"\">");
|
903 |
options.append("</check>");
|
904 |
options.append("</panel>");
|
905 |
|
906 |
options.append("</panel>");
|
907 |
options.append("</window>");
|
908 |
|
909 |
return options.toString();
|
910 |
} |
911 |
|
912 |
/**
|
913 |
* Obtiene el valor a la variable write que estar? a true cuando se est? escribiendo
|
914 |
* o puede escribirse la imagen de salida. El cancelar la operaci?n de escritura
|
915 |
* pondr? esta variable a false deteniendose la escritura y cerrandose el dataset
|
916 |
* de salida.
|
917 |
* @return True si puede escribirse y false si no puede
|
918 |
*/
|
919 |
public boolean isWrite() { |
920 |
return write;
|
921 |
} |
922 |
|
923 |
/**
|
924 |
* Asigna el valor a la variable write que estar? a true cuando se est? escribiendo
|
925 |
* o puede escribirse la imagen de salida. El cancelar la operaci?n de escritura
|
926 |
* pondr? esta variable a false deteniendose la escritura y cerrandose el dataset
|
927 |
* de salida.
|
928 |
* @param write Variable booleana. True si puede escribirse y false si no puede
|
929 |
*/
|
930 |
public void setWrite(boolean write) { |
931 |
this.write = write;
|
932 |
} |
933 |
|
934 |
/**
|
935 |
* Obtiene las opciones de salvado.
|
936 |
* @return GdalSupportOptions
|
937 |
*/
|
938 |
public GdalSupportOptions getSupport(){
|
939 |
return this.support; |
940 |
} |
941 |
|
942 |
/**
|
943 |
*
|
944 |
* @author Nacho Brodin (brodin_ign@gva.es)
|
945 |
*
|
946 |
* Opciones que soporta el driver de escritura de Gdal.
|
947 |
*/
|
948 |
public class GdalSupportOptions extends WriterSupportOptions { |
949 |
private String[] photometric = { |
950 |
"YCBR", "MINISBLACK", "MINISWHITE", |
951 |
"RGB", "CMYK", "CIELAB", "ICCLAB", |
952 |
"ITULAB", "CBCR" |
953 |
}; |
954 |
private String[] interleave = { "BAND", "PIXEL" }; |
955 |
private String[] compress = { "LZW", "PACKBITS", "DEFLATE", "NONE" }; |
956 |
private String photometricDefault = "RGB"; |
957 |
private String interleaveDefault = "BAND"; |
958 |
private String compressDefault = "NONE"; |
959 |
|
960 |
private boolean tfw = false; |
961 |
|
962 |
public GdalSupportOptions(String ext) { |
963 |
super(ext);
|
964 |
} |
965 |
|
966 |
/**
|
967 |
* @param defaultPhot Tipo de imagen
|
968 |
*/
|
969 |
public void setPhotometric(String defaultPhot) { |
970 |
this.photometricDefault = defaultPhot;
|
971 |
} |
972 |
|
973 |
/**
|
974 |
* @param defaultInt
|
975 |
*/
|
976 |
public void setInterleave(String defaultInt) { |
977 |
this.interleaveDefault = defaultInt;
|
978 |
} |
979 |
|
980 |
/**
|
981 |
* @param defaultComp
|
982 |
*/
|
983 |
public void setCompress(String defaultComp) { |
984 |
this.compressDefault = defaultComp;
|
985 |
} |
986 |
|
987 |
/**
|
988 |
* Asigna true o false si se desea generar un fichero tfw con la
|
989 |
* georeferenciaci?n o no;
|
990 |
* @param tfw true se genera el fichero tfw y false no se genera
|
991 |
*/
|
992 |
public void setTfw(boolean tfw) { |
993 |
this.tfw = tfw;
|
994 |
} |
995 |
|
996 |
/**
|
997 |
* @return
|
998 |
*/
|
999 |
public String[] getPhotometricList() { |
1000 |
return photometric;
|
1001 |
} |
1002 |
|
1003 |
/**
|
1004 |
* @return
|
1005 |
*/
|
1006 |
public String[] getInterleaveList() { |
1007 |
return interleave;
|
1008 |
} |
1009 |
|
1010 |
/**
|
1011 |
* @return
|
1012 |
*/
|
1013 |
public String[] getCompressList() { |
1014 |
return compress;
|
1015 |
} |
1016 |
|
1017 |
/**
|
1018 |
* @return
|
1019 |
*/
|
1020 |
public String getPhotometric() { |
1021 |
return photometricDefault;
|
1022 |
} |
1023 |
|
1024 |
/**
|
1025 |
* @return
|
1026 |
*/
|
1027 |
public String getInterleave() { |
1028 |
return interleaveDefault;
|
1029 |
} |
1030 |
|
1031 |
/**
|
1032 |
* Obtiene el par?metro de compresi?n
|
1033 |
* @return
|
1034 |
*/
|
1035 |
public String getCompress() { |
1036 |
return compressDefault;
|
1037 |
} |
1038 |
|
1039 |
/**
|
1040 |
* Devuelve true o false si se genera un fichero tfw con la
|
1041 |
* georeferenciaci?n o no;
|
1042 |
* @param tfw true se genera el fichero tfw y false no se genera
|
1043 |
*/
|
1044 |
public boolean getTfw() { |
1045 |
return tfw;
|
1046 |
} |
1047 |
} |
1048 |
|
1049 |
private class Mode { |
1050 |
public final static int fileWrite = 0; |
1051 |
public final static int dataWrite = 1; |
1052 |
} |
1053 |
} |