svn-gvsig-desktop / trunk / libraries / libRaster / src / org / gvsig / raster / dataset / io / GdalWriter.java @ 11453
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.
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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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package org.gvsig.raster.dataset.io; |
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import java.io.IOException; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.dataset.GeoRasterWriter; |
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import org.gvsig.raster.dataset.IDataWriter; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.WriterParams; |
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import org.gvsig.raster.shared.Extent; |
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import org.gvsig.raster.util.RasterUtilities; |
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import org.gvsig.raster.util.extensionPoints.ExtensionPoints; |
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import org.gvsig.raster.util.extensionPoints.ExtensionPointsSingleton; |
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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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* 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 (nachobrodin@gmail.com)
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*/
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public class GdalWriter extends GeoRasterWriter { |
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static {
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ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance(); |
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extensionPoints.add("RasterWriter", "tif", GdalWriter.class); |
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typeList.put("tif", "GTiff"); |
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} |
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private es.gva.cit.jgdal.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[] 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 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 = RasterBuffer.TYPE_UNDEFINED; |
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/**
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* Carga los par?metros de este driver.
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*/
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public void loadParams() { |
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super.loadParams();
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driverParams.setParam( "photometric",
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"RGB",
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WriterParams.CHOICE, |
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new String[]{"YCBR", "MINISBLACK", "MINISWHITE", "RGB", "CMYK", "CIELAB", "ICCLAB", "ITULAB", "CBCR"}); |
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driverParams.setParam( "interleave",
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"BAND",
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WriterParams.CHOICE, |
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new String[]{ "BAND", "PIXEL"}); |
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driverParams.setParam( "compression",
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"NONE",
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WriterParams.CHOICE, |
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new String[]{"LZW", "PACKBITS", "DEFLATE", "NONE"}); |
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driverParams.setParam( "tfw",
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"false",
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WriterParams.CHECK, |
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null);
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} |
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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 = RasterUtilities.getExtensionFromFileName(fileName); |
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driver = (String)typeList.get(ident);
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loadParams(); |
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consulta = true;
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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 nBands,
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Extent ex, |
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Integer outSizeX,
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Integer outSizeY,
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Integer dataType,
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WriterParams params)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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this.dataType = dataType.intValue();
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this.extent = ex;
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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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this.nBands = nBands.intValue();
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//Calculamos la georeferenciaci?n a partir del extend pasado por el cliente.
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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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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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if(params == null) |
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loadParams(); |
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else
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this.driverParams = params;
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init(); |
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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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if (okdrvtype == false) |
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throw new GdalException("El tipo de driver "+driver+" no est? soportado por GdalWriter."); |
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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, RasterUtilities.getGdalTypeFromRasterBufType(dataType), params); |
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dset_destino.setGeoTransform(geot); |
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int blockSize = 256; |
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try {
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blockSize = Integer.parseInt(driverParams.getParamById("blocksize").defaultValue); |
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}catch(NumberFormatException e) { |
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//Se queda con el valor de inicializaci?n
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} |
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nBlocks = (int) (sizeWindowY / blockSize);
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anchoResto = sizeWindowY - (nBlocks * blockSize); |
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} |
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public void anotherFile(String fileName)throws GdalException { |
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dset_destino = drv.create(fileName, sizeWindowX, sizeWindowY, |
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nBands, RasterUtilities.getGdalTypeFromRasterBufType(dataType), params); |
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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, propValue.length()); |
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if ((value != null) && !value.equals("")) { |
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if (prop.equals("BLOCKSIZE")) |
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driverParams.changeParamValue("blocksize", value);
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if (prop.equals("INTERLEAVE")) |
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driverParams.changeParamValue("interleave", value);
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if (prop.equals("PHOTOMETRIC")) |
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driverParams.changeParamValue("photometric", value);
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if (prop.equals("COMPRESS")) |
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driverParams.changeParamValue("compression", value);
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if (prop.equals("TFW")) |
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driverParams.changeParamValue("tfw", value);
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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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loadParams(); |
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try {
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if (!consulta)
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init(); |
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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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* Escritura de datos tipo Short.
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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 writeShortBand(int sizeY, int posicionY) { |
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short[][] buftmp = dataWriter.readShortData(sizeWindowX, sizeY); |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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bufBands[iBand].buffShort = new short[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].buffShort[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_Int16);
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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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* Escritura de datos tipo Int.
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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 writeIntBand(int sizeY, int posicionY) { |
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int[][] buftmp = dataWriter.readIntData(sizeWindowX, sizeY); |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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bufBands[iBand].buffInt = new int[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].buffInt[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_Int32);
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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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* Escritura de datos tipo Float.
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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 writeFloatBand(int sizeY, int posicionY) { |
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float[][] buftmp = dataWriter.readFloatData(sizeWindowX, sizeY); |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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bufBands[iBand].buffFloat = new float[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].buffFloat[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_Float32);
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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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* Escritura de datos tipo Double.
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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 writeDoubleBand(int sizeY, int posicionY) { |
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double[][] buftmp = dataWriter.readDoubleData(sizeWindowX, sizeY); |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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bufBands[iBand].buffDouble = new double[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].buffDouble[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_Float64);
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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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* Escritura para tipo de dato ARGB.
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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 writeARGBBand(int sizeY, int posicionY) { |
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int[] buftmp = dataWriter.readARGBData(sizeWindowX, sizeY, 0); |
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for(int iBand = 0; iBand < nBands; iBand ++) |
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bufBands[iBand].buffByte = new byte[buftmp.length]; |
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//Escribimos el bloque destino
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for (int i = 0; i < buftmp.length; i++) { |
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bufBands[0].buffByte[i] = (byte) (((buftmp[i] & 0xff0000) >> 16) & |
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0xff);
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bufBands[1].buffByte[i] = (byte) (((buftmp[i] & 0xff00) >> 8) & 0xff); |
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bufBands[2].buffByte[i] = (byte) ((buftmp[i] & 0xff) & 0xff); |
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} |
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try {
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rband = dset_destino.getRasterBand(1);
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rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[0], |
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Gdal.GDT_Byte); |
| 425 |
rband = dset_destino.getRasterBand(2);
|
| 426 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[1], |
| 427 |
Gdal.GDT_Byte); |
| 428 |
rband = dset_destino.getRasterBand(3);
|
| 429 |
rband.writeRaster(0, posicionY, sizeWindowX, sizeY, bufBands[2], |
| 430 |
Gdal.GDT_Byte); |
| 431 |
} catch (GdalException e) {
|
| 432 |
e.printStackTrace(); |
| 433 |
} |
| 434 |
} |
| 435 |
|
| 436 |
/**
|
| 437 |
* Escribe tres bandas en el GDALRasterBand desde el IDataWriter con una
|
| 438 |
* altura definida por sizeY.
|
| 439 |
* @param buftmp Buffer
|
| 440 |
* @param sizeY Altura en pixels del bloque leido
|
| 441 |
* @param posicionY Posici?n y a partir de la cual se escribe en el GDALRasterBand destino
|
| 442 |
*/
|
| 443 |
private void writeBands(int sizeY, int posicionY) { |
| 444 |
//leemos el bloque origen
|
| 445 |
|
| 446 |
switch(dataType){
|
| 447 |
case RasterBuffer.TYPE_IMAGE:
|
| 448 |
writeARGBBand(sizeY, posicionY); |
| 449 |
break;
|
| 450 |
case RasterBuffer.TYPE_BYTE:
|
| 451 |
writeByteBand(sizeY, posicionY); |
| 452 |
break;
|
| 453 |
case RasterBuffer.TYPE_SHORT:
|
| 454 |
writeShortBand(sizeY, posicionY); |
| 455 |
break;
|
| 456 |
case RasterBuffer.TYPE_INT:
|
| 457 |
writeIntBand(sizeY, posicionY); |
| 458 |
break;
|
| 459 |
case RasterBuffer.TYPE_FLOAT:
|
| 460 |
writeFloatBand(sizeY, posicionY); |
| 461 |
break;
|
| 462 |
case RasterBuffer.TYPE_DOUBLE:
|
| 463 |
writeDoubleBand(sizeY, posicionY); |
| 464 |
break;
|
| 465 |
} |
| 466 |
} |
| 467 |
|
| 468 |
/**
|
| 469 |
* Funci?n que gestiona la lectura desde el origen y la escritura
|
| 470 |
* de Gdal sobre el fichero destino.
|
| 471 |
* @param mode Modo de escritura
|
| 472 |
* @throws IOException
|
| 473 |
*/
|
| 474 |
private void write(int mode) throws IOException { |
| 475 |
bufBands = new GdalBuffer[nBands];
|
| 476 |
for(int iBand = 0; iBand < nBands; iBand ++) |
| 477 |
bufBands[iBand] = new GdalBuffer();
|
| 478 |
|
| 479 |
int blockSize = 256; |
| 480 |
try {
|
| 481 |
blockSize = Integer.parseInt(driverParams.getParamById("blocksize").defaultValue); |
| 482 |
}catch(NumberFormatException e) { |
| 483 |
//Se queda con el valor de inicializaci?n
|
| 484 |
} |
| 485 |
|
| 486 |
if (mode == GeoRasterWriter.MODE_FILEWRITE) {
|
| 487 |
/*for (int iBand = 0; iBand < this.nBands; iBand++) {
|
| 488 |
rband = dset_destino.getRasterBand(iBand + 1);
|
| 489 |
|
| 490 |
for (int iBlock = 0; iBlock < nBlocks; iBlock++) {
|
| 491 |
if(write){
|
| 492 |
//leemos el bloque origen
|
| 493 |
buf.buffByte = currentRaster.getGeoFile().getWindow(0,
|
| 494 |
iBlock * this.support.getBlockSize(),
|
| 495 |
sizeWindowX,
|
| 496 |
this.support.getBlockSize(),
|
| 497 |
iBand +
|
| 498 |
1);
|
| 499 |
|
| 500 |
//Escribimos el bloque destino
|
| 501 |
rband.writeRaster(0,
|
| 502 |
iBlock * this.support.getBlockSize(),
|
| 503 |
sizeWindowX,
|
| 504 |
this.support.getBlockSize(), buf,
|
| 505 |
Gdal.GDT_Byte);
|
| 506 |
}//else
|
| 507 |
//this.writeClose();
|
| 508 |
}
|
| 509 |
}*/
|
| 510 |
} else if (mode == GeoRasterWriter.MODE_DATAWRITE) { |
| 511 |
for (int iBlock = 0; iBlock < nBlocks; iBlock++) { |
| 512 |
int posicionY = iBlock * blockSize;
|
| 513 |
if(write)
|
| 514 |
writeBands( blockSize, posicionY); |
| 515 |
} |
| 516 |
} |
| 517 |
|
| 518 |
if (anchoResto != 0) { |
| 519 |
if (mode == GeoRasterWriter.MODE_FILEWRITE) {
|
| 520 |
/*for (int iBand = 0; iBand < this.nBands; iBand++) {
|
| 521 |
rband = dset_destino.getRasterBand(iBand + 1);
|
| 522 |
if(write){
|
| 523 |
//leemos el bloque origen
|
| 524 |
buf.buffByte = currentRaster.getGeoFile().getWindow(0,
|
| 525 |
nBlocks * this.support.getBlockSize(),
|
| 526 |
sizeWindowX,
|
| 527 |
anchoResto,
|
| 528 |
iBand +
|
| 529 |
1);
|
| 530 |
|
| 531 |
//Escribimos el bloque destino
|
| 532 |
rband.writeRaster(0,
|
| 533 |
nBlocks * this.support.getBlockSize(),
|
| 534 |
sizeWindowX, anchoResto, buf,
|
| 535 |
Gdal.GDT_Byte);
|
| 536 |
}//else
|
| 537 |
//this.writeClose();
|
| 538 |
}*/
|
| 539 |
} else if (mode == GeoRasterWriter.MODE_DATAWRITE) { |
| 540 |
int posicionY = nBlocks * blockSize;
|
| 541 |
if(write)
|
| 542 |
writeBands(anchoResto, posicionY); |
| 543 |
} |
| 544 |
} |
| 545 |
|
| 546 |
} |
| 547 |
|
| 548 |
/**
|
| 549 |
* Realiza la funci?n de compresi?n a partir de un GeoRasterFile.
|
| 550 |
* @throws IOException
|
| 551 |
*/
|
| 552 |
public void fileWrite() throws IOException { |
| 553 |
write(GeoRasterWriter.MODE_FILEWRITE); |
| 554 |
} |
| 555 |
|
| 556 |
/**
|
| 557 |
* Realiza una copia en el formato especificado.
|
| 558 |
* @throws IOException
|
| 559 |
*/
|
| 560 |
public static void createCopy(es.gva.cit.jgdal.GdalDriver driverDst, String dst, String src, |
| 561 |
boolean bstrict, String[] params, IProjection proj) throws IOException, GdalException { |
| 562 |
if (dst == null || src == null) { |
| 563 |
throw new IOException("No se ha asignado un fichero de entrada."); |
| 564 |
} |
| 565 |
|
| 566 |
GdalDriver gdalFile; |
| 567 |
try {
|
| 568 |
gdalFile = new GdalDriver(proj, src);
|
| 569 |
driverDst.createCopy(dst, gdalFile.getNative(), bstrict, params); |
| 570 |
if(dst.endsWith(".jpg") || dst.endsWith(".jpeg")) |
| 571 |
RasterUtilities.createWorldFile(dst, gdalFile.getExtent(), gdalFile.getWidth(), gdalFile.getHeight()); |
| 572 |
gdalFile.close(); |
| 573 |
} catch (NotSupportedExtensionException e) {
|
| 574 |
e.printStackTrace(); |
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
/**
|
| 579 |
* Realiza la escritura de datos con los datos que le pasa el cliente.
|
| 580 |
* @throws IOException
|
| 581 |
*/
|
| 582 |
public void dataWrite() throws IOException { |
| 583 |
if (dataWriter == null) |
| 584 |
throw new IOException("No se ha obtenido un objeto de entrada para la escritura valido."); |
| 585 |
|
| 586 |
write(GeoRasterWriter.MODE_DATAWRITE); |
| 587 |
|
| 588 |
if(driverParams.getParamById("tfw").defaultValue.equals("true")) { |
| 589 |
if(extent != null) |
| 590 |
RasterUtilities.createWorldFile(this.outFileName, extent, sizeWindowX, sizeWindowY);
|
| 591 |
} |
| 592 |
} |
| 593 |
|
| 594 |
/**
|
| 595 |
* Cancela el salvado de datos.
|
| 596 |
* @throws GdalException
|
| 597 |
*/
|
| 598 |
public void writeClose() { |
| 599 |
try {
|
| 600 |
if(dset_destino != null) |
| 601 |
dset_destino.close(); |
| 602 |
//oSRS = null;
|
| 603 |
} catch (GdalException e) {
|
| 604 |
e.printStackTrace(); |
| 605 |
} |
| 606 |
} |
| 607 |
|
| 608 |
/**
|
| 609 |
* Cancela el salvado de datos.
|
| 610 |
*/
|
| 611 |
public void writeCancel() { |
| 612 |
write = false;
|
| 613 |
} |
| 614 |
|
| 615 |
/**
|
| 616 |
* Obtiene el valor a la variable write que estar? a true cuando se est? escribiendo
|
| 617 |
* o puede escribirse la imagen de salida. El cancelar la operaci?n de escritura
|
| 618 |
* pondr? esta variable a false deteniendose la escritura y cerrandose el dataset
|
| 619 |
* de salida.
|
| 620 |
* @return True si puede escribirse y false si no puede
|
| 621 |
*/
|
| 622 |
public boolean isWrite() { |
| 623 |
return write;
|
| 624 |
} |
| 625 |
|
| 626 |
/**
|
| 627 |
* Asigna el valor a la variable write que estar? a true cuando se est? escribiendo
|
| 628 |
* o puede escribirse la imagen de salida. El cancelar la operaci?n de escritura
|
| 629 |
* pondr? esta variable a false deteniendose la escritura y cerrandose el dataset
|
| 630 |
* de salida.
|
| 631 |
* @param write Variable booleana. True si puede escribirse y false si no puede
|
| 632 |
*/
|
| 633 |
public void setWrite(boolean write) { |
| 634 |
this.write = write;
|
| 635 |
} |
| 636 |
|
| 637 |
/**
|
| 638 |
* Asigna los par?metros del driver modificados por el cliente.
|
| 639 |
* @param WriterParams
|
| 640 |
*/
|
| 641 |
public void setParams(WriterParams params) { |
| 642 |
this.driverParams = params;
|
| 643 |
|
| 644 |
int blockSize = 256; |
| 645 |
try {
|
| 646 |
blockSize = Integer.parseInt(driverParams.getParamById("blocksize").defaultValue); |
| 647 |
nBlocks = (int) (sizeWindowY / blockSize);
|
| 648 |
anchoResto = sizeWindowY - (nBlocks * blockSize); |
| 649 |
}catch(NumberFormatException e) { |
| 650 |
//Se queda con el valor de inicializaci?n
|
| 651 |
} |
| 652 |
} |
| 653 |
} |