gvsig-raster / org.gvsig.raster.gdal / trunk / org.gvsig.raster.gdal / org.gvsig.raster.gdal.io / src / main / java / org / gvsig / raster / gdal / io / GdalProvider.java @ 1083
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.gdal.io; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.io.BufferedReader; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import org.gvsig.fmap.dal.DALFileLocator; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
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import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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import org.gvsig.fmap.dal.coverage.exception.ParsingException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.jgdal.GdalException; |
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import org.gvsig.metadata.MetadataLocator; |
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import org.gvsig.raster.cache.tile.provider.TileListener; |
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import org.gvsig.raster.cache.tile.provider.TileServer; |
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import org.gvsig.raster.impl.datastruct.ExtentImpl; |
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import org.gvsig.raster.impl.provider.DefaultRasterProvider; |
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import org.gvsig.raster.impl.provider.RasterProvider; |
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import org.gvsig.raster.impl.provider.tile.FileTileServer; |
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import org.gvsig.raster.impl.store.AbstractRasterDataParameters; |
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import org.gvsig.raster.impl.store.DefaultStoreFactory; |
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import org.gvsig.raster.impl.store.properties.DataStoreMetadata; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.extensionpoint.ExtensionPoint; |
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import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
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import org.gvsig.tools.task.Cancellable; |
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import org.gvsig.tools.task.TaskStatus; |
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/**
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* This class represents the data access for gdal formats.
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*
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* @author Luis W. Sevilla
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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@SuppressWarnings("deprecation") |
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public class GdalProvider extends DefaultRasterProvider { |
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public static String NAME = "Gdal Store"; |
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public static String DESCRIPTION = "Gdal Raster file"; |
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public static final String METADATA_DEFINITION_NAME = "GdalStore"; |
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public static final String FORMAT_GTiff = "GTiff"; |
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public static final String FORMAT_VRT = "VRT"; |
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public static final String FORMAT_NITF = "NITF"; |
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public static final String FORMAT_HFA = "HFA"; |
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public static final String FORMAT_ELAS = "ELAS"; |
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public static final String FORMAT_MEM = "MEM"; |
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public static final String FORMAT_BMP = "BMP"; |
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public static final String FORMAT_PCIDSK = "PCIDSK"; |
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public static final String FORMAT_ILWIS = "ILWIS"; |
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public static final String FORMAT_HDF4 = "HDF4Image"; |
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public static final String FORMAT_PNM = "PNM"; |
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public static final String FORMAT_ENVI = "ENVI"; |
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public static final String FORMAT_EHDR = "EHdr"; |
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public static final String FORMAT_PAUX = "PAux"; |
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public static final String FORMAT_MFF = "MFF"; |
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public static final String FORMAT_MFF2 = "MFF2"; |
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public static final String FORMAT_BT = "BT"; |
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public static final String FORMAT_IDA = "IDA"; |
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public static final String FORMAT_RMF = "RMF"; |
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public static final String FORMAT_RST = "RST"; |
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public static final String FORMAT_LEVELLER = "Leveller"; |
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public static final String FORMAT_TERRAGEN = "Terragen"; |
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public static final String FORMAT_ERS = "ERS"; |
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public static final String FORMAT_INGR = "INGR"; |
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public static final String FORMAT_GSAG = "GSAG"; |
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public static final String FORMAT_GSBG = "GSBG"; |
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public static final String FORMAT_ADRG = "ADRG"; |
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public static final int BAND_HEIGHT = 64; |
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protected GdalNative file = null; |
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private Extent viewRequest = null; |
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protected static String[] formatList = null; |
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public static void register() { |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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registerFormats(); |
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ExtensionPoint point = extensionPoints.get("DefaultRasterProvider");
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point.append("reader", GdalProvider.NAME, GdalProvider.class);
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RasterLocator.getManager().registerFileProvidersTiled(GdalProvider.class); |
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DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
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if (dataman != null && !dataman.getStoreProviders().contains(NAME)) { |
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dataman.registerStoreProvider(NAME, |
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GdalProvider.class, GdalDataParameters.class); |
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} |
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if(DALFileLocator.getFilesystemServerExplorerManager() != null) |
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DALFileLocator.getFilesystemServerExplorerManager().registerProvider( |
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NAME, DESCRIPTION, |
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GdalFilesystemServerExplorer.class); |
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dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
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} |
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private static void registerFormats() { |
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formatList = new String[] { |
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"bmp",
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"gif",
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"tif",
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"tiff",
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"jpg",
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"jpeg",
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"png",
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"vrt",
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"dat", // Envi |
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"lan", // Erdas |
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"gis", // Erdas |
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"img", // Erdas |
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"pix", // PCI Geomatics |
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"aux", // PCI Geomatics |
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"adf", // ESRI Grids |
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"mpr", // Ilwis |
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"mpl", // Ilwis |
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"map", // PC Raster |
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"asc",
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"pgm", //Ficheros PNM en escala de grises |
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"ppm", //Ficheros PNM en RGB |
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"rst", //IDRISIS |
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"rmf", //Raster Matrix Format |
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"nos",
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"kap",
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"hdr",
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"raw",
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"ers"};
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for (int i = 0; i < formatList.length; i++) |
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RasterLocator.getManager().addFormat(formatList[i], GdalProvider.class); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.RasterProvider#getFormatList()
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*/
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public String[] getFormatList() { |
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return formatList;
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} |
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/**
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* Returns true if the extension is supported and false if doesn't
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* @param ext
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* @return
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*/
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public boolean isExtensionSupported(String ext) { |
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if(ext.indexOf(".") != -1) |
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ext = ext.substring(ext.lastIndexOf(".") + 1, ext.length()); |
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for (int i = 0; i < formatList.length; i++) { |
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if(formatList[i].compareTo(ext) == 0) |
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return true; |
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} |
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return false; |
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} |
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/**
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* Mandatory constructor to instantiate an empty provider
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*/
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public GdalProvider() {
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} |
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/**
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* Constructor. Abre el dataset.
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* @param proj Proyecci?n
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* @param fName Nombre del fichero
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* @throws NotSupportedExtensionException
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*/
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public GdalProvider(String params) throws NotSupportedExtensionException { |
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super(params);
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if(params instanceof String) { |
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GdalDataParameters p = new GdalDataParameters();
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p.setURI((String)params);
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super.init(p, null, ToolsLocator.getDynObjectManager() |
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.createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition( |
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DataStore.METADATA_DEFINITION_NAME))); |
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init(p, null);
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} |
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} |
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public GdalProvider (GdalDataParameters params,
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
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super(params, storeServices, ToolsLocator.getDynObjectManager()
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.createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition( |
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DataStore.METADATA_DEFINITION_NAME))); |
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init(params, storeServices); |
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} |
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public GdalProvider(AbstractRasterDataParameters params,
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DataStoreProviderServices storeServices, DynObject metadata) {
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super(params, storeServices, metadata);
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} |
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/**
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* Creates file references and loads structures with the information and metadata
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* @param params load parameters
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* @throws NotSupportedExtensionException
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*/
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public void init (AbstractRasterDataParameters params, |
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
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try {
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setParam(storeServices, params); |
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validRmf(params.getURI()); |
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file = new GdalNative(translateFileName(params.getURI()));
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setColorInterpretation(file.colorInterpr); |
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setColorTable(file.palette); |
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noData = file.getNoDataValue(); |
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wktProjection = file.getProjectionRef(); |
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//CrsWkt crs = new CrsWkt(wktProjection);
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//IProjection proj = CRSFactory.getCRS("EPSG:23030");
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ownTransformation = file.getOwnTransformation(); |
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externalTransformation = (AffineTransform)ownTransformation.clone();
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load(); |
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if(file != null) |
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bandCount = file.getRasterCount(); |
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} catch (GdalException e) {
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throw new NotSupportedExtensionException("Extension not supported", e); |
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} catch(Exception e) { |
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System.out.println("Error en GdalOpen"); |
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e.printStackTrace(); |
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file = null;
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} |
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//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf
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int[] dt = new int[file.getDataType().length]; |
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for (int i = 0; i < dt.length; i++) |
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dt[i] = rasterUtil.getRasterBufTypeFromGdalType(file.getDataType()[i]); |
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setDataType(dt); |
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super.init();
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try {
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loadFromRmf(getRmfBlocksManager()); |
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} catch (ParsingException e) {
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//No lee desde rmf
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} |
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} |
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/**
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* Comprueba si el fichero abierto es un RasterMetaFile o una imagen
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* raster.
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* @throws GdalException
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*/
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private void validRmf(String file) throws GdalException { |
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if(file.endsWith(".rmf")) { |
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File f = new File(file); |
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FileReader fr;
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try {
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fr = new FileReader(f); |
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BufferedReader br = new BufferedReader(fr); |
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char[] buffer = new char[5]; |
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br.read(buffer); |
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StringBuffer st = new StringBuffer(new String(buffer)); |
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if(st.toString().equals("<?xml")) |
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throw new GdalException("RasterMetaFile"); |
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} catch (FileNotFoundException e) { |
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throw new GdalException("File Not Found"); |
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} catch (IOException e) { |
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throw new GdalException(""); |
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#load()
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*/
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public RasterProvider load() {
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return this; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.RasterProvider#isOpen()
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*/
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public boolean isOpen() { |
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if(file != null && file.isOpen()) |
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return true; |
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return false; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#translateFileName(java.lang.String)
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*/
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public String translateFileName(String fileName) { |
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if(fileName.endsWith("hdr")) |
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return fileName.substring(0, fileName.lastIndexOf(".")); |
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return fileName;
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} |
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/**
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* Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n
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* de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v)
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* ha de estar en coordenadas del fichero.
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*/
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public void setView(Extent e) { |
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viewRequest = new ExtentImpl(e);
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getView()
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*/
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public Extent getView() {
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return viewRequest;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWidth()
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*/
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public double getWidth() { |
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return file.width;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getHeight()
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*/
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public double getHeight() { |
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return file.height;
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} |
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/**
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* Read a line from the file
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* @param line
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* @param band
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* @return
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* @throws InvalidSetViewException
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* @throws FileNotOpenException
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* @throws RasterDriverException
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* @Deprecated This operation is deprecated because is not useful and in the future
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* it will not be maintained. The abstract operation has dissapear
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*/
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public Object readCompleteLine(int line, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
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if(line > this.getHeight() || band > this.getBandCount()) |
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throw new InvalidSetViewException("Request out of grid"); |
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try{
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return file.readCompleteLine(line, band);
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}catch(GdalException e){
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throw new RasterDriverException("Error reading data from Gdal library"); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int)
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*/
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public Object readBlock(int pos, int blockHeight, double scale) |
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throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException {
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if(pos < 0) |
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throw new InvalidSetViewException("Request out of grid"); |
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if((pos + blockHeight) > getHeight())
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blockHeight = Math.abs(((int)getHeight()) - pos); |
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try{
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return file.readBlock(pos, blockHeight, scale);
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}catch(GdalException e){
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throw new RasterDriverException("Error reading data from Gdal library"); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getData(int, int, int)
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*/
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public Object getData(int x, int y, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
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if(file != null){ |
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if(x < 0 || y < 0 || x >= file.width || y >= file.height) |
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throw new InvalidSetViewException("Request out of grid"); |
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Object[] data = file.getData(x, y); |
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return data[band];
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} |
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throw new FileNotOpenException("GdalNative not exist"); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.raster.cache.tile.provider.TileListener)
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*/
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public void getWindow(Extent ex, int bufWidth, int bufHeight, |
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BandList bandList, TileListener listener, Cancellable status) throws ProcessInterruptedException, RasterDriverException {
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(org.gvsig.fmap.dal.coverage.datastruct.Extent, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
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*/
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public Buffer getWindow(Extent ex, BandList bandList, Buffer rasterBuf, TaskStatus status) |
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throws ProcessInterruptedException, RasterDriverException {
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setView(ex); |
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try {
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file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
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rasterBuf.getWidth(), rasterBuf.getHeight(), true, status);
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} catch (GdalException e) {
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throw new RasterDriverException("Error reading data", e); |
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} |
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return rasterBuf;
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} |
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/*
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* (non-Javadoc)
|
| 445 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
|
| 446 |
*/
|
| 447 |
public Buffer getWindow(double ulx, double uly, double w, double h, |
| 448 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException { |
| 449 |
//El incremento o decremento de las X e Y depende de los signos de rotaci?n y escala en la matriz de transformaci?n. Por esto
|
| 450 |
//tenemos que averiguar si lrx es x + w o x -w, asi como si lry es y + h o y - h
|
| 451 |
Extent ext = getExtent(); |
| 452 |
Point2D pInit = rasterToWorld(new Point2D.Double(0, 0)); |
| 453 |
Point2D pEnd = rasterToWorld(new Point2D.Double(getWidth(), getHeight())); |
| 454 |
double wRaster = Math.abs(pEnd.getX() - pInit.getX()); |
| 455 |
double hRaster = Math.abs(pEnd.getY() - pInit.getY()); |
| 456 |
double lrx = (((ext.getULX() - wRaster) > ext.maxX()) || ((ext.getULX() - wRaster) < ext.minX())) ? (ulx + w) : (ulx - w);
|
| 457 |
double lry = (((ext.getULY() - hRaster) > ext.maxY()) || ((ext.getULY() - hRaster) < ext.minY())) ? (uly + h) : (uly - h);
|
| 458 |
|
| 459 |
Extent selectedExtent = new ExtentImpl(ulx, uly, lrx, lry);
|
| 460 |
setView(selectedExtent); |
| 461 |
|
| 462 |
try {
|
| 463 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
| 464 |
rasterBuf.getWidth(), rasterBuf.getHeight(), adjustToExtent, status); |
| 465 |
} catch (GdalException e) {
|
| 466 |
throw new RasterDriverException("Error reading data"); |
| 467 |
} |
| 468 |
|
| 469 |
return rasterBuf;
|
| 470 |
} |
| 471 |
|
| 472 |
/*
|
| 473 |
* (non-Javadoc)
|
| 474 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
|
| 475 |
*/
|
| 476 |
public Buffer getWindow(Extent extent, int bufWidth, int bufHeight, |
| 477 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException { |
| 478 |
//draw method
|
| 479 |
setView(extent); |
| 480 |
|
| 481 |
double width = 0; |
| 482 |
double height = 0; |
| 483 |
|
| 484 |
Point2D ul = new Point2D.Double(viewRequest.getULX(), viewRequest.getULY()); |
| 485 |
Point2D lr = new Point2D.Double(viewRequest.getLRX(), viewRequest.getLRY()); |
| 486 |
ul = worldToRaster(ul); |
| 487 |
lr = worldToRaster(lr); |
| 488 |
ul.setLocation(ul.getX() < 0 ? 1 : ul.getX(), ul.getY() < 0 ? 1 : ul.getY()); |
| 489 |
lr.setLocation(lr.getX() < 0 ? 1 : lr.getX(), lr.getY() < 0 ? 1 : lr.getY()); |
| 490 |
|
| 491 |
ul.setLocation(ul.getX() - 0.5, ul.getY() - 0.5); |
| 492 |
lr.setLocation(lr.getX() - 0.5, lr.getY() - 0.5); |
| 493 |
|
| 494 |
adjustPoints(ul, lr); |
| 495 |
|
| 496 |
width = Math.abs(((int)lr.getX()) - ((int)ul.getX())) + 1; |
| 497 |
height = Math.abs(((int)lr.getY()) - ((int)ul.getY())) + 1; |
| 498 |
|
| 499 |
try {
|
| 500 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
| 501 |
width, height, bufWidth, bufHeight, adjustToExtent, status); |
| 502 |
} catch (GdalException e) {
|
| 503 |
throw new RasterDriverException("Error reading data"); |
| 504 |
} |
| 505 |
|
| 506 |
return rasterBuf;
|
| 507 |
} |
| 508 |
|
| 509 |
|
| 510 |
private void adjustPoints(Point2D ul, Point2D lr) { |
| 511 |
double a = (ul.getX() - (int)ul.getX()); |
| 512 |
double b = (ul.getY() - (int)ul.getY()); |
| 513 |
ul.setLocation( (a > 0.95 || a < 0.05) ? Math.round(ul.getX()) : ul.getX(), |
| 514 |
(b > 0.95 || b < 0.05) ? Math.round(ul.getY()) : ul.getY()); |
| 515 |
lr.setLocation( (a > 0.95 || a < 0.05) ? Math.round(lr.getX()) : lr.getX(), |
| 516 |
(b > 0.95 || b < 0.05) ? Math.round(lr.getY()) : lr.getY()); |
| 517 |
} |
| 518 |
|
| 519 |
/*
|
| 520 |
* (non-Javadoc)
|
| 521 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(int, int, int, int, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
| 522 |
*/
|
| 523 |
public Buffer getWindow(int x, int y, int w, int h, |
| 524 |
BandList bandList, Buffer rasterBuf, TaskStatus status)
|
| 525 |
throws ProcessInterruptedException, RasterDriverException {
|
| 526 |
try {
|
| 527 |
setView( |
| 528 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(),
|
| 529 |
getWidth(), |
| 530 |
getHeight(), |
| 531 |
new Rectangle2D.Double(x, y, w, h))) |
| 532 |
); |
| 533 |
file.readWindow(rasterBuf, bandList, x, y, w, h, status); |
| 534 |
} catch (GdalException e) {
|
| 535 |
throw new RasterDriverException("Error reading data"); |
| 536 |
} |
| 537 |
return rasterBuf;
|
| 538 |
} |
| 539 |
|
| 540 |
/*
|
| 541 |
* (non-Javadoc)
|
| 542 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getBlockSize()
|
| 543 |
*/
|
| 544 |
public int getBlockSize(){ |
| 545 |
if(file != null) |
| 546 |
return file.getBlockSize();
|
| 547 |
else
|
| 548 |
return 0; |
| 549 |
} |
| 550 |
|
| 551 |
/*
|
| 552 |
* (non-Javadoc)
|
| 553 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getMetadata()
|
| 554 |
*/
|
| 555 |
public DataStoreMetadata getMetadata() {
|
| 556 |
if(file != null) |
| 557 |
return file.metadata;
|
| 558 |
else
|
| 559 |
return null; |
| 560 |
} |
| 561 |
|
| 562 |
/*
|
| 563 |
* (non-Javadoc)
|
| 564 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getTransparency()
|
| 565 |
*/
|
| 566 |
public Transparency getTransparency() { |
| 567 |
return file.fileTransparency;
|
| 568 |
} |
| 569 |
|
| 570 |
/*
|
| 571 |
* (non-Javadoc)
|
| 572 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isGeoreferenced()
|
| 573 |
*/
|
| 574 |
public boolean isGeoreferenced() { |
| 575 |
if(file != null) |
| 576 |
return file.georeferenced;
|
| 577 |
else
|
| 578 |
return false; |
| 579 |
} |
| 580 |
|
| 581 |
/**
|
| 582 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
| 583 |
* el valor de esta variable cada vez que dibuja.
|
| 584 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
| 585 |
*/
|
| 586 |
public boolean isSupersampling() { |
| 587 |
if(file != null) |
| 588 |
return file.isSupersampling;
|
| 589 |
else
|
| 590 |
return false; |
| 591 |
} |
| 592 |
|
| 593 |
public GdalNative getNative(){
|
| 594 |
return file;
|
| 595 |
} |
| 596 |
|
| 597 |
/*
|
| 598 |
* (non-Javadoc)
|
| 599 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setAffineTransform(java.awt.geom.AffineTransform)
|
| 600 |
*/
|
| 601 |
public void setAffineTransform(AffineTransform t){ |
| 602 |
super.setAffineTransform(t);
|
| 603 |
file.setExternalTransform(t); |
| 604 |
} |
| 605 |
|
| 606 |
/*
|
| 607 |
* (non-Javadoc)
|
| 608 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getOverviewCount(int)
|
| 609 |
*/
|
| 610 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 611 |
if(band >= getBandCount())
|
| 612 |
throw new BandAccessException("Wrong band"); |
| 613 |
try {
|
| 614 |
return file.getRasterBand(band + 1).getOverviewCount(); |
| 615 |
} catch (GdalException e) {
|
| 616 |
throw new RasterDriverException(""); |
| 617 |
} |
| 618 |
} |
| 619 |
|
| 620 |
/*
|
| 621 |
* (non-Javadoc)
|
| 622 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewWidth(int, int)
|
| 623 |
*/
|
| 624 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
| 625 |
if (band >= getBandCount())
|
| 626 |
throw new BandAccessException("Wrong band"); |
| 627 |
try {
|
| 628 |
if (overview >= file.getRasterBand(band + 1).getOverviewCount()) |
| 629 |
throw new BandAccessException("Wrong overview count"); |
| 630 |
return file.getRasterBand(band + 1).getOverview(overview).getRasterBandXSize(); |
| 631 |
} catch (GdalException e) {
|
| 632 |
throw new RasterDriverException(""); |
| 633 |
} |
| 634 |
} |
| 635 |
|
| 636 |
/*
|
| 637 |
* (non-Javadoc)
|
| 638 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewHeight(int, int)
|
| 639 |
*/
|
| 640 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
| 641 |
if (band >= getBandCount())
|
| 642 |
throw new BandAccessException("Wrong band"); |
| 643 |
try {
|
| 644 |
if (overview >= file.getRasterBand(band + 1).getOverviewCount()) |
| 645 |
throw new BandAccessException("Wrong overview count"); |
| 646 |
return file.getRasterBand(band + 1).getOverview(overview).getRasterBandYSize(); |
| 647 |
} catch (GdalException e) {
|
| 648 |
throw new RasterDriverException(""); |
| 649 |
} |
| 650 |
} |
| 651 |
|
| 652 |
/*
|
| 653 |
* (non-Javadoc)
|
| 654 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isOverviewsSupported()
|
| 655 |
*/
|
| 656 |
public boolean isOverviewsSupported() { |
| 657 |
return true; |
| 658 |
} |
| 659 |
|
| 660 |
/*
|
| 661 |
* (non-Javadoc)
|
| 662 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isReproyectable()
|
| 663 |
*/
|
| 664 |
public boolean isReproyectable() { |
| 665 |
return true; |
| 666 |
} |
| 667 |
|
| 668 |
/*
|
| 669 |
* (non-Javadoc)
|
| 670 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#needEnhanced()
|
| 671 |
*/
|
| 672 |
public boolean needEnhanced() { |
| 673 |
return (getDataType()[0] != Buffer.TYPE_BYTE || |
| 674 |
(getBandCount() == 1 && getDataType()[0] == Buffer.TYPE_BYTE)); |
| 675 |
} |
| 676 |
|
| 677 |
/*
|
| 678 |
* (non-Javadoc)
|
| 679 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getName()
|
| 680 |
*/
|
| 681 |
public String getName() { |
| 682 |
return NAME;
|
| 683 |
} |
| 684 |
|
| 685 |
/*
|
| 686 |
* (non-Javadoc)
|
| 687 |
* @see org.gvsig.raster.impl.provider.RasterProvider#setStatus(org.gvsig.raster.impl.provider.RasterProvider)
|
| 688 |
*/
|
| 689 |
public void setStatus(RasterProvider provider) { |
| 690 |
if(provider instanceof GdalProvider) { |
| 691 |
//Not implemented yet
|
| 692 |
} |
| 693 |
} |
| 694 |
|
| 695 |
/*
|
| 696 |
* (non-Javadoc)
|
| 697 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getTileServer()
|
| 698 |
*/
|
| 699 |
public TileServer getTileServer() {
|
| 700 |
if(tileServer == null) |
| 701 |
tileServer = new FileTileServer(this); |
| 702 |
return tileServer;
|
| 703 |
} |
| 704 |
|
| 705 |
/*
|
| 706 |
* (non-Javadoc)
|
| 707 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#close()
|
| 708 |
*/
|
| 709 |
public void close() { |
| 710 |
if(file != null){ |
| 711 |
file.dispose(); |
| 712 |
} |
| 713 |
try {
|
| 714 |
finalize(); |
| 715 |
} catch (Throwable e) { |
| 716 |
} |
| 717 |
} |
| 718 |
|
| 719 |
/*
|
| 720 |
* (non-Javadoc)
|
| 721 |
* @see java.lang.Object#finalize()
|
| 722 |
*/
|
| 723 |
protected void finalize() throws Throwable { |
| 724 |
file = null;
|
| 725 |
viewRequest = null;
|
| 726 |
if(formatList != null) { |
| 727 |
for (int i = 0; i < formatList.length; i++) { |
| 728 |
formatList[i] = null;
|
| 729 |
} |
| 730 |
formatList = null;
|
| 731 |
} |
| 732 |
super.finalize();
|
| 733 |
} |
| 734 |
} |