gvsig-raster / org.gvsig.raster.netcdf / trunk / org.gvsig.raster.netcdf / org.gvsig.raster.netcdf.io / src / main / java / org / gvsig / raster / netcdf / io / NetCDFProvider.java @ 1074
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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.netcdf.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.io.IOException; |
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import java.util.List; |
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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.parameter.RasterFileStoreParameters; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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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.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.DefaultRasterManager; |
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import org.gvsig.raster.impl.datastruct.DefaultNoData; |
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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.DefaultStoreFactory; |
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import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
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import org.gvsig.raster.impl.store.properties.DataStoreTransparency; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.task.Cancellable; |
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import org.gvsig.tools.task.TaskStatus; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import ucar.ma2.Array; |
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import ucar.ma2.DataType; |
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import ucar.ma2.InvalidRangeException; |
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import ucar.ma2.Range; |
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import ucar.nc2.dt.GridDatatype; |
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import ucar.nc2.dt.grid.GridDataset; |
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import ucar.unidata.geoloc.ProjectionRect; |
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/**
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* Data provider for NetCDF files with raster data
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*
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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 NetCDFProvider extends DefaultRasterProvider { |
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public static String NAME = "NetCDF Raster"; |
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public static String DESCRIPTION = "NetCDF Raster file"; |
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public final String METADATA_DEFINITION_NAME = NAME; |
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private Extent viewRequest = null; |
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private TileServer tileServer = null; |
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private boolean open = false; |
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private GridDataset gridNetCDF = null; |
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private List<GridDatatype> gridList = null; |
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private GridDatatype selectedGridDataType = null; |
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private DataStoreTransparency fileTransparency = null; |
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private static final Logger logger = LoggerFactory.getLogger(NetCDFProvider.class); |
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protected static String[] formatList = null; |
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public static void register() { |
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DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
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RasterLocator.getManager().registerFileProvidersTiled(NetCDFProvider.class); |
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registerFormats(); |
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if (dataman != null && !dataman.getStoreProviders().contains(NAME)) { |
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dataman.registerStoreProvider(NAME, |
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NetCDFProvider.class, NetCDFDataParametersImpl.class); |
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} |
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/*if (!dataman.getExplorerProviders().contains(NetCDFFilesystemServerExplorer.NAME)) {
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dataman.registerExplorerProvider(NetCDFFilesystemServerExplorer.NAME, NetCDFFilesystemServerExplorer.class, NetCDFServerExplorerParameters.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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NetCDFFilesystemServerExplorer.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[] {"nc"}; |
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for (int i = 0; i < formatList.length; i++) |
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RasterLocator.getManager().addFormat(formatList[i], NetCDFProvider.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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public NetCDFProvider() {
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} |
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/**
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* Opens the dataset.
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* @param proj Projection
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* @param fName File name
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* @throws NotSupportedExtensionException
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*/
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public NetCDFProvider(String params) throws NotSupportedExtensionException, OpenException { |
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super(params);
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if(params instanceof String) { |
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NetCDFDataParameters p = new NetCDFDataParametersImpl();
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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 NetCDFProvider (NetCDFDataParameters params,
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException, OpenException {
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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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/**
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* Build file references
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* @param proj Projection
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* @param param Load parameters
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* @throws NotSupportedExtensionException
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*/
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public void init (NetCDFDataParameters params, |
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException, OpenException {
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if(((RasterFileStoreParameters)params).getFile().exists()) {
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String fileName = ((RasterFileStoreParameters)params).getFile().getAbsolutePath();
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try {
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gridNetCDF = GridDataset.open(fileName); |
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gridList = gridNetCDF.getGrids(); |
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if(gridList.size() == 0) |
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throw new OpenException("There is not a grid variable", null); |
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selectedGridDataType = gridList.get(0);
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//netCDFFile = NetcdfFile.open(((RasterFileStoreParameters)params).getFile().getAbsolutePath());
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} catch (IOException e) { |
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throw new OpenException("Imposible to read the file", e); |
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} |
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/*List<Variable> variableList = netCDFFile.getVariables();
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Iterator<Variable> it = variableList.iterator();
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while(it.hasNext()) {
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Variable var = it.next();
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System.out.println("===>>" + var.getName());
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}*/
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setParam(storeServices, params); |
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reloadMetadataFromGrid(); |
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noData = new DefaultNoData(Double.NaN, Double.NaN, fileName); |
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load(); |
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} else
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setParam(storeServices, params); |
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super.init();
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selectSubdataset(getId(0, 0, 0)); |
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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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open = true;
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} |
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/**
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* Reloads metadata using the selected grid
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*/
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private void reloadMetadataFromGrid() { |
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wktProjection = null;
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//CrsWkt crs = new CrsWkt(wktProjection);
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//IProjection proj = CRSFactory.getCRS("EPSG:23030");
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/*LatLonRect gcs = selectedGridDataType.getCoordinateSystem().getLatLonBoundingBox();
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getColorInterpretation();
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double scaleX = gcs.getWidth() / selectedGridDataType.getXDimension().getLength();
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double scaleY = gcs.getHeight() / selectedGridDataType.getYDimension().getLength();
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ownTransformation = new AffineTransform(
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scaleX, 0,
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0, -scaleY,
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gcs.getLonMin(),
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gcs.getLatMax());*/
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ProjectionRect pRect = selectedGridDataType.getCoordinateSystem().getBoundingBox(); |
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double scaleX = pRect.getWidth() / selectedGridDataType.getXDimension().getLength();
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double scaleY = pRect.getHeight() / selectedGridDataType.getYDimension().getLength();
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ownTransformation = new AffineTransform( |
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scaleX, 0,
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0, -scaleY,
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pRect.getMinX(), |
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pRect.getMaxY()); |
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externalTransformation = (AffineTransform)ownTransformation.clone();
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bandCount = 1; //One variable is always shown |
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setDataType(); |
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} |
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/**
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* @param dataType The dataType to set.
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*/
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private void setDataType() { |
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DataType dt = selectedGridDataType.getDataType(); |
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int type = Buffer.TYPE_UNDEFINED; |
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if(dt.name() == DataType.BYTE.name()) {
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type = Buffer.TYPE_BYTE;
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} |
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if(dt.name() == DataType.SHORT.name()) {
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type = Buffer.TYPE_SHORT;
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} |
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if(dt.name() == DataType.INT.name()) {
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type = Buffer.TYPE_INT;
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} |
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if(dt.name() == DataType.DOUBLE.name()) {
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type = Buffer.TYPE_DOUBLE;
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} |
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if(dt.name() == DataType.FLOAT.name()) {
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type = Buffer.TYPE_FLOAT;
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} |
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if(dt.name() == DataType.LONG.name()) {
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type = Buffer.TYPE_DOUBLE;
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} |
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int[] dtype = new int[getBandCount()]; |
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for (int i = 0; i < dtype.length; i++) |
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dtype[i] = type; |
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setDataType(dtype); |
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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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return open;
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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#close()
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*/
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public void close() { |
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try {
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gridNetCDF.close(); |
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} catch (IOException e) { |
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logger.error("Error closing file", e);
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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#translateFileName(java.lang.String)
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*/
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public String translateFileName(String fileName) { |
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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 selectedGridDataType.getXDimension().getLength();
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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 selectedGridDataType.getYDimension().getLength();
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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, double)
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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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NetCDFDataParameters p = (NetCDFDataParameters)param; |
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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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Buffer buf = DefaultRasterManager.getInstance().createBuffer(getDataType()[0], (int)getWidth(), blockHeight, 1, true); |
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try {
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int time = p.getFieldTime();
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int level = getLevelValue();
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Range rangeY = new Range(pos, pos + blockHeight - 1, 1); |
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Range rangeX = new Range(0, (int)(getWidth() - 1), 1); |
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GridDatatype dt = selectedGridDataType.makeSubset(null, null, null, null /*getTime(1), getLevel(1)*/, rangeY, rangeX); |
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Array values = dt.readDataSlice(time, level, -1, -1); |
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return arrayValuesToBuffer(values, buf, rangeX.length(), rangeY.length(), null); |
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} catch (IOException e) { |
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throw new RasterDriverException("Error reading a slice", e); |
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} catch (InvalidRangeException e) {
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throw new RasterDriverException("Error reading a slice", e); |
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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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NetCDFDataParameters p = (NetCDFDataParameters)param; |
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if(x < 0 || y < 0 || x >= getWidth() || y >= getHeight()) |
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throw new InvalidSetViewException("Request out of grid"); |
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try {
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int strideX = 1; |
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int strideY = 1; |
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Range rangeY = new Range((int)(getHeight() - y), (int)(getHeight() - y), strideY); |
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Range rangeX = new Range(x, x, strideX);
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selectSubdataset(); |
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int time = p.getFieldTime();
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int level = getLevelValue();
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GridDatatype dt = selectedGridDataType.makeSubset(null, null, null, null, rangeY, rangeX); |
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Array values = dt.readDataSlice(time, level, -1, -1); |
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Object data = null; |
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|
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if(getDataType()[0] == Buffer.TYPE_BYTE) { |
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data = new java.lang.Integer(values.getByte(0)); |
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} |
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if(getDataType()[0] == Buffer.TYPE_SHORT) { |
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data = new java.lang.Integer(values.getShort(0)); |
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} |
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|
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if(getDataType()[0] == Buffer.TYPE_INT) { |
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data = new java.lang.Integer(values.getInt(0)); |
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} |
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if(getDataType()[0] == Buffer.TYPE_FLOAT) { |
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data = new java.lang.Float(values.getFloat(0)); |
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} |
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if(getDataType()[0] == Buffer.TYPE_DOUBLE) { |
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data = new java.lang.Double(values.getDouble(0)); |
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} |
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return data;
|
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} catch (IOException e) { |
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throw new RasterDriverException("Error reading a slice", e); |
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} catch (InvalidRangeException e) {
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throw new RasterDriverException("Error reading a slice", e); |
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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#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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/*
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| 441 |
* (non-Javadoc)
|
| 442 |
* @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)
|
| 443 |
*/
|
| 444 |
public Buffer getWindow(Extent extent, BandList bandList, Buffer rasterBuf, TaskStatus status) |
| 445 |
throws ProcessInterruptedException, RasterDriverException {
|
| 446 |
NetCDFDataParameters p = (NetCDFDataParameters)param; |
| 447 |
setView(extent); |
| 448 |
|
| 449 |
Point2D ul = new Point2D.Double(viewRequest.getULX(), viewRequest.getULY()); |
| 450 |
Point2D lr = new Point2D.Double(viewRequest.getLRX(), viewRequest.getLRY()); |
| 451 |
ul = worldToRaster(ul); |
| 452 |
lr = worldToRaster(lr); |
| 453 |
ul.setLocation(ul.getX() < 0 ? 0 : ul.getX(), ul.getY() < 0 ? 0 : ul.getY()); |
| 454 |
lr.setLocation(lr.getX() < 0 ? 0 : lr.getX(), lr.getY() < 0 ? 0 : lr.getY()); |
| 455 |
ul.setLocation(ul.getX() > getWidth() ? getWidth() : ul.getX(), ul.getY() > getHeight() ? getHeight() : ul.getY()); |
| 456 |
lr.setLocation(lr.getX() > getWidth() ? getWidth() : lr.getX(), lr.getY() > getHeight() ? getHeight() : lr.getY()); |
| 457 |
|
| 458 |
adjustPoints(ul, lr); |
| 459 |
|
| 460 |
try {
|
| 461 |
int strideX = 1; |
| 462 |
int strideY = 1; |
| 463 |
Range rangeY = new Range((int)(getHeight() - lr.getY()), (int)(getHeight() - ul.getY() - 1), strideY); |
| 464 |
Range rangeX = new Range((int)ul.getX(), (int)(lr.getX() - 1), strideX); |
| 465 |
|
| 466 |
selectSubdataset(); |
| 467 |
int time = p.getFieldTime();
|
| 468 |
int level = getLevelValue();
|
| 469 |
GridDatatype dt = selectedGridDataType.makeSubset(null, null, null, null /*getTime(strideX), getLevel(strideX)*/, rangeY, rangeX); |
| 470 |
Array values = dt.readDataSlice(time, level, -1, -1); |
| 471 |
rasterBuf = arrayValuesToBuffer(values, rasterBuf, rangeX.length(), rangeY.length(), bandList); |
| 472 |
} catch (IOException e) { |
| 473 |
throw new RasterDriverException("Error reading a slice", e); |
| 474 |
} catch (InvalidRangeException e) {
|
| 475 |
throw new RasterDriverException("Error reading a slice", e); |
| 476 |
} |
| 477 |
|
| 478 |
return rasterBuf;
|
| 479 |
} |
| 480 |
|
| 481 |
/**
|
| 482 |
* Gets the Range of the selected time or null if there is not a selected time
|
| 483 |
* @param strideX
|
| 484 |
* @return
|
| 485 |
* @throws InvalidRangeException
|
| 486 |
*/
|
| 487 |
@SuppressWarnings("unused") |
| 488 |
private Range getTime(int strideX) throws InvalidRangeException { |
| 489 |
NetCDFDataParameters p = (NetCDFDataParameters)param; |
| 490 |
int time = p.getFieldTime();
|
| 491 |
return new Range(time, time, strideX); |
| 492 |
} |
| 493 |
|
| 494 |
/*private int getTimeValue() {
|
| 495 |
int time = 0;
|
| 496 |
if(param.hasDynValue(NetCDFDataParameters.FIELD_TIME))
|
| 497 |
time = ((Integer)param.getDynValue(NetCDFDataParameters.FIELD_TIME)).intValue();
|
| 498 |
return time;
|
| 499 |
}*/
|
| 500 |
|
| 501 |
/**
|
| 502 |
* Gets the Range of the selected level or null if there is not a selected level
|
| 503 |
* @param strideX
|
| 504 |
* @return
|
| 505 |
* @throws InvalidRangeException
|
| 506 |
*/
|
| 507 |
@SuppressWarnings("unused") |
| 508 |
private Range getLevel(int strideX) throws InvalidRangeException { |
| 509 |
int level = getLevelValue();
|
| 510 |
return new Range(level, level, strideX); |
| 511 |
} |
| 512 |
|
| 513 |
private int getLevelValue() { |
| 514 |
int level = 0; |
| 515 |
if(param.hasDynValue(NetCDFDataParameters.FIELD_LEVEL))
|
| 516 |
level = ((Integer)param.getDynValue(NetCDFDataParameters.FIELD_LEVEL)).intValue();
|
| 517 |
return level;
|
| 518 |
} |
| 519 |
|
| 520 |
|
| 521 |
/**
|
| 522 |
* Selects the GridDataType using the selected variable in the parameters
|
| 523 |
*/
|
| 524 |
public void selectSubdataset() { |
| 525 |
if(param.hasDynValue(NetCDFDataParameters.FIELD_VARIABLE)) {
|
| 526 |
NetCDFDataParameters p = (NetCDFDataParameters)param; |
| 527 |
String variable = (String)param.getDynValue(NetCDFDataParameters.FIELD_VARIABLE); |
| 528 |
if(variable != null) { |
| 529 |
for (int j = 0; j < gridList.size(); j++) { |
| 530 |
if(gridList.get(j).getName().compareTo(variable) == 0) { |
| 531 |
selectedGridDataType = gridList.get(j); |
| 532 |
reloadMetadataFromGrid(); |
| 533 |
super.selectSubdataset(getId(j, getLevelValue(), p.getFieldTime()));
|
| 534 |
} |
| 535 |
} |
| 536 |
} |
| 537 |
} |
| 538 |
} |
| 539 |
|
| 540 |
/**
|
| 541 |
* Gets the identifier of a subdataset
|
| 542 |
* @param grid
|
| 543 |
* @param level
|
| 544 |
* @param time
|
| 545 |
* @return
|
| 546 |
*/
|
| 547 |
private String getId(int grid, int level, int time) { |
| 548 |
return grid + "-" + level + "-" + time; |
| 549 |
} |
| 550 |
|
| 551 |
/**
|
| 552 |
* Loads a Buffer object from an netCDF Array.
|
| 553 |
* @param values
|
| 554 |
* @param rasterBuf
|
| 555 |
* @param w
|
| 556 |
* @param h
|
| 557 |
* @return
|
| 558 |
*/
|
| 559 |
private Buffer arrayValuesToBuffer(Array values, Buffer rasterBuf, int w, int h, BandList bandList) { |
| 560 |
Buffer buf = null; |
| 561 |
boolean resampling = false; |
| 562 |
|
| 563 |
if((rasterBuf.getWidth() * rasterBuf.getHeight()) != values.getSize()) {
|
| 564 |
buf = DefaultRasterManager.getInstance().createBuffer(getDataType()[0], w, h, rasterBuf.getBandCount(), true); |
| 565 |
resampling = true;
|
| 566 |
} else
|
| 567 |
buf = rasterBuf; |
| 568 |
|
| 569 |
int[] drawableBands = bandList != null ? bandList.getBufferBandToDraw(getURIOfFirstProvider(), 0) : new int[1]; |
| 570 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
| 571 |
return rasterBuf;
|
| 572 |
|
| 573 |
if(getDataType()[0] == Buffer.TYPE_BYTE) { |
| 574 |
for (int i = 0; i < values.getSize(); i++) { |
| 575 |
int[] rc = getColAndRow(i, buf); |
| 576 |
for (int iBands = 0; iBands < drawableBands.length; iBands++) |
| 577 |
buf.setElem(rc[0], rc[1], drawableBands[iBands], values.getByte(i)); |
| 578 |
} |
| 579 |
} |
| 580 |
|
| 581 |
if(getDataType()[0] == Buffer.TYPE_SHORT) { |
| 582 |
for (int i = 0; i < values.getSize(); i++) { |
| 583 |
int[] rc = getColAndRow(i, buf); |
| 584 |
for (int iBands = 0; iBands < drawableBands.length; iBands++) |
| 585 |
buf.setElem(rc[0], rc[1], drawableBands[iBands], values.getShort(i)); |
| 586 |
} |
| 587 |
} |
| 588 |
|
| 589 |
if(getDataType()[0] == Buffer.TYPE_INT) { |
| 590 |
for (int i = 0; i < values.getSize(); i++) { |
| 591 |
int[] rc = getColAndRow(i, buf); |
| 592 |
for (int iBands = 0; iBands < drawableBands.length; iBands++) |
| 593 |
buf.setElem(rc[0], rc[1], drawableBands[iBands], values.getInt(i)); |
| 594 |
} |
| 595 |
} |
| 596 |
|
| 597 |
if(getDataType()[0] == Buffer.TYPE_FLOAT) { |
| 598 |
for (int i = 0; i < values.getSize(); i++) { |
| 599 |
int[] rc = getColAndRow(i, buf); |
| 600 |
for (int iBands = 0; iBands < drawableBands.length; iBands++) |
| 601 |
buf.setElem(rc[0], rc[1], drawableBands[iBands], values.getFloat(i)); |
| 602 |
} |
| 603 |
} |
| 604 |
|
| 605 |
if(getDataType()[0] == Buffer.TYPE_DOUBLE) { |
| 606 |
for (int i = 0; i < values.getSize(); i++) { |
| 607 |
int[] rc = getColAndRow(i, buf); |
| 608 |
for (int iBands = 0; iBands < drawableBands.length; iBands++) |
| 609 |
buf.setElem(rc[0], rc[1], drawableBands[iBands], values.getDouble(i)); |
| 610 |
} |
| 611 |
} |
| 612 |
if(resampling) {
|
| 613 |
try {
|
| 614 |
Buffer result = null; |
| 615 |
result = buf.getAdjustedWindow(rasterBuf.getWidth(), rasterBuf.getHeight(), Buffer.INTERPOLATION_NearestNeighbour);
|
| 616 |
if(result != buf)
|
| 617 |
buf.dispose(); |
| 618 |
return result;
|
| 619 |
} catch (ProcessInterruptedException e) {
|
| 620 |
return buf;
|
| 621 |
} |
| 622 |
} |
| 623 |
return buf;
|
| 624 |
} |
| 625 |
|
| 626 |
/**
|
| 627 |
* Calculates the row and column number for the position i in the
|
| 628 |
* array of data
|
| 629 |
* @param i
|
| 630 |
* @param buf
|
| 631 |
* @return
|
| 632 |
*/
|
| 633 |
private int[] getColAndRow(int i, Buffer buf) { |
| 634 |
int auxRow = (int)(i / buf.getWidth()); |
| 635 |
return new int[]{ |
| 636 |
(int)buf.getHeight() - auxRow - 1, |
| 637 |
i - (auxRow * buf.getWidth()) |
| 638 |
}; |
| 639 |
} |
| 640 |
|
| 641 |
/*
|
| 642 |
* (non-Javadoc)
|
| 643 |
* @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)
|
| 644 |
*/
|
| 645 |
public Buffer getWindow(double ulx, double uly, double w, double h, |
| 646 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException { |
| 647 |
return rasterBuf;
|
| 648 |
} |
| 649 |
|
| 650 |
/*
|
| 651 |
* (non-Javadoc)
|
| 652 |
* @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)
|
| 653 |
*/
|
| 654 |
public Buffer getWindow(Extent extent, int bufWidth, int bufHeight, |
| 655 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException { |
| 656 |
NetCDFDataParameters p = (NetCDFDataParameters)param; |
| 657 |
setView(extent); |
| 658 |
|
| 659 |
Point2D ul = new Point2D.Double(viewRequest.getULX(), viewRequest.getULY()); |
| 660 |
Point2D lr = new Point2D.Double(viewRequest.getLRX(), viewRequest.getLRY()); |
| 661 |
ul = worldToRaster(ul); |
| 662 |
lr = worldToRaster(lr); |
| 663 |
ul.setLocation(ul.getX() < 0 ? 0 : ul.getX(), ul.getY() < 0 ? 0 : ul.getY()); |
| 664 |
lr.setLocation(lr.getX() < 0 ? 0 : lr.getX(), lr.getY() < 0 ? 0 : lr.getY()); |
| 665 |
ul.setLocation(ul.getX() >= getWidth() ? getWidth() - 1 : ul.getX(), ul.getY() >= getHeight() ? getHeight() - 1 : ul.getY()); |
| 666 |
lr.setLocation(lr.getX() >= getWidth() ? getWidth() - 1 : lr.getX(), lr.getY() >= getHeight() ? getHeight() - 1 : lr.getY()); |
| 667 |
|
| 668 |
adjustPoints(ul, lr); |
| 669 |
|
| 670 |
int width = Math.abs(((int)lr.getX()) - ((int)ul.getX())); |
| 671 |
int height = Math.abs(((int)lr.getY()) - ((int)ul.getY())); |
| 672 |
|
| 673 |
try {
|
| 674 |
int strideX = width / rasterBuf.getWidth();
|
| 675 |
int strideY = height / rasterBuf.getHeight();
|
| 676 |
Range rangeY = new Range((int)(getHeight() - lr.getY()), (int)(getHeight() - ul.getY() - 1), strideY <= 0 ? 1 : strideY); |
| 677 |
Range rangeX = new Range((int)ul.getX(), (int)(lr.getX() - 1), strideX <= 0 ? 1 : strideX); |
| 678 |
|
| 679 |
selectSubdataset(); |
| 680 |
int time = p.getFieldTime();
|
| 681 |
int level = getLevelValue();
|
| 682 |
GridDatatype dt = selectedGridDataType.makeSubset(null, null, null, null /*getTime(strideX), getLevel(strideX)*/, rangeY, rangeX); |
| 683 |
Array values = dt.readDataSlice(time, level, -1, -1); |
| 684 |
rasterBuf = arrayValuesToBuffer(values, rasterBuf, rangeX.length(), rangeY.length(), bandList); |
| 685 |
} catch (IOException e) { |
| 686 |
throw new RasterDriverException("Error reading a slice", e); |
| 687 |
} catch (InvalidRangeException e) {
|
| 688 |
throw new RasterDriverException("Error reading a slice", e); |
| 689 |
} |
| 690 |
|
| 691 |
return rasterBuf;
|
| 692 |
} |
| 693 |
|
| 694 |
private void adjustPoints(Point2D ul, Point2D lr) { |
| 695 |
double a = (ul.getX() - (int)ul.getX()); |
| 696 |
double b = (ul.getY() - (int)ul.getY()); |
| 697 |
ul.setLocation( (a > 0.95 || a < 0.05) ? Math.round(ul.getX()) : ul.getX(), |
| 698 |
(b > 0.95 || b < 0.05) ? Math.round(ul.getY()) : ul.getY()); |
| 699 |
lr.setLocation( (a > 0.95 || a < 0.05) ? Math.round(lr.getX()) : lr.getX(), |
| 700 |
(b > 0.95 || b < 0.05) ? Math.round(lr.getY()) : lr.getY()); |
| 701 |
} |
| 702 |
|
| 703 |
/*
|
| 704 |
* (non-Javadoc)
|
| 705 |
* @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)
|
| 706 |
*/
|
| 707 |
public Buffer getWindow(int x, int y, int w, int h, |
| 708 |
BandList bandList, Buffer rasterBuf, TaskStatus status) throws ProcessInterruptedException, RasterDriverException { |
| 709 |
try {
|
| 710 |
NetCDFDataParameters p = (NetCDFDataParameters)param; |
| 711 |
int strideX = 1; |
| 712 |
int strideY = 1; |
| 713 |
Range rangeY = new Range((int)(h - y), (int)(h - y - 1), strideY); |
| 714 |
Range rangeX = new Range((int)x, (int)(x + w - 1), strideX); |
| 715 |
|
| 716 |
selectSubdataset(); |
| 717 |
int time = p.getFieldTime();
|
| 718 |
int level = getLevelValue();
|
| 719 |
GridDatatype dt = selectedGridDataType.makeSubset(null, null, null, null, rangeY, rangeX); |
| 720 |
Array values = dt.readDataSlice(time, level, -1, -1); |
| 721 |
rasterBuf = arrayValuesToBuffer(values, rasterBuf, rangeX.length(), rangeY.length(), bandList); |
| 722 |
} catch (IOException e) { |
| 723 |
throw new RasterDriverException("Error reading a slice", e); |
| 724 |
} catch (InvalidRangeException e) {
|
| 725 |
throw new RasterDriverException("Error reading a slice", e); |
| 726 |
} |
| 727 |
|
| 728 |
return rasterBuf;
|
| 729 |
} |
| 730 |
|
| 731 |
/*
|
| 732 |
* (non-Javadoc)
|
| 733 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getBlockSize()
|
| 734 |
*/
|
| 735 |
public int getBlockSize(){ |
| 736 |
return 0; |
| 737 |
} |
| 738 |
|
| 739 |
/*
|
| 740 |
* (non-Javadoc)
|
| 741 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getColorInterpretation()
|
| 742 |
*/
|
| 743 |
public ColorInterpretation getColorInterpretation() {
|
| 744 |
if(super.getColorInterpretation() == null) { |
| 745 |
setColorInterpretation(new DataStoreColorInterpretation(new String[]{ColorInterpretation.GRAY_BAND})); |
| 746 |
} |
| 747 |
return super.getColorInterpretation(); |
| 748 |
} |
| 749 |
|
| 750 |
/*
|
| 751 |
* (non-Javadoc)
|
| 752 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getTransparency()
|
| 753 |
*/
|
| 754 |
public DataStoreTransparency getTransparency() {
|
| 755 |
if(fileTransparency == null) |
| 756 |
fileTransparency = new DataStoreTransparency();
|
| 757 |
return fileTransparency;
|
| 758 |
} |
| 759 |
|
| 760 |
/**
|
| 761 |
* Informa de si el driver ha supersampleado en el �ltimo dibujado. Es el driver el que colocar�
|
| 762 |
* el valor de esta variable cada vez que dibuja.
|
| 763 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
| 764 |
*/
|
| 765 |
public boolean isSupersampling() { |
| 766 |
return false; |
| 767 |
} |
| 768 |
|
| 769 |
/*
|
| 770 |
* (non-Javadoc)
|
| 771 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setAffineTransform(java.awt.geom.AffineTransform)
|
| 772 |
*/
|
| 773 |
public void setAffineTransform(AffineTransform t){ |
| 774 |
super.setAffineTransform(t);
|
| 775 |
} |
| 776 |
|
| 777 |
/*
|
| 778 |
* (non-Javadoc)
|
| 779 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getOverviewCount(int)
|
| 780 |
*/
|
| 781 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 782 |
if(band >= getBandCount())
|
| 783 |
throw new BandAccessException("Wrong band"); |
| 784 |
return 0; |
| 785 |
} |
| 786 |
|
| 787 |
/*
|
| 788 |
* (non-Javadoc)
|
| 789 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewWidth(int, int)
|
| 790 |
*/
|
| 791 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
| 792 |
if (band >= getBandCount())
|
| 793 |
throw new BandAccessException("Wrong band"); |
| 794 |
return 0; |
| 795 |
} |
| 796 |
|
| 797 |
/*
|
| 798 |
* (non-Javadoc)
|
| 799 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewHeight(int, int)
|
| 800 |
*/
|
| 801 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
| 802 |
if (band >= getBandCount())
|
| 803 |
throw new BandAccessException("Wrong band"); |
| 804 |
return 0; |
| 805 |
} |
| 806 |
|
| 807 |
/*
|
| 808 |
* (non-Javadoc)
|
| 809 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isOverviewsSupported()
|
| 810 |
*/
|
| 811 |
public boolean isOverviewsSupported() { |
| 812 |
return true; |
| 813 |
} |
| 814 |
|
| 815 |
/*
|
| 816 |
* (non-Javadoc)
|
| 817 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isReproyectable()
|
| 818 |
*/
|
| 819 |
public boolean isReproyectable() { |
| 820 |
return true; |
| 821 |
} |
| 822 |
|
| 823 |
/*
|
| 824 |
* (non-Javadoc)
|
| 825 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getName()
|
| 826 |
*/
|
| 827 |
public String getName() { |
| 828 |
return NAME;
|
| 829 |
} |
| 830 |
|
| 831 |
/*
|
| 832 |
* (non-Javadoc)
|
| 833 |
* @see org.gvsig.raster.impl.provider.RasterProvider#setStatus(org.gvsig.raster.impl.provider.RasterProvider)
|
| 834 |
*/
|
| 835 |
public void setStatus(RasterProvider provider) { |
| 836 |
if(provider instanceof NetCDFProvider) { |
| 837 |
//Not implemented yet
|
| 838 |
} |
| 839 |
} |
| 840 |
|
| 841 |
/*
|
| 842 |
* (non-Javadoc)
|
| 843 |
* @see org.gvsig.raster.impl.provider.RasterProvider#isTimeSupported()
|
| 844 |
*/
|
| 845 |
public boolean isTimeSupported() { |
| 846 |
return true; |
| 847 |
} |
| 848 |
|
| 849 |
/*
|
| 850 |
* (non-Javadoc)
|
| 851 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getTileServer()
|
| 852 |
*/
|
| 853 |
public TileServer getTileServer() {
|
| 854 |
if(tileServer == null) |
| 855 |
tileServer = new FileTileServer(this); |
| 856 |
return tileServer;
|
| 857 |
} |
| 858 |
} |