gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / provider / DefaultRasterProvider.java @ 162
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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.impl.provider; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.io.File; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.InvocationTargetException; |
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import java.util.Date; |
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import java.util.Iterator; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataParameters; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.coverage.RasterLibrary; |
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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.exception.RmfSerializerException; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorTable; |
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import org.gvsig.fmap.dal.coverage.store.props.Histogram; |
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import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
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import org.gvsig.fmap.dal.coverage.util.FileUtils; |
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import org.gvsig.fmap.dal.coverage.util.RasterUtils; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.raster.impl.DefaultCoverageStore; |
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import org.gvsig.fmap.dal.raster.spi.AbstractCoverageStoreProvider; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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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.datastruct.serializer.ColorTableRmfSerializer; |
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import org.gvsig.raster.impl.datastruct.serializer.NoDataRmfSerializer; |
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import org.gvsig.raster.impl.store.AbstractRasterStoreParameters; |
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import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
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import org.gvsig.raster.impl.store.properties.DataStoreHistogram; |
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import org.gvsig.raster.impl.store.properties.DataStoreMetadata; |
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import org.gvsig.raster.impl.store.properties.DataStoreStatistics; |
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import org.gvsig.raster.impl.store.rmf.ClassSerializer; |
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import org.gvsig.raster.impl.store.rmf.RmfBlocksManager; |
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import org.gvsig.raster.impl.store.serializer.ColorInterpretationRmfSerializer; |
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import org.gvsig.raster.impl.store.serializer.GeoInfoRmfSerializer; |
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import org.gvsig.raster.impl.store.serializer.ProjectionRmfSerializer; |
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import org.gvsig.raster.util.DefaultProviderServices; |
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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.extensionpoint.ExtensionPoint.Extension; |
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/**
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* Manejador de ficheros raster georeferenciados.
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*
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* Esta clase abstracta es el ancestro de todas las clases que proporcionan
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* soporte para ficheros raster georeferenciados.<br>
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* Actua tambien como una 'Fabrica', ocultando al cliente la manera en que
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* se ha implementado ese manejo. Una clase nueva que soportara un nuevo
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* tipo de raster tendr?a que registrar su extensi?n o extensiones usando
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* el m?todo @see registerExtension.<br>
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public abstract class DefaultRasterProvider extends AbstractCoverageStoreProvider implements RasterProvider { |
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/**
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* Flags que representan a las bandas visualizables
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*/
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public static final int RED_BAND = 0x01; |
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public static final int GREEN_BAND = 0x02; |
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public static final int BLUE_BAND = 0x04; |
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public static final int ALPHA_BAND = 0x08; |
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protected int bandCount = 1; |
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private int[] dataType = null; |
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protected double noData = 0; |
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protected String wktProjection = ""; |
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protected DataStoreStatistics stats = new DataStoreStatistics(this); |
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protected DataStoreHistogram histogram = null; |
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protected AbstractRasterStoreParameters param = null; |
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protected RmfBlocksManager rmfBlocksManager = null; |
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protected ColorTable colorTable = null; |
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protected DataStoreColorInterpretation colorInterpretation = null; |
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/**
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* Indica si el valor NoData esta activo
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*/
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protected boolean noDataEnabled = false; |
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protected FileUtils fileUtil = RasterLocator.getManager().getFileUtils();
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protected RasterUtils rasterUtil = RasterLocator.getManager().getRasterUtils();
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protected IProjection proj = null; |
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protected long fileSize = 0; |
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protected long bytesReaded = 0; |
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protected long lineCnt = 0; |
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protected String name; |
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/**
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* Transformaci?n creada a partir de la informaci?n de georreferencia de la
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* propia imagen. Esta informaci?n est? en la cabecera o en ficheros
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* worldfile.
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*/
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protected AffineTransform ownTransformation = null; |
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/**
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* Transformaci?n asignada de forma externa, bien desde el fichero rmf o
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* asignada directamente por el usuario.
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*/
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protected AffineTransform externalTransformation = null; |
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public DefaultRasterProvider(AbstractRasterStoreParameters params,
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DataStoreProviderServices storeServices, DynObject metadata) { |
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super(params, storeServices, metadata);
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if(params.getFileName() != null) { |
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File f = new File(params.getFileName()); |
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if(f.exists())
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setFileSize(f.length()); |
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} |
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if(params.getFileName() != null) |
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name = translateFileName(params.getFileName()); |
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ownTransformation = new AffineTransform(); |
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externalTransformation = new AffineTransform(); |
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} |
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public DefaultRasterProvider(String params) { |
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super();
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} |
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public DefaultRasterProvider() {
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super(null, null, null); |
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} |
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/**
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* Acciones de inicilizaci?n comunes a todos los drivers.
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* Este m?todo debe ser llamado explicitamente por el constructor de cada driver.
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* Estas son acciones de inicializaci?n que se ejecutan despu?s del constructor de cada driver.
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* Las acciones que hayan de ser realizadas antes se definen en el constructor de RasterDataset.
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*/
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protected void init() { |
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} |
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/*
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* (non-Javadoc)
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* @see java.lang.Object#clone()
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*/
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public RasterProvider cloneProvider() {
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try {
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DefaultRasterProvider provider = singleDatasetInstance(param); |
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// Estas van por referencia
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provider.histogram = histogram; |
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provider.stats = stats; |
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return provider;
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} catch (NotSupportedExtensionException e) {
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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return null; |
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} |
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/**
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* Factoria para abrir distintos tipos de raster.
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* @param fName Nombre del fichero.
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*
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* @return SingleDataset, o null si hay problemas.
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*/
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@SuppressWarnings("unchecked") |
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public static DefaultRasterProvider singleDatasetInstance(AbstractRasterStoreParameters param) throws NotSupportedExtensionException, RasterDriverException { |
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String idFormat = null; |
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if (param.getFileName() != null) |
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idFormat = RasterLocator.getManager().getFileUtils().getExtensionFromFileName(param.getFileName()); |
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DefaultRasterProvider grf = null;
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Class clase = null; |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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if (idFormat != null) { |
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ExtensionPoint point = extensionPoints.get("RasterReader");
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Extension ext = point.get(idFormat); |
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if (ext != null) |
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clase = ext.getExtension(); |
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} |
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if (clase == null) { |
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ExtensionPoint pointDefaultReader = extensionPoints.get("DefaultDriver");
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Extension extReader = pointDefaultReader.get("reader");
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clase = extReader.getExtension(); |
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} |
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Class [] args = {param.getClass(), DefaultCoverageStore.class}; |
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try {
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Constructor hazNuevo = clase.getConstructor(args);
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Object [] args2 = {param, null}; |
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grf = (DefaultRasterProvider) hazNuevo.newInstance(args2); |
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} catch (SecurityException e) { |
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throw new RasterDriverException("Error SecurityException in open", e); |
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} catch (NoSuchMethodException e) { |
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throw new RasterDriverException("Error NoSuchMethodException in open", e); |
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} catch (IllegalArgumentException e) { |
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throw new RasterDriverException("Error IllegalArgumentException in open", e); |
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} catch (InstantiationException e) { |
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throw new RasterDriverException("Error InstantiationException in open", e); |
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} catch (IllegalAccessException e) { |
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throw new RasterDriverException("Error IllegalAccessException in open", e); |
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} catch (InvocationTargetException e) { |
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throw new NotSupportedExtensionException("Error opening this image with " + clase, e); |
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} |
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return grf;
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} |
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/**
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* Factoria para abrir distintos tipos de raster.
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* @param fName Nombre del fichero.
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*
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* @return SingleDataset, o null si hay problemas.
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*/
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@SuppressWarnings("unchecked") |
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public static DefaultRasterProvider singleDatasetInstance(String param) throws NotSupportedExtensionException, RasterDriverException { |
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String idFormat = null; |
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if (param instanceof String) |
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idFormat = RasterLocator.getManager().getFileUtils().getExtensionFromFileName(((String) param));
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DefaultRasterProvider grf = null;
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Class clase = null; |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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if (idFormat != null) { |
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ExtensionPoint point = extensionPoints.get("RasterReader");
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Extension ext = point.get(idFormat); |
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if (ext != null) |
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clase = ext.getExtension(); |
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} |
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if (clase == null) { |
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ExtensionPoint pointDefaultReader = extensionPoints.get("DefaultDriver");
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Extension extReader = pointDefaultReader.get("reader");
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clase = extReader.getExtension(); |
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} |
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Class [] args = {String.class}; |
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try {
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Constructor hazNuevo = clase.getConstructor(args);
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Object [] args2 = {param}; |
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grf = (DefaultRasterProvider) hazNuevo.newInstance(args2); |
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} catch (SecurityException e) { |
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throw new RasterDriverException("Error SecurityException in open", e); |
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} catch (NoSuchMethodException e) { |
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throw new RasterDriverException("Error NoSuchMethodException in open", e); |
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} catch (IllegalArgumentException e) { |
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throw new RasterDriverException("Error IllegalArgumentException in open", e); |
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} catch (InstantiationException e) { |
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throw new RasterDriverException("Error InstantiationException in open", e); |
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} catch (IllegalAccessException e) { |
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throw new RasterDriverException("Error IllegalAccessException in open", e); |
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} catch (InvocationTargetException e) { |
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throw new NotSupportedExtensionException("Error opening this image with " + clase, e); |
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} |
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return grf;
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} |
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/**
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* Carga un fichero raster. Puede usarse para calcular el extent e instanciar
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* un objeto de este tipo.
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*/
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abstract public RasterProvider load(); |
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/**
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* Cierra el fichero y libera los recursos.
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*/
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abstract public void close(); |
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/**
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* Obtiene el ancho de la imagen
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* @return Ancho de la imagen
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*/
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abstract public double getWidth(); |
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/**
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* Obtiene el ancho de la imagen
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* @return Ancho de la imagen
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*/
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abstract public double getHeight(); |
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/**
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* Asigna un nuevo Extent
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* @param e Extent
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*/
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public abstract void setView(Extent e); |
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/**
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* Obtiene el extent asignado
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* @return Extent
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*/
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public abstract Extent getView(); |
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/**
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* Obtiene el valor del raster en la coordenada que se le pasa.
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* El valor ser? Double, Int, Byte, etc. dependiendo del tipo de
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* raster.
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* @param x coordenada X
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* @param y coordenada Y
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* @return
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*/
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abstract public Object getData(int x, int y, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException; |
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/**
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* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
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* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
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* pixeles de disco.
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* @param ulx Posici?n X superior izquierda
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* @param uly Posici?n Y superior izquierda
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* @param lrx Posici?n X inferior derecha
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* @param lry Posici?n Y inferior derecha
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* @param rasterBuf Buffer de datos
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* @param bandList
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* @return Buffer de datos
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*/
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abstract public Buffer getWindowRaster(double ulx, double uly, double lrx, double lry, BandList bandList, Buffer rasterBuf)throws ProcessInterruptedException, RasterDriverException; |
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/**
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* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
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* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
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* pixeles de disco.
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* @param x Posici?n X superior izquierda
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* @param y Posici?n Y superior izquierda
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* @param w Ancho en coordenadas reales
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* @param h Alto en coordenadas reales
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* @param rasterBuf Buffer de datos
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* @param bandList
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* @param adjustToExtent Flag que dice si el extent solicitado debe ajustarse al extent del raster o no.
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* @return Buffer de datos
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*/
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abstract public Buffer getWindowRaster(double x, double y, double w, double h, BandList bandList, Buffer rasterBuf, boolean adjustToExtent)throws ProcessInterruptedException, RasterDriverException; |
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|
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/**
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* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
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* Se aplica supersampleo o subsampleo dependiendo del tama?o del buffer especificado.
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*
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* @param minX Posici?n m?nima X superior izquierda
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* @param minY Posici?n m?nima Y superior izquierda
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* @param maxX Posici?n m?xima X inferior derecha
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* @param maxY Posici?n m?xima Y inferior derecha
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* @param bufWidth Ancho del buffer de datos
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* @param bufHeight Alto del buffer de datos
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* @param rasterBuf Buffer de datos
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* @param adjustToExtent Flag que dice si el extent solicitado debe ajustarse al extent del raster o no.
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* @param bandList
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* @return Buffer de datos
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*/
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abstract public Buffer getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf, boolean adjustToExtent)throws ProcessInterruptedException, RasterDriverException; |
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|
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/**
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* Obtiene una ventana de datos de la imagen a partir de coordenadas pixel.
|
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* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
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* pixeles de disco.
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* @param x Posici?n X superior izquierda
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* @param y Posici?n Y superior izquierda
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* @param w Ancho en coordenadas reales
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* @param h Alto en coordenadas reales
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* @param rasterBuf Buffer de datos
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* @param bandList
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* @return Buffer de datos
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*/
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abstract public Buffer getWindowRaster(int x, int y, int w, int h, BandList bandList, Buffer rasterBuf)throws ProcessInterruptedException, RasterDriverException; |
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|
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/**
|
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* Obtiene una ventana de datos de la imagen a partir de coordenadas pixel.
|
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* Se aplica supersampleo o subsampleo dependiendo del tama?o del buffer especificado.
|
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*
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* @param x Posici?n X superior izquierda
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* @param y Posici?n Y superior izquierda
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* @param w Ancho en coordenadas reales
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* @param h Alto en coordenadas reales
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* @param bufWidth Ancho del buffer de datos
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* @param bufHeight Alto del buffer de datos
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* @param rasterBuf Buffer de datos
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* @param bandList
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* @return Buffer de datos
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*/
|
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abstract public Buffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf)throws ProcessInterruptedException, RasterDriverException; |
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|
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abstract public int getBlockSize(); |
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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#getOverviewHeight(int, int)
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*/
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abstract public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException; |
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|
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/**
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* Informa de si el dataset soporta overviews o no.
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* @return true si soporta overviews y false si no las soporta.
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*/
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abstract public boolean overviewsSupport(); |
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|
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/**
|
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* Lee una l?nea completa del raster y devuelve un array del tipo correcto. Esta funci?n es util
|
437 |
* para una lectura rapida de todo el fichero sin necesidad de asignar vista.
|
438 |
* @param nLine N?mero de l?nea a leer
|
439 |
* @param band Banda requerida
|
440 |
* @return Object que es un array unidimendional del tipo de datos del raster
|
441 |
* @throws InvalidSetViewException
|
442 |
* @throws FileNotOpenException
|
443 |
* @throws RasterDriverException
|
444 |
*/
|
445 |
abstract public Object readCompleteLine(int line, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException; |
446 |
|
447 |
/**
|
448 |
* Lee un bloque completo de datos del raster y devuelve un array tridimensional del tipo correcto. Esta funci?n es util
|
449 |
* para una lectura rapida de todo el fichero sin necesidad de asignar vista.
|
450 |
* @param pos Posici?n donde se empieza a leer
|
451 |
* @param blockHeight Altura m?xima del bloque leido
|
452 |
* @return Object que es un array tridimendional del tipo de datos del raster. (Bandas X Filas X Columnas)
|
453 |
* @throws InvalidSetViewException
|
454 |
* @throws FileNotOpenException
|
455 |
* @throws RasterDriverException
|
456 |
*/
|
457 |
abstract public Object readBlock(int pos, int blockHeight) |
458 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException;
|
459 |
|
460 |
/**
|
461 |
* Carga metadatos desde el fichero Rmf si estos existen
|
462 |
* @param fName Nombre del fichero
|
463 |
* @throws ParsingException
|
464 |
*/
|
465 |
protected void loadFromRmf(RmfBlocksManager manager) throws ParsingException { |
466 |
if (!manager.checkRmf())
|
467 |
return;
|
468 |
|
469 |
if (!new File(manager.getPath()).exists()) |
470 |
return;
|
471 |
|
472 |
GeoInfoRmfSerializer geoInfoSerializer = new GeoInfoRmfSerializer(this); |
473 |
ColorTableRmfSerializer colorTableSerializer = new ColorTableRmfSerializer();
|
474 |
NoDataRmfSerializer noDataSerializer = new NoDataRmfSerializer(new DefaultNoData(noData, RasterLibrary.NODATATYPE_LAYER)); |
475 |
ColorInterpretationRmfSerializer colorInterpSerializer = new ColorInterpretationRmfSerializer();
|
476 |
ProjectionRmfSerializer projectionRmfSerializer = new ProjectionRmfSerializer();
|
477 |
|
478 |
manager.addClient(geoInfoSerializer); |
479 |
manager.addClient(colorTableSerializer); |
480 |
manager.addClient(noDataSerializer); |
481 |
manager.addClient(colorInterpSerializer); |
482 |
manager.addClient(projectionRmfSerializer); |
483 |
|
484 |
manager.read(null);
|
485 |
|
486 |
manager.removeAllClients(); |
487 |
|
488 |
if (colorTableSerializer.getResult() != null) |
489 |
setColorTable((ColorTable) colorTableSerializer.getResult()); |
490 |
|
491 |
if (noDataSerializer.getResult() != null) { |
492 |
noData = ((DefaultNoData) noDataSerializer.getResult()).getValue(); |
493 |
noDataEnabled = (((DefaultNoData) noDataSerializer.getResult()).getType() != RasterLibrary.NODATATYPE_DISABLED); |
494 |
} |
495 |
|
496 |
if (colorInterpSerializer.getResult() != null) { |
497 |
DataStoreColorInterpretation ci = (DataStoreColorInterpretation) colorInterpSerializer.getResult(); |
498 |
setColorInterpretation(ci); |
499 |
if (ci.getBand(DataStoreColorInterpretation.ALPHA_BAND) != -1) |
500 |
getTransparency().setTransparencyBand(ci.getBand(DataStoreColorInterpretation.ALPHA_BAND)); |
501 |
} |
502 |
|
503 |
if (projectionRmfSerializer.getResult() != null) |
504 |
wktProjection = RasterLocator.getManager().getCRSUtils().convertIProjectionToWkt((IProjection) projectionRmfSerializer.getResult()); |
505 |
} |
506 |
|
507 |
/**
|
508 |
* Obtiene el n?nero de bandas del fichero
|
509 |
* @return Entero que representa el n?mero de bandas
|
510 |
*/
|
511 |
public int getBandCount() { |
512 |
return bandCount;
|
513 |
} |
514 |
|
515 |
/**
|
516 |
* @return Returns the dataType.
|
517 |
*/
|
518 |
public int[] getDataType() { |
519 |
return dataType;
|
520 |
} |
521 |
|
522 |
/**
|
523 |
* @param dataType The dataType to set.
|
524 |
*/
|
525 |
public void setDataType(int[] dataType) { |
526 |
this.dataType = dataType;
|
527 |
} |
528 |
|
529 |
/*
|
530 |
* (non-Javadoc)
|
531 |
* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getPixelSizeX()
|
532 |
*/
|
533 |
public double getPixelSizeX() { |
534 |
return externalTransformation.getScaleX();
|
535 |
} |
536 |
|
537 |
/*
|
538 |
* (non-Javadoc)
|
539 |
* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getPixelSizeY()
|
540 |
*/
|
541 |
public double getPixelSizeY() { |
542 |
return externalTransformation.getScaleY();
|
543 |
} |
544 |
|
545 |
/**
|
546 |
* Obtiene el valor NoData asociado al raster. Si hay un valor en el fichero
|
547 |
* RMF se devuelve este, sino se buscar? en la cabecera del raster o metadatos de
|
548 |
* este. Si finalmente no encuentra ninguno se devuelve el valor por defecto
|
549 |
* definido en la libreria.
|
550 |
* @return
|
551 |
*/
|
552 |
public double getNoDataValue() { |
553 |
return noData;
|
554 |
} |
555 |
|
556 |
/**
|
557 |
* Pone el valor original de noData. Primero lo consulta del valor del metadata
|
558 |
* y luego del RMF.
|
559 |
*/
|
560 |
public void resetNoDataValue() { |
561 |
/**
|
562 |
* Intentamos recuperar el valor del metadatas, en caso de no encontrarlo le
|
563 |
* asignamos el noData por defecto
|
564 |
*/
|
565 |
noDataEnabled = false;
|
566 |
do {
|
567 |
if (getMetadata() == null) { |
568 |
noData = RasterLibrary.defaultNoDataValue; |
569 |
break;
|
570 |
} |
571 |
|
572 |
if (getMetadata().getNoDataValue().length == 0) { |
573 |
noData = RasterLibrary.defaultNoDataValue; |
574 |
break;
|
575 |
} |
576 |
|
577 |
noData = getMetadata().getNoDataValue()[0];
|
578 |
noDataEnabled = getMetadata().isNoDataEnabled(); |
579 |
} while (false); |
580 |
|
581 |
try {
|
582 |
DefaultNoData noDataObject = (DefaultNoData) loadObjectFromRmf(DefaultNoData.class, null);
|
583 |
if (noDataObject != null) { |
584 |
if (noDataObject.getType() > 0) |
585 |
noData = noDataObject.getValue(); |
586 |
noDataEnabled = (noDataObject.getType() > 0);
|
587 |
} |
588 |
} catch (RmfSerializerException e) {
|
589 |
} |
590 |
} |
591 |
|
592 |
/**
|
593 |
* Establece el valor del NoData
|
594 |
* @param value
|
595 |
*/
|
596 |
public void setNoDataValue(double value) { |
597 |
noData = value; |
598 |
noDataEnabled = true;
|
599 |
} |
600 |
|
601 |
/**
|
602 |
* Dice si el fichero tiene georreferenciaci?n o no.
|
603 |
* @return true si tiene georreferenciaci?n y false si no la tiene
|
604 |
*/
|
605 |
public boolean isGeoreferenced(){ |
606 |
return true; |
607 |
} |
608 |
|
609 |
/**
|
610 |
* Dado unas coordenadas reales, un tama?o de buffer y un tama?o de raster.
|
611 |
* Si el buffer es de mayor tama?o que el raster (supersampleo) quiere decir que
|
612 |
* por cada pixel de buffer se repiten varios del raster. Esta funci?n calcula el
|
613 |
* n?mero de pixels de desplazamiento en X e Y que corresponden al primer pixel del
|
614 |
* buffer en la esquina superior izquierda. Esto es necesario porque la coordenada
|
615 |
* solicitada es real y puede no caer sobre un pixel completo. Este calculo es
|
616 |
* util cuando un cliente quiere supersamplear sobre un buffer y que no se lo haga
|
617 |
* el driver autom?ticamente.
|
618 |
* @param dWorldTLX Coordenada real X superior izquierda
|
619 |
* @param dWorldTLY Coordenada real Y superior izquierda
|
620 |
* @param dWorldBRX Coordenada real X inferior derecha
|
621 |
* @param dWorldBRY Coordenada real Y inferior derecha
|
622 |
* @param nWidth Ancho del raster
|
623 |
* @param nHeight Alto del raster
|
624 |
* @param bufWidth Ancho del buffer
|
625 |
* @param bufHeight Alto del buffer
|
626 |
* @return Array de dos elementos con el desplazamiento en X e Y.
|
627 |
*/
|
628 |
public double[] calcSteps(double dWorldTLX, double dWorldTLY, double dWorldBRX, double dWorldBRY, |
629 |
double nWidth, double nHeight, int bufWidth, int bufHeight) { |
630 |
|
631 |
Point2D p1 = new Point2D.Double(dWorldTLX, dWorldTLY); |
632 |
Point2D p2 = new Point2D.Double(dWorldBRX, dWorldBRY); |
633 |
|
634 |
Point2D tl = worldToRaster(new Point2D.Double(p1.getX(), p1.getY())); |
635 |
Point2D br = worldToRaster(new Point2D.Double(p2.getX(), p2.getY())); |
636 |
|
637 |
double wPx = (bufWidth / Math.abs(br.getX() - tl.getX())); |
638 |
double hPx = (bufHeight / Math.abs(br.getY() - tl.getY())); |
639 |
|
640 |
int x = (int)((tl.getX() > br.getX()) ? Math.floor(br.getX()) : Math.floor(tl.getX())); |
641 |
int y = (int)((tl.getY() > br.getY()) ? Math.floor(br.getY()) : Math.floor(tl.getY())); |
642 |
|
643 |
double a = (tl.getX() > br.getX()) ? (Math.abs(br.getX() - x)) : (Math.abs(tl.getX() - x)); |
644 |
double b = (tl.getY() > br.getY()) ? (Math.abs(br.getY() - y)) : (Math.abs(tl.getY() - y)); |
645 |
|
646 |
double stpX = (int)((a * bufWidth) / Math.abs(br.getX() - tl.getX())); |
647 |
double stpY = (int)((b * bufHeight) / Math.abs(br.getY() - tl.getY())); |
648 |
|
649 |
return new double[]{stpX, stpY, wPx, hPx}; |
650 |
} |
651 |
|
652 |
/**
|
653 |
* Convierte un punto desde coordenadas pixel a coordenadas del mundo.
|
654 |
* @param pt Punto a transformar
|
655 |
* @return punto transformado en coordenadas del mundo
|
656 |
*/
|
657 |
public Point2D rasterToWorld(Point2D pt) { |
658 |
Point2D p = new Point2D.Double(); |
659 |
externalTransformation.transform(pt, p); |
660 |
return p;
|
661 |
} |
662 |
|
663 |
/**
|
664 |
* Convierte un punto desde del mundo a coordenadas pixel.
|
665 |
* @param pt Punto a transformar
|
666 |
* @return punto transformado en coordenadas pixel
|
667 |
*/
|
668 |
public Point2D worldToRaster(Point2D pt) { |
669 |
Point2D p = new Point2D.Double(); |
670 |
try {
|
671 |
externalTransformation.inverseTransform(pt, p); |
672 |
} catch (NoninvertibleTransformException e) { |
673 |
return pt;
|
674 |
} |
675 |
return p;
|
676 |
} |
677 |
|
678 |
/**
|
679 |
* Calcula el extent en coordenadas del mundo real
|
680 |
* @return Extent
|
681 |
*/
|
682 |
public Extent getExtent() {
|
683 |
return new ExtentImpl( rasterToWorld(new Point2D.Double(0, 0)), |
684 |
rasterToWorld(new Point2D.Double(getWidth(), getHeight())), |
685 |
rasterToWorld(new Point2D.Double(getWidth(), 0)), |
686 |
rasterToWorld(new Point2D.Double(0, getHeight()))); |
687 |
} |
688 |
|
689 |
/**
|
690 |
* Calcula el extent en coordenadas del mundo real sin rotaci?n. Solo coordenadas y tama?o de pixel
|
691 |
* @return Extent
|
692 |
*/
|
693 |
public Extent getExtentWithoutRot() {
|
694 |
AffineTransform at = new AffineTransform( externalTransformation.getScaleX(), 0, |
695 |
0, externalTransformation.getScaleY(),
|
696 |
externalTransformation.getTranslateX(), externalTransformation.getTranslateY()); |
697 |
Point2D p1 = new Point2D.Double(0, 0); |
698 |
Point2D p2 = new Point2D.Double(getWidth(), getHeight()); |
699 |
at.transform(p1, p1); |
700 |
at.transform(p2, p2); |
701 |
return new ExtentImpl(p1, p2); |
702 |
} |
703 |
|
704 |
/**
|
705 |
* ASigna el par?metro de inicializaci?n del driver.
|
706 |
*/
|
707 |
public void setParam(AbstractRasterStoreParameters param) { |
708 |
this.name = param.getFileName();
|
709 |
this.param = param;
|
710 |
} |
711 |
|
712 |
/*
|
713 |
* (non-Javadoc)
|
714 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getOverviewWidth(int, int)
|
715 |
*/
|
716 |
abstract public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException; |
717 |
|
718 |
/**
|
719 |
* Obtiene el gestor de ficheros RMF
|
720 |
* @return RmfBloksManager
|
721 |
*/
|
722 |
public RmfBlocksManager getRmfBlocksManager() {
|
723 |
if (rmfBlocksManager == null) { |
724 |
String fileRMF = fileUtil.getNameWithoutExtension(getFName()) + ".rmf"; |
725 |
rmfBlocksManager = new RmfBlocksManager(fileRMF);
|
726 |
} |
727 |
return rmfBlocksManager;
|
728 |
} |
729 |
|
730 |
/*
|
731 |
* (non-Javadoc)
|
732 |
* @see org.gvsig.raster.impl.provider.RasterProvider#isInside(java.awt.geom.Point2D)
|
733 |
*/
|
734 |
public boolean isInside(Point2D p){ |
735 |
//Realizamos los calculos solo si el punto est? dentro del extent de la imagen rotada, as? nos ahorramos los calculos
|
736 |
//cuando el puntero est? fuera
|
737 |
|
738 |
Point2D pt = new Point2D.Double(); |
739 |
try {
|
740 |
|
741 |
getAffineTransform().inverseTransform(p, pt); |
742 |
if( pt.getX() >= 0 && pt.getX() < getWidth() && |
743 |
pt.getY() >= 0 && pt.getY() < getHeight())
|
744 |
return true; |
745 |
} catch (NoninvertibleTransformException e) { |
746 |
return false; |
747 |
} |
748 |
|
749 |
return false; |
750 |
} |
751 |
|
752 |
/**
|
753 |
* Consulta de si un raster tiene rotaci?n o no.
|
754 |
* @return true si tiene rotaci?n y false si no la tiene.
|
755 |
*/
|
756 |
public boolean isRotated() { |
757 |
if(externalTransformation.getShearX() != 0 || externalTransformation.getShearY() != 0) |
758 |
return true; |
759 |
return false; |
760 |
} |
761 |
|
762 |
/**
|
763 |
* Devuelve si el RasterDataSet tiene el valor noData activo
|
764 |
* @return the noDataEnabled
|
765 |
*/
|
766 |
public boolean isNoDataEnabled() { |
767 |
return noDataEnabled;
|
768 |
} |
769 |
|
770 |
/**
|
771 |
* Define si el RasterDataSet tiene el valor noData activo
|
772 |
* @param noDataEnabled the noDataEnabled to set
|
773 |
*/
|
774 |
public void setNoDataEnabled(boolean noDataEnabled) { |
775 |
this.noDataEnabled = noDataEnabled;
|
776 |
} |
777 |
|
778 |
/**
|
779 |
* Devuelve si el Dataset es reproyectable
|
780 |
* @return
|
781 |
*/
|
782 |
public boolean isReproyectable() { |
783 |
return false; |
784 |
} |
785 |
|
786 |
public String getWktProjection() { |
787 |
return wktProjection;
|
788 |
} |
789 |
|
790 |
/*
|
791 |
* (non-Javadoc)
|
792 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#saveObjectToRmf(java.lang.Class, java.lang.Object)
|
793 |
*/
|
794 |
@SuppressWarnings("unchecked") |
795 |
public void saveObjectToRmf(Class class1, Object value) throws RmfSerializerException { |
796 |
((DefaultProviderServices)RasterLocator.getManager().getProviderServices()).saveObjectToRmfFile(getRmfBlocksManager(), class1, value); |
797 |
} |
798 |
|
799 |
/**
|
800 |
* Carga un objecto desde un serializador del tipo class1. Usa value para iniciar dicho
|
801 |
* serializador
|
802 |
*
|
803 |
* @param class1
|
804 |
* @param value
|
805 |
* @return
|
806 |
* @throws RmfSerializerException
|
807 |
*/
|
808 |
@SuppressWarnings("unchecked") |
809 |
private static Object loadObjectFromRmfFile(RmfBlocksManager blocksManager, Class class1, Object value) throws RmfSerializerException { |
810 |
ClassSerializer serializerObject = ((DefaultProviderServices)RasterLocator.getManager().getProviderServices()).getSerializerObject(class1, value); |
811 |
|
812 |
if (serializerObject == null) |
813 |
throw new RmfSerializerException("No se ha podido encontrar el serializador para el Rmf"); |
814 |
|
815 |
if (!blocksManager.checkRmf())
|
816 |
throw new RmfSerializerException("Error al comprobar el fichero Rmf"); |
817 |
|
818 |
blocksManager.addClient(serializerObject); |
819 |
try {
|
820 |
blocksManager.read(null);
|
821 |
} catch (ParsingException e) {
|
822 |
throw new RmfSerializerException("Error al leer el fichero Rmf", e); |
823 |
} |
824 |
blocksManager.removeAllClients(); |
825 |
|
826 |
return serializerObject.getResult();
|
827 |
} |
828 |
|
829 |
/*
|
830 |
* (non-Javadoc)
|
831 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#loadObjectFromRmf(java.lang.Class, java.lang.Object)
|
832 |
*/
|
833 |
@SuppressWarnings("unchecked") |
834 |
public Object loadObjectFromRmf(Class class1, Object value) throws RmfSerializerException { |
835 |
return loadObjectFromRmfFile(getRmfBlocksManager(), class1, value);
|
836 |
} |
837 |
|
838 |
/**
|
839 |
* Carga un objeto del fichero RMF especificado por parametro
|
840 |
* @param file
|
841 |
* @param class1
|
842 |
* @param value
|
843 |
* @return
|
844 |
* @throws RmfSerializerException
|
845 |
*/
|
846 |
@SuppressWarnings("unchecked") |
847 |
public static Object loadObjectFromRmfFile(String file, Class class1, Object value) throws RmfSerializerException { |
848 |
String fileRMF = RasterLocator.getManager().getFileUtils().getNameWithoutExtension(file) + ".rmf"; |
849 |
RmfBlocksManager blocksManager = new RmfBlocksManager(fileRMF);
|
850 |
return loadObjectFromRmfFile(blocksManager, class1, value);
|
851 |
} |
852 |
|
853 |
/**
|
854 |
* Guarda en el RMF el objecto actual en caso de que exista un serializador para el
|
855 |
* @param value
|
856 |
* @throws RmfSerializerException
|
857 |
*/
|
858 |
public void saveObjectToRmf(Object value) throws RmfSerializerException { |
859 |
saveObjectToRmf(value.getClass(), value); |
860 |
} |
861 |
|
862 |
/**
|
863 |
* Carga un objecto desde un serializador usando el tipo del mismo objeto pasado por parametro.
|
864 |
* Usa value para iniciar dicho serializador
|
865 |
* @param value
|
866 |
* @return
|
867 |
* @throws RmfSerializerException
|
868 |
*/
|
869 |
public Object loadObjectFromRmf(Object value) throws RmfSerializerException { |
870 |
return loadObjectFromRmf(value.getClass(), value);
|
871 |
} |
872 |
|
873 |
/*
|
874 |
* (non-Javadoc)
|
875 |
* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getDatasetCount()
|
876 |
*/
|
877 |
public int getDatasetCount() { |
878 |
return 1; |
879 |
} |
880 |
|
881 |
|
882 |
public double getCellSize() { |
883 |
try {
|
884 |
Extent e = getExtent(); |
885 |
double dCellsize = (e.getMax().getX() - e.getMin().getX() ) / getWidth();
|
886 |
return dCellsize;
|
887 |
} catch (NullPointerException e) { |
888 |
return 1; |
889 |
} |
890 |
} |
891 |
|
892 |
|
893 |
public RasterProvider newProvider() {
|
894 |
return null; |
895 |
} |
896 |
|
897 |
/*
|
898 |
* (non-Javadoc)
|
899 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getColorTable()
|
900 |
*/
|
901 |
public ColorTable getColorTable() {
|
902 |
return colorTable;
|
903 |
} |
904 |
|
905 |
/**
|
906 |
* Define el objeto paleta. Si se define null quiere decir que no tiene paleta
|
907 |
* para su visualizaci?n.
|
908 |
* @param value
|
909 |
*/
|
910 |
public void setColorTable(ColorTable value) { |
911 |
colorTable = value; |
912 |
} |
913 |
|
914 |
/*
|
915 |
* (non-Javadoc)
|
916 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getTransparency()
|
917 |
*/
|
918 |
public Transparency getTransparency() { |
919 |
return null; |
920 |
} |
921 |
|
922 |
/*
|
923 |
* (non-Javadoc)
|
924 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getMetadata()
|
925 |
*/
|
926 |
public DataStoreMetadata getMetadata() {
|
927 |
return null; |
928 |
} |
929 |
|
930 |
/*
|
931 |
* (non-Javadoc)
|
932 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getColorInterpretation()
|
933 |
*/
|
934 |
public ColorInterpretation getColorInterpretation(){
|
935 |
return colorInterpretation;
|
936 |
} |
937 |
|
938 |
/**
|
939 |
* Asigna el objeto que contiene que contiene la interpretaci?n de
|
940 |
* color por banda
|
941 |
* @param DataStoreColorInterpretation
|
942 |
*/
|
943 |
public void setColorInterpretation(DataStoreColorInterpretation colorInterpretation){ |
944 |
this.colorInterpretation = colorInterpretation;
|
945 |
} |
946 |
|
947 |
/*
|
948 |
* (non-Javadoc)
|
949 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getStatistics()
|
950 |
*/
|
951 |
public DataStoreStatistics getStatistics() {
|
952 |
return stats;
|
953 |
} |
954 |
|
955 |
/*
|
956 |
* (non-Javadoc)
|
957 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getHistogram()
|
958 |
*/
|
959 |
public Histogram getHistogram() {
|
960 |
if (histogram == null) |
961 |
histogram = new DataStoreHistogram(this); |
962 |
return histogram;
|
963 |
} |
964 |
|
965 |
//****************************************************
|
966 |
//*********Implementing Disposable methods************
|
967 |
//****************************************************
|
968 |
|
969 |
/*
|
970 |
* (non-Javadoc)
|
971 |
* @see org.gvsig.tools.dispose.impl.AbstractDisposable#doDispose()
|
972 |
*/
|
973 |
public void doDispose() { |
974 |
|
975 |
} |
976 |
|
977 |
//****************************************************
|
978 |
//*****Implementing DataStoreProvider methods*********
|
979 |
//****************************************************
|
980 |
|
981 |
/**
|
982 |
* Gets the specific parameter. All of them inherit from RasterStoreParameters
|
983 |
*/
|
984 |
//public abstract RasterStoreParameters getRasterParameters();
|
985 |
|
986 |
@SuppressWarnings("deprecation") |
987 |
@Override
|
988 |
public DataServerExplorer getExplorer() throws ReadException, |
989 |
ValidateDataParametersException { |
990 |
DataManager manager = DALLocator.getDataManager(); |
991 |
FilesystemServerExplorerParameters params; |
992 |
try {
|
993 |
params = (FilesystemServerExplorerParameters) manager |
994 |
.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
995 |
params.setRoot(((AbstractRasterStoreParameters)this.getDataParameters()).getFile().getParent());
|
996 |
return manager.createServerExplorer(params);
|
997 |
} catch (DataException e) {
|
998 |
throw new ReadException(this.getName(), e); |
999 |
} |
1000 |
} |
1001 |
|
1002 |
|
1003 |
/**
|
1004 |
* Returs the DataParameters
|
1005 |
* @return
|
1006 |
*/
|
1007 |
public DataParameters getDataParameters() {
|
1008 |
return getDataStoreParameters();
|
1009 |
} |
1010 |
|
1011 |
/*
|
1012 |
* (non-Javadoc)
|
1013 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getChilds()
|
1014 |
*/
|
1015 |
@SuppressWarnings("unchecked") |
1016 |
public Iterator getChilds() { |
1017 |
return null; |
1018 |
} |
1019 |
|
1020 |
/*
|
1021 |
* (non-Javadoc)
|
1022 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getResource()
|
1023 |
*/
|
1024 |
public ResourceProvider getResource() {
|
1025 |
return null; |
1026 |
} |
1027 |
|
1028 |
/*
|
1029 |
* (non-Javadoc)
|
1030 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getSourceId()
|
1031 |
*/
|
1032 |
public Object getSourceId() { |
1033 |
return ((AbstractRasterStoreParameters)this.getDataParameters()).getFile(); |
1034 |
} |
1035 |
|
1036 |
/*
|
1037 |
* (non-Javadoc)
|
1038 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#open()
|
1039 |
*/
|
1040 |
public void open() throws OpenException { |
1041 |
} |
1042 |
|
1043 |
/**
|
1044 |
* Traduce el nombre del fichero por un alias asignado por el propio driver.
|
1045 |
* Cuando es traducido por un alias el driver intentar? abrir el alias y no el
|
1046 |
* fichero. Esto es util porque algunos formatos tienen la extensi?n en el
|
1047 |
* fichero de cabecera pero lo que se abre realmente es el fichero de datos.
|
1048 |
* @param fileName
|
1049 |
* @return
|
1050 |
*/
|
1051 |
public String translateFileName(String fileName) { |
1052 |
return fileName;
|
1053 |
} |
1054 |
|
1055 |
public String getFName() { |
1056 |
return name;
|
1057 |
} |
1058 |
|
1059 |
public void setFName(String n) { |
1060 |
name = n; |
1061 |
} |
1062 |
|
1063 |
public long getFileSize() { |
1064 |
return fileSize;
|
1065 |
} |
1066 |
|
1067 |
public void setFileSize(long sz) { |
1068 |
fileSize = sz; |
1069 |
} |
1070 |
|
1071 |
/*
|
1072 |
* (non-Javadoc)
|
1073 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getProjection()
|
1074 |
*/
|
1075 |
public IProjection getProjection() {
|
1076 |
return proj;
|
1077 |
} |
1078 |
|
1079 |
public void setProjection(IProjection p) { |
1080 |
proj = p; |
1081 |
} |
1082 |
|
1083 |
protected long getTime() { |
1084 |
return (new Date()).getTime(); |
1085 |
} |
1086 |
|
1087 |
/*
|
1088 |
* (non-Javadoc)
|
1089 |
* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#setAffineTransform(java.awt.geom.AffineTransform)
|
1090 |
*/
|
1091 |
public void setAffineTransform(AffineTransform t) { |
1092 |
externalTransformation = (AffineTransform) t.clone();
|
1093 |
} |
1094 |
|
1095 |
/*
|
1096 |
* (non-Javadoc)
|
1097 |
* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getAffineTransform()
|
1098 |
*/
|
1099 |
public AffineTransform getAffineTransform() { |
1100 |
return externalTransformation;
|
1101 |
} |
1102 |
|
1103 |
/**
|
1104 |
* Elimina la matriz de transformaci?n asociada al raster y que se tiene en
|
1105 |
* cuenta para el setView. Este reseteo tendr? en cuenta que si el raster
|
1106 |
* tiene asociado un rmf esta transformaci?n no ser? eliminada sino que se
|
1107 |
* asignar? la correspondiente al rmf existente.
|
1108 |
* @return devuelve true si tiene fichero rmf asociado y false si no lo tiene.
|
1109 |
*/
|
1110 |
public void resetAffineTransform() { |
1111 |
externalTransformation.setToIdentity(); |
1112 |
} |
1113 |
|
1114 |
/*
|
1115 |
* (non-Javadoc)
|
1116 |
* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getOwnAffineTransform()
|
1117 |
*/
|
1118 |
public AffineTransform getOwnAffineTransform() { |
1119 |
return ownTransformation;
|
1120 |
} |
1121 |
} |