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 @ 149
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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.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.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.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.GeoInfo; |
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import org.gvsig.raster.impl.store.properties.DatasetColorInterpretation; |
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import org.gvsig.raster.impl.store.properties.DatasetHistogram; |
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import org.gvsig.raster.impl.store.properties.DatasetMetadata; |
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import org.gvsig.raster.impl.store.properties.DatasetStatistics; |
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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 GeoInfo { |
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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 DatasetStatistics stats = new DatasetStatistics(this); |
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protected DatasetHistogram 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 DatasetColorInterpretation 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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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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} |
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public DefaultRasterProvider(String params) { |
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super(params);
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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 GeoInfo 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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* Carga metadatos desde el fichero Rmf si estos existen
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* @param fName Nombre del fichero
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* @throws ParsingException
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*/
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protected void loadFromRmf(RmfBlocksManager manager) throws ParsingException { |
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if (!manager.checkRmf())
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return;
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if (!new File(manager.getPath()).exists()) |
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return;
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GeoInfoRmfSerializer geoInfoSerializer = new GeoInfoRmfSerializer(this); |
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ColorTableRmfSerializer colorTableSerializer = new ColorTableRmfSerializer();
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NoDataRmfSerializer noDataSerializer = new NoDataRmfSerializer(new DefaultNoData(noData, RasterLibrary.NODATATYPE_LAYER)); |
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ColorInterpretationRmfSerializer colorInterpSerializer = new ColorInterpretationRmfSerializer();
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ProjectionRmfSerializer projectionRmfSerializer = new ProjectionRmfSerializer();
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manager.addClient(geoInfoSerializer); |
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manager.addClient(colorTableSerializer); |
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manager.addClient(noDataSerializer); |
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manager.addClient(colorInterpSerializer); |
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manager.addClient(projectionRmfSerializer); |
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manager.read(null);
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manager.removeAllClients(); |
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if (colorTableSerializer.getResult() != null) |
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setColorTable((ColorTable) colorTableSerializer.getResult()); |
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if (noDataSerializer.getResult() != null) { |
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noData = ((DefaultNoData) noDataSerializer.getResult()).getValue(); |
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noDataEnabled = (((DefaultNoData) noDataSerializer.getResult()).getType() != RasterLibrary.NODATATYPE_DISABLED); |
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} |
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if (colorInterpSerializer.getResult() != null) { |
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DatasetColorInterpretation ci = (DatasetColorInterpretation) colorInterpSerializer.getResult(); |
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setColorInterpretation(ci); |
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if (ci.getBand(DatasetColorInterpretation.ALPHA_BAND) != -1) |
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getTransparency().setTransparencyBand(ci.getBand(DatasetColorInterpretation.ALPHA_BAND)); |
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} |
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if (projectionRmfSerializer.getResult() != null) |
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wktProjection = RasterLocator.getManager().getCRSUtils().convertIProjectionToWkt((IProjection) projectionRmfSerializer.getResult()); |
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} |
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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 el n?nero de bandas del fichero
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* @return Entero que representa el n?mero de bandas
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*/
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public int getBandCount() { |
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return bandCount;
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} |
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/**
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* @return Returns the dataType.
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*/
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public int[] getDataType() { |
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return dataType;
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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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public void setDataType(int[] dataType) { |
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this.dataType = dataType;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getPixelSizeX()
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*/
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public double getPixelSizeX() { |
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return externalTransformation.getScaleX();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getPixelSizeY()
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*/
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public double getPixelSizeY() { |
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return externalTransformation.getScaleY();
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} |
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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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* 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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/**
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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
|
| 431 |
*/
|
| 432 |
abstract public Buffer getWindowRaster(double x, double y, double w, double h, BandList bandList, Buffer rasterBuf, boolean adjustToExtent)throws ProcessInterruptedException, RasterDriverException; |
| 433 |
|
| 434 |
/**
|
| 435 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
|
| 436 |
* Se aplica supersampleo o subsampleo dependiendo del tama?o del buffer especificado.
|
| 437 |
*
|
| 438 |
* @param minX Posici?n m?nima X superior izquierda
|
| 439 |
* @param minY Posici?n m?nima Y superior izquierda
|
| 440 |
* @param maxX Posici?n m?xima X inferior derecha
|
| 441 |
* @param maxY Posici?n m?xima Y inferior derecha
|
| 442 |
* @param bufWidth Ancho del buffer de datos
|
| 443 |
* @param bufHeight Alto del buffer de datos
|
| 444 |
* @param rasterBuf Buffer de datos
|
| 445 |
* @param adjustToExtent Flag que dice si el extent solicitado debe ajustarse al extent del raster o no.
|
| 446 |
* @param bandList
|
| 447 |
* @return Buffer de datos
|
| 448 |
*/
|
| 449 |
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; |
| 450 |
|
| 451 |
/**
|
| 452 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas pixel.
|
| 453 |
* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
|
| 454 |
* pixeles de disco.
|
| 455 |
* @param x Posici?n X superior izquierda
|
| 456 |
* @param y Posici?n Y superior izquierda
|
| 457 |
* @param w Ancho en coordenadas reales
|
| 458 |
* @param h Alto en coordenadas reales
|
| 459 |
* @param rasterBuf Buffer de datos
|
| 460 |
* @param bandList
|
| 461 |
* @return Buffer de datos
|
| 462 |
*/
|
| 463 |
abstract public Buffer getWindowRaster(int x, int y, int w, int h, BandList bandList, Buffer rasterBuf)throws ProcessInterruptedException, RasterDriverException; |
| 464 |
|
| 465 |
/**
|
| 466 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas pixel.
|
| 467 |
* Se aplica supersampleo o subsampleo dependiendo del tama?o del buffer especificado.
|
| 468 |
*
|
| 469 |
* @param x Posici?n X superior izquierda
|
| 470 |
* @param y Posici?n Y superior izquierda
|
| 471 |
* @param w Ancho en coordenadas reales
|
| 472 |
* @param h Alto en coordenadas reales
|
| 473 |
* @param bufWidth Ancho del buffer de datos
|
| 474 |
* @param bufHeight Alto del buffer de datos
|
| 475 |
* @param rasterBuf Buffer de datos
|
| 476 |
* @param bandList
|
| 477 |
* @return Buffer de datos
|
| 478 |
*/
|
| 479 |
abstract public Buffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf)throws ProcessInterruptedException, RasterDriverException; |
| 480 |
|
| 481 |
abstract public int getBlockSize(); |
| 482 |
|
| 483 |
/**
|
| 484 |
* Obtiene el valor NoData asociado al raster. Si hay un valor en el fichero
|
| 485 |
* RMF se devuelve este, sino se buscar? en la cabecera del raster o metadatos de
|
| 486 |
* este. Si finalmente no encuentra ninguno se devuelve el valor por defecto
|
| 487 |
* definido en la libreria.
|
| 488 |
* @return
|
| 489 |
*/
|
| 490 |
public double getNoDataValue() { |
| 491 |
return noData;
|
| 492 |
} |
| 493 |
|
| 494 |
/**
|
| 495 |
* Pone el valor original de noData. Primero lo consulta del valor del metadata
|
| 496 |
* y luego del RMF.
|
| 497 |
*/
|
| 498 |
public void resetNoDataValue() { |
| 499 |
/**
|
| 500 |
* Intentamos recuperar el valor del metadatas, en caso de no encontrarlo le
|
| 501 |
* asignamos el noData por defecto
|
| 502 |
*/
|
| 503 |
noDataEnabled = false;
|
| 504 |
do {
|
| 505 |
if (getMetadata() == null) { |
| 506 |
noData = RasterLibrary.defaultNoDataValue; |
| 507 |
break;
|
| 508 |
} |
| 509 |
|
| 510 |
if (getMetadata().getNoDataValue().length == 0) { |
| 511 |
noData = RasterLibrary.defaultNoDataValue; |
| 512 |
break;
|
| 513 |
} |
| 514 |
|
| 515 |
noData = getMetadata().getNoDataValue()[0];
|
| 516 |
noDataEnabled = getMetadata().isNoDataEnabled(); |
| 517 |
} while (false); |
| 518 |
|
| 519 |
try {
|
| 520 |
DefaultNoData noDataObject = (DefaultNoData) loadObjectFromRmf(DefaultNoData.class, null);
|
| 521 |
if (noDataObject != null) { |
| 522 |
if (noDataObject.getType() > 0) |
| 523 |
noData = noDataObject.getValue(); |
| 524 |
noDataEnabled = (noDataObject.getType() > 0);
|
| 525 |
} |
| 526 |
} catch (RmfSerializerException e) {
|
| 527 |
} |
| 528 |
} |
| 529 |
|
| 530 |
/**
|
| 531 |
* Establece el valor del NoData
|
| 532 |
* @param value
|
| 533 |
*/
|
| 534 |
public void setNoDataValue(double value) { |
| 535 |
noData = value; |
| 536 |
noDataEnabled = true;
|
| 537 |
} |
| 538 |
|
| 539 |
/**
|
| 540 |
* Dice si el fichero tiene georreferenciaci?n o no.
|
| 541 |
* @return true si tiene georreferenciaci?n y false si no la tiene
|
| 542 |
*/
|
| 543 |
public boolean isGeoreferenced(){ |
| 544 |
return true; |
| 545 |
} |
| 546 |
|
| 547 |
/**
|
| 548 |
* Dado unas coordenadas reales, un tama?o de buffer y un tama?o de raster.
|
| 549 |
* Si el buffer es de mayor tama?o que el raster (supersampleo) quiere decir que
|
| 550 |
* por cada pixel de buffer se repiten varios del raster. Esta funci?n calcula el
|
| 551 |
* n?mero de pixels de desplazamiento en X e Y que corresponden al primer pixel del
|
| 552 |
* buffer en la esquina superior izquierda. Esto es necesario porque la coordenada
|
| 553 |
* solicitada es real y puede no caer sobre un pixel completo. Este calculo es
|
| 554 |
* util cuando un cliente quiere supersamplear sobre un buffer y que no se lo haga
|
| 555 |
* el driver autom?ticamente.
|
| 556 |
* @param dWorldTLX Coordenada real X superior izquierda
|
| 557 |
* @param dWorldTLY Coordenada real Y superior izquierda
|
| 558 |
* @param dWorldBRX Coordenada real X inferior derecha
|
| 559 |
* @param dWorldBRY Coordenada real Y inferior derecha
|
| 560 |
* @param nWidth Ancho del raster
|
| 561 |
* @param nHeight Alto del raster
|
| 562 |
* @param bufWidth Ancho del buffer
|
| 563 |
* @param bufHeight Alto del buffer
|
| 564 |
* @return Array de dos elementos con el desplazamiento en X e Y.
|
| 565 |
*/
|
| 566 |
public double[] calcSteps(double dWorldTLX, double dWorldTLY, double dWorldBRX, double dWorldBRY, |
| 567 |
double nWidth, double nHeight, int bufWidth, int bufHeight) { |
| 568 |
|
| 569 |
Point2D p1 = new Point2D.Double(dWorldTLX, dWorldTLY); |
| 570 |
Point2D p2 = new Point2D.Double(dWorldBRX, dWorldBRY); |
| 571 |
|
| 572 |
Point2D tl = worldToRaster(new Point2D.Double(p1.getX(), p1.getY())); |
| 573 |
Point2D br = worldToRaster(new Point2D.Double(p2.getX(), p2.getY())); |
| 574 |
|
| 575 |
double wPx = (bufWidth / Math.abs(br.getX() - tl.getX())); |
| 576 |
double hPx = (bufHeight / Math.abs(br.getY() - tl.getY())); |
| 577 |
|
| 578 |
int x = (int)((tl.getX() > br.getX()) ? Math.floor(br.getX()) : Math.floor(tl.getX())); |
| 579 |
int y = (int)((tl.getY() > br.getY()) ? Math.floor(br.getY()) : Math.floor(tl.getY())); |
| 580 |
|
| 581 |
double a = (tl.getX() > br.getX()) ? (Math.abs(br.getX() - x)) : (Math.abs(tl.getX() - x)); |
| 582 |
double b = (tl.getY() > br.getY()) ? (Math.abs(br.getY() - y)) : (Math.abs(tl.getY() - y)); |
| 583 |
|
| 584 |
double stpX = (int)((a * bufWidth) / Math.abs(br.getX() - tl.getX())); |
| 585 |
double stpY = (int)((b * bufHeight) / Math.abs(br.getY() - tl.getY())); |
| 586 |
|
| 587 |
return new double[]{stpX, stpY, wPx, hPx}; |
| 588 |
} |
| 589 |
|
| 590 |
/**
|
| 591 |
* Lee una l?nea completa del raster y devuelve un array del tipo correcto. Esta funci?n es util
|
| 592 |
* para una lectura rapida de todo el fichero sin necesidad de asignar vista.
|
| 593 |
* @param nLine N?mero de l?nea a leer
|
| 594 |
* @param band Banda requerida
|
| 595 |
* @return Object que es un array unidimendional del tipo de datos del raster
|
| 596 |
* @throws InvalidSetViewException
|
| 597 |
* @throws FileNotOpenException
|
| 598 |
* @throws RasterDriverException
|
| 599 |
*/
|
| 600 |
abstract public Object readCompleteLine(int line, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException; |
| 601 |
|
| 602 |
/**
|
| 603 |
* Lee un bloque completo de datos del raster y devuelve un array tridimensional del tipo correcto. Esta funci?n es util
|
| 604 |
* para una lectura rapida de todo el fichero sin necesidad de asignar vista.
|
| 605 |
* @param pos Posici?n donde se empieza a leer
|
| 606 |
* @param blockHeight Altura m?xima del bloque leido
|
| 607 |
* @return Object que es un array tridimendional del tipo de datos del raster. (Bandas X Filas X Columnas)
|
| 608 |
* @throws InvalidSetViewException
|
| 609 |
* @throws FileNotOpenException
|
| 610 |
* @throws RasterDriverException
|
| 611 |
*/
|
| 612 |
abstract public Object readBlock(int pos, int blockHeight) |
| 613 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException;
|
| 614 |
|
| 615 |
/**
|
| 616 |
* Convierte un punto desde coordenadas pixel a coordenadas del mundo.
|
| 617 |
* @param pt Punto a transformar
|
| 618 |
* @return punto transformado en coordenadas del mundo
|
| 619 |
*/
|
| 620 |
public Point2D rasterToWorld(Point2D pt) { |
| 621 |
Point2D p = new Point2D.Double(); |
| 622 |
externalTransformation.transform(pt, p); |
| 623 |
return p;
|
| 624 |
} |
| 625 |
|
| 626 |
/**
|
| 627 |
* Convierte un punto desde del mundo a coordenadas pixel.
|
| 628 |
* @param pt Punto a transformar
|
| 629 |
* @return punto transformado en coordenadas pixel
|
| 630 |
*/
|
| 631 |
public Point2D worldToRaster(Point2D pt) { |
| 632 |
Point2D p = new Point2D.Double(); |
| 633 |
try {
|
| 634 |
externalTransformation.inverseTransform(pt, p); |
| 635 |
} catch (NoninvertibleTransformException e) { |
| 636 |
return pt;
|
| 637 |
} |
| 638 |
return p;
|
| 639 |
} |
| 640 |
|
| 641 |
/**
|
| 642 |
* Calcula el extent en coordenadas del mundo real
|
| 643 |
* @return Extent
|
| 644 |
*/
|
| 645 |
public Extent getExtent() {
|
| 646 |
return new ExtentImpl( rasterToWorld(new Point2D.Double(0, 0)), |
| 647 |
rasterToWorld(new Point2D.Double(getWidth(), getHeight())), |
| 648 |
rasterToWorld(new Point2D.Double(getWidth(), 0)), |
| 649 |
rasterToWorld(new Point2D.Double(0, getHeight()))); |
| 650 |
} |
| 651 |
|
| 652 |
/**
|
| 653 |
* Calcula el extent en coordenadas del mundo real sin rotaci?n. Solo coordenadas y tama?o de pixel
|
| 654 |
* @return Extent
|
| 655 |
*/
|
| 656 |
public Extent getExtentWithoutRot() {
|
| 657 |
AffineTransform at = new AffineTransform( externalTransformation.getScaleX(), 0, |
| 658 |
0, externalTransformation.getScaleY(),
|
| 659 |
externalTransformation.getTranslateX(), externalTransformation.getTranslateY()); |
| 660 |
Point2D p1 = new Point2D.Double(0, 0); |
| 661 |
Point2D p2 = new Point2D.Double(getWidth(), getHeight()); |
| 662 |
at.transform(p1, p1); |
| 663 |
at.transform(p2, p2); |
| 664 |
return new ExtentImpl(p1, p2); |
| 665 |
} |
| 666 |
|
| 667 |
/**
|
| 668 |
* ASigna el par?metro de inicializaci?n del driver.
|
| 669 |
*/
|
| 670 |
public void setParam(AbstractRasterStoreParameters param) { |
| 671 |
this.name = param.getFileName();
|
| 672 |
this.param = param;
|
| 673 |
} |
| 674 |
|
| 675 |
/**
|
| 676 |
* Obtiene el ancho de una overview de una banda
|
| 677 |
* @return
|
| 678 |
*/
|
| 679 |
abstract public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException; |
| 680 |
|
| 681 |
/**
|
| 682 |
* Obtiene el alto de una overview de una banda
|
| 683 |
* @return
|
| 684 |
*/
|
| 685 |
abstract public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException; |
| 686 |
|
| 687 |
/**
|
| 688 |
* Informa de si el dataset soporta overviews o no.
|
| 689 |
* @return true si soporta overviews y false si no las soporta.
|
| 690 |
*/
|
| 691 |
abstract public boolean overviewsSupport(); |
| 692 |
|
| 693 |
/**
|
| 694 |
* Obtiene el gestor de ficheros RMF
|
| 695 |
* @return RmfBloksManager
|
| 696 |
*/
|
| 697 |
public RmfBlocksManager getRmfBlocksManager() {
|
| 698 |
if (rmfBlocksManager == null) { |
| 699 |
String fileRMF = fileUtil.getNameWithoutExtension(getFName()) + ".rmf"; |
| 700 |
rmfBlocksManager = new RmfBlocksManager(fileRMF);
|
| 701 |
} |
| 702 |
return rmfBlocksManager;
|
| 703 |
} |
| 704 |
|
| 705 |
/*
|
| 706 |
* (non-Javadoc)
|
| 707 |
* @see org.gvsig.raster.impl.provider.RasterProvider#isInside(java.awt.geom.Point2D)
|
| 708 |
*/
|
| 709 |
public boolean isInside(Point2D p){ |
| 710 |
//Realizamos los calculos solo si el punto est? dentro del extent de la imagen rotada, as? nos ahorramos los calculos
|
| 711 |
//cuando el puntero est? fuera
|
| 712 |
|
| 713 |
Point2D pt = new Point2D.Double(); |
| 714 |
try {
|
| 715 |
|
| 716 |
getAffineTransform().inverseTransform(p, pt); |
| 717 |
if( pt.getX() >= 0 && pt.getX() < getWidth() && |
| 718 |
pt.getY() >= 0 && pt.getY() < getHeight())
|
| 719 |
return true; |
| 720 |
} catch (NoninvertibleTransformException e) { |
| 721 |
return false; |
| 722 |
} |
| 723 |
|
| 724 |
return false; |
| 725 |
} |
| 726 |
|
| 727 |
/**
|
| 728 |
* Consulta de si un raster tiene rotaci?n o no.
|
| 729 |
* @return true si tiene rotaci?n y false si no la tiene.
|
| 730 |
*/
|
| 731 |
public boolean isRotated() { |
| 732 |
if(externalTransformation.getShearX() != 0 || externalTransformation.getShearY() != 0) |
| 733 |
return true; |
| 734 |
return false; |
| 735 |
} |
| 736 |
|
| 737 |
/**
|
| 738 |
* Devuelve si el RasterDataSet tiene el valor noData activo
|
| 739 |
* @return the noDataEnabled
|
| 740 |
*/
|
| 741 |
public boolean isNoDataEnabled() { |
| 742 |
return noDataEnabled;
|
| 743 |
} |
| 744 |
|
| 745 |
/**
|
| 746 |
* Define si el RasterDataSet tiene el valor noData activo
|
| 747 |
* @param noDataEnabled the noDataEnabled to set
|
| 748 |
*/
|
| 749 |
public void setNoDataEnabled(boolean noDataEnabled) { |
| 750 |
this.noDataEnabled = noDataEnabled;
|
| 751 |
} |
| 752 |
|
| 753 |
/**
|
| 754 |
* Devuelve si el Dataset es reproyectable
|
| 755 |
* @return
|
| 756 |
*/
|
| 757 |
public boolean isReproyectable() { |
| 758 |
return false; |
| 759 |
} |
| 760 |
|
| 761 |
public String getWktProjection() { |
| 762 |
return wktProjection;
|
| 763 |
} |
| 764 |
|
| 765 |
/*
|
| 766 |
* (non-Javadoc)
|
| 767 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#saveObjectToRmf(java.lang.Class, java.lang.Object)
|
| 768 |
*/
|
| 769 |
@SuppressWarnings("unchecked") |
| 770 |
public void saveObjectToRmf(Class class1, Object value) throws RmfSerializerException { |
| 771 |
((DefaultProviderServices)RasterLocator.getManager().getProviderServices()).saveObjectToRmfFile(getRmfBlocksManager(), class1, value); |
| 772 |
} |
| 773 |
|
| 774 |
/**
|
| 775 |
* Carga un objecto desde un serializador del tipo class1. Usa value para iniciar dicho
|
| 776 |
* serializador
|
| 777 |
*
|
| 778 |
* @param class1
|
| 779 |
* @param value
|
| 780 |
* @return
|
| 781 |
* @throws RmfSerializerException
|
| 782 |
*/
|
| 783 |
@SuppressWarnings("unchecked") |
| 784 |
private static Object loadObjectFromRmfFile(RmfBlocksManager blocksManager, Class class1, Object value) throws RmfSerializerException { |
| 785 |
ClassSerializer serializerObject = ((DefaultProviderServices)RasterLocator.getManager().getProviderServices()).getSerializerObject(class1, value); |
| 786 |
|
| 787 |
if (serializerObject == null) |
| 788 |
throw new RmfSerializerException("No se ha podido encontrar el serializador para el Rmf"); |
| 789 |
|
| 790 |
if (!blocksManager.checkRmf())
|
| 791 |
throw new RmfSerializerException("Error al comprobar el fichero Rmf"); |
| 792 |
|
| 793 |
blocksManager.addClient(serializerObject); |
| 794 |
try {
|
| 795 |
blocksManager.read(null);
|
| 796 |
} catch (ParsingException e) {
|
| 797 |
throw new RmfSerializerException("Error al leer el fichero Rmf", e); |
| 798 |
} |
| 799 |
blocksManager.removeAllClients(); |
| 800 |
|
| 801 |
return serializerObject.getResult();
|
| 802 |
} |
| 803 |
|
| 804 |
/*
|
| 805 |
* (non-Javadoc)
|
| 806 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#loadObjectFromRmf(java.lang.Class, java.lang.Object)
|
| 807 |
*/
|
| 808 |
@SuppressWarnings("unchecked") |
| 809 |
public Object loadObjectFromRmf(Class class1, Object value) throws RmfSerializerException { |
| 810 |
return loadObjectFromRmfFile(getRmfBlocksManager(), class1, value);
|
| 811 |
} |
| 812 |
|
| 813 |
/**
|
| 814 |
* Carga un objeto del fichero RMF especificado por parametro
|
| 815 |
* @param file
|
| 816 |
* @param class1
|
| 817 |
* @param value
|
| 818 |
* @return
|
| 819 |
* @throws RmfSerializerException
|
| 820 |
*/
|
| 821 |
@SuppressWarnings("unchecked") |
| 822 |
public static Object loadObjectFromRmfFile(String file, Class class1, Object value) throws RmfSerializerException { |
| 823 |
String fileRMF = RasterLocator.getManager().getFileUtils().getNameWithoutExtension(file) + ".rmf"; |
| 824 |
RmfBlocksManager blocksManager = new RmfBlocksManager(fileRMF);
|
| 825 |
return loadObjectFromRmfFile(blocksManager, class1, value);
|
| 826 |
} |
| 827 |
|
| 828 |
/**
|
| 829 |
* Guarda en el RMF el objecto actual en caso de que exista un serializador para el
|
| 830 |
* @param value
|
| 831 |
* @throws RmfSerializerException
|
| 832 |
*/
|
| 833 |
public void saveObjectToRmf(Object value) throws RmfSerializerException { |
| 834 |
saveObjectToRmf(value.getClass(), value); |
| 835 |
} |
| 836 |
|
| 837 |
/**
|
| 838 |
* Carga un objecto desde un serializador usando el tipo del mismo objeto pasado por parametro.
|
| 839 |
* Usa value para iniciar dicho serializador
|
| 840 |
* @param value
|
| 841 |
* @return
|
| 842 |
* @throws RmfSerializerException
|
| 843 |
*/
|
| 844 |
public Object loadObjectFromRmf(Object value) throws RmfSerializerException { |
| 845 |
return loadObjectFromRmf(value.getClass(), value);
|
| 846 |
} |
| 847 |
|
| 848 |
/*
|
| 849 |
* (non-Javadoc)
|
| 850 |
* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getDatasetCount()
|
| 851 |
*/
|
| 852 |
public int getDatasetCount() { |
| 853 |
return 1; |
| 854 |
} |
| 855 |
|
| 856 |
|
| 857 |
public double getCellSize() { |
| 858 |
try {
|
| 859 |
Extent e = getExtent(); |
| 860 |
double dCellsize = (e.getMax().getX() - e.getMin().getX() ) / getWidth();
|
| 861 |
return dCellsize;
|
| 862 |
} catch (NullPointerException e) { |
| 863 |
return 1; |
| 864 |
} |
| 865 |
} |
| 866 |
|
| 867 |
|
| 868 |
public RasterProvider newProvider() {
|
| 869 |
return null; |
| 870 |
} |
| 871 |
|
| 872 |
/*
|
| 873 |
* (non-Javadoc)
|
| 874 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getColorTable()
|
| 875 |
*/
|
| 876 |
public ColorTable getColorTable() {
|
| 877 |
return colorTable;
|
| 878 |
} |
| 879 |
|
| 880 |
/**
|
| 881 |
* Define el objeto paleta. Si se define null quiere decir que no tiene paleta
|
| 882 |
* para su visualizaci?n.
|
| 883 |
* @param value
|
| 884 |
*/
|
| 885 |
public void setColorTable(ColorTable value) { |
| 886 |
colorTable = value; |
| 887 |
} |
| 888 |
|
| 889 |
/*
|
| 890 |
* (non-Javadoc)
|
| 891 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getTransparency()
|
| 892 |
*/
|
| 893 |
public Transparency getTransparency() { |
| 894 |
return null; |
| 895 |
} |
| 896 |
|
| 897 |
/*
|
| 898 |
* (non-Javadoc)
|
| 899 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getMetadata()
|
| 900 |
*/
|
| 901 |
public DatasetMetadata getMetadata() {
|
| 902 |
return null; |
| 903 |
} |
| 904 |
|
| 905 |
/*
|
| 906 |
* (non-Javadoc)
|
| 907 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getColorInterpretation()
|
| 908 |
*/
|
| 909 |
public ColorInterpretation getColorInterpretation(){
|
| 910 |
return colorInterpretation;
|
| 911 |
} |
| 912 |
|
| 913 |
/**
|
| 914 |
* Asigna el objeto que contiene que contiene la interpretaci?n de
|
| 915 |
* color por banda
|
| 916 |
* @param DatasetColorInterpretation
|
| 917 |
*/
|
| 918 |
public void setColorInterpretation(DatasetColorInterpretation colorInterpretation){ |
| 919 |
this.colorInterpretation = colorInterpretation;
|
| 920 |
} |
| 921 |
|
| 922 |
/*
|
| 923 |
* (non-Javadoc)
|
| 924 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getStatistics()
|
| 925 |
*/
|
| 926 |
public DatasetStatistics getStatistics() {
|
| 927 |
return stats;
|
| 928 |
} |
| 929 |
|
| 930 |
/*
|
| 931 |
* (non-Javadoc)
|
| 932 |
* @see org.gvsig.raster.impl.dataset.RasterProvider#getHistogram()
|
| 933 |
*/
|
| 934 |
public Histogram getHistogram() {
|
| 935 |
if (histogram == null) |
| 936 |
histogram = new DatasetHistogram(this); |
| 937 |
return histogram;
|
| 938 |
} |
| 939 |
|
| 940 |
//****************************************************
|
| 941 |
//*********Implementing Disposable methods************
|
| 942 |
//****************************************************
|
| 943 |
|
| 944 |
/*
|
| 945 |
* (non-Javadoc)
|
| 946 |
* @see org.gvsig.tools.dispose.impl.AbstractDisposable#doDispose()
|
| 947 |
*/
|
| 948 |
public void doDispose() { |
| 949 |
|
| 950 |
} |
| 951 |
|
| 952 |
//****************************************************
|
| 953 |
//*****Implementing DataStoreProvider methods*********
|
| 954 |
//****************************************************
|
| 955 |
|
| 956 |
/**
|
| 957 |
* Gets the specific parameter. All of them inherit from RasterStoreParameters
|
| 958 |
*/
|
| 959 |
//public abstract RasterStoreParameters getRasterParameters();
|
| 960 |
|
| 961 |
@SuppressWarnings("deprecation") |
| 962 |
@Override
|
| 963 |
public DataServerExplorer getExplorer() throws ReadException, |
| 964 |
ValidateDataParametersException {
|
| 965 |
DataManager manager = DALLocator.getDataManager(); |
| 966 |
FilesystemServerExplorerParameters params; |
| 967 |
try {
|
| 968 |
params = (FilesystemServerExplorerParameters) manager |
| 969 |
.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
| 970 |
params.setRoot(this.getRasterParameters().getFile().getParent());
|
| 971 |
return manager.createServerExplorer(params);
|
| 972 |
} catch (DataException e) {
|
| 973 |
throw new ReadException(this.getName(), e); |
| 974 |
} |
| 975 |
} |
| 976 |
|
| 977 |
public AbstractRasterStoreParameters getRasterParameters() {
|
| 978 |
return (AbstractRasterStoreParameters)getDataStoreParameters();
|
| 979 |
} |
| 980 |
|
| 981 |
/*
|
| 982 |
* (non-Javadoc)
|
| 983 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getChilds()
|
| 984 |
*/
|
| 985 |
@SuppressWarnings("unchecked") |
| 986 |
public Iterator getChilds() { |
| 987 |
return null; |
| 988 |
} |
| 989 |
|
| 990 |
/*
|
| 991 |
* (non-Javadoc)
|
| 992 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getResource()
|
| 993 |
*/
|
| 994 |
public ResourceProvider getResource() {
|
| 995 |
return null; |
| 996 |
} |
| 997 |
|
| 998 |
/*
|
| 999 |
* (non-Javadoc)
|
| 1000 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getSourceId()
|
| 1001 |
*/
|
| 1002 |
public Object getSourceId() { |
| 1003 |
return this.getRasterParameters().getFile(); |
| 1004 |
} |
| 1005 |
|
| 1006 |
/*
|
| 1007 |
* (non-Javadoc)
|
| 1008 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#open()
|
| 1009 |
*/
|
| 1010 |
public void open() throws OpenException { |
| 1011 |
} |
| 1012 |
} |