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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.gdal.io;
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import java.awt.Color;
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import java.awt.Rectangle;
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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.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import org.gdal.gdal.gdal;
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import org.gdal.ogr.ogr;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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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.ColorItem;
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import org.gvsig.fmap.dal.coverage.datastruct.Extent;
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import org.gvsig.fmap.dal.coverage.datastruct.NoData;
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;
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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.util.FileUtils;
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import org.gvsig.jgdal.GdalBuffer;
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import org.gvsig.jgdal.GdalColorEntry;
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import org.gvsig.jgdal.GdalColorTable;
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import org.gvsig.jgdal.GdalDataset;
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import org.gvsig.jgdal.GdalException;
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import org.gvsig.jgdal.GdalRasterBand;
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import org.gvsig.jgdal.GeoTransform;
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import org.gvsig.jgdal.GeoTransform.GeoTransformException;
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import org.gvsig.raster.impl.datastruct.ColorItemImpl;
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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.process.RasterTask;
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import org.gvsig.raster.impl.process.RasterTaskQueue;
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import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation;
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import org.gvsig.raster.impl.store.properties.DataStoreColorTable;
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import org.gvsig.raster.impl.store.properties.DataStoreMetadata;
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import org.gvsig.raster.impl.store.properties.DataStoreTransparency;
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import org.gvsig.tools.dispose.Disposable;
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import org.gvsig.tools.task.TaskStatus;
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/**
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* Soporte 'nativo' para ficheros desde GDAL.
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*/
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public class GdalDataSource extends GdalDataset implements Disposable {
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private String fileName = null;
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private String shortName = "";
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public GeoTransform trans = null;
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public int width = 0, height = 0;
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public double originX = 0D, originY = 0D;
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public String version = "";
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protected int rBandNr = 1, gBandNr = 2, bBandNr = 3, aBandNr = 4;
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private int[] dataType = null;
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DataStoreMetadata metadata = null;
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protected boolean georeferenced = true;
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private static final Logger logger = LoggerFactory.getLogger(GdalDataSource.class);
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/**
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* Vectores que contiene los desplazamientos de un pixel cuando hay supersampling.
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* , es decir el n?mero de pixels de pantalla que tiene un pixel de imagen. Como todos
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* los pixeles no tienen el mismo ancho y alto ha de meterse en un array y no puede ser
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* una variable. Adem?s hay que tener en cuenta que el primer y ?ltimo pixel son de
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* distinto tama?o que el resto.
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*/
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public int[] stepArrayX = null;
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public int[] stepArrayY = null;
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protected GdalRasterBand[] gdalBands = null;
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private double lastReadLine = -1;
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private int overviewWidth = -1;
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private int overviewHeight = -1;
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private int currentViewWidth = -1;
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private int currentViewHeight = -1;
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private double currentViewX = 0D;
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private double viewportScaleX = 0D;
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private double viewportScaleY = 0D;
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private double stepX = 0D;
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private double stepY = 0D;
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public boolean isSupersampling = false;
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private boolean open = false;
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/**
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* Estado de transparencia del raster.
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*/
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protected DataStoreTransparency fileTransparency = null;
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protected DataStoreColorTable palette = null;
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protected DataStoreColorInterpretation colorInterpr = null;
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protected AffineTransform ownTransformation = null;
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protected AffineTransform externalTransformation = new AffineTransform();
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public static int getGdalTypeFromRasterBufType(int rasterBufType) {
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switch (rasterBufType) {
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case Buffer.TYPE_BYTE: return GdalDataset.GDT_Byte;
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case Buffer.TYPE_USHORT: return GdalDataset.GDT_UInt16;
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case Buffer.TYPE_SHORT: return GdalDataset.GDT_Int16;
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case Buffer.TYPE_INT: return GdalDataset.GDT_Int32;
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case Buffer.TYPE_FLOAT: return GdalDataset.GDT_Float32;
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case Buffer.TYPE_DOUBLE: return GdalDataset.GDT_Float64;
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case Buffer.TYPE_UNDEFINED: return GdalDataset.GDT_Unknown;
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case Buffer.TYPE_IMAGE: return GdalDataset.GDT_Byte;
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}
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return GdalDataset.GDT_Unknown;
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}
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/**
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* Conversi?n de los tipos de datos de gdal a los tipos de datos de RasterBuf
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* @param gdalType Tipo de dato de gdal
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* @return Tipo de dato de RasterBuf
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*/
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public static int getRasterBufTypeFromGdalType(int gdalType) {
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switch (gdalType) {
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case 1:// Eight bit unsigned integer GDT_Byte = 1
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return Buffer.TYPE_BYTE;
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case 3:// Sixteen bit signed integer GDT_Int16 = 3,
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return Buffer.TYPE_SHORT;
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case 2:// Sixteen bit unsigned integer GDT_UInt16 = 2
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//return RasterBuffer.TYPE_USHORT;
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return Buffer.TYPE_SHORT; //Apa?o para usar los tipos de datos que soportamos
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case 5:// Thirty two bit signed integer GDT_Int32 = 5
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return Buffer.TYPE_INT;
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case 6:// Thirty two bit floating point GDT_Float32 = 6
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return Buffer.TYPE_FLOAT;
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case 7:// Sixty four bit floating point GDT_Float64 = 7
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return Buffer.TYPE_DOUBLE;
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// TODO:Estos tipos de datos no podemos gestionarlos. Habria que definir
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// el tipo complejo y usar el tipo long que de momento no se gasta.
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case 4:// Thirty two bit unsigned integer GDT_UInt32 = 4,
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return Buffer.TYPE_INT;
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//return RasterBuffer.TYPE_UNDEFINED; // Deberia devolver un Long
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case 8:// Complex Int16 GDT_CInt16 = 8
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case 9:// Complex Int32 GDT_CInt32 = 9
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case 10:// Complex Float32 GDT_CFloat32 = 10
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case 11:// Complex Float64 GDT_CFloat64 = 11
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return Buffer.TYPE_UNDEFINED;
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}
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return Buffer.TYPE_UNDEFINED;
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}
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/**
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* Overview usada en el ?ltimo setView
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*/
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int currentOverview = -1;
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public GdalDataSource(String fName) throws GdalException, IOException {
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super();
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init(fName);
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}
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// private static Dataset initializeGdal(String fName) throws GdalException {
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// gdal.AllRegister();
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// ogr.RegisterAll();
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// Dataset data = gdal.Open(fName, 1);
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// if (data == null)
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// throw new GdalException("Error en la apertura del fichero. El fichero no tiene un formato v?lido.");
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//
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// return data;
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// }
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private void init(String fName) throws GdalException, IOException {
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gdal.AllRegister();
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ogr.RegisterAll();
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fileName = fName;
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open(fName, GA_ReadOnly);
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open = true;
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if (getDataset() == null)
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throw new GdalException("Error en la apertura del fichero. El fichero no tiene un formato v?lido.");
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width = getRasterXSize();
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height = getRasterYSize();
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int[] dt = new int[getRasterCount()];
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for (int i = 0; i < getRasterCount(); i++)
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dt[i] = this.getRasterBand(i + 1).getRasterDataType();
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setDataType(dt);
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shortName = getDriverShortName();
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colorInterpr = new DataStoreColorInterpretation(getRasterCount());
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fileTransparency = new DataStoreTransparency(colorInterpr);
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metadata = new DataStoreMetadata(getMetadata(), colorInterpr);
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// Asignamos la interpretaci?n de color leida por gdal a cada banda. Esto
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// nos sirve para saber que banda de la imagen va asignada a cada banda de
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// visualizaci?n (ARGB)
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metadata.initNoDataByBand(getRasterCount());
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for (int i = 0; i < getRasterCount(); i++) {
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GdalRasterBand rb = getRasterBand(i + 1);
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String colorInt = getColorInterpretationName(rb.getRasterColorInterpretation());
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metadata.setNoDataEnabled(rb.existsNoDataValue());
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if(rb.existsNoDataValue()) {
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metadata.setNoDataValue(i, rb.getRasterNoDataValue());
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metadata.setNoDataEnabled(rb.existsNoDataValue());
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}
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colorInterpr.setColorInterpValue(i, colorInt);
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if (colorInt.equals("Alpha"))
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fileTransparency.setTransparencyBand(i);
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if (rb.getRasterColorTable() != null && palette == null) {
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palette = new DataStoreColorTable(gdalColorTable2ColorItems(rb.getRasterColorTable()), false);
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// fileTransparency.setTransparencyRangeList(palette.getTransparencyRange());
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}
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}
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fileTransparency.setTransparencyByPixelFromMetadata(metadata);
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try {
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trans = getGeoTransform();
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if( !trans.isValid() ) {
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throw new GeoTransformException();
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}
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double psX = trans.adfgeotransform[1];
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double psY = trans.adfgeotransform[5];
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double rotX = trans.adfgeotransform[4];
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double rotY = trans.adfgeotransform[2];
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double offX = trans.adfgeotransform[0];
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double offY = trans.adfgeotransform[3];
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ownTransformation = new AffineTransform(psX, rotX, rotY, psY, offX, offY);
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//trans.adfgeotransform[1], trans.adfgeotransform[4], trans.adfgeotransform[2], trans.adfgeotransform[5], trans.adfgeotransform[0], trans.adfgeotransform[3]);
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externalTransformation = (AffineTransform) ownTransformation.clone();
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overviewWidth = width;
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overviewHeight = height;
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this.georeferenced = true;
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} catch (GeoTransformException exc) {
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// Transformaci?n para ficheros sin georreferenciaci?n. Se invierte la Y
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// ya que las WC decrecen de
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// arriba a abajo y los pixeles crecen de arriba a abajo
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logger.warn("Can't retrieve transformation from file '"+fName+"' use default.");
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ownTransformation = new AffineTransform(1, 0, 0, -1, 0, height);
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externalTransformation = (AffineTransform) ownTransformation.clone();
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overviewWidth = width;
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overviewHeight = height;
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this.georeferenced = false;
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} catch (Exception exc) {
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// Transformaci?n para ficheros sin georreferenciaci?n. Se invierte la Y
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// ya que las WC decrecen de
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// arriba a abajo y los pixeles crecen de arriba a abajo
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logger.warn("Can't retrieve transformation from file '"+fName+"' use default.", exc);
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ownTransformation = new AffineTransform(1, 0, 0, -1, 0, height);
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externalTransformation = (AffineTransform) ownTransformation.clone();
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overviewWidth = width;
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overviewHeight = height;
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this.georeferenced = false;
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}
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}
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/**
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* Returns true if this provider is open and false if don't
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* @return
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*/
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public boolean isOpen() {
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return open;
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}
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/**
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* Obtiene el flag que informa de si el raster tiene valor no data o no.
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* Consultar? todas las bandas del mismo y si alguna tiene valor no data
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* devuelve true sino devolver? false.
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* @return true si tiene valor no data y false si no lo tiene
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* @throws GdalException
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*/
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public boolean existsNoDataValue() throws GdalException {
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for (int i = 0; i < getRasterCount(); i++) {
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GdalRasterBand rb = getRasterBand(i + 1);
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if (rb.existsNoDataValue())
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return true;
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}
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return false;
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}
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/**
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* Obtiene el flag que informa de si el raster tiene valor no data o no
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* en una banda concreta.
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* @return true si tiene valor no data en esa banda y false si no lo tiene
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* @param band Posici?n de la banda a consultar (0..n)
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* @throws GdalException
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*/
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public boolean existsNoDataValue(int band) throws GdalException {
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GdalRasterBand rb = getRasterBand(band + 1);
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return rb.existsNoDataValue();
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}
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/**
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* Gets nodata value
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* @return
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*/
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public NoData getNoDataValue() {
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Number value = null;
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int type = getRasterBufTypeFromGdalType(getDataType()[0]);
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if (metadata != null && metadata.isNoDataEnabled() && metadata.getNoDataValue().length > 0) {
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switch (type) {
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case Buffer.TYPE_BYTE:
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if (metadata == null || metadata.getNoDataValue().length == 0)
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value = new Byte(RasterLibrary.defaultByteNoDataValue);
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else
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value = new Byte((byte)metadata.getNoDataValue()[0]);
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break;
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case Buffer.TYPE_SHORT:
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if (metadata == null || metadata.getNoDataValue().length == 0)
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value = new Short(RasterLibrary.defaultShortNoDataValue);
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else
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value = new Short((short)metadata.getNoDataValue()[0]);
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break;
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case Buffer.TYPE_INT:
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if (metadata == null || metadata.getNoDataValue().length == 0)
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value = new Integer((int)RasterLibrary.defaultIntegerNoDataValue);
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else
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value = new Integer((int)metadata.getNoDataValue()[0]);
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break;
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case Buffer.TYPE_FLOAT:
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if (metadata == null || metadata.getNoDataValue().length == 0)
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value = new Float(RasterLibrary.defaultFloatNoDataValue);
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else
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value = new Float(metadata.getNoDataValue()[0]);
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break;
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case Buffer.TYPE_DOUBLE:
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if (metadata == null || metadata.getNoDataValue().length == 0)
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value = new Double(RasterLibrary.defaultFloatNoDataValue);
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else
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value = new Double(metadata.getNoDataValue()[0]);
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break;
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}
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}
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NoData nodata = new DefaultNoData(value, value, fileName);
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nodata.setNoDataTransparent(false);
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return nodata;
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}
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/**
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* Asigna el tipo de dato
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* @param dt entero que representa el tipo de dato
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*/
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public void setDataType(int[] dt) {
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dataType = dt;
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}
|
|
369 |
|
|
370 |
/**
|
|
371 |
* Obtiene el tipo de dato
|
|
372 |
* @return entero que representa el tipo de dato
|
|
373 |
*/
|
|
374 |
public int[] getDataType() {
|
|
375 |
return dataType;
|
|
376 |
}
|
|
377 |
|
|
378 |
/**
|
|
379 |
* Gets the color interpretation
|
|
380 |
* @return
|
|
381 |
*/
|
|
382 |
public ColorInterpretation getColorInterpretation() {
|
|
383 |
return colorInterpr;
|
|
384 |
}
|
|
385 |
|
|
386 |
/**
|
|
387 |
* Gets the color table
|
|
388 |
* @return
|
|
389 |
*/
|
|
390 |
public ColorTable getColorTable() {
|
|
391 |
return palette;
|
|
392 |
}
|
|
393 |
|
|
394 |
/**
|
|
395 |
* Obtiene un punto 2D con las coordenadas del raster a partir de uno en coordenadas
|
|
396 |
* del punto real.
|
|
397 |
* Supone rasters no girados
|
|
398 |
* @param pt punto en coordenadas del punto real
|
|
399 |
* @return punto en coordenadas del raster
|
|
400 |
*/
|
|
401 |
public Point2D worldToRasterWithoutRot(Point2D pt) {
|
|
402 |
Point2D p = new Point2D.Double();
|
|
403 |
AffineTransform at = new AffineTransform( externalTransformation.getScaleX(), 0,
|
|
404 |
0, externalTransformation.getScaleY(),
|
|
405 |
externalTransformation.getTranslateX(), externalTransformation.getTranslateY());
|
|
406 |
try {
|
|
407 |
at.inverseTransform(pt, p);
|
|
408 |
} catch (NoninvertibleTransformException e) {
|
|
409 |
return pt;
|
|
410 |
}
|
|
411 |
return p;
|
|
412 |
}
|
|
413 |
|
|
414 |
/**
|
|
415 |
* Obtiene un punto 2D con las coordenadas del raster a partir de uno en coordenadas
|
|
416 |
* del punto real.
|
|
417 |
* Supone rasters no girados
|
|
418 |
* @param pt punto en coordenadas del punto real
|
|
419 |
* @return punto en coordenadas del raster
|
|
420 |
*/
|
|
421 |
public Point2D worldToRaster(Point2D pt) {
|
|
422 |
Point2D p = new Point2D.Double();
|
|
423 |
try {
|
|
424 |
externalTransformation.inverseTransform(pt, p);
|
|
425 |
} catch (NoninvertibleTransformException e) {
|
|
426 |
return pt;
|
|
427 |
}
|
|
428 |
return p;
|
|
429 |
}
|
|
430 |
|
|
431 |
/**
|
|
432 |
* Obtiene un punto del raster en coordenadas pixel a partir de un punto en coordenadas
|
|
433 |
* reales.
|
|
434 |
* @param pt Punto en coordenadas reales
|
|
435 |
* @return Punto en coordenadas pixel.
|
|
436 |
*/
|
|
437 |
public Point2D rasterToWorld(Point2D pt) {
|
|
438 |
Point2D p = new Point2D.Double();
|
|
439 |
externalTransformation.transform(pt, p);
|
|
440 |
return p;
|
|
441 |
}
|
|
442 |
|
|
443 |
/**
|
|
444 |
* Calcula el overview a usar. Hay que tener en cuenta que tenemos que tener calculadas las variables
|
|
445 |
* viewPortScale, currentFullWidth y currentFulHeight
|
|
446 |
* @param coordenada pixel expresada en double que indica la posici?n superior izquierda
|
|
447 |
* @throws GdalException
|
|
448 |
*/
|
|
449 |
private void calcOverview(Point2D tl, Point2D br) throws GdalException {
|
|
450 |
gdalBands[0] = getRasterBand(1);
|
|
451 |
currentOverview = -1;
|
|
452 |
if (gdalBands[0].getOverviewCount() > 0) {
|
|
453 |
GdalRasterBand ovb = null;
|
|
454 |
for (int i = gdalBands[0].getOverviewCount() - 1; i > 0; i--) {
|
|
455 |
ovb = gdalBands[0].getOverview(i);
|
|
456 |
if (ovb.getRasterBandXSize() > getRasterXSize() * viewportScaleX) {
|
|
457 |
currentOverview = i;
|
|
458 |
viewportScaleX *= ((double) width / (double) ovb.getRasterBandXSize());
|
|
459 |
viewportScaleY *= ((double) height / (double) ovb.getRasterBandYSize());
|
|
460 |
stepX = 1D / viewportScaleX;
|
|
461 |
stepY = 1D / viewportScaleY;
|
|
462 |
overviewWidth = ovb.getRasterBandXSize();
|
|
463 |
overviewHeight = ovb.getRasterBandYSize();
|
|
464 |
currentViewX = Math.min(tl.getX(), br.getX());
|
|
465 |
lastReadLine = Math.min(tl.getY(), br.getY());
|
|
466 |
break;
|
|
467 |
}
|
|
468 |
}
|
|
469 |
}
|
|
470 |
}
|
|
471 |
|
|
472 |
public void setView(double dWorldTLX, double dWorldTLY,
|
|
473 |
double dWorldBRX, double dWorldBRY,
|
|
474 |
int nWidth, int nHeight) throws GdalException {
|
|
475 |
overviewWidth = width;
|
|
476 |
overviewHeight = height;
|
|
477 |
Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY));
|
|
478 |
Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY));
|
|
479 |
// Calcula cual es la primera l?nea a leer;
|
|
480 |
currentViewWidth = nWidth;
|
|
481 |
currentViewHeight = nHeight;
|
|
482 |
// wcWidth = Math.abs(br.getX() - tl.getX());
|
|
483 |
|
|
484 |
currentViewX = Math.min(tl.getX(), br.getX());
|
|
485 |
|
|
486 |
viewportScaleX = (double) currentViewWidth / (br.getX() - tl.getX());
|
|
487 |
viewportScaleY = (double) currentViewHeight / (br.getY() - tl.getY());
|
|
488 |
stepX = 1D / viewportScaleX;
|
|
489 |
stepY = 1D / viewportScaleY;
|
|
490 |
|
|
491 |
lastReadLine = Math.min(tl.getY(), br.getY());
|
|
492 |
|
|
493 |
//Para lectura del renderizado (ARGB). readWindow selecciona las bandas que necesita.
|
|
494 |
|
|
495 |
// calcula el overview a usar
|
|
496 |
gdalBands = new GdalRasterBand[4];
|
|
497 |
calcOverview(tl, br);
|
|
498 |
}
|
|
499 |
|
|
500 |
/**
|
|
501 |
* Selecciona bandas y overview en el objeto GdalRasterBand[] para el n?mero de bandas solicitado.
|
|
502 |
* @param nbands N?mero de bandas solicitado.
|
|
503 |
* @throws GdalException
|
|
504 |
*/
|
|
505 |
public void selectGdalBands(int nbands) throws GdalException {
|
|
506 |
gdalBands = new GdalRasterBand[nbands];
|
|
507 |
// Selecciona las bandas y los overviews necesarios
|
|
508 |
gdalBands[0] = getRasterBand(1);
|
|
509 |
for (int i = 0; i < nbands; i++)
|
|
510 |
gdalBands[i] = gdalBands[0];
|
|
511 |
|
|
512 |
assignDataTypeFromGdalRasterBands(gdalBands);
|
|
513 |
// setDataType(gdalBands[0].getRasterDataType());
|
|
514 |
|
|
515 |
for (int i = 2; i <= nbands; i++) {
|
|
516 |
if (getRasterCount() >= i) {
|
|
517 |
gdalBands[i - 1] = getRasterBand(i);
|
|
518 |
for (int j = i; j < nbands; j++)
|
|
519 |
gdalBands[j] = gdalBands[i - 1];
|
|
520 |
}
|
|
521 |
}
|
|
522 |
|
|
523 |
if (currentOverview > 0) {
|
|
524 |
gdalBands[0] = gdalBands[0].getOverview(currentOverview);
|
|
525 |
for (int i = 2; i <= nbands; i++) {
|
|
526 |
if (getRasterCount() >= i)
|
|
527 |
gdalBands[i - 1] = gdalBands[i - 1].getOverview(currentOverview);
|
|
528 |
}
|
|
529 |
}
|
|
530 |
}
|
|
531 |
|
|
532 |
int lastY = -1;
|
|
533 |
|
|
534 |
/**
|
|
535 |
* Lee una l?nea de bytes
|
|
536 |
* @param line Buffer donde se cargan los datos
|
|
537 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
|
538 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
|
539 |
* por la izquierda a mitad de pixel
|
|
540 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
|
541 |
*/
|
|
542 |
private void readLine(byte[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
543 |
double j = 0D;
|
|
544 |
int i = 0;
|
|
545 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
546 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
547 |
line[iBand][i] = gdalBuffer[iBand].buffByte[(int) j];
|
|
548 |
}
|
|
549 |
}
|
|
550 |
}
|
|
551 |
|
|
552 |
/**
|
|
553 |
* Lee una l?nea de shorts
|
|
554 |
* @param line Buffer donde se cargan los datos
|
|
555 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
|
556 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
|
557 |
* por la izquierda a mitad de pixel
|
|
558 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
|
559 |
*/
|
|
560 |
private void readLine(short[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
561 |
double j = 0D;
|
|
562 |
int i = 0;
|
|
563 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
564 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
565 |
line[iBand][i] = (short) (gdalBuffer[iBand].buffShort[(int) j] & 0xffff);
|
|
566 |
}
|
|
567 |
}
|
|
568 |
}
|
|
569 |
|
|
570 |
/**
|
|
571 |
* Lee una l?nea de ints
|
|
572 |
* @param line Buffer donde se cargan los datos
|
|
573 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
|
574 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
|
575 |
* por la izquierda a mitad de pixel
|
|
576 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
|
577 |
*/
|
|
578 |
private void readLine(int[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
579 |
double j = 0D;
|
|
580 |
int i = 0;
|
|
581 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
582 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
583 |
line[iBand][i] = (gdalBuffer[iBand].buffInt[(int) j] & 0xffffffff);
|
|
584 |
}
|
|
585 |
}
|
|
586 |
}
|
|
587 |
|
|
588 |
/**
|
|
589 |
* Lee una l?nea de float
|
|
590 |
* @param line Buffer donde se cargan los datos
|
|
591 |
* @param initOffset Desplazamiento inicial desde el margen izquierdo. Esto es necesario para cuando
|
|
592 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
|
593 |
* por la izquierda a mitad de pixel
|
|
594 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
|
595 |
*/
|
|
596 |
private void readLine(float[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
597 |
double j = 0D;
|
|
598 |
int i = 0;
|
|
599 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
600 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
601 |
line[iBand][i] = gdalBuffer[iBand].buffFloat[(int) j];
|
|
602 |
}
|
|
603 |
}
|
|
604 |
}
|
|
605 |
|
|
606 |
/**
|
|
607 |
* Lee una l?nea de doubles
|
|
608 |
* @param line Buffer donde se cargan los datos
|
|
609 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando
|
|
610 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse
|
|
611 |
* por la izquierda a mitad de pixel
|
|
612 |
* @param gdalBuffer Buffer con la l?nea de datos original
|
|
613 |
*/
|
|
614 |
private void readLine(double[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
615 |
double j = 0D;
|
|
616 |
int i = 0;
|
|
617 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
618 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
619 |
line[iBand][i] = gdalBuffer[iBand].buffDouble[(int) j];
|
|
620 |
}
|
|
621 |
}
|
|
622 |
}
|
|
623 |
|
|
624 |
/**
|
|
625 |
* Lee una l?nea completa del raster y devuelve un array del tipo correcto. Esta funci?n es util
|
|
626 |
* para una lectura rapida de todo el fichero sin necesidad de asignar vista.
|
|
627 |
* @param nLine N?mero de l?nea a leer
|
|
628 |
* @param band Banda requerida
|
|
629 |
* @return Object que es un array unidimendional del tipo de datos del raster
|
|
630 |
* @throws GdalException
|
|
631 |
*/
|
|
632 |
public Object readCompleteLine(int nLine, int band) throws GdalException {
|
|
633 |
GdalRasterBand gdalBand = super.getRasterBand(band + 1);
|
|
634 |
GdalBuffer gdalBuf = null;
|
|
635 |
|
|
636 |
gdalBuf = gdalBand.readRaster(0, nLine, getRasterXSize(), 1, getRasterXSize(), 1, dataType[band]);
|
|
637 |
|
|
638 |
if (dataType[band] == GDT_Byte)
|
|
639 |
return gdalBuf.buffByte;
|
|
640 |
|
|
641 |
if (dataType[band] == GDT_Int16 || dataType[band] == GDT_UInt16)
|
|
642 |
return gdalBuf.buffShort;
|
|
643 |
|
|
644 |
if (dataType[band] == GDT_Int32 || dataType[band] == GDT_UInt32)
|
|
645 |
return gdalBuf.buffInt;
|
|
646 |
|
|
647 |
if (dataType[band] == GDT_Float32)
|
|
648 |
return gdalBuf.buffFloat;
|
|
649 |
|
|
650 |
if (dataType[band] == GDT_Float64)
|
|
651 |
return gdalBuf.buffDouble;
|
|
652 |
|
|
653 |
if (dataType[band] == GDT_CInt16 || dataType[band] == GDT_CInt32 ||
|
|
654 |
dataType[band] == GDT_CFloat32 || dataType[band] == GDT_CFloat64)
|
|
655 |
return null;
|
|
656 |
|
|
657 |
return null;
|
|
658 |
}
|
|
659 |
|
|
660 |
/**
|
|
661 |
* Lee una bloque completo del raster y devuelve un array tridimensional del tipo correcto. Esta funci?n es util
|
|
662 |
* para una lectura rapida de todo el fichero sin necesidad de asignar vista.
|
|
663 |
* @param nLine N?mero de l?nea a leer
|
|
664 |
* @param band Banda requerida
|
|
665 |
* @return Object que es un array unidimendional del tipo de datos del raster
|
|
666 |
* @throws GdalException
|
|
667 |
*/
|
|
668 |
public Object readBlock(int pos, int blockHeight, double scale) throws GdalException, ProcessInterruptedException {
|
|
669 |
bBandNr = super.getRasterCount();
|
|
670 |
int widthBuffer = (int)(getRasterXSize() * scale);
|
|
671 |
int heightBuffer = (int)(blockHeight * scale);
|
|
672 |
|
|
673 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + "");
|
|
674 |
|
|
675 |
GdalRasterBand[] gdalBand = new GdalRasterBand[bBandNr];
|
|
676 |
for (int iBand = 0; iBand < gdalBand.length; iBand++)
|
|
677 |
gdalBand[iBand] = super.getRasterBand(iBand + 1);
|
|
678 |
|
|
679 |
GdalBuffer[] gdalBuf = new GdalBuffer[bBandNr];
|
|
680 |
|
|
681 |
if (dataType[0] == GDT_Byte) {
|
|
682 |
byte[][][] buf = new byte[bBandNr][heightBuffer][widthBuffer];
|
|
683 |
for (int iBand = 0; iBand < gdalBuf.length; iBand++) {
|
|
684 |
gdalBuf[iBand] = gdalBand[iBand].readRaster(0, pos, getRasterXSize(), blockHeight, widthBuffer, heightBuffer, dataType[0]);
|
|
685 |
for (int iRow = 0; iRow < heightBuffer; iRow++) {
|
|
686 |
for (int iCol = 0; iCol < widthBuffer; iCol++)
|
|
687 |
buf[iBand][iRow][iCol] = gdalBuf[iBand].buffByte[iRow * widthBuffer + iCol];
|
|
688 |
if(task.getEvent() != null)
|
|
689 |
task.manageEvent(task.getEvent());
|
|
690 |
}
|
|
691 |
gdalBuf[iBand].buffByte = null;
|
|
692 |
}
|
|
693 |
return buf;
|
|
694 |
} else if (dataType[0] == GDT_CInt16 || dataType[0] == GDT_Int16 || dataType[0] == GDT_UInt16) {
|
|
695 |
short[][][] buf = new short[bBandNr][heightBuffer][widthBuffer];
|
|
696 |
for (int iBand = 0; iBand < gdalBuf.length; iBand++) {
|
|
697 |
gdalBuf[iBand] = gdalBand[iBand].readRaster(0, pos, getRasterXSize(), blockHeight, widthBuffer, heightBuffer, dataType[0]);
|
|
698 |
for (int iRow = 0; iRow < heightBuffer; iRow++) {
|
|
699 |
for (int iCol = 0; iCol < widthBuffer; iCol++)
|
|
700 |
buf[iBand][iRow][iCol] = gdalBuf[iBand].buffShort[iRow * widthBuffer + iCol];
|
|
701 |
if(task.getEvent() != null)
|
|
702 |
task.manageEvent(task.getEvent());
|
|
703 |
}
|
|
704 |
gdalBuf[iBand].buffShort = null;
|
|
705 |
}
|
|
706 |
return buf;
|
|
707 |
} else if (dataType[0] == GDT_CInt32 || dataType[0] == GDT_Int32 || dataType[0] == GDT_UInt32) {
|
|
708 |
int[][][] buf = new int[bBandNr][heightBuffer][widthBuffer];
|
|
709 |
for (int iBand = 0; iBand < gdalBuf.length; iBand++) {
|
|
710 |
gdalBuf[iBand] = gdalBand[iBand].readRaster(0, pos, getRasterXSize(), blockHeight, widthBuffer, heightBuffer, dataType[0]);
|
|
711 |
for (int iRow = 0; iRow < heightBuffer; iRow++) {
|
|
712 |
for (int iCol = 0; iCol < widthBuffer; iCol++)
|
|
713 |
buf[iBand][iRow][iCol] = gdalBuf[iBand].buffInt[iRow * widthBuffer + iCol];
|
|
714 |
if(task.getEvent() != null)
|
|
715 |
task.manageEvent(task.getEvent());
|
|
716 |
}
|
|
717 |
gdalBuf[iBand].buffInt = null;
|
|
718 |
}
|
|
719 |
return buf;
|
|
720 |
} else if(dataType[0] == GDT_Float32 || dataType[0] == GDT_CFloat32) {
|
|
721 |
float[][][] buf = new float[bBandNr][heightBuffer][widthBuffer];
|
|
722 |
for (int iBand = 0; iBand < gdalBuf.length; iBand++) {
|
|
723 |
gdalBuf[iBand] = gdalBand[iBand].readRaster(0, pos, getRasterXSize(), blockHeight, widthBuffer, heightBuffer, dataType[0]);
|
|
724 |
for (int iRow = 0; iRow < heightBuffer; iRow++) {
|
|
725 |
for (int iCol = 0; iCol < widthBuffer; iCol++)
|
|
726 |
buf[iBand][iRow][iCol] = gdalBuf[iBand].buffFloat[iRow * widthBuffer + iCol];
|
|
727 |
if(task.getEvent() != null)
|
|
728 |
task.manageEvent(task.getEvent());
|
|
729 |
}
|
|
730 |
gdalBuf[iBand].buffFloat = null;
|
|
731 |
}
|
|
732 |
return buf;
|
|
733 |
} else if(dataType[0] == GDT_Float64 || dataType[0] == GDT_CFloat64) {
|
|
734 |
double[][][] buf = new double[bBandNr][heightBuffer][widthBuffer];
|
|
735 |
for (int iBand = 0; iBand < gdalBuf.length; iBand++) {
|
|
736 |
gdalBuf[iBand] = gdalBand[iBand].readRaster(0, pos, getRasterXSize(), blockHeight, widthBuffer, heightBuffer, dataType[0]);
|
|
737 |
for (int iRow = 0; iRow < heightBuffer; iRow++) {
|
|
738 |
for (int iCol = 0; iCol < widthBuffer; iCol++)
|
|
739 |
buf[iBand][iRow][iCol] = gdalBuf[iBand].buffDouble[iRow * widthBuffer + iCol];
|
|
740 |
if(task.getEvent() != null)
|
|
741 |
task.manageEvent(task.getEvent());
|
|
742 |
}
|
|
743 |
gdalBuf[iBand].buffDouble = null;
|
|
744 |
}
|
|
745 |
return buf;
|
|
746 |
}
|
|
747 |
|
|
748 |
return null;
|
|
749 |
}
|
|
750 |
|
|
751 |
/**
|
|
752 |
* Lectura de una l?nea de datos.
|
|
753 |
* @param line
|
|
754 |
* @throws GdalException
|
|
755 |
*/
|
|
756 |
public void readLine(Object line) throws GdalException {
|
|
757 |
int w = (int) (Math.ceil(((double)currentViewWidth)*stepX) + 1);
|
|
758 |
int x = (int) (currentViewX);
|
|
759 |
int y = (int) (lastReadLine);
|
|
760 |
GdalBuffer r = null, g = null, b = null;
|
|
761 |
GdalBuffer a = new GdalBuffer();
|
|
762 |
|
|
763 |
while(y >= gdalBands[0].getRasterBandYSize())
|
|
764 |
y--;
|
|
765 |
|
|
766 |
if (x+w > gdalBands[0].getRasterBandXSize())
|
|
767 |
w = gdalBands[0].getRasterBandXSize()-x;
|
|
768 |
|
|
769 |
if(gdalBands[0].getRasterColorTable() != null) {
|
|
770 |
palette = new DataStoreColorTable(gdalColorTable2ColorItems(gdalBands[0].getRasterColorTable()), false);
|
|
771 |
r = gdalBands[0].readRaster(x, y, w, 1, w, 1, dataType[0]);
|
|
772 |
} else {
|
|
773 |
a.buffByte = new byte[w];
|
|
774 |
r = gdalBands[0].readRaster(x, y, w, 1, w, 1, dataType[0]);
|
|
775 |
g = b = r;
|
|
776 |
if (getRasterCount() > 1 && gdalBands[1] != null)
|
|
777 |
g = gdalBands[1].readRaster(x, y, w, 1, w, 1, dataType[0]);
|
|
778 |
if (getRasterCount() > 2 && gdalBands[2] != null)
|
|
779 |
b = gdalBands[2].readRaster(x, y, w, 1, w, 1, dataType[0]);
|
|
780 |
}
|
|
781 |
|
|
782 |
lastReadLine += stepY;
|
|
783 |
|
|
784 |
double initOffset = Math.abs(currentViewX - ((int)currentViewX));
|
|
785 |
GdalBuffer[] bands = {r, g, b};
|
|
786 |
|
|
787 |
if (dataType[0] == GDT_Byte)
|
|
788 |
readLine((byte[][])line, initOffset, bands);
|
|
789 |
else if (dataType[0] == GDT_CInt16 || dataType[0] == GDT_Int16 || dataType[0] == GDT_UInt16)
|
|
790 |
readLine((short[][])line, initOffset, bands);
|
|
791 |
else if (dataType[0] == GDT_CInt32 || dataType[0] == GDT_Int32 || dataType[0] == GDT_UInt32)
|
|
792 |
readLine((int[][])line, initOffset, bands);
|
|
793 |
else if(dataType[0] == GDT_Float32 || dataType[0] == GDT_CFloat32)
|
|
794 |
readLine((float[][])line, initOffset, bands);
|
|
795 |
else if(dataType[0] == GDT_Float64 || dataType[0] == GDT_CFloat64)
|
|
796 |
readLine((double[][])line, initOffset, bands);
|
|
797 |
|
|
798 |
return;
|
|
799 |
}
|
|
800 |
|
|
801 |
private List<ColorItem> gdalColorTable2ColorItems(GdalColorTable table) {
|
|
802 |
try {
|
|
803 |
List<ColorItem> colorItems = new ArrayList<ColorItem>();
|
|
804 |
for (int iEntry = 0; iEntry < table.getColorEntryCount(); iEntry++) {
|
|
805 |
GdalColorEntry entry = table.getColorEntryAsRGB(iEntry);
|
|
806 |
|
|
807 |
ColorItem colorItem = new ColorItemImpl();
|
|
808 |
colorItem.setNameClass("");
|
|
809 |
colorItem.setValue(iEntry);
|
|
810 |
colorItem.setColor(new Color( (int) (entry.c1 & 0xff),
|
|
811 |
(int) (entry.c2 & 0xff),
|
|
812 |
(int) (entry.c3 & 0xff),
|
|
813 |
(int) (entry.c4 & 0xff)));
|
|
814 |
|
|
815 |
colorItems.add(colorItem);
|
|
816 |
}
|
|
817 |
return colorItems;
|
|
818 |
} catch (GdalException ex) {
|
|
819 |
// No se crea la paleta
|
|
820 |
}
|
|
821 |
return null;
|
|
822 |
}
|
|
823 |
|
|
824 |
|
|
825 |
/**
|
|
826 |
* Cuando se hace una petici?n de carga de buffer la extensi?n pedida puede
|
|
827 |
* estar ajustada a la extensi?n del raster o no estarlo. En caso de no
|
|
828 |
* estarlo los pixeles del buffer que caen fuera de la extensi?n del raster
|
|
829 |
* tendr?n valor de NoData. Esta funci?n calcula en que pixel del buffer hay
|
|
830 |
* que empezar a escribir en caso de que este sea mayor que los datos a leer.
|
|
831 |
*
|
|
832 |
* @param dWorldTLX Posici?n X superior izquierda en coord reales
|
|
833 |
* @param dWorldTLY Posici?n Y superior izquierda en coord reales
|
|
834 |
* @param dWorldBRX Posici?n X inferior derecha en coord reales
|
|
835 |
* @param dWorldBRY Posici?n Y inferior derecha en coord reales
|
|
836 |
* @param nWidth Ancho en pixeles del buffer
|
|
837 |
* @param nHeight Alto en pixeles del buffer
|
|
838 |
* @return desplazamiento dentro del buffer en X e Y
|
|
839 |
*/
|
|
840 |
private int[] calcStepBuffer(Extent dataExtent, int nWidth, int nHeight, int[] stpBuffer) {
|
|
841 |
Extent imageExtent = getExtentWithoutRot();
|
|
842 |
Extent ajustDataExtent = RasterLocator.getManager().getRasterUtils().calculateAdjustedView(dataExtent, imageExtent);
|
|
843 |
if(!RasterLocator.getManager().getRasterUtils().compareExtents(dataExtent, ajustDataExtent)){
|
|
844 |
Point2D p1 = worldToRasterWithoutRot(new Point2D.Double(ajustDataExtent.minX(), ajustDataExtent.maxY()));
|
|
845 |
Point2D p2 = worldToRasterWithoutRot(new Point2D.Double(ajustDataExtent.maxX(), ajustDataExtent.minY()));
|
|
846 |
Point2D p3 = worldToRasterWithoutRot(new Point2D.Double(dataExtent.minX(), dataExtent.maxY()));
|
|
847 |
// Point2D p4 = worldToRasterWithoutRot(new Point2D.Double(dataExtent.maxX(), dataExtent.minY()));
|
|
848 |
//Ese es el ancho y alto q tendr?a el buffer en caso de haberse ajustado
|
|
849 |
int w = (int)Math.abs(Math.ceil(p2.getX()) - Math.floor(p1.getX()));
|
|
850 |
int h = (int)Math.abs(Math.floor(p1.getY()) - Math.ceil(p2.getY()));
|
|
851 |
|
|
852 |
stpBuffer[0] = (int)(p1.getX() + (-p3.getX()));
|
|
853 |
stpBuffer[1] = (int)(p1.getY() + (-p3.getY()));
|
|
854 |
stpBuffer[2] = stpBuffer[0] + w;
|
|
855 |
stpBuffer[3] = stpBuffer[1] + h;
|
|
856 |
return new int[]{w, h};
|
|
857 |
}
|
|
858 |
return new int[]{nWidth, nHeight};
|
|
859 |
}
|
|
860 |
|
|
861 |
/**
|
|
862 |
* Lee una ventana de datos sin resampleo a partir de coordenadas reales.
|
|
863 |
* @param buf Buffer donde se almacenan los datos
|
|
864 |
* @param bandList Lista de bandas que queremos leer y sobre que bandas del buffer de destino queremos escribirlas
|
|
865 |
* @param dWorldTLX Posici?n X superior izquierda en coord reales
|
|
866 |
* @param dWorldTLY Posici?n Y superior izquierda en coord reales
|
|
867 |
* @param dWorldBRX Posici?n X inferior derecha en coord reales
|
|
868 |
* @param dWorldBRY Posici?n Y inferior derecha en coord reales
|
|
869 |
* @param nWidth Ancho en pixeles del buffer
|
|
870 |
* @param nHeight Alto en pixeles del buffer
|
|
871 |
* @throws GdalException
|
|
872 |
*/
|
|
873 |
public void readWindow(Buffer buf, BandList bandList, double ulx, double uly,double lrx, double lry,
|
|
874 |
int nWidth, int nHeight, boolean adjustToExtent, TaskStatus status) throws GdalException, ProcessInterruptedException {
|
|
875 |
Extent petExtent = new ExtentImpl(ulx, uly, lrx, lry);
|
|
876 |
setView(ulx, uly, lrx, lry, nWidth, nHeight);
|
|
877 |
Point2D tl = worldToRaster(new Point2D.Double(ulx, uly));
|
|
878 |
Point2D br = worldToRaster(new Point2D.Double(lrx, lry));
|
|
879 |
|
|
880 |
if(tl.getX() > br.getX())
|
|
881 |
tl.setLocation(tl.getX() - 1, tl.getY());
|
|
882 |
else
|
|
883 |
br.setLocation(br.getX() - 1, br.getY());
|
|
884 |
|
|
885 |
if(tl.getY() > br.getY())
|
|
886 |
tl.setLocation(tl.getX(), tl.getY() - 1);
|
|
887 |
else
|
|
888 |
br.setLocation(br.getX(), br.getY() - 1);
|
|
889 |
|
|
890 |
if(gdalBands.length == 0)
|
|
891 |
return;
|
|
892 |
|
|
893 |
selectGdalBands(/*buf.getBandCount()*/getRasterCount());
|
|
894 |
|
|
895 |
int x = (int) Math.round(Math.min(tl.getX(), br.getX()));
|
|
896 |
int y = (int) Math.round(Math.min(tl.getY(), br.getY()));
|
|
897 |
|
|
898 |
int[] stpBuffer = new int[]{0, 0 , buf.getWidth(), buf.getHeight()};
|
|
899 |
//Si el buffer no se ajusta al extent entonces calculamos en que posici?n comienza a escribirse dentro del buffer
|
|
900 |
//ya que lo que cae fuera ser?n valores NoData
|
|
901 |
if(!adjustToExtent){
|