root / trunk / libraries / libRaster / src / org / gvsig / raster / dataset / MultiRasterDataset.java @ 20866
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.raster.dataset; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.raster.RasterLibrary; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.buffer.cache.RasterReadOnlyBuffer; |
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import org.gvsig.raster.dataset.io.RasterDriverException; |
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import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
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import org.gvsig.raster.dataset.properties.DatasetListHistogram; |
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import org.gvsig.raster.dataset.properties.DatasetListStatistics; |
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import org.gvsig.raster.datastruct.ColorTable; |
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import org.gvsig.raster.datastruct.Extent; |
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import org.gvsig.raster.datastruct.GeoPoint; |
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import org.gvsig.raster.datastruct.Histogram; |
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import org.gvsig.raster.datastruct.HistogramException; |
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import org.gvsig.raster.datastruct.Transparency; |
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/**
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* Clase que representa una imagen de raster georreferenciada formada por varias
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* imagenes de disco que tienen la misma extensi?n. Contiene funcionalidades
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* para abrir ficheros, gestionar el extent, pintar el raster sobre un DataImage
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* con su gesti?n de bandas correspondiente.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class MultiRasterDataset implements IRasterDataSource { |
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// File list
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private ArrayList files = new ArrayList(); |
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// Band list
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private BandList bandList = new BandList(); |
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protected DatasetListStatistics stats = null; |
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protected DatasetListHistogram histogram = null; |
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/**
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* Flag que fuerza al buffer de solo lectura
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*/
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private boolean readOnly = false; |
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/**
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* Flag que fuerza al buffer en memoria
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*/
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private boolean forceToMemory = false; |
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int percent = 0; |
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//TODO: FUNCIONALIDAD: Contructores igual a RasterDataset + String[] nameFiles
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public MultiRasterDataset() {
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} |
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/**
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* Crea un objeto MultiRasterDataset nuevo con los mismos ficheros
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* que el actual.
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* @return MultiRasterDataset
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*/
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public IRasterDataSource newDataset() {
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try {
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String[] fileList = getNameDatasetStringList(0, 0); |
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MultiRasterDataset multiRasterDataset = MultiRasterDataset.open(getDataset(0)[0].getProjection(), fileList[0]); |
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for (int j = 1; j < fileList.length; j++) |
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multiRasterDataset.addDataset(new String[] { fileList[j] }); |
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return multiRasterDataset;
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} catch (FileNotFoundInListException e) {
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return null; |
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} catch (NotSupportedExtensionException e) {
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return null; |
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} catch (RasterDriverException e) {
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return null; |
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} |
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} |
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/**
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* Abre un dataset pasando como par?metros la proyecci?n y un objeto identificador del dataset. Este
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* objeto puede ser una ruta a un fichero en disco. En este caso la extensi?n del fichero servir? para
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* buscar el driver que lo gestiona. Si proporcionamos un array de cadenas se tratar?n como la ruta a N ficheros
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* de disco. Tambi?n puede ser un buffer de datos en memoria o cualquier otro objeto
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* que pueda aceptar un driver.
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* @param proj PRoyecci?n
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* @param datasetOpenParam Par?metros al driver
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* @return RasterMultiDatset
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* @throws NotSupportedExtensionException
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* @throws RasterDriverException
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*/
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public static MultiRasterDataset open(IProjection proj, Object datasetOpenParam) throws NotSupportedExtensionException, RasterDriverException{ |
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MultiRasterDataset rmd = new MultiRasterDataset();
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if (datasetOpenParam instanceof String[]) { |
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String[] param = (String[]) datasetOpenParam; |
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for (int dataset = 0; dataset < param.length; dataset++) |
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try {
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rmd.addDataset(new RasterDataset[] { RasterDataset.open(proj, param[dataset]) }); |
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} catch (FileNotFoundInListException e) {
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// No lo a?adimos en el dataset pq ya existe
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} |
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} else
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if (datasetOpenParam instanceof IBuffer[]) { |
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IBuffer[] param = (IBuffer[]) datasetOpenParam; |
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for (int dataset = 0; dataset < param.length; dataset++) |
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try {
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rmd.addDataset(new RasterDataset[] { RasterDataset.open(proj, param[dataset]) }); |
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} catch (FileNotFoundInListException e) {
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// No lo a?adimos en el dataset pq ya existe
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} |
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} else {
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RasterDataset rd = RasterDataset.open(proj, datasetOpenParam); |
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try {
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rmd.addDataset(new RasterDataset[] { rd }); |
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} catch (FileNotFoundInListException e) {
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// No lo a?adimos en el dataset pq ya existe
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} |
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} |
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return rmd;
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} |
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/**
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* A?ade un fichero a la lista que componen el multi raster. El array solo debe tener un
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* elemento ya que solo tiene sentido para este caso con un elemento. ?Ojo!, a?adir m?s elementos
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* al array no hace que se a?adan varios datasets a la lista.
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* @param f A?ade el elemento 0 a la lista.
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*/
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public void addDataset(RasterDataset[] f)throws FileNotFoundInListException { |
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if(f.length != 1) |
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throw new FileNotFoundInListException("Error in list."); |
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if(findDataset(f[0])) |
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throw new FileNotFoundInListException("The file already is in list."); |
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files.add(f[0]);
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addBands(f[0]);
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if(stats == null) |
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stats = new DatasetListStatistics(files);
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else
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stats.addDataset(f[0]);
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} |
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/**
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* A?ade un fichero a la lista que componen el multi raster a partir de su nombre. El array solo debe tener un
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* elemento ya que solo tiene sentido para este caso con un elemento. ?Ojo!, a?adir m?s elementos
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* al array no hace que se a?adan varios datasets a la lista.
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* @param f A?ade el elemento 0 a la lista.
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*/
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public void addDataset(String[] fileName)throws FileNotFoundInListException, NotSupportedExtensionException, RasterDriverException { |
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if(fileName.length != 1) |
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throw new FileNotFoundInListException("Error in list."); |
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if(findDataset(fileName[0])) |
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throw new FileNotFoundInListException("The file already is in list."); |
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RasterDataset f = RasterDataset.open(null, fileName[0]); |
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files.add(f); |
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addBands(f); |
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if(stats == null) |
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stats = new DatasetListStatistics(files);
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else
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stats.addDataset(f); |
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} |
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/**
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* A?ade el fichero a lista de georrasterfiles y sus bandas a la lista de bandas
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* @param grf
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*/
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private void addBands(RasterDataset grf) { |
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if(grf == null) |
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return;
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for(int i = 0; i < grf.getBandCount();i++) { |
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try {
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int dataType = grf.getDataType()[i];
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Band band = new Band(grf.getFName(), i, dataType);
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bandList.addBand(band, i); |
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} catch(BandNotFoundInListException ex) {
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//No a?adimos la banda
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} |
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} |
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} |
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/**
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* Elimina un fichero a la lista a partir de su nombre
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* @param fileName Nombre del fichero a eliminar.
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*/
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public void removeDataset(String fileName) { |
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for(int i=0;i<files.size();i++) { |
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if(((RasterDataset)files.get(i)).getFName().equals(fileName)) {
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files.remove(i); |
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bandList.removeBands(fileName); |
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return;
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} |
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} |
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} |
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/**
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* Elimina un fichero a la lista
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* @param file Fichero a eliminar
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*/
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public void removeDataset(RasterDataset file) { |
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for(int i=0;i<files.size();i++) { |
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if(((RasterDataset)files.get(i)).getFName().equals(file.getFName())) {
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files.remove(i); |
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bandList.removeBands(file.getFName()); |
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return;
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} |
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} |
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} |
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/**
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* Obtiene el n?mero de ficheros en la lista
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* @return integer.
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*/
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public int getDatasetCount() { |
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return files.size();
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} |
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/**
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* Encuentra un fichero en la lista.
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* @param file Fichero b?scado.
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* @return true si se ha hallado el fichero y false si no se
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* ha encontrado
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*/
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public boolean findDataset(RasterDataset file) { |
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for(int i = 0;i < files.size(); i++) { |
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RasterDataset grf = (RasterDataset)files.get(i); |
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if( grf.getFName().equals(file.getFName()))
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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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* Encuentra un fichero en la lista.
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* @param file Fichero b?scado.
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* @return true si se ha hallado el fichero y false si no se
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* ha encontrado
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*/
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public boolean findDataset(String fileName) { |
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for(int i = 0;i<files.size();i++) { |
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if(((RasterDataset)files.get(i)).getFName().equals(fileName))
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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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* Cierra la lista de datasets asociados al MultiRasterDataset
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*/
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public void close() { |
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for(int i = 0; i < files.size(); i++) |
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((RasterDataset)files.get(i)).close(); |
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files.clear(); |
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bandList.clear(); |
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} |
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/**
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* Obtiene en un array de String la lista de nombres de ficheros.
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* @param i Para un MultiRasterDataset el par?metro es ignorado
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* @param j Para un MultiRasterDataset el par?metro es ignorado
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* @return lista de nombres de los ficheros del GeoRasterMultiFile
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*/
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public String[] getNameDatasetStringList(int i, int j) { |
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String[] list = new String[files.size()]; |
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for(int k = 0; k < files.size(); k++) |
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list[k] = ((RasterDataset)files.get(k)).getFName(); |
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return list;
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} |
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/**
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* Inicializa el buffer a valores NoData
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* @param raster Buffer a inicializar
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* @param bandList Lista de bandas
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*/
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private void initBufferToNoData(IBuffer raster, BandList bandList) { |
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for(int i = 0; i < bandList.getDrawableBandsCount(); i++) { |
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switch(getDataType()[0]) { |
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case IBuffer.TYPE_BYTE:raster.assign(i, raster.getByteNoDataValue());break; |
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case IBuffer.TYPE_SHORT:raster.assign(i, raster.getShortNoDataValue());break; |
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case IBuffer.TYPE_INT:raster.assign(i, raster.getIntNoDataValue());break; |
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case IBuffer.TYPE_FLOAT:raster.assign(i, raster.getFloatNoDataValue());break; |
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case IBuffer.TYPE_DOUBLE:raster.assign(i, raster.getNoDataValue());break; |
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} |
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} |
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} |
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/**
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* A partir de la lista de bandas que dice como cargar el buffer se crean tantos IBuffer como ficheros intervienen
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* . Cada IBuffer corresponde a un dataset del RasterMultiDataset y en ellos se reserva memoria solo para las
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* bandas que vayan a ser cargadas. Las otras se asignaran a la banda NotValid.
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* @param bl Lista de bandas
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* @param width Ancho
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* @param height Alto
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* @return Lista de buffers en el que cada uno corresponde a un dataset.
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*/
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private IBuffer[] mallocBuffersDatasets(BandList bl, int width, int height) { |
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IBuffer[] buffers = new IBuffer[getDatasetCount()]; |
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for(int i = 0; i < getDatasetCount(); i++) { |
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if(forceToMemory)
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buffers[i] = RasterBuffer.getMemoryBuffer(getDataset(i)[0].getDataType()[0], width, height, getDataset(i)[0].getBandCount(), false); |
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else
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buffers[i] = RasterBuffer.getBuffer(getDataset(i)[0].getDataType()[0], width, height, getDataset(i)[0].getBandCount(), false); |
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//Asignamos las bandas de cada fichero que no se pintan a null y las que se pintan se reserva memoria
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String name = getDataset(i)[0].getFName(); |
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for(int j = 0; j < getDataset(i)[0].getBandCount(); j ++) { |
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if(bl.getBufferBandToDraw(name, j) == null) |
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buffers[i].assignBandToNotValid(j); |
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else
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buffers[i].mallocOneBand(getDataset(i)[0].getDataType()[0], width, height, j); |
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} |
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} |
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return buffers;
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} |
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/**
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* Mezcla los buffers de los dataset que forman el RasterMultiDataset sobre un solo buffer
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* con las directrices que marca la lista de bandas. Esta funci?n es la que realiza el switch
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* de las bandas.
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* @param b Buffer sobre el que se mezcla
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* @param bDataset Buffers que corresponden a los datasets
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* @param bandList Objeto que contiene la informaci?n de que bandas de los dataset se escriben sobre
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* que banda del buffer.
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*/
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private void mergeBuffers(IBuffer b, IBuffer[] bDataset, BandList bandList) { |
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for(int iDataset = 0; iDataset < getDatasetCount(); iDataset++){ //Ojo! Los datasets est?n en la misma posici?n que se han metido en mallocBuffersDatasets |
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String name = getDataset(iDataset)[0].getFName(); |
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for(int iBand = 0; iBand < getDataset(iDataset)[0].getBandCount(); iBand ++) { |
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int[] posToDraw = bandList.getBufferBandToDraw(name, iBand); |
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if(posToDraw != null) { |
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for(int i = 0; i < posToDraw.length; i ++) { |
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switch(getDataType()[iDataset]) {
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case IBuffer.TYPE_BYTE: b.assignBand(posToDraw[i], bDataset[iDataset].getBand(iBand)); break; |
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case IBuffer.TYPE_SHORT: b.assignBand(posToDraw[i], bDataset[iDataset].getBand(iBand)); break; |
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case IBuffer.TYPE_INT: b.assignBand(posToDraw[i], bDataset[iDataset].getBand(iBand)); break; |
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case IBuffer.TYPE_FLOAT: b.assignBand(posToDraw[i], bDataset[iDataset].getBand(iBand)); break; |
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case IBuffer.TYPE_DOUBLE: b.assignBand(posToDraw[i], bDataset[iDataset].getBand(iBand)); break; |
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} |
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} |
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} |
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} |
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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 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 adjustToExtent Flag que dice si el extent solicitado debe ajustarse al extent del raster o no.
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* @param bandList
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* @return Buffer de datos
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*/
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public IBuffer getWindowRaster(double ulx, double uly, double lrx, double lry) |
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throws InvalidSetViewException, InterruptedException, RasterDriverException { |
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//Extent selectedExtent = new Extent(ulx, uly, lrx, lry);
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//Leemos pixels completos aunque el valor obtenido sea decimal. Esto se consigue redondeando
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//por arriba el m?s alto y por abajo el menor y luego restandolos
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Point2D p1 = ((RasterDataset)files.get(0)).worldToRaster(new Point2D.Double(ulx, uly)); |
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Point2D p2 = ((RasterDataset)files.get(0)).worldToRaster(new Point2D.Double(lrx, lry)); |
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//Para el valor mayor redondeamos por arriba. Para el valor menor redondeamos por abajo.
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double p1X = (p1.getX() > p2.getX()) ? Math.ceil(p1.getX()) : Math.floor(p1.getX()); |
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double p1Y = (p1.getY() > p2.getY()) ? Math.ceil(p1.getY()) : Math.floor(p1.getY()); |
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double p2X = (p2.getX() > p1.getX()) ? Math.ceil(p2.getX()) : Math.floor(p2.getX()); |
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double p2Y = (p2.getY() > p1.getY()) ? Math.ceil(p2.getY()) : Math.floor(p2.getY()); |
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int width = (int)Math.abs(p1X - p2X); |
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int height = (int)Math.abs(p1Y - p2Y); |
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//Ajustamos por si nos hemos salido del raster
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while(((int)(p1X + width)) > getWidth()) |
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width --; |
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while(((int)(p1Y + height)) > getHeight()) |
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height --; |
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if (p1X < 0) |
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p1X = 0;
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if (p1Y < 0) |
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p1Y = 0;
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if (p2X > getWidth())
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p2X = getWidth(); |
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if (p2Y > getHeight())
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p2Y = getHeight(); |
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int mallocNBands = 0; |
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if(bandList.getDrawableBands() != null) |
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mallocNBands = bandList.getDrawableBands().length; |
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else
|
| 407 |
mallocNBands = bandList.getDrawableBandsCount(); |
| 408 |
|
| 409 |
//Buffer ReadOnly
|
| 410 |
|
| 411 |
if(isReadOnly()) {
|
| 412 |
RasterBuffer rb = RasterBuffer.getReadOnlyBuffer(getDataType()[0], width, height, getBandCount());
|
| 413 |
if(rb instanceof RasterReadOnlyBuffer) { |
| 414 |
try {
|
| 415 |
((RasterReadOnlyBuffer)rb).setBufferParams(this, (int)p1.getX(), (int)p1.getY(), (int)p2.getX(), (int)p2.getY(), bandList); |
| 416 |
} catch (FileNotExistsException e) {
|
| 417 |
//Esto no debe darse ya que se comprueba al hacer el open.
|
| 418 |
return null; |
| 419 |
} catch (NotSupportedExtensionException e) {
|
| 420 |
//Esto no debe darse ya que se comprueba al hacer el open
|
| 421 |
return null; |
| 422 |
} |
| 423 |
return rb;
|
| 424 |
} |
| 425 |
} |
| 426 |
|
| 427 |
//Buffer RW
|
| 428 |
|
| 429 |
IBuffer raster = null;
|
| 430 |
if(forceToMemory) //Fuerza siempre buffer en memoria |
| 431 |
raster = RasterBuffer.getMemoryBuffer(getDataType()[0], width, height, mallocNBands, false); |
| 432 |
else
|
| 433 |
raster = RasterBuffer.getBuffer(getDataType()[0], width, height, mallocNBands, false); |
| 434 |
|
| 435 |
for(int iBand = 0; iBand < raster.getBandCount(); iBand ++) |
| 436 |
raster.assignBandToNotValid(iBand); |
| 437 |
|
| 438 |
//Reservamos memoria para los buffers por dataset
|
| 439 |
IBuffer[] bufferDatasets = mallocBuffersDatasets(bandList, width, height);
|
| 440 |
|
| 441 |
//Si hemos redondeado los pixeles de la petici?n (p1 y p2) por arriba y por abajo deberemos calcular un extent mayor
|
| 442 |
//equivalente a los pixeles redondeados.
|
| 443 |
Point2D wc1 = ((RasterDataset)files.get(0)).rasterToWorld(new Point2D.Double(p1X, p1Y)); |
| 444 |
Point2D wc2 = ((RasterDataset)files.get(0)).rasterToWorld(new Point2D.Double(p2X, p2Y)); |
| 445 |
for(int i = 0; i < getDatasetCount(); i++) |
| 446 |
bufferDatasets[i] = ((RasterDataset)files.get(i)).getWindowRaster(wc1.getX(), wc1.getY(), wc2.getX(), wc2.getY(), bandList, bufferDatasets[i]); |
| 447 |
|
| 448 |
//Mezclamos los buffers de cada dataset en un solo buffer
|
| 449 |
mergeBuffers(raster, bufferDatasets, bandList); |
| 450 |
|
| 451 |
return raster;
|
| 452 |
} |
| 453 |
|
| 454 |
/**
|
| 455 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
|
| 456 |
* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
|
| 457 |
* pixeles de disco.
|
| 458 |
* @param x Posici?n X superior izquierda
|
| 459 |
* @param y Posici?n Y superior izquierda
|
| 460 |
* @param w Ancho en coordenadas reales
|
| 461 |
* @param h Alto en coordenadas reales
|
| 462 |
* @param adjustToExtent Flag que dice si el extent solicitado debe ajustarse al extent del raster o no.
|
| 463 |
* @param bandList
|
| 464 |
* @return Buffer de datos
|
| 465 |
*/
|
| 466 |
public IBuffer getWindowRaster(double ulx, double uly, double w, double h, boolean adjustToExtent) |
| 467 |
throws InvalidSetViewException, InterruptedException, RasterDriverException { |
| 468 |
//El incremento o decremento de las X e Y depende de los signos de rotaci?n y escala en la matriz de transformaci?n. Por esto
|
| 469 |
//tenemos que averiguar si lrx es x + w o x -w, asi como si lry es y + h o y - h
|
| 470 |
Extent ext = getExtent(); |
| 471 |
Point2D pInit = ((RasterDataset)files.get(0)).rasterToWorld(new Point2D.Double(0, 0)); |
| 472 |
Point2D pEnd = ((RasterDataset)files.get(0)).rasterToWorld(new Point2D.Double((int)getWidth(), (int)getHeight())); |
| 473 |
double wRaster = Math.abs(pEnd.getX() - pInit.getX()); |
| 474 |
double hRaster = Math.abs(pEnd.getY() - pInit.getY()); |
| 475 |
double lrx = (((int)(ext.getULX() - wRaster)) == ((int)ext.getLRX())) ? (ulx - w) : (ulx + w); |
| 476 |
double lry = (((int)(ext.getULY() - hRaster)) == ((int)ext.getLRY())) ? (uly - h) : (uly + h); |
| 477 |
|
| 478 |
//Extent selectedExtent = new Extent(ulx, uly, lrx, lry);
|
| 479 |
|
| 480 |
//Leemos pixels completos aunque el valor obtenido sea decimal. Esto se consigue redondeando
|
| 481 |
//por arriba el m?s alto y por abajo el menor y luego restandolos
|
| 482 |
|
| 483 |
Point2D p1 = ((RasterDataset)files.get(0)).worldToRaster(new Point2D.Double(ulx, uly)); |
| 484 |
Point2D p2 = ((RasterDataset)files.get(0)).worldToRaster(new Point2D.Double(lrx, lry)); |
| 485 |
int width = (int)Math.abs(Math.ceil(p2.getX()) - Math.floor(p1.getX())); |
| 486 |
int height = (int)Math.abs(Math.floor(p1.getY()) - Math.ceil(p2.getY())); |
| 487 |
|
| 488 |
//Ajustamos por si nos hemos salido del raster
|
| 489 |
while(((int)(p1.getX() + width)) > getWidth()) |
| 490 |
width --; |
| 491 |
while(((int)(p1.getY() + height)) > getHeight()) |
| 492 |
height --; |
| 493 |
|
| 494 |
if (p1.getX() < 0) |
| 495 |
p1.setLocation(0, p1.getY());
|
| 496 |
if (p1.getY() < 0) |
| 497 |
p1.setLocation(p1.getX(), 0);
|
| 498 |
if (p2.getX() > getWidth())
|
| 499 |
p2.setLocation(getWidth(), p2.getY()); |
| 500 |
if (p2.getY() > getHeight())
|
| 501 |
p2.setLocation(p2.getX(), getHeight()); |
| 502 |
|
| 503 |
int mallocNBands = 0; |
| 504 |
if(bandList.getDrawableBands() != null) |
| 505 |
mallocNBands = bandList.getDrawableBands().length; |
| 506 |
else
|
| 507 |
mallocNBands = bandList.getDrawableBandsCount(); |
| 508 |
|
| 509 |
//Buffer ReadOnly
|
| 510 |
|
| 511 |
if(isReadOnly()) {
|
| 512 |
RasterBuffer rb = RasterBuffer.getReadOnlyBuffer(getDataType()[0], width, height, getBandCount());
|
| 513 |
if(rb instanceof RasterReadOnlyBuffer) { |
| 514 |
try {
|
| 515 |
((RasterReadOnlyBuffer)rb).setBufferParams(this, (int)p1.getX(), (int)p1.getY(), (int)p2.getX(), (int)p2.getY(), bandList); |
| 516 |
} catch (FileNotExistsException e) {
|
| 517 |
//Esto no debe darse ya que se comprueba al hacer el open.
|
| 518 |
return null; |
| 519 |
} catch (NotSupportedExtensionException e) {
|
| 520 |
//Esto no debe darse ya que se comprueba al hacer el open
|
| 521 |
return null; |
| 522 |
} |
| 523 |
return rb;
|
| 524 |
} |
| 525 |
} |
| 526 |
|
| 527 |
//Buffer RW
|
| 528 |
|
| 529 |
IBuffer raster = null;
|
| 530 |
if(forceToMemory) //Fuerza siempre buffer en memoria |
| 531 |
raster = RasterBuffer.getBuffer(getDataType()[0], width, height, mallocNBands, false); |
| 532 |
else
|
| 533 |
raster = RasterBuffer.getMemoryBuffer(getDataType()[0], width, height, mallocNBands, false); |
| 534 |
|
| 535 |
for(int iBand = 0; iBand < raster.getBandCount(); iBand ++) |
| 536 |
raster.assignBandToNotValid(iBand); |
| 537 |
|
| 538 |
//Si no vamos a ajustar el extent al raster inicializamos el buffer a noData ya que este puede ser
|
| 539 |
//m?s grande y salirse de los l?mites.
|
| 540 |
if(!adjustToExtent)
|
| 541 |
initBufferToNoData(raster, bandList); |
| 542 |
|
| 543 |
//Reservamos memoria para los buffers por dataset
|
| 544 |
IBuffer[] bufferDatasets = mallocBuffersDatasets(bandList, width, height);
|
| 545 |
|
| 546 |
//Si hemos redondeado los pixeles de la petici?n (p1 y p2) por arriba y por abajo deberemos calcular un extent mayor
|
| 547 |
//equivalente a los pixeles redondeados.
|
| 548 |
Point2D wc1 = ((RasterDataset)files.get(0)).rasterToWorld(new Point2D.Double(Math.floor(p1.getX()), Math.floor(p1.getY()))); |
| 549 |
Point2D wc2 = ((RasterDataset)files.get(0)).rasterToWorld(new Point2D.Double(Math.ceil(p2.getX()), Math.ceil(p2.getY()))); |
| 550 |
for(int i = 0; i < getDatasetCount(); i++) |
| 551 |
bufferDatasets[i] = ((RasterDataset)files.get(i)).getWindowRaster(wc1.getX(), wc1.getY(), Math.abs(wc2.getX() - wc1.getX()), Math.abs(wc2.getY() - wc1.getY()), bandList, bufferDatasets[i], adjustToExtent); |
| 552 |
//bufferDatasets[i] = ((RasterDataset)files.get(i)).getWindowRaster(x, y, w, h, bandList, bufferDatasets[i], adjustToExtent);
|
| 553 |
|
| 554 |
//Mezclamos los buffers de cada dataset en un solo buffer
|
| 555 |
mergeBuffers(raster, bufferDatasets, bandList); |
| 556 |
|
| 557 |
return raster;
|
| 558 |
} |
| 559 |
|
| 560 |
/**
|
| 561 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
|
| 562 |
* Aplica supersampleo o subsampleo en funci?n del tama?o del buffer. Esta operaci?n la gestiona
|
| 563 |
* el driver.
|
| 564 |
* @param minX Valor m?nimo de la X en coordenadas reales
|
| 565 |
* @param minY Valor m?nimo de la Y en coordenadas reales
|
| 566 |
* @param maxX Valor m?ximo de la X en coordenadas reales
|
| 567 |
* @param maxY Valor m?ximo de la Y en coordenadas reales
|
| 568 |
* @param bufWidth ancho del buffer lde datos
|
| 569 |
* @param bufHeight alto del buffer de datos
|
| 570 |
* @param adjustToExtent Flag que dice si el extent solicitado debe ajustarse al extent del raster o no.
|
| 571 |
* @param bandList
|
| 572 |
* @return Buffer de datos
|
| 573 |
*/
|
| 574 |
public IBuffer getWindowRaster(double ulx, double uly, double lrx, double lry, int bufWidth, int bufHeight, boolean adjustToExtent) |
| 575 |
throws InvalidSetViewException, InterruptedException, RasterDriverException { |
| 576 |
|
| 577 |
Point2D p1 = worldToRaster(new Point2D.Double(ulx, uly)); |
| 578 |
Point2D p2 = worldToRaster(new Point2D.Double(lrx, lry)); |
| 579 |
if( ((int)p1.getX()) < 0 || ((int)p2.getX()) > getWidth() || |
| 580 |
((int)p2.getY()) > getHeight() || ((int)p2.getY()) < 0) |
| 581 |
throw new InvalidSetViewException(""); |
| 582 |
|
| 583 |
int mallocNBands = 0; |
| 584 |
if(bandList.getDrawableBands() != null) |
| 585 |
mallocNBands = bandList.getDrawableBands().length; |
| 586 |
else
|
| 587 |
mallocNBands = bandList.getDrawableBandsCount(); |
| 588 |
|
| 589 |
//Buffer ReadOnly
|
| 590 |
|
| 591 |
if(isReadOnly()) {
|
| 592 |
RasterBuffer rb = RasterBuffer.getReadOnlyBuffer(getDataType()[0], bufWidth, bufHeight, getBandCount());
|
| 593 |
if(rb instanceof RasterReadOnlyBuffer) { |
| 594 |
try {
|
| 595 |
((RasterReadOnlyBuffer)rb).setBufferParams(this, (int)p1.getX(), (int)p1.getY(), (int)p2.getX(), (int)p2.getY(), bandList); |
| 596 |
} catch (FileNotExistsException e) {
|
| 597 |
//Esto no debe darse ya que se comprueba al hacer el open.
|
| 598 |
return null; |
| 599 |
} catch (NotSupportedExtensionException e) {
|
| 600 |
//Esto no debe darse ya que se comprueba al hacer el open
|
| 601 |
return null; |
| 602 |
} |
| 603 |
return rb;
|
| 604 |
} |
| 605 |
} |
| 606 |
|
| 607 |
//Buffer RW
|
| 608 |
|
| 609 |
IBuffer raster = null;
|
| 610 |
if(forceToMemory) //Fuerza siempre buffer en memoria |
| 611 |
raster = RasterBuffer.getMemoryBuffer(getDataType()[0], bufWidth, bufHeight, mallocNBands, false); |
| 612 |
else
|
| 613 |
raster = RasterBuffer.getBuffer(getDataType()[0], bufWidth, bufHeight, mallocNBands, false); |
| 614 |
|
| 615 |
for(int iBand = 0; iBand < raster.getBandCount(); iBand ++) |
| 616 |
raster.assignBandToNotValid(iBand); |
| 617 |
|
| 618 |
//Si no vamos a ajustar el extent al raster inicializamos el buffer a noData ya que este puede ser
|
| 619 |
//m?s grande y salirse de los l?mites.
|
| 620 |
if(!adjustToExtent)
|
| 621 |
initBufferToNoData(raster, bandList); |
| 622 |
|
| 623 |
//Reservamos memoria para los buffers por dataset
|
| 624 |
IBuffer[] bufferDatasets = mallocBuffersDatasets(bandList, bufWidth, bufHeight);
|
| 625 |
for(int i = 0; i < getDatasetCount(); i++) |
| 626 |
bufferDatasets[i] = ((RasterDataset)files.get(i)).getWindowRaster(ulx, uly, lrx, lry, bufWidth, bufHeight, bandList, bufferDatasets[i], adjustToExtent); |
| 627 |
|
| 628 |
//Mezclamos los buffers de cada dataset en un solo buffer
|
| 629 |
mergeBuffers(raster, bufferDatasets, bandList); |
| 630 |
|
| 631 |
return raster;
|
| 632 |
} |
| 633 |
|
| 634 |
/**
|
| 635 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
|
| 636 |
* No aplica supersampleo ni subsampleo sino que devuelve una matriz de igual tama?o a los
|
| 637 |
* pixeles de disco.
|
| 638 |
* @param x Posici?n X superior izquierda
|
| 639 |
* @param y Posici?n Y superior izquierda
|
| 640 |
* @param w Ancho en coordenadas pixel
|
| 641 |
* @param h Alto en coordenadas pixel
|
| 642 |
* @param bandList
|
| 643 |
* @return Buffer de datos
|
| 644 |
*/
|
| 645 |
public IBuffer getWindowRaster(int x, int y, int w, int h) |
| 646 |
throws InvalidSetViewException, InterruptedException, RasterDriverException { |
| 647 |
if(x < 0 || y < 0 || w > ((RasterDataset)files.get(0)).getWidth() || h > ((RasterDataset)files.get(0)).getHeight()) |
| 648 |
throw new InvalidSetViewException("Out of image"); |
| 649 |
|
| 650 |
//Buffer ReadOnly
|
| 651 |
|
| 652 |
if(isReadOnly()) {
|
| 653 |
RasterBuffer rb = RasterBuffer.getReadOnlyBuffer(getDataType()[0], w, h, getBandCount());
|
| 654 |
if(rb instanceof RasterReadOnlyBuffer) { |
| 655 |
try {
|
| 656 |
((RasterReadOnlyBuffer)rb).setBufferParams(this, x, y, x + w, y + h, bandList);
|
| 657 |
} catch (FileNotExistsException e) {
|
| 658 |
//Esto no debe darse ya que se comprueba al hacer el open.
|
| 659 |
return null; |
| 660 |
} catch (NotSupportedExtensionException e) {
|
| 661 |
//Esto no debe darse ya que se comprueba al hacer el open
|
| 662 |
return null; |
| 663 |
} |
| 664 |
return rb;
|
| 665 |
} |
| 666 |
} |
| 667 |
|
| 668 |
//Buffer RW
|
| 669 |
|
| 670 |
IBuffer raster = null;
|
| 671 |
if(forceToMemory) //Fuerza siempre buffer en memoria |
| 672 |
raster = RasterBuffer.getMemoryBuffer(getDataType()[0], w, h, bandList.getDrawableBandsCount(), false); |
| 673 |
else
|
| 674 |
raster = RasterBuffer.getBuffer(getDataType()[0], w, h, bandList.getDrawableBandsCount(), false); |
| 675 |
|
| 676 |
for(int iBand = 0; iBand < raster.getBandCount(); iBand ++) |
| 677 |
raster.assignBandToNotValid(iBand); |
| 678 |
|
| 679 |
//Reservamos memoria para los buffers por dataset
|
| 680 |
IBuffer[] bufferDatasets = mallocBuffersDatasets(bandList, w, h);
|
| 681 |
for(int i = 0; i < getDatasetCount(); i++) |
| 682 |
bufferDatasets[i] = ((RasterDataset)files.get(i)).getWindowRaster(x, y, w, h, bandList, bufferDatasets[i]); |
| 683 |
|
| 684 |
//Mezclamos los buffers de cada dataset en un solo buffer
|
| 685 |
mergeBuffers(raster, bufferDatasets, bandList); |
| 686 |
|
| 687 |
return raster;
|
| 688 |
} |
| 689 |
|
| 690 |
/**
|
| 691 |
* Obtiene una ventana de datos de la imagen a partir de coordenadas reales.
|
| 692 |
* Aplica supersampleo o subsampleo en funci?n del tama?o del buffer
|
| 693 |
* @param x Posici?n X superior izquierda en pixels
|
| 694 |
* @param y Posici?n Y superior izquierda en pixels
|
| 695 |
* @param w Ancho en pixels
|
| 696 |
* @param h Alto en pixels
|
| 697 |
* @param bufWidth ancho del buffer de datos
|
| 698 |
* @param bufHeight alto del buffer de datos
|
| 699 |
* @param bandList
|
| 700 |
* @return Buffer de datos
|
| 701 |
*/
|
| 702 |
public IBuffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight) |
| 703 |
throws InvalidSetViewException, InterruptedException, RasterDriverException { |
| 704 |
if(x < 0 || y < 0 || w > ((RasterDataset)files.get(0)).getWidth() || h > ((RasterDataset)files.get(0)).getHeight()) |
| 705 |
throw new InvalidSetViewException("Out of image"); |
| 706 |
|
| 707 |
//Buffer ReadOnly
|
| 708 |
|
| 709 |
if(isReadOnly()) {
|
| 710 |
RasterBuffer rb = RasterBuffer.getReadOnlyBuffer(getDataType()[0], bufWidth, bufHeight, getBandCount());
|
| 711 |
if(rb instanceof RasterReadOnlyBuffer) { |
| 712 |
try {
|
| 713 |
((RasterReadOnlyBuffer)rb).setBufferParams(this, x, y, x + w, y + h, bandList);
|
| 714 |
} catch (FileNotExistsException e) {
|
| 715 |
//Esto no debe darse ya que se comprueba al hacer el open.
|
| 716 |
return null; |
| 717 |
} catch (NotSupportedExtensionException e) {
|
| 718 |
//Esto no debe darse ya que se comprueba al hacer el open
|
| 719 |
return null; |
| 720 |
} |
| 721 |
return rb;
|
| 722 |
} |
| 723 |
} |
| 724 |
|
| 725 |
IBuffer raster = null;
|
| 726 |
if(forceToMemory) //Fuerza siempre buffer en memoria |
| 727 |
raster = RasterBuffer.getMemoryBuffer(getDataType()[0], bufWidth, bufHeight, bandList.getDrawableBandsCount(), false); |
| 728 |
else
|
| 729 |
raster = RasterBuffer.getBuffer(getDataType()[0], bufWidth, bufHeight, bandList.getDrawableBandsCount(), false); |
| 730 |
|
| 731 |
for(int iBand = 0; iBand < raster.getBandCount(); iBand ++) |
| 732 |
raster.assignBandToNotValid(iBand); |
| 733 |
|
| 734 |
//Reservamos memoria para los buffers por dataset
|
| 735 |
IBuffer[] bufferDatasets = mallocBuffersDatasets(bandList, bufWidth, bufHeight);
|
| 736 |
|
| 737 |
for(int i = 0; i < getDatasetCount(); i++) |
| 738 |
bufferDatasets[i] = ((RasterDataset)files.get(i)).getWindowRaster(x, y, w, h, bufWidth, bufHeight, bandList, bufferDatasets[i]); |
| 739 |
|
| 740 |
//Mezclamos los buffers de cada dataset en un solo buffer
|
| 741 |
mergeBuffers(raster, bufferDatasets, bandList); |
| 742 |
|
| 743 |
return raster;
|
| 744 |
} |
| 745 |
|
| 746 |
//******************************
|
| 747 |
//Setters and Getters
|
| 748 |
//******************************
|
| 749 |
|
| 750 |
/**
|
| 751 |
* Calcula el tama?o de los ficheros en disco
|
| 752 |
* @return tama?o en bytes de todos los ficheros de la lista
|
| 753 |
*/
|
| 754 |
public long getFileSize() { |
| 755 |
int len = 0; |
| 756 |
for(int i = 0; i < files.size();i++) { |
| 757 |
if(((RasterDataset)files.get(i)) != null) { |
| 758 |
File f = new File(((RasterDataset)files.get(i)).getFName()); |
| 759 |
len += f.length(); |
| 760 |
} |
| 761 |
} |
| 762 |
return len;
|
| 763 |
} |
| 764 |
|
| 765 |
/*
|
| 766 |
* (non-Javadoc)
|
| 767 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getHeight()
|
| 768 |
*/
|
| 769 |
public double getHeight() { |
| 770 |
double[] lenghts = new double[getDatasetCount()]; |
| 771 |
for(int i = 0; i < getDatasetCount(); i++) |
| 772 |
if(((RasterDataset)files.get(i)) != null) |
| 773 |
lenghts[i] = ((RasterDataset)files.get(i)).getHeight(); |
| 774 |
return lenghts[0]; |
| 775 |
} |
| 776 |
|
| 777 |
/*
|
| 778 |
* (non-Javadoc)
|
| 779 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getWidth()
|
| 780 |
*/
|
| 781 |
public double getWidth() { |
| 782 |
double[] lenghts = new double[getDatasetCount()]; |
| 783 |
for(int i = 0; i < getDatasetCount(); i++) |
| 784 |
if(((RasterDataset)files.get(i)) != null) |
| 785 |
lenghts[i] = ((RasterDataset)files.get(i)).getWidth(); |
| 786 |
return lenghts[0]; |
| 787 |
} |
| 788 |
|
| 789 |
/*
|
| 790 |
* (non-Javadoc)
|
| 791 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getCellSize()
|
| 792 |
*/
|
| 793 |
public double getCellSize() { |
| 794 |
try {
|
| 795 |
Extent e = getExtent(); |
| 796 |
double dCellsize = (e.getMax().getX() - e.getMin().getX() ) / getWidth();
|
| 797 |
return dCellsize;
|
| 798 |
} catch (NullPointerException e) { |
| 799 |
return 1; |
| 800 |
} |
| 801 |
} |
| 802 |
|
| 803 |
/*
|
| 804 |
* (non-Javadoc)
|
| 805 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getBandCount()
|
| 806 |
*/
|
| 807 |
public int getBandCount() { |
| 808 |
return bandList.getBandCount();
|
| 809 |
} |
| 810 |
|
| 811 |
/*
|
| 812 |
* (non-Javadoc)
|
| 813 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getDataType()
|
| 814 |
*/
|
| 815 |
public int[] getDataType() { |
| 816 |
int[] dt = new int[getBandCount()]; |
| 817 |
|
| 818 |
if (dt.length == 0) |
| 819 |
return null; |
| 820 |
|
| 821 |
int k = 0; |
| 822 |
for(int i = 0; i < files.size(); i++) { |
| 823 |
int[] types = ((RasterDataset)files.get(i)).getDataType(); |
| 824 |
for (int j = 0; j < types.length; j++) { |
| 825 |
dt[k] = types[j]; |
| 826 |
k ++; |
| 827 |
} |
| 828 |
} |
| 829 |
|
| 830 |
return dt;
|
| 831 |
} |
| 832 |
|
| 833 |
/**
|
| 834 |
* Obtiene fichero de la posici?n i. En un MultiRasterDataset el array devuelto ser? de
|
| 835 |
* un solo elemento por lo que solo tendr? sentido la posici?n 0.
|
| 836 |
* @param i Posici?n del fichero a obtener.
|
| 837 |
* @return GeoRasterFileDataset.
|
| 838 |
*/
|
| 839 |
public RasterDataset[] getDataset(int i) { |
| 840 |
return new RasterDataset[]{(RasterDataset)files.get(i)}; |
| 841 |
} |
| 842 |
|
| 843 |
/**
|
| 844 |
* Obtiene fichero de nombre fileName.
|
| 845 |
* @param i Posici?n del fichero a obtener.
|
| 846 |
* @return GeoRasterFile.
|
| 847 |
*/
|
| 848 |
public RasterDataset getDataset(String fileName) { |
| 849 |
for(int i=0;i<files.size();i++){ |
| 850 |
if(((RasterDataset)files.get(i)).getFName().equals(fileName))
|
| 851 |
return (RasterDataset)files.get(i);
|
| 852 |
} |
| 853 |
return null; |
| 854 |
} |
| 855 |
|
| 856 |
/**
|
| 857 |
* Obtiene la lista de bandas
|
| 858 |
* @return BandList
|
| 859 |
*/
|
| 860 |
public BandList getBands() {
|
| 861 |
return bandList;
|
| 862 |
} |
| 863 |
|
| 864 |
/**
|
| 865 |
* Obtiene la coordenada X m?nima de toda la lista
|
| 866 |
* @return Coordenada X m?nima
|
| 867 |
*/
|
| 868 |
public double getMinX() { |
| 869 |
double minx = Double.MAX_VALUE; |
| 870 |
for(int i = 0; i < files.size(); i++) { |
| 871 |
double aux = ((RasterDataset)files.get(i)).getExtent().getMin().getX();
|
| 872 |
if(aux < minx)
|
| 873 |
minx = aux; |
| 874 |
} |
| 875 |
return minx;
|
| 876 |
} |
| 877 |
|
| 878 |
/**
|
| 879 |
* Obtiene la coordenada Y m?nima de toda la lista
|
| 880 |
* @return Coordenada Y m?nima
|
| 881 |
*/
|
| 882 |
public double getMinY() { |
| 883 |
double miny = Double.MAX_VALUE; |
| 884 |
for(int i = 0; i < files.size(); i++) { |
| 885 |
double aux = ((RasterDataset)files.get(i)).getExtent().getMin().getY();
|
| 886 |
if(aux < miny)
|
| 887 |
miny = aux; |
| 888 |
} |
| 889 |
return miny;
|
| 890 |
} |
| 891 |
|
| 892 |
/**
|
| 893 |
* Obtiene la coordenada Y m?xima de toda la lista
|
| 894 |
* @return Coordenada Y m?xima
|
| 895 |
*/
|
| 896 |
public double getMaxX() { |
| 897 |
double maxx = Double.NEGATIVE_INFINITY; |
| 898 |
for(int i = 0; i < files.size(); i++) { |
| 899 |
double aux = ((RasterDataset)files.get(i)).getExtent().getMin().getY();
|
| 900 |
if(aux > maxx)
|
| 901 |
maxx = aux; |
| 902 |
} |
| 903 |
return maxx;
|
| 904 |
} |
| 905 |
|
| 906 |
/**
|
| 907 |
* Obtiene la coordenada Y m?xima de toda la lista
|
| 908 |
* @return Coordenada Y m?xima
|
| 909 |
*/
|
| 910 |
public double getMaxY() { |
| 911 |
double maxy = Double.NEGATIVE_INFINITY; |
| 912 |
for(int i = 0; i < files.size(); i++) { |
| 913 |
double aux = ((RasterDataset)files.get(i)).getExtent().getMin().getY();
|
| 914 |
if(aux > maxy)
|
| 915 |
maxy = aux; |
| 916 |
} |
| 917 |
return maxy;
|
| 918 |
} |
| 919 |
|
| 920 |
/*
|
| 921 |
* (non-Javadoc)
|
| 922 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getNoDataValue()
|
| 923 |
*/
|
| 924 |
public double getNoDataValue() { |
| 925 |
if (files.isEmpty())
|
| 926 |
return RasterLibrary.defaultNoDataValue;
|
| 927 |
|
| 928 |
return ((RasterDataset) files.get(0)).getNoDataValue(); |
| 929 |
} |
| 930 |
|
| 931 |
/*
|
| 932 |
* (non-Javadoc)
|
| 933 |
* @see org.gvsig.raster.dataset.IRasterDataSource#isNoDataEnabled()
|
| 934 |
*/
|
| 935 |
public boolean isNoDataEnabled() { |
| 936 |
if (files.isEmpty())
|
| 937 |
return false; |
| 938 |
|
| 939 |
return ((RasterDataset) files.get(0)).isNoDataEnabled(); |
| 940 |
} |
| 941 |
|
| 942 |
/*
|
| 943 |
* (non-Javadoc)
|
| 944 |
* @see org.gvsig.raster.dataset.IRasterDataSource#resetNoDataValue()
|
| 945 |
*/
|
| 946 |
public void resetNoDataValue() { |
| 947 |
for (int i = 0; i < files.size(); i++) |
| 948 |
((RasterDataset) files.get(i)).resetNoDataValue(); |
| 949 |
} |
| 950 |
|
| 951 |
/*
|
| 952 |
* (non-Javadoc)
|
| 953 |
* @see org.gvsig.raster.dataset.IRasterDataSource#setNoDataValue(double)
|
| 954 |
*/
|
| 955 |
public void setNoDataValue(double value) { |
| 956 |
for (int i = 0; i < files.size(); i++) |
| 957 |
((RasterDataset) files.get(i)).setNoDataValue(value); |
| 958 |
} |
| 959 |
|
| 960 |
/*
|
| 961 |
* (non-Javadoc)
|
| 962 |
* @see org.gvsig.raster.dataset.IRasterDataSource#setNoDataEnabled(boolean)
|
| 963 |
*/
|
| 964 |
public void setNoDataEnabled(boolean enabled) { |
| 965 |
for (int i = 0; i < files.size(); i++) |
| 966 |
((RasterDataset) files.get(i)).setNoDataEnabled(enabled); |
| 967 |
} |
| 968 |
|
| 969 |
/**
|
| 970 |
* Obtiene el extent del multi fichero. Este corresponde al primer
|
| 971 |
* GeoRasterFile de la lista.
|
| 972 |
* @return Extent
|
| 973 |
*/
|
| 974 |
public Extent getExtent() {
|
| 975 |
if(files.size() == 0) |
| 976 |
return null; |
| 977 |
else
|
| 978 |
return ((RasterDataset)files.get(0)).getExtent(); |
| 979 |
} |
| 980 |
|
| 981 |
/**
|
| 982 |
* Este es el extent sobre el que se ajusta una petici?n para que esta no exceda el
|
| 983 |
* extent m?ximo del raster. Para un raster sin rotar ser? igual al extent
|
| 984 |
* pero para un raster rotado ser? igual al extent del raster como si no
|
| 985 |
* tuviera rotaci?n. Esto ha de ser as? ya que la rotaci?n solo se hace sobre la
|
| 986 |
* vista y las peticiones han de hacerse en coordenadas de la imagen sin shearing
|
| 987 |
* aplicado.
|
| 988 |
* @return Extent
|
| 989 |
*/
|
| 990 |
public Extent getExtentForRequest() {
|
| 991 |
return ((RasterDataset)files.get(0)).getExtentWithoutRot(); |
| 992 |
} |
| 993 |
|
| 994 |
/*
|
| 995 |
* (non-Javadoc)
|
| 996 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getLastSelectedView()
|
| 997 |
*/
|
| 998 |
public Extent getLastSelectedView(){
|
| 999 |
return ((RasterDataset)files.get(0)).getView(); |
| 1000 |
} |
| 1001 |
|
| 1002 |
/*
|
| 1003 |
* (non-Javadoc)
|
| 1004 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getTransparencyFilesStatus()
|
| 1005 |
*/
|
| 1006 |
public Transparency getTransparencyFilesStatus() { |
| 1007 |
if(files.size() <= 0) |
| 1008 |
return null; |
| 1009 |
Transparency t = ((RasterDataset)files.get(0)).getTransparencyDatasetStatus(); |
| 1010 |
for(int i = 1; i < files.size(); i++) { |
| 1011 |
Transparency t1 = ((RasterDataset)files.get(i)).getTransparencyDatasetStatus();
|
| 1012 |
t.merge(t1); |
| 1013 |
} |
| 1014 |
return t;
|
| 1015 |
} |
| 1016 |
|
| 1017 |
/**
|
| 1018 |
* Obtiene la paleta correspondiente a uno de los ficheros que forman el GeoMultiRasterFile
|
| 1019 |
* @param i Posici?n del raster
|
| 1020 |
* @return Paleta asociada a este o null si no tiene
|
| 1021 |
*/
|
| 1022 |
public ColorTable getColorTable(int i){ |
| 1023 |
if(i >= files.size())
|
| 1024 |
return null; |
| 1025 |
return ((RasterDataset)files.get(i)).getColorTable();
|
| 1026 |
} |
| 1027 |
|
| 1028 |
/**
|
| 1029 |
* Obtiene la lista de paletas correspondiente a todos los ficheros que forman el GeoMultiRasterFile
|
| 1030 |
* @return Paleta asociada a este o null si no tiene. Una posici?n null en el array tambi?n indica que
|
| 1031 |
* para ese fichero no hay paletas asociadas.
|
| 1032 |
*/
|
| 1033 |
public ColorTable[] getColorTables(){ |
| 1034 |
if(files.size() <= 0) |
| 1035 |
return null; |
| 1036 |
ColorTable[] list = new ColorTable[files.size()]; |
| 1037 |
for(int i = 0; i < files.size(); i++) |
| 1038 |
list[i] = ((RasterDataset)files.get(i)).getColorTable(); |
| 1039 |
return list;
|
| 1040 |
} |
| 1041 |
|
| 1042 |
/**
|
| 1043 |
* Obtiene la paleta correspondiente al nombre del fichero pasado por par?metro.
|
| 1044 |
* @param fileName Nombre del fichero
|
| 1045 |
* @return Paleta o null si no la tiene
|
| 1046 |
*/
|
| 1047 |
public ColorTable getColorTable(String fileName){ |
| 1048 |
for(int i = 0; i < files.size(); i++){ |
| 1049 |
if(((RasterDataset)files.get(i)).getFName().indexOf(fileName) == 0) |
| 1050 |
return ((RasterDataset)files.get(i)).getColorTable();
|
| 1051 |
} |
| 1052 |
return null; |
| 1053 |
} |
| 1054 |
|
| 1055 |
/*
|
| 1056 |
* (non-Javadoc)
|
| 1057 |
* @see org.gvsig.raster.dataset.IRasterDataSource#rasterToWorld(java.awt.geom.Point2D)
|
| 1058 |
*/
|
| 1059 |
public Point2D rasterToWorld(Point2D pt) { |
| 1060 |
return ((RasterDataset)files.get(0)).rasterToWorld(pt); |
| 1061 |
} |
| 1062 |
|
| 1063 |
/*
|
| 1064 |
* (non-Javadoc)
|
| 1065 |
* @see org.gvsig.raster.dataset.IRasterDataSource#worldToRaster(java.awt.geom.Point2D)
|
| 1066 |
*/
|
| 1067 |
public Point2D worldToRaster(Point2D pt) { |
| 1068 |
return ((RasterDataset)files.get(0)).worldToRaster(pt); |
| 1069 |
} |
| 1070 |
|
| 1071 |
/*
|
| 1072 |
* (non-Javadoc)
|
| 1073 |
* @see org.gvsig.raster.dataset.IRasterDataSource#calcSteps(double, double, double, double, double, double, int, int)
|
| 1074 |
*/
|
| 1075 |
public double[] calcSteps(double dWorldTLX, double dWorldTLY, double dWorldBRX, double dWorldBRY, |
| 1076 |
double nWidth, double nHeight, int bufWidth, int bufHeight){ |
| 1077 |
return ((RasterDataset)files.get(0)).calcSteps(dWorldTLX, dWorldTLY, dWorldBRX, dWorldBRY, nWidth, nHeight, bufWidth, bufHeight); |
| 1078 |
} |
| 1079 |
|
| 1080 |
/**
|
| 1081 |
* Obtiene el objeto con las estadisticas
|
| 1082 |
* @return MultiFileStatistics
|
| 1083 |
*/
|
| 1084 |
public DatasetListStatistics getStatistics(){
|
| 1085 |
return stats;
|
| 1086 |
} |
| 1087 |
|
| 1088 |
/*
|
| 1089 |
* (non-Javadoc)
|
| 1090 |
* @see org.gvsig.raster.dataset.IRasterDataSource#isGeoreferenced()
|
| 1091 |
*/
|
| 1092 |
public boolean isGeoreferenced() { |
| 1093 |
for(int i = 0; i < files.size(); i++){ |
| 1094 |
if(((RasterDataset)files.get(i)).isGeoreferenced())
|
| 1095 |
return true; |
| 1096 |
} |
| 1097 |
return false; |
| 1098 |
} |
| 1099 |
|
| 1100 |
/**
|
| 1101 |
* Obtiene el tama?o de pixel en X
|
| 1102 |
* @return tama?o de pixel en X
|
| 1103 |
*/
|
| 1104 |
public double getPixelSizeX() { |
| 1105 |
return ((RasterDataset)files.get(0)).getPixelSizeX(); |
| 1106 |
} |
| 1107 |
|
| 1108 |
/**
|
| 1109 |
* Obtiene el tama?o de pixel en Y
|
| 1110 |
* @return tama?o de pixel en Y
|
| 1111 |
*/
|
| 1112 |
public double getPixelSizeY() { |
| 1113 |
return ((RasterDataset)files.get(0)).getPixelSizeY(); |
| 1114 |
} |
| 1115 |
|
| 1116 |
//TODO: TEST: Probar getData para multifichero
|
| 1117 |
|
| 1118 |
/*
|
| 1119 |
* (non-Javadoc)
|
| 1120 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getData(int, int, int)
|
| 1121 |
*/
|
| 1122 |
public Object getData(int x, int y, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException{ |
| 1123 |
String file = bandList.getBand(band).getFileName();
|
| 1124 |
int[] posList = bandList.getBandPositionList(); |
| 1125 |
for(int i = 0; i < files.size(); i++){ |
| 1126 |
if(((RasterDataset)files.get(i)).getFName().equals(file))
|
| 1127 |
return ((RasterDataset)files.get(i)).getData(x, y, posList[band]);
|
| 1128 |
} |
| 1129 |
return null; |
| 1130 |
} |
| 1131 |
|
| 1132 |
/**
|
| 1133 |
* Obtiene el objeto que contiene que contiene la interpretaci?n de
|
| 1134 |
* color por banda para el dataset seleccionado
|
| 1135 |
* @param dataset Dataset del que se necesesita la informaci?n de color dentro del RasterMultiDataset
|
| 1136 |
* @return DatasetColorInterpretation
|
| 1137 |
*/
|
| 1138 |
public DatasetColorInterpretation getColorInterpretation(int dataset){ |
| 1139 |
return ((RasterDataset)files.get(dataset)).getColorInterpretation();
|
| 1140 |
} |
| 1141 |
|
| 1142 |
/**
|
| 1143 |
* Obtiene la proyecci?n asociada al dataset. Como todos los dataset del
|
| 1144 |
* multiDataset deben tener la misma proyecci?n obtenemos esta del primer
|
| 1145 |
* dataset.
|
| 1146 |
* @return Proyecci?n en formato cadena
|
| 1147 |
* @throws RasterDriverException
|
| 1148 |
*/
|
| 1149 |
public String getWktProjection() throws RasterDriverException { |
| 1150 |
return ((RasterDataset)files.get(0)).getWktProjection(); |
| 1151 |
} |
| 1152 |
|
| 1153 |
/*
|
| 1154 |
* (non-Javadoc)
|
| 1155 |
* @see org.gvsig.raster.driver.datasetproperties.IHistogramable#getHistogram()
|
| 1156 |
*/
|
| 1157 |
public Histogram getHistogram() throws HistogramException, InterruptedException { |
| 1158 |
if (histogram == null) |
| 1159 |
histogram = new DatasetListHistogram(this); |
| 1160 |
|
| 1161 |
try {
|
| 1162 |
Histogram tmpHist = histogram.getHistogram(); |
| 1163 |
return tmpHist;
|
| 1164 |
} catch (FileNotOpenException e) {
|
| 1165 |
throw new HistogramException("FileNotOpenException"); |
| 1166 |
} catch (RasterDriverException e) {
|
| 1167 |
throw new HistogramException("RasterDriverException"); |
| 1168 |
} |
| 1169 |
} |
| 1170 |
|
| 1171 |
/*
|
| 1172 |
* (non-Javadoc)
|
| 1173 |
* @see org.gvsig.raster.util.IHistogramable#getPercent()
|
| 1174 |
*/
|
| 1175 |
public int getPercent() { |
| 1176 |
if (histogram != null) |
| 1177 |
return histogram.getPercent();
|
| 1178 |
return 0; |
| 1179 |
} |
| 1180 |
|
| 1181 |
/*
|
| 1182 |
* (non-Javadoc)
|
| 1183 |
* @see org.gvsig.raster.util.IHistogramable#resetPercent()
|
| 1184 |
*/
|
| 1185 |
public void resetPercent() { |
| 1186 |
if (histogram != null) histogram.resetPercent(); |
| 1187 |
} |
| 1188 |
|
| 1189 |
/**
|
| 1190 |
* Escribe sobre el rmf todos los cambios que haya para salvar, es decir, para cada
|
| 1191 |
* Objeto registrado en el manager volcar? su contenido al fichero rmf.
|
| 1192 |
* @throws IOException
|
| 1193 |
*/
|
| 1194 |
public void saveRmfModification() throws IOException { |
| 1195 |
for (int i = 0; i < files.size(); i++) |
| 1196 |
((RasterDataset)files.get(i)).saveRmfModification(); |
| 1197 |
} |
| 1198 |
|
| 1199 |
/**
|
| 1200 |
* Salva la georreferenciaci?n a fichero rmf.
|
| 1201 |
* @param fName
|
| 1202 |
* @throws IOException
|
| 1203 |
*/
|
| 1204 |
public void saveGeoToRmf() throws IOException { |
| 1205 |
for (int i = 0; i < files.size(); i++) |
| 1206 |
((RasterDataset)files.get(i)).saveGeoToRmf(); |
| 1207 |
} |
| 1208 |
|
| 1209 |
/**
|
| 1210 |
* Metodo que obtiene si un punto cae dentro de los l?mites de la capa
|
| 1211 |
* o fuera de ellos.
|
| 1212 |
* @param p Punto a calcular
|
| 1213 |
* @return true si est? dentro de los l?mites y false si est? fuera
|
| 1214 |
*/
|
| 1215 |
public boolean isInside(Point2D p) { |
| 1216 |
if(getDataset(0) != null) |
| 1217 |
return getDataset(0)[0].isInside(p); |
| 1218 |
return false; |
| 1219 |
} |
| 1220 |
|
| 1221 |
/**
|
| 1222 |
* Devuelve la transformaci?n leida en la carga del raster
|
| 1223 |
* @return AffineTransform
|
| 1224 |
*/
|
| 1225 |
public AffineTransform getOwnAffineTransform() { |
| 1226 |
if(getDataset(0) != null) |
| 1227 |
return getDataset(0)[0].ownTransformation; |
| 1228 |
return null; |
| 1229 |
} |
| 1230 |
|
| 1231 |
/*
|
| 1232 |
* (non-Javadoc)
|
| 1233 |
* @see org.gvsig.raster.dataset.IRasterDataSource#getAffineTransform()
|
| 1234 |
*/
|
| 1235 |
public AffineTransform getAffineTransform(){ |
| 1236 |
if(getDataset(0) != null) |
| 1237 |
return getDataset(0)[0].getAffineTransform(); |
| 1238 |
return null; |
| 1239 |
} |
| 1240 |
|
| 1241 |
/*
|
| 1242 |
* (non-Javadoc)
|
| 1243 |
* @see org.gvsig.raster.dataset.IRasterDataSource#setAffineTransform(java.awt.geom.AffineTransform)
|
| 1244 |
*/
|
| 1245 |
public void setAffineTransform(AffineTransform transf){ |
| 1246 |
for (int i = 0; i < getDatasetCount(); i++) |
| 1247 |
this.getDataset(i)[0].setAffineTransform(transf); |
| 1248 |
} |
| 1249 |
|
| 1250 |
/**
|
| 1251 |
* Obtiene la matriz de transformaci?n del propio raster. Esta matriz es la encargada
|
| 1252 |
* de convertir las coordenadas de la petici?n en coordenadas a las que se pide a la libreria.
|
| 1253 |
* En gdal, por ejemplo, se piden las coordenadas a la libreria en coordenadas pixel por lo que
|
| 1254 |
* esta matriz tendr? la georreferenciaci?n asociada en el worldfile o cabecera. Otras librerias como
|
| 1255 |
* ermapper la petici?n a la libreria se hace en coordenadas geograficas que son las mismas en las
|
| 1256 |
* que pide el usuario de gvSIG por lo que esta matriz en este caso se inicializa con la identidad.
|
| 1257 |
* @return
|
| 1258 |
*/
|
| 1259 |
public AffineTransform getOwnTransformation() { |
| 1260 |
if(getDataset(0) != null) |
| 1261 |
return getDataset(0)[0].getOwnTransformation(); |
| 1262 |
return new AffineTransform(); |
| 1263 |
} |
| 1264 |
|
| 1265 |
/*
|
| 1266 |
* (non-Javadoc)
|
| 1267 |
* @see org.gvsig.raster.dataset.IRasterDataSource#isRotated()
|
| 1268 |
*/
|
| 1269 |
public boolean isRotated() { |
| 1270 |
if(getDataset(0) != null) |
| 1271 |
return getDataset(0)[0].isRotated(); |
| 1272 |
return false; |
| 1273 |
} |
| 1274 |
|
| 1275 |
/*
|
| 1276 |
* (non-Javadoc)
|
| 1277 |
* @see org.gvsig.raster.dataset.IRasterDataSource#setDrawableBands(int[])
|
| 1278 |
*/
|
| 1279 |
public void setDrawableBands(int[] db) { |
| 1280 |
getBands().setDrawableBands(db); |
| 1281 |
} |
| 1282 |
|
| 1283 |
/*
|
| 1284 |
* (non-Javadoc)
|
| 1285 |
* @see org.gvsig.raster.dataset.IRasterDataSource#clearDrawableBands()
|
| 1286 |
*/
|
| 1287 |
public void clearDrawableBands() { |
| 1288 |
getBands().clearDrawableBands(); |
| 1289 |
} |
| 1290 |
|
| 1291 |
/*
|
| 1292 |
* (non-Javadoc)
|
| 1293 |
* @see org.gvsig.raster.dataset.IRasterDataSource#addDrawableBand(int, int)
|
| 1294 |
*/
|
| 1295 |
public void addDrawableBand(int posRasterBuf, int imageBand) { |
| 1296 |
getBands().addDrawableBand(posRasterBuf, imageBand); |
| 1297 |
} |
| 1298 |
|
| 1299 |
/*
|
| 1300 |
* (non-Javadoc)
|
| 1301 |
* @see org.gvsig.raster.dataset.IRasterDataSource#isReadOnly()
|
| 1302 |
*/
|
| 1303 |
public boolean isReadOnly() { |
| 1304 |
return readOnly;
|
| 1305 |
} |
| 1306 |
|
| 1307 |
/*
|
| 1308 |
* (non-Javadoc)
|
| 1309 |
* @see org.gvsig.raster.dataset.IRasterDataSource#setReadOnly(boolean)
|
| 1310 |
*/
|
| 1311 |
public void setReadOnly(boolean readOnly) { |
| 1312 |
this.readOnly = readOnly;
|
| 1313 |
if(readOnly)
|
| 1314 |
this.forceToMemory = false; |
| 1315 |
} |
| 1316 |
|
| 1317 |
/*
|
| 1318 |
* (non-Javadoc)
|
| 1319 |
* @see org.gvsig.raster.dataset.IRasterDataSource#setMemoryBuffer(boolean)
|
| 1320 |
*/
|
| 1321 |
public void setMemoryBuffer(boolean memory) { |
| 1322 |
this.forceToMemory = memory;
|
| 1323 |
if(memory)
|
| 1324 |
this.readOnly = false; |
| 1325 |
} |
| 1326 |
|
| 1327 |
/*
|
| 1328 |
* (non-Javadoc)
|
| 1329 |
* @see org.gvsig.raster.dataset.IRasterDataSource#isMemoryBuffer()
|
| 1330 |
*/
|
| 1331 |
public boolean isMemoryBuffer() { |
| 1332 |
return forceToMemory;
|
| 1333 |
} |
| 1334 |
|
| 1335 |
/*
|
| 1336 |
* (non-Javadoc)
|
| 1337 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewCount(int)
|
| 1338 |
*/
|
| 1339 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 1340 |
if(band >= getBandCount())
|
| 1341 |
throw new BandAccessException("Wrong band"); |
| 1342 |
String fileName = getBands().getBand(band).getFileName();
|
| 1343 |
RasterDataset dataset = getDataset(fileName); |
| 1344 |
return dataset.getOverviewCount(0); |
| 1345 |
} |
| 1346 |
|
| 1347 |
/*
|
| 1348 |
* (non-Javadoc)
|
| 1349 |
* @see org.gvsig.raster.dataset.IRasterDataSource#overviewsSupport()
|
| 1350 |
*/
|
| 1351 |
public boolean overviewsSupport() { |
| 1352 |
return getDataset(0)[0].overviewsSupport(); |
| 1353 |
} |
| 1354 |
|
| 1355 |
/*
|
| 1356 |
* (non-Javadoc)
|
| 1357 |
* @see org.gvsig.raster.dataset.IRasterDataSource#loadGeoPointsFromRmf()
|
| 1358 |
*/
|
| 1359 |
public GeoPoint[] loadGeoPointsFromRmf() throws IOException { |
| 1360 |
return getDataset(0)[0].loadGeoPointsFromRmf(); |
| 1361 |
} |
| 1362 |
|
| 1363 |
/*
|
| 1364 |
* (non-Javadoc)
|
| 1365 |
* @see org.gvsig.raster.dataset.IRasterDataSource#saveGeoPointsToRmf(org.gvsig.raster.datastruct.GeoPoint[])
|
| 1366 |
*/
|
| 1367 |
public void saveGeoPointsToRmf(GeoPoint[] geoPoints) throws IOException { |
| 1368 |
for (int i = 0; i < getDatasetCount(); i++) |
| 1369 |
getDataset(i)[0].saveGeoPointsToRmf(geoPoints);
|
| 1370 |
} |
| 1371 |
} |