root / trunk / libraries / libRaster / src / org / gvsig / raster / dataset / CompositeDataset.java @ 13393
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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) 2007 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.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.io.IOException; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
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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.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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import org.gvsig.raster.util.MathUtils; |
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import org.gvsig.raster.util.RasterUtilities; |
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/**
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* Esta clase est? compuestas de multiples datasets formando una rejilla de NxM
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* rasters. Un cliente de esta clase debe tener una visi?n de la rejilla como si fuese un
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* solo raster, gestionando esta el acceso la imagen que corresponda en cada petici?n de
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* usuario.
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*
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* @version 29/08/2007
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class CompositeDataset implements IRasterDataSource { |
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private MultiRasterDataset[][][] mosaic = null; |
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/**
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* Constructor. Genera la estructura de n filas por n columnas por k niveles de rasters.
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* @param n N?mero de filas
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* @param m N?mero de columnas
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* @param k N?mero de niveles.
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*/
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public CompositeDataset(int n, int m, int k) { |
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mosaic = new MultiRasterDataset[k][n][m];
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} |
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/**
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* Constructor. Genera la estructura de n filas por n columnas de rasters y
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* las asigna a los raster que se le pasan por par?metro.
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* @param n N?mero de filas
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* @param m N?mero de columnas
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*/
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public CompositeDataset(MultiRasterDataset[][] mos) throws MosaicNotValidException { |
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this.mosaic = new MultiRasterDataset[1][0][0]; |
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this.mosaic[0] = mos; |
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if(!validateMosaic(mos)) {
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this.mosaic = null; |
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throw new MosaicNotValidException("Extends no validos para montar un mosaico"); |
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} |
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} |
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/**
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* Constructor. Genera la estructura de n filas por n columnas por k niveles de rasters y
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* las asigna a los raster que se le pasan por par?metro.
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* @param n N?mero de filas
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* @param m N?mero de columnas
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* @param k N?mero de niveles
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*/
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public CompositeDataset(MultiRasterDataset[][][] mos) throws MosaicNotValidException { |
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this.mosaic = mos;
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if(!validateMosaic(mos)) {
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this.mosaic = null; |
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throw new MosaicNotValidException("Extends no validos para montar un mosaico"); |
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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 CompositeDataset open(IProjection proj, Object datasetOpenParam) throws NotSupportedExtensionException, RasterDriverException { |
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if(datasetOpenParam instanceof String[][]) { |
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String[][] param = (String[][])datasetOpenParam; |
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MultiRasterDataset[][][] mosaic = new MultiRasterDataset[1][param.length][param[0].length]; |
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for (int i = 0; i < param.length; i++) { |
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for (int j = 0; j < param[i].length; j++) |
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mosaic[0][i][j] = MultiRasterDataset.open(proj, param[i][j]);
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} |
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CompositeDataset cd; |
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try {
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cd = new CompositeDataset(mosaic);
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} catch (MosaicNotValidException e) {
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return null; |
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} |
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return cd;
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} |
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return null; |
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} |
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/**
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* Valida que los extends del mosaico sean validos, es decir, que sean correlativos
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* formando la matriz.
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*
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* @param mos
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* @throws MosaicNotValidException
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*/
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private boolean validateMosaic(MultiRasterDataset[][] mosaic) { |
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MultiRasterDataset[][][] m = new MultiRasterDataset[1][0][0]; |
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m[0] = mosaic;
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return validateMosaic(m);
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} |
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/**
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* Valida que los extends del mosaico sean validos, es decir, que sean correlativos
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* formando la matriz. Adem?s tambi?n valida que el tama?o de pixel coincida en todos los
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* raster que forman el mosaico.
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*
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* @param mos
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* @throws MosaicNotValidException
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*/
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private boolean validateMosaic(MultiRasterDataset[][][] mosaic) { |
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int k = mosaic.length;
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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for (int level = 0; level < k; level++) { |
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//Comprobamos en Horizontal
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for (int row = 0; row < n; row++) { |
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for (int col = 0; col < m; col++) { |
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if(col != (m - 2)) { |
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Extent a = mosaic[level][row][col].getExtent(); |
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Extent b = mosaic[level][row][col + 1].getExtent();
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if(((int)a.maxX()) != ((int)b.minX())) |
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return false; |
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double psx = MathUtils.tailDecimals(mosaic[level][row][col].getPixelSizeX(), 2); |
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double psx1 = MathUtils.tailDecimals(mosaic[level][row][col + 1].getPixelSizeX(), 2); |
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double psy = MathUtils.tailDecimals(mosaic[level][row][col].getPixelSizeY(), 2); |
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double psy1 = MathUtils.tailDecimals(mosaic[level][row][col + 1].getPixelSizeY(), 2); |
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if(psx != psx1 || psy != psy1)
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return false; |
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if(mosaic[level][row][col].getBandCount() != mosaic[level][row][col + 1].getBandCount()) |
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return false; |
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} |
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} |
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} |
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//Comprobamos en Vertical
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for (int col = 0; col < m; col++) { |
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for (int row = 0; row < n; row++) { |
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if(row != (n - 2)) { |
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Extent a = mosaic[level][row][col].getExtent(); |
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Extent b = mosaic[level][row + 1][col].getExtent();
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if(((int)a.minY()) != ((int)b.maxY())) |
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return false; |
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double psx = MathUtils.tailDecimals(mosaic[level][row][col].getPixelSizeX(), 2); |
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double psx1 = MathUtils.tailDecimals(mosaic[level][row + 1][col].getPixelSizeX(), 2); |
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double psy = MathUtils.tailDecimals(mosaic[level][row][col].getPixelSizeY(), 2); |
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double psy1 = MathUtils.tailDecimals(mosaic[level][row + 1][col].getPixelSizeY(), 2); |
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if(psx != psx1 || psy != psy1)
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return false; |
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if(mosaic[level][row][col].getBandCount() != mosaic[level][row + 1][col].getBandCount()) |
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return false; |
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} |
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} |
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} |
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} |
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return true; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#addDataset(org.gvsig.raster.dataset.RasterDataset[])
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*/
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public void addDataset(RasterDataset[] f) throws FileNotFoundInListException { |
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if(mosaic != null) { |
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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if(f.length == (n * m)) {
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for (int i = 0; i < n; i++) { |
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for (int j = 0; j < m; j++) { |
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MultiRasterDataset mrd = new MultiRasterDataset();
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mrd.addDataset(new RasterDataset[]{f[i * n + j]}); |
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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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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#addDataset(java.lang.String[])
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*/
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public void addDataset(String[] fileName) throws FileNotFoundInListException, NotSupportedExtensionException, RasterDriverException { |
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if(mosaic != null) { |
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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if(fileName.length == (n * m)) {
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for (int i = 0; i < n; i++) { |
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for (int j = 0; j < m; j++) { |
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MultiRasterDataset mrd = new MultiRasterDataset();
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mrd.addDataset(new RasterDataset[]{RasterDataset.open(null, fileName[i * n + j])}); |
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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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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#calcSteps(double, double, double, double, double, double, int, int)
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*/
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public int[] calcSteps(double dWorldTLX, double dWorldTLY, double dWorldBRX, double dWorldBRY, double nWidth, double nHeight, int bufWidth, int bufHeight) { |
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if(mosaic != null) |
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return mosaic[0][0][0].calcSteps(dWorldTLX, dWorldTLY, dWorldBRX, dWorldBRY, nWidth, nHeight, bufWidth, bufHeight); |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#close()
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*/
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public void close() { |
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int k = mosaic.length;
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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for (int level = 0; level < k; level++) { |
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for (int row = 0; row < n; row++) { |
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for (int col = 0; col < m; col++) { |
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mosaic[level][row][col].close(); |
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} |
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#copy()
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*/
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public IRasterDataSource copy() {
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int k = mosaic.length;
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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MultiRasterDataset[][][] mrd = new MultiRasterDataset[k][n][m]; |
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for (int level = 0; level < k; level++) { |
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for (int row = 0; row < n; row++) { |
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for (int col = 0; col < m; col++) { |
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mrd[level][row][col] = (MultiRasterDataset)mosaic[level][row][col].copy(); |
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} |
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} |
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} |
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try {
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return new CompositeDataset(mrd); |
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} catch (MosaicNotValidException e) {
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return null; |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getAffineTransform()
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*/
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public AffineTransform getAffineTransform() { |
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if(mosaic != null && mosaic[0][0][0] != null) |
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return mosaic[0][0][0].getAffineTransform(); |
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return new AffineTransform(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getExtent()
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*/
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public Extent getExtent() {
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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if(mosaic != null && mosaic[0][0][0] != null) { |
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double ulx = mosaic[0][0][0].getExtent().getULX(); |
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double uly = mosaic[0][0][0].getExtent().getULY(); |
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double urx = mosaic[0][n - 1][0].getExtent().getURX(); |
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double ury = mosaic[0][n - 1][0].getExtent().getURY(); |
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double llx = mosaic[0][0][m - 1].getExtent().getLLX(); |
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double lly = mosaic[0][0][m - 1].getExtent().getLLY(); |
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double lrx = mosaic[0][n - 1][m - 1].getExtent().getLRX(); |
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double lry = mosaic[0][n - 1][m - 1].getExtent().getLRY(); |
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return new Extent( new Point2D.Double(ulx, uly), |
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new Point2D.Double(lrx, lry), |
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new Point2D.Double(urx, ury), |
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new Point2D.Double(llx, lly)); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getBandCount()
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*/
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public int getBandCount() { |
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if(mosaic != null && mosaic[0][0][0] != null) |
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return mosaic[0][0][0].getBandCount(); |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getWidth()
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*/
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public double getWidth() { |
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double w = 0; |
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if(mosaic != null && mosaic[0][0][0] != null) { |
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int m = mosaic[0][0].length; |
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for (int col = 0; col < m; col++) |
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w += mosaic[0][0][col].getWidth(); |
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} |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getHeight()
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*/
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public double getHeight() { |
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double h = 0; |
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if(mosaic != null && mosaic[0][0][0] != null) { |
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int n = mosaic[0].length; |
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for (int row = 0; row < n; row++) |
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h += mosaic[0][row][0].getHeight(); |
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} |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getDataType()
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*/
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public int[] getDataType() { |
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if(mosaic != null && mosaic[0][0][0] != null) |
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return mosaic[0][0][0].getDataType(); |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getDatasetCount()
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*/
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public int getDatasetCount() { |
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if(mosaic != null && mosaic[0][0][0] != null) |
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return mosaic[0][0][0].getDatasetCount(); |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#getFileSize()
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*/
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public long getFileSize() { |
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long size = 0; |
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int k = mosaic.length;
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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for (int level = 0; level < k; level++) { |
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for (int row = 0; row < n; row++) { |
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for (int col = 0; col < m; col++) { |
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size += mosaic[level][row][col].getFileSize(); |
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} |
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} |
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} |
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return size;
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} |
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/**
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* Obtiene el dataset cuyas coordenadas contienen el punto pasado por par?meto
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* @param x Coordenada X a comprobar
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* @param y Coordenada Y a comprobar
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* @return Point2D Posici?n del MultiRasterDataset dentro del mosaico
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*/
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private Point2D getDatasetByCoords(double x, double y) { |
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int k = mosaic.length;
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int n = mosaic[0].length; |
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int m = mosaic[0][0].length; |
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for (int level = 0; level < k; level++) { |
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for (int row = 0; row < n; row++) { |
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for (int col = 0; col < m; col++) { |
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if(RasterUtilities.isInside(new Point2D.Double(x, y), |
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mosaic[level][row][col].getExtent(), |
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mosaic[level][row][col].getAffineTransform())) |
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return new Point2D.Double(row, col); |
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} |
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} |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#isInside(java.awt.geom.Point2D)
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*/
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public boolean isInside(Point2D p) { |
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return RasterUtilities.isInside(p, getExtent(), getAffineTransform());
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.IRasterDataSource#rasterToWorld(java.awt.geom.Point2D)
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*/
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public Point2D rasterToWorld(Point2D pt) { |
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Point2D p = new Point2D.Double(); |
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getAffineTransform().transform(pt, p); |
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return p;
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} |
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|
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/*
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| 437 |
* (non-Javadoc)
|
| 438 |
* @see org.gvsig.raster.dataset.IRasterDataSource#worldToRaster(java.awt.geom.Point2D)
|
| 439 |
*/
|
| 440 |
public Point2D worldToRaster(Point2D pt) { |
| 441 |
Point2D p = new Point2D.Double(); |
| 442 |
try {
|
| 443 |
getAffineTransform().inverseTransform(pt, p); |
| 444 |
} catch (NoninvertibleTransformException e) { |
| 445 |
return pt;
|
| 446 |
} |
| 447 |
return p;
|
| 448 |
} |
| 449 |
|
| 450 |
/*
|
| 451 |
* (non-Javadoc)
|
| 452 |
* @see org.gvsig.raster.dataset.IRasterDataSource#isRotated()
|
| 453 |
*/
|
| 454 |
public boolean isRotated() { |
| 455 |
if(getAffineTransform().getShearX() != 0 || getAffineTransform().getShearY() != 0) |
| 456 |
return true; |
| 457 |
return false; |
| 458 |
} |
| 459 |
|
| 460 |
/*
|
| 461 |
* (non-Javadoc)
|
| 462 |
* @see org.gvsig.raster.dataset.IRasterDataSource#isGeoreferenced()
|
| 463 |
*/
|
| 464 |
public boolean isGeoreferenced() { |
| 465 |
//Este tipo de datasets siempre est? georreferenciado
|
| 466 |
return true; |
| 467 |
} |
| 468 |
|
| 469 |
public BandList getBands() {
|
| 470 |
return null; |
| 471 |
} |
| 472 |
|
| 473 |
public DatasetColorInterpretation getColorInterpretation(int dataset) { |
| 474 |
return null; |
| 475 |
} |
| 476 |
|
| 477 |
public ColorTable getColorTable(String fileName) { |
| 478 |
return null; |
| 479 |
} |
| 480 |
|
| 481 |
public ColorTable[] getColorTables() { |
| 482 |
return null; |
| 483 |
} |
| 484 |
|
| 485 |
public Object getData(int x, int y, int band) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
| 486 |
return null; |
| 487 |
} |
| 488 |
|
| 489 |
public RasterDataset[] getDataset(int i) { |
| 490 |
return null; |
| 491 |
} |
| 492 |
|
| 493 |
public RasterDataset getDataset(String fileName) { |
| 494 |
return null; |
| 495 |
} |
| 496 |
|
| 497 |
public Extent getLastSelectedView() {
|
| 498 |
return null; |
| 499 |
} |
| 500 |
|
| 501 |
public String[] getNameDatasetStringList(int i, int j) { |
| 502 |
return null; |
| 503 |
} |
| 504 |
|
| 505 |
public DatasetListStatistics getStatistics() {
|
| 506 |
return null; |
| 507 |
} |
| 508 |
|
| 509 |
public Transparency getTransparencyFilesStatus() { |
| 510 |
return null; |
| 511 |
} |
| 512 |
|
| 513 |
|
| 514 |
|
| 515 |
public IBuffer getWindowRaster(double ulx, double uly, double lrx, double lry) throws InvalidSetViewException { |
| 516 |
return null; |
| 517 |
} |
| 518 |
|
| 519 |
public IBuffer getWindowRaster(double ulx, double uly, double w, double h, boolean adjustToExtent) throws InvalidSetViewException { |
| 520 |
return null; |
| 521 |
} |
| 522 |
|
| 523 |
public IBuffer getWindowRaster(double ulx, double uly, double lrx, double lry, int bufWidth, int bufHeight, boolean adjustToExtent) throws InvalidSetViewException { |
| 524 |
return null; |
| 525 |
} |
| 526 |
|
| 527 |
public IBuffer getWindowRaster(int x, int y, int w, int h) throws InvalidSetViewException { |
| 528 |
return null; |
| 529 |
} |
| 530 |
|
| 531 |
public IBuffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight) throws InvalidSetViewException { |
| 532 |
return null; |
| 533 |
} |
| 534 |
|
| 535 |
public String getWktProjection() throws RasterDriverException { |
| 536 |
return null; |
| 537 |
} |
| 538 |
|
| 539 |
public void removeDataset(String fileName) { |
| 540 |
} |
| 541 |
|
| 542 |
public void removeDataset(RasterDataset file) { |
| 543 |
} |
| 544 |
|
| 545 |
public void saveGeoToRmf() throws IOException { |
| 546 |
} |
| 547 |
|
| 548 |
public void saveRmfModification() throws IOException { |
| 549 |
} |
| 550 |
|
| 551 |
public void setAffineTransform(AffineTransform transf) { |
| 552 |
} |
| 553 |
|
| 554 |
|
| 555 |
public Histogram getHistogram() throws HistogramException { |
| 556 |
return null; |
| 557 |
} |
| 558 |
|
| 559 |
public int getPercent() { |
| 560 |
return 0; |
| 561 |
} |
| 562 |
|
| 563 |
public void resetPercent() { |
| 564 |
} |
| 565 |
|
| 566 |
public boolean isCanceled(int process) { |
| 567 |
return false; |
| 568 |
} |
| 569 |
|
| 570 |
public void setCanceled(boolean value, int process) { |
| 571 |
} |
| 572 |
|
| 573 |
} |