Revision 1407
| org.gvsig.raster.gdal/tags/buildNumber_22/org.gvsig.raster.gdal/distribution/distribution.xml | ||
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<assembly> |
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</assembly> |
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| org.gvsig.raster.gdal/tags/buildNumber_22/org.gvsig.raster.gdal/org.gvsig.raster.gdal.io/src/main/resources/META-INF/services/org.gvsig.tools.library.Library | ||
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org.gvsig.raster.gdal.io.DefaultGdalIOLibrary |
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| org.gvsig.raster.gdal/tags/buildNumber_22/org.gvsig.raster.gdal/org.gvsig.raster.gdal.io/src/main/java/org/gvsig/raster/memory/io/MemoryRasterProvider.java | ||
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/* gvSIG. Geographic Information System of the Valencian Government |
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* |
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* Copyright (C) 2007-2008 Infrastructures and Transports Department |
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* of the Valencian Government (CIT) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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*/ |
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package org.gvsig.raster.memory.io; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import org.cresques.cts.ICoordTrans; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
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import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.metadata.MetadataLocator; |
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import org.gvsig.raster.cache.tile.provider.TileListener; |
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import org.gvsig.raster.cache.tile.provider.TileServer; |
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import org.gvsig.raster.impl.datastruct.ExtentImpl; |
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import org.gvsig.raster.impl.provider.DefaultRasterProvider; |
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import org.gvsig.raster.impl.provider.RasterProvider; |
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import org.gvsig.raster.impl.store.AbstractRasterDataParameters; |
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import org.gvsig.raster.impl.store.properties.DataStoreTransparency; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.task.TaskStatus; |
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/** |
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* Driver para datos cargados en un objeto IBuffer |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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* |
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*/ |
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public class MemoryRasterProvider extends DefaultRasterProvider {
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public static String NAME = "Gdal Store"; |
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public static String DESCRIPTION = "Gdal Raster file"; |
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public static final String METADATA_DEFINITION_NAME = "GdalStore"; |
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private Extent v = null; |
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protected Buffer buffer = null; |
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private Extent extent = null; |
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private boolean open = false; |
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/** |
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* Estado de transparencia del raster. |
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*/ |
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protected DataStoreTransparency fileTransparency = null; |
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public static void register() {
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.impl.provider.RasterProvider#registerTileProviderFormats(java.lang.Class) |
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*/ |
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public void registerTileProviderFormats(Class<RasterProvider> c) {
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} |
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/** |
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* Mandatory constructor to instantiate an empty provider |
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*/ |
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public MemoryRasterProvider() {}
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/** |
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* Constructor. Asigna el buffer de datos y la extensi?n |
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* @param proj Proyecci?n |
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* @param buf Buffer |
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* @throws NotSupportedExtensionException |
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*/ |
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public MemoryRasterProvider(AbstractRasterDataParameters params, |
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
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super(params, storeServices, ToolsLocator.getDynObjectManager() |
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.createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition( |
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METADATA_DEFINITION_NAME))); |
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setParam(storeServices, params); |
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if(!(params instanceof MemoryDataParameters)) |
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throw new NotSupportedExtensionException("Buffer not supported");
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extent = ((MemoryDataParameters)params).getExtent(); |
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this.buffer = ((MemoryDataParameters)params).getBuffer(); |
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if(extent != null) {
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double psX = (extent.maxX() - extent.minX()) / buffer.getWidth(); |
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double psY = (extent.minY() - extent.maxY()) / buffer.getHeight(); |
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ownTransformation = new AffineTransform(psX, 0, 0, psY, extent.minX(), extent.maxY()); |
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} else |
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ownTransformation = new AffineTransform(1, 0, 0, -1, 0, buffer.getHeight()); |
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if(buffer == null) |
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throw new NotSupportedExtensionException("Buffer invalid");
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load(); |
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bandCount = buffer.getBandCount(); |
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//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf |
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int[] dt = new int[buffer.getBandCount()]; |
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for (int i = 0; i < dt.length; i++) |
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dt[i] = buffer.getDataType(); |
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setDataType(dt); |
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open = true; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.dataset.GeoInfo#load() |
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*/ |
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public RasterProvider load() {
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return this; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.impl.provider.RasterProvider#isOpen() |
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*/ |
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public boolean isOpen() {
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return open; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.dataset.GeoInfo#close() |
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*/ |
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public void close() {
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buffer = null; |
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open = false; |
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} |
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/** |
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* Asigna el extent de la vista actual. |
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*/ |
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public void setView(Extent e) {
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v = e; |
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} |
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/** |
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* Obtiene extent de la vista actual |
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*/ |
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public Extent getView() {
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return v; |
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} |
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/** |
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* Obtiene la anchura del fichero |
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*/ |
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public double getWidth() {
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return buffer.getWidth(); |
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} |
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/** |
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* Obtiene la altura del fichero |
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*/ |
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public double getHeight() {
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return buffer.getHeight(); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.cresques.geo.Projected#reProject(org.cresques.cts.ICoordTrans) |
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*/ |
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public void reProject(ICoordTrans rp) {
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} |
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/** |
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* Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder |
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* asignarlo en el setView. Esto es util para poder conocer como debe leerse la image, |
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* de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda. |
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* La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose |
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* en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son: |
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* <UL> |
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* <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
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* <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
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* <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
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* <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
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* </UL> |
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* |
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* @return |
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*/ |
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/*private boolean[] getOrientation(){
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boolean[] orientation = {true, false};
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return orientation; |
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}*/ |
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/* (non-Javadoc) |
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* @see org.cresques.io.GeoRasterFile#getData(int, int, int) |
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*/ |
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public Object getData(int x, int y, int band) {
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if(buffer.getDataType() == Buffer.TYPE_BYTE){
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return new Integer(buffer.getElemByte(y, x, band)); |
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}else if(buffer.getDataType() == Buffer.TYPE_SHORT){
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return new Integer(buffer.getElemShort(y, x, band)); |
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}else if(buffer.getDataType() == Buffer.TYPE_INT){
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return new Integer(buffer.getElemInt(y, x, band)); |
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}else if(buffer.getDataType() == Buffer.TYPE_FLOAT){
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return new Float(buffer.getElemFloat(y, x, band)); |
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}else if(buffer.getDataType() == Buffer.TYPE_DOUBLE){
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return new Double(buffer.getElemDouble(y, x, band)); |
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} |
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return null; |
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} |
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/** |
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* Devuelve el tama?o de bloque |
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* @return Tama?o de bloque |
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*/ |
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public int getBlockSize(){
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return 0; |
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} |
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/** |
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* Obtiene el flag que dice si la imagen est? o no georreferenciada |
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* @return true si est? georreferenciada y false si no lo est?. |
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*/ |
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public boolean isGeoreferenced() {
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return (this.extent != null); |
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} |
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/** |
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* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar? |
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* el valor de esta variable cada vez que dibuja. |
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* @return true si se ha supersampleado y false si no se ha hecho. |
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*/ |
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public boolean isSupersampling() {
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return false; |
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} |
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/** |
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* @return Returns the dataType. |
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*/ |
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public int[] getDataType() {
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int[] dt = new int[buffer.getBandCount()]; |
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for (int i = 0; i < dt.length; i++) |
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dt[i] = buffer.getDataType(); |
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return dt; |
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} |
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/** |
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* Ajusta los puntos pasados por par?metro a los l?mites del buffer. Es decir si alguno excede |
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* los l?mites por arriba o por abajo los ajusta. |
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* @param begin Punto inicial |
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* @param end Punto final |
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*/ |
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private void adjustPointsToBufferLimits(Point2D begin, Point2D end) {
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if(begin.getX() < 0) |
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begin.setLocation(0, begin.getY()); |
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if(begin.getY() > buffer.getHeight()) |
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begin.setLocation(begin.getX(), buffer.getHeight()); |
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if(end.getY() < 0) |
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end.setLocation(begin.getX(), 0); |
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if(end.getX() > buffer.getWidth()) |
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begin.setLocation(buffer.getWidth(), begin.getY()); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(org.gvsig.fmap.dal.coverage.datastruct.Extent, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.raster.cache.tile.provider.TileListener) |
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*/ |
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public void getWindow(Extent ex, int bufWidth, int bufHeight, |
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BandList bandList, TileListener listener, TaskStatus status) throws ProcessInterruptedException, RasterDriverException {
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer) |
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*/ |
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public Buffer getWindow(Extent ex, BandList bandList, Buffer rasterBuf, TaskStatus status) {
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Point2D begin = worldToRaster(new Point2D.Double(ex.getULX(), ex.getULY())); |
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Point2D end = worldToRaster(new Point2D.Double(ex.getLRX(), ex.getLRY())); |
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setView(ex); |
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adjustPointsToBufferLimits(begin, end); |
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switch(buffer.getDataType()){
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case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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} |
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return rasterBuf; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer, boolean) |
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*/ |
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public Buffer getWindow(double x, double y, double w, double h, |
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BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) {
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Point2D begin = worldToRaster(new Point2D.Double(x, y)); |
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Point2D end = worldToRaster(new Point2D.Double(x + w, y - h)); |
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setView(new ExtentImpl(x, y, x + w, y - h)); |
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adjustPointsToBufferLimits(begin, end); |
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switch(buffer.getDataType()){
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case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, 1, 1, begin, bandList); break; |
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} |
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return rasterBuf; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(double, double, double, double, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer, boolean) |
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*/ |
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public Buffer getWindow(Extent extent, int bufWidth, int bufHeight, |
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BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) {
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Point2D begin = worldToRaster(new Point2D.Double(extent.getMin().getX(), extent.getMax().getY())); |
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Point2D end = worldToRaster(new Point2D.Double(extent.getMax().getX(), extent.getMin().getY())); |
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setView(extent); |
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adjustPointsToBufferLimits(begin, end); |
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//Ancho y alto en pixels (double) del area seleccionada. |
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double w = Math.abs(end.getX() - begin.getX()); |
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double h = Math.abs(end.getY() - begin.getY()); |
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//Relaci?n entre el n?mero de pixels del buffer origen (area seleccionada) y el destino |
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double stepX = w / ((double)bufWidth); |
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double stepY = h / ((double)bufHeight); |
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//Escritura separada en 5 llamadas para mejorar el rendimiento |
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switch(buffer.getDataType()){
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case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
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case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
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case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
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case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
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case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, stepX, stepY, begin, bandList); break; |
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} |
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|
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/*int xPx = 0, yPx = 0; |
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for (int iBand = 0; iBand < rasterBuf.getBandCount(); iBand++) {
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yPx = 0; |
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for(double row = begin.getY(); yPx < bufHeight; row += stepY) {
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xPx = 0; |
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for(double col = begin.getX(); xPx < bufWidth; col += stepX) {
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|
| 364 |
switch(buffer.getDataType()){
|
|
| 365 |
case Buffer.TYPE_BYTE: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemByte((int)row, (int)col, iBand)); break; |
|
| 366 |
case Buffer.TYPE_SHORT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemShort((int)row, (int)col, iBand)); break; |
|
| 367 |
case Buffer.TYPE_INT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemInt((int)row, (int)col, iBand)); break; |
|
| 368 |
case Buffer.TYPE_FLOAT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemFloat((int)row, (int)col, iBand)); break; |
|
| 369 |
case Buffer.TYPE_DOUBLE: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemDouble((int)row, (int)col, iBand)); break; |
|
| 370 |
} |
|
| 371 |
xPx ++; |
|
| 372 |
} |
|
| 373 |
yPx ++; |
|
| 374 |
} |
|
| 375 |
}*/ |
|
| 376 |
return rasterBuf; |
|
| 377 |
} |
|
| 378 |
|
|
| 379 |
/** |
|
| 380 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores |
|
| 381 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a |
|
| 382 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento. |
|
| 383 |
* @param rasterBuf Buffer donde se escriben los datos |
|
| 384 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario |
|
| 385 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino. |
|
| 386 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario |
|
| 387 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino. |
|
| 388 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio |
|
| 389 |
* del pixel. Esto es util cuando se supersamplea. |
|
| 390 |
*/ |
|
| 391 |
private void writeByteBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) {
|
|
| 392 |
int xPx = 0, yPx = 0; |
|
| 393 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 394 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getURIOfFirstProvider(), iBand); |
|
| 395 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
|
| 396 |
continue; |
|
| 397 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) {
|
|
| 398 |
yPx = 0; |
|
| 399 |
for(double row = begin.getY(); (yPx < rasterBuf.getHeight() && row < buffer.getHeight()); row += stepY) {
|
|
| 400 |
xPx = 0; |
|
| 401 |
for(double col = begin.getX(); (xPx < rasterBuf.getWidth() && col < buffer.getWidth()); col += stepX) {
|
|
| 402 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemByte((int)row, (int)col, iBand)); |
|
| 403 |
xPx ++; |
|
| 404 |
} |
|
| 405 |
yPx ++; |
|
| 406 |
} |
|
| 407 |
} |
|
| 408 |
} |
|
| 409 |
} |
|
| 410 |
|
|
| 411 |
/** |
|
| 412 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores |
|
| 413 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a |
|
| 414 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento. |
|
| 415 |
* @param rasterBuf Buffer donde se escriben los datos |
|
| 416 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario |
|
| 417 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino. |
|
| 418 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario |
|
| 419 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino. |
|
| 420 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio |
|
| 421 |
* del pixel. Esto es util cuando se supersamplea. |
|
| 422 |
*/ |
|
| 423 |
private void writeShortBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) {
|
|
| 424 |
int xPx = 0, yPx = 0; |
|
| 425 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 426 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getURIOfFirstProvider(), iBand); |
|
| 427 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
|
| 428 |
continue; |
|
| 429 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) {
|
|
| 430 |
yPx = 0; |
|
| 431 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) {
|
|
| 432 |
xPx = 0; |
|
| 433 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) {
|
|
| 434 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemShort((int)row, (int)col, iBand)); |
|
| 435 |
xPx ++; |
|
| 436 |
} |
|
| 437 |
yPx ++; |
|
| 438 |
} |
|
| 439 |
} |
|
| 440 |
} |
|
| 441 |
} |
|
| 442 |
|
|
| 443 |
/** |
|
| 444 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores |
|
| 445 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a |
|
| 446 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento. |
|
| 447 |
* @param rasterBuf Buffer donde se escriben los datos |
|
| 448 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario |
|
| 449 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino. |
|
| 450 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario |
|
| 451 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino. |
|
| 452 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio |
|
| 453 |
* del pixel. Esto es util cuando se supersamplea. |
|
| 454 |
*/ |
|
| 455 |
private void writeIntBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) {
|
|
| 456 |
int xPx = 0, yPx = 0; |
|
| 457 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 458 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getURIOfFirstProvider(), iBand); |
|
| 459 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
|
| 460 |
continue; |
|
| 461 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) {
|
|
| 462 |
yPx = 0; |
|
| 463 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) {
|
|
| 464 |
xPx = 0; |
|
| 465 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) {
|
|
| 466 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemInt((int)row, (int)col, iBand)); |
|
| 467 |
xPx ++; |
|
| 468 |
} |
|
| 469 |
yPx ++; |
|
| 470 |
} |
|
| 471 |
} |
|
| 472 |
} |
|
| 473 |
} |
|
| 474 |
|
|
| 475 |
/** |
|
| 476 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores |
|
| 477 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a |
|
| 478 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento. |
|
| 479 |
* @param rasterBuf Buffer donde se escriben los datos |
|
| 480 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario |
|
| 481 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino. |
|
| 482 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario |
|
| 483 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino. |
|
| 484 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio |
|
| 485 |
* del pixel. Esto es util cuando se supersamplea. |
|
| 486 |
*/ |
|
| 487 |
private void writeFloatBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) {
|
|
| 488 |
int xPx = 0, yPx = 0; |
|
| 489 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 490 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getURIOfFirstProvider(), iBand); |
|
| 491 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
|
| 492 |
continue; |
|
| 493 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) {
|
|
| 494 |
yPx = 0; |
|
| 495 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) {
|
|
| 496 |
xPx = 0; |
|
| 497 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) {
|
|
| 498 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemFloat((int)row, (int)col, iBand)); |
|
| 499 |
xPx ++; |
|
| 500 |
} |
|
| 501 |
yPx ++; |
|
| 502 |
} |
|
| 503 |
} |
|
| 504 |
} |
|
| 505 |
} |
|
| 506 |
|
|
| 507 |
/** |
|
| 508 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores |
|
| 509 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a |
|
| 510 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento. |
|
| 511 |
* @param rasterBuf Buffer donde se escriben los datos |
|
| 512 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario |
|
| 513 |
* ya que el buffer destino no tiene porque tener el mismo ancho que el de origen. Este valor suele ser ancho_buffer_origen / ancho_buffer_destino. |
|
| 514 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario |
|
| 515 |
* ya que el buffer destino no tiene porque tener el mismo alto que el de origen. Este valor suele ser alto_buffer_origen / alto_buffer_destino. |
|
| 516 |
* @param begin pixel donde se comienza a leer en el buffer de origen. Este valor es decimal ya que no tiene porque empezar a leerse al principio |
|
| 517 |
* del pixel. Esto es util cuando se supersamplea. |
|
| 518 |
*/ |
|
| 519 |
private void writeDoubleBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) {
|
|
| 520 |
int xPx = 0, yPx = 0; |
|
| 521 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 522 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getURIOfFirstProvider(), iBand); |
|
| 523 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
|
| 524 |
continue; |
|
| 525 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) {
|
|
| 526 |
yPx = 0; |
|
| 527 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) {
|
|
| 528 |
xPx = 0; |
|
| 529 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) {
|
|
| 530 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemDouble((int)row, (int)col, iBand)); |
|
| 531 |
xPx ++; |
|
| 532 |
} |
|
| 533 |
yPx ++; |
|
| 534 |
} |
|
| 535 |
} |
|
| 536 |
} |
|
| 537 |
} |
|
| 538 |
|
|
| 539 |
/* |
|
| 540 |
* (non-Javadoc) |
|
| 541 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer) |
|
| 542 |
*/ |
|
| 543 |
// public Buffer getWindow(int x, int y, BandList bandList, Buffer rasterBuf) {
|
|
| 544 |
// int w = rasterBuf.getWidth(); |
|
| 545 |
// int h = rasterBuf.getHeight(); |
|
| 546 |
// setView( |
|
| 547 |
// new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(), |
|
| 548 |
// getWidth(), |
|
| 549 |
// getHeight(), |
|
| 550 |
// new Rectangle2D.Double(x, y, w, h))) |
|
| 551 |
// ); |
|
| 552 |
// |
|
| 553 |
// for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++){
|
|
| 554 |
// int[] drawableBands = bandList.getBufferBandToDraw(this.getURIOfFirstProvider(), iBand); |
|
| 555 |
// if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
|
| 556 |
// continue; |
|
| 557 |
// if(buffer.getDataType() == Buffer.TYPE_BYTE) {
|
|
| 558 |
// for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) {
|
|
| 559 |
// for(int line = y; line < (y + h); line ++) |
|
| 560 |
// for(int col = x; col < (x + w); col ++) |
|
| 561 |
// rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemByte(line, col, drawableBands[drawBands])); |
|
| 562 |
// } |
|
| 563 |
// }else if(buffer.getDataType() == Buffer.TYPE_SHORT){
|
|
| 564 |
// for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){
|
|
| 565 |
// for(int line = y; line < (y + h); line ++) |
|
| 566 |
// for(int col = x; col < (x + w); col ++) |
|
| 567 |
// rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemShort(line, col, drawableBands[drawBands])); |
|
| 568 |
// } |
|
| 569 |
// }else if(buffer.getDataType() == Buffer.TYPE_INT){
|
|
| 570 |
// for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){
|
|
| 571 |
// for(int line = y; line < (y + h); line ++) |
|
| 572 |
// for(int col = x; col < (x + w); col ++) |
|
| 573 |
// rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemInt(line, col, drawableBands[drawBands])); |
|
| 574 |
// } |
|
| 575 |
// }else if(buffer.getDataType() == Buffer.TYPE_FLOAT){
|
|
| 576 |
// for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){
|
|
| 577 |
// for(int line = y; line < (y + h); line ++) |
|
| 578 |
// for(int col = x; col < (x + w); col ++) |
|
| 579 |
// rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemFloat(line, col, drawableBands[drawBands])); |
|
| 580 |
// } |
|
| 581 |
// }else if(buffer.getDataType() == Buffer.TYPE_DOUBLE){
|
|
| 582 |
// for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){
|
|
| 583 |
// for(int line = y; line < (y + h); line ++) |
|
| 584 |
// for(int col = x; col < (x + w); col ++) |
|
| 585 |
// rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemDouble(line, col, drawableBands[drawBands])); |
|
| 586 |
// } |
|
| 587 |
// } |
|
| 588 |
// } |
|
| 589 |
// return rasterBuf; |
|
| 590 |
// } |
|
| 591 |
|
|
| 592 |
/* |
|
| 593 |
* (non-Javadoc) |
|
| 594 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, int, int, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer) |
|
| 595 |
*/ |
|
| 596 |
public Buffer getWindow(int x, int y, int w, int h, |
|
| 597 |
BandList bandList, Buffer rasterBuf, TaskStatus status) {
|
|
| 598 |
setView( |
|
| 599 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(), |
|
| 600 |
getWidth(), |
|
| 601 |
getHeight(), |
|
| 602 |
new Rectangle2D.Double(x, y, w, h))) |
|
| 603 |
); |
|
| 604 |
|
|
| 605 |
//Relaci?n entre el n?mero de pixels del buffer origen (area seleccionada) y el destino |
|
| 606 |
double stepX = w / ((double)rasterBuf.getWidth()); |
|
| 607 |
double stepY = h / ((double)rasterBuf.getHeight()); |
|
| 608 |
switch(buffer.getDataType()){
|
|
| 609 |
case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
|
| 610 |
case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
|
| 611 |
case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
|
| 612 |
case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
|
| 613 |
case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
|
| 614 |
} |
|
| 615 |
return rasterBuf; |
|
| 616 |
} |
|
| 617 |
|
|
| 618 |
/* |
|
| 619 |
* (non-Javadoc) |
|
| 620 |
* @see org.gvsig.raster.dataset.RasterDataset#readCompleteLine(int, int) |
|
| 621 |
*/ |
|
| 622 |
public Object readCompleteLine(int line, int band) throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
|
| 623 |
switch(buffer.getDataType()){
|
|
| 624 |
case Buffer.TYPE_BYTE: return buffer.getLineFromBandByte(line, band); |
|
| 625 |
case Buffer.TYPE_SHORT: return buffer.getLineFromBandShort(line, band); |
|
| 626 |
case Buffer.TYPE_INT: return buffer.getLineFromBandInt(line, band); |
|
| 627 |
case Buffer.TYPE_FLOAT: return buffer.getLineFromBandFloat(line, band); |
|
| 628 |
case Buffer.TYPE_DOUBLE: return buffer.getLineFromBandDouble(line, band); |
|
| 629 |
} |
|
| 630 |
return null; |
|
| 631 |
} |
|
| 632 |
|
|
| 633 |
/* |
|
| 634 |
* (non-Javadoc) |
|
| 635 |
* @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int, double) |
|
| 636 |
*/ |
|
| 637 |
public Object readBlock(int pos, int blockHeight, double scale) throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
|
| 638 |
if(pos < 0) |
|
| 639 |
throw new InvalidSetViewException("Request out of grid");
|
|
| 640 |
|
|
| 641 |
if((pos + blockHeight) > buffer.getHeight()) |
|
| 642 |
blockHeight = Math.abs(buffer.getHeight() - pos); |
|
| 643 |
|
|
| 644 |
switch(buffer.getDataType()){
|
|
| 645 |
case Buffer.TYPE_BYTE: |
|
| 646 |
byte[][][] bufb = new byte[getBandCount()][][]; |
|
| 647 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 648 |
for (int row = 0; row < blockHeight; row++) {
|
|
| 649 |
bufb[iBand][row] = buffer.getLineFromBandByte(row, iBand); |
|
| 650 |
} |
|
| 651 |
} |
|
| 652 |
return bufb; |
|
| 653 |
case Buffer.TYPE_SHORT: |
|
| 654 |
short[][][] bufs = new short[getBandCount()][][]; |
|
| 655 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 656 |
for (int row = 0; row < blockHeight; row++) {
|
|
| 657 |
bufs[iBand][row] = buffer.getLineFromBandShort(row, iBand); |
|
| 658 |
} |
|
| 659 |
} |
|
| 660 |
return bufs; |
|
| 661 |
case Buffer.TYPE_INT: |
|
| 662 |
int[][][] bufi = new int[getBandCount()][][]; |
|
| 663 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 664 |
for (int row = 0; row < blockHeight; row++) {
|
|
| 665 |
bufi[iBand][row] = buffer.getLineFromBandInt(row, iBand); |
|
| 666 |
} |
|
| 667 |
} |
|
| 668 |
return bufi; |
|
| 669 |
case Buffer.TYPE_FLOAT: |
|
| 670 |
float[][][] buff = new float[getBandCount()][][]; |
|
| 671 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 672 |
for (int row = 0; row < blockHeight; row++) {
|
|
| 673 |
buff[iBand][row] = buffer.getLineFromBandFloat(row, iBand); |
|
| 674 |
} |
|
| 675 |
} |
|
| 676 |
return buff; |
|
| 677 |
case Buffer.TYPE_DOUBLE: |
|
| 678 |
double[][][] bufd = new double[getBandCount()][][]; |
|
| 679 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) {
|
|
| 680 |
for (int row = 0; row < blockHeight; row++) {
|
|
| 681 |
bufd[iBand][row] = buffer.getLineFromBandDouble(row, iBand); |
|
| 682 |
} |
|
| 683 |
} |
|
| 684 |
return bufd; |
|
| 685 |
} |
|
| 686 |
return null; |
|
| 687 |
} |
|
| 688 |
|
|
| 689 |
/** |
|
| 690 |
* Obtiene el objeto que contiene el estado de la transparencia |
|
| 691 |
*/ |
|
| 692 |
public DataStoreTransparency getTransparency() {
|
|
| 693 |
if(fileTransparency == null) |
|
| 694 |
fileTransparency = new DataStoreTransparency(); |
|
| 695 |
return fileTransparency; |
|
| 696 |
} |
|
| 697 |
|
|
| 698 |
/* |
|
| 699 |
* (non-Javadoc) |
|
| 700 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewCount(int) |
|
| 701 |
*/ |
|
| 702 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException {
|
|
| 703 |
if(band >= getBandCount()) |
|
| 704 |
throw new BandAccessException("Wrong band");
|
|
| 705 |
return 0; |
|
| 706 |
} |
|
| 707 |
|
|
| 708 |
/* |
|
| 709 |
* (non-Javadoc) |
|
| 710 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewWidth(int, int) |
|
| 711 |
*/ |
|
| 712 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException {
|
|
| 713 |
if (band >= getBandCount()) |
|
| 714 |
throw new BandAccessException("Wrong band");
|
|
| 715 |
return 0; |
|
| 716 |
} |
|
| 717 |
|
|
| 718 |
/* |
|
| 719 |
* (non-Javadoc) |
|
| 720 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewWidth(int, int) |
|
| 721 |
*/ |
|
| 722 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException {
|
|
| 723 |
if (band >= getBandCount()) |
|
| 724 |
throw new BandAccessException("Wrong band");
|
|
| 725 |
return 0; |
|
| 726 |
} |
|
| 727 |
|
|
| 728 |
/* |
|
| 729 |
* (non-Javadoc) |
|
| 730 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isOverviewsSupported() |
|
| 731 |
*/ |
|
| 732 |
public boolean isOverviewsSupported() {
|
|
| 733 |
return false; |
|
| 734 |
} |
|
| 735 |
|
|
| 736 |
/* |
|
| 737 |
* (non-Javadoc) |
|
| 738 |
* @see org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider#getName() |
|
| 739 |
*/ |
|
| 740 |
public String getName() {
|
|
| 741 |
return NAME; |
|
| 742 |
} |
|
| 743 |
|
|
| 744 |
/* |
|
| 745 |
* (non-Javadoc) |
|
| 746 |
* @see org.gvsig.raster.impl.provider.RasterProvider#setStatus(org.gvsig.raster.impl.provider.RasterProvider) |
|
| 747 |
*/ |
|
| 748 |
public void setStatus(RasterProvider provider) {
|
|
| 749 |
if(provider instanceof MemoryRasterProvider) {
|
|
| 750 |
//Not implemented yet |
|
| 751 |
} |
|
| 752 |
} |
|
| 753 |
|
|
| 754 |
/* |
|
| 755 |
* (non-Javadoc) |
|
| 756 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getTileServer() |
|
| 757 |
*/ |
|
| 758 |
public TileServer getTileServer() {
|
|
| 759 |
return null; |
|
| 760 |
} |
|
| 761 |
} |
|
| 0 | 762 | |
| org.gvsig.raster.gdal/tags/buildNumber_22/org.gvsig.raster.gdal/org.gvsig.raster.gdal.io/src/main/java/org/gvsig/raster/memory/io/MemoryDataParameters.java | ||
|---|---|---|
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government |
|
| 2 |
* |
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department |
|
| 4 |
* of the Valencian Government (CIT) |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
| 19 |
* MA 02110-1301, USA. |
|
| 20 |
* |
|
| 21 |
*/ |
|
| 22 |
|
|
| 23 |
/* |
|
| 24 |
* AUTHORS (In addition to CIT): |
|
| 25 |
* 2009 IVER T.I {{Task}}
|
|
| 26 |
*/ |
|
| 27 |
|
|
| 28 |
package org.gvsig.raster.memory.io; |
|
| 29 |
|
|
| 30 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
|
| 31 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
|
| 32 |
import org.gvsig.raster.impl.store.AbstractRasterFileDataParameters; |
|
| 33 |
|
|
| 34 |
/** |
|
| 35 |
* Parameters for the memory provider |
|
| 36 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
|
| 37 |
*/ |
|
| 38 |
public class MemoryDataParameters extends AbstractRasterFileDataParameters {
|
|
| 39 |
private final String id = "memory"; |
|
| 40 |
private Buffer buffer = null; |
|
| 41 |
private Extent extent = null; |
|
| 42 |
|
|
| 43 |
/** |
|
| 44 |
* Constructor vacio |
|
| 45 |
*/ |
|
| 46 |
public MemoryDataParameters() {
|
|
| 47 |
} |
|
| 48 |
|
|
| 49 |
/** |
|
| 50 |
* Contructor |
|
| 51 |
* @param buf buffer del driver |
|
| 52 |
* @param ext extensi?n del buffer |
|
| 53 |
*/ |
|
| 54 |
public MemoryDataParameters(Buffer buf, Extent ext) {
|
|
| 55 |
this.buffer = buf; |
|
| 56 |
this.extent = ext; |
|
| 57 |
} |
|
| 58 |
|
|
| 59 |
/** |
|
| 60 |
* Obtiene el buffer de datos |
|
| 61 |
* @return Buffer |
|
| 62 |
*/ |
|
| 63 |
public Buffer getBuffer() {
|
|
| 64 |
return buffer; |
|
| 65 |
} |
|
| 66 |
|
|
| 67 |
/** |
|
| 68 |
* Asigna el buffer de datos |
|
| 69 |
* @param buffer Buffer |
|
| 70 |
*/ |
|
| 71 |
public void setBuffer(Buffer buffer) {
|
|
| 72 |
this.buffer = buffer; |
|
| 73 |
} |
|
| 74 |
|
|
| 75 |
/** |
|
| 76 |
* Obtiene la extensi?n del buffer de datos |
|
| 77 |
* @return Extent |
|
| 78 |
*/ |
|
| 79 |
public Extent getExtent() {
|
|
| 80 |
return extent; |
|
| 81 |
} |
|
| 82 |
|
|
| 83 |
/**O |
|
| 84 |
* Asigna la extensi?n del buffer de datos |
|
| 85 |
* @param extent |
|
| 86 |
*/ |
|
| 87 |
public void setExtent(Extent extent) {
|
|
| 88 |
this.extent = extent; |
|
| 89 |
} |
|
| 90 |
|
|
| 91 |
/** |
|
| 92 |
* Obtiene el identificador del driver |
|
| 93 |
* @return String |
|
| 94 |
*/ |
|
| 95 |
public String getFormatID() {
|
|
| 96 |
return id; |
|
| 97 |
} |
|
| 98 |
|
|
| 99 |
/* |
|
| 100 |
* (non-Javadoc) |
|
| 101 |
* @see org.gvsig.fmap.dal.DataStoreParameters#getDataStoreName() |
|
| 102 |
*/ |
|
| 103 |
public String getDataStoreName() {
|
|
| 104 |
return MemoryRasterProvider.NAME; |
|
| 105 |
} |
|
| 106 |
|
|
| 107 |
/* |
|
| 108 |
* (non-Javadoc) |
|
| 109 |
* @see org.gvsig.fmap.dal.DataStoreParameters#getDescription() |
|
| 110 |
*/ |
|
| 111 |
public String getDescription() {
|
|
| 112 |
return MemoryRasterProvider.DESCRIPTION; |
|
| 113 |
} |
|
| 114 |
} |
|
| 0 | 115 | |
| org.gvsig.raster.gdal/tags/buildNumber_22/org.gvsig.raster.gdal/org.gvsig.raster.gdal.io/src/main/java/org/gvsig/raster/gdal/io/GdalProvider.java | ||
|---|---|---|
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government |
|
| 2 |
* |
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department |
|
| 4 |
* of the Valencian Government (CIT) |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
| 19 |
* MA 02110-1301, USA. |
|
| 20 |
* |
|
| 21 |
*/ |
|
| 22 |
package org.gvsig.raster.gdal.io; |
|
| 23 |
|
|
| 24 |
import java.awt.geom.AffineTransform; |
|
| 25 |
import java.awt.geom.Point2D; |
|
| 26 |
import java.awt.geom.Rectangle2D; |
|
| 27 |
import java.io.BufferedReader; |
|
| 28 |
import java.io.File; |
|
| 29 |
import java.io.FileNotFoundException; |
|
| 30 |
import java.io.FileReader; |
|
| 31 |
import java.io.IOException; |
|
| 32 |
|
|
| 33 |
import org.gvsig.fmap.dal.DALFileLocator; |
|
| 34 |
import org.gvsig.fmap.dal.DALLocator; |
|
| 35 |
import org.gvsig.fmap.dal.DataStore; |
|
| 36 |
import org.gvsig.fmap.dal.coverage.RasterLocator; |
|
| 37 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
|
| 38 |
import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
|
| 39 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
|
| 40 |
import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
|
| 41 |
import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
|
| 42 |
import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
|
| 43 |
import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
|
| 44 |
import org.gvsig.fmap.dal.coverage.exception.ParsingException; |
|
| 45 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
|
| 46 |
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
|
| 47 |
import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
|
| 48 |
import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
|
| 49 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
|
| 50 |
import org.gvsig.jgdal.GdalException; |
|
| 51 |
import org.gvsig.metadata.MetadataLocator; |
|
| 52 |
import org.gvsig.raster.cache.tile.provider.TileListener; |
|
| 53 |
import org.gvsig.raster.cache.tile.provider.TileServer; |
|
| 54 |
import org.gvsig.raster.impl.datastruct.ExtentImpl; |
|
| 55 |
import org.gvsig.raster.impl.provider.DefaultRasterProvider; |
|
| 56 |
import org.gvsig.raster.impl.provider.RasterProvider; |
|
| 57 |
import org.gvsig.raster.impl.provider.tile.FileTileServer; |
|
| 58 |
import org.gvsig.raster.impl.store.AbstractRasterDataParameters; |
|
| 59 |
import org.gvsig.raster.impl.store.DefaultStoreFactory; |
|
| 60 |
import org.gvsig.raster.impl.store.properties.DataStoreMetadata; |
|
| 61 |
import org.gvsig.tools.ToolsLocator; |
|
| 62 |
import org.gvsig.tools.dynobject.DynObject; |
|
| 63 |
import org.gvsig.tools.extensionpoint.ExtensionPoint; |
|
| 64 |
import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
|
| 65 |
import org.gvsig.tools.task.TaskStatus; |
|
| 66 |
import org.slf4j.Logger; |
|
| 67 |
import org.slf4j.LoggerFactory; |
|
| 68 |
/** |
|
| 69 |
* This class represents the data access for gdal formats. |
|
| 70 |
* |
|
| 71 |
* @author Luis W. Sevilla |
|
| 72 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
|
| 73 |
*/ |
|
| 74 |
public class GdalProvider extends DefaultRasterProvider {
|
|
| 75 |
public static String NAME = "Gdal Store"; |
|
| 76 |
public static String DESCRIPTION = "Gdal Raster file"; |
|
| 77 |
public static final String METADATA_DEFINITION_NAME = "GdalStore"; |
|
| 78 |
private static final Logger logger = LoggerFactory.getLogger(GdalProvider.class); |
|
| 79 |
|
|
| 80 |
public static final String FORMAT_GTiff = "GTiff"; |
|
| 81 |
public static final String FORMAT_VRT = "VRT"; |
|
| 82 |
public static final String FORMAT_NITF = "NITF"; |
|
| 83 |
public static final String FORMAT_HFA = "HFA"; |
|
| 84 |
public static final String FORMAT_ELAS = "ELAS"; |
|
| 85 |
public static final String FORMAT_MEM = "MEM"; |
|
| 86 |
public static final String FORMAT_BMP = "BMP"; |
|
| 87 |
public static final String FORMAT_PCIDSK = "PCIDSK"; |
|
| 88 |
public static final String FORMAT_ILWIS = "ILWIS"; |
|
| 89 |
public static final String FORMAT_HDF4 = "HDF4Image"; |
|
| 90 |
public static final String FORMAT_PNM = "PNM"; |
|
| 91 |
public static final String FORMAT_ENVI = "ENVI"; |
|
| 92 |
public static final String FORMAT_EHDR = "EHdr"; |
|
| 93 |
public static final String FORMAT_PAUX = "PAux"; |
|
| 94 |
public static final String FORMAT_MFF = "MFF"; |
|
| 95 |
public static final String FORMAT_MFF2 = "MFF2"; |
|
| 96 |
public static final String FORMAT_BT = "BT"; |
|
| 97 |
public static final String FORMAT_IDA = "IDA"; |
|
| 98 |
public static final String FORMAT_RMF = "RMF"; |
|
| 99 |
public static final String FORMAT_RST = "RST"; |
|
| 100 |
public static final String FORMAT_LEVELLER = "Leveller"; |
|
| 101 |
public static final String FORMAT_TERRAGEN = "Terragen"; |
|
| 102 |
public static final String FORMAT_ERS = "ERS"; |
|
| 103 |
public static final String FORMAT_INGR = "INGR"; |
|
| 104 |
public static final String FORMAT_GSAG = "GSAG"; |
|
| 105 |
public static final String FORMAT_GSBG = "GSBG"; |
|
| 106 |
public static final String FORMAT_ADRG = "ADRG"; |
|
| 107 |
public static final int BAND_HEIGHT = 64; |
|
| 108 |
protected GdalNative file = null; |
|
| 109 |
private Extent viewRequest = null; |
|
| 110 |
protected static String[] formatList = null; |
|
| 111 |
|
|
| 112 |
public static void register() {
|
|
| 113 |
ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
|
| 114 |
registerFormats(); |
|
| 115 |
|
|
| 116 |
ExtensionPoint point = extensionPoints.get("DefaultRasterProvider");
|
|
| 117 |
point.append("reader", GdalProvider.NAME, GdalProvider.class);
|
|
| 118 |
|
|
| 119 |
RasterLocator.getManager().registerFileProvidersTiled(GdalProvider.class); |
|
| 120 |
|
|
| 121 |
DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
|
| 122 |
if (dataman != null && !dataman.getStoreProviders().contains(NAME)) {
|
|
| 123 |
dataman.registerStoreProvider(NAME, |
|
| 124 |
GdalProvider.class, GdalDataParameters.class); |
|
| 125 |
} |
|
| 126 |
|
|
| 127 |
if(DALFileLocator.getFilesystemServerExplorerManager() != null) |
|
| 128 |
DALFileLocator.getFilesystemServerExplorerManager().registerProvider( |
|
| 129 |
NAME, DESCRIPTION, |
|
| 130 |
GdalFilesystemServerExplorer.class); |
|
| 131 |
|
|
| 132 |
dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
|
| 133 |
} |
|
| 134 |
|
|
| 135 |
private static void registerFormats() {
|
|
| 136 |
formatList = new String[] {
|
|
| 137 |
"bmp", |
|
| 138 |
"gif", |
|
| 139 |
"tif", |
|
| 140 |
"tiff", |
|
| 141 |
"jpg", |
|
| 142 |
"jpeg", |
|
| 143 |
"png", |
|
| 144 |
"vrt", |
|
| 145 |
"dat", // Envi |
|
| 146 |
"lan", // Erdas |
|
| 147 |
"gis", // Erdas |
|
| 148 |
"img", // Erdas |
|
| 149 |
"pix", // PCI Geomatics |
|
| 150 |
"aux", // PCI Geomatics |
|
| 151 |
"adf", // ESRI Grids |
|
| 152 |
"mpr", // Ilwis |
|
| 153 |
"mpl", // Ilwis |
|
| 154 |
"map", // PC Raster |
|
| 155 |
"asc", |
|
| 156 |
"pgm", //Ficheros PNM en escala de grises |
|
| 157 |
"ppm", //Ficheros PNM en RGB |
|
| 158 |
"rst", //IDRISIS |
|
| 159 |
"rmf", //Raster Matrix Format |
|
| 160 |
"nos", |
|
| 161 |
"kap", |
|
| 162 |
"hdr", |
|
| 163 |
"raw", |
|
| 164 |
"ers", |
|
| 165 |
"xml"}; |
|
| 166 |
for (int i = 0; i < formatList.length; i++) |
|
| 167 |
RasterLocator.getManager().addFormat(formatList[i], GdalProvider.class); |
|
| 168 |
} |
|
| 169 |
|
|
| 170 |
/* |
|
| 171 |
* (non-Javadoc) |
|
| 172 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getFormatList() |
|
| 173 |
*/ |
|
| 174 |
public String[] getFormatList() {
|
|
| 175 |
return formatList; |
|
| 176 |
} |
|
| 177 |
|
|
| 178 |
/** |
|
| 179 |
* Returns true if the extension is supported and false if doesn't |
|
| 180 |
* @param ext |
|
| 181 |
* @return |
|
| 182 |
*/ |
|
| 183 |
public boolean isExtensionSupported(String ext) {
|
|
| 184 |
if(ext.indexOf(".") != -1)
|
|
| 185 |
ext = ext.substring(ext.lastIndexOf(".") + 1, ext.length());
|
|
| 186 |
for (int i = 0; i < formatList.length; i++) {
|
|
| 187 |
if(formatList[i].compareTo(ext) == 0) |
|
| 188 |
return true; |
|
| 189 |
} |
|
| 190 |
return false; |
|
| 191 |
} |
|
| 192 |
|
|
| 193 |
/** |
|
| 194 |
* Mandatory constructor to instantiate an empty provider |
|
| 195 |
*/ |
|
| 196 |
public GdalProvider() {
|
|
| 197 |
} |
|
| 198 |
|
|
| 199 |
/** |
|
| 200 |
* Constructor. Abre el dataset. |
|
| 201 |
* @param proj Proyecci?n |
|
| 202 |
* @param fName Nombre del fichero |
|
| 203 |
* @throws NotSupportedExtensionException |
|
| 204 |
*/ |
|
| 205 |
public GdalProvider(String params) throws NotSupportedExtensionException {
|
|
| 206 |
super(params); |
|
| 207 |
if(params instanceof String) {
|
|
| 208 |
GdalDataParameters p = new GdalDataParameters(); |
|
| 209 |
p.setURI((String)params); |
|
| 210 |
super.init(p, null, ToolsLocator.getDynObjectManager() |
|
| 211 |
.createDynObject( |
|
| 212 |
MetadataLocator.getMetadataManager().getDefinition( |
|
| 213 |
DataStore.METADATA_DEFINITION_NAME))); |
|
| 214 |
init(p, null); |
|
| 215 |
} |
|
| 216 |
} |
|
| 217 |
|
|
| 218 |
public GdalProvider (GdalDataParameters params, |
|
| 219 |
DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
|
|
| 220 |
super(params, storeServices, ToolsLocator.getDynObjectManager() |
|
| 221 |
.createDynObject( |
|
| 222 |
MetadataLocator.getMetadataManager().getDefinition( |
|
| 223 |
DataStore.METADATA_DEFINITION_NAME))); |
|
| 224 |
init(params, storeServices); |
|
| 225 |
} |
|
| 226 |
|
|
| 227 |
public GdalProvider(AbstractRasterDataParameters params, |
|
| 228 |
DataStoreProviderServices storeServices, DynObject metadata) {
|
|
| 229 |
super(params, storeServices, metadata); |
|
| 230 |
} |
|
| 231 |
|
|
| 232 |
/** |
|
| 233 |
* Creates file references and loads structures with the information and metadata |
|
| 234 |
* @param params load parameters |
|
| 235 |
* @throws NotSupportedExtensionException |
|
| 236 |
*/ |
|
| 237 |
public void init (AbstractRasterDataParameters params, |
|
| 238 |
DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
|
|
| 239 |
try {
|
|
| 240 |
setParam(storeServices, params); |
|
| 241 |
validRmf(params.getURI()); |
|
| 242 |
file = new GdalNative(translateFileName(params.getURI())); |
|
| 243 |
setColorInterpretation(file.colorInterpr); |
|
| 244 |
setColorTable(file.palette); |
|
| 245 |
noData = file.getNoDataValue(); |
|
| 246 |
wktProjection = file.getProjectionRef(); |
|
| 247 |
if(wktProjection != null && wktProjection != "") {
|
|
| 248 |
try {
|
|
| 249 |
proj = RasterLocator.getManager().getCRSUtils().convertWktToIProjection(wktProjection); |
|
| 250 |
} catch (Exception e) {
|
|
| 251 |
logger.info("Error reading WKT from the raster provider", e);
|
|
| 252 |
} |
|
| 253 |
} |
|
| 254 |
//CrsWkt crs = new CrsWkt(wktProjection); |
|
| 255 |
//IProjection proj = CRSFactory.getCRS("EPSG:23030");
|
|
| 256 |
ownTransformation = file.getOwnTransformation(); |
|
| 257 |
externalTransformation = (AffineTransform)ownTransformation.clone(); |
|
| 258 |
load(); |
|
| 259 |
|
|
| 260 |
if(file != null) |
|
| 261 |
bandCount = file.getRasterCount(); |
|
| 262 |
} catch (GdalException e) {
|
|
| 263 |
throw new NotSupportedExtensionException("Extension not supported", e);
|
|
| 264 |
} catch(Exception e) {
|
|
| 265 |
System.out.println("Error en GdalOpen");
|
|
| 266 |
e.printStackTrace(); |
|
| 267 |
file = null; |
|
| 268 |
} |
|
| 269 |
|
|
| 270 |
//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf |
|
| 271 |
int[] dt = new int[file.getDataType().length]; |
|
| 272 |
for (int i = 0; i < dt.length; i++) |
|
| 273 |
dt[i] = rasterUtil.getRasterBufTypeFromGdalType(file.getDataType()[i]); |
|
| 274 |
setDataType(dt); |
|
| 275 |
|
|
| 276 |
super.init(); |
|
| 277 |
|
|
| 278 |
try {
|
|
| 279 |
loadFromRmf(getRmfBlocksManager()); |
|
| 280 |
} catch (ParsingException e) {
|
|
| 281 |
//No lee desde rmf |
|
| 282 |
} |
|
| 283 |
} |
|
| 284 |
|
|
| 285 |
/** |
|
| 286 |
* Comprueba si el fichero abierto es un RasterMetaFile o una imagen |
|
| 287 |
* raster. |
|
| 288 |
* @throws GdalException |
|
| 289 |
*/ |
|
| 290 |
private void validRmf(String file) throws GdalException {
|
|
| 291 |
if(file.endsWith(".rmf")) {
|
|
| 292 |
File f = new File(file); |
|
| 293 |
FileReader fr; |
|
| 294 |
try {
|
|
| 295 |
fr = new FileReader(f); |
|
| 296 |
BufferedReader br = new BufferedReader(fr); |
|
| 297 |
char[] buffer = new char[5]; |
|
| 298 |
br.read(buffer); |
|
| 299 |
StringBuffer st = new StringBuffer(new String(buffer)); |
|
| 300 |
if(st.toString().equals("<?xml"))
|
|
| 301 |
throw new GdalException("RasterMetaFile");
|
|
| 302 |
} catch (FileNotFoundException e) {
|
|
| 303 |
throw new GdalException("File Not Found");
|
|
| 304 |
} catch (IOException e) {
|
|
| 305 |
throw new GdalException("");
|
|
| 306 |
} |
|
| 307 |
} |
|
| 308 |
} |
|
| 309 |
|
|
| 310 |
/* |
|
| 311 |
* (non-Javadoc) |
|
| 312 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#load() |
|
| 313 |
*/ |
|
| 314 |
public RasterProvider load() {
|
|
| 315 |
return this; |
|
| 316 |
} |
|
| 317 |
|
|
| 318 |
/* |
|
| 319 |
* (non-Javadoc) |
|
| 320 |
* @see org.gvsig.raster.impl.provider.RasterProvider#isOpen() |
|
| 321 |
*/ |
|
| 322 |
public boolean isOpen() {
|
|
| 323 |
if(file != null && file.isOpen()) |
|
| 324 |
return true; |
|
| 325 |
return false; |
|
| 326 |
} |
|
| 327 |
|
|
| 328 |
/* |
|
| 329 |
* (non-Javadoc) |
|
| 330 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#translateFileName(java.lang.String) |
|
| 331 |
*/ |
|
| 332 |
public String translateFileName(String fileName) {
|
|
| 333 |
if(fileName.endsWith("hdr"))
|
|
| 334 |
return fileName.substring(0, fileName.lastIndexOf("."));
|
|
| 335 |
return fileName; |
|
| 336 |
} |
|
| 337 |
|
|
| 338 |
/** |
|
| 339 |
* Asigna el extent de la vista actual. existe un fichero .rmf debemos hacer una transformaci?n |
|
| 340 |
* de la vista asignada ya que la petici?n viene en coordenadas del fichero .rmf y la vista (v) |
|
| 341 |
* ha de estar en coordenadas del fichero. |
|
| 342 |
*/ |
|
| 343 |
public void setView(Extent e) {
|
|
| 344 |
viewRequest = new ExtentImpl(e); |
|
| 345 |
} |
|
| 346 |
|
|
| 347 |
/* |
|
| 348 |
* (non-Javadoc) |
|
| 349 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getView() |
|
| 350 |
*/ |
|
| 351 |
public Extent getView() {
|
|
| 352 |
return viewRequest; |
|
| 353 |
} |
|
| 354 |
|
|
| 355 |
/* |
|
| 356 |
* (non-Javadoc) |
|
| 357 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWidth() |
|
| 358 |
*/ |
|
| 359 |
public double getWidth() {
|
|
| 360 |
return file.width; |
|
| 361 |
} |
|
| 362 |
|
|
| 363 |
/* |
|
| 364 |
* (non-Javadoc) |
|
| 365 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getHeight() |
|
| 366 |
*/ |
|
| 367 |
public double getHeight() {
|
|
| 368 |
return file.height; |
|
| 369 |
} |
|
| 370 |
|
|
| 371 |
/** |
|
| 372 |
* Read a line from the file |
|
| 373 |
* @param line |
|
| 374 |
* @param band |
|
| 375 |
* @return |
|
| 376 |
* @throws InvalidSetViewException |
|
| 377 |
* @throws FileNotOpenException |
|
| 378 |
* @throws RasterDriverException |
|
| 379 |
* @Deprecated This operation is deprecated because is not useful and in the future |
|
| 380 |
* it will not be maintained. The abstract operation has dissapear |
|
| 381 |
*/ |
|
| 382 |
public Object readCompleteLine(int line, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
|
| 383 |
if(line > this.getHeight() || band > this.getBandCount()) |
|
| 384 |
throw new InvalidSetViewException("Request out of grid");
|
|
| 385 |
|
|
| 386 |
try{
|
|
| 387 |
return file.readCompleteLine(line, band); |
|
| 388 |
}catch(GdalException e){
|
|
| 389 |
throw new RasterDriverException("Error reading data from Gdal library");
|
|
| 390 |
} |
|
| 391 |
} |
|
| 392 |
|
|
| 393 |
/* |
|
| 394 |
* (non-Javadoc) |
|
| 395 |
* @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int) |
|
| 396 |
*/ |
|
| 397 |
public Object readBlock(int pos, int blockHeight, double scale) |
|
| 398 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException {
|
|
| 399 |
if(pos < 0) |
|
| 400 |
throw new InvalidSetViewException("Request out of grid");
|
|
| 401 |
|
|
| 402 |
if((pos + blockHeight) > getHeight()) |
|
| 403 |
blockHeight = Math.abs(((int)getHeight()) - pos); |
|
| 404 |
try{
|
|
| 405 |
return file.readBlock(pos, blockHeight, scale); |
|
| 406 |
}catch(GdalException e){
|
|
| 407 |
throw new RasterDriverException("Error reading data from Gdal library");
|
|
| 408 |
} |
|
| 409 |
} |
|
| 410 |
|
|
| 411 |
/* |
|
| 412 |
* (non-Javadoc) |
|
| 413 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getData(int, int, int) |
|
| 414 |
*/ |
|
| 415 |
public Object getData(int x, int y, int band)throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
|
| 416 |
if(file != null){
|
|
| 417 |
if(x < 0 || y < 0 || x >= file.width || y >= file.height) |
|
| 418 |
throw new InvalidSetViewException("Request out of grid");
|
|
| 419 |
Object[] data = file.getData(x, y); |
|
| 420 |
return data[band]; |
|
| 421 |
} |
|
| 422 |
throw new FileNotOpenException("GdalNative not exist");
|
|
| 423 |
} |
|
| 424 |
|
|
| 425 |
/* |
|
| 426 |
* (non-Javadoc) |
|
| 427 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.raster.cache.tile.provider.TileListener) |
|
| 428 |
*/ |
|
| 429 |
public void getWindow(Extent ex, int bufWidth, int bufHeight, |
|
| 430 |
BandList bandList, TileListener listener, TaskStatus status) throws ProcessInterruptedException, RasterDriverException {
|
|
| 431 |
|
|
| 432 |
} |
|
| 433 |
|
|
| 434 |
/* |
|
| 435 |
* (non-Javadoc) |
|
| 436 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(org.gvsig.fmap.dal.coverage.datastruct.Extent, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer) |
|
| 437 |
*/ |
|
| 438 |
public Buffer getWindow(Extent ex, BandList bandList, Buffer rasterBuf, TaskStatus status) |
|
| 439 |
throws ProcessInterruptedException, RasterDriverException {
|
|
| 440 |
setView(ex); |
|
| 441 |
|
|
| 442 |
try {
|
|
| 443 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
|
| 444 |
rasterBuf.getWidth(), rasterBuf.getHeight(), true, status); |
|
| 445 |
} catch (GdalException e) {
|
|
| 446 |
throw new RasterDriverException("Error reading data", e);
|
|
| 447 |
} |
|
| 448 |
|
|
| 449 |
return rasterBuf; |
|
| 450 |
} |
|
| 451 |
|
|
| 452 |
/* |
|
| 453 |
* (non-Javadoc) |
|
| 454 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean) |
|
| 455 |
*/ |
|
| 456 |
public Buffer getWindow(double ulx, double uly, double w, double h, |
|
| 457 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException {
|
|
| 458 |
//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 |
|
| 459 |
//tenemos que averiguar si lrx es x + w o x -w, asi como si lry es y + h o y - h |
|
| 460 |
Extent ext = getExtent(); |
|
| 461 |
Point2D pInit = rasterToWorld(new Point2D.Double(0, 0)); |
|
| 462 |
Point2D pEnd = rasterToWorld(new Point2D.Double(getWidth(), getHeight())); |
|
| 463 |
double wRaster = Math.abs(pEnd.getX() - pInit.getX()); |
|
| 464 |
double hRaster = Math.abs(pEnd.getY() - pInit.getY()); |
|
| 465 |
double lrx = (((ext.getULX() - wRaster) > ext.maxX()) || ((ext.getULX() - wRaster) < ext.minX())) ? (ulx + w) : (ulx - w); |
|
| 466 |
double lry = (((ext.getULY() - hRaster) > ext.maxY()) || ((ext.getULY() - hRaster) < ext.minY())) ? (uly + h) : (uly - h); |
|
| 467 |
|
|
| 468 |
Extent selectedExtent = new ExtentImpl(ulx, uly, lrx, lry); |
|
| 469 |
setView(selectedExtent); |
|
| 470 |
|
|
| 471 |
try {
|
|
| 472 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
|
| 473 |
rasterBuf.getWidth(), rasterBuf.getHeight(), adjustToExtent, status); |
|
| 474 |
} catch (GdalException e) {
|
|
| 475 |
throw new RasterDriverException("Error reading data");
|
|
| 476 |
} |
|
| 477 |
|
|
| 478 |
return rasterBuf; |
|
| 479 |
} |
|
| 480 |
|
|
| 481 |
/* |
|
| 482 |
* (non-Javadoc) |
|
| 483 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean) |
|
| 484 |
*/ |
|
| 485 |
public Buffer getWindow(Extent extent, int bufWidth, int bufHeight, |
|
| 486 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent, TaskStatus status) throws ProcessInterruptedException, RasterDriverException {
|
|
| 487 |
//draw method |
|
| 488 |
setView(extent); |
|
| 489 |
|
|
| 490 |
double width = 0; |
|
| 491 |
double height = 0; |
|
| 492 |
|
|
| 493 |
Point2D ul = new Point2D.Double(viewRequest.getULX(), viewRequest.getULY()); |
|
| 494 |
Point2D lr = new Point2D.Double(viewRequest.getLRX(), viewRequest.getLRY()); |
|
| 495 |
ul = worldToRaster(ul); |
|
| 496 |
lr = worldToRaster(lr); |
|
| 497 |
ul.setLocation(ul.getX() < 0 ? 1 : ul.getX(), ul.getY() < 0 ? 1 : ul.getY()); |
|
| 498 |
lr.setLocation(lr.getX() < 0 ? 1 : lr.getX(), lr.getY() < 0 ? 1 : lr.getY()); |
|
| 499 |
|
|
| 500 |
ul.setLocation(ul.getX() - 0.5, ul.getY() - 0.5); |
|
| 501 |
lr.setLocation(lr.getX() - 0.5, lr.getY() - 0.5); |
|
| 502 |
|
|
| 503 |
adjustPoints(ul, lr); |
|
| 504 |
|
|
| 505 |
width = Math.abs(((int)lr.getX()) - ((int)ul.getX())) + 1; |
|
| 506 |
height = Math.abs(((int)lr.getY()) - ((int)ul.getY())) + 1; |
|
| 507 |
|
|
| 508 |
try {
|
|
| 509 |
file.readWindow(rasterBuf, bandList, viewRequest.getULX(), viewRequest.getULY(), viewRequest.getLRX(), viewRequest.getLRY(), |
|
| 510 |
width, height, bufWidth, bufHeight, adjustToExtent, status); |
|
| 511 |
} catch (GdalException e) {
|
|
| 512 |
throw new RasterDriverException("Error reading data");
|
|
| 513 |
} |
|
| 514 |
|
|
| 515 |
return rasterBuf; |
|
| 516 |
} |
|
| 517 |
|
|
| 518 |
|
|
| 519 |
private void adjustPoints(Point2D ul, Point2D lr) {
|
|
| 520 |
double a = (ul.getX() - (int)ul.getX()); |
|
| 521 |
double b = (ul.getY() - (int)ul.getY()); |
|
| 522 |
ul.setLocation( (a > 0.95 || a < 0.05) ? Math.round(ul.getX()) : ul.getX(), |
|
| 523 |
(b > 0.95 || b < 0.05) ? Math.round(ul.getY()) : ul.getY()); |
|
| 524 |
lr.setLocation( (a > 0.95 || a < 0.05) ? Math.round(lr.getX()) : lr.getX(), |
|
| 525 |
(b > 0.95 || b < 0.05) ? Math.round(lr.getY()) : lr.getY()); |
|
| 526 |
} |
|
| 527 |
|
|
| 528 |
/* |
|
| 529 |
* (non-Javadoc) |
|
| 530 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(int, int, int, int, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer) |
|
| 531 |
*/ |
|
| 532 |
public Buffer getWindow(int x, int y, int w, int h, |
|
| 533 |
BandList bandList, Buffer rasterBuf, TaskStatus status) |
|
| 534 |
throws ProcessInterruptedException, RasterDriverException {
|
|
| 535 |
try {
|
|
| 536 |
setView( |
|
| 537 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(), |
|
| 538 |
getWidth(), |
|
| 539 |
getHeight(), |
|
| 540 |
new Rectangle2D.Double(x, y, w, h))) |
|
| 541 |
); |
|
| 542 |
file.readWindow(rasterBuf, bandList, x, y, w, h, status); |
|
| 543 |
} catch (GdalException e) {
|
|
| 544 |
throw new RasterDriverException("Error reading data");
|
|
| 545 |
} |
|
| 546 |
return rasterBuf; |
|
| 547 |
} |
|
| 548 |
|
|
| 549 |
/* |
|
| 550 |
* (non-Javadoc) |
|
| 551 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getBlockSize() |
|
| 552 |
*/ |
|
| 553 |
public int getBlockSize(){
|
|
| 554 |
if(file != null) |
|
| 555 |
return file.getBlockSize(); |
|
| 556 |
else |
|
| 557 |
return 0; |
|
| 558 |
} |
|
| 559 |
|
|
| 560 |
/* |
|
| 561 |
* (non-Javadoc) |
|
| 562 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getMetadata() |
|
| 563 |
*/ |
|
| 564 |
public DataStoreMetadata getMetadata() {
|
|
| 565 |
if(file != null) |
|
| 566 |
return file.metadata; |
|
| 567 |
else |
|
| 568 |
return null; |
|
| 569 |
} |
|
| 570 |
|
|
| 571 |
/* |
|
| 572 |
* (non-Javadoc) |
|
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