Revision 2036
| org.gvsig.raster.gdal/tags/tagdate_29082013/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/tagdate_29082013/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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switch(buffer.getDataType()){
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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/tagdate_29082013/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/tagdate_29082013/org.gvsig.raster.gdal/org.gvsig.raster.gdal.io/src/main/java/org/gvsig/raster/gdal/io/GdalNative.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.Color; |
|
| 25 |
import java.awt.geom.AffineTransform; |
|
| 26 |
import java.awt.geom.NoninvertibleTransformException; |
|
| 27 |
import java.awt.geom.Point2D; |
|
| 28 |
import java.io.IOException; |
|
| 29 |
import java.util.ArrayList; |
|
| 30 |
import java.util.List; |
|
| 31 |
|
|
| 32 |
import org.gvsig.fmap.dal.coverage.RasterLibrary; |
|
| 33 |
import org.gvsig.fmap.dal.coverage.RasterLocator; |
|
| 34 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
|
| 35 |
import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
|
| 36 |
import org.gvsig.fmap.dal.coverage.datastruct.ColorItem; |
|
| 37 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
|
| 38 |
import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
|
| 39 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
|
| 40 |
import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
|
| 41 |
import org.gvsig.fmap.dal.coverage.store.props.ColorTable; |
|
| 42 |
import org.gvsig.fmap.dal.coverage.util.FileUtils; |
|
| 43 |
import org.gvsig.jgdal.Gdal; |
|
| 44 |
import org.gvsig.jgdal.GdalBuffer; |
|
| 45 |
import org.gvsig.jgdal.GdalColorEntry; |
|
| 46 |
import org.gvsig.jgdal.GdalColorTable; |
|
| 47 |
import org.gvsig.jgdal.GdalException; |
|
| 48 |
import org.gvsig.jgdal.GdalRasterBand; |
|
| 49 |
import org.gvsig.jgdal.GeoTransform; |
|
| 50 |
import org.gvsig.raster.impl.datastruct.ColorItemImpl; |
|
| 51 |
import org.gvsig.raster.impl.datastruct.DefaultNoData; |
|
| 52 |
import org.gvsig.raster.impl.datastruct.ExtentImpl; |
|
| 53 |
import org.gvsig.raster.impl.process.RasterTask; |
|
| 54 |
import org.gvsig.raster.impl.process.RasterTaskQueue; |
|
| 55 |
import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
|
| 56 |
import org.gvsig.raster.impl.store.properties.DataStoreColorTable; |
|
| 57 |
import org.gvsig.raster.impl.store.properties.DataStoreMetadata; |
|
| 58 |
import org.gvsig.raster.impl.store.properties.DataStoreTransparency; |
|
| 59 |
import org.gvsig.tools.dispose.Disposable; |
|
| 60 |
import org.gvsig.tools.task.TaskStatus; |
|
| 61 |
/** |
|
| 62 |
* Soporte 'nativo' para ficheros desde GDAL. |
|
| 63 |
* |
|
| 64 |
* @author Luis W. Sevilla (sevilla_lui@gva.es) |
|
| 65 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
|
| 66 |
*/ |
|
| 67 |
public class GdalNative extends Gdal implements Disposable {
|
|
| 68 |
private String fileName = null; |
|
| 69 |
private String shortName = ""; |
|
| 70 |
public GeoTransform trans = null; |
|
| 71 |
public int width = 0, height = 0; |
|
| 72 |
public double originX = 0D, originY = 0D; |
|
| 73 |
public String version = ""; |
|
| 74 |
protected int rBandNr = 1, gBandNr = 2, bBandNr = 3, aBandNr = 4; |
|
| 75 |
private int[] dataType = null; |
|
| 76 |
DataStoreMetadata metadata = null; |
|
| 77 |
protected boolean georeferenced = true; |
|
| 78 |
|
|
| 79 |
/** |
|
| 80 |
* Vectores que contiene los desplazamientos de un pixel cuando hay supersampling. |
|
| 81 |
* , es decir el n?mero de pixels de pantalla que tiene un pixel de imagen. Como todos |
|
| 82 |
* los pixeles no tienen el mismo ancho y alto ha de meterse en un array y no puede ser |
|
| 83 |
* una variable. Adem?s hay que tener en cuenta que el primer y ?ltimo pixel son de |
|
| 84 |
* distinto tama?o que el resto. |
|
| 85 |
*/ |
|
| 86 |
public int[] stepArrayX = null; |
|
| 87 |
public int[] stepArrayY = null; |
|
| 88 |
protected GdalRasterBand[] gdalBands = null; |
|
| 89 |
private double lastReadLine = -1; |
|
| 90 |
private int currentFullWidth = -1; |
|
| 91 |
private int currentFullHeight = -1; |
|
| 92 |
private int currentViewWidth = -1; |
|
| 93 |
private int currentViewHeight = -1; |
|
| 94 |
private double currentViewX = 0D; |
|
| 95 |
private double viewportScaleX = 0D; |
|
| 96 |
private double viewportScaleY = 0D; |
|
| 97 |
private double stepX = 0D; |
|
| 98 |
private double stepY = 0D; |
|
| 99 |
public boolean isSupersampling = false; |
|
| 100 |
private boolean open = false; |
|
| 101 |
/** |
|
| 102 |
* Estado de transparencia del raster. |
|
| 103 |
*/ |
|
| 104 |
protected DataStoreTransparency fileTransparency = null; |
|
| 105 |
protected DataStoreColorTable palette = null; |
|
| 106 |
protected DataStoreColorInterpretation colorInterpr = null; |
|
| 107 |
protected AffineTransform ownTransformation = null; |
|
| 108 |
protected AffineTransform externalTransformation = new AffineTransform(); |
|
| 109 |
|
|
| 110 |
public static int getGdalTypeFromRasterBufType(int rasterBufType) {
|
|
| 111 |
switch (rasterBufType) {
|
|
| 112 |
case Buffer.TYPE_BYTE: return Gdal.GDT_Byte; |
|
| 113 |
case Buffer.TYPE_USHORT: return Gdal.GDT_UInt16; |
|
| 114 |
case Buffer.TYPE_SHORT: return Gdal.GDT_Int16; |
|
| 115 |
case Buffer.TYPE_INT: return Gdal.GDT_Int32; |
|
| 116 |
case Buffer.TYPE_FLOAT: return Gdal.GDT_Float32; |
|
| 117 |
case Buffer.TYPE_DOUBLE: return Gdal.GDT_Float64; |
|
| 118 |
case Buffer.TYPE_UNDEFINED: return Gdal.GDT_Unknown; |
|
| 119 |
case Buffer.TYPE_IMAGE: return Gdal.GDT_Byte; |
|
| 120 |
} |
|
| 121 |
return Gdal.GDT_Unknown; |
|
| 122 |
} |
|
| 123 |
|
|
| 124 |
/** |
|
| 125 |
* Conversi?n de los tipos de datos de gdal a los tipos de datos de RasterBuf |
|
| 126 |
* @param gdalType Tipo de dato de gdal |
|
| 127 |
* @return Tipo de dato de RasterBuf |
|
| 128 |
*/ |
|
| 129 |
public static int getRasterBufTypeFromGdalType(int gdalType) {
|
|
| 130 |
switch (gdalType) {
|
|
| 131 |
case 1:// Eight bit unsigned integer GDT_Byte = 1 |
|
| 132 |
return Buffer.TYPE_BYTE; |
|
| 133 |
|
|
| 134 |
case 3:// Sixteen bit signed integer GDT_Int16 = 3, |
|
| 135 |
return Buffer.TYPE_SHORT; |
|
| 136 |
|
|
| 137 |
case 2:// Sixteen bit unsigned integer GDT_UInt16 = 2 |
|
| 138 |
//return RasterBuffer.TYPE_USHORT; |
|
| 139 |
return Buffer.TYPE_SHORT; //Apa?o para usar los tipos de datos que soportamos |
|
| 140 |
|
|
| 141 |
case 5:// Thirty two bit signed integer GDT_Int32 = 5 |
|
| 142 |
return Buffer.TYPE_INT; |
|
| 143 |
|
|
| 144 |
case 6:// Thirty two bit floating point GDT_Float32 = 6 |
|
| 145 |
return Buffer.TYPE_FLOAT; |
|
| 146 |
|
|
| 147 |
case 7:// Sixty four bit floating point GDT_Float64 = 7 |
|
| 148 |
return Buffer.TYPE_DOUBLE; |
|
| 149 |
|
|
| 150 |
// TODO:Estos tipos de datos no podemos gestionarlos. Habria que definir |
|
| 151 |
// el tipo complejo y usar el tipo long que de momento no se gasta. |
|
| 152 |
case 4:// Thirty two bit unsigned integer GDT_UInt32 = 4, |
|
| 153 |
return Buffer.TYPE_INT; |
|
| 154 |
//return RasterBuffer.TYPE_UNDEFINED; // Deberia devolver un Long |
|
| 155 |
|
|
| 156 |
case 8:// Complex Int16 GDT_CInt16 = 8 |
|
| 157 |
case 9:// Complex Int32 GDT_CInt32 = 9 |
|
| 158 |
case 10:// Complex Float32 GDT_CFloat32 = 10 |
|
| 159 |
case 11:// Complex Float64 GDT_CFloat64 = 11 |
|
| 160 |
return Buffer.TYPE_UNDEFINED; |
|
| 161 |
} |
|
| 162 |
return Buffer.TYPE_UNDEFINED; |
|
| 163 |
} |
|
| 164 |
|
|
| 165 |
/** |
|
| 166 |
* Overview usada en el ?ltimo setView |
|
| 167 |
*/ |
|
| 168 |
int currentOverview = -1; |
|
| 169 |
|
|
| 170 |
public GdalNative(String fName) throws GdalException, IOException {
|
|
| 171 |
super(); |
|
| 172 |
init(fName); |
|
| 173 |
} |
|
| 174 |
|
|
| 175 |
private void init(String fName) throws GdalException, IOException {
|
|
| 176 |
fileName = fName; |
|
| 177 |
open(fName, GA_ReadOnly); |
|
| 178 |
open = true; |
|
| 179 |
if (getPtro() == -1) |
|
| 180 |
throw new GdalException("Error en la apertura del fichero. El fichero no tiene un formato v?lido.");
|
|
| 181 |
// ext = RasterUtilities.getExtensionFromFileName(fName); |
|
| 182 |
width = getRasterXSize(); |
|
| 183 |
height = getRasterYSize(); |
|
| 184 |
|
|
| 185 |
int[] dt = new int[getRasterCount()]; |
|
| 186 |
for (int i = 0; i < getRasterCount(); i++) |
|
| 187 |
dt[i] = this.getRasterBand(i + 1).getRasterDataType(); |
|
| 188 |
setDataType(dt); |
|
| 189 |
shortName = getDriverShortName(); |
|
| 190 |
fileTransparency = new DataStoreTransparency(); |
|
| 191 |
colorInterpr = new DataStoreColorInterpretation(); |
|
| 192 |
metadata = new DataStoreMetadata(getMetadata(), colorInterpr); |
|
| 193 |
|
|
| 194 |
// Asignamos la interpretaci?n de color leida por gdal a cada banda. Esto |
|
| 195 |
// nos sirve para saber que banda de la imagen va asignada a cada banda de |
|
| 196 |
// visualizaci?n (ARGB) |
|
| 197 |
colorInterpr.initColorInterpretation(getRasterCount()); |
|
| 198 |
metadata.initNoDataByBand(getRasterCount()); |
|
| 199 |
for (int i = 0; i < getRasterCount(); i++) {
|
|
| 200 |
GdalRasterBand rb = getRasterBand(i + 1); |
|
| 201 |
String colorInt = getColorInterpretationName(rb.getRasterColorInterpretation()); |
|
| 202 |
metadata.setNoDataEnabled(rb.existsNoDataValue()); |
|
| 203 |
if(rb.existsNoDataValue()) {
|
|
| 204 |
metadata.setNoDataValue(i, rb.getRasterNoDataValue()); |
|
| 205 |
metadata.setNoDataEnabled(rb.existsNoDataValue()); |
|
| 206 |
} |
|
| 207 |
colorInterpr.setColorInterpValue(i, colorInt); |
|
| 208 |
if (colorInt.equals("Alpha"))
|
|
| 209 |
fileTransparency.setTransparencyBand(i); |
|
| 210 |
|
|
| 211 |
if (rb.getRasterColorTable() != null && palette == null) {
|
|
| 212 |
palette = new DataStoreColorTable(gdalColorTable2ColorItems(rb.getRasterColorTable()), false); |
|
| 213 |
// fileTransparency.setTransparencyRangeList(palette.getTransparencyRange()); |
|
| 214 |
} |
|
| 215 |
} |
|
| 216 |
fileTransparency.setTransparencyByPixelFromMetadata(metadata); |
|
| 217 |
|
|
| 218 |
try {
|
|
| 219 |
trans = getGeoTransform(); |
|
| 220 |
|
|
| 221 |
boolean isCorrect = false; |
|
| 222 |
for (int i = 0; i < trans.adfgeotransform.length; i++) |
|
| 223 |
if (trans.adfgeotransform[i] != 0) |
|
| 224 |
isCorrect = true; |
|
| 225 |
if (!isCorrect) |
|
| 226 |
throw new GdalException("");
|
|
| 227 |
|
|
| 228 |
ownTransformation = new AffineTransform(trans.adfgeotransform[1], trans.adfgeotransform[4], trans.adfgeotransform[2], trans.adfgeotransform[5], trans.adfgeotransform[0], trans.adfgeotransform[3]); |
|
| 229 |
externalTransformation = (AffineTransform) ownTransformation.clone(); |
|
| 230 |
currentFullWidth = width; |
|
| 231 |
currentFullHeight = height; |
|
| 232 |
|
|
| 233 |
this.georeferenced = true; |
|
| 234 |
} catch (GdalException exc) {
|
|
| 235 |
// Transformaci�n para ficheros sin georreferenciaci�n. Se invierte la Y |
|
| 236 |
// ya que las WC decrecen de |
|
| 237 |
// arriba a abajo y los pixeles crecen de arriba a abajo |
|
| 238 |
ownTransformation = new AffineTransform(1, 0, 0, -1, 0, height); |
|
| 239 |
externalTransformation = (AffineTransform) ownTransformation.clone(); |
|
| 240 |
currentFullWidth = width; |
|
| 241 |
currentFullHeight = height; |
|
| 242 |
this.georeferenced = false; |
|
| 243 |
} |
|
| 244 |
} |
|
| 245 |
|
|
| 246 |
/** |
|
| 247 |
* Returns true if this provider is open and false if don't |
|
| 248 |
* @return |
|
| 249 |
*/ |
|
| 250 |
public boolean isOpen() {
|
|
| 251 |
return open; |
|
| 252 |
} |
|
| 253 |
|
|
| 254 |
/** |
|
| 255 |
* Obtiene el flag que informa de si el raster tiene valor no data o no. |
|
| 256 |
* Consultar� todas las bandas del mismo y si alguna tiene valor no data |
|
| 257 |
* devuelve true sino devolver� false. |
|
| 258 |
* @return true si tiene valor no data y false si no lo tiene |
|
| 259 |
* @throws GdalException |
|
| 260 |
*/ |
|
| 261 |
public boolean existsNoDataValue() throws GdalException {
|
|
| 262 |
for (int i = 0; i < getRasterCount(); i++) {
|
|
| 263 |
GdalRasterBand rb = getRasterBand(i + 1); |
|
| 264 |
if (rb.existsNoDataValue()) |
|
| 265 |
return true; |
|
| 266 |
} |
|
| 267 |
return false; |
|
| 268 |
} |
|
| 269 |
|
|
| 270 |
/** |
|
| 271 |
* Obtiene el flag que informa de si el raster tiene valor no data o no |
|
| 272 |
* en una banda concreta. |
|
| 273 |
* @return true si tiene valor no data en esa banda y false si no lo tiene |
|
| 274 |
* @param band Posici�n de la banda a consultar (0..n) |
|
| 275 |
* @throws GdalException |
|
| 276 |
*/ |
|
| 277 |
public boolean existsNoDataValue(int band) throws GdalException {
|
|
| 278 |
GdalRasterBand rb = getRasterBand(band + 1); |
|
| 279 |
return rb.existsNoDataValue(); |
|
| 280 |
} |
|
| 281 |
|
|
| 282 |
/** |
|
| 283 |
* Gets nodata value |
|
| 284 |
* @return |
|
| 285 |
*/ |
|
| 286 |
public NoData getNoDataValue() {
|
|
| 287 |
Number value = null; |
|
| 288 |
int type = getRasterBufTypeFromGdalType(getDataType()[0]); |
|
| 289 |
if (metadata != null && metadata.isNoDataEnabled() && metadata.getNoDataValue().length > 0) {
|
|
| 290 |
switch (type) {
|
|
| 291 |
case Buffer.TYPE_BYTE: |
|
| 292 |
if (metadata == null || metadata.getNoDataValue().length == 0) |
|
| 293 |
value = new Byte(RasterLibrary.defaultByteNoDataValue); |
|
| 294 |
else |
|
| 295 |
value = new Byte((byte)metadata.getNoDataValue()[0]); |
|
| 296 |
break; |
|
| 297 |
case Buffer.TYPE_SHORT: |
|
| 298 |
if (metadata == null || metadata.getNoDataValue().length == 0) |
|
| 299 |
value = new Short(RasterLibrary.defaultShortNoDataValue); |
|
| 300 |
else |
|
| 301 |
value = new Short((short)metadata.getNoDataValue()[0]); |
|
| 302 |
break; |
|
| 303 |
case Buffer.TYPE_INT: |
|
| 304 |
if (metadata == null || metadata.getNoDataValue().length == 0) |
|
| 305 |
value = new Integer((int)RasterLibrary.defaultIntegerNoDataValue); |
|
| 306 |
else |
|
| 307 |
value = new Integer((int)metadata.getNoDataValue()[0]); |
|
| 308 |
break; |
|
| 309 |
case Buffer.TYPE_FLOAT: |
|
| 310 |
if (metadata == null || metadata.getNoDataValue().length == 0) |
|
| 311 |
value = new Float(RasterLibrary.defaultFloatNoDataValue); |
|
| 312 |
else |
|
| 313 |
value = new Float(metadata.getNoDataValue()[0]); |
|
| 314 |
break; |
|
| 315 |
case Buffer.TYPE_DOUBLE: |
|
| 316 |
if (metadata == null || metadata.getNoDataValue().length == 0) |
|
| 317 |
value = new Double(RasterLibrary.defaultFloatNoDataValue); |
|
| 318 |
else |
|
| 319 |
value = new Double(metadata.getNoDataValue()[0]); |
|
| 320 |
break; |
|
| 321 |
} |
|
| 322 |
} |
|
| 323 |
|
|
| 324 |
return new DefaultNoData(value, value, fileName); |
|
| 325 |
} |
|
| 326 |
|
|
| 327 |
/** |
|
| 328 |
* Asigna el tipo de dato |
|
| 329 |
* @param dt entero que representa el tipo de dato |
|
| 330 |
*/ |
|
| 331 |
public void setDataType(int[] dt) {
|
|
| 332 |
dataType = dt; |
|
| 333 |
} |
|
| 334 |
|
|
| 335 |
/** |
|
| 336 |
* Obtiene el tipo de dato |
|
| 337 |
* @return entero que representa el tipo de dato |
|
| 338 |
*/ |
|
| 339 |
public int[] getDataType() {
|
|
| 340 |
return dataType; |
|
| 341 |
} |
|
| 342 |
|
|
| 343 |
/** |
|
| 344 |
* Gets the color interpretation |
|
| 345 |
* @return |
|
| 346 |
*/ |
|
| 347 |
public ColorInterpretation getColorInterpretation() {
|
|
| 348 |
return colorInterpr; |
|
| 349 |
} |
|
| 350 |
|
|
| 351 |
/** |
|
| 352 |
* Gets the color table |
|
| 353 |
* @return |
|
| 354 |
*/ |
|
| 355 |
public ColorTable getColorTable() {
|
|
| 356 |
return palette; |
|
| 357 |
} |
|
| 358 |
|
|
| 359 |
/** |
|
| 360 |
* Obtiene un punto 2D con las coordenadas del raster a partir de uno en coordenadas |
|
| 361 |
* del punto real. |
|
| 362 |
* Supone rasters no girados |
|
| 363 |
* @param pt punto en coordenadas del punto real |
|
| 364 |
* @return punto en coordenadas del raster |
|
| 365 |
*/ |
|
| 366 |
public Point2D worldToRasterWithoutRot(Point2D pt) {
|
|
| 367 |
Point2D p = new Point2D.Double(); |
|
| 368 |
AffineTransform at = new AffineTransform( externalTransformation.getScaleX(), 0, |
|
| 369 |
0, externalTransformation.getScaleY(), |
|
| 370 |
externalTransformation.getTranslateX(), externalTransformation.getTranslateY()); |
|
| 371 |
try {
|
|
| 372 |
at.inverseTransform(pt, p); |
|
| 373 |
} catch (NoninvertibleTransformException e) {
|
|
| 374 |
return pt; |
|
| 375 |
} |
|
| 376 |
return p; |
|
| 377 |
} |
|
| 378 |
|
|
| 379 |
/** |
|
| 380 |
* Obtiene un punto 2D con las coordenadas del raster a partir de uno en coordenadas |
|
| 381 |
* del punto real. |
|
| 382 |
* Supone rasters no girados |
|
| 383 |
* @param pt punto en coordenadas del punto real |
|
| 384 |
* @return punto en coordenadas del raster |
|
| 385 |
*/ |
|
| 386 |
public Point2D worldToRaster(Point2D pt) {
|
|
| 387 |
Point2D p = new Point2D.Double(); |
|
| 388 |
try {
|
|
| 389 |
externalTransformation.inverseTransform(pt, p); |
|
| 390 |
} catch (NoninvertibleTransformException e) {
|
|
| 391 |
return pt; |
|
| 392 |
} |
|
| 393 |
return p; |
|
| 394 |
} |
|
| 395 |
|
|
| 396 |
/** |
|
| 397 |
* Obtiene un punto del raster en coordenadas pixel a partir de un punto en coordenadas |
|
| 398 |
* reales. |
|
| 399 |
* @param pt Punto en coordenadas reales |
|
| 400 |
* @return Punto en coordenadas pixel. |
|
| 401 |
*/ |
|
| 402 |
public Point2D rasterToWorld(Point2D pt) {
|
|
| 403 |
Point2D p = new Point2D.Double(); |
|
| 404 |
externalTransformation.transform(pt, p); |
|
| 405 |
return p; |
|
| 406 |
} |
|
| 407 |
|
|
| 408 |
/** |
|
| 409 |
* Calcula el overview a usar. Hay que tener en cuenta que tenemos que tener calculadas las variables |
|
| 410 |
* viewPortScale, currentFullWidth y currentFulHeight |
|
| 411 |
* @param coordenada pixel expresada en double que indica la posici�n superior izquierda |
|
| 412 |
* @throws GdalException |
|
| 413 |
*/ |
|
| 414 |
private void calcOverview(Point2D tl, Point2D br) throws GdalException {
|
|
| 415 |
gdalBands[0] = getRasterBand(1); |
|
| 416 |
currentOverview = -1; |
|
| 417 |
if (gdalBands[0].getOverviewCount() > 0) {
|
|
| 418 |
GdalRasterBand ovb = null; |
|
| 419 |
for (int i = gdalBands[0].getOverviewCount() - 1; i > 0; i--) {
|
|
| 420 |
ovb = gdalBands[0].getOverview(i); |
|
| 421 |
if (ovb.getRasterBandXSize() > getRasterXSize() * viewportScaleX) {
|
|
| 422 |
currentOverview = i; |
|
| 423 |
viewportScaleX *= ((double) width / (double) ovb.getRasterBandXSize()); |
|
| 424 |
viewportScaleY *= ((double) height / (double) ovb.getRasterBandYSize()); |
|
| 425 |
stepX = 1D / viewportScaleX; |
|
| 426 |
stepY = 1D / viewportScaleY; |
|
| 427 |
currentFullWidth = ovb.getRasterBandXSize(); |
|
| 428 |
currentFullHeight = ovb.getRasterBandYSize(); |
|
| 429 |
currentViewX = Math.min(tl.getX(), br.getX()); |
|
| 430 |
lastReadLine = Math.min(tl.getY(), br.getY()); |
|
| 431 |
break; |
|
| 432 |
} |
|
| 433 |
} |
|
| 434 |
} |
|
| 435 |
} |
|
| 436 |
|
|
| 437 |
public void setView(double dWorldTLX, double dWorldTLY, |
|
| 438 |
double dWorldBRX, double dWorldBRY, |
|
| 439 |
int nWidth, int nHeight) throws GdalException {
|
|
| 440 |
currentFullWidth = width; |
|
| 441 |
currentFullHeight = height; |
|
| 442 |
Point2D tl = worldToRaster(new Point2D.Double(dWorldTLX, dWorldTLY)); |
|
| 443 |
Point2D br = worldToRaster(new Point2D.Double(dWorldBRX, dWorldBRY)); |
|
| 444 |
// Calcula cual es la primera l�nea a leer; |
|
| 445 |
currentViewWidth = nWidth; |
|
| 446 |
currentViewHeight = nHeight; |
|
| 447 |
// wcWidth = Math.abs(br.getX() - tl.getX()); |
|
| 448 |
|
|
| 449 |
currentViewX = Math.min(tl.getX(), br.getX()); |
|
| 450 |
|
|
| 451 |
viewportScaleX = (double) currentViewWidth / (br.getX() - tl.getX()); |
|
| 452 |
viewportScaleY = (double) currentViewHeight / (br.getY() - tl.getY()); |
|
| 453 |
stepX = 1D / viewportScaleX; |
|
| 454 |
stepY = 1D / viewportScaleY; |
|
| 455 |
|
|
| 456 |
lastReadLine = Math.min(tl.getY(), br.getY()); |
|
| 457 |
|
|
| 458 |
//Para lectura del renderizado (ARGB). readWindow selecciona las bandas que necesita. |
|
| 459 |
|
|
| 460 |
// calcula el overview a usar |
|
| 461 |
gdalBands = new GdalRasterBand[4]; |
|
| 462 |
calcOverview(tl, br); |
|
| 463 |
|
|
| 464 |
// Selecciona las bandas y los overviews necesarios |
|
| 465 |
/*gdalBands[0] = getRasterBand(rBandNr); |
|
| 466 |
gdalBands[1] = gdalBands[0]; |
|
| 467 |
gdalBands[2] = gdalBands[1]; |
|
| 468 |
|
|
| 469 |
if(getRasterCount() >= 2) {
|
|
| 470 |
gdalBands[1] = getRasterBand(gBandNr); |
|
| 471 |
gdalBands[2] = gdalBands[1]; |
|
| 472 |
} |
|
| 473 |
if(this.getRasterCount() >= 3) |
|
| 474 |
gdalBands[2] = getRasterBand(bBandNr); |
|
| 475 |
if(colorInterpr.isAlphaBand()) |
|
| 476 |
gdalBands[3] = getRasterBand(aBandNr); |
|
| 477 |
|
|
| 478 |
assignDataTypeFromGdalRasterBands(gdalBands); |
|
| 479 |
|
|
| 480 |
if (currentOverview > 0) {
|
|
| 481 |
gdalBands[0] = gdalBands[0].getOverview(currentOverview); |
|
| 482 |
if(getRasterCount() >= 2) {
|
|
| 483 |
gdalBands[1] = gdalBands[1].getOverview(currentOverview); |
|
| 484 |
} |
|
| 485 |
if(this.getRasterCount() >= 3) |
|
| 486 |
gdalBands[2] = gdalBands[2].getOverview(currentOverview); |
|
| 487 |
if(colorInterpr.isAlphaBand()) |
|
| 488 |
gdalBands[3] = gdalBands[3].getOverview(currentOverview); |
|
| 489 |
|
|
| 490 |
}*/ |
|
| 491 |
} |
|
| 492 |
|
|
| 493 |
/** |
|
| 494 |
* Selecciona bandas y overview en el objeto GdalRasterBand[] para el n�mero de bandas solicitado. |
|
| 495 |
* @param nbands N�mero de bandas solicitado. |
|
| 496 |
* @throws GdalException |
|
| 497 |
*/ |
|
| 498 |
public void selectGdalBands(int nbands) throws GdalException {
|
|
| 499 |
gdalBands = new GdalRasterBand[nbands]; |
|
| 500 |
// Selecciona las bandas y los overviews necesarios |
|
| 501 |
gdalBands[0] = getRasterBand(1); |
|
| 502 |
for (int i = 0; i < nbands; i++) |
|
| 503 |
gdalBands[i] = gdalBands[0]; |
|
| 504 |
|
|
| 505 |
assignDataTypeFromGdalRasterBands(gdalBands); |
|
| 506 |
// setDataType(gdalBands[0].getRasterDataType()); |
|
| 507 |
|
|
| 508 |
for (int i = 2; i <= nbands; i++) {
|
|
| 509 |
if (getRasterCount() >= i) {
|
|
| 510 |
gdalBands[i - 1] = getRasterBand(i); |
|
| 511 |
for (int j = i; j < nbands; j++) |
|
| 512 |
gdalBands[j] = gdalBands[i - 1]; |
|
| 513 |
} |
|
| 514 |
} |
|
| 515 |
|
|
| 516 |
if (currentOverview > 0) {
|
|
| 517 |
gdalBands[0] = gdalBands[0].getOverview(currentOverview); |
|
| 518 |
for (int i = 2; i <= nbands; i++) {
|
|
| 519 |
if (getRasterCount() >= i) |
|
| 520 |
gdalBands[i - 1] = gdalBands[i - 1].getOverview(currentOverview); |
|
| 521 |
} |
|
| 522 |
} |
|
| 523 |
} |
|
| 524 |
|
|
| 525 |
int lastY = -1; |
|
| 526 |
|
|
| 527 |
/** |
|
| 528 |
* Lee una l�nea de bytes |
|
| 529 |
* @param line Buffer donde se cargan los datos |
|
| 530 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando |
|
| 531 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse |
|
| 532 |
* por la izquierda a mitad de pixel |
|
| 533 |
* @param gdalBuffer Buffer con la l�nea de datos original |
|
| 534 |
*/ |
|
| 535 |
private void readLine(byte[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
| 536 |
double j = 0D; |
|
| 537 |
int i = 0; |
|
| 538 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
| 539 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
| 540 |
line[iBand][i] = gdalBuffer[iBand].buffByte[(int) j]; |
|
| 541 |
} |
|
| 542 |
} |
|
| 543 |
} |
|
| 544 |
|
|
| 545 |
/** |
|
| 546 |
* Lee una l�nea de shorts |
|
| 547 |
* @param line Buffer donde se cargan los datos |
|
| 548 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando |
|
| 549 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse |
|
| 550 |
* por la izquierda a mitad de pixel |
|
| 551 |
* @param gdalBuffer Buffer con la l�nea de datos original |
|
| 552 |
*/ |
|
| 553 |
private void readLine(short[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
| 554 |
double j = 0D; |
|
| 555 |
int i = 0; |
|
| 556 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
| 557 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
| 558 |
line[iBand][i] = (short) (gdalBuffer[iBand].buffShort[(int) j] & 0xffff); |
|
| 559 |
} |
|
| 560 |
} |
|
| 561 |
} |
|
| 562 |
|
|
| 563 |
/** |
|
| 564 |
* Lee una l�nea de ints |
|
| 565 |
* @param line Buffer donde se cargan los datos |
|
| 566 |
* @param initOffset Desplazamiento inicial desde el margen inzquierdo. Esto es necesario para cuando |
|
| 567 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse |
|
| 568 |
* por la izquierda a mitad de pixel |
|
| 569 |
* @param gdalBuffer Buffer con la l�nea de datos original |
|
| 570 |
*/ |
|
| 571 |
private void readLine(int[][] line, double initOffset, GdalBuffer[] gdalBuffer) {
|
|
| 572 |
double j = 0D; |
|
| 573 |
int i = 0; |
|
| 574 |
for (int iBand = 0; iBand < gdalBuffer.length; iBand++) {
|
|
| 575 |
for (i = 0, j = initOffset; i < currentViewWidth && j < gdalBuffer[0].getSize(); i++, j += stepX) {
|
|
| 576 |
line[iBand][i] = (gdalBuffer[iBand].buffInt[(int) j] & 0xffffffff); |
|
| 577 |
} |
|
| 578 |
} |
|
| 579 |
} |
|
| 580 |
|
|
| 581 |
/** |
|
| 582 |
* Lee una l�nea de float |
|
| 583 |
* @param line Buffer donde se cargan los datos |
|
| 584 |
* @param initOffset Desplazamiento inicial desde el margen izquierdo. Esto es necesario para cuando |
|
| 585 |
* se supersamplea ya que cada pixel de imagen ocupa muchos pixeles de pantalla y puede empezar a dibujarse |
|
Also available in: Unified diff