gvsig-raster / org.gvsig.raster.gdal / trunk / org.gvsig.raster.gdal / org.gvsig.raster.gdal.io / src / main / java / org / gvsig / raster / memory / io / MemoryRasterProvider.java @ 488
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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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/**
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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) 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) { |
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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) { |
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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, |
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int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf, boolean adjustToExtent) { |
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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;
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case Buffer.TYPE_SHORT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemShort((int)row, (int)col, iBand)); break;
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case Buffer.TYPE_INT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemInt((int)row, (int)col, iBand)); break;
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case Buffer.TYPE_FLOAT: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemFloat((int)row, (int)col, iBand)); break;
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case Buffer.TYPE_DOUBLE: rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemDouble((int)row, (int)col, iBand)); break;
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}
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xPx ++;
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}
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yPx ++;
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}
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}*/
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return rasterBuf;
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} |
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|
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/**
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* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
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* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
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* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
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* @param rasterBuf Buffer donde se escriben los datos
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* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
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* 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.
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* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
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* 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.
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* @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
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* del pixel. Esto es util cuando se supersamplea.
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*/
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private void writeByteBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
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int xPx = 0, yPx = 0; |
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for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
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int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
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if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
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continue;
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for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
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yPx = 0;
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for(double row = begin.getY(); (yPx < rasterBuf.getHeight() && row < buffer.getHeight()); row += stepY) { |
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xPx = 0;
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for(double col = begin.getX(); (xPx < rasterBuf.getWidth() && col < buffer.getWidth()); col += stepX) { |
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rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemByte((int)row, (int)col, iBand)); |
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xPx ++; |
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} |
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yPx ++; |
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} |
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} |
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} |
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} |
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|
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/**
|
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* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
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* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
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* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
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* @param rasterBuf Buffer donde se escriben los datos
|
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* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
416 |
* 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.
|
417 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
418 |
* 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.
|
419 |
* @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
|
420 |
* del pixel. Esto es util cuando se supersamplea.
|
421 |
*/
|
422 |
private void writeShortBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
423 |
int xPx = 0, yPx = 0; |
424 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
425 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
426 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
427 |
continue;
|
428 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
429 |
yPx = 0;
|
430 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
431 |
xPx = 0;
|
432 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
433 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemShort((int)row, (int)col, iBand)); |
434 |
xPx ++; |
435 |
} |
436 |
yPx ++; |
437 |
} |
438 |
} |
439 |
} |
440 |
} |
441 |
|
442 |
/**
|
443 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
444 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
445 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
446 |
* @param rasterBuf Buffer donde se escriben los datos
|
447 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
448 |
* 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.
|
449 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
450 |
* 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.
|
451 |
* @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
|
452 |
* del pixel. Esto es util cuando se supersamplea.
|
453 |
*/
|
454 |
private void writeIntBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
455 |
int xPx = 0, yPx = 0; |
456 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
457 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
458 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
459 |
continue;
|
460 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
461 |
yPx = 0;
|
462 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
463 |
xPx = 0;
|
464 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
465 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemInt((int)row, (int)col, iBand)); |
466 |
xPx ++; |
467 |
} |
468 |
yPx ++; |
469 |
} |
470 |
} |
471 |
} |
472 |
} |
473 |
|
474 |
/**
|
475 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
476 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
477 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
478 |
* @param rasterBuf Buffer donde se escriben los datos
|
479 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
480 |
* 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.
|
481 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
482 |
* 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.
|
483 |
* @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
|
484 |
* del pixel. Esto es util cuando se supersamplea.
|
485 |
*/
|
486 |
private void writeFloatBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
487 |
int xPx = 0, yPx = 0; |
488 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
489 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
490 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
491 |
continue;
|
492 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
493 |
yPx = 0;
|
494 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
495 |
xPx = 0;
|
496 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
497 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemFloat((int)row, (int)col, iBand)); |
498 |
xPx ++; |
499 |
} |
500 |
yPx ++; |
501 |
} |
502 |
} |
503 |
} |
504 |
} |
505 |
|
506 |
/**
|
507 |
* Escribe sobre el buffer pasado por par?metro los valores solicitados, desde el buffer de la clase. Los valores
|
508 |
* se solicitan a trav?s de los par?metros. En ellos se especifica el tama?o del buffer de destino, las bandas a
|
509 |
* escribir, el punto inicial en coordenadas pixel (double) y el incremento.
|
510 |
* @param rasterBuf Buffer donde se escriben los datos
|
511 |
* @param stepX Incremento en X. Cada vez que se escribe un pixel en X se incrementa el contador en stepX pixels. Esto es necesario
|
512 |
* 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.
|
513 |
* @param stepY Incremento en Y. Cada vez que se escribe un pixel en Y se incrementa el contador en stepY pixels. Esto es necesario
|
514 |
* 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.
|
515 |
* @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
|
516 |
* del pixel. Esto es util cuando se supersamplea.
|
517 |
*/
|
518 |
private void writeDoubleBuffer(Buffer rasterBuf, double stepX, double stepY, Point2D begin, BandList bandList) { |
519 |
int xPx = 0, yPx = 0; |
520 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
521 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
522 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
523 |
continue;
|
524 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
525 |
yPx = 0;
|
526 |
for(double row = begin.getY(); yPx < rasterBuf.getHeight(); row += stepY) { |
527 |
xPx = 0;
|
528 |
for(double col = begin.getX(); xPx < rasterBuf.getWidth(); col += stepX) { |
529 |
rasterBuf.setElem(yPx, xPx, iBand, buffer.getElemDouble((int)row, (int)col, iBand)); |
530 |
xPx ++; |
531 |
} |
532 |
yPx ++; |
533 |
} |
534 |
} |
535 |
} |
536 |
} |
537 |
|
538 |
/*
|
539 |
* (non-Javadoc)
|
540 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer)
|
541 |
*/
|
542 |
public Buffer getWindow(int x, int y, BandList bandList, Buffer rasterBuf) { |
543 |
int w = rasterBuf.getWidth();
|
544 |
int h = rasterBuf.getHeight();
|
545 |
setView( |
546 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(),
|
547 |
getWidth(), |
548 |
getHeight(), |
549 |
new Rectangle2D.Double(x, y, w, h))) |
550 |
); |
551 |
|
552 |
for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++){ |
553 |
int[] drawableBands = bandList.getBufferBandToDraw(this.getFName(), iBand); |
554 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
555 |
continue;
|
556 |
if(buffer.getDataType() == Buffer.TYPE_BYTE) { |
557 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++) { |
558 |
for(int line = y; line < (y + h); line ++) |
559 |
for(int col = x; col < (x + w); col ++) |
560 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemByte(line, col, drawableBands[drawBands])); |
561 |
} |
562 |
}else if(buffer.getDataType() == Buffer.TYPE_SHORT){ |
563 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
564 |
for(int line = y; line < (y + h); line ++) |
565 |
for(int col = x; col < (x + w); col ++) |
566 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemShort(line, col, drawableBands[drawBands])); |
567 |
} |
568 |
}else if(buffer.getDataType() == Buffer.TYPE_INT){ |
569 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
570 |
for(int line = y; line < (y + h); line ++) |
571 |
for(int col = x; col < (x + w); col ++) |
572 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemInt(line, col, drawableBands[drawBands])); |
573 |
} |
574 |
}else if(buffer.getDataType() == Buffer.TYPE_FLOAT){ |
575 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
576 |
for(int line = y; line < (y + h); line ++) |
577 |
for(int col = x; col < (x + w); col ++) |
578 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemFloat(line, col, drawableBands[drawBands])); |
579 |
} |
580 |
}else if(buffer.getDataType() == Buffer.TYPE_DOUBLE){ |
581 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
582 |
for(int line = y; line < (y + h); line ++) |
583 |
for(int col = x; col < (x + w); col ++) |
584 |
rasterBuf.setElem((line - y), (col - x), drawableBands[drawBands], buffer.getElemDouble(line, col, drawableBands[drawBands])); |
585 |
} |
586 |
} |
587 |
} |
588 |
return rasterBuf;
|
589 |
} |
590 |
|
591 |
/*
|
592 |
* (non-Javadoc)
|
593 |
* @see org.gvsig.raster.dataset.RasterDataset#getWindowRaster(int, int, int, int, int, int, org.gvsig.raster.dataset.BandList, org.gvsig.raster.dataset.Buffer)
|
594 |
*/
|
595 |
public Buffer getWindow(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf) { |
596 |
setView( |
597 |
new ExtentImpl( rasterUtil.getMapRectFromPxRect(getExtent().toRectangle2D(),
|
598 |
getWidth(), |
599 |
getHeight(), |
600 |
new Rectangle2D.Double(x, y, w, h))) |
601 |
); |
602 |
|
603 |
//Relaci?n entre el n?mero de pixels del buffer origen (area seleccionada) y el destino
|
604 |
double stepX = w / ((double)bufWidth); |
605 |
double stepY = h / ((double)bufHeight); |
606 |
switch(buffer.getDataType()){
|
607 |
case Buffer.TYPE_BYTE: writeByteBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
608 |
case Buffer.TYPE_SHORT: writeShortBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
609 |
case Buffer.TYPE_INT: writeIntBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
610 |
case Buffer.TYPE_FLOAT: writeFloatBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
611 |
case Buffer.TYPE_DOUBLE: writeDoubleBuffer(rasterBuf, stepX, stepY, new Point2D.Double(x, y), bandList); break; |
612 |
} |
613 |
return rasterBuf;
|
614 |
} |
615 |
|
616 |
/*
|
617 |
* (non-Javadoc)
|
618 |
* @see org.gvsig.raster.dataset.RasterDataset#readCompleteLine(int, int)
|
619 |
*/
|
620 |
public Object readCompleteLine(int line, int band) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
621 |
switch(buffer.getDataType()){
|
622 |
case Buffer.TYPE_BYTE: return buffer.getLineFromBandByte(line, band); |
623 |
case Buffer.TYPE_SHORT: return buffer.getLineFromBandShort(line, band); |
624 |
case Buffer.TYPE_INT: return buffer.getLineFromBandInt(line, band); |
625 |
case Buffer.TYPE_FLOAT: return buffer.getLineFromBandFloat(line, band); |
626 |
case Buffer.TYPE_DOUBLE: return buffer.getLineFromBandDouble(line, band); |
627 |
} |
628 |
return null; |
629 |
} |
630 |
|
631 |
/*
|
632 |
* (non-Javadoc)
|
633 |
* @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int)
|
634 |
*/
|
635 |
public Object readBlock(int pos, int blockHeight) throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
636 |
if(pos < 0) |
637 |
throw new InvalidSetViewException("Request out of grid"); |
638 |
|
639 |
if((pos + blockHeight) > buffer.getHeight())
|
640 |
blockHeight = Math.abs(buffer.getHeight() - pos);
|
641 |
|
642 |
switch(buffer.getDataType()){
|
643 |
case Buffer.TYPE_BYTE: |
644 |
byte[][][] bufb = new byte[getBandCount()][][]; |
645 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
646 |
for (int row = 0; row < blockHeight; row++) { |
647 |
bufb[iBand][row] = buffer.getLineFromBandByte(row, iBand); |
648 |
} |
649 |
} |
650 |
return bufb;
|
651 |
case Buffer.TYPE_SHORT: |
652 |
short[][][] bufs = new short[getBandCount()][][]; |
653 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
654 |
for (int row = 0; row < blockHeight; row++) { |
655 |
bufs[iBand][row] = buffer.getLineFromBandShort(row, iBand); |
656 |
} |
657 |
} |
658 |
return bufs;
|
659 |
case Buffer.TYPE_INT: |
660 |
int[][][] bufi = new int[getBandCount()][][]; |
661 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
662 |
for (int row = 0; row < blockHeight; row++) { |
663 |
bufi[iBand][row] = buffer.getLineFromBandInt(row, iBand); |
664 |
} |
665 |
} |
666 |
return bufi;
|
667 |
case Buffer.TYPE_FLOAT: |
668 |
float[][][] buff = new float[getBandCount()][][]; |
669 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
670 |
for (int row = 0; row < blockHeight; row++) { |
671 |
buff[iBand][row] = buffer.getLineFromBandFloat(row, iBand); |
672 |
} |
673 |
} |
674 |
return buff;
|
675 |
case Buffer.TYPE_DOUBLE: |
676 |
double[][][] bufd = new double[getBandCount()][][]; |
677 |
for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
678 |
for (int row = 0; row < blockHeight; row++) { |
679 |
bufd[iBand][row] = buffer.getLineFromBandDouble(row, iBand); |
680 |
} |
681 |
} |
682 |
return bufd;
|
683 |
} |
684 |
return null; |
685 |
} |
686 |
|
687 |
/**
|
688 |
* Obtiene el objeto que contiene el estado de la transparencia
|
689 |
*/
|
690 |
public DataStoreTransparency getTransparency() {
|
691 |
if(fileTransparency == null) |
692 |
fileTransparency = new DataStoreTransparency();
|
693 |
return fileTransparency;
|
694 |
} |
695 |
|
696 |
/*
|
697 |
* (non-Javadoc)
|
698 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewCount(int)
|
699 |
*/
|
700 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
701 |
if(band >= getBandCount())
|
702 |
throw new BandAccessException("Wrong band"); |
703 |
return 0; |
704 |
} |
705 |
|
706 |
/*
|
707 |
* (non-Javadoc)
|
708 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewWidth(int, int)
|
709 |
*/
|
710 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
711 |
if (band >= getBandCount())
|
712 |
throw new BandAccessException("Wrong band"); |
713 |
return 0; |
714 |
} |
715 |
|
716 |
/*
|
717 |
* (non-Javadoc)
|
718 |
* @see org.gvsig.raster.dataset.RasterDataset#getOverviewWidth(int, int)
|
719 |
*/
|
720 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
721 |
if (band >= getBandCount())
|
722 |
throw new BandAccessException("Wrong band"); |
723 |
return 0; |
724 |
} |
725 |
|
726 |
/*
|
727 |
* (non-Javadoc)
|
728 |
* @see org.gvsig.raster.dataset.RasterDataset#overviewsSupport()
|
729 |
*/
|
730 |
public boolean overviewsSupport() { |
731 |
return false; |
732 |
} |
733 |
|
734 |
/*
|
735 |
* (non-Javadoc)
|
736 |
* @see org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider#getName()
|
737 |
*/
|
738 |
public String getName() { |
739 |
return NAME;
|
740 |
} |
741 |
|
742 |
/*
|
743 |
* (non-Javadoc)
|
744 |
* @see org.gvsig.raster.impl.provider.RasterProvider#setStatus(org.gvsig.raster.impl.provider.RasterProvider)
|
745 |
*/
|
746 |
public void setStatus(RasterProvider provider) { |
747 |
if(provider instanceof MemoryRasterProvider) { |
748 |
//Not implemented yet
|
749 |
} |
750 |
} |
751 |
|
752 |
/*
|
753 |
* (non-Javadoc)
|
754 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getTileServer()
|
755 |
*/
|
756 |
public TileServer getTileServer() {
|
757 |
return null; |
758 |
} |
759 |
} |