/**
 * Version 1.0 is to handle single variable 2DSquareCelled raster data.
 * Copyright (C) 2005 Andy Turner, CCG, University of Leeds, UK.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
package uk.ac.leeds.ccg.andyt.grids.core;
import uk.ac.leeds.ccg.andyt.grids.core.AbstractGrid2DSquareCell.ChunkID;
/**
 * Abstract Class for defining (an interface for) chunk factory methods. These 
 * methods generally would work as protected, but are tested externally and so 
 * are declared public. Really no user should have a chunk without a grid even 
 * if the grid contains only one chunk.
 */
public abstract class AbstractGrid2DSquareCellDoubleChunkFactory 
        extends AbstractGrid2DSquareCellChunkFactory {
    
    /**
     * For creating a new default AbstractGrid2DSquareCellDoubleChunk.
     */
    public abstract AbstractGrid2DSquareCellDoubleChunk createGrid2DSquareCellDoubleChunk();
    
    /**
     * For creating a new AbstractGrid2DSquareCellDoubleChunk containing all 
     * noDataValues that is linked to grid2DSquareCellDouble via chunkID.
     * 
     * 
     * @param grid2DSquareCellDouble
     * @param chunkID
     */
    public abstract AbstractGrid2DSquareCellDoubleChunk createGrid2DSquareCellDoubleChunk( 
            Grid2DSquareCellDouble grid2DSquareCellDouble, 
            ChunkID chunkID );
    
    
    /**
     * Creates a new AbstractGrid2DSquareCellDoubleChunk with values taken from 
     * grid2DSquareCellDoubleChunkAbstract.
     * 
     * 
     * @param grid2DSquareCellDoubleChunk
     * @param chunkID
     */
    public abstract AbstractGrid2DSquareCellDoubleChunk createGrid2DSquareCellDoubleChunk( 
            AbstractGrid2DSquareCellDoubleChunk grid2DSquareCellDoubleChunk, 
            ChunkID chunkID );
    
}