| gvSIG desktop 1

	/*

	 *  (non-Javadoc)

	 * @see org.gvsig.raster.dataset.RasterDataset#readBlock(int, int)

	 */	 

	public Object readBlock(int pos, int blockHeight) throws InvalidSetViewException, FileNotOpenException, RasterDriverException {

		if(pos < 0)

			throw new InvalidSetViewException("Request out of grid");

		if((pos + blockHeight) > getHeight())

			blockHeight = Math.abs(getHeight() - pos);

		try{

			return file.readBlock(pos, blockHeight);

		}catch(GdalException e){

			throw new RasterDriverException("Error reading data from Gdal library");

		}

	}