@Override public AbstractRaster getTile( int rowId, int columnId ) { // int tileId = getTileId( columnId, rowId ); // int blobNo = tileId / tilesPerBlob; AbstractRaster result = null; try { result = blobReader.getTile( columnId, rowId ); } catch ( IOException e ) { LOG.error( "Error reading tile data from blob: " + e.getMessage(), e ); } return result; } }