code: @Override
  	public Double getValue(GriddedTile griddedTile, byte[] imageBytes, int x,
  			int y) {
  		BufferedImage image;
  		try {
  			image = ImageUtils.getImage(imageBytes);
  		} catch (IOException e) {
  			throw new GeoPackageException(
  					"Failed to create an image from image bytes", e);
  		}
  		Double value = getValue(griddedTile, image, x, y);
  		return value;
  	}
docs: {@inheritDoc}