private double minimumRangeValue;
    
    /** The row index for the cell that the minimum range value comes from. */
    private int minimumRangeValueRow;
    
    /** 
     * The column index for the cell that the minimum range value comes from. 
     */
    private int minimumRangeValueColumn;

    /** The maximum range value. */
    private double maximumRangeValue;

    /** The row index for the cell that the maximum range value comes from. */
    private int maximumRangeValueRow;
    
    /** 
     * The column index for the cell that the maximum range value comes from. 
     */
    private int maximumRangeValueColumn;