/// <summary>
/// Sets all spectral values at a specified row and column index.
/// </summary>
/// <param name="rowIndex">The zero-based row index of the value.</param>
/// <param name="columnIndex">The zero-based column index of the value.</param>
/// <param name="spectralValues">The array containing the spectral values for each band.</param>
protected override void ApplySetValues(Int32 rowIndex, Int32 columnIndex, UInt32[] spectralValues)
{
_source.SetValues(_rowIndex + rowIndex, _columnIndex + columnIndex, spectralValues);
}