/// <summary> /// Returns the spectral value at a specified 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="bandIndex">The zero-based band index of the value.</param> /// <returns>The spectral value at the specified index.</returns> protected override Double ApplyGetFloatValue(Int32 rowIndex, Int32 columnIndex, Int32 bandIndex) { return(_service.ReadFloatValue(rowIndex, columnIndex, bandIndex)); }