/// <summary>
/// 获取校准系数的参数
/// </summary>
/// <param name="calCoefData">校准系数</param>
/// <returns>校准系数的参数（dataSize=0表示错误）</returns>
public static StandardizingCoefParameter GetStandardizingCoefParameter(byte[] calCoefData)
{
unsafe
{
if (calCoefData == null || calCoefData.Length < Marshal.SizeOf(typeof(StandardizingCoefParameter)))
{
return(new StandardizingCoefParameter());
}
//判断系数类型是否为标准化系数（前4位）
UInt32 datatype = BitConverter.ToUInt32(calCoefData, 0);
if (datatype != DATAMARK)
{
return(new StandardizingCoefParameter());
}
try
{
//判断系数类型=0表示为标准化系数
fixed(byte *byteptr = calCoefData)
{
IntPtr ptr = new IntPtr(byteptr);
StandardizingCoefParameter para = (StandardizingCoefParameter)Marshal.PtrToStructure(ptr, typeof(StandardizingCoefParameter));
//逐个算法判断
bool found = false;
foreach (int item in Enum.GetValues(typeof(enumAlgorithmType)))
{
if (para.algorithm == (UInt32)item)
{
found = true;
break;
}
}
if (!found)
{
return(new StandardizingCoefParameter());
}
return(para);
}
}
catch (Exception ex)
{
ErrorString = ex.Message;
return(new StandardizingCoefParameter());;
}
}
}
/// <summary>
/// 判断是否为有效的校准参数
/// </summary>
/// <param name="calCoefData">校准参数</param>
/// <param name="specCols">光谱数据点数</param>
public static bool IsValidCoef(byte[] calCoefData, int specCols)
{
StandardizingCoefParameter para = GetStandardizingCoefParameter(calCoefData);
return(para.specCols == specCols && para.datatype == DATAMARK);
}
