public static byte[] SaveFile(FileFormat fileFormat)
{
SPAHeader mainheader = new SPAHeader();
//填充光谱文件信息
mainheader.dataCount = fileFormat.fileInfo.dataCount;
mainheader.resolution = (int)(32768 / fileFormat.fileInfo.resolution);
mainheader.firstx = (float)fileFormat.dataInfo.firstX;
mainheader.lastx = (float)fileFormat.dataInfo.lastX;
if (fileFormat.dataInfo.dataType == FileFormat.YAXISTYPE.YABSRB)
{
mainheader.yType = 0x0C;
}
else if (fileFormat.dataInfo.dataType == FileFormat.YAXISTYPE.YSCRF)
{
mainheader.yType = 0x0F;
}
mainheader.bgGrain = (float)fileFormat.acquisitionInfo.GAIN;
mainheader.lwn = (float)fileFormat.acquisitionInfo.LWN;
mainheader.sampleScans = fileFormat.acquisitionInfo.SCANS;
mainheader.bgScans = fileFormat.acquisitionInfo.SCANSBG;
//读取光谱参数
InstrumentHeader instPara = new InstrumentHeader();
instPara.highFilter = (float)fileFormat.acquisitionInfo.HIGHPASS;
instPara.lowFilter = (float)fileFormat.acquisitionInfo.LOWPASS;
return(CreateFile(mainheader, instPara, fileFormat.yDatas, fileFormat.fileInfo.fileMemo, fileFormat.fileInfo.instDescription));
}
private static byte[] CreateFile(SPAHeader xPara, InstrumentHeader instPara, double[] yDatas, string fileTitle, string instSN)
{
IntPtr retptr = IntPtr.Zero;
int datasize = 0;
try
{
byte[] titleBytes = null;
if (!string.IsNullOrWhiteSpace(fileTitle))
{
titleBytes = Encoding.Default.GetBytes(fileTitle);
}
if (CommonMethod.Is64BitVersion())
{
retptr = SPACreateFile64(ref xPara, ref instPara, yDatas, titleBytes, titleBytes == null ? 0 : titleBytes.Length, instSN, ref datasize);
}
else
{
retptr = SPACreateFile32(ref xPara, ref instPara, yDatas, titleBytes, titleBytes == null ? 0 : titleBytes.Length, instSN, ref datasize);
}
return(CommonMethod.CopyDataArrayFromIntptrAndFree <byte>(ref retptr, datasize));
}
catch (Exception ex)
{
ErrorString = ex.Message;
return(null);
}
}
/// <summary>
/// 读取SPC文件头
/// </summary>
/// <param name="fileData">文件数据</param>
/// <param name="fileSize">文件大小</param>
/// <returns>SPCHeader结构</returns>
private static SPAHeader GetXHeader(byte[] fileData, int fileSize)
{
try
{
IntPtr retptr = IntPtr.Zero;
int datasize = 0;
if (CommonMethod.Is64BitVersion())
{
retptr = SPAGetXHeader64(fileData, fileSize, ref datasize);
}
else
{
retptr = SPAGetXHeader32(fileData, fileSize, ref datasize);
}
bool retOK;
SPAHeader retheader = CommonMethod.CopyStructureFromIntptrAndFree <SPAHeader>(ref retptr, out retOK);
if (!retOK)
{
retheader.dataCount = int.MaxValue; //表示错误数据
}
return(retheader);
}
catch (Exception ex)
{
ErrorString = ex.Message;
SPAHeader retheader = new SPAHeader();
retheader.dataCount = int.MaxValue; //表示错误数据
return(retheader);
}
}
public HeaderViewModel()
{
header = new SPAHeader(DateTime.Now.AddDays(-3));
// header.Creater = "Bhv";
// header.Creater = "Bhv";
//Attachments =
//new List<Attachments> { new Attachments { Filename = "test.txt", FileSize = "10mb", Creater = "B" },
// new Attachments { Filename = "test2.txt", FileSize = "120mb", Creater = "2B" }
//};
}
/// <summary>
/// 读取光谱文件
/// </summary>
public static bool ReadFile(byte[] fileData, int fileSize, FileFormat fileFormat)
{
fileFormat.dataInfoList = null;
fileFormat.acquisitionInfo = null;
fileFormat.xDataList = null;
fileFormat.fileInfo = null;
fileFormat.yDataList = null;
SPAHeader mainheader = GetXHeader(fileData, fileSize);
if (mainheader.dataCount == int.MaxValue) //读取文件头错误
{
return(false);
}
//填充光谱文件信息
fileFormat.fileInfo = new FileFormat.FileInfo();
//fileFormat.fileInfo.createTime = CommonMethod.DWordToDateTime(0xD9A36D78);
fileFormat.fileInfo.dataCount = (int)mainheader.dataCount;
fileFormat.fileInfo.fileMemo = GetFileTitle(fileData, fileSize);
fileFormat.fileInfo.instDescription = GetInstSN(fileData, fileSize);
fileFormat.fileInfo.modifyFlag = 0;
fileFormat.fileInfo.resolution = mainheader.resolution == 0 ? 4.0 : 32768 / mainheader.resolution;
fileFormat.fileInfo.specType = FileFormat.SPECTYPE.SPCNIR; //固定值
fileFormat.fileInfo.xType = FileFormat.XAXISTYPE.XWAVEN; //mainheader.xType = 1
fileFormat.fileInfo.zType = FileFormat.ZAXISTYPE.XMSEC; //固定值
fileFormat.fileInfo.fzinc = 0.5f; //固定值
fileFormat.fileInfo.fspare = new float[8]; //固定值
//读取X轴数据（肯定是均匀的X轴）
fileFormat.xDataList = new List <double[]>();
double[] tempx = new double[mainheader.dataCount];
double stepx = (mainheader.lastx - mainheader.firstx) / (tempx.Length - 1);
for (int i = 0; i < tempx.Length; i++)
{
tempx[i] = mainheader.firstx + i * stepx;
}
fileFormat.xDataList.Add(tempx);
//获取Y数据以及格式信息
fileFormat.dataInfoList = new List <FileFormat.DataInfo>();
fileFormat.yDataList = new List <double[]>();
//读取Y轴数据
double[] ydata = GetYData(fileData, fileSize);
if (ydata == null || ydata.Length == 0)
{
return(false);
}
//Y轴数据格式
FileFormat.DataInfo info = new FileFormat.DataInfo();
info.dataType = mainheader.yType == 0x0C ? FileFormat.YAXISTYPE.YABSRB : (mainheader.yType == 0x0F ? FileFormat.YAXISTYPE.YSCRF : FileFormat.YAXISTYPE.YSCSM);
info.firstX = mainheader.firstx;
info.lastX = mainheader.lastx;
info.maxYValue = ydata.Max();
info.minYValue = ydata.Min();
fileFormat.dataInfoList.Add(info);
fileFormat.yDataList.Add(ydata);
InstrumentHeader instHeader = GetInstrumentHeader(fileData, fileSize);
//读取光谱参数
fileFormat.acquisitionInfo = new FileFormat.AcquisitionInfo();
fileFormat.acquisitionInfo.GAIN = mainheader.bgGrain;
fileFormat.acquisitionInfo.HIGHPASS = instHeader.highFilter;
fileFormat.acquisitionInfo.LOWPASS = instHeader.lowFilter;
fileFormat.acquisitionInfo.LWN = mainheader.lwn;
fileFormat.acquisitionInfo.SPEED = instHeader.speed.ToString();
fileFormat.acquisitionInfo.SCANS = mainheader.sampleScans;
fileFormat.acquisitionInfo.SCANSBG = mainheader.bgScans;
fileFormat.acquisitionInfo.IRMODE = FileFormat.enumIRMODE.NearIR;
return(true);
}
private static extern IntPtr SPACreateFile64(ref SPAHeader xDataPara, ref InstrumentHeader instPara, double[] yDatas, byte[] fileTitle, int titleSize, string instSN, ref int outDataSize);
