private string GetFilePolarity(string sFileName)
{
bool bMultEC = false;
bool bEIorCI = false;
bool bAllIon = false;
double lowEng = double.NaN;
double[] hiEng = null;
IBDAMSScanFileInformation msfi;
var isGCEI = false;
var rv = string.Empty;
if (!Directory.Exists(sFileName))
{
return(rv);
}
IDataAccess dataAccessor = new DataAccess() as IDataAccess;
dataAccessor.OpenDataFile(sFileName);
var bda = dataAccessor.BaseDataAccess; // new BDADataAccess() as IBDADataAccess;
// bda.OpenDataFile(, true);
msfi = bda.FileInformation.MSScanFileInformation;
isGCEI = bda.IsGCEIData();
//IDataAccess dataAccessor = bda as IDataAccess;
bool bIsAllIons = FindCpdsUtilities.HasAllIonSupport(dataAccessor, out lowEng, out hiEng, out bMultEC, out bAllIon, out bEIorCI);
//bda.CloseDataFile();
dataAccessor.CloseDataFile();
// Create a string like ESI+, ESI- or EI+
// 1. identify the ion source
switch (msfi.IonModes)
{
case IonizationMode.Unspecified:
// ChemStation translated .D files do not specify the ionization mode
if (isGCEI)
{
rv = "EI";
}
break;
case IonizationMode.Esi:
case IonizationMode.JetStream:
case IonizationMode.MsChip:
case IonizationMode.NanoEsi:
rv = "ESI";
break;
case IonizationMode.Apci:
case IonizationMode.Appi:
case IonizationMode.CI:
case IonizationMode.EI:
case IonizationMode.ICP:
case IonizationMode.Maldi:
rv = msfi.IonModes.ToString().ToUpperInvariant();
break;
}
// 2. +/- polarity
switch (msfi.IonPolarity)
{
case IonPolarity.Positive:
rv += "+";
break;
case IonPolarity.Negative:
rv += "-";
break;
case IonPolarity.Mixed:
rv += "\u00B1"; // +/- character
break;
}
return(rv);
}
