public List <IPeptide> PeptidesFilter(ISpectrum spectrum)
{
List <IPeptide> peptides = new List <IPeptide>();
List <double> massList = new List <double>();
int parentCharge = (spectrum as ISpectrumMSn).GetParentCharge();
for (int i = 1; i <= parentCharge; i++)
{
foreach (IPeak peak in spectrum.GetPeaks())
{
massList.Add(calcualtor.CalcChargeMass(peak.GetMZ(), i, option));
}
}
if (massList.Count > 0)
{
massList.Sort();
}
foreach (IPeptide peptide in peptideDB)
{
double mass = calcualtor.CalcPeptideMass(peptide, option) + UtilMass.HexNAc;
if (MassBinarySearch.FindPPM(mass, massList, matcher.GetTolerance()))
{
peptides.Add(peptide);
}
}
return(peptides);
}
protected bool MatchPeakGlycoPeptideMass(IPeak peak, int charge, List <double> massList)
{
for (int i = 1; i <= charge; i++)
{
double mass = calculator.CalcChargeMass(peak.GetMZ(), i, option);; // peak.GetMZ() * charge;
if (MassBinarySearch.Find(mass, massList, parameter.GetTolerance()))
{
return(true);
}
}
return(false);
}
