Exemplo n.º 1
0
 public RTPeak(MZPeak peak, double RT)
 {
     this._Intensity = peak.Intensity;
     this._MZ        = peak.MZ;
     this._RT        = RT;
     this._peak      = peak;
 }
Exemplo n.º 2
0
 public void CombineLikeMZPeaks(List <MZPeak> peaks, double value)
 {
     if (peaks.Count > 0)
     {
         double        currentMZ      = peaks[0].MZ;
         double        totalIntensity = peaks[0].Intensity;
         List <MZPeak> combinedPeaks  = new List <MZPeak>();
         for (int i = 1; i < peaks.Count; i++)
         {
             MZPeak currentPeak = peaks[i];
             if (Math.Round(currentPeak.MZ) == Math.Round(currentMZ))
             {
                 totalIntensity += currentPeak.Intensity;
             }
             else
             {
                 MZPeak newPeak = new MZPeak(Math.Round(currentMZ), totalIntensity);
                 combinedPeaks.Add(newPeak);
                 currentMZ      = Math.Round(currentPeak.MZ);
                 totalIntensity = currentPeak.Intensity;
             }
         }
         MZPeak peak = new MZPeak(currentMZ, totalIntensity);
         combinedPeaks.Add(peak);
         peaks.Clear();
         peaks.AddRange(combinedPeaks);
         NormalizePeaksOnlyIntensities(peaks, value);
     }
 }
Exemplo n.º 3
0
        public double GetPrecusorMz(int spectrumNumber, double searchMZ, int msnOrder = 2)
        {
            int    parentScanNumber = GetParentSpectrumNumber(spectrumNumber);
            var    ms1Scan          = GetSpectrum(parentScanNumber);
            MZPeak peak             = ms1Scan.GetClosestPeak(MassRange.FromDa(searchMZ, 50));

            if (peak != null)
            {
                return(peak.MZ);
            }
            return(double.NaN);
        }
Exemplo n.º 4
0
        public Feature(MZPeak firstPeak, double RT, double HCDEnergy = 0)
        {
            this.allRTPeaks    = new List <RTPeak>();
            this.smoothRTPeaks = new List <RTPeak>();
            this.minRT         = RT;
            this.maxRT         = RT;
            RTPeak newRTPeak = new RTPeak(firstPeak, RT);

            this.allRTPeaks.Add(newRTPeak);
            this.maxPeak = newRTPeak;
            this.totalMZTimesIntensity += (firstPeak.Intensity * firstPeak.MZ);
            this.totalIntensity        += (firstPeak.Intensity);
            this.averageMZ              = firstPeak.MZ;
            newRTPeak.HCDEnergy         = HCDEnergy;
        }
Exemplo n.º 5
0
        public void AddPeak(MZPeak peak, double RT, double HCDEnergy = 0)
        {
            RTPeak newRTPeak = new RTPeak(peak, RT);

            this.allRTPeaks.Add(newRTPeak);
            if (peak.Intensity > maxPeak.Intensity)
            {
                apexTime = RT;
                maxPeak  = newRTPeak;
            }
            this.maxRT = RT;
            this.totalMZTimesIntensity += (peak.Intensity * peak.MZ);
            this.totalIntensity        += (peak.Intensity);
            this.averageMZ              = (this.totalMZTimesIntensity / this.totalIntensity);
            newRTPeak.HCDEnergy         = HCDEnergy;
        }
Exemplo n.º 6
0
        public static List <MZPeak> ConvertPeakListString(string peakList)
        {
            List <MZPeak> returnList = new List <MZPeak>();

            string[] parts = peakList.Split(';');
            foreach (var part in parts)
            {
                if (!string.IsNullOrEmpty(part))
                {
                    string[] subparts  = part.Split(',');
                    double   mz        = double.Parse(subparts[0]);
                    double   intensity = double.Parse(subparts[1]);
                    var      newPeak   = new MZPeak(mz, intensity);
                    returnList.Add(newPeak);
                }
            }
            return(returnList);
        }