Exemple #1
0
        private MSScan GetScanFromFile(int argScanNo, float argMinSN = 2)
        {
            int isProfile = 0;

            _rawConnection.IsProfileScanForScanNum(argScanNo, ref isProfile);

            object labels = null;
            object flags  = null;

            _rawConnection.GetLabelData(ref labels, ref flags, ref argScanNo);
            double[,] LabeledPeaks = (double[, ])labels;


            //Start Read Scan
            MSScan scan = new MSScan(argScanNo);
            List <ThermoLabeledPeak> FullLabeledPeak = new List <ThermoLabeledPeak>();

            float[] mz        = new float[LabeledPeaks.GetLength(1)];
            float[] intensity = new float[LabeledPeaks.GetLength(1)];
            int     j         = 0;

            for (int i = 0; i < LabeledPeaks.GetLength(1); i++)
            {
                double sn = LabeledPeaks[1, i] / LabeledPeaks[4, i];
                if (sn >= argMinSN)
                {
                    mz[j]        = Convert.ToSingle(LabeledPeaks[0, i]);
                    intensity[j] = Convert.ToSingle(LabeledPeaks[1, i]);
                    j++;
                    FullLabeledPeak.Add(new ThermoLabeledPeak(
                                            Convert.ToSingle(LabeledPeaks[0, i]),
                                            Convert.ToSingle(LabeledPeaks[1, i]),
                                            Convert.ToInt32(LabeledPeaks[5, i]),
                                            Convert.ToSingle(LabeledPeaks[4, i])));
                }
            }
            Array.Resize(ref mz, j);
            Array.Resize(ref intensity, j);

            //scan.MZs = ConvertDoubleArrayToFloatArray(CSMSLScan.MassSpectrum.GetMasses());
            scan.MZs = mz;
            //scan.Intensities = ConvertDoubleArrayToFloatArray(CSMSLScan.MassSpectrum.GetIntensities());
            scan.Intensities = intensity;
            scan.MsLevel     = GetMsLevel(argScanNo);

            double retentionTime = 0;

            _rawConnection.RTFromScanNum(argScanNo, ref retentionTime);
            scan.Time       = retentionTime;
            scan.ScanHeader = GetScanDescription(argScanNo);

            if (scan.MsLevel != 1)
            {
                for (int chNum = 0; chNum < scan.MZs.Length; chNum++)
                {
                    scan.MSPeaks.Add(new MSPeak(
                                         Convert.ToSingle(scan.MZs[chNum]),
                                         Convert.ToSingle(scan.Intensities[chNum])));
                }

                // Get parent information
                object value = null;
                _rawConnection.GetTrailerExtraValueForScanNum(argScanNo, "Master Scan Number:", ref value);
                scan.ParentScanNo = Convert.ToInt32(value);
                string ParentDesc = GetScanDescription(scan.ParentScanNo);

                //_rawConnection.GetPrecursorInfoFromScanNum(argScanNo, ref PrecursorInfo, ref PrecursorInfoSize);


                //scan.ParentMonoMW = Convert.ToSingle(PrecurorArray.);
                //scan.ParentMZ = Convert.ToSingle(PrecurorArray[1,0]);
                //scan.ParentCharge = Convert.ToInt32(PrecurorArray.nChargeState);
                scan.IsCIDScan = IsCIDScan(argScanNo);
                scan.IsFTScan  = IsFTScan(argScanNo);

                //Array.Clear(_transformResult, 0, _transformResult.Length);
                //Array.Clear(_cidPeaks, 0, _cidPeaks.Length);
                //Array.Clear(_cidMzs, 0, _cidMzs.Length);
                //Array.Clear(_cidIntensities, 0, _cidIntensities.Length);
                //Array.Clear(_parentRawMzs, 0, _parentRawMzs.Length);
                //Array.Clear(_parentRawIntensitys, 0, _parentRawIntensitys.Length);
            }
            else //MS Scan
            {
                do
                {
                    ThermoLabeledPeak        BasePeak     = FullLabeledPeak[0];
                    List <ThermoLabeledPeak> clusterPeaks = new List <ThermoLabeledPeak>();
                    List <int> RemoveIdx = new List <int>();
                    RemoveIdx.Add(0);
                    clusterPeaks.Add(BasePeak);
                    double Interval = 1 / (double)BasePeak.Charge;
                    double FirstMZ  = BasePeak.MZ;
                    for (int i = 1; i < FullLabeledPeak.Count; i++)
                    {
                        if (FullLabeledPeak[i].MZ - FirstMZ > Interval * 10)
                        {
                            break;
                        }
                        if ((FullLabeledPeak[i].MZ - (BasePeak.MZ + Interval)) < 0.1 && (FullLabeledPeak[i].MZ - (BasePeak.MZ + Interval)) >= 0 && clusterPeaks[0].Charge == FullLabeledPeak[i].Charge)
                        {
                            BasePeak = FullLabeledPeak[i];
                            clusterPeaks.Add(FullLabeledPeak[i]);
                            RemoveIdx.Add(i);
                        }
                    }
                    if (clusterPeaks.Count < 3)
                    {
                        FullLabeledPeak.RemoveAt(RemoveIdx[0]);
                    }
                    else
                    {
                        float  MostIntenseMZ        = 0.0f;
                        double MostIntenseIntneisty = 0;
                        double ClusterIntensity     = 0;
                        RemoveIdx.Reverse();
                        for (int i = 0; i < RemoveIdx.Count; i++)
                        {
                            if (FullLabeledPeak[RemoveIdx[i]].Intensity > MostIntenseIntneisty)
                            {
                                MostIntenseIntneisty = FullLabeledPeak[RemoveIdx[i]].Intensity;
                                MostIntenseMZ        = FullLabeledPeak[RemoveIdx[i]].MZ;
                            }
                            ClusterIntensity = ClusterIntensity + FullLabeledPeak[RemoveIdx[i]].Intensity;
                            FullLabeledPeak.RemoveAt(RemoveIdx[i]);
                        }
                        scan.MSPeaks.Add(new MSPeak(clusterPeaks[0].Mass, clusterPeaks[0].Intensity, clusterPeaks[0].Charge, clusterPeaks[0].MZ, clusterPeaks[0].SN, MostIntenseMZ, MostIntenseIntneisty, ClusterIntensity));
                    }
                } while (FullLabeledPeak.Count != 0);


                //Array.Clear(_transformResult, 0, _transformResult.Length);
                //Array.Clear(_cidPeaks, 0, _cidPeaks.Length);
                //Array.Clear(_cidMzs, 0, _cidMzs.Length);
                //Array.Clear(_cidIntensities, 0, _cidIntensities.Length);
            }
            return(scan);
        }
Exemple #2
0
        //private MSScan GetScanFromFile(int argScanNo)
        //{
        //    return GetScanFromFile(argScanNo);
        //}
        private MSScan GetScanFromFile(int argScanNo, float argMinSN = 2)//, float argPPM = 6, int argMinPeakCount=3)
        {
            MSDataScan DataScan = _raw.GetMsScan(argScanNo);

            tolSN = argMinSN;
            //tolMinPeakCount = argMinPeakCount;
            //tolPPM = argPPM;
            MZPeak[] peaks;
            List <ThermoLabeledPeak> TPeaks = new List <ThermoLabeledPeak>();

            peaks = DataScan.MassSpectrum.GetPeaks();

            //Start Read Scan
            MSScan scan = new MSScan(argScanNo);

            scan.MsLevel    = GetMsLevel(argScanNo);
            scan.Time       = _raw.GetRetentionTime(argScanNo);
            scan.ScanHeader = _raw.GetScanFilter(argScanNo);


            List <MSPeak> MSPsks = new List <MSPeak>();

            #region MSScan
            if (scan.MsLevel == 1)
            {
                float[] RawMz        = new float[peaks.Length];
                float[] RawIntensity = new float[peaks.Length];

                for (int i = 0; i < peaks.Length; i++)
                {
                    RawMz[i]        = Convert.ToSingle(peaks[i].MZ);
                    RawIntensity[i] = Convert.ToSingle(peaks[i].Intensity);
                    ThermoLabeledPeak TPeak = (ThermoLabeledPeak)peaks[i];
                    if (TPeak.SN >= tolSN)
                    {
                        TPeaks.Add(TPeak);
                    }
                }
                float[] Mz        = new float[TPeaks.Count];
                float[] Intensity = new float[TPeaks.Count];
                for (int i = 0; i < TPeaks.Count; i++)
                {
                    Mz[i]        = Convert.ToSingle(TPeaks[i].MZ);
                    Intensity[i] = Convert.ToSingle(TPeaks[i].Intensity);
                }
                scan.RawMZs         = RawMz;
                scan.RawIntensities = RawIntensity;
                scan.MZs            = Mz;
                scan.Intensities    = Intensity;
                //************************Peak Picking
                //scan.MSPeaks = MSPsks;
                //List<float> TPeaksMZ = new List<float>();
                //for (int i = 0; i < TPeaks.Count; i++)
                //{
                //    TPeaksMZ.Add(Convert.ToSingle(TPeaks[i].MZ));
                //}
                //do
                //{
                //    ThermoLabeledPeak BasePeak = TPeaks[0];
                //    List<ThermoLabeledPeak> clusterPeaks = new List<ThermoLabeledPeak>();
                //    List<int> RemoveIdx = new List<int>();
                //    RemoveIdx.Add(0);
                //    clusterPeaks.Add(BasePeak);
                //    double Interval = 1 / (double)BasePeak.Charge;
                //    double FirstMZ = BasePeak.MZ;
                //    for (int i = 1; i < TPeaks.Count; i++)
                //    {
                //        if (TPeaks[i].MZ - FirstMZ > Interval * 10)
                //        {
                //            break;
                //        }

                //        List<int> ClosePeaks = MassUtility.GetClosestMassIdxsWithinPPM(TPeaksMZ.ToArray(), Convert.ToSingle(BasePeak.MZ + Interval), argPPM);
                //        if (ClosePeaks.Count == 1 && TPeaks[ClosePeaks[0]].Charge == BasePeak.Charge)
                //        {
                //            BasePeak = TPeaks[i];
                //            clusterPeaks.Add(TPeaks[i]);
                //            RemoveIdx.Add(i);
                //        }
                //        else if (ClosePeaks.Count > 1)
                //        {
                //            double minPPM = 100;
                //            int minPPMIdx = 0;
                //            float maxIntensity = 0;
                //            int maxIntensityIdx = 0;
                //            for (int j = 0; j < ClosePeaks.Count; j++)
                //            {
                //                if (MassUtility.GetMassPPM(BasePeak.MZ + Interval, mz[ClosePeaks[j]]) < minPPM)
                //                {
                //                    minPPMIdx = ClosePeaks[j];
                //                    minPPM = MassUtility.GetMassPPM(BasePeak.MZ + Interval, mz[ClosePeaks[j]]);
                //                }
                //                if (intensity[ClosePeaks[j]] > maxIntensity)
                //                {
                //                    maxIntensity = intensity[ClosePeaks[j]];
                //                    maxIntensityIdx = ClosePeaks[j];
                //                }
                //            }
                //            BasePeak = TPeaks[minPPMIdx];
                //            clusterPeaks.Add(TPeaks[minPPMIdx]);
                //            RemoveIdx.Add(minPPMIdx);
                //        }
                //    }
                //    if (clusterPeaks.Count < argMinPeakCount)
                //    {
                //        TPeaks.RemoveAt(RemoveIdx[0]);
                //        TPeaksMZ.RemoveAt(RemoveIdx[0]);
                //    }
                //    else
                //    {
                //        float MostIntenseMZ = 0.0f;
                //        double MostIntenseIntneisty = 0;
                //        double ClusterIntensity = 0;
                //        RemoveIdx.Reverse();
                //        for (int i = 0; i < RemoveIdx.Count; i++)
                //        {
                //            if (TPeaks[RemoveIdx[i]].Intensity > MostIntenseIntneisty)
                //            {
                //                MostIntenseIntneisty = TPeaks[RemoveIdx[i]].Intensity;
                //                MostIntenseMZ = Convert.ToSingle(TPeaks[RemoveIdx[i]].MZ);
                //            }
                //            ClusterIntensity = ClusterIntensity + TPeaks[RemoveIdx[i]].Intensity;
                //            TPeaks.RemoveAt(RemoveIdx[i]);
                //            TPeaksMZ.RemoveAt(RemoveIdx[i]);
                //        }
                //        scan.MSPeaks.Add(new MSPeak(
                //                                                                 Convert.ToSingle(clusterPeaks[0].MZ),
                //                                                                 Convert.ToSingle(clusterPeaks[0].Intensity),
                //                                                                 clusterPeaks[0].Charge,
                //                                                                 Convert.ToSingle(clusterPeaks[0].MZ),
                //                                                                 Convert.ToSingle(clusterPeaks[0].SN),
                //                                                                 MostIntenseMZ,
                //                                                                 MostIntenseIntneisty,
                //                                                                 ClusterIntensity));

                //    }
                //} while (TPeaks.Count != 0);
            }
            #endregion
            #region MS/MS Scan
            else
            {
                float[] mz        = new float[peaks.Length];
                float[] intensity = new float[peaks.Length];
                for (int i = 0; i < peaks.Length; i++)
                {
                    mz[i]        = Convert.ToSingle(peaks[i].MZ);
                    intensity[i] = Convert.ToSingle(peaks[i].Intensity);
                    //MSPsks.Add(new MSPeak(mz[i], intensity[i]));
                }
                scan.MZs         = mz;
                scan.Intensities = intensity;
                //scan.MSPeaks = MSPsks;
                // Get parent information

                scan.ParentScanNo = _raw.GetParentSpectrumNumber(argScanNo);
                scan.ParentMZ     = Convert.ToSingle(_raw.GetPrecusorMz(argScanNo));
                scan.ParentCharge = _raw.GetPrecusorCharge(argScanNo);

                //Parent Mono
                if (scan.ParentScanNo != 0)
                {
                    MSScan     ParentScan = GetScanFromFile(scan.ParentScanNo);
                    int        ClosedIdx  = MassUtility.GetClosestMassIdx(ParentScan.MZs, scan.ParentMZ);
                    List <int> Peaks      = FindPeakIdx(ParentScan.MZs, ClosedIdx, scan.ParentCharge, 10);
                    scan.ParentMonoMz = ParentScan.MZs[Peaks[0]];
                }
            }
            #endregion
            scan.IsCIDScan = IsCIDScan(argScanNo);
            scan.IsHCDScan = IsHCDScan(argScanNo);
            scan.IsFTScan  = IsFTScan(argScanNo);
            return(scan);
        }