コード例 #1
0
        public FileData3 ReadFromFile(string fileName)
        {
            FileData3 result = new FileData3();

            result.FileName = new FileInfo(fileName).Name;

            rawFile.Open(fileName);
            try
            {
                for (int scan = rawFile.GetFirstSpectrumNumber(); scan <= rawFile.GetLastSpectrumNumber(); scan++)
                {
                    PeakList <Peak> pkl = rawFile.GetPeakList(scan, minPeakMz - 1, maxPeakMz + 1);

                    result.AddPeaks(minPeakMz, maxPeakMz, scan, pkl);
                }
            }
            finally
            {
                rawFile.Close();
            }

            return(result);
        }
        public override IEnumerable <string> Process(string fileName)
        {
            string resultFile = new FileInfo(targetDir + "\\" + FileUtils.ChangeExtension(new FileInfo(fileName).Name, ".txt")).FullName;

            reader.Open(fileName);
            try
            {
                using (StreamWriter sw = new StreamWriter(resultFile))
                {
                    sw.NewLine = "\n";
                    sw.WriteLine();
                    sw.WriteLine("FUNCTION 1");

                    int firstScan = reader.GetFirstSpectrumNumber();
                    int lastScan  = reader.GetLastSpectrumNumber();

                    for (int i = firstScan; i <= lastScan; i++)
                    {
                        var pkl = reader.GetPeakList(i);
                        sw.WriteLine("");
                        sw.WriteLine("Scan\t\t{0}", i);
                        sw.WriteLine("Retention Time\t{0:0.000}", reader.ScanToRetentionTime(i));
                        sw.WriteLine("");
                        foreach (var peak in pkl)
                        {
                            sw.WriteLine("{0:0.0000}\t{1:0}", peak.Mz, peak.Intensity);
                        }
                    }
                }
            }
            finally
            {
                reader.Close();
            }
            return(new string[] { resultFile });
        }
コード例 #3
0
        public void Update(object sender, UpdateQuantificationItemEventArgs e)
        {
            var summary = e.Item as SilacQuantificationSummaryItem;

            if (summary == null)
            {
                throw new ArgumentNullException("UpdateQuantificationItemEventArgs.Item cannot be null");
            }

            ZedGraphicExtension.ClearData(zgcGraph, false);
            try
            {
                var envelope = summary.ObservedEnvelopes.Find(m => m.IsSelected);
                if (envelope == null)
                {
                    return;
                }

                double minMz = envelope.Light[0].Mz - 1.0;
                double maxMz = envelope.Heavy[envelope.Heavy.Count - 1].Mz + 1.0;

                zgcGraph.GraphPane.XAxis.Scale.Min = minMz;
                zgcGraph.GraphPane.XAxis.Scale.Max = maxMz;

                var pplLight = new PointPairList();
                envelope.Light.ForEach(p => pplLight.Add(p.Mz, p.Intensity));

                var pplHeavy = new PointPairList();
                envelope.Heavy.ForEach(p => pplHeavy.Add(p.Mz, p.Intensity));

                if (summary.SampleIsLight)
                {
                    ZedGraphicExtension.AddIndividualLine(zgcGraph, "Sample", pplLight, SilacQuantificationConstants.SAMPLE_COLOR, false);
                    ZedGraphicExtension.AddIndividualLine(zgcGraph, "Reference", pplHeavy, SilacQuantificationConstants.REFERENCE_COLOR, false);
                }
                else
                {
                    ZedGraphicExtension.AddIndividualLine(zgcGraph, "Sample", pplHeavy, SilacQuantificationConstants.SAMPLE_COLOR, false);
                    ZedGraphicExtension.AddIndividualLine(zgcGraph, "Reference", pplLight, SilacQuantificationConstants.REFERENCE_COLOR, false);
                }

                // Shift the text items up by 5 user scale units above the bars
                const float shift = 5;

                var ppl = new PointPairList();
                ppl.AddRange(pplLight);
                ppl.AddRange(pplHeavy);
                for (int i = 0; i < ppl.Count; i++)
                {
                    // format the label string to have 1 decimal place
                    string lab = ppl[i].X.ToString("0.00");
                    // create the text item (assumes the x axis is ordinal or text)
                    // for negative bars, the label appears just above the zero value
                    var text = new TextObj(lab, ppl[i].X, ppl[i].Y + shift);
                    // tell Zedgraph to use user scale units for locating the TextItem
                    text.Location.CoordinateFrame = CoordType.AxisXYScale;
                    // AlignH the left-center of the text to the specified point
                    text.Location.AlignH           = AlignH.Left;
                    text.Location.AlignV           = AlignV.Center;
                    text.FontSpec.Border.IsVisible = false;
                    text.FontSpec.Fill.IsVisible   = false;
                    // rotate the text 90 degrees
                    text.FontSpec.Angle = 90;
                    // add the TextItem to the list
                    zgcGraph.GraphPane.GraphObjList.Add(text);
                }

                if (File.Exists(summary.RawFilename))
                {
                    if (rawFile == null)
                    {
                        rawFile = new RawFileImpl(summary.RawFilename);
                    }
                    else if (!rawFile.FileName.Equals(summary.RawFilename))
                    {
                        rawFile.Open(summary.RawFilename);
                    }

                    PeakList <Peak> pkl    = rawFile.GetPeakList(envelope.Light.ScanTimes[0].Scan);
                    var             pplRaw = new PointPairList();
                    pplRaw.Add(minMz, 0.0);
                    for (int i = 0; i < pkl.Count; i++)
                    {
                        if (pkl[i].Mz < minMz)
                        {
                            continue;
                        }
                        else if (pkl[i].Mz > maxMz)
                        {
                            break;
                        }
                        pplRaw.Add(pkl[i].Mz, -pkl[i].Intensity);
                    }
                    pplRaw.Add(maxMz, 0.0);

                    ZedGraphicExtension.AddIndividualLine(zgcGraph, "PeakList From RawFile", pplRaw, SilacQuantificationConstants.IDENTIFIED_COLOR, true);
                }
            }
            finally
            {
                ZedGraphicExtension.UpdateGraph(zgcGraph);
            }
        }
コード例 #4
0
        public void Quantify(string rawFileName, List <IIdentifiedSpectrum> spectra, string detailDir)
        {
            if (!Directory.Exists(detailDir))
            {
                Directory.CreateDirectory(detailDir);
            }

            var experimental = RawFileFactory.GetExperimental(rawFileName);

            Dictionary <string, DifferentRetentionTimeEnvelopes> spectrumKeyMap = new Dictionary <string, DifferentRetentionTimeEnvelopes>();

            Dictionary <SilacEnvelopes, List <IIdentifiedSpectrum> > envelopeSpectrumGroup = new Dictionary <SilacEnvelopes, List <IIdentifiedSpectrum> >();

            double precursorPPM = GetPrecursorPPM(spectra);

            try
            {
                _rawReader.Open(rawFileName);

                int firstScanNumber = _rawReader.GetFirstSpectrumNumber();
                int lastScanNumber  = _rawReader.GetLastSpectrumNumber();

                Progress.SetRange(1, spectra.Count);
                int pepCount = 0;

                for (int s = 0; s < spectra.Count; s++)
                {
                    Console.WriteLine(s);
                    IIdentifiedSpectrum spectrum = spectra[s];

                    SilacQuantificationSummaryItem.ClearAnnotation(spectrum);

                    if (Progress.IsCancellationPending())
                    {
                        throw new UserTerminatedException();
                    }

                    int startScan = spectrum.Query.FileScan.FirstScan;
                    if (startScan > lastScanNumber)
                    {
                        spectrum.GetOrCreateQuantificationItem().RatioStr = "OUT_OF_RANGE";
                        continue;
                    }

                    Progress.SetPosition(pepCount++);

                    IIdentifiedPeptide sp = spectrum.Peptide;

                    string seq = GetMatchSequence(spectrum);

                    IPeptideInfo peptideInfo = new IdentifiedPeptideInfo(seq, spectrum.TheoreticalMH, spectrum.Query.Charge);

                    SilacCompoundInfo sci = GetSilacCompoundInfo(peptideInfo);

                    //如果轻重离子理论质荷比一样,忽略
                    if (!sci.IsSilacData())
                    {
                        spectrum.GetOrCreateQuantificationItem().RatioStr = "NOT_SILAC";
                        continue;
                    }

                    //如果轻重离子理论质荷比与观测值不一致,忽略
                    if (!sci.IsMzEquals(spectrum.ObservedMz, MAX_DELTA_MZ))
                    {
                        ValidateModifications(seq);

                        spectrum.GetOrCreateQuantificationItem().RatioStr = "WRONG_IDENTIFICATION";
                        continue;
                    }

                    //如果没有找到相应的FullScan,忽略
                    int identifiedFullScan = _rawReader.FindPreviousFullScan(startScan, firstScanNumber);
                    if (-1 == identifiedFullScan)
                    {
                        spectrum.GetOrCreateQuantificationItem().RatioStr = "NO_PROFILE";
                        continue;
                    }

                    DifferentRetentionTimeEnvelopes pkls = FindEnvelopes(spectrumKeyMap, spectrum, sci);

                    SilacEnvelopes envelope = pkls.FindSilacEnvelope(identifiedFullScan);

                    //如果该scan被包含在已经被定量的结果中,忽略
                    if (envelope != null)
                    {
                        envelope.SetScanIdentified(identifiedFullScan, spectrum.IsExtendedIdentification());
                        envelopeSpectrumGroup[envelope].Add(spectrum);
                        continue;
                    }

                    //从原始文件中找出该spectrum的定量信息
                    int maxIndex = Math.Min(option.ProfileLength - 1, pkls.LightProfile.FindMaxIndex());

                    double mzTolerance = PrecursorUtils.ppm2mz(sci.Light.Mz, option.PPMTolerance);

                    //如果FullScan没有相应的离子,忽略。(鉴定错误或者扩展定量时候,会出现找不到pair的现象)
                    SilacPeakListPair splp = GetLightHeavyPeakList(_rawReader, sci, maxIndex, mzTolerance, identifiedFullScan);
                    if (null == splp)
                    {
                        spectrum.GetOrCreateQuantificationItem().RatioStr = "NO_PROFILE";
                        continue;
                    }

                    splp.IsIdentified             = true;
                    splp.IsExtendedIdentification = spectrum.IsExtendedIdentification();

                    SilacEnvelopes envelopes = new SilacEnvelopes();
                    envelopes.Add(splp);

                    //向前查找定量信息
                    int fullScan   = identifiedFullScan;
                    int scanNumber = 0;
                    while ((fullScan = _rawReader.FindPreviousFullScan(fullScan - 1, firstScanNumber)) != -1)
                    {
                        if (_rawReader.IsBadDataScan(fullScan))
                        {
                            continue;
                        }
                        scanNumber++;
                        var item = GetLightHeavyPeakList(_rawReader, sci, maxIndex, mzTolerance, fullScan, scanNumber <= MinScanNumber);
                        if (null == item)
                        {
                            break;
                        }

                        envelopes.Add(item);
                    }
                    envelopes.Reverse();

                    //向后查找定量信息
                    fullScan   = identifiedFullScan;
                    scanNumber = 0;
                    while ((fullScan = _rawReader.FindNextFullScan(fullScan + 1, lastScanNumber)) != -1)
                    {
                        if (_rawReader.IsBadDataScan(fullScan))
                        {
                            continue;
                        }
                        scanNumber++;
                        var item = GetLightHeavyPeakList(_rawReader, sci, maxIndex, mzTolerance, fullScan, scanNumber <= MinScanNumber);
                        if (null == item)
                        {
                            break;
                        }

                        envelopes.Add(item);
                    }

                    //对每个scan计算轻重的离子丰度
                    envelopes.ForEach(m => m.CalculateIntensity(pkls.LightProfile, pkls.HeavyProfile));

                    pkls.Add(envelopes);

                    envelopeSpectrumGroup.Add(envelopes, new List <IIdentifiedSpectrum>());
                    envelopeSpectrumGroup[envelopes].Add(spectrum);
                }
            }
            finally
            {
                _rawReader.Close();
            }

            foreach (string key in spectrumKeyMap.Keys)
            {
                DifferentRetentionTimeEnvelopes pkls = spectrumKeyMap[key];

                foreach (SilacEnvelopes envelopes in pkls)
                {
                    if (0 == envelopes.Count)
                    {
                        continue;
                    }

                    List <IIdentifiedSpectrum> mps = envelopeSpectrumGroup[envelopes];

                    double mzTolerance = PrecursorUtils.ppm2mz(mps[0].Query.ObservedMz, option.PPMTolerance);

                    string scanStr = GetScanRange(envelopes);

                    string resultFilename = detailDir + "\\" + mps[0].Query.FileScan.Experimental + "." + PeptideUtils.GetPureSequence(mps[0].Sequence) + "." + mps[0].Query.Charge + scanStr + ".silac";

                    IPeptideInfo      peptideInfo = new IdentifiedPeptideInfo(mps[0].GetMatchSequence(), mps[0].TheoreticalMH, mps[0].Query.Charge);
                    SilacCompoundInfo sci         = GetSilacCompoundInfo(peptideInfo);

                    SilacQuantificationSummaryItem item = new SilacQuantificationSummaryItem(sci.Light.IsSample);
                    item.RawFilename          = rawFileName;
                    item.SoftwareVersion      = this.SoftwareVersion;
                    item.PeptideSequence      = mps[0].Sequence;
                    item.Charge               = mps[0].Charge;
                    item.LightAtomComposition = sci.Light.Composition.ToString();
                    item.HeavyAtomComposition = sci.Heavy.Composition.ToString();
                    item.LightProfile         = pkls.LightProfile;
                    item.HeavyProfile         = pkls.HeavyProfile;
                    item.ObservedEnvelopes    = envelopes;

                    item.ValidateScans(sci, precursorPPM);

                    item.Smoothing();
                    item.CalculateRatio();

                    new SilacQuantificationSummaryItemXmlFormat().WriteToFile(resultFilename, item);

                    int maxScoreItemIndex = FindMaxScoreItemIndex(mps);

                    for (int i = 0; i < mps.Count; i++)
                    {
                        if (maxScoreItemIndex == i)
                        {
                            item.AssignToAnnotation(mps[i], resultFilename);
                        }
                        else
                        {
                            item.AssignDuplicationToAnnotation(mps[i], resultFilename);
                        }
                    }
                }
            }

            foreach (IIdentifiedSpectrum mph in spectra)
            {
                mph.InitializeRatioEnabled();
            }
        }
        public override IEnumerable <string> Process(string fileName)
        {
            var result = new List <string>();

            QueryItemListFormat format = new QueryItemListFormat();

            FileInfo rawFile = new FileInfo(rawFileName);

            Progress.SetMessage("Reading query product ion from " + fileName);
            var queryItems = format.ReadFromFile(fileName);

            using (IRawFile reader = RawFileFactory.GetRawFileReader(rawFileName))
            {
                reader.Open(rawFileName);

                int firstSpectrumNumber = reader.GetFirstSpectrumNumber();

                LipidPrecursorQuery queryFunc = new LipidPrecursorQuery(reader);
                queryFunc.Progress = this.Progress;

                char[] chars = new char[] { '\t' };

                int curIndex = 0;
                foreach (var query in queryItems)
                {
                    Progress.SetMessage(MyConvert.Format("{0}/{1} - Querying precursor ions for product ion {2} ...", ++curIndex, queryItems.Count, query.ProductIonMz));

                    string savedQueryFile = GetQueryFileName(rawFileName, query.ProductIonMz, productIonPPM, precursorPPM);

                    PrecursorItemListXmlFormat pilFormat = new PrecursorItemListXmlFormat();
                    List <PrecursorItem>       precursors;
                    if (!File.Exists(savedQueryFile))
                    {
                        precursors = queryFunc.QueryPrecursorFromProductIon(query, productIonPPM, precursorPPM);
                        pilFormat.WriteToFile(savedQueryFile, precursors);
                    }
                    else
                    {
                        precursors = pilFormat.ReadFromFile(savedQueryFile);
                    }

                    result.Add(savedQueryFile);


                    var precursorMzs = (from item in precursors
                                        group item by item.PrecursorMZ into mzGroup
                                        let count = mzGroup.Where(m => m.PrecursorIntensity > 0).Count()
                                                    orderby count descending
                                                    select new PrecursorArea {
                        PrecursorMz = mzGroup.Key, ScanCount = count, Area = 0.0
                    }).ToList();

                    //去掉冗余的precursor
                    for (int i = precursorMzs.Count - 1; i >= 0; i--)
                    {
                        if (precursorMzs[i].ScanCount >= 5)
                        {
                            break;
                        }

                        for (int j = 0; j < i; j++)
                        {
                            if (precursorMzs[j].ScanCount < 5)
                            {
                                break;
                            }

                            double ppm = PrecursorUtils.mz2ppm(precursorMzs[i].PrecursorMz, Math.Abs(precursorMzs[i].PrecursorMz - precursorMzs[j].PrecursorMz));
                            if (ppm < precursorPPM)
                            {
                                precursorMzs.RemoveAt(i);
                                break;
                            }
                        }
                    }

                    string savedDetailDir = FileUtils.ChangeExtension(savedQueryFile, "");
                    if (!Directory.Exists(savedDetailDir))
                    {
                        Directory.CreateDirectory(savedDetailDir);
                    }

                    for (int i = 0; i < precursorMzs.Count; i++)
                    {
                        Progress.SetMessage(MyConvert.Format("{0}/{1} {2} - {3}/{4} Get chromotograph for precursor {5} ...", curIndex, queryItems.Count, query.ProductIonMz, i + 1, precursorMzs.Count, precursorMzs[i].PrecursorMz));

                        string targetFile = savedDetailDir + "\\" + GetDetailFileName(rawFileName, precursorMzs[i].PrecursorMz);

                        var itemFormat = new LabelFreeSummaryItemXmlFormat();

                        LabelFreeSummaryItem item;
                        if (File.Exists(targetFile))
                        {
                            item = itemFormat.ReadFromFile(targetFile);
                        }
                        else
                        {
                            var ions = queryFunc.QueryChromotograph(precursorMzs[i].PrecursorMz, precursorPPM);

                            int continueCount = 0;
                            int firstIndex    = -1;
                            for (int j = 0; j < ions.Count; j++)
                            {
                                if (ions[j].Intensity > 0)
                                {
                                    if (firstIndex == -1)
                                    {
                                        firstIndex    = j;
                                        continueCount = 1;
                                    }
                                    else
                                    {
                                        continueCount++;
                                        if (continueCount >= 5)
                                        {
                                            break;
                                        }
                                    }
                                }
                                else
                                {
                                    firstIndex    = -1;
                                    continueCount = 0;
                                }
                            }

                            if (continueCount >= 5)
                            {
                                ions.RemoveRange(0, firstIndex);
                            }

                            continueCount = 0;
                            int lastIndex = -1;
                            for (int j = ions.Count - 1; j >= 0; j--)
                            {
                                if (ions[j].Intensity > 0)
                                {
                                    if (lastIndex == -1)
                                    {
                                        lastIndex     = j;
                                        continueCount = 1;
                                    }
                                    else
                                    {
                                        continueCount++;
                                        if (continueCount >= 5)
                                        {
                                            break;
                                        }
                                    }
                                }
                                else
                                {
                                    lastIndex     = -1;
                                    continueCount = 0;
                                }
                            }

                            if (continueCount >= 5)
                            {
                                ions.RemoveRange(lastIndex + 1, ions.Count - lastIndex - 1);
                            }

                            //get full ms corresponding to identified ms/ms
                            var identified = new HashSet <int>();
                            foreach (var p in precursors)
                            {
                                if (p.PrecursorMZ == precursorMzs[i].PrecursorMz)
                                {
                                    for (int j = p.Scan - 1; j >= firstSpectrumNumber; j--)
                                    {
                                        if (reader.GetMsLevel(j) == 1)
                                        {
                                            identified.Add(j);
                                            break;
                                        }
                                    }
                                }
                            }

                            ions.ForEach(m =>
                            {
                                m.Identified = identified.Contains(m.Scan);
                                m.Enabled    = true;
                            });

                            Debug.Assert(ions.FindAll(m => m.Identified == true).Count == identified.Count);

                            item = new LabelFreeSummaryItem()
                            {
                                RawFilename = rawFileName,
                                Sequence    = MyConvert.Format("{0:0.0000}; {1:0.00}", query.ProductIonMz, query.MinRelativeIntensity)
                            };
                            item.AddRange(ions);
                            item.CalculatePPM(precursorMzs[i].PrecursorMz);

                            new LabelFreeSummaryItemXmlFormat().WriteToFile(targetFile, item);
                        }

                        precursorMzs[i].Area = item.GetArea();
                        string savedAreaFile = GetAreaFileName(rawFileName, query.ProductIonMz, productIonPPM, precursorPPM);
                        new PrecursorAreaListTextFormat().WriteToFile(savedAreaFile, precursorMzs);
                    }
                }

                return(result);
            }
        }
コード例 #6
0
        public override IEnumerable <string> Process(string targetDir)
        {
            foreach (var raw in rawFiles)
            {
                List <SimplePeakChro> waitingPeaks = new List <SimplePeakChro>();
                foreach (var peak in targetPeaks)
                {
                    string file = GetTargetFile(targetDir, raw, peak);
                    if (force || !File.Exists(file))
                    {
                        waitingPeaks.Add(peak);
                    }
                    else
                    {
                        var p = new SimplePeakChroXmlFormat().ReadFromFile(file);
                        peak.MaxRetentionTime = p.MaxRetentionTime;
                        peak.Peaks            = p.Peaks;
                    }
                }

                if (waitingPeaks.Count == 0)
                {
                    continue;
                }

                rawReader.Open(raw);
                try
                {
                    int firstScan = rawReader.GetFirstSpectrumNumber();
                    int lastScan  = rawReader.GetLastSpectrumNumber();

                    var lastRt = rawReader.ScanToRetentionTime(lastScan);

                    waitingPeaks.ForEach(m =>
                    {
                        m.Peaks.Clear();
                        m.MaxRetentionTime = lastRt;
                    });

                    Progress.SetMessage("Processing chromotograph extracting...");
                    Progress.SetRange(firstScan, lastScan);
                    for (int scan = firstScan; scan <= lastScan; scan++)
                    {
                        if (rawReader.GetMsLevel(scan) != 1)
                        {
                            continue;
                        }
                        Progress.SetPosition(scan);

                        if (Progress.IsCancellationPending())
                        {
                            throw new UserTerminatedException();
                        }

                        PeakList <Peak> pkl = rawReader.GetPeakList(scan);
                        double          rt  = rawReader.ScanToRetentionTime(scan);

                        foreach (var peak in waitingPeaks)
                        {
                            var env = pkl.FindPeak(peak.Mz, peak.MzTolerance);

                            Peak findPeak = new Peak(peak.Mz, 0.0, 0);
                            if (env.Count > 0)
                            {
                                if (env.Count == 1)
                                {
                                    findPeak = env[0];
                                }
                                else
                                {
                                    var charge = env.FindCharge(peak.Charge);
                                    if (charge.Count > 0)
                                    {
                                        if (charge.Count == 1)
                                        {
                                            findPeak = charge[0];
                                        }
                                        else
                                        {
                                            findPeak = charge.FindMaxIntensityPeak();
                                        }
                                    }
                                    else
                                    {
                                        findPeak = env.FindMaxIntensityPeak();
                                    }
                                }
                            }

                            peak.Peaks.Add(new ScanPeak()
                            {
                                Mz            = findPeak.Mz,
                                Intensity     = findPeak.Intensity,
                                Scan          = scan,
                                RetentionTime = rt,
                                Charge        = findPeak.Charge,
                                PPMDistance   = PrecursorUtils.mz2ppm(peak.Mz, findPeak.Mz - peak.Mz)
                            });
                        }
                    }

                    waitingPeaks.ForEach(m => m.TrimPeaks(minRetentionTime));
                }
                finally
                {
                    rawReader.Close();
                }

                Progress.SetMessage("Saving ... ");
                foreach (var peak in waitingPeaks)
                {
                    string file = GetTargetFile(targetDir, raw, peak);
                    new SimplePeakChroXmlFormat().WriteToFile(file, peak);
                }
                Progress.SetMessage("Finished.");
                Progress.End();
            }

            return(new string[] { targetDir });
        }
コード例 #7
0
        public override IEnumerable <string> Process(string rawFilename)
        {
            string ms1Filename      = GetResultFilename(rawFilename);
            string ms1IndexFilename = ms1Filename + ".index";

            rawFile.Open(rawFilename);
            try
            {
                int firstScan = rawFile.GetFirstSpectrumNumber();
                int lastScan  = rawFile.GetLastSpectrumNumber();

                int firstFullScan = 0;
                for (firstFullScan = firstScan; firstFullScan < lastScan; firstFullScan++)
                {
                    if (rawFile.GetMsLevel(firstFullScan) == 1)
                    {
                        break;
                    }
                }

                if (firstFullScan >= lastScan)
                {
                    return(new List <string>());
                }

                Progress.SetRange(firstScan, lastScan);

                using (var sw = new StreamWriter(ms1Filename))
                {
                    //write header
                    sw.Write("H\tCreationDate\t{0:m/dd/yyyy HH:mm:ss}\n", DateTime.Now);
                    sw.Write("H\tExtractor\t{0}\n", GetProgramName());
                    sw.Write("H\tExtractorVersion\t{0}\n", GetProgramVersion());
                    sw.Write("H\tComments\t{0} written by Quanhu Sheng, 2008-2009\n", GetProgramName());
                    sw.Write("H\tExtractorOptions\tMS1\n");
                    sw.Write("H\tAcquisitionMethod\tData-Dependent\n");
                    sw.Write("H\tDataType\tCentriod\n");
                    sw.Write("H\tScanType\tMS1\n");
                    sw.Write("H\tFirstScan\t{0}\n", firstScan);
                    sw.Write("H\tLastScan\t{0}\n", lastScan);

                    using (var swIndex = new StreamWriter(ms1IndexFilename))
                    {
                        for (int scan = firstScan; scan <= lastScan; scan++)
                        {
                            if (Progress.IsCancellationPending())
                            {
                                throw new UserTerminatedException();
                            }

                            Progress.SetPosition(scan);

                            if (rawFile.GetMsLevel(scan) == 1)
                            {
                                sw.Flush();

                                swIndex.Write("{0}\t{1}\n", scan, sw.BaseStream.Position);

                                sw.Write("S\t{0}\t{0}\n", scan);
                                sw.Write("I\tRetTime\t{0:0.####}\n", rawFile.ScanToRetentionTime(scan));

                                PeakList <Peak> pkl = rawFile.GetPeakList(scan);
                                foreach (Peak p in pkl)
                                {
                                    sw.Write("{0:0.0000} {1:0.0} {2}\n", p.Mz, p.Intensity, p.Charge);
                                }
                            }
                        }
                    }
                }
            }
            finally
            {
                rawFile.Close();
            }

            Progress.End();

            return(new[] { ms1Filename });
        }
コード例 #8
0
 public void LoadFile()
 {
     reader.Open(TestContext.CurrentContext.TestDirectory + "/../../../data//QTof_itraq.mzData");
 }
        public override IEnumerable <string> Process(string targetDir)
        {
            foreach (var raw in rawFiles)
            {
                List <RetentionTimePeak> waitingPeaks = new List <RetentionTimePeak>();
                foreach (var peak in targetPeaks)
                {
                    string file = GetTargetFile(targetDir, raw, peak);
                    if (force || !File.Exists(file))
                    {
                        waitingPeaks.Add(peak);
                    }
                }

                if (waitingPeaks.Count == 0)
                {
                    continue;
                }

                rawReader.Open(raw);
                try
                {
                    int firstScan = rawReader.GetFirstSpectrumNumber();
                    int lastScan  = rawReader.GetLastSpectrumNumber();

                    waitingPeaks.ForEach(m => m.Chromotographs.Clear());

                    for (int scan = firstScan; scan <= lastScan; scan++)
                    {
                        if (rawReader.GetMsLevel(scan) != 1)
                        {
                            continue;
                        }

                        if (Progress.IsCancellationPending())
                        {
                            throw new UserTerminatedException();
                        }

                        PeakList <Peak> pkl = rawReader.GetPeakList(scan);

                        double rt = rawReader.ScanToRetentionTime(scan);
                        var    st = new ScanTime(scan, rt);

                        foreach (var peak in waitingPeaks)
                        {
                            var env = pkl.FindEnvelopeDirectly(peak.PeakEnvelope, peak.MzTolerance, () => new Peak());
                            env.ScanTimes.Add(st);
                            peak.Chromotographs.Add(env);
                        }
                    }

                    waitingPeaks.ForEach(m => m.TrimPeaks());
                }
                finally
                {
                    rawReader.Close();
                }

                foreach (var peak in waitingPeaks)
                {
                    string file = GetTargetFile(targetDir, raw, peak);
                    new RetentionTimePeakXmlFormat().WriteToFile(file, peak);
                }
            }

            return(new string[] { targetDir });
        }