コード例 #1
0
        public ISpectrum GetSpectrum(int scanNum)
        {
            double    retention = GetRetentionTime(scanNum);
            ISpectrum spectrum  = new GeneralSpectrum(scanNum, retention);

            string szFilter              = "";
            int    pnScanNumber          = scanNum;
            int    nIntensityCutoffType  = 0;
            int    nIntensityCutoffValue = 0;
            int    nMaxNumberOfPeaks     = 0;
            int    bCentroidResult       = 0;
            int    pnArraySize           = 0;
            double pdCentroidPeakWidth   = 0;
            object pvarMassList          = null;
            object pvarPeakFlags         = null;

            rawConnect.GetMassListFromScanNum(ref pnScanNumber, szFilter, nIntensityCutoffType, nIntensityCutoffValue,
                                              nMaxNumberOfPeaks, bCentroidResult, ref pdCentroidPeakWidth, ref pvarMassList, ref pvarPeakFlags, ref pnArraySize);

            ////construct peaks
            double[,] value = (double[, ])pvarMassList;
            for (int pn = 0; pn < pnArraySize; pn++)
            {
                double mass      = value[0, pn];
                double intensity = value[1, pn];
                if (intensity > 0)
                {
                    spectrum.Add(new GeneralPeak(mass, intensity));
                }
            }

            return(spectrum);
        }
コード例 #2
0
        public List <IPeak> GetPeaks(int scanNum)
        {
            string szFilter              = "";
            int    pnScanNumber          = scanNum;
            int    nIntensityCutoffType  = 0;
            int    nIntensityCutoffValue = 0;
            int    nMaxNumberOfPeaks     = 0;
            int    bCentroidResult       = 0;
            int    pnArraySize           = 0;
            double pdCentroidPeakWidth   = 0;
            object pvarMassList          = null;
            object pvarPeakFlags         = null;

            _rawConnect.GetMassListFromScanNum(ref pnScanNumber, szFilter, nIntensityCutoffType, nIntensityCutoffValue,
                                               nMaxNumberOfPeaks, bCentroidResult, ref pdCentroidPeakWidth, ref pvarMassList, ref pvarPeakFlags, ref pnArraySize);

            ////construct peaks
            double[,] value = (double[, ])pvarMassList;
            List <IPeak> peaks = new List <IPeak>();

            for (int pn = 0; pn < pnArraySize; pn++)
            {
                double mass      = value[0, pn];
                double intensity = value[1, pn];
                if (intensity > 0)
                {
                    peaks.Add(new GeneralPeak(mass, intensity));
                }
            }
            return(peaks);
        }
コード例 #3
0
ファイル: ThermoRawFile.cs プロジェクト: gwilson9/GlycoTools
        private double[,] GetUnlabeledData(int spectrumNumber, bool useCentroid)
        {
            object massList          = null;
            object peakFlags         = null;
            int    arraySize         = -1;
            double centroidPeakWidth = 0.001;

            _rawConnection.GetMassListFromScanNum(ref spectrumNumber, null, 0, 0, 0, Convert.ToInt32(useCentroid), ref centroidPeakWidth, ref massList, ref peakFlags, ref arraySize);
            return((double[, ])massList);
        }
コード例 #4
0
        private Binary.Peak1DArray ReadSpectrumPeaks(int scanNo)
        {
            RaiseDisposed();

            try
            {
                int    peakArraySize    = 0;
                double controidPeakWith = 0;
                object massList         = null;
                object peakFlags        = null;

                rawFile.GetMassListFromScanNum(
                    ref scanNo,
                    null, 1, 0, 0, 0,
                    ref controidPeakWith,
                    ref massList,
                    ref peakFlags,
                    ref peakArraySize);

                double[,] peakData = massList as double[, ];

                Peak1DArray pa = new Peak1DArray(
                    BinaryDataCompressionType.NoCompression,
                    BinaryDataType.Float32,
                    BinaryDataType.Float32);

                //Peak1D[] peaks = new Peak1D[peakArraySize];

                //for (int i = 0; i < peakArraySize; i++)
                //    peaks[i] = new Peak1D(peakData[1, i], peakData[0, i]);

                //pa.Peaks = MzLiteArray.ToMzLiteArray(peaks);

                pa.Peaks = new ThermoPeaksArray(peakData, peakArraySize);

                return(pa);
            }
            catch (Exception ex)
            {
                throw new MzLiteIOException(ex.Message, ex);
            }
        }
コード例 #5
0
        private void SaveDataToCdf(MsSpectrum spec, string fpath)
        {
            DataSetFactory.SearchFolder("Microsoft.Research.Science.Data.NetCDF4.dll");
            DataSetFactory.SearchFolder("Microsoft.Research.Science.Data.dll");
            DataSetFactory.SearchFolder("Microsoft.Research.Science.Data.Imperative.dll");

            int    nControllerType = 0;                      // 0 == mass spec device
            int    nContorllerNumber = 1;                    // first MS device
            int    totalNumScans = 0;                        // Number of scans
            int    firstScanNumber = 0, lastScanNumber = -1; // Number of first and last scan
            string scanFilter             = null;            // Scan filter line
            int    numDataPoints          = -1;              // points in both the m/z and intensity arrays
            double retentionTimeInMinutes = -1;
            double minObservedMZ          = -1;
            double maxObservedMZ          = -1;
            double totalIonCurrent        = -1;
            double basePeakMZ             = -1;
            double basePeakIntensity      = -1;
            int    channel     = 0; // unused
            int    uniformTime = 0; // unused
            double frequency   = 0; // unused

            int      arraySize            = -1;
            object   rawData              = null; // rawData wil come as Double[,]
            object   peakFlags            = null;
            string   szFilter             = null; // No filter
            int      intensityCutoffType  = 1;    // No cutoff
            int      intensityCutoffValue = 0;    // No cutoff
            int      maxNumberOfPeaks     = 0;    // 0 : return all data peaks
            double   centroidPeakWidth    = 0;    // No centroiding
            int      centroidThisScan     = 0;    // No centroiding
            DateTime creationDate         = DateTime.MinValue;

            var scanPath = Path.Combine(fpath, $"{spec.Id}.cdf");

            var cdf = DataSet.Open(scanPath);

            cdf.IsAutocommitEnabled = false;
            AddMetadata(cdf);
            IXRawfile5 rawFile = (IXRawfile5) new MSFileReader_XRawfile();

            rawFile.Open(spec.RawFilePath);
            rawFile.SetCurrentController(nControllerType, nContorllerNumber);
            rawFile.GetNumSpectra(ref totalNumScans);

            rawFile.GetFirstSpectrumNumber(ref firstScanNumber);
            rawFile.GetLastSpectrumNumber(ref lastScanNumber);
            rawFile.GetCreationDate(ref creationDate);


            var massVar           = cdf.Add <double>("mass_values", new[] { "point_number" });
            var intensities       = cdf.Add <Int32>("intensity_values", new[] { "point_number" });
            var acqTimeVar        = cdf.Add <double>("scan_acquisition_time", new[] { "scan_number" });
            var scIndexVar        = cdf.Add <int>("scan_index", new[] { "scan_number" });
            var scCountVar        = cdf.Add <int>("point_count", new[] { "scan_number" });
            var totalIntensityVar = cdf.Add <double>("total_intensity", new[] { "scan_number" });

            massVar.Metadata["scale_factor"]     = 1.0;
            intensities.Metadata["scale_factor"] = 1.0;

            try
            {
                var retTimes   = new double[lastScanNumber];
                var ticArr     = new double[lastScanNumber];
                var scanIndex  = new Int32[lastScanNumber];
                var pointCount = new Int32[lastScanNumber];

                for (int curScanNum = firstScanNumber; curScanNum <= lastScanNumber; curScanNum++)
                {
                    rawFile.GetScanHeaderInfoForScanNum(curScanNum,
                                                        ref numDataPoints,
                                                        ref retentionTimeInMinutes,
                                                        ref minObservedMZ,
                                                        ref maxObservedMZ,
                                                        ref totalIonCurrent,
                                                        ref basePeakMZ,
                                                        ref basePeakIntensity,
                                                        ref channel,     // unused
                                                        ref uniformTime, // unused
                                                        ref frequency    // unused
                                                        );
                    scanFilter = null;
                    rawFile.GetFilterForScanNum(curScanNum, ref scanFilter);

                    peakFlags            = null;
                    centroidPeakWidth    = 0;
                    arraySize            = 0;
                    intensityCutoffType  = 1;
                    intensityCutoffValue = (int)(0.001 * basePeakIntensity);
                    rawFile.GetMassListFromScanNum(
                        ref curScanNum,
                        szFilter,              // filter
                        intensityCutoffType,   // intensityCutoffType
                        intensityCutoffValue,  // intensityCutoffValue
                        maxNumberOfPeaks,      // maxNumberOfPeaks
                        centroidThisScan,      // centroid result?
                        ref centroidPeakWidth, // centroidingPeakWidth
                        ref rawData,           // daw data
                        ref peakFlags,         // peakFlags
                        ref arraySize);        // array size

                    ;
                    var datArray = (Array)rawData;
                    var massArr  = new double[arraySize];
                    var intArr   = new int[arraySize];
                    for (var j = 0; j < arraySize; j++)
                    {
                        massArr[j] = (double)datArray.GetValue(0, j);
                        intArr[j]  = Convert.ToInt32(datArray.GetValue(1, j));
                    }
                    //Console.Write($"curScan = {curScanNum}\n");
                    var ind = curScanNum - 1;
                    pointCount[ind] = arraySize;
                    if (ind == 0)
                    {
                        scanIndex[ind]     = 0;
                        scanIndex[ind + 1] = arraySize;
                    }
                    else
                    {
                        scanIndex[ind] += scanIndex[ind - 1];
                        if (ind + 1 < lastScanNumber)
                        {
                            scanIndex[ind + 1] = arraySize;
                        }
                    }
                    retTimes[ind] = TimeSpan.FromMinutes(retentionTimeInMinutes).TotalSeconds;
                    ticArr[ind]   = totalIonCurrent;
                    massVar.Append(massArr);
                    intensities.Append(intArr);
                    rawData = null;
                }

                totalIntensityVar.PutData(ticArr);
                scIndexVar.PutData(scanIndex);
                acqTimeVar.PutData(retTimes);
                scCountVar.PutData(pointCount);

                cdf.Commit();
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            finally
            {
                cdf.Dispose();
                rawFile.Close();
            }
        }
コード例 #6
0
        public static MsDataScan GetMsDataOneBasedScanFromThermoFile(IXRawfile5 theConnection, int nScanNumber, ThermoGlobalParams globalParams, IFilteringParams filterParams = null)
        {
            int    pnNumPackets        = 0;
            double pdLowMass           = 0;
            double pdHighMass          = 0;
            double pdTIC               = 0;
            double pdBasePeakMass      = 0;
            double pdBasePeakIntensity = 0;
            int    pnNumChannels       = 0;
            int    pbUniformTime       = 0;
            double pdFrequency         = 0;
            double pdStartTime         = 0;

            theConnection.GetScanHeaderInfoForScanNum(nScanNumber, ref pnNumPackets, ref pdStartTime, ref pdLowMass, ref pdHighMass, ref pdTIC, ref pdBasePeakMass, ref pdBasePeakIntensity, ref pnNumChannels, ref pbUniformTime, ref pdFrequency);

            double?ms2isolationWidthFromTrailerExtra        = null;
            double?injectionTimeFromTrailerExtra            = null;
            double?precursorMonoisotopicMZfromTrailierExtra = null;
            int?   chargeStatefromTrailierExtra             = null;
            int?   masterScanfromTrailierExtra = null;

            object pvarValues  = null;
            object pvarLables  = null;
            int    pnArraySize = 0;

            theConnection.GetTrailerExtraForScanNum(nScanNumber, ref pvarLables, ref pvarValues, ref pnArraySize);

            string[] labels = (string[])pvarLables;
            string[] values = (string[])pvarValues;
            for (int i = labels.GetLowerBound(0); i <= labels.GetUpperBound(0); i++)
            {
                if (labels[i].StartsWith("MS2 Isolation Width", StringComparison.Ordinal))
                {
                    ms2isolationWidthFromTrailerExtra = double.Parse(values[i], CultureInfo.InvariantCulture) == 0 ?
                                                        (double?)null :
                                                        double.Parse(values[i], CultureInfo.InvariantCulture);
                }
                if (labels[i].StartsWith("Ion Injection Time (ms)", StringComparison.Ordinal))
                {
                    injectionTimeFromTrailerExtra = double.Parse(values[i], CultureInfo.InvariantCulture) == 0 ?
                                                    (double?)null :
                                                    double.Parse(values[i], CultureInfo.InvariantCulture);
                }
                if (labels[i].StartsWith("Monoisotopic M/Z", StringComparison.Ordinal))
                {
                    precursorMonoisotopicMZfromTrailierExtra = double.Parse(values[i], CultureInfo.InvariantCulture) == 0 ?
                                                               (double?)null :
                                                               double.Parse(values[i], CultureInfo.InvariantCulture);
                }
                if (labels[i].StartsWith("Charge State", StringComparison.Ordinal))
                {
                    chargeStatefromTrailierExtra = int.Parse(values[i], CultureInfo.InvariantCulture) == 0 ?
                                                   (int?)null :
                                                   int.Parse(values[i], CultureInfo.InvariantCulture);
                }
                if (labels[i].StartsWith("Master Scan Number", StringComparison.Ordinal))
                {
                    masterScanfromTrailierExtra = int.Parse(values[i], CultureInfo.InvariantCulture) == 0 ?
                                                  (int?)null :
                                                  int.Parse(values[i], CultureInfo.InvariantCulture);
                }
            }

            string pbstrFilter = null;

            theConnection.GetFilterForScanNum(nScanNumber, ref pbstrFilter);

            int pnMSOrder = 0;

            theConnection.GetMSOrderForScanNum(nScanNumber, ref pnMSOrder);

            int pnMassAnalyzerType = 0;

            theConnection.GetMassAnalyzerTypeForScanNum(nScanNumber, ref pnMassAnalyzerType);

            object pvarNoisePacket = null;

            try //if there is no noise data
            {
                theConnection.GetNoiseData(ref pvarNoisePacket, nScanNumber);
            }
            catch
            {
                //pvarNoisePAcket is already null
            }
            double[,] noiseData = pvarNoisePacket as double[, ];

            double[,] data;
            try
            {
                object pvarFlags  = null;
                object pvarLabels = null;
                theConnection.GetLabelData(ref pvarLabels, ref pvarFlags, ref nScanNumber);
                data = pvarLabels as double[, ];
                if (data == null || data.Length == 0)
                {
                    throw new MzLibException("For spectrum number " + nScanNumber + " the data is null!");
                }
            }
            catch (MzLibException)
            {
                // Warning: the masses reported by GetMassListFromScanNum when centroiding are not properly calibrated and thus could be off by 0.3 m/z or more

                double pdCentroidPeakWidth = 0;
                object pvarnMassList       = null;
                object pvarPeakFlags       = null;
                theConnection.GetMassListFromScanNum(ref nScanNumber, null, 0, 0, 0, 1, ref pdCentroidPeakWidth, ref pvarnMassList, ref pvarPeakFlags, ref pnArraySize);
                data = (double[, ])pvarnMassList;
            }

            MzSpectrum thermoSpectrum;

            if (filterParams != null && data.GetLength(1) > 0 && (filterParams.MinimumAllowedIntensityRatioToBasePeakM.HasValue || filterParams.NumberOfPeaksToKeepPerWindow.HasValue) && ((filterParams.ApplyTrimmingToMs1 && pnMSOrder == 1) || (filterParams.ApplyTrimmingToMsMs && pnMSOrder > 1)))
            {
                var count = data.GetLength(1);

                var mzArray        = new double[count];
                var intensityArray = new double[count];
                Buffer.BlockCopy(data, 0, mzArray, 0, sizeof(double) * count);
                Buffer.BlockCopy(data, sizeof(double) * count, intensityArray, 0, sizeof(double) * count);
                if (filterParams.NumberOfWindows == null)
                {
                    int numPeaks = TopNpeakHelper(ref intensityArray, ref mzArray, filterParams);
                    //the following arrays are modified after TopN helper
                    Array.Resize(ref intensityArray, numPeaks);
                    Array.Resize(ref mzArray, numPeaks);
                }
                //Array reference passed by value, array calues will be modified after calling
                else
                {
                    WindowModeHelper(ref intensityArray, ref mzArray, filterParams);
                }
                Array.Sort(mzArray, intensityArray);
                thermoSpectrum = new MzSpectrum(mzArray, intensityArray, false);
            }
            else
            {
                thermoSpectrum = new MzSpectrum(data);
            }
            MZAnalyzerType mzAnalyzerType;

            if ((ThermoMzAnalyzer)pnMassAnalyzerType == ThermoMzAnalyzer.FTMS)
            {
                mzAnalyzerType = MZAnalyzerType.Orbitrap;
            }
            else
            {
                mzAnalyzerType = MZAnalyzerType.Unknown;
            }
            string nativeId = "controllerType=0 controllerNumber=1 scan=" + nScanNumber;

            if (pnMSOrder > 1)
            {
                int pnActivationType = 0;
                theConnection.GetActivationTypeForScanNum(nScanNumber, pnMSOrder, ref pnActivationType);

                // INITIALIZE globalParams.couldBePrecursor[nScanNumber - 1] (for dynamic connections that don't have it initialized yet)
                if (globalParams.CouldBePrecursor[nScanNumber - 1].Equals(default(ManagedThermoHelperLayer.PrecursorInfo)))
                {
                    var ok = new ManagedThermoHelperLayer.HelperClass();
                    globalParams.CouldBePrecursor[nScanNumber - 1] = ok.GetSingleScanPrecursorInfo(nScanNumber, globalParams.FilePath);
                }

                var precursorInfo = globalParams.CouldBePrecursor[nScanNumber - 1];

                // THIS METHOD IS BUGGY!!! DO NOT USE
                //theConnection.FindPrecursorMassInFullScan(nScanNumber, ref pnMasterScan, ref pdFoundMass, ref pdHeaderMass, ref pnChargeState);

                int oneBasedPrecursorScanNumber = -1;
                if (precursorInfo.nScanNumber > 0)
                {
                    oneBasedPrecursorScanNumber = precursorInfo.nScanNumber;
                }
                else if (masterScanfromTrailierExtra.HasValue && masterScanfromTrailierExtra > 0)
                {
                    oneBasedPrecursorScanNumber = masterScanfromTrailierExtra.Value;
                }
                else
                {
                    // we weren't able to get the precursor scan number, so we'll have to guess;
                    // loop back to find precursor scan
                    // (assumed to be the first scan before this scan with an MS order of this scan's MS order - 1)
                    // e.g., if this is an MS2 scan, find the first MS1 scan before this and assume that's the precursor scan
                    int scanOrder          = globalParams.MsOrderByScan[nScanNumber - 1];
                    int precursorScanOrder = scanOrder - 1;

                    for (int i = nScanNumber - 1; i >= 0; i--)
                    {
                        int msOrder = globalParams.MsOrderByScan[i];

                        if (msOrder == precursorScanOrder)
                        {
                            oneBasedPrecursorScanNumber = i + 1;
                            break;
                        }
                    }
                }
                if (oneBasedPrecursorScanNumber == -1)
                {
                    throw new MzLibException("Could not find precursor info for scan #" + nScanNumber);
                }

                int?selectedIonGuessChargeStateGuess = null;
                if (precursorInfo.nChargeState > 0)
                {
                    selectedIonGuessChargeStateGuess = precursorInfo.nChargeState;
                }
                else if (chargeStatefromTrailierExtra.HasValue)
                {
                    selectedIonGuessChargeStateGuess = chargeStatefromTrailierExtra;
                }

                double?selectedIonGuessMonoisotopicMz = null;
                if (precursorMonoisotopicMZfromTrailierExtra.HasValue && precursorMonoisotopicMZfromTrailierExtra.Value > 0)
                {
                    selectedIonGuessMonoisotopicMz = precursorMonoisotopicMZfromTrailierExtra;
                }
                if (precursorInfo.dMonoIsoMass > 0 && !selectedIonGuessMonoisotopicMz.HasValue)
                {
                    selectedIonGuessMonoisotopicMz = precursorInfo.dMonoIsoMass;
                }

                Regex matcher;
                if (pbstrFilter.ToLower().Contains("msx"))
                {
                    matcher = mFindParentIonOnlyMsx;
                }
                else
                {
                    matcher = mFindParentIonOnlyNonMsx;
                }
                double selectedIonGuessMZ = double.Parse(matcher.Match(pbstrFilter).Groups["ParentMZ"].Value);

                //   int? selectedIonChargeStateGuess, double? selectedIonIntensity, double? isolationMZ, double? isolationWidth, DissociationType dissociationType, int? oneBasedPrecursorScanNumber, double? selectedIonMonoisotopicGuessMz, double? injectionTime, double[,] noiseData, string nativeId)
                // double TotalIonCurrent, double selectedIonMZ, int? selectedIonChargeStateGuess, double? selectedIonIntensity, double? isolationMZ, double? isolationWidth, DissociationType dissociationType, int? oneBasedPrecursorScanNumber, double? selectedIonMonoisotopicGuessMz, double? injectionTime, double[,] noiseData, string nativeId)
                return(new MsDataScan(
                           thermoSpectrum,
                           nScanNumber,
                           pnMSOrder,
                           true,
                           PolarityRegex.IsMatch(pbstrFilter) ? Polarity.Positive : Polarity.Negative,
                           pdStartTime,
                           new MzRange(pdLowMass, pdHighMass),
                           pbstrFilter,
                           mzAnalyzerType,
                           pdTIC,
                           injectionTimeFromTrailerExtra,
                           noiseData,
                           nativeId,
                           selectedIonGuessMZ,
                           selectedIonGuessChargeStateGuess,
                           null,
                           selectedIonGuessMZ,
                           ms2isolationWidthFromTrailerExtra,
                           (DissociationType)pnActivationType,
                           oneBasedPrecursorScanNumber,
                           selectedIonGuessMonoisotopicMz
                           ));
            }
            else
            {
                return(new MsDataScan(
                           thermoSpectrum,
                           nScanNumber,
                           1,
                           true,
                           PolarityRegex.IsMatch(pbstrFilter) ? Polarity.Positive : Polarity.Negative,
                           pdStartTime,
                           new MzRange(pdLowMass, pdHighMass),
                           pbstrFilter,
                           mzAnalyzerType,
                           pdTIC,
                           injectionTimeFromTrailerExtra,
                           noiseData,
                           nativeId));
            }
        }