Example #1
0
        private List <udtScansDataType> LoadScansFile(string strScansFilePath)
        {
            const string FILTERED_SCANS_SUFFIX = "_filtered_scans.csv";

            var dctColumnInfo = new Dictionary <string, int>
            {
                { "type", -1 },
                { "bpi", -1 },
                { "bpi_mz", -1 },
                { "tic", -1 },
                { "num_peaks", -1 },
                { "num_deisotoped", -1 }
            };

            var intColIndexScanOrFrameNum  = -1;
            var intColIndexScanOrFrameTime = -1;

            var lstScanData         = new List <udtScansDataType>();
            var intRowNumber        = 0;
            var intColIndexScanInfo = -1;

            if (!File.Exists(strScansFilePath) && strScansFilePath.ToLower().EndsWith(FILTERED_SCANS_SUFFIX))
            {
                strScansFilePath = strScansFilePath.Substring(0, strScansFilePath.Length - FILTERED_SCANS_SUFFIX.Length) + "_scans.csv";
            }

            if (!File.Exists(strScansFilePath))
            {
                OnWarningEvent("Warning: _scans.csv file is missing; will plot vs. scan number instead of vs. elution time");
                return(lstScanData);
            }

            Console.WriteLine("  Reading the _scans.csv file");

            using (var srIsosFile = new StreamReader(new FileStream(strScansFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
            {
                while (!srIsosFile.EndOfStream)
                {
                    intRowNumber += 1;
                    var strLineIn = srIsosFile.ReadLine();
                    if (strLineIn == null)
                    {
                        continue;
                    }

                    var lstData = strLineIn.Split(',').ToList();

                    if (intRowNumber == 1)
                    {
                        // Parse the header row
                        ParseColumnHeaders(dctColumnInfo, lstData, "_scans.csv");

                        intColIndexScanOrFrameNum = GetScanOrFrameColIndex(lstData, "_scans.csv");

                        intColIndexScanOrFrameTime = lstData.IndexOf("frame_time");
                        if (intColIndexScanOrFrameTime < 0)
                        {
                            intColIndexScanOrFrameTime = lstData.IndexOf("scan_time");
                        }

                        // The info column will have data of the form "FTMS + p NSI Full ms [400.00-2000.00]" for Thermo datasets
                        // For .mzXML files, this fill will simply have an integer (and thus isn't useful)
                        // It may not be present in older _scancs.csv files and is thus optional
                        intColIndexScanInfo = lstData.IndexOf("info");

                        continue;
                    }

                    try
                    {
                        var udtScanData = new udtScansDataType();

                        int.TryParse(lstData[intColIndexScanOrFrameNum], out udtScanData.Scan);
                        float.TryParse(lstData[intColIndexScanOrFrameTime], out udtScanData.ElutionTime);
                        int.TryParse(lstData[dctColumnInfo["type"]], out udtScanData.MSLevel);
                        double.TryParse(lstData[dctColumnInfo["bpi"]], out udtScanData.BasePeakIntensity);
                        double.TryParse(lstData[dctColumnInfo["bpi_mz"]], out udtScanData.BasePeakMZ);
                        double.TryParse(lstData[dctColumnInfo["tic"]], out udtScanData.TotalIonCurrent);
                        int.TryParse(lstData[dctColumnInfo["num_peaks"]], out udtScanData.NumPeaks);
                        int.TryParse(lstData[dctColumnInfo["num_deisotoped"]], out udtScanData.NumDeisotoped);

                        if (intColIndexScanInfo > 0)
                        {
                            var infoText = lstData[intColIndexScanInfo];

                            // Only store infoText in .FilterText if infoText is not simply an integer
                            if (!int.TryParse(infoText, out _))
                            {
                                udtScanData.FilterText = infoText;
                            }
                        }

                        lstScanData.Add(udtScanData);

                        if (mSaveTICAndBPI)
                        {
                            mTICandBPIPlot.AddData(udtScanData.Scan, udtScanData.MSLevel, udtScanData.ElutionTime, udtScanData.BasePeakIntensity, udtScanData.TotalIonCurrent);
                        }

                        string scanTypeName;
                        if (string.IsNullOrWhiteSpace(udtScanData.FilterText))
                        {
                            udtScanData.FilterText = udtScanData.MSLevel > 1 ? "HMSn" : "HMS";
                            scanTypeName           = udtScanData.FilterText;
                        }
                        else
                        {
                            scanTypeName = XRawFileIO.GetScanTypeNameFromFinniganScanFilterText(udtScanData.FilterText);
                        }

                        var objScanStatsEntry = new clsScanStatsEntry
                        {
                            ScanNumber                 = udtScanData.Scan,
                            ScanType                   = udtScanData.MSLevel,
                            ScanTypeName               = scanTypeName,
                            ScanFilterText             = XRawFileIO.MakeGenericFinniganScanFilter(udtScanData.FilterText),
                            ElutionTime                = udtScanData.ElutionTime.ToString("0.0###"),
                            TotalIonIntensity          = StringUtilities.ValueToString(udtScanData.TotalIonCurrent, 5),
                            BasePeakIntensity          = StringUtilities.ValueToString(udtScanData.BasePeakIntensity, 5),
                            BasePeakMZ                 = udtScanData.BasePeakMZ.ToString("0.0###"),
                            BasePeakSignalToNoiseRatio = "0",
                            IonCount                   = udtScanData.NumDeisotoped,
                            IonCountRaw                = udtScanData.NumPeaks,
                            ExtendedScanInfo           =
                            {
                                CollisionMode  = string.Empty,
                                ScanFilterText = udtScanData.FilterText
                            }
                        };

                        mDatasetStatsSummarizer.AddDatasetScan(objScanStatsEntry);
                    }
                    catch (Exception ex)
                    {
                        OnWarningEvent("Warning: Ignoring scan " + lstData[dctColumnInfo["scan_num"]] + " since data conversion error: " + ex.Message);
                    }
                }
            }

            return(lstScanData);
        }
Example #2
0
        private void LoadData(FileInfo fiIsosFile, clsDatasetFileInfo datasetFileInfo)
        {
            // Cache the data in the _isos.csv and _scans.csv files

            if (mSaveTICAndBPI)
            {
                // Initialize the TIC and BPI arrays
                InitializeTICAndBPI();
            }

            if (mSaveLCMS2DPlots)
            {
                InitializeLCMS2DPlot();
            }

            var lstIsosData = LoadIsosFile(fiIsosFile.FullName, MaxFit);

            if (lstIsosData.Count == 0)
            {
                OnErrorEvent("No data found in the _isos.csv file: " + fiIsosFile.FullName);
                return;
            }

            var strScansFilePath = GetDatasetNameViaPath(fiIsosFile.Name) + DECONTOOLS_SCANS_FILE_SUFFIX;

            if (fiIsosFile.Directory != null)
            {
                strScansFilePath = Path.Combine(fiIsosFile.Directory.FullName, strScansFilePath);
            }

            var lstScanData        = LoadScansFile(strScansFilePath);
            var scansFileIsMissing = false;

            if (lstScanData.Count > 0)
            {
                datasetFileInfo.AcqTimeEnd = datasetFileInfo.AcqTimeStart.AddMinutes(lstScanData.Last().ElutionTime);
                datasetFileInfo.ScanCount  = lstScanData.Last().Scan;
            }
            else
            {
                scansFileIsMissing = true;

                datasetFileInfo.ScanCount = (from item in lstIsosData select item.Scan).Max();

                for (var intScanIndex = 1; intScanIndex <= datasetFileInfo.ScanCount; intScanIndex++)
                {
                    var udtScanData = new udtScansDataType
                    {
                        Scan        = intScanIndex,
                        ElutionTime = intScanIndex,
                        MSLevel     = 1
                    };

                    lstScanData.Add(udtScanData);
                }
            }

            // Step through the isos data and call mLCMS2DPlot.AddScan() for each scan

            var lstIons        = new List <clsLCMSDataPlotter.udtMSIonType>();
            var intCurrentScan = 0;

            // Note: we only need to update mLCMS2DPlot
            // The options for mLCMS2DPlotOverview will be cloned from mLCMS2DPlot.Options
            mLCMS2DPlot.Options.PlottingDeisotopedData = true;

            var dblMaxMonoMass = mLCMS2DPlot.Options.MaxMonoMassForDeisotopedPlot;

            for (var intIndex = 0; intIndex <= lstIsosData.Count - 1; intIndex++)
            {
                if (lstIsosData[intIndex].Scan > intCurrentScan || intIndex == lstIsosData.Count - 1)
                {
                    // Store the cached values

                    if (lstIons.Count > 0)
                    {
                        var udtCurrentScan = (from item in lstScanData where item.Scan == intCurrentScan select item).ToList().FirstOrDefault();

                        lstIons.Sort(new clsLCMSDataPlotter.udtMSIonTypeComparer());
                        mLCMS2DPlot.AddScan(intCurrentScan, udtCurrentScan.MSLevel, udtCurrentScan.ElutionTime, lstIons);

                        if (scansFileIsMissing && mSaveTICAndBPI)
                        {
                            // Determine the TIC and BPI values using the data from the .isos file
                            double tic = 0;
                            double bpi = 0;

                            for (var dataIndex = 0; dataIndex <= lstIons.Count - 1; dataIndex++)
                            {
                                tic += lstIons[dataIndex].Intensity;
                                if (lstIons[dataIndex].Intensity > bpi)
                                {
                                    bpi = lstIons[dataIndex].Intensity;
                                }
                            }

                            mTICandBPIPlot.AddData(intCurrentScan, udtCurrentScan.MSLevel, udtCurrentScan.ElutionTime, bpi, tic);
                        }
                    }

                    intCurrentScan = lstIsosData[intIndex].Scan;
                    lstIons.Clear();
                }

                if (lstIsosData[intIndex].MonoMass <= dblMaxMonoMass)
                {
                    var udtIon = new clsLCMSDataPlotter.udtMSIonType
                    {
                        // Note that we store .MonoMass in a field called .mz; we'll still be plotting monoisotopic mass
                        MZ        = lstIsosData[intIndex].MonoMass,
                        Intensity = lstIsosData[intIndex].Abundance,
                        Charge    = lstIsosData[intIndex].Charge
                    };

                    lstIons.Add(udtIon);
                }
            }
        }