コード例 #1
0
        public void TestGetParentScan(string mzXmlFileName, int startScan, int endScan, params int[] expectedParents)
        {
            var dataFile = FindInputFile(mzXmlFileName);

            var reader = new MzXMLFileAccessor();

            reader.OpenFile(dataFile.FullName);

            var i = 0;
            var validScanCount = 0;

            for (var scanNumber = startScan; scanNumber <= endScan; scanNumber++)
            {
                var validScan = reader.GetSpectrumByScanNumber(scanNumber, out var spectrumInfo);

                if (!validScan)
                {
                    ConsoleMsgUtils.ShowWarning("Invalid scan number: {0}", scanNumber);
                    i++;
                    continue;
                }

                validScanCount++;

                if (spectrumInfo is not SpectrumInfoMzXML mzXmlSpectrum)
                {
                    Assert.Fail("Input file is not a .mzXML file; cannot validate precursor scan numbers");
                    return;
                }

                Console.WriteLine("MS{0} scan {1,-4} has parent {2,-4}", spectrumInfo.MSLevel, scanNumber, mzXmlSpectrum.PrecursorScanNum);

                if (i < expectedParents.Length && expectedParents[i] != 0)
                {
                    Assert.AreEqual(
                        expectedParents[i], mzXmlSpectrum.PrecursorScanNum,
                        "Parent scan does not match expected value: {0}",
                        expectedParents[i]);
                }

                i++;
            }

            var percentValid = validScanCount / (double)(endScan - startScan + 1) * 100;

            Assert.Greater(percentValid, 90, "Over 10% of the spectra had invalid scan numbers");
        }
コード例 #2
0
        public void TestGetCollisionEnergy(string mzXmlFileName)
        {
            // Keys in this Dictionary are filename, values are Collision Energies by scan
            var expectedData = new Dictionary <string, Dictionary <int, List <double> > >();

            var ce30 = new List <double> {
                30.00
            };
            var ce45 = new List <double> {
                45.00
            };
            var ce120 = new List <double> {
                120.55119
            };
            var ms1Scan = new List <double>();
            var ms2ScanWithoutCollisionMode = new List <double>();

            // Keys in this dictionary are scan number and values are collision energies
            var file1Data = new Dictionary <int, List <double> >
            {
                { 2250, ce45 },
                { 2251, ce45 },
                { 2252, ce45 },
                { 2253, ms1Scan },
                { 2254, ce45 },
                { 2255, ce45 },
                { 2256, ce45 },
                { 2257, ms1Scan },
                { 2258, ce45 },
                { 2259, ce45 },
                { 2260, ce45 }
            };

            expectedData.Add("Shew_246a_LCQa_15Oct04_Andro_0904-2_4-20", file1Data);

            var file2Data = new Dictionary <int, List <double> >
            {
                { 19000, ms2ScanWithoutCollisionMode },
                { 19001, ce120 },
                { 19002, ce120 },
                { 19003, ms1Scan },
                { 19004, ce30 },
                { 19005, ce30 },
                { 19006, ce30 },
                { 19007, ms2ScanWithoutCollisionMode },
                { 19008, ce120 },
                { 19009, ce120 },
                { 19010, ce30 }
            };

            expectedData.Add("HCC-38_ETciD_EThcD_07Jan16_Pippin_15-08-53", file2Data);

            var file3Data = new Dictionary <int, List <double> >
            {
                { 1, ms2ScanWithoutCollisionMode },
                { 2, ms2ScanWithoutCollisionMode }
            };

            expectedData.Add("MZ0210MnxEF889ETD", file3Data);

            var file4Data = new Dictionary <int, List <double> >
            {
                { 27799, ms1Scan },
                { 27800, ce30 },
                { 27801, ce30 },
                { 27802, ce30 },
                { 27803, ce30 },
                { 27804, ce30 },
                { 27805, ms1Scan },
                { 27806, ce30 },
                { 27807, ce30 }
            };

            expectedData.Add("QC_Mam_16_01_125ng_2pt0-IT22_Run-A_16Oct17_Pippin_AQ_17-10-01", file4Data);

            var dataFile = FindInputFile(mzXmlFileName);

            if (!expectedData.TryGetValue(Path.GetFileNameWithoutExtension(dataFile.Name), out var collisionEnergiesThisFile))
            {
                Assert.Fail("Dataset {0} not found in dictionary expectedData", dataFile.Name);
            }

            // Keys are scan number, values are the collision energy
            var collisionEnergiesActual = new Dictionary <int, float>();

            // Keys are scan number, values are msLevel
            var msLevelsActual = new Dictionary <int, int>();

            // Keys are scan number, values are the ActivationType, for example cid, etd, hcd
            var activationTypesActual = new Dictionary <int, string>();

            var reader = new MzXMLFileAccessor();

            reader.OpenFile(dataFile.FullName);

            foreach (var scanNumber in collisionEnergiesThisFile.Keys)
            {
                var validScan = reader.GetSpectrumByScanNumber(scanNumber, out var spectrumInfo);

                Assert.IsTrue(validScan, "GetSpectrumByScanNumber returned false for scan {0}", scanNumber);

                if (spectrumInfo is not SpectrumInfoMzXML mzXmlSpectrum)
                {
                    Assert.Fail("Input file is not a .mzXML file; cannot validate collision energy");
                    return;
                }

                collisionEnergiesActual.Add(scanNumber, mzXmlSpectrum.CollisionEnergy);

                msLevelsActual.Add(scanNumber, mzXmlSpectrum.MSLevel);

                activationTypesActual.Add(scanNumber, mzXmlSpectrum.ActivationMethod);
            }

            Console.WriteLine("{0,-5} {1,-5} {2}", "Valid", "Scan", "Collision Energy");

            foreach (var actualEnergyOneScan in (from item in collisionEnergiesActual orderby item.Key select item))
            {
                var scanNumber = actualEnergyOneScan.Key;

                var expectedEnergies = collisionEnergiesThisFile[scanNumber];

                var activationTypes = string.Join(", ", activationTypesActual[scanNumber]);

                if (Math.Abs(actualEnergyOneScan.Value) < float.Epsilon)
                {
                    var msLevel = msLevelsActual[scanNumber];

                    if (msLevel != 1)
                    {
                        if (expectedEnergies.Count == 0)
                        {
                            var warning = string.Format(
                                "Scan {0} has msLevel={1} and activationType={2}, but no collision energy. This isn't typically true, but can happen in .mzXML files",
                                scanNumber, msLevel, activationTypes);
                            Console.WriteLine(warning);
                            continue;
                        }

                        var msg = string.Format(
                            "Scan {0} has no collision energy, which should only be true for spectra with msLevel=1. This scan has msLevel={1} and activationType={2}",
                            scanNumber, msLevel, activationTypes);
                        Console.WriteLine(msg);

                        Assert.Fail(msg);
                    }
                    else
                    {
                        Console.WriteLine("{0,-5} {1,-5} {2}", true, scanNumber, "MS1 scan");
                    }
                }
                else
                {
                    var actualEnergy = actualEnergyOneScan.Value;
                    var isValid      = expectedEnergies.Any(expectedEnergy => Math.Abs(actualEnergy - expectedEnergy) < 0.00001);

                    Console.WriteLine("{0,-5} {1,-5} {2:F2}", isValid, scanNumber, actualEnergy);

                    Assert.IsTrue(isValid, "Unexpected collision energy {0:F2} for scan {1}", actualEnergy, scanNumber);
                }
            }
        }
コード例 #3
0
        public void TestDataIsSortedByMz(string mzXmlFileName, int scanStart, int scanEnd, int scanStep)
        {
            var dataFile = FindInputFile(mzXmlFileName);

            var reader = new MzXMLFileAccessor();

            reader.OpenFile(dataFile.FullName);

            for (var iteration = 1; iteration <= 4; iteration++)
            {
                int  maxNumberOfPeaks;
                bool centroidData;

                switch (iteration)
                {
                case 1:
                    maxNumberOfPeaks = 0;
                    centroidData     = false;
                    break;

                case 2:
                    maxNumberOfPeaks = 0;
                    centroidData     = true;
                    break;

                case 3:
                    maxNumberOfPeaks = 50;
                    centroidData     = false;
                    break;

                default:
                    maxNumberOfPeaks = 50;
                    centroidData     = true;
                    break;
                }

                if (iteration == 1)
                {
                    Console.WriteLine("Scan data for {0}", dataFile.Name);
                    Console.WriteLine(
                        "{0,5} {1,-5} {2,-10} {3,-8} {4,-8} {5,-10} {6,-8} {7,-10} {8,-8}  {9}",
                        "Scan", "Max#", "Centroid", "MzCount", "IntCount",
                        "FirstMz", "FirstInt", "MidMz", "MidInt", "ScanFilter");
                }

                if (scanEnd > reader.CachedSpectraScanNumberMaximum)
                {
                    scanEnd = reader.CachedSpectraScanNumberMaximum;
                }

                if (scanStep < 1)
                {
                    scanStep = 1;
                }

                var statsInterval  = (int)Math.Floor((scanEnd - scanStart) / (double)scanStep / 10);
                var scansProcessed = 0;

                for (var scanNumber = scanStart; scanNumber <= scanEnd; scanNumber += scanStep)
                {
                    var validScan = reader.GetSpectrumByScanNumber(scanNumber, out var spectrumInfo);

                    if (!validScan)
                    {
                        Assert.Fail("Invalid scan number: {0}", scanNumber);
                    }

                    var mzList        = spectrumInfo.MzList;
                    var intensityList = spectrumInfo.IntensityList;

                    var unsortedMzValues = 0;

                    for (var i = 0; i < mzList.Count - 1; i++)
                    {
                        if (mzList[i] > mzList[i + 1])
                        {
                            unsortedMzValues++;
                        }
                    }

                    Assert.AreEqual(0, unsortedMzValues, "Scan {0} has {1} m/z values not sorted properly", scanNumber, unsortedMzValues);

                    scansProcessed++;
                    if (scansProcessed % statsInterval == 0)
                    {
                        var scanInfo = GenerateThermoScanFilter(spectrumInfo);

                        if (mzList.Count > 0)
                        {
                            var midIndex = (int)Math.Floor(mzList.Count / 2.0);

                            Console.WriteLine(
                                "{0,5} {1,-5} {2,-10} {3,-8} {4,-8} {5,-10:0.0000} {6,-8:0.0} {7,-10:0.0000} {8,-8:0.0}  {9}",
                                scanNumber, maxNumberOfPeaks, centroidData, mzList.Count, intensityList.Count,
                                mzList[0], intensityList[0], mzList[midIndex], intensityList[midIndex], scanInfo);
                        }
                        else
                        {
                            Console.WriteLine(
                                "{0,5} {1,-5} {2,-10} {3,-8} {4,-8} {5,-10} {6,-8} {7,-10} {8,-8}  {9}",
                                scanNumber, maxNumberOfPeaks, centroidData, mzList.Count, intensityList.Count,
                                "n/a", "n/a", "n/a", "n/a", scanInfo);
                        }
                    }
                }
            }
        }