public void MassPartitionTest(string databasePath,
            int chargeState,
            double massTolerance,
            double netTolerance,
            double driftTolerance)
        {
            var database = new UmcAdoDAO();
            database.DatabasePath = databasePath;

            Logger.PrintMessage(string.Format("Extracting Features"), true);
            var data = database.FindByCharge(chargeState);

            // Make sure there is no null UMC data in the input list.
            var nullIndex = data.FindIndex(delegate(UMCLight x) { return x == null; });
            if (nullIndex > 0)
            {
                throw new NullReferenceException("The feature at index " + nullIndex +
                                                 " was null.  Cannot process this data.");
            }

            // The first thing we do is to sort the features based on mass since we know that has the least variability in the data across runs.
            data.Sort(m_massComparer);

            // This is the index of first feature of a given mass partition.
            var startUMCIndex = 0;
            var totalFeatures = data.Count;
            var tenPercent = Convert.ToInt32(totalFeatures*.1);
            var singletons = 0;
            var sizes = new List<int>();
            var times = new List<double>();

            for (var i = 0; i < totalFeatures - 1; i++)
            {
                // Here we compute the ppm mass difference between consecutive features (based on mass).
                // This will determine if we cluster a block of data or not.
                var umcX = data[i];
                var umcY = data[i + 1];
                var ppm =
                    Math.Abs(FeatureLight.ComputeMassPPMDifference(umcX.MassMonoisotopicAligned,
                        umcY.MassMonoisotopicAligned));

                // If the difference is greater than the tolerance then we cluster
                //  - we dont check the sign of the ppm because the data should be sorted based on mass.
                if (ppm > massTolerance)
                {
                    // If start UMC Index is equal to one, then that means the feature at startUMCIndex
                    // could not find any other features near it within the mass tolerance specified.
                    if (startUMCIndex == i)
                    {
                        singletons++;
                    }
                    else
                    {
                        var starttime = DateTime.Now;
                        var distances = CalculatePairwiseDistances(data,
                            startUMCIndex,
                            i,
                            massTolerance,
                            netTolerance,
                            driftTolerance);
                        var endTime = DateTime.Now;
                        sizes.Add(i - startUMCIndex + 1);
                        times.Add(endTime.Subtract(starttime).TotalMilliseconds);
                    }
                    startUMCIndex = i + 1;
                }
            }

            var xxx = 0;
            xxx++;
            if (xxx > 1)
            {
                sizes.Add(0);
            }
            Console.WriteLine("{0}", singletons);
            Console.WriteLine();

            for (var i = 0; i < sizes.Count; i++)
            {
                Console.WriteLine("{0}\t{1}", sizes[i], times[i]);
            }
        }
示例#2
0
        /// <summary>
        /// The main entry point for the application.
        /// </summary>        
        static int Main(string [] args)
        {
            var handle = System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle;
            SetConsoleMode(handle, ENABLE_EXTENDED_FLAGS);

            try
            {
                if (args.Length < 2)
                {
                    Console.WriteLine(@"MultiAlignChargeStateProcessor databasePath chargeState crossTabPath [dataset List]");
                    Console.WriteLine(@"\tThe cross-tab file will be placed in the same directory as the database path");
                    return 1;
                }

                // Setup the analysis processing
                var databasePath = args[0];
                var databaseName = Path.GetFileNameWithoutExtension(databasePath);
                var path         = Path.GetDirectoryName(databasePath);
                var crossPath = args[2];
                var chargeState     = Convert.ToInt32(args[1]);

                List<string> datasetList = null;
                if (args.Length == 4)
                {
                    datasetList = File.ReadAllLines(args[3]).ToList();
                }

                if (path == null)
                {
                    Console.WriteLine(@"The directory path is invalid");
                    return 1;
                }

                NHibernateUtil.ConnectToDatabase(databasePath, false);

                IDatasetDAO datasetCache = new DatasetDAOHibernate();
                var dateSuffix        = AnalysisPathUtils.BuildDateSuffix();
                Logger.LogPath           = Path.Combine(path, string.Format("{0}_charge_{2}_{1}.txt", databaseName, dateSuffix, chargeState));

                Logger.PrintMessage("Find all datasets", true);
                var datasets = datasetCache.FindAll();
                Logger.PrintMessage(string.Format("Found {0} datasets", datasets.Count), true);

                // Create the clustering algorithm - average linkage
                IClusterer<UMCLight, UMCClusterLight> clusterer = new UMCAverageLinkageClusterer<UMCLight, UMCClusterLight>();

                // Create the DAO object to extract the features
                var database      = new UmcAdoDAO {DatabasePath = databasePath};
                IUmcDAO featureDao = database;

                Logger.PrintMessage(string.Format("Extracting Features"), true);
                var tempFeatures = featureDao.FindByCharge(chargeState);
                Logger.PrintMessage(string.Format("Found {0} features", tempFeatures.Count), true);

                var features = new List<UMCLight>();
                if (datasetList != null)
                {
                    var featuremap = datasets.ToDictionary(info => info.DatasetName.ToLower());

                    var focusedDatasetList = new Dictionary<int, DatasetInformation>();
                    foreach (var name in datasetList)
                    {
                        var key = name.ToLower();
                        if (featuremap.ContainsKey(key))
                        {
                            Logger.PrintMessage("Using dataset: " + name);
                            focusedDatasetList.Add(featuremap[key].DatasetId, featuremap[key]);
                        }
                        else
                            throw new Exception("Didn't find the dataset required..." + name);
                    }

                    features.AddRange(from feature in tempFeatures let use = focusedDatasetList.ContainsKey(feature.GroupId) where use select feature);

                    Logger.PrintMessage(string.Format("Found {0} filtered features for dataset list", features.Count), true);
                }
                else
                {
                    features = tempFeatures;
                }

                // Handle logging progress.
                clusterer.Progress      += clusterer_Progress;
                clusterer.Parameters.Tolerances.DriftTime           = .3;
                clusterer.Parameters.Tolerances.Mass                = 16;
                clusterer.Parameters.Tolerances.Net       = .014;
                clusterer.Parameters.OnlyClusterSameChargeStates    = true;
                clusterer.Parameters.CentroidRepresentation         = ClusterCentroidRepresentation.Mean;
                clusterer.Parameters.DistanceFunction               = PNNLOmics.Algorithms.Distance.DistanceFactory<UMCLight>.CreateDistanceFunction(PNNLOmics.Algorithms.Distance.DistanceMetric.WeightedEuclidean);

                // Then cluster
                var clusterWriter = new UmcClusterWriter();
                IClusterWriter<UMCClusterLight> writer = clusterWriter; //new UMCClusterDummyWriter();
                try
                {
                    clusterWriter.Open(crossPath);
                    clusterWriter.WriteHeader(datasets);

                    clusterer.ClusterAndProcess(features, writer);
                    Logger.PrintMessage("", true);
                    Logger.PrintMessage("ANALYSIS SUCCESS", true);
                    return 0;
                }
                catch (Exception ex)
                {
                    Logger.PrintMessage("Unhandled Error: " + ex.Message);
                    var innerEx = ex.InnerException;
                    while (innerEx != null)
                    {
                        Logger.PrintMessage("Inner Exception: " + innerEx.Message);
                        innerEx = innerEx.InnerException;
                    }
                    Logger.PrintMessage("Stack: " + ex.StackTrace);
                    Logger.PrintMessage("");
                    Logger.PrintMessage("ANALYSIS FAILED");
                    return 1;
                }
                finally
                {
                    clusterWriter.Close();
                }
            }
            catch (Exception ex)
            {
                Logger.PrintMessage("Unhandled Error: " + ex.Message, true);
                var innerEx = ex.InnerException;
                while (innerEx != null)
                {
                    Logger.PrintMessage("Inner Exception: " + innerEx.Message);
                    innerEx = innerEx.InnerException;
                }
                Logger.PrintMessage("Stack: " + ex.StackTrace, true);
                Logger.PrintMessage("");
                Logger.PrintMessage("ANALYSIS FAILED");
                return 1;
            }
        }