Exemplo n.º 1
0
 public TargetDecoyGenerator(SrmDocument document, IPeakScoringModel scoringModel, IFeatureScoreProvider scoreProvider, IProgressMonitor progressMonitor)
     : this(scoringModel,
            scoreProvider != null
                ? scoreProvider.GetFeatureScores(document, scoringModel, progressMonitor)
                : document.GetPeakFeatures(scoringModel.PeakFeatureCalculators, progressMonitor))
 {
 }
Exemplo n.º 2
0
 public PeakTransitionGroupFeatureSet GetFeatureScores(SrmDocument document, IPeakScoringModel scoringModel,
                                                       IProgressMonitor progressMonitor)
 {
     if (!ReferenceEquals(document, _document) ||
         !ArrayUtil.EqualsDeep(_cacheCalculators, scoringModel.PeakFeatureCalculators))
     {
         _document            = document;
         _cacheCalculators    = scoringModel.PeakFeatureCalculators;
         _cachedFeatureScores = document.GetPeakFeatures(_cacheCalculators, progressMonitor);
     }
     return(_cachedFeatureScores);
 }
Exemplo n.º 3
0
        public TargetDecoyGenerator(SrmDocument document, IPeakScoringModel scoringModel, IProgressMonitor progressMonitor = null)
        {
            // Determine which calculators will be used to score peaks in this document.
            FeatureCalculators = scoringModel.PeakFeatureCalculators.ToArray();
            _peakTransitionGroupFeaturesList = document.GetPeakFeatures(FeatureCalculators, progressMonitor);
            PopulateDictionary();

            EligibleScores = new bool[FeatureCalculators.Count];
            // Disable calculators that have only a single score value or any unknown scores.
            for (int i = 0; i < FeatureCalculators.Count; i++)
                EligibleScores[i] = IsValidCalculator(i);
        }
Exemplo n.º 4
0
        public TargetDecoyGenerator(SrmDocument document, IPeakScoringModel scoringModel, IProgressMonitor progressMonitor = null)
        {
            // Determine which calculators will be used to score peaks in this document.
            FeatureCalculators = scoringModel.PeakFeatureCalculators.ToArray();
            _peakTransitionGroupFeaturesList = document.GetPeakFeatures(FeatureCalculators, progressMonitor);
            PopulateDictionary();

            EligibleScores = new bool[FeatureCalculators.Count];
            // Disable calculators that have only a single score value or any unknown scores.
            for (int i = 0; i < FeatureCalculators.Count; i++)
            {
                EligibleScores[i] = IsValidCalculator(i);
            }
        }
Exemplo n.º 5
0
 private static IEnumerable <PeakTransitionGroupFeatures> GetPeakFeatures(this SrmDocument document,
                                                                          PeptideGroupDocNode nodePepGroup,
                                                                          PeptideDocNode nodePep,
                                                                          IList <IPeakFeatureCalculator> calcs,
                                                                          IDictionary <int, int> runEnumDict,
                                                                          bool verbose)
 {
     // Get peptide features for each set of comparable groups
     foreach (var nodeGroups in ComparableGroups(nodePep))
     {
         var arrayGroups = nodeGroups.ToArray();
         var labelType   = arrayGroups[0].TransitionGroup.LabelType;
         foreach (var peakFeature in document.GetPeakFeatures(nodePepGroup, nodePep, labelType, arrayGroups, calcs, runEnumDict, verbose))
         {
             yield return(peakFeature);
         }
     }
 }
Exemplo n.º 6
0
        public static PeakTransitionGroupFeatureSet GetPeakFeatures(this SrmDocument document,
                                                                    IList <IPeakFeatureCalculator> calcs,
                                                                    IProgressMonitor progressMonitor = null,
                                                                    bool verbose = false)
        {
            // Get features for each peptide
            int             totalPeptides  = document.MoleculeCount;
            int             currentPeptide = 0;
            IProgressStatus status         = new ProgressStatus(Resources.PeakFeatureEnumerator_GetPeakFeatures_Calculating_peak_group_scores);

            // Set up run ID dictionary
            var runEnumDict   = new Dictionary <int, int>();
            var chromatograms = document.Settings.MeasuredResults.Chromatograms;

            foreach (var fileInfo in chromatograms.SelectMany(c => c.MSDataFileInfos))
            {
                runEnumDict.Add(fileInfo.FileIndex, runEnumDict.Count + 1);
            }

            // Using Parallel.For is quicker, but order needs to be maintained
            var moleculeGroupPairs = document.GetMoleculeGroupPairs();
            var peakFeatureLists   = new PeakTransitionGroupFeatures[moleculeGroupPairs.Length][];
            int peakFeatureCount   = 0;

            ParallelEx.For(0, moleculeGroupPairs.Length, i =>
            {
                var pair         = moleculeGroupPairs[i];
                var nodePepGroup = pair.NodeMoleculeGroup;
                var nodePep      = pair.NodeMolecule;
                if (nodePep.TransitionGroupCount == 0)
                {
                    return;
                }

                // Exclude standard peptides
                if (nodePep.GlobalStandardType != null)
                {
                    return;
                }

                if (progressMonitor != null)
                {
                    if (progressMonitor.IsCanceled)
                    {
                        throw new OperationCanceledException();
                    }

                    int?percentComplete = ProgressStatus.ThreadsafeIncementPercent(ref currentPeptide, totalPeptides);
                    if (percentComplete.HasValue && percentComplete.Value < 100)
                    {
                        progressMonitor.UpdateProgress(status = status.ChangePercentComplete(percentComplete.Value));
                    }
                }

                var peakFeatureList = new List <PeakTransitionGroupFeatures>();
                foreach (var peakFeature in document.GetPeakFeatures(nodePepGroup, nodePep, calcs, runEnumDict, verbose))
                {
                    if (peakFeature.PeakGroupFeatures.Any())
                    {
                        peakFeatureList.Add(peakFeature);
                        Interlocked.Increment(ref peakFeatureCount);
                    }
                }
                peakFeatureLists[i] = peakFeatureList.ToArray();
            });

            var result             = new PeakTransitionGroupFeatures[peakFeatureCount];
            int peakFeatureCurrent = 0;
            int decoyCount         = 0;

            foreach (var peakFeatureList in peakFeatureLists)
            {
                if (peakFeatureList == null)
                {
                    continue;
                }

                foreach (var peakFeature in peakFeatureList)
                {
                    result[peakFeatureCurrent++] = peakFeature;
                    if (peakFeature.IsDecoy)
                    {
                        decoyCount++;
                    }
                }
            }

            if (progressMonitor != null)
            {
                progressMonitor.UpdateProgress(status.ChangePercentComplete(100));
            }
            return(new PeakTransitionGroupFeatureSet(decoyCount, result));
        }