private List <LcMsPeakCluster> MergeFeatures(LcMsPeakMatrix featureFinder, List <LcMsPeakCluster> features)
{
//foreach (var f in _featureList) f.ActivateAllPeaks();
var featureSet = new NodeSet <LcMsPeakCluster>();
featureSet.AddRange(features);
var connectedFeatureSet = featureSet.ConnnectedComponents(_mergeComparer);
var mergedFeatures = new List <LcMsPeakCluster>();
foreach (var fSet in connectedFeatureSet)
{
if (fSet.Count == 1)
{
mergedFeatures.Add(fSet[0]);
}
else
{
var maxScan = fSet.Max(f => f.MaxScanNum);
var minScan = fSet.Min(f => f.MinScanNum);
var maxCharge = fSet.Max(f => f.MaxCharge);
var minCharge = fSet.Min(f => f.MinCharge);
var maxScore = double.MinValue;//fSet.Max(f => f.Score);
LcMsPeakCluster maxScoredClusterOriginal = null;
LcMsPeakCluster maxScoredCluster = null;
foreach (var f in fSet)
{
var newFeature = featureFinder.GetLcMsPeakCluster(f.RepresentativeMass, minCharge, maxCharge, minScan, maxScan);
if (newFeature != null && (maxScoredCluster == null || newFeature.Score > maxScoredCluster.Score))
{
maxScoredCluster = newFeature;
}
if (f.Score > maxScore)
{
maxScoredClusterOriginal = f;
maxScore = f.Score;
}
}
var feature = featureFinder.GetLcMsPeakCluster(fSet.Select(f => f.Mass).Mean(), minCharge, maxCharge, minScan, maxScan);
if (feature != null && (maxScoredCluster == null || feature.Score > maxScoredCluster.Score))
{
maxScoredCluster = feature;
}
//Console.WriteLine("------------- Merge -----------------");
//foreach (var f in fSet) Console.WriteLine("*\t{0}\t{1}\t{2}\t{3}", f.RepresentativeMass, f.MinScanNum, f.MaxScanNum, f.Score);
//Console.WriteLine("**\t{0}\t{1}\t{2}\t{3}", maxScoredCluster.RepresentativeMass, maxScoredCluster.MinScanNum, maxScoredCluster.MaxScanNum, maxScoredCluster.Score);
if (maxScoredCluster == null)
{
maxScoredCluster = maxScoredClusterOriginal;
}
if (maxScoredCluster.Score < maxScore)
{
maxScoredCluster.Score = maxScore;
}
mergedFeatures.Add(maxScoredCluster);
}
//if (selectedFeature != null) postFilteredSet.Add(selectedFeature);
}
//return postFilteredSet.OrderBy(f => f.RepresentativeMass);
return(mergedFeatures);
}