/// <summary>
/// Finds the XIC based on the m/z and scan parameters.
/// </summary>
/// <param name="mz"></param>
/// <param name="scan"></param>
/// <returns></returns>
public List <XYData> FindXic(double mz, int scan, bool shouldSmooth)
{
LcmsFeatureTarget target = new LcmsFeatureTarget();
target.ID = 0;
target.MZ = mz;
target.ScanLCTarget = scan;
target.ElutionTimeUnit = Globals.ElutionTimeUnit.ScanNum;
m_run.CurrentMassTag = target;
var result = m_run.ResultCollection.GetTargetedResult(m_run.CurrentMassTag);
double chromPeakGeneratorTolInPPM = MzPpmWindow;
Globals.ChromatogramGeneratorMode chromGeneratorMode = Globals.ChromatogramGeneratorMode.MZ_BASED;
var chromGen = new PeakChromatogramGenerator(chromPeakGeneratorTolInPPM,
chromGeneratorMode);
chromGen.NETWindowWidthForNonAlignedData = Convert.ToSingle(NetWindow);
int pointsToSmooth = 5;
var chromSmoother = new SavitzkyGolaySmoother(pointsToSmooth, 2);
double chromPeakDetectorPeakBR = 1;
double chromPeakDetectorSigNoise = 1;
var chromPeakDetector = new ChromPeakDetector(chromPeakDetectorPeakBR,
chromPeakDetectorSigNoise);
ChromPeakSelectorParameters chromPeakSelectorParameters = new ChromPeakSelectorParameters();
var chromPeakSelector = new BasicChromPeakSelector(chromPeakSelectorParameters);
//this generates an extracted ion chromatogram
// Since we are not using the built in generator,
chromGen.Execute(m_run.ResultCollection);
//this smooths the data - very important step!
if (shouldSmooth)
{
chromSmoother.Execute(m_run.ResultCollection);
}
//this detects peaks within an extracted ion chromatogram
chromPeakDetector.Execute(m_run.ResultCollection);
//this selects the peak
chromPeakSelector.Parameters.PeakSelectorMode = Globals.PeakSelectorMode.ClosestToTarget;
chromPeakSelector.Execute(m_run.ResultCollection);
//Here's the chromatogram data...
List <XYData> data = new List <XYData>();
for (int i = 0; i < m_run.XYData.Xvalues.Length; i++)
{
XYData datum = new XYData(m_run.XYData.Xvalues[i], m_run.XYData.Yvalues[i]);
data.Add(datum);
}
return(data);
}
public PeakChromatogramGenerator(double tolerance, Globals.ChromatogramGeneratorMode chromMode,
Globals.IsotopicProfileType isotopicProfileTarget, Globals.ToleranceUnit toleranceUnit = Globals.ToleranceUnit.PPM)
{
Tolerance = tolerance;
ChromatogramGeneratorMode = chromMode;
IsotopicProfileTarget = isotopicProfileTarget;
TopNPeaksLowerCutOff = 0.3;
ChromWindowWidthForNonAlignedData = 0.4f;
ChromWindowWidthForAlignedData = 0.1f;
ToleranceUnit = toleranceUnit;
_chromGen = new ChromatogramGenerator();
}
public PeakChromatogramGenerator(double tolerance, Globals.ChromatogramGeneratorMode chromMode)
: this(tolerance, chromMode, Globals.IsotopicProfileType.UNLABELED)
{
}
