File indexing completed on 2024-04-06 12:29:09
0001 #include "RecoVertex/KalmanVertexFit/interface/KalmanVertexFitter.h"
0002 #include "RecoVertex/KalmanVertexFit/interface/KalmanVertexUpdator.h"
0003 #include "RecoVertex/VertexTools/interface/SequentialVertexSmoother.h"
0004 #include "RecoVertex/VertexTools/interface/DummyVertexSmoother.h"
0005 #include "RecoVertex/KalmanVertexFit/interface/KalmanVertexTrackUpdator.h"
0006 #include "RecoVertex/KalmanVertexFit/interface/KalmanSmoothedVertexChi2Estimator.h"
0007 #include "RecoVertex/KalmanVertexFit/interface/KalmanTrackToTrackCovCalculator.h"
0008 #include "RecoVertex/LinearizationPointFinders/interface/FsmwLinearizationPointFinder.h"
0009
0010 KalmanVertexFitter::KalmanVertexFitter(bool useSmoothing) {
0011 edm::ParameterSet pSet = defaultParameters();
0012 setup(pSet, useSmoothing);
0013 }
0014
0015 KalmanVertexFitter::KalmanVertexFitter(const edm::ParameterSet& pSet, bool useSmoothing) { setup(pSet, useSmoothing); }
0016
0017 void KalmanVertexFitter::setup(const edm::ParameterSet& pSet, bool useSmoothing) {
0018 if (useSmoothing) {
0019 KalmanVertexTrackUpdator<5> vtu;
0020 KalmanSmoothedVertexChi2Estimator<5> vse;
0021 KalmanTrackToTrackCovCalculator<5> covCalc;
0022 SequentialVertexSmoother<5> smoother(vtu, vse, covCalc);
0023 theSequentialFitter = new SequentialVertexFitter<5>(pSet,
0024 FsmwLinearizationPointFinder(20, -2., 0.4, 10.),
0025 KalmanVertexUpdator<5>(),
0026 smoother,
0027 LinearizedTrackStateFactory());
0028 } else {
0029 DummyVertexSmoother<5> smoother;
0030 theSequentialFitter = new SequentialVertexFitter<5>(pSet,
0031 FsmwLinearizationPointFinder(20, -2., 0.4, 10.),
0032 KalmanVertexUpdator<5>(),
0033 smoother,
0034 LinearizedTrackStateFactory());
0035 }
0036 }
0037
0038 edm::ParameterSet KalmanVertexFitter::defaultParameters() const {
0039 edm::ParameterSet pSet;
0040 pSet.addParameter<double>("maxDistance", 0.01);
0041 pSet.addParameter<int>("maxNbrOfIterations", 10);
0042 return pSet;
0043 }
