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File indexing completed on 2021-09-23 22:53:23

0001 #include "RecoTracker/TkMSParametrization/interface/MultipleScatteringParametrisationMaker.h"
0002 
0003 #include "MSLayersKeeper.h"
0004 #include "MSLayersKeeperX0AtEta.h"
0005 #include "MSLayersKeeperX0Averaged.h"
0006 #include "MSLayersKeeperX0DetLayer.h"
0007 #include "MSLayersAtAngle.h"
0008 
0009 struct MultipleScatteringParametrisationMaker::Keepers {
0010   Keepers(GeometricSearchTracker const& tracker, MagneticField const& bfield)
0011       : x0AtEta(tracker, bfield), x0Averaged(tracker, bfield), keepers{&x0DetLayer, &x0AtEta, &x0Averaged} {}
0012 
0013   MSLayersKeeperX0DetLayer x0DetLayer;
0014   MSLayersKeeperX0AtEta x0AtEta;
0015   MSLayersKeeperX0Averaged x0Averaged;
0016   MSLayersKeeper* keepers[3];  // {&x0DetLayer,&x0AtEta,&x0Averaged};
0017 };
0018 
0019 MultipleScatteringParametrisationMaker::MultipleScatteringParametrisationMaker(GeometricSearchTracker const& tracker,
0020                                                                                MagneticField const& bfield)
0021     : impl_(std::make_unique<Keepers>(tracker, bfield)) {}
0022 
0023 MultipleScatteringParametrisationMaker::~MultipleScatteringParametrisationMaker() = default;
0024 
0025 MultipleScatteringParametrisation MultipleScatteringParametrisationMaker::parametrisation(const DetLayer* layer,
0026                                                                                           X0Source x0Source) const {
0027   return MultipleScatteringParametrisation(layer, impl_->keepers[static_cast<int>(x0Source)]);
0028 }