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#include <RecoMuon/CosmicMuonProducer/interface/CosmicMuonUtilities.h>
Public Member Functions | |
| CosmicMuonUtilities () | |
| std::string | print (const ConstRecHitContainer &) const |
| std::string | print (const MuonRecHitContainer &) const |
| std::string | print (const ConstMuonRecHitContainer &) const |
| void | reverseDirection (TrajectoryStateOnSurface &, const MagneticField *) const |
| TrajectoryStateOnSurface | stepPropagate (const TrajectoryStateOnSurface &, const ConstRecHitPointer &, const Propagator &) const |
| virtual | ~CosmicMuonUtilities () |
Definition at line 29 of file CosmicMuonUtilities.h.
| CosmicMuonUtilities::CosmicMuonUtilities | ( | ) |
| CosmicMuonUtilities::~CosmicMuonUtilities | ( | ) | [virtual] |
| std::string CosmicMuonUtilities::print | ( | const ConstRecHitContainer & | ) | const |
| std::string CosmicMuonUtilities::print | ( | const MuonRecHitContainer & | ) | const |
| std::string CosmicMuonUtilities::print | ( | const ConstMuonRecHitContainer & | ) | const |
| void CosmicMuonUtilities::reverseDirection | ( | TrajectoryStateOnSurface & | tsos, | |
| const MagneticField * | mgfield | |||
| ) | const |
Definition at line 31 of file CosmicMuonUtilities.cc.
References TrajectoryStateOnSurface::cartesianError(), TrajectoryStateOnSurface::charge(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), and TrajectoryStateOnSurface::surface().
Referenced by CosmicMuonTrajectoryBuilder::estimateDirection(), CosmicMuonTrajectoryBuilder::flipTrajectory(), and CosmicMuonSmoother::initialState().
00031 { 00032 00033 GlobalTrajectoryParameters gtp(tsos.globalPosition(), 00034 -tsos.globalMomentum(), 00035 -tsos.charge(), 00036 mgfield); 00037 TrajectoryStateOnSurface newTsos(gtp, tsos.cartesianError(), tsos.surface()); 00038 tsos = newTsos; 00039 return; 00040 00041 }
| TrajectoryStateOnSurface CosmicMuonUtilities::stepPropagate | ( | const TrajectoryStateOnSurface & | tsos, | |
| const ConstRecHitPointer & | hit, | |||
| const Propagator & | prop | |||
| ) | const |
Definition at line 87 of file CosmicMuonUtilities.cc.
References cmsTiming_parser::dest, lat::endl(), TrajectoryStateOnSurface::globalPosition(), TrajectoryStateOnSurface::isValid(), LogTrace, PV3DBase< T, PVType, FrameType >::mag(), Propagator::propagate(), rot, steps, Vector3DBase< T, FrameTag >::unit(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().
Referenced by CosmicMuonSmoother::fit(), and CosmicMuonSmoother::smooth().
00089 { 00090 00091 const std::string metname = "Muon|RecoMuon|CosmicMuonUtilities"; 00092 00093 GlobalPoint start = tsos.globalPosition(); 00094 GlobalPoint dest = hit->globalPosition(); 00095 GlobalVector StepVector = dest - start; 00096 GlobalVector UnitStepVector = StepVector.unit(); 00097 GlobalPoint GP =start; 00098 TrajectoryStateOnSurface currTsos(tsos); 00099 TrajectoryStateOnSurface predTsos; 00100 float totalDis = StepVector.mag(); 00101 LogTrace(metname)<<"stepPropagate: propagate from: "<<start<<" to "<<dest; 00102 LogTrace(metname)<<"stepPropagate: their distance: "<<totalDis; 00103 00104 int steps = 3; // need to optimize 00105 00106 float oneStep = totalDis/steps; 00107 Basic3DVector<float> Basic3DV(StepVector.x(),StepVector.y(),StepVector.z()); 00108 for ( int istep = 0 ; istep < steps - 1 ; istep++) { 00109 GP += oneStep*UnitStepVector; 00110 Surface::PositionType pos(GP.x(),GP.y(),GP.z()); 00111 LogTrace(metname)<<"stepPropagate: a middle plane: "<<pos<<endl; 00112 Surface::RotationType rot( Basic3DV , float(0)); 00113 PlaneBuilder::ReturnType SteppingPlane = PlaneBuilder().plane(pos,rot); 00114 TrajectoryStateOnSurface predTsos = prop.propagate(currTsos, *SteppingPlane); 00115 if (predTsos.isValid()) { 00116 currTsos=predTsos; 00117 LogTrace(metname)<<"stepPropagate: middle state "<< currTsos.globalPosition()<<endl; 00118 } 00119 } 00120 00121 predTsos = prop.propagate(currTsos, hit->det()->surface()); 00122 00123 return predTsos; 00124 }
1.5.4