Algorithm for fitting tracks through a single RP. More...

#include <TotemRPLocalTrackFitterAlgorithm.h>

Classes
struct	RPDetCoordinateAlgebraObjs

Public Member Functions
bool	fitTrack (const edm::DetSetVector< TotemRPRecHit > &hits, double z_0, const TotemRPGeometry &tot_geom, TotemRPLocalTrack &fitted_track)
	performs the track fit, returns true if successful More...

void	reset ()
	Resets the reconstruction-data cache. More...

	TotemRPLocalTrackFitterAlgorithm (const edm::ParameterSet &conf)

Private Member Functions
RPDetCoordinateAlgebraObjs *	getDetAlgebraData (unsigned int det_id, const TotemRPGeometry &tot_rp_geom)

void	multiplyByDiagonalInPlace (TMatrixD &mt, const TVectorD &diag)
	A matrix multiplication shorthand. More...

RPDetCoordinateAlgebraObjs	prepareReconstAlgebraData (unsigned int det_id, const TotemRPGeometry &tot_rp_geom)
	Build the reconstruction data. More...

Static Private Member Functions
static TVector3	convert3vector (const CLHEP::Hep3Vector &v)

Private Attributes
std::unordered_map< unsigned int, RPDetCoordinateAlgebraObjs >	det_data_map_
	A cache of reconstruction data. Must be reset every time the geometry chagnges. More...

RPTopology	rp_topology_

Detailed Description

Algorithm for fitting tracks through a single RP.

Definition at line 32 of file TotemRPLocalTrackFitterAlgorithm.h.

Constructor & Destructor Documentation

TotemRPLocalTrackFitterAlgorithm::TotemRPLocalTrackFitterAlgorithm ( const edm::ParameterSet & conf )

Definition at line 23 of file TotemRPLocalTrackFitterAlgorithm.cc.

Member Function Documentation

static TVector3 TotemRPLocalTrackFitterAlgorithm::convert3vector ( const CLHEP::Hep3Vector & v )

inlinestaticprivate

Definition at line 67 of file TotemRPLocalTrackFitterAlgorithm.h.

     {
       return TVector3(v.x(),v.y(),v.z()) ;
     }

bool TotemRPLocalTrackFitterAlgorithm::fitTrack	(	const edm::DetSetVector< TotemRPRecHit > &	hits,
		double	z_0,
		const TotemRPGeometry &	tot_geom,
		TotemRPLocalTrack &	fitted_track
	)

performs the track fit, returns true if successful

Definition at line 79 of file TotemRPLocalTrackFitterAlgorithm.cc.

Referenced by TotemRPLocalTrackFitter::produce().

TotemRPLocalTrackFitterAlgorithm::RPDetCoordinateAlgebraObjs * TotemRPLocalTrackFitterAlgorithm::getDetAlgebraData	(	unsigned int	det_id,
		const TotemRPGeometry &	tot_rp_geom
	)

private

Returns the reconstruction data for the chosen detector from the cache DetReconstructionDataMap. If it is not yet in the cache, calls PrepareReconstAlgebraData to make it.

Definition at line 65 of file TotemRPLocalTrackFitterAlgorithm.cc.

void TotemRPLocalTrackFitterAlgorithm::multiplyByDiagonalInPlace	(	TMatrixD &	mt,
		const TVectorD &	diag
	)

private

A matrix multiplication shorthand.

Definition at line 187 of file TotemRPLocalTrackFitterAlgorithm.cc.

TotemRPLocalTrackFitterAlgorithm::RPDetCoordinateAlgebraObjs TotemRPLocalTrackFitterAlgorithm::prepareReconstAlgebraData	(	unsigned int	det_id,
		const TotemRPGeometry &	tot_rp_geom
	)