KalmanVertexUpdater.hpp File Reference

#include "Acts/Utilities/Result.hpp"
#include "Acts/Vertexing/TrackAtVertex.hpp"
#include "Acts/Vertexing/Vertex.hpp"
#include "KalmanVertexUpdater.ipp"

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Classes
struct	Acts::KalmanVertexUpdater::MatrixCache
	adds or removes track from or updates current vertex Based on R. Frühwirth et al. Vertex reconstruction and track bundling at the lep collider using robust Algorithms Computer Physics Comm.: 96 (1996) 189, chapter 2.1 More...

Namespaces
namespace	Acts
	Acts includes to create all necessary definitions.
namespace	Acts::KalmanVertexUpdater
namespace	Acts::KalmanVertexUpdater::detail

Functions
template<typename input_track_t >
void	Acts::KalmanVertexUpdater::updateVertexWithTrack (Vertex< input_track_t > &vtx, TrackAtVertex< input_track_t > &trk)
	Updates vertex with knowledge of new track.
template<typename input_track_t >
void	Acts::KalmanVertexUpdater::updatePosition (const Acts::Vertex< input_track_t > &vtx, const Acts::LinearizedTrack &linTrack, double trackWeight, int sign, MatrixCache &matrixCache)
	Updates vertex position.
template<typename input_track_t >
double	Acts::KalmanVertexUpdater::detail::vertexPositionChi2 (const Vertex< input_track_t > &oldVtx, const MatrixCache &matrixCache)
	Takes old and new vtx and calculates position chi2.
template<typename input_track_t >
double	Acts::KalmanVertexUpdater::detail::trackParametersChi2 (const LinearizedTrack &linTrack, const MatrixCache &matrixCache)
	Calculates chi2 of refitted track parameters w.r.t. updated vertex.
template<typename input_track_t >
void	Acts::KalmanVertexUpdater::detail::update (Vertex< input_track_t > &vtx, TrackAtVertex< input_track_t > &trk, int sign)
	Adds or removes (depending on sign) tracks from vertex and updates the vertex.