Acts::KalmanVertexTrackUpdater Namespace Reference

Namespaces
namespace	detail

Functions
template<typename input_track_t >
void	update (const GeometryContext &gctx, TrackAtVertex< input_track_t > &track, const Vertex< input_track_t > &vtx)
	Refits a single track with the knowledge of the vertex it has originated from.

Function Documentation

template<typename input_track_t >

void Acts::KalmanVertexTrackUpdater::update	(	const GeometryContext &	gctx,
		TrackAtVertex< input_track_t > &	track,
		const Vertex< input_track_t > &	vtx
	)

Refits a single track with the knowledge of the vertex it has originated from.

KalmanVertexTrackUpdater

Parameters

gctx	The Geometry Context
track	Track to update
vtx	Vertex track belongs to

Definition at line 15 of file KalmanVertexTrackUpdater.ipp.

View newest version in sPHENIX GitHub at line 15 of file KalmanVertexTrackUpdater.ipp

References Acts::TrackAtVertex< input_track_t >::chi2Track, Acts::KalmanVertexTrackUpdater::detail::createFullTrackCovariance(), Acts::detail::ensureThetaBounds(), Acts::ePHI, Acts::eQOP, Acts::eTHETA, Acts::TrackAtVertex< input_track_t >::fittedParams, Acts::Vertex< input_track_t >::fullCovariance(), Acts::Vertex< input_track_t >::fullPosition(), Acts::TrackAtVertex< input_track_t >::linearizedState, Acts::TrackAtVertex< input_track_t >::ndf, Acts::KalmanVertexUpdater::MatrixCache::newVertexPos, Acts::KalmanVertexUpdater::MatrixCache::newVertexWeight, position, and Acts::TrackAtVertex< input_track_t >::trackWeight.

Referenced by PHGenFit::Track::updateOneMeasurementKalman(), and PHGenFit2::Track::updateOneMeasurementKalman().

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