Class GainMatrixSmoother

Class Documentation

class Acts::GainMatrixSmoother

Kalman smoother implementation based on Gain matrix formalism.

Template Parameters

  • parameters_t: Type of the track parameters

  • jacobian_t: Type of the Jacobian

Public Functions

template<typename source_link_t>
Result<void> operator()(const GeometryContext&, MultiTrajectory<source_link_t> &trajectory, size_t entryIndex, LoggerWrapper logger = getDummyLogger()) const

Operater for Kalman smoothing.

Return

The smoothed track parameters at the first measurement state

Template Parameters

  • source_link_t: The type of source link

Parameters

  • gctx: The geometry context for the smoothing

  • trajectory: The trajectory to be smoothed

  • entryIndex: The index of state to start the smoothing

  • globalTrackParamsCovPtr: The pointer to global track parameters covariance matrix