Template Class FullBilloirVertexFitter¶
Defined in File FullBilloirVertexFitter.hpp
Nested Relationships¶
Nested Types¶
Class Documentation¶
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template<typename
input_track_t
, typenamelinearizer_t
>
classActs
::
FullBilloirVertexFitter
¶ Vertex fitter class implementing the Billoir vertex fitter.
This class implements the Billoir vertex fitter:
Fast vertex fitting with a local parametrization of tracks Author(s) Billoir, P ; Qian, S In: Nucl. Instrum. Methods Phys. Res., A 311 (1992) 139-150 DOI 10.1016/0168-9002(92)90859-3
- Template Parameters
input_track_t
: Track object typelinearizer_t
: Track linearizer type
Public Types
-
using
InputTrack_t
= input_track_t¶
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using
Linearizer_t
= linearizer_t¶
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using
Propagator_t
= typename linearizer_t::Propagator_t¶
Public Functions
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template<typename
T
= input_track_t, std::enable_if_t<std::is_same<T, BoundTrackParameters>::value, int> = 0>FullBilloirVertexFitter
(const Config &cfg)¶ Constructor used if input_track_t type == BoundTrackParameters.
- Parameters
cfg
: Configuration object
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FullBilloirVertexFitter
(const Config &cfg, std::function<BoundTrackParameters(input_track_t)> func)¶ Constructor for user-defined input_track_t type =! BoundTrackParameters.
- Parameters
cfg
: Configuration objectfunc
: Function extracting BoundTrackParameters from input_track_t object
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Result<Vertex<input_track_t>>
fit
(const std::vector<const input_track_t*> ¶mVector, const linearizer_t &linearizer, const VertexingOptions<input_track_t> &vertexingOptions, State &state) const¶ Fit method, fitting vertex for provided tracks with constraint.
- Return
Fitted vertex
- Parameters
paramVector
: Vector of track objects to fit vertex tolinearizer
: The track linearizervertexingOptions
: Vertexing optionsstate
: The state object
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struct
State
¶ Public Functions
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State
(MagneticFieldProvider::Cache fieldCache)¶ The state constructor.
- Parameters
mctx
: The magnetic field context
Public Members
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Linearizer_t::State
linearizerState
¶ The linearizer state.
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