Type-erased track object This class provides a type-erased interface to track proxies without requiring heap allocation per instance.
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using | ConstCovarianceMap = detail_anytrack::ConstCovarianceMap |
| | Const covariance map type.
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using | ConstParametersMap = detail_anytrack::ConstParametersMap |
| | Const parameters map type.
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using | ConstProxyType = AnyTrackProxy<true> |
| | Alias for the const proxy type.
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using | ConstTrackHandle = AnyTrackProxy<true> |
| | Alias for the const version.
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using | ContainerPointer = std::conditional_t<ReadOnly, const void*, void*> |
| | Container pointer type.
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using | CovarianceMap = detail_anytrack::CovarianceMap |
| | Mutable covariance map type.
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| using | HandlerPointer |
| | Handler pointer type.
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using | MutableTrackHandle = AnyTrackProxy<false> |
| | Alias for the mutable version.
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using | ParametersMap = detail_anytrack::ParametersMap |
| | Mutable parameters map type.
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using | IndexType |
| | Index type used for referencing track states.
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| | AnyTrackProxy (const AnyTrackProxy &other)=default |
| | Copy constructor: const to const or mutable to mutable.
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template<TrackProxyConcept track_proxy_t>
requires (ReadOnly || !track_proxy_t::ReadOnly) |
| | AnyTrackProxy (track_proxy_t track) |
| | Construct from a concrete track proxy.
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| double | absoluteMomentum () const |
| | Get the absolute momentum.
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| double | charge () const |
| | Get the charge.
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template<typename T, HashedString key>
requires (!ReadOnly) |
| T & | component () |
| | Get a mutable reference to a dynamic column component.
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| template<typename T, HashedString key> |
| const T & | component () const |
| | Get a const reference to a dynamic column component.
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template<typename T>
requires (!ReadOnly) |
| T & | component (HashedString key) |
| | Get a mutable reference to a dynamic column component.
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| template<typename T> |
| const T & | component (HashedString key) const |
| | Get a const reference to a dynamic column component.
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| CovarianceMap | covariance () |
| | Get the mutable covariance map.
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| ConstCovarianceMap | covariance () const |
| | Get the covariance map.
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| double & | covariance (std::size_t i, std::size_t j) |
| | Get a mutable reference to a covariance element.
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| double | covariance (std::size_t i, std::size_t j) const |
| | Get a covariance matrix element.
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| Vector4 | fourMomentum () const |
| | Get the four-momentum vector: (px, py, pz, e).
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| bool | hasColumn (HashedString key) const |
| | Check if the track has a specific dynamic column.
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| bool | hasReferenceSurface () const |
| | Check if track has a reference surface.
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| TrackIndexType | index () const |
| | Get the index of this track.
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| double | loc0 () const |
| | Access the loc0 parameter of the track at the reference surface.
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| double | loc1 () const |
| | Access the loc1 parameter of the track at the reference surface.
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| unsigned int | nTrackStates () const |
| | Get the number of track states.
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| AnyTrackProxy & | operator= (const AnyTrackProxy &other)=default |
| | Copy assignment operator: const to const or mutable to mutable.
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| double & | parameter (std::size_t i) |
| | Get a mutable reference to a parameter component.
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| double | parameter (std::size_t i) const |
| | Get a parameter value by index.
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| ParametersMap | parameters () |
| | Get the mutable bound parameters map.
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| ConstParametersMap | parameters () const |
| | Get the bound parameters map.
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| ParticleHypothesis | particleHypothesis () const |
| | Get the particle hypothesis.
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| double | phi () const |
| | Access the phi parameter of the track at the reference surface.
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| double | qOverP () const |
| | Access the q/p (curvature) parameter of the track at the reference surface.
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| const Surface & | referenceSurface () const |
| | Get the reference surface.
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| double | theta () const |
| | Access the theta parameter of the track at the reference surface.
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| double | time () const |
| | Access the time parameter of the track at the reference surface.
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| double | transverseMomentum () const |
| | Get the transverse momentum.
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| double | absoluteMomentum () const |
| | Get the absolute momentum.
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| double | charge () const |
| | Get the charge.
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| float | chi2 () const |
| | Return the local chi-squared contribution.
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| Vector3 | direction () const |
| | Get a unit vector along the track direction at the reference surface.
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| Vector4 | fourMomentum () const |
| | Get the four-momentum vector: (px, py, pz, e).
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| bool | isForwardLinked () const |
| | Return whether the track is forward-linked, i.e.
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| double | loc0 () const |
| | Access the loc0 parameter of the track at the reference surface.
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| double | loc1 () const |
| | Access the loc1 parameter of the track at the reference surface.
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| Vector3 | momentum () const |
| | Get the global momentum vector.
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| unsigned int | nDoF () const |
| | Return the number of degrees of freedom.
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| unsigned int | nHoles () const |
| | Return the number of holes on this track.
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| unsigned int | nMeasurements () const |
| | Return the number of measurements assigned to this track.
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| unsigned int | nOutliers () const |
| | Return the number of outliers for this track.
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| unsigned int | nSharedHits () const |
| | Return the number of shared hits for this track.
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| double | phi () const |
| | Access the phi parameter of the track at the reference surface.
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| double | qOverP () const |
| | Access the q/p (curvature) parameter of the track at the reference surface.
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| IndexType | stemIndex () const |
| | Get the stem index, i.e.
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| double | theta () const |
| | Access the theta parameter of the track at the reference surface.
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| double | time () const |
| | Access the time parameter of the track at the reference surface.
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| IndexType | tipIndex () const |
| | Get the tip index, i.e.
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| double | transverseMomentum () const |
| | Get the transverse momentum.
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template<bool read_only = true>
class Acts::AnyTrackProxy< read_only >
Type-erased track object This class provides a type-erased interface to track proxies without requiring heap allocation per instance.
It stores a pointer to the track container and the track index, similar to how TrackProxy works internally.
The object does not take ownership of the container - the container must outlive the object.
- Template Parameters
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| read_only | If true, provides read-only access to the track |
Usage:
AnyMutableTrack AnyTrackProxy(track);
AnyConstTrack constTrack(track);
std::cout << "Chi2: " << AnyTrackProxy.chi2() << std::endl;
Track container interface class.
Definition TrackContainer.hpp:41
ConstTrackProxy getTrack(IndexType itrack) const
Get a const track proxy for a track index.
Definition TrackContainer.hpp:159
1.15.0