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LCFIVertex
0.7.2
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Spatial point on a Track. More...
#include <trackstate.h>
Public Member Functions | |
| ~TrackState () | |
| Destructor. | |
| TrackState (Track *Track) | |
| Construct from a given track. More... | |
| TrackState (const HelixRep &init, const double &cha, const SymMatrix5x5 &cov, Track *tra) | |
| Construct from track parameters. More... | |
| void | resetToRef () |
| Reset the track to distance swum = 0. | |
| void | swimDistance (const double s) |
| Swim the track a fixed distance. | |
| void | swimToStateNearest (const Vector3 &Point) |
| Swim to the point of closest approach to Point. | |
| void | swimToStateNearest (TrackState *const TrackToSwimTo) |
| Swim to the point of closest approach to another TrackState. | |
| void | swimToStateNearestXY (const Vector3 &Point) |
| Swim to the point of closest approach in the XY plane to Point. | |
| bool | sameTrack (TrackState *const Track) const |
| Is this the same track as another TrackState? | |
| bool | sameTrack (Track *const Track) const |
| Is this the same track as Track? | |
| double | distanceTo (const Vector3 &Point) const |
| Distance from the TrackStates current position to Point. | |
| double | distanceTo2 (const Vector3 &Point) const |
| Distance squared from the TrackStates current position to Point. | |
| double | xyDistanceTo (const Vector3 &Point) const |
| Distance in the XY plane from the TrackStates current position to Point. | |
| double | chi2 (const Vector3 &Point) |
| Calculate this tracks minimum chi squared to Point. | |
| double | chi2_nomove (const Vector3 &Point) |
| Calculate this tracks chi squared to Point at the TrackStates current position. | |
| const Vector3 & | position () const |
| Current position of the trackstate. | |
| double | phi () const |
| Current phi of the trackstate. | |
| double | charge () const |
| Charge. | |
| bool | isNeutral () const |
| Is this track neutral. | |
| bool | isCharged () const |
| Is this track charged. | |
| const SymMatrix2x2 & | positionCovarMatrix () const |
| Current position covariance matrix of the trackstate (d0,z0) | |
| const SymMatrix2x2 & | inversePositionCovarMatrix () const |
| Current inverse position covariance matrix of the trackstate (d0,z0) | |
| const Matrix3x3 | vertexErrorContribution (Vector3 point) const |
| The error contribution of this trackstate to a vertex at point. | |
| const SymMatrix3x3 & | positionCovarMatrixXYZ () const |
| Current position covariance matrix of the trackstate (x,y,z) | |
| const SymMatrix3x3 & | inversePositionCovarMatrixXYZ () const |
| Current inverse position covariance matrix of the trackstate (x,y,z) | |
| Track * | parentTrack () const |
| The Track that this TrackState belongs to, (if any) | |
| void | debugOut () |
| Print some info to std::cout. | |
| ~TrackState () | |
| Destructor. | |
| TrackState (Track *Track) | |
| Construct from a given track. More... | |
| TrackState (const HelixRep &init, const double &cha, const SymMatrix5x5 &cov, Track *tra) | |
| Construct from track parameters. More... | |
| void | resetToRef () |
| Reset the track to distance swum = 0. | |
| void | swimDistance (const double s) |
| Swim the track a fixed distance. | |
| void | swimToStateNearest (const Vector3 &Point) |
| Swim to the point of closest approach to Point. | |
| void | swimToStateNearest (TrackState *const TrackToSwimTo) |
| Swim to the point of closest approach to another TrackState. | |
| void | swimToStateNearestXY (const Vector3 &Point) |
| Swim to the point of closest approach in the XY plane to Point. | |
| bool | sameTrack (TrackState *const Track) const |
| Is this the same track as another TrackState? | |
| bool | sameTrack (Track *const Track) const |
| Is this the same track as Track? | |
| double | distanceTo (const Vector3 &Point) const |
| Distance from the TrackStates current position to Point. | |
| double | distanceTo2 (const Vector3 &Point) const |
| Distance squared from the TrackStates current position to Point. | |
| double | xyDistanceTo (const Vector3 &Point) const |
| Distance in the XY plane from the TrackStates current position to Point. | |
| double | chi2 (const Vector3 &Point) |
| Calculate this tracks minimum chi squared to Point. | |
| double | chi2_nomove (const Vector3 &Point) |
| Calculate this tracks chi squared to Point at the TrackStates current position. | |
| const Vector3 & | position () const |
| Current position of the trackstate. | |
| double | phi () const |
| Current phi of the trackstate. | |
| double | charge () const |
| Charge. | |
| bool | isNeutral () const |
| Is this track neutral. | |
| bool | isCharged () const |
| Is this track charged. | |
| const SymMatrix2x2 & | positionCovarMatrix () const |
| Current position covariance matrix of the trackstate (d0,z0) | |
| const SymMatrix2x2 & | inversePositionCovarMatrix () const |
| Current inverse position covariance matrix of the trackstate (d0,z0) | |
| const Matrix3x3 | vertexErrorContribution (Vector3 point) const |
| The error contribution of this trackstate to a vertex at point. | |
| const SymMatrix3x3 & | positionCovarMatrixXYZ () const |
| Current position covariance matrix of the trackstate (x,y,z) | |
| const SymMatrix3x3 & | inversePositionCovarMatrixXYZ () const |
| Current inverse position covariance matrix of the trackstate (x,y,z) | |
| Track * | parentTrack () const |
| The Track that this TrackState belongs to, (if any) | |
| void | debugOut () |
| Print some info to std::cout. | |
Spatial point on a Track.
Tracks in detector space have one Track object, but many TrackState objects.
TrackState objects define a point in space on the track, movement along the path of the track is performed by the swimming methods of TrackState. For details of the parameterisation see Track
Definition at line 25 of file include/vertex_lcfi/inc/trackstate.h.
| vertex_lcfi::TrackState::TrackState | ( | Track * | Track | ) |
Construct from a given track.
Constructs a track state with parameters from the given Track, inital position distance swum=0 (usually the perigee to the ref point)
Definition at line 17 of file trackstate.cpp.
References resetToRef().
| vertex_lcfi::TrackState::TrackState | ( | const HelixRep & | init, |
| const double & | cha, | ||
| const SymMatrix5x5 & | cov, | ||
| Track * | tra | ||
| ) |
Construct from track parameters.
Constructs a track state given parameters, with inital position distance swum=0 (usually the perigee to the ref point)
Definition at line 30 of file trackstate.cpp.
| vertex_lcfi::TrackState::TrackState | ( | Track * | Track | ) |
Construct from a given track.
Constructs a track state with parameters from the given Track, inital position distance swum=0 (usually the perigee to the ref point)
| vertex_lcfi::TrackState::TrackState | ( | const HelixRep & | init, |
| const double & | cha, | ||
| const SymMatrix5x5 & | cov, | ||
| Track * | tra | ||
| ) |
Construct from track parameters.
Constructs a track state given parameters, with inital position distance swum=0 (usually the perigee to the ref point)
1.8.6