Represents a single track.
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#include <Track.hh>
List of all members.
Public Types |
| enum | Origin { ORIGIN,
BEAM_SPOT,
PRIMARY_VERTEX,
TRACK_VERTEX
} |
| enum | TrackAuthor {
INSIDE_OUT = 0,
BACK_TRACKING = 4,
TRT_STANDALONE = 20,
LOW_PT = 36,
VERY_LOW_PT = 38,
BAD_AUTHOR = 9999
} |
Public Member Functions |
| | Track () |
| | Default constructor.
|
| double | eta () const |
| | The pseudorapidity of this track.
|
| double | theta () const |
| | The angle \theta of this track w.r.t the primary vertex.
|
| double | theta (Origin org) const |
| double | phi () const |
| | The azimuthal angle \phi of this track w.r.t the primary vertex.
|
| double | phi (Origin org) const |
| double | ET () const |
| | The ET of a track is returned as the PT.
|
| double | PT () const |
| | The PT of this track.
|
| double | E () const |
| | The energy of this track.
|
| double | px () const |
| | x component of momentum
|
| double | py () const |
| | y compontent of momentum
|
| double | pz () const |
| | z component of momentum
|
| double | px (Origin org) const |
| | x component of momentum w.r.t a given origin
|
| double | py (Origin org) const |
| | y compontent of momentum w.r.t a given origin
|
| double | pz (Origin org) const |
| | z component of momentum w.r.t a given origin
|
| double | d0 (Origin org) const |
| | The perigee of this track w.r.t a given origin.
|
| double | z0 (Origin org) const |
| | The min z distance of this track from a given origin.
|
| double | chi2 () const |
| | The chi^2 of the fit for this track.
|
| int | DOF () const |
| | The number of degrees of freedom for the fit to this track.
|
| double | chi2_DOF () const |
| | The chi^2 per degree of freedom for this track.
|
| double | fitProbability () const |
| | The fit probability for this track assuming a Normal distribution for the chi^2.
|
| int | nPix () const |
| | The number of pixel hits along this track.
|
| int | nSCT () const |
| | The number of SCT hits along this track.
|
| int | nTRT () const |
| | The number of TRT hits along this track.
|
| bool | expectBLayer () const |
| | Is this track expected to create a b layer hit?
|
| int | nBLayer () const |
| | Number of b layer hits created by this track.
|
| TrackAuthor | author () const |
| | The algorithm that reconstructed this track.
|
| bool | isMC () const |
| | Does this track come from MC or data. Returns true if MC.
|
| int | id () const |
| VertexVector | associatedVertices () const |
| | List of vertices to which this track is associated.
|
Friends |
| class | DataConverter |
| std::ostream & | operator<< (std::ostream &out, const Track &trk) |
| void | Event::matchVerticesToTracks () const |
Detailed Description
Represents a single track.
Definition at line 21 of file Track.hh.
Member Enumeration Documentation
Possible origins of the coordinate system used for d0, z0, theta etc... ORIGIN : The detector co-ordinate system origin BEAM_SPOT : The beam spot position PRIMARY_VERTEX : The position of the primary vertex TRACK_VERTEX : The vertex that this track is associated with
By default all quantities returned by a track will be w.r.t the primary vertex
- Enumerator:
| ORIGIN |
|
| BEAM_SPOT |
|
| PRIMARY_VERTEX |
|
| TRACK_VERTEX |
|
Definition at line 34 of file Track.hh.
Possible track authors from 15.5.7.5 onwards. Taken from track seed finder
- Enumerator:
| INSIDE_OUT |
|
| BACK_TRACKING |
|
| TRT_STANDALONE |
|
| LOW_PT |
|
| VERY_LOW_PT |
|
| BAD_AUTHOR |
|
Definition at line 38 of file Track.hh.
Constructor & Destructor Documentation
Default constructor.
Definition at line 10 of file Track.cxx.
Member Function Documentation
| VertexVector ForIA::Track::associatedVertices |
( |
) |
const |
List of vertices to which this track is associated.
Definition at line 272 of file Track.cxx.
The algorithm that reconstructed this track.
Definition at line 257 of file Track.cxx.
| double ForIA::Track::chi2 |
( |
) |
const |
The chi^2 of the fit for this track.
Definition at line 193 of file Track.cxx.
| double ForIA::Track::chi2_DOF |
( |
) |
const |
The chi^2 per degree of freedom for this track.
Definition at line 208 of file Track.cxx.
| double ForIA::Track::d0 |
( |
Origin |
org ) |
const |
The perigee of this track w.r.t a given origin.
Definition at line 145 of file Track.cxx.
| int ForIA::Track::DOF |
( |
) |
const |
The number of degrees of freedom for the fit to this track.
Definition at line 203 of file Track.cxx.
| double ForIA::Track::E |
( |
) |
const [virtual] |
| double ForIA::Track::ET |
( |
) |
const [virtual] |
| double ForIA::Track::eta |
( |
) |
const [virtual] |
| bool ForIA::Track::expectBLayer |
( |
) |
const |
Is this track expected to create a b layer hit?
Definition at line 247 of file Track.cxx.
| double ForIA::Track::fitProbability |
( |
) |
const |
The fit probability for this track assuming a Normal distribution for the chi^2.
Definition at line 216 of file Track.cxx.
| int ForIA::Track::id |
( |
) |
const |
Unique ID with which to identify this track in the event The eact value of this ID *may* depend on the data format
Definition at line 267 of file Track.cxx.
| bool ForIA::Track::isMC |
( |
) |
const |
Does this track come from MC or data. Returns true if MC.
Definition at line 262 of file Track.cxx.
| int ForIA::Track::nBLayer |
( |
) |
const |
Number of b layer hits created by this track.
Definition at line 252 of file Track.cxx.
| int ForIA::Track::nPix |
( |
) |
const |
The number of pixel hits along this track.
Definition at line 232 of file Track.cxx.
| int ForIA::Track::nSCT |
( |
) |
const |
The number of SCT hits along this track.
Definition at line 237 of file Track.cxx.
| int ForIA::Track::nTRT |
( |
) |
const |
The number of TRT hits along this track.
Definition at line 242 of file Track.cxx.
| double ForIA::Track::phi |
( |
) |
const [virtual] |
| double ForIA::Track::phi |
( |
Origin |
org ) |
const |
The azimuthal angle \phi of this track w.r.t a given origin (primary vtx, beam spot or detector origin)
Definition at line 62 of file Track.cxx.
| double ForIA::Track::PT |
( |
) |
const [virtual] |
| double ForIA::Track::px |
( |
Origin |
org ) |
const |
x component of momentum w.r.t a given origin
Definition at line 110 of file Track.cxx.
| double ForIA::Track::px |
( |
) |
const [virtual] |
| double ForIA::Track::py |
( |
) |
const [virtual] |
| double ForIA::Track::py |
( |
Origin |
org ) |
const |
y compontent of momentum w.r.t a given origin
Definition at line 115 of file Track.cxx.
| double ForIA::Track::pz |
( |
) |
const [virtual] |
| double ForIA::Track::pz |
( |
Origin |
org ) |
const |
z component of momentum w.r.t a given origin
Definition at line 120 of file Track.cxx.
| double ForIA::Track::theta |
( |
Origin |
org ) |
const |
The angle \theta of this track w.r.t a given origin (primary vtx, beam spot or detector origin)
Definition at line 23 of file Track.cxx.
| double ForIA::Track::theta |
( |
) |
const [virtual] |
| double ForIA::Track::z0 |
( |
Origin |
org ) |
const |
The min z distance of this track from a given origin.
Definition at line 169 of file Track.cxx.
Friends And Related Function Documentation
| void Event::matchVerticesToTracks |
( |
) |
const [friend] |
| std::ostream& operator<< |
( |
std::ostream & |
out, |
|
|
const Track & |
trk |
|
) |
| [friend] |
The documentation for this class was generated from the following files:
