Belle II Software  release-05-01-25
HitGapTrackRelationVarSet.h
1 /**************************************************************************
2  * BASF2 (Belle Analysis Framework 2) *
3  * Copyright(C) 2016 - Belle II Collaboration *
4  * *
5  * Author: The Belle II Collaboration *
6  * Contributors: Oliver Frost *
7  * *
8  * This software is provided "as is" without any warranty. *
9  **************************************************************************/
10 #pragma once
11 
12 #include <tracking/trackFindingCDC/varsets/VarSet.h>
13 #include <tracking/trackFindingCDC/varsets/VarNames.h>
14 
15 #include <tracking/trackFindingCDC/utilities/Relation.h>
16 
17 namespace Belle2 {
22  namespace TrackFindingCDC {
23  class CDCTrack;
24 
26  constexpr
27  static char const* const hitGapTrackRelationVarNames[] = {
28  "delta_hit_pos_phi",
29  "delta_hit_mom_phi",
30  "delta_hit_alpha",
31 
32  "delta_hit_z",
33  "hit_distance",
34  "hit_long_distance",
35  "delta_hit_distance",
36 
37  "from_hit_forward",
38  "to_hit_forward",
39  "hit_forward",
40  "hit_ptolemy",
41  };
42 
44  struct HitGapTrackRelationVarNames : public VarNames<Relation<const CDCTrack> > {
45 
47  static const size_t nVars = size(hitGapTrackRelationVarNames);
48 
50  static constexpr char const* getName(int iName)
51  {
52  return hitGapTrackRelationVarNames[iName];
53  }
54  };
55 
60  class HitGapTrackRelationVarSet : public VarSet<HitGapTrackRelationVarNames> {
61 
62  public:
64  bool extract(const Relation<const CDCTrack>* ptrTrackRelation) final;
65  };
66  }
68 }
Belle2::TrackFindingCDC::HitGapTrackRelationVarSet
Class to compute floating point variables from a track relation which can be recorded as a flat TNtup...
Definition: HitGapTrackRelationVarSet.h:68
Belle2::TrackFindingCDC::Relation
Type for two related objects.
Definition: CDCSegment2D.h:37
Belle2
Abstract base class for different kinds of events.
Definition: MillepedeAlgorithm.h:19
Belle2::TrackFindingCDC::HitGapTrackRelationVarSet::extract
bool extract(const Relation< const CDCTrack > *ptrTrackRelation) final
Generate and assign the contained variables.
Definition: HitGapTrackRelationVarSet.cc:19
Belle2::TrackFindingCDC::HitGapTrackRelationVarNames::nVars
static const size_t nVars
Number of variables to be generated.
Definition: HitGapTrackRelationVarSet.h:55
Belle2::TrackFindingCDC::VarSet
Generic class that generates some named float values from a given object.
Definition: VarSet.h:46
Belle2::TrackFindingCDC::HitGapTrackRelationVarNames::getName
static constexpr char const * getName(int iName)
Getter for the name at the given index.
Definition: HitGapTrackRelationVarSet.h:58