Belle II Software  release-08-01-10
HitGapSegmentRelationVarSet.h
1 /**************************************************************************
2  * basf2 (Belle II Analysis Software Framework) *
3  * Author: The Belle II Collaboration *
4  * *
5  * See git log for contributors and copyright holders. *
6  * This file is licensed under LGPL-3.0, see LICENSE.md. *
7  **************************************************************************/
8 #pragma once
9 
10 #include <tracking/trackFindingCDC/varsets/VarSet.h>
11 #include <tracking/trackFindingCDC/varsets/VarNames.h>
12 
13 #include <tracking/trackFindingCDC/utilities/Relation.h>
14 
15 namespace Belle2 {
20  namespace TrackFindingCDC {
21  class CDCSegment2D;
22 
24  constexpr
25  static char const* const hitGapSegmentRelationVarNames[] = {
26  "delta_hit_pos_phi",
27  "delta_hit_mom_phi",
28  "delta_hit_alpha",
29 
30  "hit_distance",
31  "hit_long_distance",
32  "delta_hit_distance",
33 
34  "from_hit_forward",
35  "to_hit_forward",
36  "hit_forward",
37  "hit_ptolemy",
38  };
39 
41  struct HitGapSegmentRelationVarNames : public VarNames<Relation<const CDCSegment2D> > {
42 
44  // we shouldn't use public member variables but we do want to rewrite all related code using setters/getters
45  // at least tell cppcheck that everything is fine
46  // cppcheck-suppress duplInheritedMember
47  static const size_t nVars = size(hitGapSegmentRelationVarNames);
48 
50  static constexpr char const* getName(int iName)
51  {
52  return hitGapSegmentRelationVarNames[iName];
53  }
54  };
55 
60  class HitGapSegmentRelationVarSet : public VarSet<HitGapSegmentRelationVarNames> {
61 
62  public:
64  bool extract(const Relation<const CDCSegment2D>* ptrSegmentRelation) override;
65  };
66  }
68 }
Class to compute floating point variables from a segment relation which can be recorded as a flat TNt...
bool extract(const Relation< const CDCSegment2D > *ptrSegmentRelation) override
Generate and assign the contained variables.
Type for two related objects.
Definition: Relation.h:21
Class that specifies the names of the variables.
Definition: VarNames.h:21
Generic class that generates some named float values from a given object.
Definition: VarSet.h:36
Abstract base class for different kinds of events.
Vehicle class to transport the variable names.
static const size_t nVars
Number of variables to be generated.
static constexpr char const * getName(int iName)
Getter for the name at the given index.