Belle II Software  release-08-01-10
TruthSegmentVarSet.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 namespace Belle2 {
18  namespace TrackFindingCDC {
19  class CDCSegment2D;
20 
22  constexpr
23  static char const* const truthSegmentVarNames[] = {
24  "segment_is_fake_truth",
25  "track_is_already_found_truth",
26  "segment_is_new_track_truth",
27  "truth",
28  };
29 
31  struct TruthSegmentVarNames : public VarNames<CDCSegment2D> {
32 
34  // we shouldn't use public member variables but we do want to rewrite all related code using setters/getters
35  // at least tell cppcheck that everything is fine
36  // cppcheck-suppress duplInheritedMember
37  static const size_t nVars = size(truthSegmentVarNames);
38 
40  static constexpr char const* getName(int iName)
41  {
42  return truthSegmentVarNames[iName];
43  }
44  };
45 
50  class TruthSegmentVarSet : public VarSet<TruthSegmentVarNames> {
51 
52  private:
55 
56  public:
58  void initialize() final;
59 
61  void beginEvent() final;
62 
64  bool extract(const CDCSegment2D* segment) override;
65  };
66  }
68 }
A reconstructed sequence of two dimensional hits in one super layer.
Definition: CDCSegment2D.h:39
Class to compute floating point variables from a segment which can be recorded as a flat TNtuple or s...
void initialize() final
Require the Monte Carlo truth information at initialisation.
bool extract(const CDCSegment2D *segment) override
Generate and assign the contained variables.
void beginEvent() final
Prepare the Monte Carlo truth information at start of the event.
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.