Rivet  3.1.2
LeadingParticlesFinalState.hh
1 // -*- C++ -*-
2 #ifndef RIVET_LeadingParticlesFinalState_HH
3 #define RIVET_LeadingParticlesFinalState_HH
4 
5 #include "Rivet/Event.hh"
6 #include "Rivet/Projection.hh"
7 #include "Rivet/Projections/FinalState.hh"
8 
9 namespace Rivet {
10 
11 
14  public:
15 
18  : FinalState(), _leading_only(false)
19  {
20  setName("LeadingParticlesFinalState");
21  declare(fsp, "FS");
22  }
23 
26 
27 
30  _ids.insert(id);
31  return *this;
32  }
33 
36  for (PdgId id : ids) _ids.insert(id);
37  return *this;
38  }
39 
42  _ids.insert(id);
43  _ids.insert(-id);
44  return *this;
45  }
46 
50  void setLeadingOnly(bool leadingonly) {
51  _leading_only = leadingonly;
52  }
53 
54  // /// Check if a particle of a particular ID was found in the current event
55  // bool hasParticleId(const PdgId pid) const;
56 
57  // /// Get a particle of a particular ID (check it exists first)
58  // bool get(const PdgId pid) const;
59 
60 
62  void project(const Event& e);
63 
65  CmpState compare(const Projection& p) const;
66 
67  private:
68 
70  std::set<long>_ids;
71  bool _leading_only;
72 
73  };
74 
75 
76 }
77 
78 #endif
void setName(const std::string &name)
Used by derived classes to set their name.
Definition: Projection.hh:142
Definition: MC_Cent_pPb.hh:10
DEFAULT_RIVET_PROJ_CLONE(LeadingParticlesFinalState)
Clone on the heap.
void project(const Event &e)
Apply the projection on the supplied event.
void setLeadingOnly(bool leadingonly)
Definition: LeadingParticlesFinalState.hh:50
Representation of a HepMC event, and enabler of Projection caching.
Definition: Event.hh:22
LeadingParticlesFinalState & addParticleIdPair(PdgId id)
Add a particle ID to the list of leading particles selected.
Definition: LeadingParticlesFinalState.hh:41
CmpState compare(const Projection &p) const
Compare projections.
Project out all final-state particles in an event. Probably the most important projection in Rivet! ...
Definition: FinalState.hh:12
const PROJ & declare(const PROJ &proj, const std::string &name)
Register a contained projection (user-facing version)
Definition: ProjectionApplier.hh:170
Get the highest-pT occurrences of FS particles with the specified PDG IDs.
Definition: LeadingParticlesFinalState.hh:13
LeadingParticlesFinalState & addParticleId(PdgId id)
Add a particle ID to the list of leading particles selected.
Definition: LeadingParticlesFinalState.hh:29
Base class for all Rivet projections.
Definition: Projection.hh:29
LeadingParticlesFinalState(const FinalState &fsp)
Constructor: the supplied FinalState projection is assumed to live through the run.
Definition: LeadingParticlesFinalState.hh:17
LeadingParticlesFinalState & addParticleIds(vector< PdgId > ids)
Add a particle ID to the list of leading particles selected.
Definition: LeadingParticlesFinalState.hh:35