JetAlgorithms/interface/QjetsPlugin.h

0001 #ifndef RecoJets_JetAlgorithms_QJETSPLUGIN_h
0002 #define RecoJets_JetAlgorithms_QJETSPLUGIN_h
0003 #include "fastjet/JetDefinition.hh"
0004 #include "fastjet/PseudoJet.hh"
0005 #include "fastjet/ClusterSequence.hh"
0006 #include "RecoJets/JetAlgorithms/interface/Qjets.h"
0007
0008 class QjetsPlugin : public fastjet::JetDefinition::Plugin {
0009 private:
0010   bool _rand_seed_set;
0011   unsigned int _seed;
0012   int _truncated_length;
0013   double _zcut, _dcut_fctr, _exp_min, _exp_max, _rigidity, _truncation_fctr;
0014   CLHEP::HepRandomEngine* _rnEngine;
0015
0016 public:
0017   QjetsPlugin(
0018       double zcut, double dcut_fctr, double exp_min, double exp_max, double rigidity, double truncation_fctr = 0.)
0019       : _rand_seed_set(false),
0020         _zcut(zcut),
0021         _dcut_fctr(dcut_fctr),
0022         _exp_min(exp_min),
0023         _exp_max(exp_max),
0024         _rigidity(rigidity),
0025         _truncation_fctr(truncation_fctr),
0026         _rnEngine(nullptr) {}
0027   void SetRandSeed(unsigned int seed); /* In case you want reproducible behavior */
0028   void SetRNEngine(CLHEP::HepRandomEngine* rnEngine) { _rnEngine = rnEngine; };
0029   double R() const override;
0030   std::string description() const override;
0031   void run_clustering(fastjet::ClusterSequence& cs) const override;
0032 };
0033 #endif