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RawClusterUtility.h
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1 // $Id: $
2 
11 #ifndef CALOBASE_RAWCLUSTERUTILITY_H
12 #define CALOBASE_RAWCLUSTERUTILITY_H
13 
14 #include "RawCluster.h"
15 
17 
22 {
23  public:
24  virtual ~RawClusterUtility() {}
25 
26  //
28  static inline float
29  GetPolarAngle(const RawCluster& cluster, const CLHEP::Hep3Vector vertex) { return (cluster.get_position() - vertex).getTheta(); }
30  //
32  static inline float
33  GetAzimuthAngle(const RawCluster& cluster, const CLHEP::Hep3Vector vertex) { return (cluster.get_position() - vertex).getPhi(); }
34  //
36  static inline float
37  GetPseudorapidity(const RawCluster& cluster, const CLHEP::Hep3Vector vertex) { return (cluster.get_position() - vertex).pseudoRapidity(); }
38  //
40  static inline float
41  GetET(const RawCluster& cluster, const CLHEP::Hep3Vector vertex)
42  {
43  const CLHEP::Hep3Vector cluster_vec(cluster.get_position() - vertex);
44  const double mag = cluster_vec.mag();
45 
46  return mag > 0 ? cluster_vec.perp() / cluster_vec.mag() * cluster.get_energy() : 0;
47  }
48  //
50  static inline float
51  GetETCore(const RawCluster& cluster, const CLHEP::Hep3Vector vertex)
52  {
53  const CLHEP::Hep3Vector cluster_vec(cluster.get_position() - vertex);
54 
55  return cluster_vec.perp() / cluster_vec.mag() * cluster.get_ecore();
56  }
57  //
59  static inline CLHEP::Hep3Vector GetEVec(const RawCluster& cluster, const CLHEP::Hep3Vector vertex) { return (cluster.get_position() - vertex).unit() * cluster.get_energy(); }
61  static inline CLHEP::Hep3Vector GetECoreVec(const RawCluster& cluster, const CLHEP::Hep3Vector vertex) { return (cluster.get_position() - vertex).unit() * cluster.get_ecore(); }
62 
63  private:
66 };
67 
68 #endif