ParamDefs.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/

// ParamDefs.h, (c) ATLAS Detector software
 
#ifndef TRKEVENTPRIMITIVES_PARAMDEFS_H
#define TRKEVENTPRIMITIVES_PARAMDEFS_H
 
#include <array>
#include <string>
 
namespace Trk {

 
enum ParamDefs {
  // Enums for LocalParameters - LocalPosition/
  loc1 = 0,
  loc2 = 1, 
 
  locX = 0,
  locY = 1, 
 
  locRPhi = 0,
  locPhiR = 0,
  locZ = 1, 
 
  locR = 0,
  locPhi = 1, 
 
  iPhi = 0,
  iEta = 1, 
 
  distPhi = 0,
  distEta = 1,     
 
  driftRadius = 0, 
                   // Enums for const Amg::Vector3D & GlobalMomentum /
  x = 0,
  y = 1,
  z = 2, 
 
  px = 0,
  py = 1,
  pz = 2, 
          // Enums for PerigParamDefsee //
  d0 = 0,
  z0 = 1,
  phi0 = 2,
  theta = 3,
  qOverP = 4, 
              /* Enums for TrackState on Surfaces
               The first two enums in the TrackParameters refer to the local Frame, i.e.
                - LocalCartesian for AtanArbitraryPlane
                - LocalCylindrical for AtaCylinder (includes line)
                - LocalPolar for AtaDisc
                The other three enums are standard \f$(\phi, \eta, \frac{q}{p_{T}})\f$
               */
  phi = 2,
  u = 0,
  v = 1,

  trkMass = 5
}; 

struct ParamDefsAccessor {
  static constexpr std::array<ParamDefs, 6> pardef = {
      Trk::loc1, Trk::loc2, Trk::phi, Trk::theta, Trk::qOverP, Trk::trkMass};
};
 
 } // namespace Trk
 
#endif // TRKEVENTPRIMITIVES_PARAMDEFS_H