include/edm4hep/TrackState.h

0001 // AUTOMATICALLY GENERATED FILE - DO NOT EDIT
0002
0003 #ifndef EDM4HEP_TrackState_H
0004 #define EDM4HEP_TrackState_H
0005
0006 #include "edm4hep/CovMatrix6f.h"
0007 #include "edm4hep/Vector3f.h"
0008 #include <edm4hep/Constants.h>
0009 #include <cstdint>
0010 #include <ostream>
0011
0012 #if defined(PODIO_JSON_OUTPUT) && !defined(__CLING__)
0013 #include "nlohmann/json_fwd.hpp"
0014 #endif
0015
0016 namespace edm4hep {
0017
0018 /** @class TrackState
0019  *  Parametrized description of a particle track
0020  *  @author:
0021  */
0022 class TrackState {
0023 public:
0024   std::int32_t location{}; ///< for use with At{Other|IP|FirstHit|LastHit|Calorimeter|Vertex}|LastLocation
0025   float D0{}; ///< transverse impact parameter
0026   float phi{}; ///< azimuthal angle
0027   float omega{};
0028   float Z0{}; ///< longitudinal impact parameter
0029   float tanLambda{}; ///< lambda is the dip angle of the track in r-z
0030   float time{}; ///< time of the track at this trackstate [ns]
0031   ::edm4hep::Vector3f referencePoint{}; ///< Reference point of the track parameters, e.g. the origin at the IP, or the position  of the first/last hits or the entry point into the calorimeter [mm]
0032   ::edm4hep::CovMatrix6f covMatrix{}; ///< covariance matrix of the track parameters.
0033
0034  static const int AtOther = 0 ; // any location other than the ones defined below
0035  static const int AtIP = 1 ;
0036  static const int AtFirstHit = 2 ;
0037  static const int AtLastHit = 3 ;
0038  static const int AtCalorimeter = 4 ;
0039  static const int AtVertex = 5 ;
0040  static const int LastLocation = AtVertex  ;
0041
0042 /// Get the covariance matrix value for the two passed parameters
0043  constexpr float getCovMatrix(edm4hep::TrackParams parI, edm4hep::TrackParams parJ) const { return covMatrix.getValue(parI, parJ); }
0044  /// Set the covariance matrix value for the two passed parameters
0045  constexpr void setCovMatrix(float value, edm4hep::TrackParams parI, edm4hep::TrackParams parJ) { covMatrix.setValue(value, parI, parJ); }
0046
0047 };
0048
0049 std::ostream& operator<<(std::ostream& o, const edm4hep::TrackState& value);
0050
0051 #if defined(PODIO_JSON_OUTPUT) && !defined(__CLING__)
0052 void to_json(nlohmann::json& j, const TrackState& value);
0053 #endif
0054
0055 } // namespace edm4hep
0056
0057
0058 #endif