Par04/include/Par04DefineMeshModel.hh

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0025 //
0026 /// \file Par04DefineMeshModel.hh
0027 /// \brief Definition of the Par04DefineMeshModel class
0028
0029 #ifndef PAR04DEFINEMESHMODEL_HH
0030 #define PAR04DEFINEMESHMODEL_HH
0031
0032 #include "G4VFastSimulationModel.hh"  // for G4VFastSimulationModel
0033
0034 #include <G4String.hh>  // for G4String
0035 #include <G4Types.hh>  // for G4bool
0036 class G4FastStep;
0037 class G4FastTrack;
0038 class G4ParticleDefinition;
0039 class G4Region;
0040
0041 /**
0042  * @brief Defince mesh for energy scoring
0043  *
0044  * Fast simulation model is used in order to define where particle enters the detector
0045  * and its direction. That data is used to define the mesh used for energy scoring.
0046  * TODO To make the simulation faster, this model could be attached to a very thin layer at the
0047  * entrance to the calorimeter instead of attaching it to the volume of the detector.
0048  *
0049  */
0050
0051 class Par04DefineMeshModel : public G4VFastSimulationModel
0052 {
0053   public:
0054     Par04DefineMeshModel(G4String, G4Region*);
0055     Par04DefineMeshModel(G4String);
0056     ~Par04DefineMeshModel();
0057
0058     /// Check if particle is entering the volume. Check particle energy. It must be
0059     /// no smaller than 99% of the primary particle energy. This is to ensure that in case of
0060     /// prior interactions, particle energy does not differ (much) from the assumed
0061     ///  energy.
0062     virtual G4bool ModelTrigger(const G4FastTrack&) final;
0063     /// Model is applicable to all particles.
0064     virtual G4bool IsApplicable(const G4ParticleDefinition&) final;
0065     /// Check particle direction, entrance point, and store it in event information.
0066     /// Then go back to the full simulation.
0067     virtual void DoIt(const G4FastTrack&, G4FastStep&) final;
0068 };
0069 #endif /* PAR04DEFINEMESHMODEL_HH */