Par04/include/Par04DefineMeshModel.hh

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