Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/geometry/navigation/include/G4VExternalNavigation.hh

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 25 //
 26 // G4VExternalNavigation
 27 //
 28 // Class description:
 29 //
 30 // Pure virtual class to be specialised by the user for tracking with
 31 // an external navigation
 32 
 33 // Authors: V.Vlachoudis, G.Cosmo - CERN, 2019
 34 // --------------------------------------------------------------------
 35 #ifndef G4VEXTERNALNAVIGATION_HH
 36 #define G4VEXTERNALNAVIGATION_HH
 37 
 38 #include "G4LogicalVolume.hh"
 39 #include "G4NavigationHistory.hh"
 40 #include "G4ThreeVector.hh"
 41 #include "G4VNavigation.hh"
 42 #include "G4VPhysicalVolume.hh"
 43 #include "G4VSolid.hh"
 44 
 45 class G4VExternalNavigation : public G4VNavigation
 46 {
 47   public:  // with description
 48 
 49     G4VExternalNavigation();
 50       // Constructor
 51    
 52     ~G4VExternalNavigation() override;
 53       // Destructor
 54 
 55     virtual G4VExternalNavigation* Clone() = 0;
 56 
 57     // Optional methods - may be necessary under particular circumstances
 58 
 59     virtual EInside Inside( const G4VSolid*      solid,
 60                             const G4ThreeVector& position,
 61                             const G4ThreeVector& direction );
 62      // Special 'Inside' call that includes direction of next motion
 63      //   provided for potential optimisations.
 64 
 65     void RelocateWithinVolume( G4VPhysicalVolume*  motherPhysical,
 66                                const G4ThreeVector& localPoint ) override;
 67      //   Update any relevant internal state to take account that
 68      //      - the location has been moved to 'localPoint'
 69      //      - it remains in the current (mother) physical volume 'motherPhysical'
 70 };
 71 
 72 #endif
 73