Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/error_propagation/include/G4VErrorLimitProcess.hh

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  1 //
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 25 //
 26 //
 27 //
 28 //
 29 // Class description:
 30 //
 31 // Base class for classes limiting the step.
 32 
 33 // History:
 34 //
 35 // Created:     P.Arce          May 2007
 36 // --------------------------------------------------------------------
 37 
 38 #ifndef G4VErrorLimitProcess_hh
 39 #define G4VErrorLimitProcess_hh
 40 
 41 #include "G4ios.hh"
 42 #include "globals.hh"
 43 #include "G4VDiscreteProcess.hh"
 44 #include "G4PhysicsTable.hh"
 45 #include "G4PhysicsLogVector.hh"
 46 #include "G4ElementTable.hh"
 47 #include "G4Gamma.hh"
 48 #include "G4Electron.hh"
 49 #include "G4Step.hh"
 50 
 51 class G4ErrorLimitsMessenger;
 52 
 53 //-----------------------------------------------------------------
 54 
 55 class G4VErrorLimitProcess : public G4VDiscreteProcess
 56 {
 57  public:  // with description
 58   G4VErrorLimitProcess(const G4String& processName);
 59 
 60   ~G4VErrorLimitProcess();
 61 
 62   virtual G4double PostStepGetPhysicalInteractionLength(
 63     const G4Track& track, G4double previousStepSize,
 64     G4ForceCondition* condition) = 0;
 65   // Returns the step limit
 66 
 67   virtual G4double GetMeanFreePath(const class G4Track&, G4double,
 68                                    enum G4ForceCondition*);
 69   // Returns kInfinity
 70 
 71   virtual G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);
 72   // No action but retrieving the G4VParticleChange
 73   // extracted from the G4Track
 74 
 75   // Get and Set methods
 76 
 77   G4double GetStepLimit() const { return theStepLimit; }
 78   void SetStepLimit(G4double val) { theStepLimit = val; }
 79 
 80  protected:
 81   G4double theStepLimit;   // limit set by the user
 82   G4double theStepLength;  // step length extracted from the user step limit,
 83                            // with the algorithms of each concrete class
 84 
 85   G4VParticleChange theParticleChange;
 86 };
 87 
 88 #endif
 89