include/Geant4/G4VErrorLimitProcess.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 //
0027 //
0028 //
0029 // Class description:
0030 //
0031 // Base class for classes limiting the step.
0032
0033 // History:
0034 //
0035 // Created:     P.Arce          May 2007
0036 // --------------------------------------------------------------------
0037
0038 #ifndef G4VErrorLimitProcess_hh
0039 #define G4VErrorLimitProcess_hh
0040
0041 #include "G4ios.hh"
0042 #include "globals.hh"
0043 #include "G4VDiscreteProcess.hh"
0044 #include "G4PhysicsTable.hh"
0045 #include "G4PhysicsLogVector.hh"
0046 #include "G4ElementTable.hh"
0047 #include "G4Gamma.hh"
0048 #include "G4Electron.hh"
0049 #include "G4Step.hh"
0050
0051 class G4ErrorLimitsMessenger;
0052
0053 //-----------------------------------------------------------------
0054
0055 class G4VErrorLimitProcess : public G4VDiscreteProcess
0056 {
0057  public:  // with description
0058   G4VErrorLimitProcess(const G4String& processName);
0059
0060   ~G4VErrorLimitProcess();
0061
0062   virtual G4double PostStepGetPhysicalInteractionLength(
0063     const G4Track& track, G4double previousStepSize,
0064     G4ForceCondition* condition) = 0;
0065   // Returns the step limit
0066
0067   virtual G4double GetMeanFreePath(const class G4Track&, G4double,
0068                                    enum G4ForceCondition*);
0069   // Returns kInfinity
0070
0071   virtual G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);
0072   // No action but retrieving the G4VParticleChange
0073   // extracted from the G4Track
0074
0075   // Get and Set methods
0076
0077   G4double GetStepLimit() const { return theStepLimit; }
0078   void SetStepLimit(G4double val) { theStepLimit = val; }
0079
0080  protected:
0081   G4double theStepLimit;   // limit set by the user
0082   G4double theStepLength;  // step length extracted from the user step limit,
0083                            // with the algorithms of each concrete class
0084
0085   G4VParticleChange theParticleChange;
0086 };
0087
0088 #endif