AliGeant4/AliSteppingAction.h

   1 // $Id$
   2 // Category: event
   3 //
   4 // Class for detecting and stopping looping particles
   5 // or particles that reached maximal number of steps.
   6
   7 #ifndef ALI_STEPPING_ACTION_H
   8 #define ALI_STEPPING_ACTION_H
   9
  10 #include "TG4SteppingAction.h"
  11
  12 #include <G4ThreeVector.hh>
  13 #include <globals.hh>
  14
  15 class AliSteppingActionMessenger;
  16
  17 class AliSteppingAction : public TG4SteppingAction
  18 {
  19   enum {
  20     kCheckNofSteps = 100
  21   };
  22
  23   public:
  24     AliSteppingAction();
  25     // protected
  26     // AliSteppingAction(const AliSteppingAction& right);
  27     virtual ~AliSteppingAction();
  28
  29     // methods
  30     virtual void SteppingAction(const G4Step* step);
  31
  32   protected:
  33     AliSteppingAction(const AliSteppingAction& right);
  34
  35     // operators
  36     AliSteppingAction& operator=(const AliSteppingAction& right);
  37
  38   private:
  39     // static data members
  40     static const G4double fgkTolerance; //tolerance used in detecting
  41                                         //of looping particles
  42
  43     // data members
  44     G4ThreeVector  fKeptStepPoint;           //kept step point
  45     AliSteppingActionMessenger*  fMessenger; //messenger
  46 };
  47
  48 #endif //ALI_STEPPING_ACTION_H
  49