MedicalBeam.hh

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// ====================================================================
//   MedicalBeam.hh
//
//                                         2005 Q
// ====================================================================
#ifndef MEDICAL_BEAM_H
#define MEDICAL_BEAM_H

#include "globals.hh"
#include "G4ThreeVector.hh"
#include "G4VUserPrimaryGeneratorAction.hh"

class G4ParticleDefinition;

// ====================================================================
//
// class definition
//
// ====================================================================
class MedicalBeam : public G4VUserPrimaryGeneratorAction {
public:
  enum FieldShape{ SQUARE=0, CIRCLE };

protected:
  G4ParticleDefinition* particle;
  G4double kineticE;
  G4ThreeVector sourcePosition;
  
  G4double SSD; // (SSD= Source Skin Depth)
  FieldShape fieldShape;
  G4double fieldXY[2];
  G4double fieldR;

  // local methods...
  G4ThreeVector GenerateBeamDirection() const;

public:
  MedicalBeam();
  ~MedicalBeam();

  // set/get functions...
  void SetParticleDefinition(G4ParticleDefinition* pd);
  const G4ParticleDefinition* GetParticleDefinition() const;

  void SetKineticE(G4double e);
  G4double GetKineticE() const;

  void SetSourcePosition(const G4ThreeVector& pos);
  G4ThreeVector GetSourcePosition() const;

  void SetFieldShape(FieldShape shape);
  FieldShape GetFieldShape() const;

  void SetSSD(G4double ssd);
  G4double GetSSD() const;

  void SetFieldXY(G4double fx, G4double fy);
  G4double GetFieldX() const;
  G4double GetFieldY() const;
  
  void SetFieldR(G4double r);
  G4double GetFieldR() const;

  // methods...
  virtual void GeneratePrimaries(G4Event* anEvent);

};

// ====================================================================
//   inline functions
// ====================================================================
inline void MedicalBeam::SetParticleDefinition(G4ParticleDefinition* pd)
{ particle= pd; }

inline const G4ParticleDefinition* MedicalBeam::GetParticleDefinition() const
{ return particle; }

inline void MedicalBeam::SetKineticE(G4double e)
{ kineticE= e; }

inline G4double MedicalBeam::GetKineticE() const
{ return kineticE; }

inline void MedicalBeam::SetSourcePosition(const G4ThreeVector& pos)
{ sourcePosition= pos; }

inline G4ThreeVector MedicalBeam::GetSourcePosition() const
{ return sourcePosition; }

inline void MedicalBeam::SetFieldShape(MedicalBeam::FieldShape shape)
{ fieldShape= shape; }

inline MedicalBeam::FieldShape MedicalBeam::GetFieldShape() const
{ return fieldShape; }

inline void MedicalBeam::SetSSD(G4double ssd)
{ SSD= ssd; }

inline G4double MedicalBeam::GetSSD() const
{ return SSD; }

inline void MedicalBeam::SetFieldXY(G4double fx, G4double fy)
{ fieldXY[0]= fx; fieldXY[1]= fy; }

inline G4double MedicalBeam::GetFieldX() const
{ return fieldXY[0]; }

inline G4double MedicalBeam::GetFieldY() const
{ return fieldXY[1]; }

inline void MedicalBeam::SetFieldR(G4double r)
{ fieldR= r; }

inline G4double MedicalBeam::GetFieldR() const
{ return fieldR; }

#endif