composite_calorimeter/include/CCalMagneticField.hh

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0025 //
0026 ///////////////////////////////////////////////////////////////////////////////
0027 // File: CCalMagneticField.hh
0028 // Description: A class for control of the Magnetic Field of the detector.
0029 //              The field is assumed to be uniform.
0030 ///////////////////////////////////////////////////////////////////////////////
0031 #ifndef CCalMagneticField_H
0032 #define CCalMagneticField_H 1
0033
0034 #include "G4UniformMagField.hh"
0035 #include "G4ThreeVector.hh"
0036 class G4FieldManager;
0037
0038 class CCalMagneticField: public G4MagneticField
0039 {
0040 public:
0041   CCalMagneticField(const G4String &name);
0042   ~CCalMagneticField();
0043
0044   // Access functions
0045   void MagneticField(const G4double Point[3], G4double Bfield[3]) const;
0046   CLHEP::Hep3Vector MagneticField(const CLHEP::Hep3Vector Point) const;
0047   virtual void GetFieldValue(const G4double Point[3], G4double* Bfield) const;
0048   G4double GetConstantFieldvalue() const {return fval;}
0049
0050 protected:
0051   // Find the global Field Manager
0052   G4FieldManager* GetGlobalFieldManager();
0053
0054 private:
0055   G4double   fval;             // Field value
0056   G4int      npts;             // Number of poinst
0057   G4double   xoff;             // Offset
0058   G4double*  pos;              // Position
0059   G4double*  slope;            // Slope
0060   G4double*  intercept;        // Intercept
0061
0062   G4int fVerbosity;
0063 };
0064
0065 #endif