ExN02MagneticField.hh

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// $Id: ExN02MagneticField.hh 66241 2012-12-13 18:34:42Z gunter $
//
//
//    A class for control of the Magnetic Field of the detector.
//  The field is assumed to be uniform.
// 
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#ifndef ExN02MagneticField_H
#define ExN02MagneticField_H

#include "G4UniformMagField.hh"

class G4FieldManager;

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class ExN02MagneticField: public G4UniformMagField
{
  public:
  
   ExN02MagneticField(G4ThreeVector);  //  The value of the field
   ExN02MagneticField();               //  A zero field
  ~ExN02MagneticField();  
      
   //Set the field (fieldValue,0,0)
   void SetMagFieldValue(G4double fieldValue);
   void SetMagFieldValue(G4ThreeVector fieldVector);
      
   G4ThreeVector GetConstantFieldValue();

  protected:

      // Find the global Field Manager
      G4FieldManager* GetGlobalFieldManager();   // static 
};

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#endif