FieldBuilder.h

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#ifndef SimG4Core_MagneticField_FieldBuilder_H
#define SimG4Core_MagneticField_FieldBuilder_H
 
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include <memory>
 
class MagneticField;
class CMSFieldManager;
class G4Mag_UsualEqRhs;
class G4PropagatorInField;
class G4LogicalVolume;
 
namespace sim {
  class Field;
  class FieldBuilder {
  public:
    FieldBuilder(const MagneticField *, const edm::ParameterSet &);
 
    ~FieldBuilder();
 
    void build(CMSFieldManager *fM, G4PropagatorInField *fP);
 
    void configureForVolume(const std::string &volName,
                            edm::ParameterSet &volPSet,
                            CMSFieldManager *fM,
                            G4PropagatorInField *fP);
 
  private:
    Field *theField;
    G4Mag_UsualEqRhs *theFieldEquation;
    G4LogicalVolume *theTopVolume;
    edm::ParameterSet thePSet;
    double theDelta;
  };
};  // namespace sim
 
#endif