BDSIM: /home/cern/BDSIM_new/include/BDSMultipoleOuterMagField.hh Source File

00001 /* BDSIM code.    Version 1.0
00002    Author: Grahame A. Blair, Royal Holloway, Univ. of London.
00003    Last modified 24.7.2002
00004    Copyright (c) 2002 by G.A.Blair.  ALL RIGHTS RESERVED. 
00005 */
00006 #ifndef BDSMULTIPOLEOUTERMAGFIELD
00007 #define BDSMULTIPOLEOUTERMAGFIELD
00008 
00009 #include "G4Types.hh"
00010 #include "G4MagneticField.hh"
00011 
00012 class BDSMultipoleOuterMagField : public G4MagneticField
00013 {
00014 public:  // with description
00015 
00016   BDSMultipoleOuterMagField(G4int nPole,G4double polField, G4double phiOffset);
00017   virtual ~BDSMultipoleOuterMagField();
00018   // Constructor and destructor. No actions.
00019 
00020 
00021   virtual void  GetFieldValue( const G4double Point[4],
00022                                G4double *Bfield ) const;
00023 
00024 private:
00025   G4int itsNPoles;
00026   G4double itsIronField;
00027   G4double itsPhiOffset;
00028   G4double itsSectorPhi;
00029 };
00030 
00031 
00032 #endif /* BDSMULTIPOELOUTERMAGFIELD */