BDSIM: /home/cern/BDSIM_new/include/BDSQuadMagField.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 BDSQUADMAGFIELD
00007 #define BDSQUADMAGFIELD
00008 
00009 #include "G4Types.hh"
00010 #include "G4MagneticField.hh"
00011 
00012 class BDSQuadMagField : public G4MagneticField
00013 {
00014 public:  // with description
00015 
00016   BDSQuadMagField(G4double aBGrad);
00017   virtual ~BDSQuadMagField();
00018   // Constructor and destructor. No actions.
00019 
00020 
00021   virtual void  GetFieldValue( const G4double Point[4],
00022                                G4double *Bfield ) const;
00023   void SetBGrad(G4double aBGrad);
00024 private:
00025   G4double itsBGrad;
00026   G4bool hasBeenScaled;
00027 
00028 };
00029 
00030 inline void BDSQuadMagField::SetBGrad(G4double aBGrad)
00031 { itsBGrad = aBGrad; }
00032 
00033 #endif /* BDSQUADMAGFIELD */