BDSIM: /scratch0/jsnuveri/BDSIM/BDSIMgit/bdsim/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 #include "G4Navigator.hh"
00012 
00013 class BDSQuadMagField : public G4MagneticField
00014 {
00015 public:  // with description
00016 
00017   BDSQuadMagField(G4double aBGrad);
00018   virtual ~BDSQuadMagField();
00019   // Constructor and destructor. No actions.
00020 
00021 
00022   virtual void  GetFieldValue( const G4double Point[4],
00023                                G4double *Bfield ) const;
00024   void SetBGrad(G4double aBGrad);
00025 private:
00026   G4Navigator* QuadNavigator;
00027   G4double itsBGrad;
00028 };
00029 
00030 inline void BDSQuadMagField::SetBGrad(G4double aBGrad)
00031 { itsBGrad = aBGrad; }
00032 
00033 #endif /* BDSQUADMAGFIELD */