Geant4  10.02.p02
HadrontherapyMagneticField3D.hh
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25 //
26 // Hadrontherapy advanced example for Geant4
27 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
28 // (This class was adapted from the purging magnet example, by S.Larsson and J. Generowicz.)
29 
30 #include "globals.hh"
31 #include "G4MagneticField.hh"
32 #include "G4ios.hh"
33 
34 #include <fstream>
35 #include <vector>
36 #include <cmath>
37 
38 using namespace std;
39 
41 #ifndef STANDALONE
42  : public G4MagneticField
43 #endif
44 {
45 
46  // Storage space for the table
47  vector< vector< vector< double > > > xField;
48  vector< vector< vector< double > > > yField;
49  vector< vector< vector< double > > > zField;
50  // The dimensions of the table
51  int nx,ny,nz;
52  // The physical limits of the defined region
53  double minx, maxx, miny, maxy, minz, maxz;
54  // The physical extent of the defined region
55  double dx, dy, dz;
56  double fXoffset;
57  bool invertX, invertY, invertZ;
58 
59 public:
60  HadrontherapyMagneticField3D(const char* filename, double xOffset );
61  void GetFieldValue( const double Point[4],
62  double *Bfield ) const;
63 };
64 
vector< vector< vector< double > > > xField
vector< vector< vector< double > > > zField
vector< vector< vector< double > > > yField