Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/advanced/hadrontherapy/include/HadrontherapyMagneticField3D.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
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 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
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 24 // ********************************************************************
 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 class HadrontherapyMagneticField3D
 39 #ifndef STANDALONE
 40  : public G4MagneticField
 41 #endif
 42 {
 43   
 44   // Storage space for the table
 45   std::vector< std::vector< std::vector< double > > > xField;
 46   std::vector< std::vector< std::vector< double > > > yField;
 47   std::vector< std::vector< std::vector< double > > > zField;
 48   // The dimensions of the table
 49   int nx,ny,nz; 
 50   // The physical limits of the defined region
 51   double minx, maxx, miny, maxy, minz, maxz;
 52   // The physical extent of the defined region
 53   double dx, dy, dz;
 54   double fXoffset;
 55   bool invertX, invertY, invertZ;
 56 
 57 public:
 58   HadrontherapyMagneticField3D(const char* filename, double xOffset );
 59   void  GetFieldValue( const  double Point[4],
 60            double *Bfield          ) const;
 61 };
 62 
 63