hadrontherapy/include/HadrontherapyElectricTabulatedField3D.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 // Hadrontherapy advanced example for Geant4
0027 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
0028 // (This class was adapted from the purging magnet example, by S.Larsson and J. Generowicz.)
0029 #include "globals.hh"
0030 #include "G4ElectricField.hh"
0031 #include "G4ElectroMagneticField.hh"
0032 #include "G4ios.hh"
0033
0034 #include <fstream>
0035 #include <vector>
0036 #include <cmath>
0037
0038 class HadrontherapyElectricTabulatedField3D
0039
0040  : public G4ElectricField
0041
0042 {
0043
0044   // Storage space for the table
0045   std::vector< std::vector< std::vector< G4double > > > xEField;
0046   std::vector< std::vector< std::vector< G4double > > > yEField;
0047   std::vector< std::vector< std::vector< G4double > > > zEField;
0048   // The dimensions of the table
0049   G4int Enx,Eny,Enz;
0050   // The physical limits of the defined region
0051   G4double Eminx, Emaxx, Eminy, Emaxy, Eminz, Emaxz;
0052   // The physical extent of the defined region
0053   G4double dx1, dy1, dz1;
0054   G4double feXoffset;
0055   G4double feYoffset;
0056   G4double feZoffset;
0057   G4bool einvertX, einvertY, einvertZ;
0058
0059 public:
0060   HadrontherapyElectricTabulatedField3D(const char* filename, G4double exOffset, G4double eyOffset, G4double ezOffset );
0061   void  GetFieldValue( const  G4double Epoint[4],
0062                G4double *Efield) const;
0063 };
0064