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geant4/examples/advanced/hadrontherapy/include/HadrontherapyElectricTabulatedField3D.hh
2020-12-04 12:30:43 +01:00

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//
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// Hadrontherapy advanced example for Geant4
// See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
// (This class was adapted from the purging magnet example, by S.Larsson and J. Generowicz.)
#include "globals.hh"
#include "G4ElectricField.hh"
#include "G4ElectroMagneticField.hh"
#include "G4ios.hh"
#include <fstream>
#include <vector>
#include <cmath>
class HadrontherapyElectricTabulatedField3D
: public G4ElectricField
{
// Storage space for the table
std::vector< std::vector< std::vector< G4double > > > xEField;
std::vector< std::vector< std::vector< G4double > > > yEField;
std::vector< std::vector< std::vector< G4double > > > zEField;
// The dimensions of the table
G4int Enx,Eny,Enz;
// The physical limits of the defined region
G4double Eminx, Emaxx, Eminy, Emaxy, Eminz, Emaxz;
// The physical extent of the defined region
G4double dx1, dy1, dz1;
G4double feXoffset;
G4double feYoffset;
G4double feZoffset;
G4bool einvertX, einvertY, einvertZ;
public:
HadrontherapyElectricTabulatedField3D(const char* filename, G4double exOffset, G4double eyOffset, G4double ezOffset );
void GetFieldValue( const G4double Epoint[4],
G4double *Efield) const;
};