BDSFieldMagSolenoidBlock.hh

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2022.
 
This file is part of BDSIM.
 
BDSIM is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published 
by the Free Software Foundation version 3 of the License.
 
BDSIM is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with BDSIM.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BDSFIELDMAGSOLENOIDBLOCK_H
#define BDSFIELDMAGSOLENOIDBLOCK_H
 
#include "BDSFieldMag.hh"
 
#include "G4ThreeVector.hh"
#include "G4Types.hh"
 
class BDSMagnetStrength;
 
class BDSFieldMagSolenoidBlock: public BDSFieldMag
{
public:
  BDSFieldMagSolenoidBlock() = delete;
  BDSFieldMagSolenoidBlock(G4double strength,
                           G4bool   strengthIsCurrent,
                           G4double innerRadiusIn,
                           G4double radialThicknessIn,
                           G4double fullLengthZIn,
                           G4double toleranceIn,
                           G4int  nSheetsIn);
  BDSFieldMagSolenoidBlock(const BDSMagnetStrength* st,
                           G4double innerRadiusIn);
  virtual ~BDSFieldMagSolenoidBlock() = default;
 
  virtual G4ThreeVector GetField(const G4ThreeVector& position,
                                 const G4double       t = 0) const;
  
  inline G4double GetB0() const {return B0;}
  inline G4double GetI()  const {return I;}
 
private:
  G4double a;
  G4double radialThickness;
  G4double fullLengthZ;
  G4double B0;
  G4double I;
  G4double coilTolerance;
  G4int    nSheetsBlock;
  G4double currentDensity;
};
 
#endif