BDSBeamlineIntegral.hh

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2024.
 
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 BDSBEAMLINEINTEGRAL_H
#define BDSBEAMLINEINTEGRAL_H
 
#include "BDSParticleDefinition.hh"
 
#include "G4Types.hh"
 
namespace GMAD
{
  struct Element;
}
 
class BDSBeamlineIntegral
{
public:
  BDSBeamlineIntegral() = delete;
  explicit BDSBeamlineIntegral(const BDSParticleDefinition& incomingParticle,
                               G4double T0In = 0,
                               G4double integratedArcLength = 0,
                               G4bool   integrateKineticEnergyIn = true);
  ~BDSBeamlineIntegral();
 
  void Integrate(const GMAD::Element& componentAsDefined);
  
  G4double ProvideSynchronousTAtCentreOfNextElement(const GMAD::Element* el) const;
 
  G4double ProvideSynchronousTAtEndOfNextElement(const GMAD::Element* el) const;
 
  G4double MomentumAtStartOfLastElement() const {return designParticle.Momentum();}
  G4double KineticEnergyAtStartOfLastElement() const {return designParticle.KineticEnergy();}
  
  G4bool   integrateKineticEnergy; 
  G4double synchronousTAtEnd;
  G4double synchronousTAtMiddleOfLastElement;
  G4double arcLength;
  BDSParticleDefinition designParticle;
  G4bool   changeOfEnergyEncountered;
  G4int    rigidityCount;  
};
 
#endif