BDSPhysicsLaserWire.cc

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2023.
 
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/>.
*/
#include "BDSLaserCompton.hh"
#include "BDSPhysicsLaserWire.hh"
 
#include "globals.hh" // geant4 types / globals
#include "G4Electron.hh"
#include "G4Gamma.hh"
#include "G4OpticalPhoton.hh"
#include "G4ParticleDefinition.hh"
#include "G4Positron.hh"
#include "G4ProcessManager.hh"
#include "G4Version.hh"
 
BDSPhysicsLaserWire::BDSPhysicsLaserWire():
  G4VPhysicsConstructor("BDSPhysicsLaserWire")
{;}
 
BDSPhysicsLaserWire::~BDSPhysicsLaserWire()
{;}
 
void BDSPhysicsLaserWire::ConstructParticle()
{
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4Gamma::Gamma();
  G4OpticalPhoton::OpticalPhotonDefinition();
}
 
void BDSPhysicsLaserWire::ConstructProcess()
{
  if (Activated())
    {return;}
  
#if G4VERSION_NUMBER > 1029
  auto aParticleIterator = GetParticleIterator();
#endif
  aParticleIterator->reset();
 
  BDSLaserCompton* lwProcess = new BDSLaserCompton();
 
  while((*aParticleIterator)())
    {
      G4ParticleDefinition* particle = aParticleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();
      G4String particleName = particle->GetParticleName();
      
      if (particleName == "e-")
        {
          pmanager->AddProcess(lwProcess);
          pmanager->SetProcessOrderingToLast(lwProcess,idxPostStep);
        }
 
      if (particleName == "e+")
        {
          pmanager->AddProcess(lwProcess);
          pmanager->SetProcessOrderingToLast(lwProcess,idxPostStep);
        }
    }
 
  SetActivated();
}