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// $Id: HadrontherapyPhotonPenelope.cc; Version 4.0 May 2005
// ----------------------------------------------------------------------------
//                 GEANT 4 - Hadrontherapy example
// ----------------------------------------------------------------------------
// Code developed by:
//
// G.A.P. Cirrone(a)*, F. Di Rosa(a), S. Guatelli(b), G. Russo(a)
// 
// (a) Laboratori Nazionali del Sud 
//     of the National Institute for Nuclear Physics, Catania, Italy
// (b) National Institute for Nuclear Physics Section of Genova, genova, Italy
// 
// * cirrone@lns.infn.it
// ----------------------------------------------------------------------------

#include "EMPhotonPenelope.hh"
#include "G4ProcessManager.hh"
#include "G4ParticleDefinition.hh"
#include "G4Gamma.hh"
#include "G4PenelopeCompton.hh"
#include "G4PenelopeGammaConversion.hh"
#include "G4PenelopePhotoElectric.hh"
#include "G4PenelopeRayleigh.hh"
#include "G4StepLimiter.hh"


EMPhotonPenelope::EMPhotonPenelope(const G4String& name): 
   G4VPhysicsConstructor(name)
{ 
  G4cout<< "ELECTROMAGNETIC PROCESS(ES): G4PenelopePhotoElectric (photon)" 
        << G4endl
        << "                             G4PenelopeCompton (photon)" 
        << G4endl
        << "                             G4PenelopeGammaConversion (photon)" 
        << G4endl
        << "                             G4PenelopeRayleigh (photon)" 
        << G4endl
        << "APPLIED MODEL(S): -" 
        << G4endl;
}

EMPhotonPenelope::~EMPhotonPenelope()
{ }

void EMPhotonPenelope::ConstructProcess()
{

  // **************
  // *** Photon ***
  // **************
  
  G4PenelopePhotoElectric* photonPhotoElectricProcess = new G4PenelopePhotoElectric();
  G4PenelopeCompton* photonComptonProcess = new G4PenelopeCompton;
  G4PenelopeGammaConversion* photonGammaConvProcess = new G4PenelopeGammaConversion;
  G4PenelopeRayleigh* photonRayleighProcess = new G4PenelopeRayleigh;

  G4StepLimiter* photonStepLimiter = new G4StepLimiter();

  G4ParticleDefinition* particle = G4Gamma::Gamma(); 
  G4ProcessManager* processManager = particle -> GetProcessManager();
  processManager -> AddDiscreteProcess(photonPhotoElectricProcess);
  processManager -> AddDiscreteProcess(photonComptonProcess);
  processManager -> AddDiscreteProcess(photonGammaConvProcess);
  processManager -> AddDiscreteProcess(photonRayleighProcess);
  processManager -> AddProcess(photonStepLimiter, -1, -1,  3);

}