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/**
* Copyright (C) 2009
* The IceCube collaboration
* ID: $Id: G4Interface.cxx 149388 2016-08-18 21:50:04Z jgonzalez $
*
* @file G4Interface.cxx
* @version $Rev: 149388 $
* @date $Date: 2016-08-18 22:50:04 +0100 (Thu, 18 Aug 2016) $
* @author Tilo Waldenmaier
*/
#include <dataclasses/physics/I3Particle.h>
#include <g4-tankresponse/g4classes/G4Interface.h>
#include <g4-tankresponse/g4classes/G4BeamTestDetectorConstruction.h>
#include <g4-tankresponse/g4classes/G4BeamTestPhysicsList.h>
#include <g4-tankresponse/g4classes/G4BeamTestUserTrackingAction.h>
#include <g4-tankresponse/g4classes/G4BeamTestUserSteppingAction.h>
#include <icetray/I3Logging.h>
#ifdef G4VIS_USE
#include <G4VisExecutive.hh>
#endif
#include <G4ParticleGun.hh>
#include <G4ParticleTable.hh>
#include <G4ParticleDefinition.hh>
#include <G4UImanager.hh>
G4Interface* G4Interface::g4Interface_ = NULL;
G4Interface::G4Interface(const std::string& visMacro):
detector_(NULL), initialized_(false),
eventInitialized_(false), visMacro_(visMacro)
{
g4Interface_ = this;
// Visualization manager
#ifdef G4VIS_USE
visManager_ = NULL;
if(!visMacro_.empty())
{
visManager_ = new G4VisExecutive();
visManager_->Initialize();
}
#endif
}
G4Interface::~G4Interface()
{
g4Interface_ = NULL;
#ifdef G4VIS_USE
if(visManager_) delete visManager_;
#endif
}
void G4Interface::InstallTank(G4BeamTestTank* tank)
{
if(initialized_)
{
log_fatal("G4Interface aleady initialized. Cannot install tank!");
return;
}
if(!detector_) detector_ = new G4BeamTestDetectorConstruction();
detector_->InstallTank(tank);
}
void G4Interface::InitializeEvent()
{
///
/// An IceTray EVENT corresponds to a G4RUN
/// where each injected particle initiates an G4EVENT
///
if(!initialized_)
{
Initialize();
}
if(!eventInitialized_)
{
runManager_.InitializeRun();
eventInitialized_ = true;
}
}
void G4Interface::InjectParticle(const I3Particle& particle)
{
if(!eventInitialized_)
{
log_fatal("No event initialized. Cannot inject particle!");
return;
}
G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
G4ParticleDefinition* particleDef = NULL;
switch(particle.GetType())
{
case I3Particle::Gamma:
particleDef = particleTable->FindParticle("gamma");
break;
case I3Particle::EMinus:
particleDef = particleTable->FindParticle("e-");
break;
case I3Particle::EPlus:
particleDef = particleTable->FindParticle("e+");
break;
case I3Particle::MuMinus:
particleDef = particleTable->FindParticle("mu-");
break;
case I3Particle::MuPlus:
particleDef = particleTable->FindParticle("mu+");
break;
case I3Particle::PPlus:
particleDef = particleTable->FindParticle("proton");
break;
case I3Particle::PMinus:
particleDef = particleTable->FindParticle("anti_proton");
break;
case I3Particle::Neutron:
particleDef = particleTable->FindParticle("neutron");
break;
#ifdef I3PARTICLE_SUPPORTS_PDG_ENCODINGS
case I3Particle::NeutronBar:
#else
case 25:
#endif
particleDef = particleTable->FindParticle("anti_neutron");
break;
case I3Particle::PiPlus:
particleDef = particleTable->FindParticle("pi+");
break;
case I3Particle::PiMinus:
particleDef = particleTable->FindParticle("pi-");
break;
case I3Particle::Pi0:
particleDef = particleTable->FindParticle("pi0");
break;
case I3Particle::KPlus:
particleDef = particleTable->FindParticle("kaon+");
break;
case I3Particle::KMinus:
particleDef = particleTable->FindParticle("kaon-");
break;
case I3Particle::K0_Long:
particleDef = particleTable->FindParticle("kaon0L");
break;
case I3Particle::K0_Short:
particleDef = particleTable->FindParticle("kaon0S");
break;
case I3Particle::NuE:
particleDef = particleTable->FindParticle("nu_e");
break;
case I3Particle::NuEBar:
particleDef = particleTable->FindParticle("anti_nu_e");
break;
case I3Particle::NuMu:
particleDef = particleTable->FindParticle("nu_mu");
break;
case I3Particle::NuMuBar:
particleDef = particleTable->FindParticle("anti_nu_mu");
break;
case I3Particle::NuTau:
particleDef = particleTable->FindParticle("nu_tau");
break;
case I3Particle::NuTauBar:
particleDef = particleTable->FindParticle("anti_nu_tau");
break;
default:
log_warn("Man, check out that strange particle \"%s\" ?!", particle.GetTypeString().c_str());
return;
}
// Particle position in G4 units
G4ThreeVector position((particle.GetX() / I3Units::m) * CLHEP::m,
(particle.GetY() / I3Units::m) * CLHEP::m,
(particle.GetZ() / I3Units::m) * CLHEP::m);
// Transform I3 coorinates to world system
position -= detector_->GetWorldOrigin();
G4ThreeVector direction(particle.GetDir().GetX(),
particle.GetDir().GetY(),
particle.GetDir().GetZ());
G4ParticleGun gun(1);
gun.SetParticleDefinition(particleDef);
gun.SetParticleEnergy((particle.GetEnergy() / I3Units::GeV) * CLHEP::GeV);
gun.SetParticlePosition(position);
gun.SetParticleMomentumDirection(direction);
log_trace("Injecting %s: x=%.2f m, y=%.2f m, z=%.2f m, E=%.3f MeV",
particle.GetTypeString().c_str(),
position.x() / CLHEP::m,
position.y() / CLHEP::m,
position.z() / CLHEP::m,
gun.GetParticleEnergy() / CLHEP::MeV);
runManager_.InjectParticle(&gun);
}
void G4Interface::TerminateEvent()
{
///
/// An IceTray EVENT corresponds to a G4RUN
/// where each injected particle initiates an G4EVENT
///
if(eventInitialized_)
{
runManager_.TerminateRun();
eventInitialized_ = false;
}
}
void G4Interface::Initialize()
{
if(initialized_)
{
log_error("G4Interface has already been initialized. Ignoring this call!");
return;
}
log_debug("Init geometry ...");
runManager_.SetUserInitialization(detector_);
log_debug("Init physics list ...");
runManager_.SetUserInitialization(new G4BeamTestPhysicsList());
log_debug("Init UserTrackingAction ...");
runManager_.SetUserAction(new G4BeamTestUserTrackingAction());
log_debug("Init UserSteppingAction ...");
runManager_.SetUserAction(new G4BeamTestUserSteppingAction());
// Initialize G4 kernel
log_debug("Init run manager ...");
runManager_.Initialize();
// Set verbosity
int verboseLevel = 0;
switch (GetIcetrayLogger()->LogLevelForUnit("G4Interface"))
{
case I3LOG_FATAL:
case I3LOG_ERROR:
case I3LOG_WARN:
case I3LOG_INFO:
case I3LOG_NOTICE:
default:
verboseLevel = 0;
break;
case I3LOG_DEBUG:
verboseLevel = 1;
break;
case I3LOG_TRACE:
verboseLevel = 2;
break;
}
runManager_.SetVerboseLevel(verboseLevel);
G4EventManager::GetEventManager()->SetVerboseLevel(verboseLevel);
G4EventManager::GetEventManager()->GetStackManager()->SetVerboseLevel(verboseLevel);
G4EventManager::GetEventManager()->GetTrackingManager()->SetVerboseLevel(verboseLevel);
#ifdef G4VIS_USE
if(visManager_) visManager_->SetVerboseLevel(verboseLevel);
#endif
// Execute visualization macro (if specified)
if(!visMacro_.empty())
{
G4UImanager* uim = G4UImanager::GetUIpointer();
// Checking geometry
uim->ApplyCommand("/geometry/test/grid_test");
// Execute visualization macro
std::string visCmd = "/control/execute " + visMacro_;
uim->ApplyCommand(visCmd.c_str());
}
initialized_ = true;
}
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