int G4Setup(const int absorberactive = 0,
const string &field ="1.5",
const EDecayType decayType = TPythia6Decayer::kAll,
const bool do_svtx = true,
const bool do_preshower = false,
const bool do_cemc = true,
const bool do_hcalin = true,
const bool do_magnet = true,
const bool do_hcalout = true,
const bool do_pipe = true,
const bool do_bbc = true,
const bool do_FEMC = false,
const bool do_FHCAL = false,
const float magfield_rescale = 1.0) {
//---------------
// Load libraries
//---------------
gSystem->Load("libg4detectors.so");
gSystem->Load("libg4testbench.so");
//---------------
// Fun4All server
//---------------
Fun4AllServer *se = Fun4AllServer::instance();
PHG4Reco* g4Reco = new PHG4Reco();
g4Reco->set_rapidity_coverage(1.1); // according to drawings
if (decayType != TPythia6Decayer::kAll) {
g4Reco->set_force_decay(decayType);
}
double fieldstrength;
istringstream stringline(field);
stringline >> fieldstrength;
if (stringline.fail()) { // conversion to double fails -> we have a string
if (field.find("sPHENIX.root") != string::npos) {
g4Reco->set_field_map(field, 1);
} else {
g4Reco->set_field_map(field, 2);
}
} else {
g4Reco->set_field(fieldstrength); // use const soleniodal field
}
g4Reco->set_field_rescale(magfield_rescale);
double radius = 0.;
//----------------------------------------
// PIPE
if (do_pipe) radius = Pipe(g4Reco, radius, absorberactive);
//----------------------------------------
// SVTX
if (do_svtx) radius = Svtx(g4Reco, radius, absorberactive);
//----------------------------------------
// PRESHOWER
if (do_preshower) radius = PreShower(g4Reco, radius, absorberactive);
//----------------------------------------
// CEMC
//
if (do_cemc) radius = CEmc(g4Reco, radius, 8, absorberactive);
// if (do_cemc) radius = CEmc_Vis(g4Reco, radius, 8, absorberactive);// for visualization substructure of SPACAL, slow to render
//----------------------------------------
// HCALIN
if (do_hcalin) radius = HCalInner(g4Reco, radius, 4, absorberactive);
//----------------------------------------
// MAGNET
if (do_magnet) radius = Magnet(g4Reco, radius, 0, absorberactive);
//----------------------------------------
// HCALOUT
if (do_hcalout) radius = HCalOuter(g4Reco, radius, 4, absorberactive);
//----------------------------------------
// FEMC
if ( do_FEMC )
FEMCSetup(g4Reco, absorberactive);
//----------------------------------------
// FHCAL
if ( do_FHCAL )
FHCALSetup(g4Reco, absorberactive);
// sPHENIX forward flux return(s)
PHG4CylinderSubsystem *flux_return_plus = new PHG4CylinderSubsystem("FWDFLUXRET", 0);
flux_return_plus->SetLength(10.2);
flux_return_plus->SetPosition(0,0,335.9);
flux_return_plus->SetRadius(5.0);
flux_return_plus->SetLengthViaRapidityCoverage(false);
flux_return_plus->SetThickness(263.5-5.0);
flux_return_plus->SetMaterial("G4_Fe");
flux_return_plus->SetActive(false);
flux_return_plus->SuperDetector("FLUXRET_ETA_PLUS");
flux_return_plus->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(flux_return_plus);
PHG4CylinderSubsystem *flux_return_minus = new PHG4CylinderSubsystem("FWDFLUXRET", 0);
flux_return_minus->SetLength(10.2);
flux_return_minus->SetPosition(0,0,-335.9);
flux_return_minus->SetRadius(5.0);
flux_return_minus->SetLengthViaRapidityCoverage(false);
flux_return_minus->SetThickness(263.5-5.0);
flux_return_minus->SetMaterial("G4_Fe");
flux_return_minus->SetActive(false);
flux_return_minus->SuperDetector("FLUXRET_ETA_MINUS");
flux_return_minus->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(flux_return_minus);
//----------------------------------------
// BLACKHOLE
// swallow all particles coming out of the backend of sPHENIX
PHG4CylinderSubsystem *blackhole = new PHG4CylinderSubsystem("BH", 1);
blackhole->SetRadius(radius + 10); // add 10 cm
blackhole->SetLengthViaRapidityCoverage(false);
blackhole->SetLength(g4Reco->GetWorldSizeZ() - no_overlapp); // make it cover the world in length
blackhole->BlackHole();
blackhole->SetThickness(0.1); // it needs some thickness
blackhole->SetActive(); // always see what leaks out
blackhole->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(blackhole);
//----------------------------------------
// FORWARD BLACKHOLEs
// +Z
blackhole = new PHG4CylinderSubsystem("BH_FORWARD_PLUS", 1);
blackhole->SuperDetector("BH_FORWARD_PLUS");
blackhole->SetRadius(0); // add 10 cm
blackhole->SetLengthViaRapidityCoverage(false);
blackhole->SetLength(0.1); // make it cover the world in length
blackhole->SetPosition(0,0, g4Reco->GetWorldSizeZ()/2. - 0.1 - no_overlapp);
blackhole->BlackHole();
blackhole->SetThickness(radius - no_overlapp); // it needs some thickness
blackhole->SetActive(); // always see what leaks out
blackhole->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(blackhole);
blackhole = new PHG4CylinderSubsystem("BH_FORWARD_NEG", 1);
blackhole->SuperDetector("BH_FORWARD_NEG");
blackhole->SetRadius(0); // add 10 cm
blackhole->SetLengthViaRapidityCoverage(false);
blackhole->SetLength(0.1); // make it cover the world in length
blackhole->SetPosition(0,0, - g4Reco->GetWorldSizeZ()/2. +0.1 + no_overlapp);
blackhole->BlackHole();
blackhole->SetThickness(radius - no_overlapp); // it needs some thickness
blackhole->SetActive(); // always see what leaks out
blackhole->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(blackhole);
PHG4TruthSubsystem *truth = new PHG4TruthSubsystem();
g4Reco->registerSubsystem(truth);
se->registerSubsystem( g4Reco );
}
int G4Setup(const int absorberactive = 0,
const string &field ="1.5",
#if ROOT_VERSION_CODE >= ROOT_VERSION(6,00,0)
const EDecayType decayType = EDecayType::kAll,
#else
const EDecayType decayType = TPythia6Decayer::kAll,
#endif
const bool do_tracking = true,
const bool do_pstof = true,
const bool do_cemc = true,
const bool do_hcalin = true,
const bool do_magnet = true,
const bool do_hcalout = true,
const bool do_pipe = true,
const bool do_plugdoor = false,
// const bool do_plugdoor = true,
const float magfield_rescale = 1.0) {
//---------------
// Load libraries
//---------------
gSystem->Load("libg4detectors.so");
gSystem->Load("libg4testbench.so");
//---------------
// Fun4All server
//---------------
Fun4AllServer *se = Fun4AllServer::instance();
// read-in HepMC events to Geant4 if there is any
HepMCNodeReader *hr = new HepMCNodeReader();
se->registerSubsystem(hr);
PHG4Reco* g4Reco = new PHG4Reco();
g4Reco->set_rapidity_coverage(1.1); // according to drawings
// uncomment to set QGSP_BERT_HP physics list for productions
// (default is QGSP_BERT for speed)
// g4Reco->SetPhysicsList("QGSP_BERT_HP");
#if ROOT_VERSION_CODE >= ROOT_VERSION(6,00,0)
if (decayType != EDecayType::kAll)
#else
if (decayType != TPythia6Decayer::kAll)
#endif
{
g4Reco->set_force_decay(decayType);
}
double fieldstrength;
istringstream stringline(field);
stringline >> fieldstrength;
if (stringline.fail()) { // conversion to double fails -> we have a string
if (field.find("sPHENIX.root") != string::npos) {
g4Reco->set_field_map(field, PHFieldConfig::Field3DCartesian);
} else {
g4Reco->set_field_map(field, PHFieldConfig::kField2D);
}
} else {
g4Reco->set_field(fieldstrength); // use const soleniodal field
}
g4Reco->set_field_rescale(magfield_rescale);
double radius = 0.;
//----------------------------------------
// PIPE
if (do_pipe) radius = Pipe(g4Reco, radius, absorberactive);
//----------------------------------------
// TRACKING
if (do_tracking) radius = Tracking(g4Reco, radius, absorberactive);
//----------------------------------------
// PSTOF
if (do_pstof) radius = PSTOF(g4Reco, radius, absorberactive);
//----------------------------------------
// CEMC
//
if (do_cemc) radius = CEmc(g4Reco, radius, 8, absorberactive);
// if (do_cemc) radius = CEmc_Vis(g4Reco, radius, 8, absorberactive);// for visualization substructure of SPACAL, slow to render
//----------------------------------------
// HCALIN
if (do_hcalin) radius = HCalInner(g4Reco, radius, 4, absorberactive);
//----------------------------------------
// MAGNET
if (do_magnet) radius = Magnet(g4Reco, radius, 0, absorberactive);
//----------------------------------------
// HCALOUT
if (do_hcalout) radius = HCalOuter(g4Reco, radius, 4, absorberactive);
//----------------------------------------
// sPHENIX forward flux return door
if (do_plugdoor) PlugDoor(g4Reco, absorberactive);
//----------------------------------------
// BLACKHOLE
// swallow all particles coming out of the backend of sPHENIX
PHG4CylinderSubsystem *blackhole = new PHG4CylinderSubsystem("BH", 1);
blackhole->set_double_param("radius",radius + 10); // add 10 cm
blackhole->set_int_param("lengthviarapidity",0);
blackhole->set_double_param("length",g4Reco->GetWorldSizeZ() - no_overlapp); // make it cover the world in length
blackhole->BlackHole();
blackhole->set_double_param("thickness",0.1); // it needs some thickness
blackhole->SetActive(); // always see what leaks out
blackhole->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(blackhole);
//----------------------------------------
// FORWARD BLACKHOLEs
// +Z
blackhole = new PHG4CylinderSubsystem("BH_FORWARD_PLUS", 1);
blackhole->SuperDetector("BH_FORWARD_PLUS");
blackhole->set_double_param("radius",0); // add 10 cm
blackhole->set_int_param("lengthviarapidity",0);
blackhole->set_double_param("length",0.1); // make it cover the world in length
blackhole->set_double_param("place_z",g4Reco->GetWorldSizeZ()/2. - 0.1 - no_overlapp);
blackhole->BlackHole();
blackhole->set_double_param("thickness",radius - no_overlapp); // it needs some thickness
blackhole->SetActive(); // always see what leaks out
blackhole->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(blackhole);
blackhole = new PHG4CylinderSubsystem("BH_FORWARD_NEG", 1);
blackhole->SuperDetector("BH_FORWARD_NEG");
blackhole->set_double_param("radius",0); // add 10 cm
blackhole->set_int_param("lengthviarapidity",0);
blackhole->set_double_param("length",0.1); // make it cover the world in length
blackhole->set_double_param("place_z", - g4Reco->GetWorldSizeZ()/2. +0.1 + no_overlapp);
blackhole->BlackHole();
blackhole->set_double_param("thickness",radius - no_overlapp); // it needs some thickness
blackhole->SetActive(); // always see what leaks out
blackhole->OverlapCheck(overlapcheck);
g4Reco->registerSubsystem(blackhole);
PHG4TruthSubsystem *truth = new PHG4TruthSubsystem();
g4Reco->registerSubsystem(truth);
se->registerSubsystem( g4Reco );
return 0;
}