void Config()
{
// Get settings from environment variables
ProcessEnvironmentVars();
gRandom->SetSeed(seed);
cerr<<"Seed for random number generation= "<<seed<<endl;
// Libraries required by geant321
#if defined(__CINT__)
gSystem->Load("liblhapdf"); // Parton density functions
gSystem->Load("libEG");
gSystem->Load("libEGPythia6"); // TGenerator interface
gSystem->Load("libpythia6"); // Pythia
gSystem->Load("libAliPythia6"); // ALICE specific implementations
gSystem->Load("libgeant321");
gSystem->Load("libTTherminator");
#endif
new TGeant3TGeo("C++ Interface to Geant3");
//=======================================================================
// Create the output file
AliRunLoader* rl=0;;
cout<<"Config.C: Creating Run Loader ..."<<endl;
// rl = AliRunLoader::Open("galice.root");
rl = AliRunLoader::Open("galice.root",
AliConfig::GetDefaultEventFolderName(),
"recreate");
if (rl == 0x0)
{
gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
return;
}
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(10000);
gAlice->SetRunLoader(rl);
// Set the trigger configuration
if ((embedrun == kBackground) || (embedrun == kMerged)) {
// AliSimulation::Instance()->SetTriggerConfig("Pb-Pb");
AliSimulation::Instance()->SetTriggerConfig("");
cout<<"Trigger configuration is set to Pb-Pb"<<endl;
}
else {
// Set the trigger configuration: proton-proton
// AliSimulation::Instance()->SetTriggerConfig("p-p");
AliSimulation::Instance()->SetTriggerConfig("Pb-Pb");
cout<<"Trigger configuration is set to Pb-Pb"<<endl;
}
//
// Set External decayer
TVirtualMCDecayer *decayer = new AliDecayerPythia();
decayer->SetForceDecay(kAll);
decayer->Init();
gMC->SetExternalDecayer(decayer);
//=======================================================================
// ************* STEERING parameters FOR ALICE SIMULATION **************
// --- Specify event type to be tracked through the ALICE setup
// --- All positions are in cm, angles in degrees, and P and E in GeV
gMC->SetProcess("DCAY",1);
gMC->SetProcess("PAIR",1);
gMC->SetProcess("COMP",1);
gMC->SetProcess("PHOT",1);
gMC->SetProcess("PFIS",0);
gMC->SetProcess("DRAY",0);
gMC->SetProcess("ANNI",1);
gMC->SetProcess("BREM",1);
gMC->SetProcess("MUNU",1);
gMC->SetProcess("CKOV",1);
gMC->SetProcess("HADR",1);
gMC->SetProcess("LOSS",2);
gMC->SetProcess("MULS",1);
gMC->SetProcess("RAYL",1);
Float_t cut = 1.e-3; // 1MeV cut by default
Float_t tofmax = 1.e10;
gMC->SetCut("CUTGAM", cut);
gMC->SetCut("CUTELE", cut);
gMC->SetCut("CUTNEU", cut);
gMC->SetCut("CUTHAD", cut);
gMC->SetCut("CUTMUO", cut);
gMC->SetCut("BCUTE", cut);
gMC->SetCut("BCUTM", cut);
gMC->SetCut("DCUTE", cut);
gMC->SetCut("DCUTM", cut);
gMC->SetCut("PPCUTM", cut);
gMC->SetCut("TOFMAX", tofmax);
//======================//
// Set External decayer //
//======================//
TVirtualMCDecayer* decayer = new AliDecayerPythia();
decayer->SetForceDecay(kAll);
decayer->Init();
gMC->SetExternalDecayer(decayer);
if ((embedrun == kMerged) || (embedrun == kSignal) || (embedrun == kBackground)) {
//=========================//
// Generator Configuration //
//=========================//
AliGenerator* gener = 0x0;
if (proc == kPythia6) {
gener = MbPythia();
} else if (proc == kPhojet) {
gener = MbPhojet();
} else if (proc == kJPsiPbPb) {
gener = JPsiPbPb();
} else if (proc == kJPsiPbPb2760) {
gener = JPsiPbPb2760();
} else if (proc == kJPsiHptPbPb2760) {
gener = JPsiHptPbPb2760();
} else if (proc == kBSignalPbPb2760) {
gener = BSignalPbPb2760();
}
}
else {
AliGenCocktail *gener = new AliGenCocktail();
gener->SetPhiRange(0, 360);
// Set pseudorapidity range from -8 to 8.
Float_t thmin = EtaToTheta(1); // theta min. <---> eta max
Float_t thmax = EtaToTheta(-1); // theta max. <---> eta min
gener->SetThetaRange(thmin,thmax);
gener->SetProjectile("A",208,82);
gener->SetTarget("A",208,82);
AliGenTherminator *genther = new AliGenTherminator();
genther->SetFileName("event.out");
genther->SetEventNumberInFile(1);
genther->SetTemperature(0.145);
genther->SetMiuI(-0.0009);
genther->SetMiuS(0.000);
genther->SetMiuB(0.0008);
genther->SetAlfaRange(8.0);
genther->SetRapRange(4.0);
genther->SetRhoMax(7.74);
genther->SetTau(9.74);
genther->SetModel("Lhyquid3D");
genther->SetLhyquidSet("LHC500C2030");
gener->AddGenerator(genther, "THERMINATOR LHYQUID3D", 1);
}
/*
// PRIMARY VERTEX
//
gener->SetOrigin(0., 0., 0.); // vertex position
//
//
// Size of the interaction diamond
// Longitudinal
Float_t sigmaz;
if (embedrun == kBackground) {
sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
}
else {
Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
if (energy == 900)
sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
}
//
// Transverse
Float_t betast = 10; // beta* [m]
Float_t eps = 3.75e-6; // emittance [m]
Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
gener->SetCutVertexZ(3.); // Truncate at 3 sigma
gener->SetVertexSmear(kPerEvent);
*/
// PRIMARY VERTEX (will be overwritten by ip from real event)
//
gener->SetOrigin(0., 0., 0.); // vertex position
gener->SetSigma(0., 0., 0.); //Sigma in (X,Y,Z) (cm) on IP position
gener->Init();
/*
// Taken from GRP instead
// FIELD
//
// Field
// AliMagF* field = 0x0;
if (mag == kNoField) {
comment = comment.Append(" | L3 field 0.0 T");
TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 0., 0., AliMagF::k5kGUniform));
} else if (mag == k5kG) {
comment = comment.Append(" | L3 field 0.5 T");
TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG));
}
printf("\n \n Comment: %s \n \n", comment.Data());
// TGeoGlobalMagField::Instance()->SetField(field);
*/
rl->CdGAFile();
Int_t iABSO = 1;
Int_t iACORDE= 0;
Int_t iDIPO = 1;
Int_t iEMCAL = 0;
Int_t iFMD = 1;
Int_t iFRAME = 1;
Int_t iHALL = 1;
Int_t iITS = 1;
Int_t iMAG = 1;
Int_t iMUON = 1;
Int_t iPHOS = 0;
Int_t iPIPE = 1;
Int_t iPMD = 0;
Int_t iHMPID = 0;
Int_t iSHIL = 1;
Int_t iT0 = 0;
Int_t iTOF = 0;
Int_t iTPC = 0;
Int_t iTRD = 0;
Int_t iVZERO = 1;
Int_t iZDC = 0;
//=================== Alice BODY parameters =============================
AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
if (iMAG)
{
//=================== MAG parameters ============================
// --- Start with Magnet since detector layouts may be depending ---
// --- on the selected Magnet dimensions ---
AliMAG *MAG = new AliMAG("MAG", "Magnet");
}
if (iABSO)
{
//=================== ABSO parameters ============================
AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
}
if (iDIPO)
{
//=================== DIPO parameters ============================
AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
}
if (iHALL)
{
//=================== HALL parameters ============================
AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
}
if (iFRAME)
{
//=================== FRAME parameters ============================
AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
FRAME->SetHoles(1);
}
if (iSHIL)
{
//=================== SHIL parameters ============================
AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
}
if (iPIPE)
{
//=================== PIPE parameters ============================
AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
}
if (iITS)
{
//=================== ITS parameters ============================
// AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
AliITS *ITS = new AliITSv11("ITS","ITS v11");
}
if (iTPC)
{
//============================ TPC parameters =====================
AliTPC *TPC = new AliTPCv2("TPC", "Default");
}
if (iTOF) {
//=================== TOF parameters ============================
AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
}
if (iHMPID)
{
//=================== HMPID parameters ===========================
AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
}
if (iZDC)
{
//=================== ZDC parameters ============================
AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
}
if (iTRD)
{
//=================== TRD parameters ============================
AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
}
if (iFMD)
{
//=================== FMD parameters ============================
AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
}
if (iMUON)
{
//=================== MUON parameters ===========================
// New MUONv1 version (geometry defined via builders)
const char* digitstore="AliMUONDigitStoreV2S";
AliMUON *MUON = new AliMUONv1("MUON", "default");
// activate trigger efficiency by cells
MUON->SetTriggerEffCells(1);
if (embedrun == kBackground) {
digitstore="AliMUONDigitStoreV2R";
MUON->SetConvertTrigger(true);
}
MUON->SetDigitStoreClassName(digitstore);
cout << "MUON DigitStore is " << MUON->DigitStoreClassName().Data() << endl;
// Noise-only digits in tracker/trigger (0=no noise, 1=default (noise in tracker), 2=noise in tracker and trigger):
cout << "****** DISABLING NOISE GENERATION AS WE DO EMBEDDING ******" << endl;
MUON->SetDigitizerWithNoise(0);
}
if (iPHOS)
{
//=================== PHOS parameters ===========================
AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
}
if (iPMD)
{
//=================== PMD parameters ============================
AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
}
if (iT0)
{
//=================== T0 parameters ============================
AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
}
if (iEMCAL)
{
//=================== EMCAL parameters ============================
AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
}
if (iACORDE)
{
//=================== ACORDE parameters ============================
AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
}
if (iVZERO)
{
//=================== ACORDE parameters ============================
AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
}
}
