void genExtFileConfig()
{
cout << "Running genExtFileConfig.C ... " << endl;
//=======================================================================
// Steering parameters for ILC simulation
//=======================================================================
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);
//=======================================================================
// External decayer
//=======================================================================
TVirtualMCDecayer *decayer = new IlcDecayerPythia();
decayer->SetForceDecay(kAll);
decayer->Init();
/*
//forbid some decays
IlcPythia * py= IlcPythia::Instance();
py->SetMDME(737,1,0); //forbid D*+->D+ + pi0
py->SetMDME(738,1,0);//forbid D*+->D+ + gamma
for(Int_t d=747; d<=762; d++){
py->SetMDME(d,1,0);
}
for(Int_t d=764; d<=807; d++){
py->SetMDME(d,1,0);
}
*/
gMC->SetExternalDecayer(decayer);
//=======================================================================
// Event generator
//=======================================================================
// External generator configuration
IlcGenerator* gener = GeneratorFactory();
gener->SetOrigin(0, 0, 0); // vertex position
//gener->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
//gener->SetCutVertexZ(1.); // Truncate at 1 sigma
//gener->SetVertexSmear(kPerEvent);
gener->SetTrackingFlag(1);
gener->Init();
cout << "Running genExtFileConfig.C finished ... " << endl;
}
void GeneratorFactory(PprRun_t srun) {
IlcGenerator * gGener = 0x0;
typedef enum { kNoSmear, kPerEvent, kPerTrack } VertexSmear_t;
comment = comment.Append("*** GENERATOR: ");
switch (srun) {
//Particle Type specified by user
/****************************************************
* // Particles type
* // PDG Name
* // 22 // photon
* // -11 // positron
* // 11 // electron
* // 12 // neutrino e
* // -13 // muon +
* // 13 // muon -
* // 111 // pi0
* // 211 // pi+
* // -211 // pi-
* // 130 // Kaon Long
* // 321 // Kaon +
* // -321 // Kaon -
* // 2112 // Neutron
* // 2212 // Proton
* // -2212 // Anti Proton
* // 310 // Kaon Short
****************************************************/
case kGenFixed:
//*******************************************************
// Example of fixed particle gun *
//*******************************************************
//Fixed momentum, phi, theta and vertex position specified by the user:
//SetMomentum(momentum)
//SetPhi(phi)
//SetTheta(theta)
//Particle Type specified by user:
//SetPart(ipart)
{
Int_t nParticles=1;
IlcGenFixed *gener = new IlcGenFixed(nParticles);
Int_t PDG=321; //set the PDG code of particle
gener->SetPart(PDG);
Double_t pmom = 1.e-5;
gener->SetMomentum(pmom);
Double_t phi = 90.;
gener->SetPhi(phi);
Double_t theta = 2.;
gener->SetTheta(theta);
const TParticlePDG *ap = TDatabasePDG::Instance()->GetParticle(PDG);
char *name = ap->GetName();
comment = comment.Append(Form ("IlcGenFixed for %d %s (%f GeV/c) with phi %f and theta %f\n", nParticles,name,pmom,phi,theta));
gGener=gener;
// gGener->SetOrigin(0., 0., -20.); // vertex position
// gGener->SetSigma(0, 0, 2.); // Sigma in (X,Y,Z) (cm) on IP position
// gGener->SetCutVertexZ(1.); // Truncate at 1 sigma
// gGener->SetVertexSmear(kPerTrack);
}
break;
case kGenBox:
//*******************************************************
// Example moving particle gun *
//*******************************************************
//Random generation of momentum (transverse momentum), phi and theta in user specified range.
//Gaussian smearing of vertex either per event or per track.
{
Int_t nParticles=1;
IlcGenBox *gener = new IlcGenBox(nParticles);
Int_t PDG=321; //set the PDG code of particle
gener->SetPart(PDG);
Double_t pmin = 0.;
Double_t pmax = 1.e-7;
gener->SetMomentumRange(pmin,pmax);
Double_t phimin = 0.0;
Double_t phimax = 360.0;
gener->SetPhiRange(phimin,phimax);
Float_t thmin = 0.;
Float_t thmax = 3.;
gener->SetThetaRange(thmin,thmax);
const TParticlePDG *ap = TDatabasePDG::Instance()->GetParticle(PDG);
char *name = ap->GetName();
comment = comment.Append(Form ("IlcGenBox for %d %s (%f GeV/c-%f GeV/c) within phi %f-%f and theta %f-%f\n", nParticles,name,pmin,pmax,phimin,phimax,thmin,thmax));
gGener=gener;
// gGener->SetOrigin(0., 0., -10.); // vertex position
// gGener->SetSigma(0, 0, 2.); // Sigma in (X,Y,Z) (cm) on IP position
// gGener->SetCutVertexZ(1.); // Truncate at 1 sigma
// gGener->SetVertexSmear(kPerTrack);
}
break;
case kCocktail:
//*******************************************************
// Example of Cocktail of particles *
//*******************************************************
{
comment = comment.Append(": Cocktail of one muon and one pion from GenFixed generator\n");
IlcGenCocktail *gener = new IlcGenCocktail();
// gener->SetOrigin(0., 0., -10.); // vertex position
// gener->SetSigma(0, 0, 1.); // Sigma in (X,Y,Z) (cm) on IP position
// gener->SetCutVertexZ(1.); // Truncate at 1 sigma
// gener->SetVertexSmear(kPerTrack);
IlcGenFixed *muon = new IlcGenFixed(1);
muon->SetPart(-13);
muon->SetMomentum(2.);
muon->SetPhi(90.);
muon->SetTheta(80.);
IlcGenFixed *pion = new IlcGenFixed(1);
pion->SetPart(211);
pion->SetMomentum(2.);
pion->SetPhi(35.);
pion->SetTheta(85.);
gener->AddGenerator(muon,"muon",1);
gener->AddGenerator(pion,"pion",1);
gGener=gener;
}
break;
default: break;
}
gGener->Init();
}
void fastGenPA(Int_t nev = 1, char* filename = "gilc.root")
{
// Runloader
IlcRunLoader* rl = IlcRunLoader::Open("gilc.root", "FASTRUN", "recreate");
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(10000);
rl->LoadKinematics("RECREATE");
rl->MakeTree("E");
gIlc->SetRunLoader(rl);
// Create stack
rl->MakeStack();
IlcStack* stack = rl->Stack();
// Header
IlcHeader* header = rl->GetHeader();
// Create and Initialize Generator
IlcGenerator *gener = CreateGenerator();
gener->Init();
gener->SetStack(stack);
//
// Event Loop
//
Int_t iev;
for (iev = 0; iev < nev; iev++) {
printf("\n \n Event number %d \n \n", iev);
// Initialize event
header->Reset(0,iev);
rl->SetEventNumber(iev);
stack->Reset();
rl->MakeTree("K");
// Generate event
gener->Generate();
// Analysis
Int_t npart = stack->GetNprimary();
printf("Analyse %d Particles\n", npart);
for (Int_t part=0; part<npart; part++) {
TParticle *MPart = stack->Particle(part);
Int_t mpart = MPart->GetPdgCode();
}
// Finish event
header->SetNprimary(stack->GetNprimary());
header->SetNtrack(stack->GetNtrack());
// I/O
//
stack->FinishEvent();
header->SetStack(stack);
rl->TreeE()->Fill();
rl->WriteKinematics("OVERWRITE");
} // event loop
//
// Termination
// Generator
gener->FinishRun();
// Write file
rl->WriteHeader("OVERWRITE");
gener->Write();
rl->Write();
}
void Config()
{
// ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
// Theta range given through pseudorapidity limits 22/6/2001
// Set Random Number seed
gRandom->SetSeed(sseed);
cout<<"Seed for random number generation= "<<gRandom->GetSeed()<<endl;
// libraries required by geant321 and Pythia6
#if defined(__CINT__)
gSystem->Load("liblhapdf.so"); // Parton density functions
gSystem->Load("libEGPythia6.so"); // TGenerator interface
gSystem->Load("libpythia6.so"); // Pythia
gSystem->Load("libIlcPythia6.so"); // ILC specific implementations
gSystem->Load("libgeant321");
#endif
new TGeant3TGeo("C++ Interface to Geant3");
IlcRunLoader* rl=0x0;
cout<<"Config.C: Creating Run Loader ..."<<endl;
rl = IlcRunLoader::Open("gilc.root",
IlcConfig::GetDefaultEventFolderName(),
"recreate");
if (rl == 0x0)
{
gIlc->Fatal("Config.C","Can not instatiate the Run Loader");
return;
}
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(100);
gIlc->SetRunLoader(rl);
// Set the trigger configuration
IlcSimulation::Instance()->SetTriggerConfig(pprTrigConfName[strig]);
cout<<"Trigger configuration is set to "<<pprTrigConfName[strig]<<endl;
//
// Set External decayer
IlcDecayer *decayer = new IlcDecayerPythia();
decayer->SetForceDecay(kAll);
decayer->Init();
//forbid some decays
IlcPythia * py= IlcPythia::Instance();
py->SetMDME(737,1,0); //forbid D*+->D+ + pi0
py->SetMDME(738,1,0);//forbid D*+->D+ + gamma
for(Int_t d=747; d<=762; d++){
py->SetMDME(d,1,0);
}
for(Int_t d=764; d<=807; d++){
py->SetMDME(d,1,0);
}
gMC->SetExternalDecayer(decayer);
//
//
//=======================================================================
//
//=======================================================================
// ************* STEERING parameters FOR ILC SIMULATION **************
// --- Specify event type to be tracked through the ILC 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);
// Debug and log level
// IlcLog::SetGlobalDebugLevel(0);
// IlcLog::SetGlobalLogLevel(IlcLog::kError);
// Generator Configuration
IlcGenerator* gener = GeneratorFactory();
gener->SetOrigin(0, 0, 0); // vertex position
gener->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
gener->SetCutVertexZ(1.); // Truncate at 1 sigma
gener->SetVertexSmear(kPerEvent);
gener->SetTrackingFlag(1);
gener->Init();
if (smag == IlcMagF::k2kG) {
comment = comment.Append(" | L3 field 0.2 T");
} else if (smag == IlcMagF::k5kG) {
comment = comment.Append(" | L3 field 0.5 T");
}
if (srad == kGluonRadiation)
{
comment = comment.Append(" | Gluon Radiation On");
} else {
comment = comment.Append(" | Gluon Radiation Off");
}
printf("\n \n Comment: %s \n \n", comment.Data());
// Field (L3 0.4 T)
IlcMagF* field = new IlcMagF("Maps","Maps",-1., -1., smag);
TGeoGlobalMagField::Instance()->SetField(field);
rl->CdGAFile();
//
Int_t iABSO = 1;
Int_t iDIPO = 1;
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 = 1;
Int_t iPIPE = 1;
Int_t iPMD = 1;
Int_t iHMPID = 1;
Int_t iSHIL = 1;
Int_t iT0 = 1;
Int_t iTOF = 1;
Int_t iTPC = 1;
Int_t iTRD = 1;
Int_t iZDC = 1;
Int_t iEMCAL = 1;
Int_t iVZERO = 1;
Int_t iACORDE = 0;
//=================== Ilc BODY parameters =============================
IlcBODY *BODY = new IlcBODY("BODY", "Ilc envelop");
if (iMAG)
{
//=================== MAG parameters ============================
// --- Start with Magnet since detector layouts may be depending ---
// --- on the selected Magnet dimensions ---
IlcMAG *MAG = new IlcMAG("MAG", "Magnet");
}
if (iABSO)
{
//=================== ABSO parameters ============================
IlcABSO *ABSO = new IlcABSOv3("ABSO", "Muon Absorber");
}
if (iDIPO)
{
//=================== DIPO parameters ============================
IlcDIPO *DIPO = new IlcDIPOv3("DIPO", "Dipole version 3");
}
if (iHALL)
{
//=================== HALL parameters ============================
IlcHALL *HALL = new IlcHALLv3("HALL", "Ilc Hall");
}
if (iFRAME)
{
//=================== FRAME parameters ============================
IlcFRAMEv2 *FRAME = new IlcFRAMEv2("FRAME", "Space Frame");
FRAME->SetHoles(1);
}
if (iSHIL)
{
//=================== SHIL parameters ============================
IlcSHIL *SHIL = new IlcSHILv3("SHIL", "Shielding Version 3");
}
if (iPIPE)
{
//=================== PIPE parameters ============================
IlcPIPE *PIPE = new IlcPIPEv3("PIPE", "Beam Pipe");
}
if (iITS)
{
//=================== ITS parameters ============================
IlcITS *ITS = new IlcITSv11("ITS","ITS v11");
}
if (iTPC)
{
//============================ TPC parameters =====================
IlcTPC *TPC = new IlcTPCv2("TPC", "Default");
}
if (iTOF) {
//=================== TOF parameters ============================
IlcTOF *TOF = new IlcTOFv6T0("TOF", "normal TOF");
}
if (iHMPID)
{
//=================== HMPID parameters ===========================
IlcHMPID *HMPID = new IlcHMPIDv3("HMPID", "normal HMPID");
}
if (iZDC)
{
//=================== ZDC parameters ============================
IlcZDC *ZDC = new IlcZDCv4("ZDC", "normal ZDC");
}
if (iTRD)
{
//=================== TRD parameters ============================
IlcTRD *TRD = new IlcTRDv1("TRD", "TRD slow simulator");
}
if (iFMD)
{
//=================== FMD parameters ============================
IlcFMD *FMD = new IlcFMDv1("FMD", "normal FMD");
}
if (iMUON)
{
//=================== MUON parameters ===========================
// New MUONv1 version (geometry defined via builders)
IlcMUON *MUON = new IlcMUONv1("MUON", "default");
}
//=================== PHOS parameters ===========================
if (iPHOS)
{
IlcPHOS *PHOS = new IlcPHOSv1("PHOS", "IHEP");
}
if (iPMD)
{
//=================== PMD parameters ============================
IlcPMD *PMD = new IlcPMDv1("PMD", "normal PMD");
}
if (iT0)
{
//=================== T0 parameters ============================
IlcT0 *T0 = new IlcT0v1("T0", "T0 Detector");
}
if (iEMCAL)
{
//=================== EMCAL parameters ============================
IlcEMCAL *EMCAL = new IlcEMCALv2("EMCAL", "EMCAL_COMPLETEV1");
}
if (iACORDE)
{
//=================== ACORDE parameters ============================
IlcACORDE *ACORDE = new IlcACORDEv1("ACORDE", "normal ACORDE");
}
if (iVZERO)
{
//=================== VZERO parameters ============================
IlcVZERO *VZERO = new IlcVZEROv7("VZERO", "normal VZERO");
}
}
void gen(Int_t nev = 1, char* filename = "gilc.root")
{
// Load libraries
// gSystem->SetIncludePath("-I$ROOTSYS/include -I$ILC_ROOT/include -I$ILC_ROOT");
gSystem->Load("liblhapdf.so"); // Parton density functions
gSystem->Load("libEGPythia6.so"); // TGenerator interface
gSystem->Load("libpythia6.so"); // Pythia
gSystem->Load("libIlcPythia6.so"); // ILC specific implementations
IlcPDG::AddParticlesToPdgDataBase();
TDatabasePDG::Instance();
// Run loader
IlcRunLoader* rl = IlcRunLoader::Open("gilc.root","FASTRUN","recreate");
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(nev);
rl->LoadKinematics("RECREATE");
rl->MakeTree("E");
gIlc->SetRunLoader(rl);
// Create stack
rl->MakeStack();
IlcStack* stack = rl->Stack();
// Header
IlcHeader* header = rl->GetHeader();
// Create and Initialize Generator
gROOT->LoadMacro("$ILC_ROOT/test/vmctest/ppbench/genPPbenchConfig.C");
IlcGenerator* gener = genPPbenchConfig();
// Go to gilc.root
rl->CdGAFile();
// Forbid some decays. Do it after gener->Init(0, because
// the initialization of the generator includes reading of the decay table.
// ...
//
// Event Loop
//
TStopwatch timer;
timer.Start();
for (Int_t iev = 0; iev < nev; iev++) {
cout <<"Event number "<< iev << endl;
// Initialize event
header->Reset(0,iev);
rl->SetEventNumber(iev);
stack->Reset();
rl->MakeTree("K");
// Generate event
stack->Reset();
stack->ConnectTree(rl->TreeK());
gener->Generate();
cout << "Number of particles " << stack->GetNprimary() << endl;
// Finish event
header->SetNprimary(stack->GetNprimary());
header->SetNtrack(stack->GetNtrack());
// I/O
stack->FinishEvent();
header->SetStack(stack);
rl->TreeE()->Fill();
rl->WriteKinematics("OVERWRITE");
} // event loop
timer.Stop();
timer.Print();
// Termination
// Generator
gener->FinishRun();
// Write file
rl->WriteHeader("OVERWRITE");
gener->Write();
rl->Write();
}