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 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();
}