1 void sim(Int_t nev=1) {
2 const char * kYear = "08" ;
4 simu.SetMakeSDigits("TRD TOF PHOS HMPID EMCAL MUON FMD PMD T0 ZDC VZERO");
5 simu.SetMakeDigits ("TRD TOF PHOS HMPID EMCAL MUON FMD PMD T0 ZDC VZERO");
6 simu.SetMakeDigitsFromHits("ITS TPC");
7 simu.SetWriteRawData("ALL","raw.root",kTRUE);
8 // simu.SetDefaultStorage("alien://Folder=/alice/simulation/2007/PDC07_v4-09-Rev-00/Ideal/CDB/");
9 simu.SetDefaultStorage("local://$ALICE_ROOT");
10 simu.SetSpecificStorage("EMCAL/*","local://DB");
12 simu.SetRunQA("ALL:ALL") ;
13 AliQA::SetQARefStorage(Form("%s%s/", AliQA::GetQARefDefaultStorage(), kYear)) ;
14 AliQA::SetQARefDataDirName("Sim") ; //Data, Pedestals, BlackEvent, .....
26 TPythia6 *pythia = TPythia6::Instance();
28 Double_t xsection = pythia->GetPARI(1);
29 Int_t ntrials = pythia->GetMSTI(5);
31 TTree *tree = new TTree("Xsection","Pythia cross section");
32 TBranch *branch = tree->Branch("xsection", &xsection, "X/D");
33 TBranch *branch = tree->Branch("ntrials" , &ntrials , "X/i");
36 TFile *file = new TFile("pyxsec.root","recreate");
40 cout << "Pythia cross section: " << xsection
41 << ", number of trials: " << ntrials << endl;