+++ /dev/null
-#include "TStopwatch.h"
-#include "Riostream.h"
-#include "TFile.h"
-
-int runFlowOnTheFlyGlauber(Int_t nevents=100000, Int_t iseed=1)
-{
- gSystem->Load("libGeom");
- gSystem->Load("libVMC");
- gSystem->Load("libXMLIO");
- gSystem->Load("libPhysics");
- gSystem->Load("libPWG2flowCommon");
- gSystem->Load("libPWG2flowTools");
-
- fMyTRandom3 = new TRandom3(iseed);
- gRandom->SetSeed(iseed);
- TFile *outputFile = new TFile("flowOnTheFlyGlauber.root","RECREATE");
-
- TStopwatch timer;
- timer.Start();
-
- runOneCentrality(3,nevents);
- runOneCentrality(4,nevents);
- runOneCentrality(5,nevents);
-
- outputFile->Close();
- delete outputFile;
-
- cout<<endl; cout<<" ---- Fini ---- "<<endl; cout<<endl;
- timer.Stop(); timer.Print();
-}
-
-void runOneCentrality(Int_t centrality=3, Int_t nEvts=100)
-{
-
- //centralities: 0: 0-5
- // 1: 5-10
- // 2: 10-20
- // 3: 20-30
- // 4: 30-40
- // 5: 40-50
- // 6: 50-60
- // 7: 60-70
- // 8: 70-80
-
- Double_t centPerc[] = {0,5,10,20,30,40,50,60,70,80};
- Double_t xCross[] = {2.5,7.5,15.,25.,35.,45.,55.,65.,75.};
- Double_t xCrossErr[9] = {0.};
- Double_t impact[] = {0., 3.5, 4.95, 6.98, 8.55, 9.88, 11.4, 12.09, 13.06, 13.97};
- Double_t npart[] = {1000, 356, 305, 220, 155, 105, 67, 40, 21, 10, 4, 0};
-
- Option_t *sysA="Pb";
- Option_t *sysB="Pb";
- Double_t signn=64; // inelastic nucleon nucleon cross section
- //const char *fname="GlauberMC_PbPb_ntuple.root"; // name output file
- // AliGlauberMC::RunAndSaveNtuple(nevents,sysA,sysB,signn);
- // run the code to produce an ntuple:
-
- Double_t mind=0.4;
- Double_t r=6.62;
- Double_t a=0.546;
-
- AliGlauberMC glauber(sysA,sysB,signn);
- glauber.SetMinDistance(mind);
- glauber.Setr(r);
- glauber.Seta(a);
- glauber.SetDoPartProduction(kTRUE);
- glauber.SetBmin(impact[centrality]);
- glauber.SetBmax(impact[centrality+1]);
- glauber.SetdNdEtaType(AliGlauberMC::kNBDSV);
- glauber.GetdNdEtaParam()[0] = 2.49; //npp
- glauber.GetdNdEtaParam()[1] = 1.7; //ratioSgm2Mu
- glauber.GetdNdEtaParam()[2] = 0.13; //xhard
-
-
- AliFlowAnalysisWithMCEventPlane* mcep2 = new AliFlowAnalysisWithMCEventPlane();
- mcep2->SetHarmonic(2); // default is v2
- mcep2->Init();
- AliFlowAnalysisWithMCEventPlane* mcep3 = new AliFlowAnalysisWithMCEventPlane();
- mcep3->SetHarmonic(3); // default is v3
- mcep3->Init();
- AliFlowAnalysisWithMCEventPlane* mcep4 = new AliFlowAnalysisWithMCEventPlane();
- mcep4->SetHarmonic(4); // default is v4
- mcep4->Init();
- AliFlowAnalysisWithMCEventPlane* mcep5 = new AliFlowAnalysisWithMCEventPlane();
- mcep5->SetHarmonic(5); // default is v5
- mcep5->Init();
-
- AliFlowAnalysisWithScalarProduct* sp2 = new AliFlowAnalysisWithScalarProduct();
- sp2->SetHarmonic(2);
- sp2->Init();
- AliFlowAnalysisWithScalarProduct* sp3 = new AliFlowAnalysisWithScalarProduct();
- sp3->SetHarmonic(3);
- sp3->Init();
- AliFlowAnalysisWithScalarProduct* sp4 = new AliFlowAnalysisWithScalarProduct();
- sp4->SetHarmonic(4);
- sp4->Init();
- AliFlowAnalysisWithScalarProduct* sp5 = new AliFlowAnalysisWithScalarProduct();
- sp5->SetHarmonic(5);
- sp5->Init();
-
- AliFlowAnalysisWithQCumulants* qc2 = new AliFlowAnalysisWithQCumulants();
- qc2->SetHarmonic(2);
- qc2->Init();
- AliFlowAnalysisWithQCumulants* qc3 = new AliFlowAnalysisWithQCumulants();
- qc3->SetHarmonic(3);
- qc3->Init();
- AliFlowAnalysisWithQCumulants* qc4 = new AliFlowAnalysisWithQCumulants();
- qc4->SetHarmonic(4);
- qc4->Init();
- AliFlowAnalysisWithQCumulants* qc5 = new AliFlowAnalysisWithQCumulants();
- qc5->SetHarmonic(5);
- qc5->Init();
-
- TH1F* histv2 = new TH1F(Form("v2 spread %.0f-%.0f",centPerc[centrality],centPerc[centrality+1]),"v_{2}",100,0,0.5);
- TH1F* histv3 = new TH1F(Form("v3 spread %.0f-%.0f",centPerc[centrality],centPerc[centrality+1]),"v_{3}",100,0,0.5);
- TH1F* histv4 = new TH1F(Form("v4 spread %.0f-%.0f",centPerc[centrality],centPerc[centrality+1]),"v_{4}",100,0,0.5);
- TH1F* histv5 = new TH1F(Form("v5 spread %.0f-%.0f",centPerc[centrality],centPerc[centrality+1]),"v_{5}",100,0,0.5);
-
- AliFlowTrackSimpleCuts *cutsRP = new AliFlowTrackSimpleCuts();
- cutsRP->SetPtMin(0.2);
- cutsRP->SetPtMax(5.0);
- AliFlowTrackSimpleCuts *cutsPOI = new AliFlowTrackSimpleCuts();
- cutsPOI->SetPtMin(0.2);
- cutsPOI->SetPtMax(10.0);
-
- Printf("starting the main event loop..");
- for(Int_t i=0; i<nEvts; i++)
- {
- if (!glauber.NextEvent()) continue;
- Double_t mult = glauber.GetdNdEta();
- Double_t v2 = 0.2*glauber.GetEpsilon2Part(); histv2->Fill(v2);
- Double_t v3 = 0.18*glauber.GetEpsilon3Part(); histv3->Fill(v3);
- Double_t v4 = 0.09*glauber.GetEpsilon4Part(); histv4->Fill(v4);
- Double_t v5 = 0.03*glauber.GetEpsilon5Part(); histv5->Fill(v5);
-
- AliFlowEventSimple* event = new AliFlowEventSimple(mult,AliFlowEventSimple::kGenerate);
- event->SetMCReactionPlaneAngle(0.);
- event->AddFlow(0,v2,v3,v4,v5);
- event->TagRP(cutsRP);
- event->TagPOI(cutsPOI);
-
- // do flow analysis for various methods:
- mcep2->Make(event);
- mcep3->Make(event);
- mcep4->Make(event);
- mcep5->Make(event);
- sp2->Make(event);
- sp3->Make(event);
- sp4->Make(event);
- sp5->Make(event);
- qc2->Make(event);
- qc3->Make(event);
- qc4->Make(event);
- qc5->Make(event);
- cout <<"Event: " << i+1 << "\r"; cout.flush();
- delete event;
- } // end of for(Int_t i=0;i<nEvts;i++)
-
- // calculate the final results
- mcep2->Finish();
- mcep3->Finish();
- mcep4->Finish();
- mcep5->Finish();
- sp2->Finish();
- sp3->Finish();
- sp4->Finish();
- sp5->Finish();
- qc2->Finish();
- qc3->Finish();
- qc4->Finish();
- qc5->Finish();
-
- // open a new file which will hold the final results of all methods:
- const Int_t nMethods = 12;
- TString method[nMethods] = {"v2 MCEP","v3 MCEP","v4 MCEP","v5 MCEP","v2 SP","v3 SP","v4 SP","v5 SP","v2 QC","v3 QC","v4 QC","v5 QC"};
- TDirectoryFile *dirFileFinal[nMethods] = {NULL};
- TString fileName[nMethods];
- for(Int_t i=0; i<nMethods; i++)
- {
- // form a file name for each method:
- fileName[i]+=method[i].Data();
- fileName[i]+=Form(" %.0f-%.0f",centPerc[centrality],centPerc[centrality+1]);
- dirFileFinal[i] = new TDirectoryFile(fileName[i].Data(),fileName[i].Data());
- }
-
- // store the final results
- mcep2->WriteHistograms(dirFileFinal[0]);
- mcep3->WriteHistograms(dirFileFinal[1]);
- mcep4->WriteHistograms(dirFileFinal[2]);
- mcep5->WriteHistograms(dirFileFinal[3]);
- sp2->WriteHistograms(dirFileFinal[4]);
- sp3->WriteHistograms(dirFileFinal[5]);
- sp4->WriteHistograms(dirFileFinal[6]);
- sp5->WriteHistograms(dirFileFinal[7]);
- qc2->WriteHistograms(dirFileFinal[8]);
- qc3->WriteHistograms(dirFileFinal[9]);
- qc4->WriteHistograms(dirFileFinal[10]);
- qc5->WriteHistograms(dirFileFinal[11]);
-
- histv2->Write();
- histv3->Write();
- histv4->Write();
- histv5->Write();
-}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff