void fastGen(Int_t nev = 1, char* filename = "gilc.root") { 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 // Example of charm generation taken from Config_PythiaHeavyFlavours.C IlcGenPythia *gener = new IlcGenPythia(-1); gener->SetEnergyCMS(14000.); gener->SetMomentumRange(0,999999); gener->SetPhiRange(0., 360.); gener->SetThetaRange(0.,180.); // gener->SetProcess(kPyCharmppMNR); // Correct Pt distribution, wrong mult gener->SetProcess(kPyMb); // Correct multiplicity, wrong Pt gener->SetStrucFunc(kCTEQ4L); gener->SetPtHard(2.1,-1.0); gener->SetFeedDownHigherFamily(kFALSE); gener->SetStack(stack); gener->Init(); // 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. IlcPythia * py= IlcPythia::Instance(); py->SetMDME(737,1,0); //forbid D*+->D+ + pi0 py->SetMDME(738,1,0);//forbid D*+->D+ + gamma // Forbid all D0 decays except D0->K- pi+ for(Int_t d=747; d<=762; d++){ py->SetMDME(d,1,0); } // decay 763 is D0->K- pi+ for(Int_t d=764; d<=807; d++){ py->SetMDME(d,1,0); } // // 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 Int_t nprim = 0; Int_t ntrial = 0; Int_t ndstar = 0; //------------------------------------------------------------------------------------- while(!ndstar) { // Selection of events with D* stack->Reset(); stack->ConnectTree(rl->TreeK()); gener->Generate(); ntrial++; nprim = stack->GetNprimary(); for(Int_t ipart =0; ipart < nprim; ipart++){ TParticle * part = stack->Particle(ipart); if(part) { if (TMath::Abs(part->GetPdgCode())== 413) { TArrayI daughtersId; GetFinalDecayProducts(ipart,*stack,daughtersId); Bool_t kineOK = kTRUE; Double_t thetaMin = TMath::Pi()/4; Double_t thetaMax = 3*TMath::Pi()/4; for (Int_t id=1; id<=daughtersId[0]; id++) { TParticle * daughter = stack->Particle(daughtersId[id]); if (!daughter) { kineOK = kFALSE; break; } Double_t theta = daughter->Theta(); if (theta<thetaMin || theta>thetaMax) { kineOK = kFALSE; break; } } if (!kineOK) continue; part->Print(); ndstar++; } } } } cout << "Number of particles " << nprim << endl; cout << "Number of trials " << ntrial << 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(); }
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 fastGen(Int_t nev = 1, char* filename = "gilc.root") { // 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(); // Generator IlcGenPythia *gener = new IlcGenPythia(-1); gener->SetMomentumRange(0,999999); gener->SetProcess(kPyMb); gener->SetEnergyCMS(14000.); gener->SetThetaRange(45, 135); gener->SetPtRange(0., 1000.); gener->SetStack(stack); gener->Init(); rl->CdGAFile(); // // Event Loop // for (Int_t iev = 0; iev < nev; iev++) { // Initialize event header->Reset(0,iev); rl->SetEventNumber(iev); stack->Reset(); rl->MakeTree("K"); // Generate event Int_t nprim = 0; Int_t ntrial = 0; Int_t minmult = 1000; while(nprim<minmult) { // Selection of events with multiplicity // bigger than "minmult" stack->Reset(); gener->Generate(); ntrial++; nprim = stack->GetNprimary(); } cout << "Number of particles " << nprim << endl; cout << "Number of trials " << ntrial << 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 // Termination // Generator gener->FinishRun(); // Stack stack->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(); }
TEveTrackList* kine_tracks(Double_t min_pt, Double_t min_p, Bool_t pdg_col, Bool_t recurse, Bool_t use_track_refs) { IlcRunLoader* rl = IlcEveEventManager::AssertRunLoader(); rl->LoadKinematics(); IlcStack* stack = rl->Stack(); if (!stack) { Error("kine_tracks", "can not get kinematics."); return 0; } gEve->DisableRedraw(); TEveTrackList* cont = new TEveTrackList("Kine Tracks"); cont->SetMainColor(3); TEveTrackPropagator* trkProp = cont->GetPropagator(); kine_track_propagator_setup(trkProp); gEve->AddElement(cont); Int_t count = 0; Int_t Np = stack->GetNprimary(); for (Int_t i = 0; i < Np; ++i) { TParticle* p = stack->Particle(i); if (p->GetStatusCode() <= 1) { if (p->Pt() < min_pt && p->P() < min_p) continue; ++count; IlcEveTrack* track = new IlcEveTrack(p, i, trkProp); //PH The line below is replaced waiting for a fix in Root //PH which permits to use variable siza arguments in CINT //PH on some platforms (alphalinuxgcc, solariscc5, etc.) //PH track->SetName(Form("%s [%d]", p->GetName(), i)); char form[1000]; sprintf(form,"%s [%d]", p->GetName(), i); track->SetName(form); track->SetStdTitle(); Int_t ml = p->GetMother(0); if (ml != -1) { track->SetTitle(Form("%s\nMother label=%d\nMother Pdg=%d", track->GetElementTitle(), ml, stack->Particle(ml)->GetPdgCode())); } set_track_color(track, pdg_col); gEve->AddElement(track, cont); if (recurse) kine_daughters(track, stack, min_pt, min_p, pdg_col, recurse); } } // set path marks IlcEveKineTools kt; kt.SetDaughterPathMarks(cont, stack, recurse); if (use_track_refs && rl->LoadTrackRefs() == 0) { kt.SetTrackReferences(cont, rl->TreeTR(), recurse); trkProp->SetEditPathMarks(kTRUE); } kt.SortPathMarks(cont, recurse); //PH const Text_t* tooltip = Form("min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count); char tooltip[1000]; sprintf(tooltip,"min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count); cont->SetTitle(tooltip); // Not broadcasted automatically ... cont->MakeTracks(recurse); gEve->EnableRedraw(); gEve->Redraw3D(); return cont; }