void sim(Int_t nev=50) { if (gSystem->Getenv("SIM_EVENTS")) nev = atoi(gSystem->Getenv("SIM_EVENTS")); printf("GENERATE << %d >> events \n",nev); gROOT->LoadMacro("IpPion.C++") ; AliSimulation simulator; simulator.SetMakeSDigits("PHOS"); simulator.SetMakeDigits("PHOS"); // // Ideal OCDB // simulator.SetDefaultStorage("local://$ALICE_ROOT/OCDB"); simulator.SetDefaultStorage("local://./OCDB"); // simulator.SetSpecificStorage("GRP/GRP/Data", // Form("local://%s",gSystem->pwd())); // simulator.SetDefaultStorage("alien://Folder=/alice/simulation/2008/v4-15-Release/Ideal/"); //simulator.SetSpecificStorage("GRP/Calib/MeanVertexSPD", "alien://folder=/alice/data/2010/OCDB"); //PHOS bad map from RAW OCDB simulator.SetSpecificStorage("PHOS/*/*/","local://./OCDB"); // simulator.SetSpecificStorage("PHOS/Calib/EmcBadChannels/","local://./OCDB"); // simulator.SetSpecificStorage("PHOS/Calib/EmcGainPedestals/","local://./OCDB"); simulator.SetRunHLT(""); // simulator.SetSpecificStorage("GRP/GRP/Data", "alien://Folder=/alice/data/2010/OCDB"); AliPHOSSimParam *simParam = AliPHOSSimParam::GetInstance() ; simParam->SetAPDNoise(0.000001) ; simParam->SetCellNonLineairyA(0.001) ; // simParam->SetCellNonLineairyA(0.1) ; //Default simParam->SetCellNonLineairyB(0.2) ; // simParam->SetCellNonLineairyC(0.989) ; //Jan4 // simParam->SetCellNonLineairyC(0.995) ; //Jan5 - 2GeV simParam->SetCellNonLineairyC(1.031) ; //no NL // Vertex and Mag.field from OCDB // simulator.UseVertexFromCDB(); simulator.UseMagFieldFromGRP(); simulator.SetRunQA(":") ; // // The rest TStopwatch timer; timer.Start(); simulator.Run(nev); timer.Stop(); timer.Print(); }
void Config() { // Get settings from environment variables ProcessEnvironmentVars(); gRandom->SetSeed(seed); cerr<<"Seed for random number generation= "<<seed<<endl; // Libraries required by geant321 #if defined(__CINT__) gSystem->Load("liblhapdf"); // Parton density functions gSystem->Load("libEGPythia6"); // TGenerator interface gSystem->Load("libpythia6"); // Pythia gSystem->Load("libAliPythia6"); // ALICE specific implementations gSystem->Load("libgeant321"); #endif new TGeant3TGeo("C++ Interface to Geant3"); //======================================================================= // Create the output file AliRunLoader* rl=0x0; cout<<"Config.C: Creating Run Loader ..."<<endl; rl = AliRunLoader::Open("galice.root", AliConfig::GetDefaultEventFolderName(), "recreate"); if (rl == 0x0) { gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); return; } rl->SetCompressionLevel(2); rl->SetNumberOfEventsPerFile(1000); gAlice->SetRunLoader(rl); // gAlice->SetGeometryFromFile("geometry.root"); // gAlice->SetGeometryFromCDB(); // Set the trigger configuration: proton-proton gAlice->SetTriggerDescriptor("p-p"); // //======================================================================= // ************* STEERING parameters FOR ALICE SIMULATION ************** // --- Specify event type to be tracked through the ALICE 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); //======================// // Set External decayer // //======================// TVirtualMCDecayer* decayer = new AliDecayerPythia(); decayer->SetForceDecay(kAll); decayer->Init(); gMC->SetExternalDecayer(decayer); //=========================// // Generator Configuration // //=========================// AliGenerator* gener = 0x0; if (proc == kPythia6) { gener = MbPythia(); } else if (proc == kPhojet) { gener = MbPhojet(); } // PRIMARY VERTEX // gener->SetOrigin(0., 0., 0.); // vertex position // // // Size of the interaction diamond // Longitudinal Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm] if (energy == 900) sigmaz = 10.5 / TMath::Sqrt(2.); // [cm] // // Transverse Float_t betast = 10; // beta* [m] Float_t eps = 3.75e-6; // emittance [m] Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1] Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm] printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position gener->SetCutVertexZ(3.); // Truncate at 3 sigma gener->SetVertexSmear(kPerEvent); gener->Init(); // FIELD // AliMagWrapCheb* field = 0x0; if (mag == kNoField) { comment = comment.Append(" | L3 field 0.0 T"); field = new AliMagWrapCheb("Maps","Maps", 2, 0., 10., AliMagWrapCheb::k2kG); } else if (mag == k5kG) { comment = comment.Append(" | L3 field 0.5 T"); field = new AliMagWrapCheb("Maps","Maps", 2, 1., 10., AliMagWrapCheb::k5kG); } printf("\n \n Comment: %s \n \n", comment.Data()); rl->CdGAFile(); gAlice->SetField(field); Int_t iABSO = 1; Int_t iACORDE= 0; Int_t iDIPO = 1; Int_t iEMCAL = 0; 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 = 0; 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 iVZERO = 1; Int_t iZDC = 1; //=================== Alice BODY parameters ============================= AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); if (iMAG) { //=================== MAG parameters ============================ // --- Start with Magnet since detector layouts may be depending --- // --- on the selected Magnet dimensions --- AliMAG *MAG = new AliMAG("MAG", "Magnet"); } if (iABSO) { //=================== ABSO parameters ============================ AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); } if (iDIPO) { //=================== DIPO parameters ============================ AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); } if (iHALL) { //=================== HALL parameters ============================ AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); } if (iFRAME) { //=================== FRAME parameters ============================ AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); FRAME->SetHoles(1); } if (iSHIL) { //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); } if (iPIPE) { //=================== PIPE parameters ============================ AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); } if (iITS) { //=================== ITS parameters ============================ AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid"); } if (iTPC) { //============================ TPC parameters ===================== AliTPC *TPC = new AliTPCv2("TPC", "Default"); } if (iTOF) { //=================== TOF parameters ============================ AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); } if (iHMPID) { //=================== HMPID parameters =========================== AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); } if (iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); } if (iTRD) { //=================== TRD parameters ============================ AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); AliTRDgeometry *geoTRD = TRD->GetGeometry(); // Partial geometry: modules at 0,8,9,17 // starting at 3h in positive direction geoTRD->SetSMstatus(1,0); geoTRD->SetSMstatus(2,0); geoTRD->SetSMstatus(3,0); geoTRD->SetSMstatus(4,0); geoTRD->SetSMstatus(5,0); geoTRD->SetSMstatus(6,0); geoTRD->SetSMstatus(7,0); geoTRD->SetSMstatus(10,0); geoTRD->SetSMstatus(11,0); geoTRD->SetSMstatus(12,0); geoTRD->SetSMstatus(13,0); geoTRD->SetSMstatus(14,0); geoTRD->SetSMstatus(15,0); geoTRD->SetSMstatus(16,0); } if (iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); } if (iMUON) { //=================== MUON parameters =========================== // New MUONv1 version (geometry defined via builders) AliMUON *MUON = new AliMUONv1("MUON", "default"); } if (iPHOS) { //=================== PHOS parameters =========================== AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); //Set simulation parameters different from the default ones. AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance() ; // APD noise of warm (+20C) PHOS: // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C, // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C, // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C, // Y = MeanLightYield*APDEfficiency. Float_t apdNoise = 0.012*2.5; simEmc->SetAPDNoise(apdNoise); //Raw Light Yield at +20C simEmc->SetMeanLightYield(18800); //ADC channel width at +18C. simEmc->SetADCchannelW(0.0125); } if (iPMD) { //=================== PMD parameters ============================ AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); } if (iT0) { //=================== T0 parameters ============================ AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); } if (iEMCAL) { //=================== EMCAL parameters ============================ AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG"); } if (iACORDE) { //=================== ACORDE parameters ============================ AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); } if (iVZERO) { //=================== ACORDE parameters ============================ AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); } }