void Config() { new AliGeant3("C++ Interface to Geant3"); //======================================================================= // Create the output file TFile *rootfile = new TFile("galice.root","recreate"); rootfile->SetCompressionLevel(2); TGeant3 *geant3 = (TGeant3*)gMC; // // Set External decayer AliDecayer* decayer = new AliDecayerPythia(); decayer->SetForceDecay(all); decayer->Init(); gMC->SetExternalDecayer(decayer); // // //======================================================================= // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* geant3->SetTRIG(1); //Number of events to be processed geant3->SetSWIT(4,10); geant3->SetDEBU(0,0,1); //geant3->SetSWIT(2,2); geant3->SetDCAY(1); geant3->SetPAIR(1); geant3->SetCOMP(1); geant3->SetPHOT(1); geant3->SetPFIS(0); geant3->SetDRAY(0); geant3->SetANNI(1); geant3->SetBREM(1); geant3->SetMUNU(1); geant3->SetCKOV(1); geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) geant3->SetLOSS(2); geant3->SetMULS(1); geant3->SetRAYL(1); geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) geant3->SetERAN(5.e-7); Float_t cut = 1.e-3; // 1MeV cut by default Float_t tofmax = 1.e10; // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX geant3->SetCUTS(cut,cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax); // //======================================================================= // ************* 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 AliGenHIJINGpara *gener = new AliGenHIJINGpara(50); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(10,170); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position gener->Init(); // // Activate this line if you want the vertex smearing to happen // track by track // //gener->SetVertexSmear(perTrack); gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) Int_t iMAG=1; Int_t iITS=1; Int_t iTPC=1; Int_t iTOF=1; Int_t iRICH=1; Int_t iZDC=0; Int_t iCASTOR=1; Int_t iTRD=1; Int_t iABSO=1; Int_t iDIPO=1; Int_t iHALL=1; Int_t iFRAME=1; Int_t iSHIL=1; Int_t iPIPE=1; Int_t iFMD=1; Int_t iMUON=1; Int_t iPHOS=1; Int_t iPMD=1; Int_t iSTART=0; //=================== 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 AliABSOv0("ABSO","Muon Absorber"); } if(iDIPO) { //=================== DIPO parameters ============================ AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); } if(iHALL) { //=================== HALL parameters ============================ AliHALL *HALL = new AliHALL("HALL","Alice Hall"); } if(iFRAME) { //=================== FRAME parameters ============================ AliFRAME *FRAME = new AliFRAMEv1("FRAME","Space Frame"); } if(iSHIL) { //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHILv0("SHIL","Shielding"); } if(iPIPE) { //=================== PIPE parameters ============================ AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); } if(iITS) { //=================== ITS parameters ============================ // // EUCLID is a flag to output (=1) both geometry and media to two ASCII files // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format // understandable to the CAD system EUCLID. The default (=0) means that you // dont want to use this facility. // AliITS *ITS = new AliITSv5("ITS","normal ITS"); ITS->SetEUCLID(0); } if(iTPC) { //============================ TPC parameters ================================ // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) // --- sectors are specified, any value other than that requires at least one // --- sector (lower or upper)to be specified! // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) // --- SecLows - number of lower sectors specified (up to 6) // --- SecUps - number of upper sectors specified (up to 12) // --- Sens - sensitive strips for the Slow Simulator !!! // --- This does NOT work if all S or L-sectors are specified, i.e. // --- if SecAL or SecAU < 0 // // //----------------------------------------------------------------------------- // gROOT->LoadMacro("SetTPCParam.C"); // AliTPCParam *param = SetTPCParam(); AliTPC *TPC = new AliTPCv1("TPC","Default"); //v1 is default // TPC->SetParam(param); // pass the parameter object to the TPC // set gas mixture //TPC->SetGasMixt(2,20,10,-1,0.9,0.1,0.); //TPC->SetSecAL(4); //TPC->SetSecAU(4); //TPC->SetSecLows(1, 2, 3, 19, 20, 21); //TPC->SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1); //TPC->SetSens(1); //if (TPC->IsVersion()==1) param->Write(param->GetTitle()); } if(iTOF) { //=================== TOF parameters ============================ AliTOF *TOF = new AliTOFv1("TOF","normal TOF"); } if(iRICH) { //=================== RICH parameters =========================== AliRICH *RICH = new AliRICHv1("RICH","normal RICH"); } if(iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC"); } if(iCASTOR) { //=================== CASTOR parameters ============================ AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR"); } if(iTRD) { //=================== TRD parameters ============================ AliTRD *TRD = new AliTRDv0("TRD","TRD fast simulator"); //TRD->SetHits(); //AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator"); //TRD->SetSensPlane(0); //TRD->SetSensChamber(2); //TRD->SetSensSector(17); // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) TRD->SetGasMix(1); // With hole in front of PHOS TRD->SetPHOShole(); // With hole in front of RICH TRD->SetRICHhole(); } if(iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD","normal FMD"); } if(iMUON) { //=================== MUON parameters =========================== AliMUON *MUON = new AliMUONv0("MUON","normal MUON"); } //=================== PHOS parameters =========================== if(iPHOS) { AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2"); } if(iPMD) { //=================== PMD parameters ============================ AliPMD *PMD = new AliPMDv0("PMD","normal PMD"); PMD->SetPAR(1., 1., 0.8, 0.02); PMD->SetIN(6., 18., -580., 27., 27.); PMD->SetGEO(0.0, 0.2, 4.); PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); } if(iSTART) { //=================== START parameters ============================ AliSTART *START = new AliSTARTv0("START","START Detector"); } }