Add configuration of external decayer.

[u/mrichter/AliRoot.git] / macros / Config.C

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");
}

         
}