Merging the VirtualMC branch to the main development branch (HEAD)

[u/mrichter/AliRoot.git] / TFluka / macro / FlukaConfig.C

static Int_t    eventsPerRun = 100;
void Config()
{
  cout << "==> Config.C..." << endl;
  
  // Set Random Number seed
  // gRandom->SetSeed(12345);
  
  
  // libraries required by fluka21
  cout << "\t* Loading TFluka..." << endl;
  gSystem->Load("libTFluka");    
  
  cout << "\t* Instantiating TFluka..." << endl;
  new  TFluka("C++ Interface to Fluka", 3/*verbositylevel*/);
  
  cout << "\t* Recreating galice.root if needed..." << endl;
  if (!gSystem->Getenv("CONFIG_FILE")) {
    TFile  *rootfile = new TFile("galice.root", "recreate");
    
    rootfile->SetCompressionLevel(2);
  }
  
  TFluka *fluka = (TFluka *) gMC;
  fluka->SetInputFileName("mu.inp");
  
  //cout << "<== Config.C..." << endl;
  //return;
  //
  // Set External decayer
  TVirtualMCDecayer *decayer = new AliDecayerPythia();
  
  decayer->SetForceDecay(kAll);
  decayer->Init();
  gMC->SetExternalDecayer(decayer);
  //
  //
  // Physics process control
  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);
  //xx gMC ->SetProcess("CKOV",1);
  gMC ->SetProcess("HADR",1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
  gMC ->SetProcess("LOSS",2);
  gMC ->SetProcess("MULS",1);
  //xx gMC ->SetProcess("RAYL",1);

  // Energy cuts
  // (in development)
  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);

    //
    //=======================================================================
    // ************* 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
    if (gSystem->Getenv("CONFIG_NPARTICLES"))
    {
        int     nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
    } else
    {
        int     nParticles = 50;
    }
    AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles);

    gener->SetMomentumRange(0, 999);
    gener->SetPhiRange(0, 360);
    // Set pseudorapidity range from -8 to 8.
    Float_t thmin = EtaToTheta(8);   // theta min. <---> eta max
    Float_t thmax = EtaToTheta(-8);  // theta max. <---> eta min 
    gener->SetThetaRange(thmin,thmax);
    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   iABSO = 1;
    Int_t   iCRT = 1;
    Int_t   iDIPO = 1;
    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 = 1;
    Int_t   iRICH = 1;
    Int_t   iSHIL = 1;
    Int_t   iSTART = 1;
    Int_t   iTOF = 1;
    Int_t   iTPC = 1;
    Int_t   iTRD = 1;
    Int_t   iZDC = 1;
    Int_t   iEMCAL = 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 AliFRAMEv2("FRAME", "Space Frame");

    }

    if (iSHIL)
    {
        //=================== SHIL parameters ============================

        AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding");
    }


    if (iPIPE)
    {
        //=================== PIPE parameters ============================

        AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
    }
 
  if(iITS) {

//=================== ITS parameters ============================
    //
    // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
    // almost all other detectors. This involves the fact that the ITS geometry
    // still has several options to be followed in parallel in order to determine
    // the best set-up which minimizes the induced background. All the geometries
    // available to date are described in the following. Read carefully the comments
    // and use the default version (the only one uncommented) unless you are making
    // comparisons and you know what you are doing. In this case just uncomment the
    // ITS geometry you want to use and run Aliroot.
    //
    // Detailed geometries:         
    //
    //
    //AliITS *ITS  = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
    //
    //AliITS *ITS  = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
    //
    AliITSvPPRasymm *ITS  = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
    ITS->SetMinorVersion(2);					 // don't touch this parameter if you're not an ITS developer
    ITS->SetReadDet(kFALSE);					 // don't touch this parameter if you're not an ITS developer
    //    ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det");  // don't touch this parameter if you're not an ITS developer
    ITS->SetThicknessDet1(200.);   // detector thickness on layer 1 must be in the range [100,300]
    ITS->SetThicknessDet2(200.);   // detector thickness on layer 2 must be in the range [100,300]
    ITS->SetThicknessChip1(200.);  // chip thickness on layer 1 must be in the range [150,300]
    ITS->SetThicknessChip2(200.);  // chip thickness on layer 2 must be in the range [150,300]
    ITS->SetRails(1);	     // 1 --> rails in ; 0 --> rails out
    ITS->SetCoolingFluid(1);   // 1 --> water ; 0 --> freon
    //
    //AliITSvPPRsymm *ITS  = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
    //ITS->SetMinorVersion(2);                                       // don't touch this parameter if you're not an ITS developer
    //ITS->SetReadDet(kFALSE);                                       // don't touch this parameter if you're not an ITS developer
    //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
    //ITS->SetThicknessDet1(200.);   // detector thickness on layer 1 must be in the range [100,300]
    //ITS->SetThicknessDet2(200.);   // detector thickness on layer 2 must be in the range [100,300]
    //ITS->SetThicknessChip1(200.);  // chip thickness on layer 1 must be in the range [150,300]
    //ITS->SetThicknessChip2(200.);  // chip thickness on layer 2 must be in the range [150,300]
    //ITS->SetRails(1);              // 1 --> rails in ; 0 --> rails out
    //ITS->SetCoolingFluid(1);       // 1 --> water ; 0 --> freon
    //
    //
    // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful 
    // for reconstruction !):
    //                                                     
    //
    //AliITSvPPRcoarseasymm *ITS  = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
    //ITS->SetRails(1);                // 1 --> rails in ; 0 --> rails out
    //ITS->SetSupportMaterial(0);      // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
    //
    //AliITS *ITS  = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
    //ITS->SetRails(1);                // 1 --> rails in ; 0 --> rails out
    //ITS->SetSupportMaterial(0);      // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
    //                      
    //
    //
    // Geant3 <-> EUCLID conversion
    // ============================
    //
    // SetEUCLID is a flag to output (=1) or not to output (=0) 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.
    //
    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 AliTPCv2("TPC", "Default");

        // All sectors included 
        TPC->SetSecAL(-1);
        TPC->SetSecAU(-1);

    }

    if (iTOF)
    {
        //=================== TOF parameters ============================
        AliTOF *TOF = new AliTOFv2("TOF", "normal TOF");
    }

    if (iRICH)
    {
        //=================== RICH parameters ===========================
        AliRICH *RICH = new AliRICHv1("RICH", "normal RICH");

    }


    if (iZDC)
    {
        //=================== ZDC parameters ============================

        AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
    }

    if (iCRT)
    {
        //=================== CRT parameters ============================

        AliCRT *CRT = new AliCRTv0("CRT", "normal CRT");
    }

    if (iTRD)
    {
        //=================== TRD parameters ============================

        AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");

        // 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();
        // Switch on TR
        AliTRDsim *TRDsim = TRD->CreateTR();
    }

    if (iFMD)
    {
        //=================== FMD parameters ============================

        AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
        FMD->SetRingsSi1(256);
        FMD->SetRingsSi2(64);
        FMD->SetSectorsSi1(20);
        FMD->SetSectorsSi2(24);
   }

    if (iMUON)
    {
        //=================== MUON parameters ===========================

        AliMUON *MUON = new AliMUONv1("MUON", "default");
    }
    //=================== PHOS parameters ===========================

    if (iPHOS)
    {
        AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2");
    }


    if (iPMD)
    {
        //=================== PMD parameters ============================

        AliPMD *PMD = new AliPMDv1("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 (iEMCAL && !iRICH)
    {
        //=================== EMCAL parameters ============================
        AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a");
    }

    if (iSTART)
    {
        //=================== START parameters ============================
        AliSTART *START = new AliSTARTv1("START", "START Detector");
    }


    cout << "<== Config.C..." << endl;
}

Float_t EtaToTheta(Float_t arg){
  return (180./TMath::Pi())*2.*atan(exp(-arg));
}