Ejemplo n.º 1
0
void commonConfig(ConfigVersion_t configVersion = kConfigV0)
{
  cout << "Running commonConfig.C ... " << endl;

    // Set Random Number seed
  gRandom->SetSeed(123456); // Set 0 to use the currecnt time
  AliLog::Message(AliLog::kInfo, Form("Seed for random number generation = %d",gRandom->GetSeed()), "Config.C", "Config.C", "Config()","Config.C", __LINE__);


  //=======================================================================
  // Load Pythia libraries
  //=======================================================================

  LoadPythia();

  //=======================================================================
  // ALICE steering object (AliRunLoader)
  //=======================================================================

  AliRunLoader* rl 
    = AliRunLoader::Open("galice.root",
			  AliConfig::GetDefaultEventFolderName(),
			  "recreate");
  if ( ! rl ) {
    gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
    return;
  }
  rl->SetCompressionLevel(2);
  rl->SetNumberOfEventsPerFile(3);
  gAlice->SetRunLoader(rl);
  
  //======================================================================
  // Trigger configuration
  //=======================================================================

  AliSimulation::Instance()->SetTriggerConfig(pprTrigConfName[strig]);
  cout << "Trigger configuration is set to  " << pprTrigConfName[strig] << endl;

  // ============================= 
  // Magnetic field
  // ============================= 

  // Field (L3 0.5 T)
  AliMagF* field = new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG);
  TGeoGlobalMagField::Instance()->SetField(field);

  printf("\n \n Comment: %s \n \n", comment.Data());

  // ============================= 
  // Modules
  // ============================= 

  rl->CdGAFile();

  Int_t   iABSO  =  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   iHMPID =  1;
  Int_t   iSHIL  =  1;
  Int_t   iT0    =  1;
  Int_t   iTOF   =  1;
  Int_t   iTPC   =  1;
  Int_t   iTRD   =  1;
  Int_t   iZDC   =  1;
  Int_t   iEMCAL =  1;
  Int_t   iACORDE = 1;
  Int_t   iVZERO =  1;

  rl->CdGAFile();
  //=================== 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 AliITSv11("ITS","ITS v11");
  }

  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");
      if ( configVersion == kConfigV1 ) {
        AliTRDgeometry *geoTRD = TRD->GetGeometry();
        // Partial geometry: modules at 0,1,7,8,9,16,17
        // starting at 3h in positive direction
        geoTRD->SetSMstatus(2,0);
        geoTRD->SetSMstatus(3,0);
        geoTRD->SetSMstatus(4,0);
        geoTRD->SetSMstatus(5,0);
        geoTRD->SetSMstatus(6,0);
        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");
  }
  //=================== PHOS parameters ===========================

  if (iPHOS)
  {
     if ( configVersion == kConfigV0 ) 
       AliPHOS *PHOS = new AliPHOSv1("PHOS", "Run1");
     else if ( configVersion == kConfigV1 )  
       AliPHOS *PHOS = new AliPHOSv1("PHOS", "noCPV_Modules123"); 
  }


  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 ============================
    if ( configVersion == kConfigV0 ) 
      AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETEV1");
    else if ( configVersion == kConfigV1 )  
      AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_FIRSTYEARV1");
  }

   if (iACORDE)
  {
      //=================== ACORDE parameters ============================
      AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
  }

   if (iVZERO)
  {
      //=================== VZERO parameters ============================
      AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
  }

  AliLog::Message(AliLog::kInfo, "End of Config", "Config.C", "Config.C", "Config()"," Config.C", __LINE__);

  cout << "Running commonConfig.C finished ... " << endl;
}
Ejemplo n.º 2
0
void Config()
{
    // 7-DEC-2000 09:00
    // Switch on Transition Radiation simulation. 6/12/00 18:00
    // iZDC=1  7/12/00 09:00
    // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
    // Theta range given through pseudorapidity limits 22/6/2001

    // Set Random Number seed
    // AliLoader::SetDebug(5) ; 
    gRandom->SetSeed(12345);


   // libraries required by geant321
    gSystem->Load("libgeant321");

    new     TGeant3("C++ Interface to Geant3");

    if (!gSystem->Getenv("CONFIG_FILE"))
    {
        cout<<"Config.C: Creating Run Loader ..."<<endl;
        AliRunLoader* 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);
    }

    TGeant3 *geant3 = (TGeant3 *) gMC;

    //
    // Set External decayer
    TVirtualMCDecayer *decayer = new AliDecayerPythia();

    decayer->SetForceDecay(kAll);
    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
    if (gSystem->Getenv("CONFIG_NPARTICLES"))
    {
        int     nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
    } else
    {
        int     nParticles = 10;
    }
 //    AliGenCocktail *gener = new AliGenCocktail();
//     gener->SetPhiRange(220, 320);
//     // Set pseudorapidity range from -8 to 8.
//     Float_t thmin = EtaToTheta(0.12);   // theta min. <---> eta max
//     Float_t thmax = EtaToTheta(-0.12);  // 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

//     AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles);
//     hijingparam->SetMomentumRange(0.2, 999);
//     gener->AddGenerator(hijingparam,"HIJING PARAM",1);

//     AliGenBox *genbox = new AliGenBox(nParticles);
//     genbox->SetPart(kGamma);
//     genbox->SetPtRange(0.3, 10.00);
//     gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1);
//     gener->Init();

    AliGenBox *gener = new AliGenBox(1);
    gener->SetMomentumRange(10,11.);
    gener->SetPhiRange(270.5,270.7);
    gener->SetThetaRange(90.5,90.7);

    gener->SetOrigin(0,0,0);        //vertex position
    gener->SetSigma(0,0,0);         //Sigma in (X,Y,Z) (cm) on IP position
    gener->SetPart(kGamma);
    gener->Init();
 
    // 
    // Activate this line if you want the vertex smearing to happen
    // track by track
    //
    //gener->SetVertexSmear(perTrack); 
    // Field (L3 0.4 T)
    TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 1., 1., AliMagF::k5kG));

    Int_t   iABSO  =  0;
    Int_t   iDIPO  =  0;
    Int_t   iFMD   =  0;
    Int_t   iFRAME =  0;
    Int_t   iHALL  =  0;
    Int_t   iITS   =  0;
    Int_t   iMAG   =  0;
    Int_t   iMUON  =  0;
    Int_t   iPHOS  =  1;
    Int_t   iPIPE  =  0;
    Int_t   iPMD   =  0;
    Int_t   iHMPID  =  0;
    Int_t   iSHIL  =  0;
    Int_t   iT0 =  0;
    Int_t   iTOF   =  0;
    Int_t   iTPC   =  0;
    Int_t   iTRD   =  0;
    Int_t   iZDC   =  0;
    Int_t   iEMCAL =  0;
    Int_t   iACORDE   =  0;
    Int_t   iVZERO =  0;
    rl->CdGAFile();
    //=================== 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 ============================

        AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
	if (geo == kHoles) {
	    FRAME->SetHoles(1);
	} else {
	    FRAME->SetHoles(0);
	}
    }

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

        AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
    }


    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("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det");  // don't touch this parameter if you're not an ITS developer
	ITS->SetThicknessDet1(200.);   // detector thickness on layer 1 must be in the range [100,300]
	ITS->SetThicknessDet2(200.);   // detector thickness on layer 2 must be in the range [100,300]
	ITS->SetThicknessChip1(200.);  // chip thickness on layer 1 must be in the range [150,300]
	ITS->SetThicknessChip2(200.);  // chip thickness on layer 2 must be in the range [150,300]
	ITS->SetRails(0);	     // 1 --> rails in ; 0 --> rails out
	ITS->SetCoolingFluid(1);   // 1 --> water ; 0 --> freon
	//
    //AliITSvPPRsymm *ITS  = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
    //ITS->SetMinorVersion(2);                                       // don't touch this parameter if you're not an ITS developer
    //ITS->SetReadDet(kFALSE);                                       // don't touch this parameter if you're not an ITS developer
    //ITS->SetWriteDet("$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(0);              // 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(0);                // 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(0);                // 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->SetSecAU(-1);
        TPC->SetSecAL(-1);
    }


    if (iTOF) {
	if (geo == kHoles) {
        //=================== TOF parameters ============================
	    AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes");
	} else {
	    AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF");
	}
    }


    if (iHMPID)
    {
        //=================== HMPID parameters ===========================
        AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");

    }


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

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

    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);
	if (geo == kHoles) {
	    // With hole in front of PHOS
	    TRD->SetPHOShole();
	    // With hole in front of HMPID
	    TRD->SetHMPIDhole();
	}
	    // Switch on TR
	    AliTRDsim *TRDsim = TRD->CreateTR();
    }

    if (iFMD)
    {
        //=================== FMD parameters ============================
	AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
        FMD->SetRingsSi1(256);
        FMD->SetRingsSi2(128);
        FMD->SetSectorsSi1(20);
        FMD->SetSectorsSi2(40);      
   }

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

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

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


    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 AliEMCALv1("EMCAL", "EMCALArch1a");
    }

     if (iACORDE)
    {
        //=================== ACORDE parameters ============================
        AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
    }

     if (iVZERO)
    {
        //=================== ACORDE parameters ============================
        AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO");
    }

}
Ejemplo n.º 3
0
Archivo: gen.C Proyecto: alisw/AliRoot
void gen(Int_t nev = 1, 
         const char* genConfig = "$ALICE_ROOT/MUON/macros/genTestConfig.C")
{
  // Load libraries
  // gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include -I$ALICE_ROOT");
  gSystem->Load("liblhapdf");      // Parton density functions
  gSystem->Load("libEGPythia6");   // TGenerator interface
  gSystem->Load("libpythia6");     // Pythia
  gSystem->Load("libAliPythia6");  // ALICE specific implementations

  AliPDG::AddParticlesToPdgDataBase();
  TDatabasePDG::Instance();

  // Run loader
  AliRunLoader* rl = AliRunLoader::Open("galice.root","FASTRUN","recreate");
  
  rl->SetCompressionLevel(2);
  rl->SetNumberOfEventsPerFile(nev);
  rl->LoadKinematics("RECREATE");
  rl->MakeTree("E");
  gAlice->SetRunLoader(rl);
  
  //  Create stack
  rl->MakeStack();
  AliStack* stack = rl->Stack();
  
  //  Header
  AliHeader* header = rl->GetHeader();
  
  //  Create and Initialize Generator
  gROOT->LoadMacro(genConfig);
  AliGenerator* gener = genConfig();

  // Go to galice.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();
}
Ejemplo n.º 4
0
void fastGen(Tune_t tune = kPyTuneCDFA , Float_t energy, Int_t nev = 1, TString process)
{
  // Add all particles to the PDG database
  AliPDG::AddParticlesToPdgDataBase();

  // set the random seed
  TDatime date;
  UInt_t seed    = date.Get()+gSystem->GetPid();
  gRandom->SetSeed(seed);
  cout<<"Seed for random number generation= "<<seed<<endl; 


  //  Runloader  
  AliRunLoader* rl = AliRunLoader::Open("galice.root", "FASTRUN","recreate");
    
  rl->SetCompressionLevel(2);
  rl->SetNumberOfEventsPerFile(nev);
  rl->LoadKinematics("RECREATE");
  rl->MakeTree("E");
  gAlice->SetRunLoader(rl);

  //  Create stack
  rl->MakeStack();
  AliStack* stack      = rl->Stack();
 
  //  Header
  AliHeader* header = rl->GetHeader();
  //
  //  Create and Initialize Generator
  AliGenerator *gener = CreateGenerator(tune,energy);
  gener->Init();
  // if nsd switch off single diffraction
  if ( process == "NSD"){
    if(tune != kPhojet) {
      AliPythia::Instance()->	SetMSUB(92,0);             // single diffraction AB-->XB
      AliPythia::Instance()-> SetMSUB(93,0);             // single diffraction AB-->AX
    }
    else {
      cout << "NSD not yet implemented in the phojet case" << endl;
      exit(1);
    }
  }
  gener->SetStack(stack);
    
  //
  //                        Event Loop
  //
  Int_t iev;
     
  for (iev = 0; iev < nev; iev++) {

    if(!(iev%500)) printf("\n \n Event number %d \n \n", iev);
	
    //  Initialize event
    header->Reset(0,iev);
    rl->SetEventNumber(iev);
    stack->Reset();
    rl->MakeTree("K");
    //	stack->ConnectTree();
    
    //  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();
    // 	    printf("Particle %d\n", mpart);
    // 	}
	
    //  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();
    
}