ITS/ConfigSPD02.C

   1 //
   2 #if !defined(__CINT__) || defined(__MAKECINT__)
   3 #include <Riostream.h>
   4 #include <TRandom.h>
   5 #include <TSystem.h>
   6 #include <TVirtualMC.h>
   7 #include <TGeant3.h>
   8 #include "STEER/AliRunLoader.h"
   9 #include "STEER/AliRun.h"
  10 #include "STEER/AliConfig.h"
  11 #include "PYTHIA6/AliDecayerPythia.h"
  12 #include "EVGEN/AliGenCocktail.h"
  13 #include "EVGEN/AliGenHIJINGpara.h"
  14 #include "STEER/AliMagFMaps.h"
  15 #include "STRUCT/AliBODY.h"
  16 #include "STRUCT/AliMAG.h"
  17 #include "STRUCT/AliABSOv0.h"
  18 #include "STRUCT/AliDIPOv2.h"
  19 #include "STRUCT/AliHALL.h"
  20 #include "STRUCT/AliFRAMEv2.h"
  21 #include "STRUCT/AliSHILv2.h"
  22 #include "STRUCT/AliPIPEv0.h"
  23 #include "ITS/AliITSvSPD02.h"
  24 #endif
  25
  26 Float_t EtaToTheta(Float_t arg){
  27   return (180./TMath::Pi())*2.*atan(exp(-arg));
  28 }
  29 //------------------------------------------------------------------
  30 void Config(){
  31     // Set Random Number seed
  32     // gRandom->SetSeed(12345);
  33     // libraries required by geant321
  34 #if defined(__CINT__)
  35     gSystem->Load("libgeant321");
  36 #endif
  37     new TGeant3("C++ Interface to Geant3");
  38     AliRunLoader *rl = 0;
  39     rl = AliRunLoader::Open("galice.root",
  40                             AliConfig::GetDefaultEventFolderName(),"recreate");
  41     if (rl == 0x0){
  42       gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
  43       return;
  44     } // end if rl==0x0
  45     rl->SetCompressionLevel(2);
  46     rl->SetNumberOfEventsPerFile(1000);
  47     gAlice->SetRunLoader(rl);
  48     //
  49     // Set External decayer
  50     TVirtualMCDecayer *decayer = new AliDecayerPythia();
  51     decayer->SetForceDecay(kAll);
  52     decayer->Init();
  53     gMC->SetExternalDecayer(decayer);
  54     //=======================================================================
  55     gMC->SetProcess("DCAY",1);
  56     gMC->SetProcess("PAIR",1);
  57     gMC->SetProcess("COMP",1);
  58     gMC->SetProcess("PHOT",1);
  59     gMC->SetProcess("PFIS",0);
  60     gMC->SetProcess("DRAY",0);
  61     gMC->SetProcess("ANNI",1);
  62     gMC->SetProcess("BREM",1);
  63     gMC->SetProcess("MUNU",1);
  64     gMC->SetProcess("CKOV",1);
  65     gMC->SetProcess("HADR",1);
  66     gMC->SetProcess("LOSS",2);
  67     gMC->SetProcess("MULS",1);
  68     gMC->SetProcess("RAYL",1);
  69     Float_t cut = 1.e-3;        // 1MeV cut by default
  70     Float_t tofmax = 1.e10;
  71     gMC->SetCut("CUTGAM", cut);
  72     gMC->SetCut("CUTELE", cut);
  73     gMC->SetCut("CUTNEU", cut);
  74     gMC->SetCut("CUTHAD", cut);
  75     gMC->SetCut("CUTMUO", cut);
  76     gMC->SetCut("BCUTE",  cut);
  77     gMC->SetCut("BCUTM",  cut);
  78     gMC->SetCut("DCUTE",  cut);
  79     gMC->SetCut("DCUTM",  cut);
  80     gMC->SetCut("PPCUTM", cut);
  81     gMC->SetCut("TOFMAX", tofmax);
  82     int     nParticles = 1;
  83     if (gSystem->Getenv("CONFIG_NPARTICLES")){
  84       nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
  85     } // end if
  86     //*********************************************
  87     // Example for Moving Particle Gun            *
  88     //*********************************************
  89     AliGenBox *gener = new AliGenBox(nParticles);
  90     gener->SetMomentumRange(100.,300.);
  91     gener->SetPhiRange(0,0.1);
  92     gener->SetThetaRange(0.0, .1);
  93     gener->SetOrigin(0.,0.,-50.);
  94     //vertex position
  95     gener->SetSigma(0.1,0.1,0.0); //Sigma in (X,Y,Z) (cm) on IP position
  96     gener->SetPart(211);                //GEANT particle type
  97     gener->Init();
  98     // Activate this line if you want the vertex smearing to happen
  99     // track by track
 100     //
 101     //gener->SetVertexSmear(perTrack);
 102     // Field (L3 0.4 T)
 103     //gAlice->SetField(field);
 104
 105     Int_t   iHALL  =  0;
 106     Int_t   iITS   =  1;
 107     rl->CdGAFile();
 108     //=================== Alice BODY parameters =============================
 109     AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
 110
 111     if (iHALL){
 112         //=================== HALL parameters ============================
 113         AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
 114     } // end if
 115     if(iITS) {
 116         //=================== ITS parameters ============================
 117         AliITSvSPD02 *ITS  = new AliITSvSPD02("SPD test beam 2002",2002);
 118     }
 119     return;
 120 }