ae79a87b408987d3d6514f33df598423c2b0d018
[u/mrichter/AliRoot.git] / ITS / ConfigSDD03.C
1 //
2 #if !defined(__CINT__) || defined(__MAKECINT__)
3 #include <Riostream.h>
4 #include <TPDGCode.h>
5 #include <TRandom.h>
6 #include <TSystem.h>
7 #include <TVirtualMC.h>
8 #include <TGeant3.h>
9 #include "STEER/AliRunLoader.h"
10 #include "STEER/AliRun.h"
11 #include "STEER/AliConfig.h"
12 #include "PYTHIA6/AliDecayerPythia.h"
13 #include "EVGEN/AliGenCocktail.h"
14 #include "EVGEN/AliGenHIJINGpara.h"
15 #include "STEER/AliMagFMaps.h"
16 #include "STRUCT/AliBODY.h"
17 #include "STRUCT/AliMAG.h"
18 #include "STRUCT/AliABSOv0.h"
19 #include "STRUCT/AliDIPOv2.h"
20 #include "STRUCT/AliHALL.h"
21 #include "STRUCT/AliFRAMEv2.h"
22 #include "STRUCT/AliSHILv2.h"
23 #include "STRUCT/AliPIPEv0.h"
24 #include "ITS/AliITSvSPD02.h"
25 #endif
26
27 Float_t EtaToTheta(Float_t arg){
28   return (180./TMath::Pi())*2.*atan(exp(-arg));
29 }
30 //------------------------------------------------------------------
31 void Config(){
32     // Set Random Number seed
33     // gRandom->SetSeed(12345);
34     // libraries required by geant321
35 #if defined(__CINT__)
36     gSystem->Load("libgeant321");
37 #endif
38     new TGeant3("C++ Interface to Geant3");
39     AliRunLoader *rl = 0;
40     rl = AliRunLoader::Open("galice.root",
41                             AliConfig::GetDefaultEventFolderName(),"recreate");
42     if (rl == 0x0){
43       gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
44       return;
45     } // end if rl==0x0
46     rl->SetCompressionLevel(2);
47     rl->SetNumberOfEventsPerFile(1000);
48     gAlice->SetRunLoader(rl);
49     //
50     // Set External decayer
51     TVirtualMCDecayer *decayer = new AliDecayerPythia();
52     decayer->SetForceDecay(kAll);
53     decayer->Init();
54     gMC->SetExternalDecayer(decayer);
55     //=======================================================================
56     gMC->SetProcess("DCAY",1);
57     gMC->SetProcess("PAIR",1);
58     gMC->SetProcess("COMP",1);
59     gMC->SetProcess("PHOT",1);
60     gMC->SetProcess("PFIS",0);
61     gMC->SetProcess("DRAY",0);
62     gMC->SetProcess("ANNI",1);
63     gMC->SetProcess("BREM",1);
64     gMC->SetProcess("MUNU",1);
65     gMC->SetProcess("CKOV",1);
66     gMC->SetProcess("HADR",1);
67     gMC->SetProcess("LOSS",2);
68     gMC->SetProcess("MULS",1);
69     gMC->SetProcess("RAYL",1);
70     Float_t cut = 1.e-3;        // 1MeV cut by default
71     Float_t tofmax = 1.e10;
72     gMC->SetCut("CUTGAM", cut);
73     gMC->SetCut("CUTELE", cut);
74     gMC->SetCut("CUTNEU", cut);
75     gMC->SetCut("CUTHAD", cut);
76     gMC->SetCut("CUTMUO", cut);
77     gMC->SetCut("BCUTE",  cut);
78     gMC->SetCut("BCUTM",  cut);
79     gMC->SetCut("DCUTE",  cut);
80     gMC->SetCut("DCUTM",  cut);
81     gMC->SetCut("PPCUTM", cut);
82     gMC->SetCut("TOFMAX", tofmax);
83     int     nParticles = 1;
84     if (gSystem->Getenv("CONFIG_NPARTICLES")){
85       nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
86     } // end if
87     //*********************************************
88     // Example for Moving Particle Gun            *
89     //*********************************************
90     AliGenBox *gener = new AliGenBox(nParticles);
91     gener->SetMomentumRange(300.,301.);
92     gener->SetPhiRange(0,0.1);
93     gener->SetThetaRange(0.0, .1);
94     gener->SetOrigin(0.,0.,-800.);
95     //vertex position
96     gener->SetSigma(0.1,0.1,0.0); //Sigma in (X,Y,Z) (cm) on IP position
97     gener->SetPart(kPiPlus);
98     gener->Init();
99     // Activate this line if you want the vertex smearing to happen
100     // track by track
101     //
102     //gener->SetVertexSmear(perTrack); 
103     // Field (L3 0.4 T)
104     //gAlice->SetField(field);
105
106     Int_t   iHALL  =  0;
107     Int_t   iITS   =  1;
108     rl->CdGAFile();
109     //=================== Alice BODY parameters =============================
110     AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
111
112     if (iHALL){
113         //=================== HALL parameters ============================
114         AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
115     } // end if
116     if(iITS) {
117         //=================== ITS parameters ============================
118         AliITSvSDD03 *ITS  = new AliITSvSDD03("SDD test beam 2003",2003);
119     }
120     return;
121 }