Logo ROOT  
Reference Guide
geant3tasks.C
Go to the documentation of this file.
1 /// \file
2 /// \ingroup tutorial_legacy
3 /// This script is a representation using TTasks of the Geant3 simulation program
4 /// This example uses directly TTask objects.
5 /// A real implementation would require one class per task derived from TTask.
6 ///
7 /// \macro_code
8 ///
9 /// \author Rene Brun
10 
11 void geant3tasks()
12 {
13  TTask *geant3 = new TTask("geant3","Geant3 simulation main program");
14  gROOT->GetListOfTasks()->Add(geant3);
15  TTask *uginit = new TTask("uginit","Initialisation manager");
16  TTask *grun = new TTask("grun","Run manager");
17  TTask *uglast = new TTask("uglast","Termination manager");
18  geant3->Add(uginit);
19  geant3->Add(grun);
20  geant3->Add(uglast);
21  TTask *ginit = new TTask("ginit","Geant3 initialisation");
22  TTask *ugeom = new TTask("ugeom","Geometry initialisation manager");
23  TTask *gphysi = new TTask("gphysi","Initialise cross-sections and energy loss tables");
24  TTask *ggclos = new TTask("ggclos","Geometry analyzer and optimizer");
25  uginit->Add(ginit);
26  uginit->Add(ugeom);
27  uginit->Add(gphysi);
28  uginit->Add(ggclos);
29  TTask *gtrigi = new TTask("gtrigi","Event initialisation");
30  TTask *gtrig = new TTask("gtrig","Event manager");
31  TTask *gtrigc = new TTask("gtrigc","Event cleaner");
32  grun->Add(gtrigi);
33  grun->Add(gtrig);
34  grun->Add(gtrigc);
35  TTask *glast = new TTask("glast","Geant3 termination");
36  TTask *igend = new TTask("igend","Graphics package termination");
37  uglast->Add(glast);
38  uglast->Add(igend);
39  TTask *gukine = new TTask("gukine","Event generator manager");
40  TTask *gutrev = new TTask("gutrev","Event application manager");
41  TTask *gudigi = new TTask("gudigi","Event digitisation manager");
42  TTask *guout = new TTask("guout","Event termination manager");
43  gtrig->Add(gukine);
44  gtrig->Add(gutrev);
45  gtrig->Add(gudigi);
46  gtrig->Add(guout);
47  TTask *gtreve = new TTask("gtreve","Geant3 event manager");
48  gutrev->Add(gtreve);
49  TTask *gltrac = new TTask("gltrac","Initialize tracking parameters");
50  TTask *gftrac = new TTask("gftrac","select next track segment from stack JTRACK");
51  TTask *gutrak = new TTask("gutrak","Application track manager");
52  gtreve->Add(gltrac);
53  gtreve->Add(gftrac);
54  gtreve->Add(gutrak);
55  TTask *gtrack = new TTask("gtrack","Geant3 track manager");
56  gutrak->Add(gtrack);
57  TTask *gtgama = new TTask("gtgama","photon propagator");
58  TTask *gtelec = new TTask("gtelec","electron propagator");
59  TTask *gtneut = new TTask("gtneut","neutron propagator");
60  TTask *gthadr = new TTask("gthadr","hadron propagator");
61  TTask *gtmuon = new TTask("gtmuon","muon propagator");
62  TTask *gtnino = new TTask("gtnino","geantino propagator");
63  TTask *gtckov = new TTask("gtckov","Cherenkov light propagator");
64  TTask *gthion = new TTask("gthion","heavy ion propagator");
65  TTask *gustep = new TTask("gustep","Application step manager");
66  TTask *gtmedi = new TTask("gtmedi","Geometry volume finder");
67  gtrack->Add(gtgama);
68  gtrack->Add(gtelec);
69  gtrack->Add(gtneut);
70  gtrack->Add(gthadr);
71  gtrack->Add(gtmuon);
72  gtrack->Add(gtnino);
73  gtrack->Add(gtckov);
74  gtrack->Add(gthion);
75  gtrack->Add(gustep);
76  gtrack->Add(gtmedi);
77  TTask *gtnext = new TTask("gtnext","Geometry bounary manager");
78  TTask *gpairg = new TTask("gpairg","Generate pair production");
79  TTask *gcomp = new TTask("gcomp","Generate Compton scattering");
80  TTask *gphot = new TTask("gphot","Generate photo effect");
81  TTask *grayl = new TTask("grayl","Generate Rayleigh effect");
82  TTask *gpfis = new TTask("gpfis","Generate photo fission");
83  gtgama->Add(gtnext);
84  gtgama->Add(gpairg);
85  gtgama->Add(gcomp);
86  gtgama->Add(gphot);
87  gtgama->Add(grayl);
88  gtgama->Add(gpfis);
89  TTask *guswim = new TTask("guswim","magnetic field propagator");
90  TTask *ggckov = new TTask("ggckov","Generate Cherenkov photons");
91  TTask *gsync = new TTask("gsync","Generate synchrotron radiation");
92  TTask *gmults = new TTask("gmults","Apply multiple scattering");
93  TTask *gbreme = new TTask("gbreme","Generate Bremsstrahlung");
94  TTask *gdray = new TTask("gdray","Generate delta ray");
95  TTask *ganni = new TTask("ganni","Generate Positron annihilation");
96  TTask *gannir = new TTask("gannir","Stopped tracks and annihilation at rest");
97  gtelec->Add(gtnext);
98  gtelec->Add(guswim);
99  gtelec->Add(ggckov);
100  gtelec->Add(gsync);
101  gtelec->Add(gmults);
102  gtelec->Add(gbreme);
103  gtelec->Add(gdray);
104  gtelec->Add(ganni);
105  gtelec->Add(gannir);
106  TTask *guphad = new TTask("guphad","Hadronic cross-section manager");
107  TTask *guhadr = new TTask("guhadr","Hadronic cascade manager");
108  TTask *gdecay = new TTask("gdecay","Particle decay");
109  gtneut->Add(gtnext);
110  gtneut->Add(guphad);
111  gtneut->Add(guhadr);
112  gtneut->Add(gdecay);
113 
114  gthadr->Add(gtnext);
115  gthadr->Add(guphad);
116  gthadr->Add(guswim);
117  gthadr->Add(ggckov);
118  gthadr->Add(gmults);
119  gthadr->Add(guhadr);
120  gthadr->Add(gdecay);
121  gthadr->Add(gdray);
122  TTask *gbremm = new TTask("gbremm","Generate Bremsstrahlung");
123  TTask *gpairm = new TTask("gpairm","Generate Pair production");
124  TTask *gmunu = new TTask("gmunu","Generate Nuclear interaction");
125  gtmuon->Add(gtnext);
126  gtmuon->Add(guswim);
127  gtmuon->Add(ggckov);
128  gtmuon->Add(gmults);
129  gtmuon->Add(gbremm);
130  gtmuon->Add(gpairm);
131  gtmuon->Add(gdecay);
132  gtmuon->Add(gdray);
133  gtmuon->Add(gmunu);
134  gtmuon->Add(gdecay);
135 
136  gtnino->Add(gtnext);
137  TTask *glisur = new TTask("glisur","Photon is reflected");
138  gtckov->Add(gtnext);
139  gtckov->Add(glisur);
140 
141  gthion->Add(gtnext);
142  gthion->Add(guswim);
143  gthion->Add(gmults);
144  gthion->Add(guhadr);
145  gthion->Add(gdray);
146 
147  new TBrowser;
148  gDebug = 2;
149 }
TTask::Add
virtual void Add(TTask *task)
Add TTask to this.
Definition: TTask.cxx:172
TBrowser
Using a TBrowser one can browse all ROOT objects.
Definition: TBrowser.h:37
TTask
TTask is a base class that can be used to build a complex tree of Tasks.
Definition: TTask.h:35
ginit
static int ginit
Definition: rsalib.cxx:256
gDebug
Int_t gDebug
Definition: TROOT.cxx:590
gROOT
#define gROOT
Definition: TROOT.h:406