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Commit | Line | Data |
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267e5cd8 | 1 | // $Id$ |
2 | // | |
3 | // Configuration macro for running aliroot with Geant4 | |
4 | // with primary events read from external file. | |
5 | // | |
6 | // By I. Hrivnacova, IPN Orsay | |
7 | ||
8 | ||
9 | void Config() | |
10 | { | |
11 | cout << "Running g4Config.C ... " << endl; | |
12 | ||
13 | // AliRoot setup | |
14 | // | |
15 | gROOT->LoadMacro("$ALICE_ROOT/test/vmctest/gun/commonConfig.C"); | |
d111ffce | 16 | commonConfig(); |
17 | ||
18 | // TPC primary ionization | |
19 | AliTPC* TPC = (AliTPC*)gAlice->GetDetector("TPC"); | |
20 | if ( ! TPC ) | |
21 | cerr << "Cannot get TPC detector" << endl; | |
22 | else { | |
23 | cerr << "Setting TPC primary ionization" << endl; | |
24 | TPC->SetPrimaryIonisation(); // not used with Geant3 | |
25 | } | |
267e5cd8 | 26 | |
27 | // Load Geant4 + Geant4 VMC libraries | |
28 | // | |
29 | if (gClassTable->GetID("TGeant4") == -1) { | |
30 | // Load Geant4 libraries | |
31 | if (!gInterpreter->IsLoaded("$ALICE/geant4_vmc/examples/macro/g4libs.C")) { | |
32 | gROOT->LoadMacro("$ALICE/geant4_vmc/examples/macro/g4libs.C"); | |
33 | gInterpreter->ProcessLine("g4libs()"); | |
34 | } | |
35 | } | |
36 | ||
37 | // Create Geant4 VMC | |
38 | // | |
39 | TGeant4 *geant4 = 0; | |
40 | if ( ! gMC ) { | |
41 | TG4RunConfiguration* runConfiguration | |
42 | = new TG4RunConfiguration("geomRoot", | |
43 | "QGSP_BERT_EMV+optical", | |
44 | "specialCuts+stackPopper+stepLimiter", | |
45 | true); | |
46 | // = new TG4RunConfiguration("geomRootToGeant4", | |
47 | // "emStandard+optical", | |
48 | // "specialCuts+specialControls+stackPopper+stepLimiter", | |
49 | // true); | |
50 | ||
51 | ||
52 | geant4 = new TGeant4("TGeant4", "The Geant4 Monte Carlo", runConfiguration); | |
53 | cout << "Geant4 has been created." << endl; | |
54 | } | |
55 | else { | |
56 | cout << "Monte Carlo has been already created." << endl; | |
57 | } | |
58 | ||
59 | // Customization of Geant4 VMC | |
60 | // | |
61 | ||
267e5cd8 | 62 | geant4->ProcessGeantCommand("/mcVerbose/all 1"); |
d111ffce | 63 | geant4->ProcessGeantCommand("/mcVerbose/geometryManager 1"); |
267e5cd8 | 64 | geant4->ProcessGeantCommand("/mcVerbose/opGeometryManager 1"); |
65 | geant4->ProcessGeantCommand("/mcTracking/loopVerbose 0"); | |
66 | geant4->ProcessGeantCommand("/mcPhysics/rangeCuts 0.01 mm"); | |
267e5cd8 | 67 | geant4->ProcessGeantCommand("/mcPhysics/selectOpProcess Scintillation"); |
68 | geant4->ProcessGeantCommand("/mcPhysics/setOpProcessActivation false"); | |
69 | geant4->ProcessGeantCommand("/mcTracking/skipNeutrino true"); | |
d111ffce | 70 | geant4->ProcessGeantCommand("/mcDet/setMaxStepInLowDensityMaterials 1 cm"); |
267e5cd8 | 71 | |
72 | // Uncomment this line to get a detail info from each step | |
d111ffce | 73 | //geant4->ProcessGeantCommand("/tracking/verbose 1"); |
267e5cd8 | 74 | |
75 | // More info from the physics list | |
76 | // the verbosity level is passed to all contained physics lists and their | |
77 | // physics builders | |
78 | //geant4->ProcessGeantCommand("/mcVerbose/composedPhysicsList 2"); | |
79 | ||
80 | // More info from optical processes | |
81 | //geant4->ProcessGeantCommand("/mcVerbose/opticalPhysicsList 3"); | |
82 | ||
83 | // More info from geometry building | |
84 | //geant4->ProcessGeantCommand("/mcVerbose/geometryManager 1"); | |
85 | ||
86 | // More info from setting geometry properties (in materials and surfaces) | |
87 | // for optical physics | |
88 | //geant4->ProcessGeantCommand("/mcVerbose/opGeometryManager 1"); | |
89 | ||
90 | // More info about regions construction | |
91 | // and conversion of VMC cuts in cuts in range per regions | |
92 | // geant4->ProcessGeantCommand("/mcVerbose/regionsManager 2"); | |
d111ffce | 93 | // geant4->ProcessGeantCommand("/mcRegions/print true"); |
267e5cd8 | 94 | |
95 | // Suppress verbose info from tracks which reached maximum number of steps | |
96 | // (default value is 30000) | |
97 | //geant4->ProcessGeantCommand("/mcTracking/loopVerbose 0"); | |
98 | ||
99 | // | |
100 | // Set apply cuts | |
101 | /* | |
102 | geant4->ProcessGeantCommand("/run/particle/applyCuts"); | |
103 | // geant4->ProcessGeantCommand("/mcVerbose/geometryManager 2"); | |
104 | ||
105 | geant4->ProcessGeantCommand("/mcVerbose/composedPhysicsList 2"); | |
106 | geant4->ProcessGeantCommand("/mcDet/volNameSeparator !"); | |
107 | geant4->ProcessGeantCommand("/mcPhysics/setStackPopperSelection e+ e- pi+ pi- kaon+ kaon- gamma"); | |
108 | //geant4->ProcessGeantCommand("/tracking/verbose 1"); | |
109 | ||
110 | geant4->ProcessGeantCommand("/mcControl/g3Defaults"); | |
111 | !!!!n Generates warnings: | |
112 | >>> Event 0 | |
113 | G4ProcessTable::Insert : arguments are 0 pointer | |
114 | G4ProcessTable::Insert : arguments are 0 pointer | |
115 | G4ProcessTable::Insert : arguments are 0 pointer | |
116 | G4ProcessTable::Insert : arguments are 0 pointer | |
117 | G4ProcessTable::Insert : arguments are 0 pointer | |
118 | ||
119 | */ | |
120 | ||
121 | // AliRoot event generator | |
122 | // (it has to be created after MC, as it may use decayer via VMC) | |
123 | // | |
124 | gROOT->LoadMacro("$ALICE_ROOT/test/vmctest/gun/genExtFileConfig.C"); | |
125 | genExtFileConfig(); | |
126 | ||
127 | cout << "Running g4Config.C finished ... " << endl; | |
128 | } |