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1 | // $Id: MUON_display.C 24485 2008-03-13 15:27:38Z mtadel $ | |
2 | // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007 | |
3 | ||
4 | /************************************************************************** | |
5 | * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. * | |
6 | * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for * | |
7 | * full copyright notice. * | |
8 | **************************************************************************/ | |
9 | ||
10 | class AliEveMUONData; | |
11 | class AliEveEventManager; | |
12 | ||
13 | AliEveMUONData *g_muon_data = 0; | |
14 | AliEveEventManager *g_muon_last_event = 0; | |
15 | ||
16 | Int_t g_currentEvent = -1; | |
17 | Bool_t g_fromRaw = kFALSE; | |
18 | ||
19 | AliMagFMaps *g_field = 0; | |
20 | ||
21 | void MUON_displaySimu(Bool_t fromRaw = kFALSE, Bool_t showTracks = kTRUE) | |
22 | { | |
23 | // | |
24 | // display from simulated digits (or produced raw data) | |
25 | // tracks: ESD, Refs, MC | |
26 | // | |
27 | ||
28 | if (!AliMpSegmentation::Instance()) AliMpCDB::LoadMpSegmentation(); | |
29 | if (!AliMpDDLStore::Instance()) AliMpCDB::LoadDDLStore(); | |
30 | ||
31 | if (g_field == 0) { | |
32 | printf("Loading field map...\n"); | |
33 | g_field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k5kG); | |
34 | AliTracker::SetFieldMap(g_field, kFALSE); | |
35 | AliMUONTrackExtrap::SetField(AliTracker::GetFieldMap()); | |
36 | } | |
37 | ||
38 | TTree* dt = 0; | |
39 | TTree* ct = 0; | |
40 | TTree* ht = 0; | |
41 | ||
42 | if (gAliEveEvent == 0) { | |
43 | printf("No alieve event: use alieve_init(...) \n"); | |
44 | return; | |
45 | } | |
46 | ||
47 | if (g_currentEvent == gAliEveEvent->GetEventId()) { | |
48 | if (g_fromRaw == fromRaw) { | |
49 | printf("Same event... \n"); | |
50 | return; | |
51 | } else { | |
52 | if (g_fromRaw) { | |
53 | printf("Same event with digits.\n"); | |
54 | gAliEveEvent->GotoEvent(g_currentEvent); | |
55 | } else { | |
56 | printf("Same event with raw.\n"); | |
57 | gAliEveEvent->GotoEvent(g_currentEvent); | |
58 | } | |
59 | } | |
60 | } | |
61 | ||
62 | g_fromRaw = fromRaw; | |
63 | ||
64 | TString dataPath = TString(gAliEveEvent->GetTitle()); | |
65 | dataPath.Append("/rawmuon.root"); | |
66 | ||
67 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); | |
68 | g_muon_data = new AliEveMUONData; | |
69 | ||
70 | if (!fromRaw) { | |
71 | rl->LoadDigits("MUON"); | |
72 | dt = rl->GetTreeD("MUON", false); | |
73 | if (dt == 0) { | |
74 | cout << "No digits produced!" << endl; | |
75 | } else { | |
76 | cout << "With aliroot digits!" << endl; | |
77 | g_muon_data->LoadDigits(dt); | |
78 | } | |
79 | } else { | |
80 | if (gSystem->AccessPathName(dataPath.Data(),kFileExists)) { | |
81 | cout << "No raw data produced!" << endl; | |
82 | } else { | |
83 | cout << "With raw digits!" << endl; | |
84 | g_muon_data->LoadRaw(dataPath.Data()); | |
85 | } | |
86 | } | |
87 | ||
88 | rl->LoadRecPoints("MUON"); | |
89 | ct = rl->GetTreeR("MUON", false); | |
90 | ||
91 | TString esdDataPath = TString(gAliEveEvent->GetTitle()); | |
92 | esdDataPath.Append("/AliESDs.root"); | |
93 | g_muon_data->LoadRecPointsFromESD(esdDataPath.Data()); | |
94 | ||
95 | rl->LoadHits("MUON"); | |
96 | ht = rl->GetTreeH("MUON", false); | |
97 | g_muon_data->LoadHits(ht); | |
98 | ||
99 | g_muon_last_event = gAliEveEvent; | |
100 | ||
101 | g_currentEvent = g_muon_last_event->GetEventId(); | |
102 | ||
103 | gStyle->SetPalette(1, 0); | |
104 | ||
105 | gEve->DisableRedraw(); | |
106 | ||
107 | TEveElementList* l = new TEveElementList("MUONChambers"); | |
108 | l->SetTitle("MUON chambers"); | |
109 | l->SetMainColor(Color_t(2)); | |
110 | gEve->AddElement(l); | |
111 | ||
112 | for (Int_t ic = 0; ic < 14; ic++) | |
113 | { | |
114 | AliEveMUONChamber* mucha = new AliEveMUONChamber(ic); | |
115 | ||
116 | mucha->SetFrameColor(2); | |
117 | mucha->SetChamberID(ic); | |
118 | ||
119 | mucha->SetDataSource(g_muon_data); | |
120 | ||
121 | gEve->AddElement(mucha, l); | |
122 | } | |
123 | ||
124 | if (showTracks) { | |
125 | MUON_ESD_tracks(); | |
126 | MUON_Ref_tracks(); | |
127 | MUON_MC_tracks(); | |
128 | } | |
129 | ||
130 | gEve->Redraw3D(kTRUE); | |
131 | gEve->EnableRedraw(); | |
132 | } | |
133 | ||
134 | //______________________________________________________________________________ | |
135 | void MUON_ESD_tracks() | |
136 | { | |
137 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
138 | ||
139 | TEveTrackList* lt = new TEveTrackList("ESD-Tracks"); | |
140 | lt->SetMainColor(Color_t(6)); | |
141 | //lt->SetMUON(); | |
142 | ||
143 | gEve->AddElement(lt); | |
144 | ||
145 | AliESDMuonTrack *mt; | |
146 | TEveRecTrack rt; | |
147 | Int_t nMuonTracks = esd->GetNumberOfMuonTracks(); | |
148 | Int_t nTrack = 0; | |
149 | for (Int_t n = 0; n < nMuonTracks; n++) | |
150 | { | |
151 | mt = esd->GetMuonTrack(n); | |
152 | ||
153 | if (mt->GetNHit() == 0) continue; | |
154 | nTrack++; | |
155 | ||
156 | rt.fLabel = n; | |
157 | ||
158 | AliEveMUONTrack* track = new AliEveMUONTrack(&rt, lt->GetPropagator()); | |
159 | ||
160 | track->MakeESDTrack(mt); | |
161 | ||
162 | gEve->AddElement(track, lt); | |
163 | } | |
164 | ||
165 | } | |
166 | ||
167 | //______________________________________________________________________________ | |
168 | void MUON_Ref_tracks() | |
169 | { | |
170 | TString dataPathESD = TString(gAliEveEvent->GetTitle()); | |
171 | dataPathESD.Append("/AliESDs.root"); | |
172 | TString dataPathSIM = TString(gAliEveEvent->GetTitle()); | |
173 | dataPathSIM.Append("/"); | |
174 | ||
175 | AliMUONRecoCheck recoCheck(dataPathESD.Data(),dataPathSIM.Data()); | |
176 | AliMUONVTrackStore* trackRefStore = recoCheck.ReconstructibleTracks(gAliEveEvent->GetEventId()); | |
177 | TIter next(trackRefStore->CreateIterator()); | |
178 | AliMUONTrack* trackRef; | |
179 | ||
180 | TEveTrackList* lt = new TEveTrackList("Ref-Tracks"); | |
181 | lt->SetMainColor(Color_t(6)); | |
182 | ||
183 | gEve->AddElement(lt); | |
184 | ||
185 | TEveRecTrack rt; | |
186 | Int_t i = 0; | |
187 | while ( ( trackRef = static_cast<AliMUONTrack*>(next()) ) ) | |
188 | { | |
189 | rt.fLabel = i++; | |
190 | ||
191 | AliEveMUONTrack* track = new AliEveMUONTrack(&rt, lt->GetPropagator()); | |
192 | ||
193 | track->MakeRefTrack(trackRef); | |
194 | ||
195 | gEve->AddElement(track, lt); | |
196 | } | |
197 | ||
198 | } | |
199 | ||
200 | //______________________________________________________________________________ | |
201 | void MUON_MC_tracks() | |
202 | { | |
203 | Double_t RADDEG = 180.0/TMath::Pi(); | |
204 | ||
205 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); | |
206 | rl->LoadKinematics(); | |
207 | AliStack* stack = rl->Stack(); | |
208 | ||
209 | Int_t nPrimary = stack->GetNprimary(); | |
210 | Int_t nTracks = stack->GetNtrack(); | |
211 | ||
212 | TEveTrackList* lt = new TEveTrackList("MC-Tracks"); | |
213 | lt->SetMainColor(Color_t(6)); | |
214 | //lt->SetMUON(); | |
215 | ||
216 | gEve->AddElement(lt); | |
217 | ||
218 | Int_t pdgCode; | |
219 | TParticle *part; | |
220 | TEveRecTrack rt; | |
221 | ||
222 | Int_t nHitTracks = g_muon_data->GetNTrackList(); | |
223 | Int_t index; | |
224 | for (Int_t i = 0; i < nHitTracks; i++) | |
225 | { | |
226 | index = g_muon_data->GetTrack(i); | |
227 | if (index >= nTracks) { | |
228 | cout << "TEveHit track index larger than number in stack!" << endl; | |
229 | continue; | |
230 | } | |
231 | ||
232 | part = stack->Particle(index); | |
233 | if (part->P() < 0.001) continue; // skip momenta < 1.0 MeV/c | |
234 | rt.fLabel = i; | |
235 | ||
236 | AliEveMUONTrack* track = new AliEveMUONTrack(&rt, lt->GetPropagator()); | |
237 | ||
238 | track->MakeMCTrack(part); | |
239 | ||
240 | gEve->AddElement(track, lt); | |
241 | } | |
242 | ||
243 | rl->UnloadKinematics(); | |
244 | } | |
245 |