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Commit | Line | Data |
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cdd1f390 | 1 | // $Id$ |
d810d0de | 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 * | |
51346b82 | 7 | * full copyright notice. * |
d810d0de | 8 | **************************************************************************/ |
cdd1f390 | 9 | |
84aff7a4 | 10 | TEvePointSet* clusters_from_index(Int_t index=0, TEveElement* cont=0) |
cdd1f390 | 11 | { |
d810d0de | 12 | AliESDEvent* esd = AliEveEventManager::AssertESD(); |
cdd1f390 | 13 | |
0e0a00ee | 14 | if (index < 0) { |
15 | Warning("clusters_from_index", "index not set."); | |
16 | return 0; | |
17 | } | |
18 | ||
19 | if (index >= esd->GetNumberOfTracks()) { | |
20 | Warning("clusters_from_index", "index out of range"); | |
cdd1f390 | 21 | return 0; |
22 | } | |
23 | ||
84aff7a4 | 24 | TEvePointSet* clusters = new TEvePointSet(64); |
cdd1f390 | 25 | clusters->SetOwnIds(kTRUE); |
26 | ||
27 | AliESDtrack* at = esd->GetTrack(index); | |
2caed564 | 28 | const AliTrackPointArray* pArr = at->GetTrackPointArray(); |
29 | if (pArr == 0) { | |
30 | Warning("clusters_from_index", "TrackPointArray not stored with ESD track."); | |
31 | continue; | |
32 | } | |
33 | Int_t np = pArr->GetNPoints(); | |
34 | const Float_t* x = pArr->GetX(); | |
35 | const Float_t* y = pArr->GetY(); | |
36 | const Float_t* z = pArr->GetZ(); | |
37 | for (Int_t i=0; i<np; ++i) { | |
38 | clusters->SetNextPoint(x[i], y[i], z[i]); | |
39 | AliTrackPoint *atp = new AliTrackPoint; | |
40 | pArr->GetPoint(*atp, i); | |
41 | clusters->SetPointId(atp); } | |
42 | ||
51346b82 | 43 | |
84aff7a4 | 44 | if(clusters->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) { |
2caed564 | 45 | Warning("clusters_from_index", Form("No clusters for index '%d'", index)); |
46 | delete clusters; | |
47 | return 0; | |
48 | } | |
cdd1f390 | 49 | |
50 | clusters->SetMarkerStyle(2); | |
51 | clusters->SetMarkerSize(0.5); | |
52 | clusters->SetMarkerColor(4); | |
53 | ||
54 | //PH The line below is replaced waiting for a fix in Root | |
55 | //PH which permits to use variable siza arguments in CINT | |
56 | //PH on some platforms (alphalinuxgcc, solariscc5, etc.) | |
57 | //PH clusters->SetName(Form("Clusters idx=%d", index)); | |
58 | char form[1000]; | |
59 | sprintf(form,"Clusters idx=%d", index); | |
60 | clusters->SetName(form); | |
61 | ||
2caed564 | 62 | char tip[1000]; |
63 | sprintf(tip,"N=%d", clusters->Size()); | |
64 | clusters->SetTitle(tip); | |
84aff7a4 | 65 | gEve->AddElement(clusters); |
66 | gEve->Redraw3D(); | |
cdd1f390 | 67 | |
68 | return clusters; | |
69 | } |