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Commit | Line | Data |
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5a5a1232 | 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 | **************************************************************************/ |
5a5a1232 | 9 | |
84aff7a4 | 10 | TEvePointSet* |
16718cdc | 11 | tpc_hits(const char *varexp = "TPC2.fArray.fR:TPC2.fArray.fFi:TPC2.fArray.fZ", |
12 | const char *selection = "TPC2.fArray.fR>80", | |
13 | TEveElement *cont = 0) | |
5a5a1232 | 14 | { |
15 | // Extracts 'major' TPC hits (not the compressed ones). | |
16 | // This gives ~2.5% of all hits. | |
17 | ||
d810d0de | 18 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); |
5a5a1232 | 19 | rl->LoadHits("TPC"); |
20 | ||
21 | TTree* ht = rl->GetTreeH("TPC", false); | |
f37061fc | 22 | |
7be1e8cd | 23 | //PH The line below is replaced waiting for a fix in Root |
24 | //PH which permits to use variable siza arguments in CINT | |
25 | //PH on some platforms (alphalinuxgcc, solariscc5, etc.) | |
84aff7a4 | 26 | //PH TEvePointSet* points = new TEvePointSet(Form("TPC Hits '%s'", selection)); |
7be1e8cd | 27 | char form[1000]; |
28 | sprintf(form,"TPC Hits '%s'", selection); | |
84aff7a4 | 29 | TEvePointSet* points = new TEvePointSet(form); |
30 | points->SetSourceCS(TEvePointSelectorConsumer::kTVT_RPhiZ); | |
f37061fc | 31 | |
84aff7a4 | 32 | TEvePointSelector ps(ht, points, varexp, selection); |
f37061fc | 33 | ps.Select(); |
34 | ||
84aff7a4 | 35 | if (points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) { |
bcb585f3 | 36 | Warning("tpc_hits", Form("No hits match '%s'", selection)); |
52465a1b | 37 | delete points; |
38 | return 0; | |
39 | } | |
40 | ||
7be1e8cd | 41 | //PH points->SetTitle(Form("N=%d", points->Size())); |
42 | sprintf(form,"N=%d", points->Size()); | |
43 | points->SetTitle(form); | |
8a68912d | 44 | points->SetMarkerSize(.5); |
fbc350a3 | 45 | points->SetMarkerColor(3); |
5a5a1232 | 46 | |
84aff7a4 | 47 | gEve->AddElement(points, cont); |
48 | gEve->Redraw3D(); | |
5a5a1232 | 49 | |
50 | return points; | |
51 | } |