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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 | |
f37061fc | 10 | void tpc_hits_eta_split(const char *varexp = |
11 | "TPC2.fArray.fR:TPC2.fArray.fFi:TPC2.fArray.fZ" | |
12 | ":TPC2.fArray.Eta()", | |
13 | const char *selection = "TPC2.fArray.fR>80") | |
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); | |
5a5a1232 | 22 | |
84aff7a4 | 23 | TEvePointSetArray* l = new TEvePointSetArray("TPC hits - Eta Slices", ""); |
24 | l->SetSourceCS(TEvePointSelectorConsumer::kTVT_RPhiZ); | |
fbc350a3 | 25 | l->SetMarkerColor(3); |
02fe340a | 26 | l->SetMarkerStyle(20); // full circle |
8a68912d | 27 | l->SetMarkerSize(.5); |
51346b82 | 28 | |
84aff7a4 | 29 | gEve->AddElement(l); |
5b96ea20 | 30 | l->InitBins("Eta", 20, -2, 2); |
5a5a1232 | 31 | |
84aff7a4 | 32 | TEvePointSelector ps(ht, l, varexp, selection); |
f37061fc | 33 | ps.Select(); |
5a5a1232 | 34 | |
02fe340a | 35 | l->CloseBins(); |
5a5a1232 | 36 | |
84aff7a4 | 37 | gEve->Redraw3D(); |
5a5a1232 | 38 | } |