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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 | |
ba978640 | 10 | #if !defined(__CINT__) || defined(__MAKECINT__) |
11 | #include <TTree.h> | |
12 | #include <TEveManager.h> | |
13 | #include <TEvePointSet.h> | |
14 | #include <TEveTreeTools.h> | |
15 | ||
16 | #include <STEER/STEER/AliRunLoader.h> | |
17 | #include <EVE/EveBase/AliEveEventManager.h> | |
18 | #endif | |
19 | ||
f37061fc | 20 | void tpc_hits_eta_split(const char *varexp = |
21 | "TPC2.fArray.fR:TPC2.fArray.fFi:TPC2.fArray.fZ" | |
22 | ":TPC2.fArray.Eta()", | |
23 | const char *selection = "TPC2.fArray.fR>80") | |
5a5a1232 | 24 | { |
25 | // Extracts 'major' TPC hits (not the compressed ones). | |
26 | // This gives ~2.5% of all hits. | |
27 | ||
d810d0de | 28 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); |
5a5a1232 | 29 | rl->LoadHits("TPC"); |
30 | ||
31 | TTree* ht = rl->GetTreeH("TPC", false); | |
5a5a1232 | 32 | |
84aff7a4 | 33 | TEvePointSetArray* l = new TEvePointSetArray("TPC hits - Eta Slices", ""); |
34 | l->SetSourceCS(TEvePointSelectorConsumer::kTVT_RPhiZ); | |
fbc350a3 | 35 | l->SetMarkerColor(3); |
02fe340a | 36 | l->SetMarkerStyle(20); // full circle |
8a68912d | 37 | l->SetMarkerSize(.5); |
51346b82 | 38 | |
84aff7a4 | 39 | gEve->AddElement(l); |
5b96ea20 | 40 | l->InitBins("Eta", 20, -2, 2); |
5a5a1232 | 41 | |
84aff7a4 | 42 | TEvePointSelector ps(ht, l, varexp, selection); |
f37061fc | 43 | ps.Select(); |
5a5a1232 | 44 | |
02fe340a | 45 | l->CloseBins(); |
5a5a1232 | 46 | |
84aff7a4 | 47 | gEve->Redraw3D(); |
5a5a1232 | 48 | } |