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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 <TString.h> | |
12 | #include <TTree.h> | |
13 | #include <TEvePointSet.h> | |
14 | #include <TEveElement.h> | |
15 | #include <TEveManager.h> | |
16 | #include <TEveTreeTools.h> | |
17 | ||
18 | #include <STEER/STEER/AliRunLoader.h> | |
19 | #include <EVE/EveBase/AliEveEventManager.h> | |
20 | #endif | |
21 | ||
84aff7a4 | 22 | TEvePointSet* |
16718cdc | 23 | tpc_hits(const char *varexp = "TPC2.fArray.fR:TPC2.fArray.fFi:TPC2.fArray.fZ", |
24 | const char *selection = "TPC2.fArray.fR>80", | |
25 | TEveElement *cont = 0) | |
5a5a1232 | 26 | { |
27 | // Extracts 'major' TPC hits (not the compressed ones). | |
28 | // This gives ~2.5% of all hits. | |
29 | ||
d810d0de | 30 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); |
5a5a1232 | 31 | rl->LoadHits("TPC"); |
32 | ||
33 | TTree* ht = rl->GetTreeH("TPC", false); | |
f37061fc | 34 | |
9dcd42ea | 35 | TEvePointSet* points = new TEvePointSet(Form("TPC Hits '%s'", selection)); |
84aff7a4 | 36 | points->SetSourceCS(TEvePointSelectorConsumer::kTVT_RPhiZ); |
f37061fc | 37 | |
84aff7a4 | 38 | TEvePointSelector ps(ht, points, varexp, selection); |
f37061fc | 39 | ps.Select(); |
40 | ||
84aff7a4 | 41 | if (points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) { |
ba978640 | 42 | Warning("tpc_hits", "No hits match '%s'", selection); |
52465a1b | 43 | delete points; |
44 | return 0; | |
45 | } | |
9dcd42ea | 46 | |
30650838 | 47 | points->SetName(Form("TPC Hits")); |
9dcd42ea | 48 | const TString viz_tag("SIM Hits TPC"); |
49 | points->ApplyVizTag(viz_tag, "Hits"); | |
50 | ||
9dcd42ea | 51 | points->SetTitle(Form("N=%d", points->Size())); |
8a68912d | 52 | points->SetMarkerSize(.5); |
fbc350a3 | 53 | points->SetMarkerColor(3); |
5a5a1232 | 54 | |
84aff7a4 | 55 | gEve->AddElement(points, cont); |
56 | gEve->Redraw3D(); | |
5a5a1232 | 57 | |
58 | return points; | |
59 | } |