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38fb31ba | 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 | **************************************************************************/ |
38fb31ba | 9 | |
84aff7a4 | 10 | TEvePointSet* |
38fb31ba | 11 | emcal_hits(const char *varexp = "fX:fY:fZ", |
12 | const char *selection = "", | |
84aff7a4 | 13 | TEveElement* cont = 0) |
38fb31ba | 14 | { |
d810d0de | 15 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); |
38fb31ba | 16 | rl->LoadHits("EMCAL"); |
17 | ||
18 | TTree* ht = rl->GetTreeH("EMCAL", false); | |
51346b82 | 19 | |
30650838 | 20 | TEvePointSet* points = new TEvePointSet(Form("EMCAL Hits '%s'", selection)); |
38fb31ba | 21 | |
84aff7a4 | 22 | TEvePointSelector ps(ht, points, varexp, selection); |
38fb31ba | 23 | ps.Select(); |
24 | ||
84aff7a4 | 25 | if (points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) { |
38fb31ba | 26 | Warning("emcal_hits", Form("No hits match '%s'", selection)); |
27 | delete points; | |
28 | return 0; | |
29 | } | |
30 | ||
30650838 | 31 | points->SetName(Form("EMCAL Hits")); |
32 | const TString viz_tag("SIM Hits EMCAL"); | |
33 | points->ApplyVizTag(viz_tag, "Hits"); | |
34 | ||
9dcd42ea | 35 | points->SetTitle(Form("N=%d", points->Size())); |
38fb31ba | 36 | points->SetMarkerSize(.5); |
fbc350a3 | 37 | points->SetMarkerColor(2); |
38fb31ba | 38 | |
84aff7a4 | 39 | gEve->AddElement(points, cont); |
40 | gEve->Redraw3D(); | |
38fb31ba | 41 | |
42 | return points; | |
43 | } |