From Pawel Debski: more modes for VizDB.
[u/mrichter/AliRoot.git] / EVE / alice-macros / vzero_hits.C
1 // $Id$
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          *
7  * full copyright notice.                                                 *
8  **************************************************************************/
9
10 TEvePointSet*
11 vzero_hits(const char *varexp    = "fX:fY:fZ",
12            const char *selection = "")
13 {
14   AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
15   rl->LoadHits("VZERO");
16
17   TTree* ht = rl->GetTreeH("VZERO", false);
18
19   TEvePointSet* points = new TEvePointSet(Form("SIM Hits VZERO '%s'", selection));
20
21   TEvePointSelector ps(ht, points, varexp, selection);
22   ps.Select();
23
24   points->SetName(Form("VZERO Hits"));
25   const TString viz_tag("SIM Hits VZERO");
26   points->ApplyVizTag(viz_tag, "Hits");
27
28   points->SetTitle(Form("N=%d", points->Size()));
29   points->SetMarkerSize(.5);
30   points->SetMarkerColor(2);
31
32   gEve->AddElement(points);
33   gEve->Redraw3D();
34
35   return points;
36 }