From Pawel Debski: more modes for VizDB.
[u/mrichter/AliRoot.git] / EVE / alice-macros / trd_hits.C
CommitLineData
a8600b56 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 **************************************************************************/
a8600b56 9
84aff7a4 10TEvePointSet*
a8600b56 11trd_hits(const char *varexp = "fX:fY:fZ",
2caed564 12 const char *selection = "",
84aff7a4 13 TEveElement* cont = 0)
a8600b56 14{
d810d0de 15 AliRunLoader* rl = AliEveEventManager::AssertRunLoader();
a8600b56 16 rl->LoadHits("TRD");
17
18 TTree* ht = rl->GetTreeH("TRD", false);
51346b82 19
9dcd42ea 20 TEvePointSet* points = new TEvePointSet(Form("TRD Hits '%s'", selection));
a8600b56 21
84aff7a4 22 TEvePointSelector ps(ht, points, varexp, selection);
a8600b56 23 ps.Select();
24
84aff7a4 25 if (points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) {
bcb585f3 26 Warning("trd_hits", Form("No hits match '%s'", selection));
52465a1b 27 delete points;
28 return 0;
29 }
30
30650838 31 points->SetName(Form("TRD Hits"));
32 const TString viz_tag("SIM Hits TRD");
33 points->ApplyVizTag(viz_tag, "Hits");
34
9dcd42ea 35 points->SetTitle(Form("N=%d", points->Size()));
a8600b56 36 points->SetMarkerSize(.5);
fbc350a3 37 points->SetMarkerColor(7);
a8600b56 38
84aff7a4 39 gEve->AddElement(points, cont);
40 gEve->Redraw3D();
a8600b56 41
42 return points;
43}