2 // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
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 **************************************************************************/
11 trd_hits(const char *varexp = "fX:fY:fZ",
12 const char *selection = "",
13 TEveElement* cont = 0)
15 AliRunLoader* rl = AliEveEventManager::AssertRunLoader();
18 TTree* ht = rl->GetTreeH("TRD", false);
20 TEvePointSet* points = new TEvePointSet(Form("TRD Hits '%s'", selection));
22 TEvePointSelector ps(ht, points, varexp, selection);
25 if (points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) {
26 Warning("trd_hits", Form("No hits match '%s'", selection));
33 points->SetName(Form("TRD Hits"));
34 const TString viz_tag("SIM Hits TRD");
35 points->ApplyVizTag(viz_tag, "Hits");
39 points->SetTitle(Form("N=%d", points->Size()));
40 points->SetMarkerSize(.5);
41 points->SetMarkerColor(7);
43 gEve->AddElement(points, cont);