From Pawel Debski:
[u/mrichter/AliRoot.git] / EVE / alice-macros / pmd_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 pmd_hits(const char *varexp    = "fX:fY:fZ",
12          const char *selection = "")
13 {
14   AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
15   rl->LoadHits("PMD");
16
17   TTree* ht = rl->GetTreeH("PMD", false);
18
19   TEvePointSet* points = new TEvePointSet(Form("SIM Hits PMD '%s'", selection));
20
21   TEvePointSelector ps(ht, points, varexp, selection);
22   ps.Select();
23
24   points->SetTitle(Form("N=%d", points->Size()));
25   points->SetMarkerSize(.5);
26   points->SetMarkerColor(2);
27
28   gEve->AddElement(points);
29   gEve->Redraw3D();
30
31   return points;
32 }