Added support to display the HLT ESD Tree. See the comment in visscan_local.C for How
[u/mrichter/AliRoot.git] / EVE / alice-macros / tof_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 #if !defined(__CINT__) || defined(__MAKECINT__)
10 #include <TString.h>
11 #include <TTree.h>
12 #include <TEvePointSet.h>
13 #include <TEveElement.h>
14 #include <TEveManager.h>
15 #include <TEveTreeTools.h>
16
17 #include <AliRunLoader.h>
18 #include <AliEveEventManager.h>
19 #endif
20
21 TEvePointSet*
22 tof_hits(const char *varexp    = "fX:fY:fZ",
23          const char *selection = "",
24          TEveElement* cont=0)
25 {
26   AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
27   rl->LoadHits("TOF");
28
29   TTree* ht = rl->GetTreeH("TOF", false);
30   
31   TEvePointSet* points = new TEvePointSet(Form("TOF Hits '%s'", selection));
32
33   TEvePointSelector ps(ht, points, varexp, selection);
34   ps.Select();
35
36   if( points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) {
37     Warning("tof_hits", "No hits match '%s'", selection);
38     delete points;
39     return 0;
40   }
41
42  // PD - added tags
43   
44   points->SetName(Form("TOF Hits"));
45   const TString viz_tag("SIM Hits TOF");
46   points->ApplyVizTag(viz_tag, "Hits");
47
48   // PD
49
50   points->SetTitle(Form("N=%d", points->Size()));
51   points->SetMarkerSize(.5);
52   points->SetMarkerColor(2);
53
54   gEve->AddElement(points, cont);
55   gEve->Redraw3D();
56
57   return points;
58 }