Geometry for MFT (Brigitte)
[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 #if !defined(__CINT__) || defined(__MAKECINT__)
11 #include <TTree.h>
12 #include <TStyle.h>
13 #include <TString.h>
14 #include <TEveManager.h>
15 #include <TEvePointSet.h>
16 #include <TEveTrans.h>
17
18 #include <AliRunLoader.h>
19 #include <AliEveEventManager.h>
20 #endif
21
22 TEvePointSet*
23 pmd_hits(const char *varexp    = "fX:fY:fZ",
24          const char *selection = "")
25 {
26   AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
27   rl->LoadHits("PMD");
28
29   TTree* ht = rl->GetTreeH("PMD", false);
30
31   TEvePointSet* points = new TEvePointSet(Form("PMD Hits '%s'", selection));
32
33   TEvePointSelector ps(ht, points, varexp, selection);
34   ps.Select();
35
36   points->SetName(Form("PMD Hits"));
37   const TString viz_tag("SIM Hits PMD");
38   points->ApplyVizTag(viz_tag, "Hits");
39
40   points->SetTitle(Form("N=%d", points->Size()));
41   points->SetMarkerSize(.5);
42   points->SetMarkerColor(2);
43
44   gEve->AddElement(points);
45   gEve->Redraw3D();
46
47   return points;
48 }