EVE/alice-macros/acorde_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 acorde_hits(const char  *varexp    = "ACORDE.fX:ACORDE.fY:ACORDE.fZ",
  12             const char  *selection = "",
  13             TEveElement *cont      = 0)
  14 {
  15   AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
  16   rl->LoadHits("ACORDE");
  17
  18   TTree* ht = rl->GetTreeH("ACORDE", false);
  19
  20   TEvePointSet* points = new TEvePointSet(Form("ACORDE Hits '%s'", selection));
  21
  22   TEvePointSelector ps(ht, points, varexp, selection);
  23   ps.Select();
  24
  25   if(points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE)
  26   {
  27     Warning("acorde_hits", Form("No hits match '%s'", selection));
  28     delete points;
  29     return 0;
  30   }
  31
  32   // PD - added tags
  33
  34   points->SetName(Form("ACORDE Hits"));
  35   const TString viz_tag("SIM Hits ACORDE");
  36   points->ApplyVizTag(viz_tag, "Hits");
  37
  38   // PD
  39
  40   points->SetTitle(Form("N=%d", points->Size()));
  41   points->SetMarkerSize(.5);
  42   points->SetMarkerColor(2);
  43
  44   gEve->AddElement(points, cont);
  45   gEve->Redraw3D();
  46
  47   return points;
  48 }