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
  10 TEvePointSet*
  11 tof_hits(const char *varexp    = "fX:fY:fZ",
  12          const char *selection = "",
  13          TEveElement* cont)
  14 {
  15   AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
  16   rl->LoadHits("TOF");
  17
  18   TTree* ht = rl->GetTreeH("TOF", false);
  19
  20   //PH The line below is replaced waiting for a fix in Root
  21   //PH which permits to use variable siza arguments in CINT
  22   //PH on some platforms (alphalinuxgcc, solariscc5, etc.)
  23   //PH  TEvePointSet* points = new TEvePointSet(Form("TOF Hits '%s'", selection));
  24   char form[1000];
  25   sprintf(form,"TOF Hits '%s'", selection);
  26   TEvePointSet* points = new TEvePointSet(form);
  27
  28   TEvePointSelector ps(ht, points, varexp, selection);
  29   ps.Select();
  30
  31   if( points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) {
  32     Warning("tof_hits", Form("No hits match '%s'", selection));
  33     delete points;
  34     return 0;
  35   }
  36
  37   //PH  points->SetTitle(Form("N=%d", points->Size()));
  38   sprintf(form,"N=%d", points->Size());
  39   points->SetTitle(form);
  40   points->SetMarkerSize(.5);
  41   points->SetMarkerColor(2);
  42
  43   gEve->AddElement(points, cont);
  44   gEve->Redraw3D();
  45
  46   return points;
  47 }