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
  11 TEvePointSet*
  12 tof_hits(const char *varexp    = "fX:fY:fZ",
  13          const char *selection = "",
  14          TEveElement* cont)
  15 {
  16   AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
  17   rl->LoadHits("TOF");
  18
  19   TTree* ht = rl->GetTreeH("TOF", false);
  20
  21   //PH The line below is replaced waiting for a fix in Root
  22   //PH which permits to use variable siza arguments in CINT
  23   //PH on some platforms (alphalinuxgcc, solariscc5, etc.)
  24   //PH  TEvePointSet* points = new TEvePointSet(Form("TOF Hits '%s'", selection));
  25   char form[1000];
  26   sprintf(form,"TOF Hits '%s'", selection);
  27   TEvePointSet* points = new TEvePointSet(form);
  28
  29   TEvePointSelector ps(ht, points, varexp, selection);
  30   ps.Select();
  31
  32   if( points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) {
  33     Warning("tof_hits", Form("No hits match '%s'", selection));
  34     delete points;
  35     return 0;
  36   }
  37
  38   //PH  points->SetTitle(Form("N=%d", points->Size()));
  39   sprintf(form,"N=%d", points->Size());
  40   points->SetTitle(form);
  41   points->SetMarkerSize(.5);
  42   points->SetMarkerColor((Color_t)2);
  43
  44   gEve->AddElement(points, cont);
  45   gEve->Redraw3D();
  46
  47   return points;
  48 }