EVE/alice-macros/its_hits.C

   1 // $Id$
   2
   3 Reve::PointSet*
   4 its_hits(const char *varexp    = "fX:fY:fZ",
   5          const char *selection = "",
   6          Reve::RenderElement* cont = 0)
   7 {
   8   AliRunLoader* rl =  Alieve::Event::AssertRunLoader();
   9   rl->LoadHits("ITS");
  10
  11   TTree* ht = rl->GetTreeH("ITS", false);
  12
  13   //PH The line below is replaced waiting for a fix in Root
  14   //PH which permits to use variable siza arguments in CINT
  15   //PH on some platforms (alphalinuxgcc, solariscc5, etc.)
  16   //PH  Reve::PointSet* points = new Reve::PointSet(Form("ITS Hits '%s'", selection));
  17   char form[1000];
  18   sprintf(form,"ITS Hits '%s'", selection);
  19   Reve::PointSet* points = new Reve::PointSet(form);
  20
  21   TPointSelector ps(ht, points, varexp, selection);
  22   // ps.SetSubIdExp("fTrack:fStatus");
  23   ps.Select();
  24
  25   if(points->Size() == 0 && gReve->GetKeepEmptyCont() == kFALSE) {
  26     Warning("its_hits", Form("No hits match '%s'", selection));
  27     delete points;
  28     return 0;
  29   }
  30
  31   //PH  points->SetTitle(Form("N=%d", points->Size()));
  32   sprintf(form,"N=%d", points->Size());
  33   points->SetTitle(form);
  34   points->SetMarkerSize(.5);
  35   points->SetMarkerColor((Color_t)2);
  36
  37   gReve->AddRenderElement(points, cont);
  38   gReve->Redraw3D();
  39
  40   return points;
  41 }