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 }