Bug fix in Tracking2Local matrices of the SPD inner layer (A. Dainese)

[u/mrichter/AliRoot.git] / EVE / alice-macros / esd_V0_points.C

// $Id$
// Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007

/**************************************************************************
 * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
 * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for          *
 * full copyright notice.                                                 *
 **************************************************************************/

TEvePointSet*
esd_V0_points()
{
  AliESDEvent* esd = AliEveEventManager::AssertESD();

  Int_t NV0s = esd->GetNumberOfV0s();
  TEvePointSet* points = new TEvePointSet("V0 vertex locations", NV0s);

  Double_t x, y, z;
  for (Int_t n = 0; n < NV0s; ++n)
  {
    AliESDv0* av = esd->GetV0(n);
    av->GetXYZ(x, y, z);
    points->SetNextPoint(x, y, z);
    points->SetPointId(av);
  }

  //PH The line below is replaced waiting for a fix in Root
  //PH which permits to use variable siza arguments in CINT
  //PH on some platforms (alphalinuxgcc, solariscc5, etc.)
  //PH  points->SetTitle(Form("N=%d", points->Size()));
  char form[1000];
  sprintf(form,"N=%d", points->Size());
  points->SetTitle(form);
  points->SetMarkerStyle(4);
  points->SetMarkerSize(1);
  points->SetMarkerColor((Color_t)30);

  gEve->AddElement(points);
  gEve->Redraw3D();

  return points;
}