C++ (Cpp) IlcESDEvent::GetPrimaryVertexSPD示例

TEveStraightLineSet*
primary_vertex_box_spd(Bool_t use_sigma=kTRUE, Float_t fx=30, Float_t fy=30, Float_t fz=10)
{
  IlcESDEvent  *esd  = IlcEveEventManager::AssertESD();
  const IlcESDVertex *spdv = esd->GetPrimaryVertexSPD();
  if ( ! spdv->GetStatus()) {
    Info("primary_vertex_box_spd", "Primary vertex SPD not available.");
    return 0;
  }

  TEveStraightLineSet* ls = make_vertex_box(spdv, use_sigma, fx, fy, fz);
  ls->ApplyVizTag("REC PVTX Box SPD");
  assert_vertex_parent("Primary Vertex SPD", 6)->AddElement(ls);
  gEve->Redraw3D();
  return ls;
}