                           m_singleton->getTrackerTrackPropagator() : m_singleton->getTrackPropagator();

   TEveRecTrack t;
   t.fBeta = 1;
   t.fP = TEveVector( iData.px(), iData.py(), iData.pz() );
   t.fV = TEveVector( iData.vertex().x(), iData.vertex().y(), iData.vertex().z() );
   t.fSign = iData.charge();
   TEveTrack *trk = new TEveTrack( &t, propagator );
   trk->MakeTrack();

   return trk;
}

//______________________________________________________________________________
TEveStraightLineSet *