// $Header$

Reve::StraightLineSet* reve_lineset_test(Int_t nlines = 40, Int_t nmarkers = 4) 
{
  Reve::StraightLineSet* ls = new Reve::StraightLineSet();

  TRandom r(0);
  Float_t s = 100;

  for(Int_t i = 0; i<nlines; i++)
  {
    ls->AddLine( r.Uniform(-s,s), r.Uniform(-s,s), r.Uniform(-s,s),
		 r.Uniform(-s,s), r.Uniform(-s,s), r.Uniform(-s,s));
    // add random number of markers
    Int_t nm = Int_t(nmarkers* r.Rndm());
    for(Int_t m = 0; m < nm; m++) {
      ls->AddMarker(i, r.Rndm());
    }
  }
  
  gReve->AddRenderElement(ls);
  gReve->Redraw3D();
 
  return ls;  
}