You can draw additional tick marks via TPad::SetTicks(int tx, int ty)
By default only the left Y axis and X bottom axis are drawn (tx=ty= 0)
tx = 1 ; tick marks on top side are drawn (inside)
ty = 1; tick marks on right side are drawn (inside)
I have implemented the additional options in my dev version:
tx = 2; tick marks and labels on top side are drawn
ty = 2; tick marks and labels on right side are drawn
Rene Brun