how to cap oval

 From:  mrjynx
6167.3 In reply to 6167.2 
Id like to be able to control the bulge like I would with the slider in network.

if I don't have the 4 profile curves and I just have an open oval and want to create an oval bulge, whats the quickest way to do it.
am I going to have to draw 4 profile curves each time?