the most use of graph foucus on Variable Section Sweep if You combine graph with trajpar function in VSS profile then the results obtained from such configuration could be very intresting the graph could be used for example to control curvature radius along VSS trajectory anyway You can find some furhter information here http://www.mcadcentral.com/proe/forum/forum_posts.asp?TID=33379&PN=1&TPN=17 take a look on jeff4136 post
