Community Tip - Did you get called away in the middle of writing a post? Don't worry you can find your unfinished post later in the Drafts section of your profile page.
X
Go to Applications -> Legasy then click the " Insert a datum curve " option, now u can see all the options of datum curve at right side ur display window, in that window select Composite -> Exact -> one by one -> select ur curves do done -> ok Venu