Napivo nous apporta ses lumieres en ce 12-01-2007 08:19:
> Thanks,

> I posted a message at http://docs.google.com/View?docid=dk65p6z_6cpkdtv to
> demonstrate  what I was trying to do.  It works now as I decided to curve
> the deck of the ship. This is more realistic anyhow.

> But I still find it odd that a flat bicubic_patch gives me a rectangle while
> a curved one curves in both directions.

> I will not worry about it any longer. For me the problem is solved.

> Thanks for your time

> Napivo
There is nothing "strange" about a flat bicubic_patch to apears as a rectangle. 
There are 4 base points and 12 equidistent control points, all coplanar, this 
can't make anything but a rectangle unless two base points are merged into one 
changint it into a triangle.

-- 
Alain
-------------------------------------------------
   I'm so ugly I stuck my head out the window and got arrested for Mooning.
   	Rodney Dangerfield

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