Michael_C opened this issue on Feb 06, 2007 · 6 posts
nruddock posted Tue, 06 February 2007 at 4:50 PM
The classic formula for an Elliptic paraboloid is :-
x2 y2
-- + -- = 2z
a2 b2
This translates to :-
a=2.0;
b=2.0;
t=30*(u-0.5);
s=30*(v-0.5);
x=t;
y=s;
z=(((tt) / (a * a)) + ((ss) / (b * b))) / 2.0;
If you want a Hyperbolic paraboloid substitute :-
z=(((tt) / (a * a)) - ((ss) / (b * b))) / 2.0;