02/21/2002
15-462 Graphics I
9
Convex Hull
•
For 0
·
u
·
1, have 0
·
b
k
(u)
·
1
•
Recall:
•
p(u) = b
i-2
(u)p
i-2
+ b
i-1
(u)p
i-1
+ b
i
(u)p
i
+ b
i+1
(u)p
i+1
•
So each point p(u) lies in convex hull of p
k
