1/28/2004 slide 21
Rule
8: Convex bound = convex rim
&
Rule 9: Concave bound = saddle
Rule 10: Smooth it out
Rule 9: Concave bound = saddle
Rule 10: Smooth it out
•Rule 8: “Interpret convexities in a silhouette as
convexities in 3D.” [Hoffman 1998 p.42]
•Rule 9: “Interpret concavities in a silhouette as
saddles in 3D.” [Hoffman 1998 p.42]
•Rule 10: “Construct surfaces in 3D that are as smooth as
possible” [Hoffman 1998 P. 43]
