01/23/2003
15-462 Graphics I
12
Plane
•Plane
defined by point P0 and
vectors u and v
•u and
v cannot be parallel
•Parametric
form: T(a, b) = P0 + a u + b
v
•Let n
= u £ v be the normal
•Then n
¢ (P – P0) = 0 iff P lies in
plane