Next: Modeling Natural Phenomenon
Up: Conic Sections and
Previous: Rational Quadratic Bezier
- Conics as NURBS (Ellipse)
-
which implies
- Conics as NURBS (Hyperbola)
-
-
- which implies:
- Conics as NURBS (Parabola)
-
-
- which implies:
- Not Unique
-
- x,y,w are not unique
- Numerator and denominator can be multiplied by a common
(positive) factor
- For Example, A Common Alternative Form:
-
-
- which derives from rewriting:
CS488/688: Introduction to Interactive Computer Graphics
University of Waterloo
Computer Graphics Lab
cs488@cgl.uwaterloo.ca