Rational C^{0} Bezier Spline Applet
DIRECTIONS: In this applet, you create a rational
Bezier spline by placing control points p_{i} = (x_{i},y_{i})
on the screen, which are stored as points in space as (1,x_{i},y_{i}).
The weights λ_{i} are initially set as 1, and are
modified by using the A and Z keys. The A key decreases the weight
and the Z key increases the weight. The algorithm for creating
the composite rational Bezier curve is the same as for Bezier
splines.


