CS335
Fall, 2008
Homework 8 (20 points)
Due: November 20, 2008 (Thursday)

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1. (Curves)
   A uniform cubic B-spline curve defined by 12 control points Pi,
   0 <= i <= 11, has 9 segments. How is the third segment of this
   curve defiend?  (5 points)

2. (curves)
   In the above uniform cubic B-spline curve, if we move control point
   P5 to a new localtion, how many segments would be affected?
   which segments?  (5 points)

3. (Clipping)
   Why is clipping necessary? What would happen if clipping is
   not performed or not performed properly?    (10 points)


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Put you solution set in a text file  and send the text file to the
grader (xuwei.liang@uky.edu) before midnight of the due day.

           CS535 (Fall 2008)
           Solution of Homework 8
           Due: 11/20/08
           Name: xxxxxx xxxxxx