04/15/2003
15-462 Graphics I
6
Contour Curves
•Recall: implicit curve f(x,y) = 0
•f(x,y) < 0 inside, f(x,y) > 0 outside
•Here: contour curve at f(x,y) = c
•Sample at regular intervals for x,y
•
•
•How can we draw the curve?