How Many Ways Can You Draw a Circle?

This is the, first in a series of columns on whatever I want to say about Computer Graphics. I intend in this column to explore ideas of interest to me-primarily geometdic and algorithmic games pertaining to picture making-perhaps interspersed with my foaming at the mouth over philosophical issues about what-it-allmeans.1I have a bunch of ideas to start with, bbut as time goes on, 'I hope others will write in ideas and suggestions I can report on.