>>There must be a way to calculate that using another value, like 100 for a circle (or >ellipse) and 0 for a square (or rectangle) and create the array used to create the >shape.
>
>
>you can create as many (x,y) points on the graph as you like.
>
>suppose you have a circle of radius r
>given the x coordinate you can calculate the y coordinate in this way
>
>y = (r^2 - x^2)^(1/2)
>
>crank as many points as necessary.
>
>this is just a rearrangement of ( x^2 + y^2 = r^2 ) the pythagorean theorem.
>
>have fun!
>Dave.

And I thought I would never need math... Doh! <g>