po0o+@andrew.cmu.edu (Paul Andrew Olbrich) (12/11/88)
A few questions! Has anyone had any experience ray tracing complex 3D trig equations? For example, z = sin(sqrt(x^2 + y^2)). z = 1/(x^2 + y^2) would be nice too. This is really icky 'cause you can't just solve for a parametric value of t using the quadratic equation. I was thinking of applying Newton's method, but I feel that it might be slow. Is there a better way? Also, does anyone have a digitized picture of a mandrill they can send me? Unpacking (data compressio, ack.) instructions would be nice too. Any resolution would be great. (But 24 bit color would be best.) Thanks folks! Drew Olbrich po0o+@andrew.cmu.edu