keithd@cadovax.UUCP (Keith Doyle) (11/03/84)
Help!
Can anyone out there in graphics-land point me to information on algorithms
for generating elliptical arcs on graphics tubes? Something in the form of
a incremental technique (like Bresenham's ) but that discusses the problems
of displaying small portions of the total ellipse (starting and stopping
at arbitrary points) is what I need. I'm now using an ellipse algorithm
described by Jerry R. Van Aken in the Sept. 1984 IEEE CG&A, and have
found it very satisfactory for complete ellipses, but at present haven't
any good ideas as to how to generate partial ellipses (perhaps some sort
of filter?). If any of you out in net-land know of any info on this one
I'd greatly appreciate it.
Keith Doyle
{ucbvax,decvax}!trwrb!cadovax!keithd