Here's two simple ray-tracers that I've taken from public domain archive
sites and compiled successfully on my NeXT.  I've also included a Viewer
for the output files that will even convert the files to .tiff! (Just
be sure that the output files have a '.pic' extension, and then the
viewer program, if on your current search path, will be automatically
launched when you double click a '.pic' file.)  All sources are included.
Have fun with these!

			-Don Yacktman

