Eng Lim Goh (englim++at++sgisgp.singapore.sgi.com)
Mon, 20 Feb 95 12:53:41 SST
> > What can you do to solve this problem on a Indigo Extreme that can not
> > support stencil or displacepolygon commands?
>
> There is a zbuffering decal technique which can be used on machines without
> stencil planes or the displace polygon facility. It could work with your roads
> provided your database is suitably constructed. This is another trick from an
> ancient issue of IRIS Universe, I forget the issue and author, again. I think
> it was called "Zbuffer Magic", or something.
IRIS UNIVERSE Issue No. 11, 1989/1990, starting pg. 31,
"The Hidden Charms of Z-Buffer" by Kurt Akeley, one of the SGI founders.
Cheers,
gel
englim++at++singapore.sgi.com
Dr. Goh Eng Lim
Director
North Pacific Technology Centre
This archive was generated by hypermail 2.0b2 on Mon Aug 10 1998 - 17:50:59 PDT