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From: wagener@unidocv..uucp (Roland Wagener)
Newsgroups: comp.graphics
Subject: MTV-Raytracer on ATARI ST
Message-ID: <1171@laura.UUCP>
Date: 6 Mar 89 10:48:51 GMT
Sender: root@laura.UUCP
Reply-To: wagener@unidocv.UUCP (Roland Wagener)
Organization: University of Dortmund, W-Germany
Lines: 21

I have ported the MTV-Raytracer on the ATARI ST using the Turbo-C-
Compiler. The Program works fine and it uses about 3 hours CPU-Time
to create the Balls-Picture in 320x200 Resolution.

But there is a bug somewhere in the program. There are white spots in
all reflecting surfaces. This bug does not apear on a IBM-PC programmed
with Zortech-C++. But the PC needs 5 hours for a 200x200-Picture ...

If somebody has ported the Raytracer on the ATARI ST without the disturbing
white spots : Please send the binary in binarys.ST .

I have programmed the octree-reduction-algorithm in two versions. One
version for 16 colours out of 512 and one version for 256 colours out of
256K. The last version needs a aditional graphics-board to show the
pictures.

I will post this C-Source if anyone asks for it.

Thanks in advance for your help ...

Roland & Hartmut Wagener