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From: french@caip.RUTGERS.EDU
Newsgroups: net.micro.amiga
Subject: Mandelbrot Sets, 3.02, etc.
Message-ID: <969@caip.RUTGERS.EDU>
Date: Mon, 13-Jan-86 03:48:03 EST
Article-I.D.: caip.969
Posted: Mon Jan 13 03:48:03 1986
Date-Received: Tue, 14-Jan-86 05:34:24 EST
Sender: daemon@caip.RUTGERS.EDU
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 46

From: "french robert%c.mfenet"@LLL-MFE.ARPA

Before I start on the problems I've been having, let me thank RJ Mical for
turning my first attempt at Amiga programming into an incredible graphics
system.  It's amazing how much you can learn from looking thru code that
stiil bears your name somewhere!  The DPAINT interface is really neat.
(While I'm at it, I congratulate Electronic Arts for DPAINT, easily their
magnus opus to date.  It ought to sell a few Amigas by itself!)
RJ - I wish you the best of luck in the future, and await your next
software releases.

Now for the problems...

I have been having the same problems as Bernie Cosell <cosell@BBN-PROPHET.ARPA>.
The Lattice bug with consecutive floating point assignments was mentioned
in Bob P's fast floating point demonstration program, but I never really
realized what he meant until now.  I wonder if 3.03 has this problem?
Also, I had the same problems with enumerated data types in workbench.h
and performed almost exactly the same surgery.  Everything seems to work
OK now, except that the computer crashes immediately after writing the
screen in IFF format.  It doesn't close the files, but they may be recovered
by copying them to another file.  Finally, ever since Mandelbrot 2.00, I
have been unable to draw a picture in INTERLACED mode.  Looking thru the
code, I noticed the distinct absense of the line:

if (color_mode & INTERLACE_MODE) {
   ns.Height = 400;
   ns.ViewModes |= INTERLACE;
 (^^^^^ this line missing ^^^^^)
}

in open_winds() in mand3.c.  Apparently this was dropped in my original
transmission, and was never replaced.

Thanks again RJ for all of your improvements.  BTW, why ARE the colors
GRB?

      Your fractal and mine,
           Robert French

ARPA: French#Robert%d@LLL-MFE
Well: french
UUCP: ihnp4!ptsfa!well!french
 
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