/*
This file demonsttrates a bug in the julia_fractal object.
It is visible in the right end of the object and looks like
a "coincident surfaces" type of problem, though of course it
is not.

Use the following command-line parameters for a close-up view:

-a -d +sc0.865625 +sr0.366667 +ec0.957812 +er0.516667 +w4000 +h3000

References:

From: "nested" <nes### [at] hotmailcom>
Newsgroups: povray.general
Subject: julia_fractal
Date: Tue, 2 Nov 1999 09:07:56 -0800
Message-ID: <381efde9@news.povray.org>

and

From: "michael mcknight" <nes### [at] ouedu>
Newsgroups: povray.general
Subject: again, julia_fractal
Date: Fri, 19 Nov 1999 00:07:31 -0600
Message-ID: <3834e8b5@news.povray.org>

This bug has been verified by myself. System details follow:

CPU: AuthenticAMD AMD-K6tm w/ multimedia extensions, clock 193 MHz
RAM: 96 MB
OS : Microsoft Windows 98 4.10.1998 
POV: Version 3.1g.watcom.win32 [Pentium II Optimised]

Peter Popov
pet### [at] usanet
*/

camera
{
  location <0,0,-23>
  angle 7
  look_at 0
}

light_source { <100,100,-1000> color rgb 1 }

julia_fractal
{ 
  <-1.154166666666666, -0.25, 0, 0>
  max_iteration 4
  quaternion
  sqr   
  precision 200
  pigment{rgb <1,.3,.3>}
  rotate<0,50,0>
  no_shadow
} 

Peter Popov
ICQ: 15002700

Post a reply to this message