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In article <388C5F52.712AE9B3@my-dejanews.com>,
gre### [at] my-dejanews com wrote:
> I loaded the same file containing an isosurface with the noise3d
> function into both super 3.1e and mega 0.3. They look very
> differently. The source code and images are at p.b.i.
Maybe it is the new normal calculation code, try adding "normal off" to
the isosurface. From the MacMegaPOV documentation:
"Technical notes on the function normal patch:
Apply accurate normal calculation to isosurfaces, parametrics, and
isoblobs by using the "normal" keyword (outside of a texture). This can
be followed by on/off, true/false, 1/0, etc. The default is to use
close approximation, the original method of choice for isosurfaces and
parametrics."
The documentation also mentions that it should probably be turned off
for functions using atan2 or noise3d.
--
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/
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