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Render the scene below and compare with POV-Ray 3.1g, the results
are very different. Replace the the marble by wood and the results are
identical.
---%<------%<---
#version 3.5;
global_settings {assumed_gamma 1.0}
background {color rgb <0.5,0.5,1>}
camera {location <0, 0.5, -2.0> look_at 0}
light_source {<500, 500, -500> rgb 1}
plane {y, -1 pigment {rgb <0.7,0.5,0.3>}}
sphere {
0.0, 1
texture {
pigment {
marble //wood
turbulence <0.1,0.1,0>
scale 0.1
scale <2*pi,2*pi,1>
colour_map {
[0, rgbf 0]
[1, rgbf <1,1,1,0.6>]
}
}
}
}
---%<------%<---
PII 233 192MB NT4 SP6 POV-Ray 3.5-b7
Ingo
--
Photography: http://members.home.nl/ingoogni/
Pov-Ray : http://members.home.nl/seed7/
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"ingo" <ing### [at] home nl> wrote ...
> Render the scene below and compare with POV-Ray 3.1g, the results
> are very different. Replace the the marble by wood and the results are
> identical.
I don't see much of a difference (with my development version, at least).
If noise_generator 1 is used, then the results should be identical to 3.1g.
With noise_generator 3 (the default), they should be very similar, but not
exact.
-Nathan
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in news:3bdf4590$1@news.povray.org Nathan Kopp wrote:
> I don't see much of a difference (with my development version, at
> least).
Posted two images to p.t-b.b.
> If noise_generator 1 is used, then the results should be
> identical to 3.1g. With noise_generator 3 (the default), they
> should be very similar, but not exact.
The result is independent of the noise_generator or the compiler
version.
Ingo
--
Photography: http://members.home.nl/ingoogni/
Pov-Ray : http://members.home.nl/seed7/
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I can confirm this, and that it is only true with marble. It looks like some of
my experiments with adding something like f_noise(x*200,y*200,z*200) to a
patter.
Michael
"ingo" <ing### [at] homenl> wrote in message
news:Xns### [at] povrayorg...
> in news:3bdf4590$1@news.povray.org Nathan Kopp wrote:
>
> > I don't see much of a difference (with my development version, at
> > least).
>
> Posted two images to p.t-b.b.
>
> > If noise_generator 1 is used, then the results should be
> > identical to 3.1g. With noise_generator 3 (the default), they
> > should be very similar, but not exact.
>
> The result is independent of the noise_generator or the compiler
> version.
>
>
> Ingo
>
> --
> Photography: http://members.home.nl/ingoogni/
> Pov-Ray : http://members.home.nl/seed7/
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