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From: Paragon
Subject: Rendering patterns different in 3.1 and 3.5?
Date: 15 Sep 2001 00:35:43
Message: <3ba2da9f@news.povray.org>
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from povray.general
>I noticed that rendering patterns in POV-Ray 3.1 and 3.5 give different
results. Rendering in POV-Ray 3.5 with >the following texture (as given by
Ricky[Kitty]5 in povray.binaries.images under 'more glass balls...') yields
a very >soft pattern to objects this material is applied to. But when
rendered in POV-Ray 3.1, the pattern appears much >more defined. Why the
change? Is there any convention to use so that a scene with materials
intended to be >rendered in POV-Ray 3.1 can be rendered in POV-Ray 3.5 with
the same look, or is it just a matter of manually >tweaking?
>I've posted images in povray.binaries.images comparing the same pattern
rendered in 3.1 and 3.5.
>
>#declare Material1 =
> material // Material1
> {
> texture
> {
> pigment
> {
> color rgb <1.0, 1.0, 1.0>
> }
> normal
> {
> bozo , 0.5
> turbulence 0.5
> ramp_wave
> }
> finish
> {
> ambient 0.0
> diffuse 0.6115
> }
> }
> }
>
>-Paragon
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Attachments:
Download 'myscene35.jpg' (5 KB)
Download 'myscene31.jpg' (15 KB)
Preview of image 'myscene35.jpg'
Preview of image 'myscene31.jpg'
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From: Paragon
Subject: Re: Rendering patterns different in 3.1 and 3.5?
Date: 15 Sep 2001 00:54:52
Message: <3ba2df1c@news.povray.org>
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Actually, here is a much better comparison. It's just a cube on a plane
with one light source, no anti-aliasing.
-Paragon
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Attachments:
Download 'myscene31.jpg' (19 KB)
Download 'myscene35.jpg' (10 KB)
Preview of image 'myscene31.jpg'
Preview of image 'myscene35.jpg'
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in news:3ba2da9f@news.povray.org Paragon wrote:
> Is there any convention to use so that a scene with materials
> intended to be >rendered in POV-Ray 3.1 can be rendered in POV-Ray
> 3.5 with the same look, or is it just a matter of manually
> >tweaking?
>
Look for 2.6.1, 2.6.14, 6.7.12.4 and 6.11.10 in the docs.
Ingo
--
Photography: http://members.home.nl/ingoogni/
Pov-Ray : http://members.home.nl/seed7/
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From: Paragon
Subject: Re: Rendering patterns different in 3.1 and 3.5?
Date: 15 Sep 2001 17:15:04
Message: <3ba3c4d8@news.povray.org>
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> Look for 2.6.1, 2.6.14, 6.7.12.4 and 6.11.10 in the docs.
I still get different results when I render in 3.5 and use #noise_generator
1. Am I missing something?
scene31.jpg - rendered with POV-Ray 3.1
scene35.jpg - rendered with POV-Ray 3.5 using #noise_generator 1
scene35a.jpg - rendered with POV-Ray 3.5 using #version 3.1
-Paragon
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Attachments:
Download 'scene31.jpg' (22 KB)
Download 'scene35.jpg' (11 KB)
Download 'scene35a.jpg' (22 KB)
Preview of image 'scene31.jpg'
Preview of image 'scene35.jpg'
Preview of image 'scene35a.jpg'
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From: Batronyx
Subject: Re: Rendering patterns different in 3.1 and 3.5?
Date: 15 Sep 2001 23:50:32
Message: <3ba42188@news.povray.org>
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"Paragon" <use### [at] host com> wrote in message news:3ba3c4d8@news.povray.org...
> > Look for 2.6.1, 2.6.14, 6.7.12.4 and 6.11.10 in the docs.
>
> I still get different results when I render in 3.5 and use #noise_generator
> 1. Am I missing something?
>
> scene31.jpg - rendered with POV-Ray 3.1
> scene35.jpg - rendered with POV-Ray 3.5 using #noise_generator 1
> scene35a.jpg - rendered with POV-Ray 3.5 using #version 3.1
>
> -Paragon
>
6.7.2.1.1 might also apply here, particularly if the default value (previously
unavailable for user tuning) has changed from 3.1.
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From: Warp
Subject: Re: Rendering patterns different in 3.1 and 3.5?
Date: 16 Sep 2001 10:32:46
Message: <3ba4b80d@news.povray.org>
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Paragon <use### [at] hostcom> wrote:
: I still get different results when I render in 3.5 and use #noise_generator
: 1. Am I missing something?
There's no such a thing as #noise_generator (povray gives an error if you
write that). What you probably meant was global_settings { noise_generator 1 }
But anyway, you could try with different values of accuracy in your
normal block. Try with very small values (such as 0.001 and so on).
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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