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I have a question for the 'POV-oldies' :
For a rendering, I need to place something like 70 semi-transparent (
with transmit 1,0) images on a surface.
POVWIN gets stuck at 30, Pov for Linux does better but still gets stops
at 50 and tells me :
'rendering error, too many layers'
Is there a limit set in the source limiting the number of layers ?
Does anyone know how I could avoid the problem ?
Thanks
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Sure, just put 10 textures each on a sphere per 7 or 8 spheres - make each
a bit larger or smaller than the last. Remember to up your
max_trace_level.
H.E. Day
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> I have a question for the 'POV-oldies' :
>
> For a rendering, I need to place something like 70 semi-transparent (
> with transmit 1,0) images on a surface.
> POVWIN gets stuck at 30, Pov for Linux does better but still gets stops
> at 50 and tells me :
> 'rendering error, too many layers'
>
> Is there a limit set in the source limiting the number of layers ?
>
> Does anyone know how I could avoid the problem ?
The limit is indeed set in the source code, in LIGHTING.C - for the DOS
version this is right down to just 20 layers. Apart from adjusting the code
and recompiling, there should be ways around the problem: perhaps you could
use an average pigment of your image maps (if you want to blend them).
If you want the images actually layered perhaps it would be better to
combine the images in a paint program before mapping them onto your surface.
On the other hand, if you wanted to animate the layers changing separately
you could look at using multiple, layered surfaces (with a corresponding
increase in the max_trace_level, of course).
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I've met this problem creating clouds using planes stacked on one another
the limit seems to be around 70 - 90 depending on spacing of the layers....
it would be nice to have a version of pov with this level upped so that
deeper clouds can be created without increasing the distance between the
planes.
Mick
news:37FE7508.7088CE99@club-internet.fr...
>
> I have a question for the 'POV-oldies' :
>
> For a rendering, I need to place something like 70 semi-transparent (
> with transmit 1,0) images on a surface.
> POVWIN gets stuck at 30, Pov for Linux does better but still gets stops
> at 50 and tells me :
> 'rendering error, too many layers'
>
> Is there a limit set in the source limiting the number of layers ?
>
> Does anyone know how I could avoid the problem ?
>
> Thanks
>
>
>
>
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Mick Hazelgrove <mha### [at] minda swinternetcouk> wrote:
: I've met this problem creating clouds using planes stacked on one another
: the limit seems to be around 70 - 90 depending on spacing of the layers....
: it would be nice to have a version of pov with this level upped so that
: deeper clouds can be created without increasing the distance between the
: planes.
Is there a confusion here? Layered textures is not the same thing as
layered planes with each one with its own texture.
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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Mybe but you still get the same message!
Mick
Nieminen Juha <war### [at] punarastascstutfi> wrote in message
news:3801b95f@news.povray.org...
> Mick Hazelgrove <mha### [at] mindaswinternetcouk> wrote:
> : I've met this problem creating clouds using planes stacked on one
another
> : the limit seems to be around 70 - 90 depending on spacing of the
layers....
> : it would be nice to have a version of pov with this level upped so that
> : deeper clouds can be created without increasing the distance between the
> : planes.
>
> Is there a confusion here? Layered textures is not the same thing as
> layered planes with each one with its own texture.
>
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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In article <380223d1@news.povray.org> , "Mick Hazelgrove"
<mha### [at] mindaswinternetcouk> wrote:
> Mybe but you still get the same message!
> Mick
Sounds like a bug. Can you post a small scene, please?
Thorsten
____________________________________________________
Thorsten Froehlich
e-mail: mac### [at] povrayorg
I am a member of the POV-Ray Team.
Visit POV-Ray on the web: http://mac.povray.org
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In article <37FE7508.7088CE99@club-internet.fr> on Sat, 09 Oct 1999 00:49:46
> I have a question for the 'POV-oldies' :
>
> For a rendering, I need to place something like 70 semi-transparent (
> with transmit 1,0) images on a surface.
> POVWIN gets stuck at 30, Pov for Linux does better but still gets stops
> at 50 and tells me :
> 'rendering error, too many layers'
>
> Is there a limit set in the source limiting the number of layers ?
In POV-Ray 3.5 (RC2) it will be 100.
Thorsten
____________________________________________________
Thorsten Froehlich
e-mail: mac### [at] povrayorg
I am a member of the POV-Ray Team.
Visit POV-Ray on the web: http://mac.povray.org
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