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I have the problem that parts of my media don't get rendered. That is, it
renders correctly under test conditions, but in the final scene it's all
messed up. I already tried to upper the settings (intervals, smaples,
variance etc) but it didn't help at all. Also tried method 1 and 3.
I'll post 2 pictures povray.binaries.images to illustrate the problem.
here comes a code snippet:
media
{
method 3
emission 10*Brightness
intervals 10
// samples 1,100
// variance 1.0/256 // -
// confidence 0.99 // +
[4 densitys follow ]
}
Lutz-Peter
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What do you use as container? Those Pic looks to me as if an isosurface has
max_gradient set to low, and part of it vanishing therefor. But it's hard to
say anything without the full object-code.
Hth perhaps a little,
Marc-Hendrik
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In article <3ad9491d@news.povray.org>, Mar### [at] t-online de
says...
> What do you use as container? Those Pic looks to me as if an isosurface has
No, its only a sphere.
here comes the complete code:
#macro shieldeffect(cval,Size, Brightness)
sphere
{
0.0, 1
texture
{
pigment
{
color rgbf <1,1,1,1>
}
}
hollow
interior
{
media
{
method 3
emission 10*Brightness
intervals 10
// samples 1,100
// variance 1.0/256 // -
// confidence 0.99 // +
density
{
spherical
color_map
{
[0.00 rgb 1]
[0.10 rgb 0]
[1.00 rgb 0]
}
}
density
{
spherical
color_map
{
[0.00 rgb 0]
[1.00 rgb 1]
}
scale .3*Size
translate y*1
}
density
{
radial
triangle_wave
color_map
{
[0.00 rgb .5]
[1.00 rgb 1]
}
frequency 20
rotate y*cval*180 // rotate 25 degrees
turbulence .3
}
density
{
bozo
color_map
{
[0.00 rgb <0,1,.5>]
[1.00 rgb <0,.5,1>]
}
translate cval*10
scale .05
}
}
}
rotate x*90
}
#end
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I fixed the problem myself.
The cause for this was that i had several instances of that effect
layered over each other, varying only in the rotation around x and y.
That let to some kind of coincidence surface problem....
I didn't know this problem applies to media
Scaling the container objects slightly fixed it.
Thanks anyway
Lutz-Peter
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Perhaps it was that all beloved max_trace_level again? To many layered
transparent objects which renders as the background color?
Glad, you solved the problem.
Marc-Hendrik
Lutz-Peter Hooge schrieb in Nachricht ...
>I fixed the problem myself.
>The cause for this was that i had several instances of that effect
>layered over each other, varying only in the rotation around x and y.
>That let to some kind of coincidence surface problem....
>I didn't know this problem applies to media
>
>Scaling the container objects slightly fixed it.
>
>Thanks anyway
> Lutz-Peter
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