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How might one simulate the effect of rays of light shooting though an
opening, as if there were dust in the air?
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On Wed, 26 May 2004 12:20:39 EDT, Thesmophoriazusae <pan### [at] aol com>
wrote:
> How might one simulate the effect of rays of light shooting though an
> opening, as if there were dust in the air?
for more info check out Media in the help file.
something like:
box{0,10 pigment{rgbt 1} hollow interior {
media {
scattering { 1, rgb 0.1}
}}}
with a cylinder light-source shining through it might be a easy start.
Change the rgb 0.1 up or down if it's too bright or not visible. Have fun.
HTH
--
Phil Cook
--
All thoughts and comments are my own unless otherwise stated and I am
happy to be proven wrong.
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So since I have a little bit of time, I'll elaborate...I have an object with
a lot of holes in it. I want an effect kind of like a jack o lantern, but
with the rays of light coming out being faintly visible. I'm guessing this
has something to do with media, but I'm not really sure.
Chris
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in news:web.40b4c7a3f9e87e7a23b75e950@news.povray.org Thesmophoriazusae
wrote:
> I want an effect kind of like a jack o lantern, but
> with the rays of light coming out being faintly visible.
The basic steps: Put your lantern inside a 'big' sphere with a complete
transparent texture, also make shure the sphere is 'hollow'. To this
sphere add a scattering media with a spherical density scaled to the size
of your sphere.
Ingo
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Thesmophoriazusae <pan### [at] aolcom> wrote:
> How might one simulate the effect of rays of light shooting though an
> opening, as if there were dust in the air?
The 3.6 documentation will have some simple examples about this.
--
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
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Thank you for the tips, I will try both techniques.
Chris
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