Hi,

a buckminsterfulleren has a theoretically ideal distribution on a sphere.
But a half sphere is limited to only 30 points.
Here I have the coordinates (from my warm_up entry last round)

light_source{< 14580,    8540,  -29570> color rgb 0.1}
light_source{<  1320,   10620,  -32310> color rgb 0.1}
light_source{< 21160,   16820,  -20690> color rgb 0.1}
light_source{< 14450,   27140,  -14650> color rgb 0.1}
light_source{<  1100,   29230,  -17430> color rgb 0.1}
light_source{< -5450,   21000,  -26210> color rgb 0.1}
light_source{< 29880,   11510,  -11560> color rgb 0.1}
light_source{<-18180,   19080,  -21550> color rgb 0.1}
light_source{<-24260,    6770,  -22920> color rgb 0.1}
light_source{<-31590,    1520,  -12620> color rgb 0.1}
light_source{<-19570,   26180,   -9870> color rgb 0.1}
light_source{< -7620,   32460,   -7320> color rgb 0.1}
light_source{< 19050,   28180,   -1790> color rgb 0.1}
light_source{< 28580,   18540,     150> color rgb 0.1}
light_source{<-33040,    8630,    -820> color rgb 0.1}
light_source{<-27170,   20980,     480> color rgb 0.1}
light_source{< -2940,   33720,    5650> color rgb 0.1}
light_source{< 10330,   31450,    8450> color rgb 0.1}
light_source{< 29440,   11970,   12250> color rgb 0.1}
light_source{<-32360,    2060,   11240> color rgb 0.1}
light_source{<-22700,   22150,   13090> color rgb 0.1}
light_source{<-10250,   28770,   15770> color rgb 0.1}
light_source{< 11310,   25060,   20570> color rgb 0.1}
light_source{< 20810,   15150,   22440> color rgb 0.1}
light_source{< 17610,    3530,   29050> color rgb 0.1}
light_source{<-26080,   10060,   20000> color rgb 0.1}
light_source{< -1110,   23170,   25300> color rgb 0.1}
light_source{< -4450,   11060,   32240> color rgb 0.1}
light_source{<  4820,    1500,   33960> color rgb 0.1}
light_source{<-16900,    4490,   29540> color rgb 0.1}

But it looks not very homogenous with primitives, you can see distict
shadows on planes.

Norbert



"Andy Cocker" <big### [at] mariner9fsnetcouk> schrieb im Newsbeitrag
news:3b81dc5c@news.povray.org...
> Hi,
>
> I was just experimenting with using a dome of low powered point lights
> instead of radiosity, and here is the resulting image.
>
> The small image shows the placement of the light grid.
>
> Unfortunately, I placed the lights using a couple of #while loops, and
this
> leads to more lights being grouped together directly above the scene.
Anyone
> know how to code a geodesic dome kind of thing, so the lights are evenly
> spaced? The code should easily allow for using a small number of lights
for
> test renders, and then upping the number of iterations (?) for final
> renders.
>
> I quite like the effect anyway, although even 100% jpeg is unkind to the
> smooth areas.
>
> Andy Cocker
>
>
>

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