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"Steve Anger" <nomail@nomail> wrote:
> I'm using the following declaration to create a red spot light with a visible
> beam and then using the declaration in multiple place. The object appears
> multiple times in the rendered scene but only one instance appears to have a
> light source. Can you duplicate light source in this way?
>
> #declare MySpotLight =
> union {
> light_source {
> <0,-0.35, 0>
> color Red*2
> spotlight
> radius 25
> falloff 30
> point_at <0, 0.3095, 0>
> }
>
> cone {
> <0,-0.5, 0>, 0.0
> <0, +0.3,0>, 0.4
> pigment { rgbt<1,1,1,1> }
> finish { ambient 0.0 diffuse 0 }
> hollow
> no_shadow
> photons { pass_through }
> interior {
> media {
> scattering {3, Red*0.7 extinction 1.0 }
> samples 1,1
> }
> }
> }
> }
The reason I wasn't seeing the other light sources was due to the scattering
method which is viewer angle dependent.
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