Warp <war### [at] tagpovrayorg> wrote:
> Btw, all objects collect photons by default, so specifying
> "photons { collect on }" for each one of them is just a waste of space
> and resources. (And *specially* specifying it for each single object
> in a union, when you could just specify it once for the entire union.)
>
>   (Btw: How did you expect walls to reflect light when you have
> specified "photons { reflection off }" for them? Not that it works
> for non-reflecting surfaces anyways, but just curious.)
>
> --
> #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 -

I don't expect that wall reflet light...Object do it but not walls. Walls
collect the photons and by this way we have photon map.

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