Tom York wrote:
> Jim Charter <jrc### [at] msncom> wrote:
> 
> 
>>Thing is, with this model it is too much work
>>to edit the mesh so a material with ior can be used.  At least too much
>>at the moment.
> 
> 
> Probably I am making wrong assumptions, but if you are keeping this mesh in
> a separate file and #including it in your main scene file, and it is too
> big to comfortably edit, can't that be as simple as using something like
> this in the main scene?
> 
> object {
>   #include "Chalice.mesh" // or whatever;
> 
>   interior {
>     ior 10
>   }
> }
> 
> No editing of the mesh file required, just an appropriate fresnel reflection
> statement for the mesh. Possibly the exponent keyword will be more useful to
> you, though.
> 
> 
Yes I believe you are right.  Anyway to be sure I thought it time for a 
quick test.

Eggs from left to right
1. Mesh2 with original texture applied in the texture list
2. Mesh2 with exponent .125 added to original texture and applied in 
texture list
3. Mesh2 with interior { ior 1.18 } applied in object wrapper as you suggest
4. Mesh2 with texture list removed and material{texture{...} interior 
{ior 1.18}} applied in object wrapper
5. Scaled sphere primitive with original texture
6. Scaled sphere with exponent added to texture
7. Scaled sphere with material applied

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