Pete wrote:

> Call me dense
> 
> (ok, you're dense - ed)
> 
> but why not use a box for the room object?  If placing the
> camera inside the box, add the inverse keyword to the box.
> It will render faster than six planes.
> 
> consider this macro, which is passed the offsets of the walls
> and a texture:
> 
> #macro do_room(left_offset, right_offset, floor_offset, ceiling_offset,
> near_offset, far_offset, room_texture)
>   box {
>     <left_offset, floor_offset, near_offset>,
>     <right_offset, ceiling_offset, far_offset>
>     texture { room_texture }
>   }
> #end
> 

I have considered to just use a normal povray box, but I can't place 
walls rotated in that case.

Thanks for the idea anyway,

Remco Poelstra

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