> since everybody knows how to render a reflective sphere on a checkered 
> floor, I wonder how to make a checkered sphere. Since map_type 1 only 
> works only with pigment or texture maps, how do I map the checkered
> pattern correctly onto a sphere?
>
> Maybe someone could be so kind and explain it?

It's not perfect at the poles, but this is the basic way of doing it.

sphere {0,1 pigment{uv_mapping checker White Blue scale 0.05}}

Not every object type supports uv_mapping, but it's handy when they do.

Post a reply to this message