> You did not provide a scene... No scene, no gain ?
This is independent of a scene, isn't it?
so take this:
//----------------
sphere {0,1,pigment{color rgb 1}finish{reflection 0.8 diffuse 0.1}}
plane {y,-1 pigment {checker color rgb 1 color rgb 0}}
light_source {10, color rgb 1}
//----------------
should _THIS_ be the reason ?
