// background sphere test camera { location <0, 0, -2.6> look_at <0, 0, 0> angle 45 right x*image_width/image_height } light_source { <100, 100, -100> color rgb 2.0 } // background sphere object { sphere { <0, 0, 0> 1 texture { pigment { image_map { png "bg_4096x2048.png" map_type 1 } } finish { phong 0 reflection 0.0 } } rotate <0, 0, 0> scale 1000 } }