bump.scn

scene{
        camera = view {
                from = {0, -1, 2}, at = {0, 0, 0}, roll = 0, fov = 60
                },
        light = dist_light {direction = {1, 1, -1} },
        light = dist_light {direction = {0, 1, 2} },
        object = primobj{ 
                material = rough { ka = .2, kd = 0.8,
                                tex_src = imagemap { fname = "pits.png"} },
                shape = sphere { center = {0, 0, 0}}},
};