The first image was rendered using an area_light. The second was rendered
using a strip of ordinary lights. See post to p.a-u
--
light_source#macro G(E)sphere{z+E*y*5e-3.04rotate-z*E*6pigment{rgbt#end{
20*y-10#local n=162;1}#while(n)#local n=n-.3;G(n)x}}G(-n).7}}#end//GregE
