Timothy R. Cook wrote:
> William F. Pokorny wrote:
> 
>> Tim,  Are you using the 'hollow on' option with the plane?
> 
> 
> Nope.  Should I?
> 
> ...how can a plane be hollow? ^_^;
> 

Because a plane in POV is not just an infintely thin surface.  It has an 
  outside and an inside.  Like in the image below.

       ^ outside
     --|--
   /   |   \
  /         \
  -----------

         inside

Therefore, if you have media below your plane, you have to add "hollow 
on" to your plane definition for it to show up.


-- 
/*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
/*    flabreque    */L)polygon{5,F,F+z,L+z,L,F pigment{rgb 9}}#end union
/*        @        */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
/*   videotron.ca  */}camera{location<6,1.25,-6>look_at a orthographic}

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