Hi everyone!  I've been working on a scene and I'm having some trouble with
some cylindrical lights I have in there.  In a nutshell, the scene thus far
is a top view of a floor (made of nested discs), surrounded by a moat-like
stone ring.  The bottom of the ring is at -3 along the y axis.  I have 6
cylinder lights all starting at <0, 0, 82> and rotated to the places I want
them.  The problem is that they don't light anything unless I make them
shadowless.  I'm including 2 images... the first one rendered without the
shadowless lights, the second with them.  I'm guessing that they're not
lighting anything because there's something blocking them and casting a
shadow.  I tried using the "no_shadow" option on the objects around the
lights, but it didn't help.  What's wrong?  I'm also attaching the source.

I'd appreciate any help anyone could give me.

Thanks!
Dave.

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