I'm having a very disturbing problem.

I'm running povray on windows to develop my files, then I port it to a Linux
cluster to render animations. A Round_Cylinder object works just fine on the
Windows version (3.6) but the exact same file doesnt render the cylinders on
the linux version (also 3.6) with no errors reported at all.

#include "shapes.inc"
object{
        Round_Cylinder(<0,0,0>, <1,0,0>, .005, .005, 1)

        pigment{ rgb <0,0,0>}
        finish{ ambient 0 diffuse .7 specular .7 reflection .7}
    }

As simple as can be. On windows it renders exactly the expected results. On
linux, the cylinders just arent there, an no errors. Of course I checked to
make sure the include file was there, I checked to make sure the code was
being traversed, all ok.

I changed the radii to 5,5 just to blow them up big and see if they turned
up. They did, so huge the camera was inside them (seemed like they were
oriented incorrectly too, but whatever). So I wanted to shrink them slowly
to see what they're doing, I set the radii to .5, .5  and it reported
"degenerate cylinder, base point same as apex point" and aborted (??).  So
I reduced them to .05, .05, and the error went away, but then I'm back to
them not rendering in my scene.

Again, the EXACT .pov file rendered just fine on windows.  Anybody have any
idea what could possibly be the issue here? Its one of those 'make a grown
man cry' things. :-(

Thanks in advance.

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