I have managed to generate a POV-Ray file which has the extension ".inc"
from a file generated by another program (Swiss-PdbViewer).  When I select
RENDER file.name a progress screen comes up briefly, but no image is to be
seen.  The following message is given:


Parse Error: Expected 'numeric expression', undeclared identifier 'rN_'
found instead

File FliM-FliM contacts 1.inc line 12
______________________________________________________________________________

(The .inc file was generated by the POV-Ray program itself)  Here is the
line:
sphere  {<30.56,8.96,-17.80>,rN_ }


I have a very simple goal - to generate an image file of what I see
on-screen after working with Swiss-PdbViewer.  The only version of
Swiss-PDBViewer I can run on my machine will not save images, nor can I
copy and paste.  It supposedly can save a POV-Ray file, so I am trying to
accomplish by using POV-Ray, but am getting nowhere fast!

Can anyone help?

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