Hello,

I have libctl structure which consists of a metal, dielectric, and air.

(set! eps-averaging? false)
(set! geometry
   (list
     (make block (center 0 0) (size (/ s 1) (/ s 2) infinity) (material (make 
dielectric (epsilon eps))))
     (make block (center 0 0) (size (/ s 6) (/ s 3) infinity) (material 
metal))))

The simulation runs correctly, but I wasn't able to successfully
visualize the structure using h5topng.

1) Why is metal listed as "inf" in the h5dump, and not "-inf"?

2) The dielectric constant is 10.  Why are there values between 1 and
   10 in the h5dump, if eps-averaging? is false?

3) Are then any specific tips anyone can give for getting a good
   output for metallo-dielectric structures with h5topng?

h5dump excerpt:

 (42,145): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 (42,165): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1.375, 7.85714, 10, 10, 10, 10,
 (42,180): 10, 10, 15, inf, inf, inf, inf, inf, inf, inf, inf, inf, inf,
 (42,193): inf, inf, inf, inf, inf, inf, inf, inf, inf, inf, inf, inf,
 (42,205): inf, inf, inf, inf, inf, inf, inf, inf, inf, inf, inf, inf,
 (42,217): 15, 10, 10, 10, 10, 10, 10, 7.85714, 1.375, 1, 1, 1, 1, 1, 1,
 (42,232): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,


Kind Regards,
Matt

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