Dear list:

I have been trying to simulate Perfect Conductors in Meep by using the
defined material-type "perfect-metal" or the defined variable metal as
material type when defining an object but whenever I export to png images
the output of the simulation I get a big black spot which in the first time
step is of the shape of my defined structure but which gets bigger any time
step not letting me see anything.

I have defined and got that behaviour using, for example, the following:

; Interior block
 ;===============
(set! geometry
     (list
          (make block
               (center 2.0 3.0)
               (size 2 4 infinity)
               (make perfect-conductor)
          )
     )
)

or using "(material metal)" instead.

Any idea where my error is?

(I am running Meep in Debian (Lenny) from Debian's Meep repository package).

Thank you very much, Fco. Cordobes-Aguilar
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