Sorry if I'm doing something very stupid, but I just can't get meep to run
3D simulations. It only does 2D. Here is an example:
import meep as mp
cell = mp.Vector3(1.,1.,1.)
myblock = mp.Block(material=mp.Medium(index=2), center=mp.Vector3(0.,0.,0.),
size=mp.Vector3(.4, .4, .4))
geometry = [myblock]
source = mp.Source(src=mp.GaussianSource(2., fwidth=.1), component=mp.Ez,
center=mp.Vector3(0.,0.,0.))
sim = mp.Simulation(cell_size=cell, sources=[source], resolution=20)
sim.run(until=3)
The console says among other things:
Working in 2D dimensions.
Computational cell is 1 x 1 x 0 with resolution 20
and indeed all the results are 2D. My impression from the documentation was
that if cell_size has 3 nonzero entries, then it is supposed to do a 3D
sim, but that didn't happen. Is there something else I need to do? Any
ideas? Thanks in advance!!!
~~Steve
PS: If it helps, I'm using python-meep on linux RHEL v7, freshly installed
via conda.
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