On 03/13/2018 09:16 AM, Jisha C P wrote:

I am trying to use epsilon_input_file in PyMeep to define an arbitrary anisotropic geometry. But as per the document the HDF5 file can have only one dataset corresponding to a scalar dielectric function.

As described in the documentation <http://meep.readthedocs.io/en/latest/Python_User_Interface/>, only the scalar, real-valued, frequency-independent dielectric function over some discrete grid can be imported using the epsilon_input_file. Anisotropic materials (i.e., those with a tensor permittivity), are not currently supported.
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