Hello, I want to simulate the propagation effects of EM waves generated by a lightning stroke, for which usually an I(z,t) is given (lightning channel current). Is there any way to tell PyMeep that the source is a current I (and not Ex, Hx, etc)? If not, then I think the only way to find something descriptive for the lightning channel would be to calculate the corresponding Hy and use this as a source, right?
Also, for a custom function, I guess I will need meep.CustomSource and the src_func as parameter. But I haven't figured out yet how put those parameters together, because I haven't found any example (maybe I have overseen something in the docs). Could you give me a short one, please? Thanks in advance! Best regards, Hannes
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