On Mon, 8 Jan 2007, Huazhong Wang wrote:
i want to calculate the Hx along a line of length 2 in computational cell of
20 X 40. the first method is to calculate the entire area and then extract
the data along the line. this method takes more time. i also find another
command in meep: (get-field-point c pt). this command gives a component or
derived component but at a point, not a line. who has a better method with
less computing time to calculate Hx along a line?
Use the (in-volume command, and specify a one-dimensional volume. For
example:
(run-until 200 (at-end (in-volume (volume (center 0 0 0) (size 2 0 0))
output-hfield-x)))
will output the Hx field along a line of length 2 from (-1 0 0) to (1 0 0).
Cordially,
Steven G. Johnson
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