extract_mid

ska_sdp_exec_swiftly.fourier_transform.fourier_algorithm.extract_mid(a, n, axis)

Extract a section from middle of a map (array) along a given axis. This is the reverse operation to pad.

Parameters:

• a – numpy array from which to extract

• n – size of section

• axis – axis along which to extract (int: 0, 1)

Returns:

extracted numpy array