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Add option to automatically determine the overscan axis #263

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merged 1 commit into from
Jan 12, 2016

Commits on Jan 11, 2016

  1. Add option to automatically determine the overscan axis

    If the overscan axis is explicitly set to `None` in
    `subtract_overscan`, the overscan direction is determined from the
    shape of the overscan section, set the shortest dimension. (In case of
    a square overscan, the default of 1 is picked.)
    
    This can be convenient in cases where `fits_section` is used with an
    (unknown) input string (for example, from an image's BIASSEC header
    keyword): the user can let the function determine the appropriate
    axis.
    evertrol committed Jan 11, 2016
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