[AstroPy] got flux-conservative rebinning?
David Berry
d.berry at jach.hawaii.edu
Thu Apr 19 15:36:45 EDT 2012
On 19 April 2012 18:50, Marshall Perrin <mperrin at stsci.edu> wrote:
>
>
> While we're fishing for useful algorithms, does anyone have a convenient
> implementation of flux-conservative rebinning? The image interpolations in
> scipy.ndimage are not conservative. Montage can do this, of course, but
> that seems like overkill (and adds a lot of interface complexity) if I just
> want to scale an image by 75% while conserving energy... Thanks in
> advance,
pyast (https://github.com/timj/starlink-pyast) can do this. For instance:
import starlink.Ast
# Create an object describing a 2D transformation that zoom by a
factor of 0.7 about the origin of a 2M
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