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Bug in APE-14 description of WCS #495
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@nden the main thing that needs to be done is that
or it could be that |
I think that it's world_axis_units that's wrong. We should support things in native arcsec. I am not working today, but will try and look next week. |
ok, I have tracked this down. In the asdf file included in the reproject test suite some muppet (me), didn't set the units of the However, this brings up an interesting point, it appears to be true that the units of |
I'm running into issues with a solar GWCS where the high-level objects are astropy coordinates with default values of arcseconds. To reproduce this you will need the following dataset:
https://github.com/astropy/reproject/blob/main/reproject/tests/data/aia_171_level1.asdf
The issue:
Basically the issue is that
world_axis_object_components
is incorrect because if applied to the high level objects, it will not give values that could be passed directly toworld_to_pixel_values
(which it should). I think the following would be more correct:Is this an issue in GWCS, or in the ASDF file? (I don't understand where all the layers live).
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