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change naxis in wcs #43

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guanyilun opened this issue Jan 25, 2022 · 2 comments
Open

change naxis in wcs #43

guanyilun opened this issue Jan 25, 2022 · 2 comments

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@guanyilun
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Is there any reason why :naxis isn't included in setproperty!? For example I'm interested in a function like sub(n) in astropy.wcs that truncates the axes. It looks like the easiest way to implement this is to change naxis because everything else references that in getproperty, but I can't do that with setproperty! and had to call setfield!, so I wonder if there's some consideration behind the choice that I'm not aware of, or maybe that could be easily added? Thanks so much!
@giordano
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I'm taking the occasion to point out that we're going to have a JuliaAstro meeting next Friday at 19:00 UTC. You can read more on discourse: https://discourse.julialang.org/t/organising-juliaastro-meeting/72313/4

@giordano
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Regarding your question, I'm not an expert of WCS, but my guess is that naxis is supposed to be constant for each instance?

@xzackli xzackli mentioned this issue Feb 25, 2022
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@giordano @guanyilun