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[bug #64431] gal_wcs_to_cd does not account for altlin==3
From: |
Mohammad Akhlaghi |
Subject: |
[bug #64431] gal_wcs_to_cd does not account for altlin==3 |
Date: |
Sat, 15 Jul 2023 20:03:57 -0400 (EDT) |
URL:
<https://savannah.gnu.org/bugs/?64431>
Summary: gal_wcs_to_cd does not account for altlin==3
Group: GNU Astronomy Utilities
Submitter: makhlaghi
Submitted: Sun 16 Jul 2023 01:03:55 AM BST
Category: Libraries
Severity: 3 - Normal
Item Group: Crash
Status: In Progress
Privacy: Public
Assigned to: makhlaghi
Open/Closed: Open
Discussion Lock: Any
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Follow-up Comments:
-------------------------------------------------------
Date: Sun 16 Jul 2023 01:03:55 AM BST By: Mohammad Akhlaghi <makhlaghi>
In WCSLIB, the 'altlin' element of the 'wcsprm' structure is a bit-string that
is 1 for each different method of defining the WCS standard's rotation matrix.
The reason it is defined as a bit string is that multiple versions may be
present in the keywords at the same time.
As of Gnuastro 0.20, we had only accounted for the input FITS file to have a
single one of the standards; not more than one. This was brought up as a bug
report within the
[https://lists.gnu.org/archive/html/bug-gnuastro/2023-07/msg00000.html
bug-gnuastro@gnu.org] mailing list by Colin Orion Chandler.
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- [bug #64431] gal_wcs_to_cd does not account for altlin==3,
Mohammad Akhlaghi <=