taskGNU Astronomy Utilities - Tasks: task #15945, Use WCSLIB's new wcspcx() function...


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task #15945: Use WCSLIB's new wcspcx() function to clean PC/CD matrices

Submitted by:  Mohammad Akhlaghi <makhlaghi>
Submitted on:  Wed 14 Apr 2021 05:44:38 PM UTC  
Should Start On:  Tue 13 Apr 2021 11:00:00 PM UTC Should be Finished on:  Tue 13 Apr 2021 11:00:00 PM UTC
Category:  Libraries Priority:  5 - Normal
Item Group:  Enhancement Status:  None
Privacy:  Public Percent Complete:  0%
Assigned to:  None Open/Closed:  Open
Effort:  0.00

Wed 14 Apr 2021 05:44:38 PM UTC, original submission:  

In version 7.6, WCSLIB has added a new 'wcspcx' function to unscramble the PC+CDELT and CD matrix usage (while taking into account that some distortions like TPV don't work easily with PC+CDELT).

We should thus add this function (when the user's WCSLIB has it) to the 'gal_wcs_read_fitsptr' function in lib/wcs.c.

Mohammad Akhlaghi <makhlaghi>
Project Administrator


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