taskGNU Astronomy Utilities - Tasks: task #14625, Option to write a keyword title


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task #14625: Option to write a keyword title

Submitted by:  Mohammad Akhlaghi <makhlaghi>
Submitted on:  Wed 06 Sep 2017 08:50:34 AM UTC  
Should Start On:  Tue 05 Sep 2017 10:00:00 PM UTC Should be Finished on:  Tue 05 Sep 2017 10:00:00 PM UTC
Category:  Fits Priority:  5 - Normal
Item Group:  Enhancement Status:  Postponed
Privacy:  Public Percent Complete:  0%
Assigned to:  None Open/Closed:  Open
Effort:  0.00

Wed 06 Sep 2017 08:50:34 AM UTC, original submission:

The FITS standard recognizes blank keyword lines and also comment lines (starting with `\'). These features help write the keywords in related groups in an easy to read (by eye) format, for example this output of Gnuastro's Crop program:

With this task, I am suggesting an option (maybe named) `--keygrouptitle') to allow the users to create such titles and subsequently write related keywords in the FITS HDU together under it.

The focus of FITS keywords is mainly for software reading them automatically and that is indeed the major use case. But when they are nicely categorized in such a fashion, people will be encouraged to look at them directly, with a command like the one below, and get a good general feeling of the dataset's meta-data.

Mohammad Akhlaghi <makhlaghi>
Project Administrator


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