taskGNU Astronomy Utilities - Tasks: task #15645, MakeProfiles accept radial profile...


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task #15645: MakeProfiles accept radial profile as input table

Submitted by:  Mohammad Akhlaghi <makhlaghi>
Submitted on:  Fri 15 May 2020 08:42:45 PM UTC  
Should Start On:  Thu 14 May 2020 11:00:00 PM UTC Should be Finished on:  Thu 14 May 2020 11:00:00 PM UTC
Category:  MakeProfiles Priority:  5 - Normal
Item Group:  Enhancement Status:  None
Privacy:  Public Percent Complete:  0%
Assigned to:  None Open/Closed:  Open
Effort:  0.00

Mon 18 May 2020 08:27:08 AM UTC, comment #1: 

That would be a super useful feature for a lot of people!

Raul Infante-Sainz <infantesainz>
Project Member
Fri 15 May 2020 08:42:45 PM UTC, original submission:  

Currently MakeProfiles has a special 'radial' profile for putting the radius of each pixel compared to a given center. This can be used to build any arbitrary radial profile with a custom program.

But to make things simple for the users, it would be good if the user could give a table as input and MakeProfiles would look at that table to put the respective values in the built profile.

The table would have three columns with the first two identifying the interval and the third identifying the value. For example this table:

# Column 1: Lower [pixels,f64] Interval's lower-limit (inclusive)
# Column 2: Larger [pixels,f64] Intervals larger-limit (exclusive)
# Column 3: Value [arbitrary,f64] Value to use for pixels in this interval
0.0   0.5      1
0.5   1.0      2
1.0   1.5      3
1.5   2.0      4
2.0   2.5      5
2.5   3.0      6

MakeProfiles will then accept this table as a value to a new option, like '--radial-profile'. When reaching a 'radial' profile, it will use the values given in this table to fill the profile. For example like this:

astmkprof catalog.fits --radial-profile=profile.txt

An alternative may be to allow a file name in the actual input catalog instead of a raw 'radial' profile. When it is confronted, MakeProfiles will assume its a table and open it for using as profile values. This second proposal is more general and can allow many profiles in one final image.

Mohammad Akhlaghi <makhlaghi>
Project Administrator


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    Date Changed by Updated Field Previous Value => Replaced by
    2020-05-15 makhlaghi Carbon-Copy- => Added infantesainz@gmail.com

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