taskGNU Astronomy Utilities - Tasks: task #15783, MakeCatalog minimum/maximum...

 
 

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task #15783: MakeCatalog minimum/maximum positions in WCS

Submitted by:  Mohammad Akhlaghi <makhlaghi>
Submitted on:  Thu 01 Oct 2020 03:38:13 PM UTC  
 
Should Start On:  Wed 30 Sep 2020 11:00:00 PM UTC Should be Finished on:  Wed 30 Sep 2020 11:00:00 PM UTC
Category:  MakeCatalog Priority:  5 - Normal
Item Group:  Enhancement Status:  None
Privacy:  Public Percent Complete:  0%
Assigned to:  Mohammad Akhlaghi <makhlaghi> Open/Closed:  Open
Effort:  0.00

Fri 02 Oct 2020 04:24:21 AM UTC, comment #1: 

With Commit 2e1deec6, MakeCatalog can now produce 6 more columns: the pixel positions of the minimum and maximum values in each object or clump through these options: '--minvx', '--maxvx', '--minvy', '--maxvy', '--minvz', '--maxvz'.

But I didn't have time to do the add columns for the respective coordiantes in WCS units (for example RA, Dec). But for the current purpose, this is enough. I am thus changing the title of the task to obtaining the same positions in WCS units )for doing later).

As always, the most recent Gnuastro tarball with this feature, is available from this URL:

https://akhlaghi.org/gnuastro-latest.tar.lz

Mohammad Akhlaghi <makhlaghi>
Project AdministratorIn charge of this item.
Thu 01 Oct 2020 03:38:13 PM UTC, original submission:  

Currently MakeCatalog's position-related columns are based on the average of all the pixel values. But in some scenarios, it good to have the position of the maximum pixel within each clump/object.

Mohammad Akhlaghi <makhlaghi>
Project AdministratorIn charge of this item.

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-10-02 makhlaghi SummaryMakeCatalog column for reporting position of maximum => MakeCatalog minimum/maximum positions in WCS
    2020-10-01 makhlaghi Carbon-Copy- => Added j.sakowska@surrey.ac.uk

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