[bug #64153] ds9-region: --namecol give a constant zero in image-mode

[Mohammad Akhlaghi]

URL:
  <https://savannah.gnu.org/bugs/?64153>

                 Summary: ds9-region: --namecol give a constant zero in
image-mode
                   Group: GNU Astronomy Utilities
               Submitter: makhlaghi
               Submitted: Fri 05 May 2023 03:55:47 PM BST
                Category: Installed scripts
                Severity: 3 - Normal
              Item Group: Output not reasonable
                  Status: In Progress
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any


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Follow-up Comments:


-------------------------------------------------------
Date: Fri 05 May 2023 03:55:47 PM BST By: Mohammad Akhlaghi <makhlaghi>
When the DS9 script is requested to build regions with coordinates in the
image-mode, it ignores the column values and gives a name of 0 to all
regions.

The problem can be reproduced with the following series of commands:


$ wget https://akhlaghi.org/data/xdf-f160w-crop.fit
$ astnoisechisel xdf-f160w-crop.fits -onc.fit
$ astsegment nc.fits -oseg.fit
$ astmkcatalog seg.fits --ids --x --y --ra --dec -ocat.fits

# In WCS-mode the regions have their IDs correctly
$  astscript-ds9-region seg.fits -cra,dec --namecol=obj_id \
                        --mode=wcs --command="ds9 seg.fits"

# But in this one (image-mode), all regions have a label of 0!
$ astscript-ds9-region cat.fits -cx,y --namecol=obj_id \
                       --mode=img --command="ds9 seg.fits"


This bug was reported by Zahra Sharbaf.







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