[bug #62794] psf-stamp scripts produces inconsistant outputs on failure

[Mohammad Akhlaghi]

URL:
  <https://savannah.gnu.org/bugs/?62794>

                 Summary: psf-stamp scripts produces inconsistant outputs on
failure
                 Project: GNU Astronomy Utilities
               Submitter: makhlaghi
               Submitted: Thu 21 Jul 2022 04:40:50 PM BST
                Category: Installed scripts
                Severity: 3 - Normal
              Item Group: Output not reasonable
                  Status: In Progress
                 Privacy: Public
             Assigned to: sepideh
             Open/Closed: Open
         Discussion Lock: Any


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Follow-up Comments:


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Date: Thu 21 Jul 2022 04:40:50 PM BST By: Mohammad Akhlaghi <makhlaghi>
When the central coordiante given to 'astscript-psf-stamp' is fully outside
the image (more than the '--stampwidth' value), the script aborts with an
error. However, when the normalization value is found to be NaN, it will
create a fully NaN-valued image.

This inconsistent behavior is a bug! 

The ideal scenario is to make a fully NaN-valued image. Because usually this
script is used in pipelines that will later stack the images, and a fully
blank image will be ignored in stacking operators of Arithmetic.

This bug was reported by Sepideh Eskandarlou and Nafiseh Sedighi.







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