[gnuastro-devel] [bug #56641] Different coord postions when oversampling related with number of decimals

[Roberto Baena Gallé]

URL:
  <https://savannah.gnu.org/bugs/?56641>

                 Summary: Different coord postions when oversampling related
with number of decimals
                 Project: GNU Astronomy Utilities
            Submitted by: rbaena
            Submitted on: mié 17 jul 2019 14:07:09 UTC
                Category: MakeProfiles
                Severity: 3 - Normal
              Item Group: Output not reasonable
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

using mkprof version 0.9.57-0e349...
...and with the following simple catalog

 
$ cat test2_2dec.txt
1 2.49 2.00 4 0 0 0 0 10 0
$ astmkprof test2_2dec.txt --mergedsize=10,10 --oversample=3



we get the point-like star position at (6.0 , 5.0) at ds9.

BUT

...with this other simple catalog only changing the number of decimals

 
$ cat test1_4dec.txt
1 2.4999 2.00 4 0 0 0 0 10 0
$ astmkprof test1_4dec.txt --mergedsize=10,10 --oversample=3



we get the point-like star position at (4.0 , 6.0) at ds9.

The first result is the correct one. 




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