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cosmicrays task segfaults

 
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Jason Quinn
IRAF Guru


Joined: 07 Apr 2006
Posts: 151
PostPosted: Sun Sep 09, 2012 3:31 pm    Post subject: cosmicrays task segfaults Reply with quote
The cosmicrays task is throwing segmentation violations every time it is run. Noticed on v2.16 but occurs on 2.15.x. Had to go back to 2.14.1 before it worked. I'm running a 64-bit Ubuntu machine, if that helps. The error can be reproduced using dev$pix as the input.

Also something confusing is going on with the help databases for this task. Using ctio's apropos task, you get

Code:
cosmicrays    - Detect and replace cosmic rays (noao.imred.ccdred)
cosmicrays    - Detect and replace cosmic rays (noao.imred.generic)


yet neither of those packages contain the cosmicrays task, which is (currently) located in the imred.crutil package.

Also, running
Code:
find . -name "cosmicrays*"
at the top of the IRAF tree finds these files which seem to be leftovers of some sort.

Code:
./noao/imred/ccdred/src/cosmic/cosmicrays.hlp
./noao/imred/ccdred/cosmicrays.par
./noao/imred/quadred/src/quad/doc/cosmicrays.hlp


Cheers,
Jason
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fitz
Site Admin


Joined: 30 Sep 2005
Posts: 3255
Location: Tucson
PostPosted: Tue Sep 11, 2012 4:52 pm    Post subject: Reply with quote
A bug was recently fixed in the task that may solve this, you can get a new binary from

ftp://iraf.noao.edu/iraf/v216/support/linux64/x_crutil.e

Install in the noao$bin/linux64 directory.

Quote:
Also something confusing is going on with the help databases for this task. Using ctio's apropos task, you get


The CTIO package has been orphaned for a while and the APROPOS task hasn't been touched since 1991. You can try using MKAPROPOS to rebuild the database it uses, otherwise I'd chalk it up to changes in the help code over the last two decades. The core system provides a REFERENCES task that serves the same purpose.

Tasks are often included in multiple packages, duplicate help pages come about when a task used to live in an external package and then gets moved to the core system. Differences in the help page may reflect differences in the code itself (e.g. the old extpkg version has a special parameter for some reason), but it doesn't necessarily mean it is an error.
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