[daip] [!7829]: AIPS - IMSTAT stops when it encounters a flagged channel

[NRAO Helpdesk]

Anand Crossley updated #7829
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       Staff (Owner): -- Unassigned -- (was: Dongchan Kim)

IMSTAT stops when it encounters a flagged channel
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           Ticket ID: 7829
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/7829
           Full Name: Robert Gray
               Email: roberthansengray at gmail.com
             Creator: User
          Department: AIPS Data Reduction
       Staff (Owner): -- Unassigned --
                Type: Issue
              Status: Response Overdue
            Priority: Default
                 SLA: NRAO E2E
      Template Group: Default
             Created: 12 January 2016 10:45 PM
             Updated: 22 February 2016 08:12 PM
                 Due: 26 February 2016 01:56 PM (2d 0h 0m)
      Resolution Due: 22 January 2016 11:10 PM 


Hi!

Any idea why IMSTAT stops when it encounters a flagged channel?  

I'm running a procedure that calls IMSTAT, then SAD, on 8192 channels, and it works until it hits a flagged channel, issuing the messages below after finishing channel 6009:

SAD  1: Appears to have ended successfully
SAD  1: nmpost03 31DEC16 TST: Cpu=      0.2  Real=   0  IO=     32
AIPS 1: Resumes
AIPS 1: SAD      was not found to be running
AIPS 1: NO VALID PIXELS FOUND
AIPS 1: USING WHAT?

I believe there is a flaw in the procedure (failing to issue something kike WAIT IMSTAT to give it time to complete before SAD begins), but it always worked until I ran it on an image file with a flagged channel.

Any ideas would be greatly appreciated!

Best wishes,

Bob Gray


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