[daip] AIPS on MacBook Pro

[David H. Roberts]

To the AIPS Group:

I have encountered a problem with IMAGR running on my Mac. Here is  
the history of the problem:

I installed 31dec07 on my 2.16 GHz Core Duo MacBook Pro on jun 15..  
It worked perfectly.  In particular, with SCMAP and then IMAGR I was  
able to make large images from a full day VLA synthesis. On 6/21 I  
updated my OS from 10.4.9 to 10.4.10. AIPS seemed to continue to  
function perfectly. On 6/24 I installed Apple Security Update  
2007-06. After that, IMAGR consistently failed, usually after about  
1000 clean iterations, issuing the message "SOMETHING IS GOING WRONG  
- ABANDON CLEAN". The task continued, but the output was consistently  
erroneous. Visibility files that processed perfectly before the  
security update could no longer be processed successfully.

On the other hand, the same data files processed perfectly on AIPS of  
the same date on my PPC G5 Mac, both before and after the system and  
security updates.

Have you encountered this problem? I am happy to provide message logs  
and example images if that will help you diagnose the problem(s).

Having AIPS on my Macs has been a delight, and I thank you for this  
important port of AIPS.

Thanks in advance for your help,


Dave Roberts

David H. Roberts
William R. Kenan, Jr. Professor of Astrophysics
Brandeis University
Waltham, MA 02454
781-736-2846 (voice) 781-736-2915 (fax)



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