[daip] Task 'FLATN' error using 253 images
Eric Greisen
egreisen at nrao.edu
Mon Oct 6 11:10:37 EDT 2008
Hans-Rainer Kloeckner wrote:
> Dear Eric,
>
> I try to combine 253 Images (GMRT @ 240 MHz) into an image via FLATN
> and run into a problem. Combining e.g. 36 images (GMRT @ 610 MHz) is
> running fine. So I guess such a large number of images have not been
> anticipated and thats the reason why FLATN crashes.
>
> FLATN1: Task FLATN (release of 31DEC08) begins
> FLATN1: OBCREA: OBJECT TABLE FULL
> FLATN1: OBCREA: PROBLEM CREATING: Input image object 0120 00041
> FLATN1: Purports to die of UNNATURAL causes
> FLATN1: hrks-mac 31DEC08 TST: Cpu= 9.2 Real= 9 IO= 251
>
> Could you please let me know if my assumption is correct and if there
> is a way to correct the procedure for such an error
>
> all the best from Oxford
I found the limit in the code - it is 10240 which is probably not enough
but each one costs 1200 bytes or so which makes this painful.
My guess is that you have NFIELD and NMAPS set and so your loop is way
more than 253.
Eric Greisen
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