[daip] UVCOP fails on a TY table.

[Amy Mioduszewski]

Hi Craig,

I don't have time to look at this today.  I will get back to you tomorrow.

:)

Amy

R. Craig Walker wrote:
> I have a MULTi data set from the VLBA that I cannot copy with UVCOP with
> both of it's TY tables attached.  The problem one (vers 2) was created by
> UVCOP and edited using TABED.  When I run UVCOP, I get the following
> messages:
> 
> UVCOP1 11:11:29 Copied TY file from vol/cno/vers  5    1   1 to  6    1   1
> UVCOP1 11:11:29 TABIO: BAD LRNO=       14220 LIMIT       14219
> UVCOP1 11:11:29 TABTY: TABIO ERROR  2
> UVCOP1 11:11:29 TYSEL: ERROR   2 RETURNED FROM TABTY
> UVCOP1 11:11:29 Destroyed  2 extension files of type TY
> UVCOP1 11:11:29 Destroyed  1 extension files of type SU
> 
> PRTAB claims that TY number 2 had 14219 rows, and that is all it attempts
> to display.  This was a table I made quite a few months ago and APCAL, the
> user, did not complain.  TASAV does not complain.  TACOP does not
> complain.  In fact, I have not yet found a program that has a problem with
> the TY table other than UVCOP.  Unfortunately, when UVCOP has the problem,
> it aborts and deletes everything already copied.  I ran a TASAV, then a
> UVCOP on that.  After telling it not to delete flagged records, that UVCOP
> had the same problem.  Then I deleted TY 2, and an otherwise identical
> UVCOP ran ok.  So TY 2 is for sure the problem.
> 
> Using the TASAV file, I recreated a TY 2 following the same steps as
> used originally.  The following steps are what was done
> 
> default tacop
>   ind 6; getn 1
>   outd=ind; outn=inn; outcl=incl; outs=ins
>   inext='ty'; inver=1; outver=2; doflag=1
> runwait ('tacop')
> 
> * Edit the table.  Unfortunately, it's one column at a time.
> default tabed
>   ind 6; getn 1
>   outd=ind; outn=inn; outcl=incl; outs=ins
>   inext 'ty'; inver 2; outver 2
>   timer = 0,7,41,40, 0,7,45,55; optype 'dele'; aparm(2) = 1; aparm(3)=16
>   aparm(1) = 7; runwait ('tabed')
>   aparm(1) = 8; runwait ('tabed')
>   aparm(1) = 9; runwait ('tabed')
>   aparm(1) = 10; runwait ('tabed')
> 
> The identical error happens if I try to copy that data set with UVCOP.
> 
> I suppose I can create the output file by deleting the TY table (after
> stashing it somewhere), copy the main file, then copying the TY table to
> the output or recreating as above.  But it seems like such hoop jumping
> should not be necessary.
> 
> Is there a way to see if the TY table really has more than 14219 rows? 
> Looking at the binary file with less, there seems to be a much longer
> string of blanks at the end than I see spot checking a few other TY files.
>  Could that be the problem?  That applies both to the old version of TY
> table and the one I just created.  I suspect TABED is adding the blanks
> and for some reason only UVCOP is disturbed by them.
> 
> After first having the problem, I did a midnight job and the testing
> described above used that (done today).
> 
> The data set is a large one at home so making it available is a bit of a
> problem.  I could maybe make one of the TASAV files available if that
> would help.
> 
> Cheers,
> 
> Craig
> 
> 
> ---------------------------------------------------------------------
>     R. Craig Walker            Array Operations Center
>     cwalker at nrao.edu           National Radio Astronomy Observatory
>     Phone  575 835 7247        P. O. Box O
>     Fax    575 835 7027        Socorro NM 87801   USA
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