[daip] SPFLG trouble and possible fix

[Eric Greisen]

Olaf Wucknitz wrote:
> Hi Eric,
> 
>> I think I see a better fix - passing in the list of source numbers found in
>> the global read of the data at the beginning.  This involves changing the call
>> sequence of GTBWRT and GRIDTB subroutines plus changes in SPFLG, TVFLG, and
>> UVIMG.  It is all rather tricky I fear.  Do you have a modest data set that
>> would show this problem?
> 
> I tried that, but only for SPFLG and subroutines. I don't know if TVFLG 
> is also affected. This approach worked fine, but the result was the same 
> as with the simpler fix. (in my case)
> 
> I boiled down my data set to a reasonable size of 9MB. You can find it 
> here:
> 
> http://www.astro.uni-bonn.de/~wucknitz/temp/SPFLG_TEST.FITS
> 

Thanks for the test data - it showed the problem clearly and my solution 
(passing the source numbers) does solve it.  The MNJ tomorrow should 
contain everything.

Thanks,

Eric Greisen