[daip] Re: FITLD and JIVE data
Huib Jan van Langevelde
langevelde at jive.nl
Thu Oct 2 02:50:40 EDT 2003
On Wed, 1 Oct 2003, Eric Greisen wrote:
> It turns out that most of the main header is ignored even when
> parsed. The header is initialized much later. I added code to trap
> the INSTRUME keyword value and get it into the right place.
Thanks.
>
> >
> > A related question is about the sort order. We explicitly set it to TB,
> > as it comes out sorted. This is indeed copied to AIPS, unless you read
> > multiple (time-sequenced) FITS files, than it seems to be set to **.
> > I guess, as you cannot be certain about the order of the FITS files,
> > this is the desired behaviour? There is no way around this? Sorting is
> > quite a big step for these datasets.
>
> The sort order is set to TB in IDI and then changed to ** only when an
> out of order sample is found. MSORT should not be a big deal now that
> I have fixed it (very recently).
OK, I will have to check that, because it implies we are somehow
destroying the TB ourselves...
Groeten, Huib
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Huib Jan van Langevelde, Head Software Group
European VLBI Network Correlator at JIVE
langevelde at jive.nl Web : http://www.jive.nl/~huib
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