[Difx-users] A few surprises

[Adam Deller]

Hi Eskil,

Thanks for the heads up, the first two are surprising (I'm never surprised
by gaps in documentation!)

I've got no experience with the intel compilers, so will pass on that one.
For the second, what is the difference in the .input file produced by
vex2difx in the two cases?  That might help shed some light.

Cheers,
Adam

On Mon, 30 Nov 2020 at 21:18, Eskil Varenius via Difx-users <
difx-users at listmgr.nrao.edu> wrote:

> Dear difx developers,
> I have noted a few surprises which I would like to report:
>
> - Compiling DiFX 2.6.1/2.6.2 with intel 2019 compiler, mpifxcorr runs
> but refuses to actually read any data. It just sits there, never
> starting the correlation. Using intel 2018 compiler instead, everything
> works nicely.
>
> - Correlating mixed-polarisation data (antenna ON: R-pol, OE and OW: X/Y
> pol) delivers correlation products on the mixed circ/linear baselines
> (R-X and R-Y pol), but not on the linear/linear baselines (XX,XY,YX,YY).
> However, if I add zoomwindows - describing the same setup already in the
> VEX file, so no actual zooming - then I get also the linear polarisation
> products. (I know mixed-pol support is limited, but might as well note
> the behaviour.)
>
> - "difx2mark4 --help" v1.6 does not say it needs .calc files, but seems
> it does. So documentation should be amended?
>
> Kind regards
> Eskil
>
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-- 
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A/Prof. Adam Deller
ARC Future Fellow
Centre for Astrophysics & Supercomputing
Swinburne University of Technology
John St, Hawthorn VIC 3122 Australia
phone: +61 3 9214 5307
fax: +61 3 9214 8797

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