Hi Richard,
I guess you are talking about r9584 (2015-11-30). If I check out and
compile this revision, everything works as expected, so this commit is
probably not the cause.
Test case:
I just run the qpack2_wind3d_demo.m in the atmlab demos folder. At the
moment it could also be a problem with my setup for v2.3. So if anyone
could confirm/disconfirm this behavior, that would help.
Regards,
Jonas
On 04.11.2016 11:08, Richard Larsson wrote:
All,
This might be my fault. I have no idea how this particular qpack-case
works but there was an overhaul in the design of the Jacobians in ARTS
last year that made their calculation less forced and more theoretical
(i.e., the jacobian before was from partial perturbations but it is
now from direct derivation as much as possible). For the wind field
this means that the Jacobian is calculated based on the derivative of
the transmission with respect to frequency before being scaled back to
wind field parameters.
There could be edge-cases that I have miss-implemented. It sounds
like this at the least.
Could you explain your test case to me so that I can look into fixing
the problem? What is the atmospheric geometry and what is the a
priori wind field? What kind of results do you expect?
//Richard
2016-11-04 18:01 GMT+09:00 Jonas Hagen <[email protected]
<mailto:[email protected]>>:
Dear all
I'm currently porting my wind retrievals from ARTS/atmlab v2.2 to
v2.3 (developement version). But somehow the wind retrievals just
return zeros (wind_{u|v}_x and wind_{u|v}_A in L2 are exactly 0).
This is also the case for the qpack2_wind3d_demo.m. Can anyone
confirm this? I could need some help with the debugging. There are
no error messages or warnings.
Best regards,
Jonas
--
Jonas Hagen
Institute of Applied Physics
University of Bern
Sidlerstr. 5, CH-3012 Bern, Switzerland
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--
Jonas Hagen
Institute of Applied Physics
University of Bern
Sidlerstr. 5, CH-3012 Bern, Switzerland
Tel: +41 31 631 8923
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