Just short.

On Wed, Jul 4, 2018 at 20:06 Patrick Eriksson <patrick.eriks...@chalmers.se>
wrote:

> Hi Stefan, Hi all,
>
> Thanks for the hint. Yes, we have not discussed these scattering
> solvers, but I did some googling about them just some weeks ago. I heard
> about these solvers at the ECMWF workshop, and got curios.
>
> Yes, the Jacobian feature sounds interesting. But some possible
> limitations to consider:
>
> * This is Fortran 90 code. Is that OK for us? Anyhow, Fortran works
> poorly with threading inside ARTS.


The line mixing solver is F90. It used to work in parallel but somehow does
not for now. Better than f77, no?


>
> * In the paper you sent it says: we restrict ourselves to scattering for
> a medium that is ‘‘macroscopically isotropic and symmetric’’. Has this
> restriction been removed? I never manged to sort this out.
>
> * Would we be free to redistribute the code?
>
> Can your contact answer the last two questions? Or does someone else out
> there know?
>
> Bye,
>
> Patrick
>
>
>
>
> On 2018-07-03 10:10, Stefan Buehler wrote:
> > Dear Patrick, dear ARTS developers,
> >
> > I recently got an enthusiastic recommendation for a solver that we have
> so far not talked about: LIDORT and its polarised version VLIDORT by Robert
> Spurr.
> >
> > https://link.springer.com/chapter/10.1007/978-3-540-48546-9_7
> >
> > If I understood correctly, it is based on DISORT, but does provide
> Jacobians. Attached is a paper I found.
> >
> > All the best,
> >
> > Stefan
> >
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