Dear Richard,
thank you for your quick reply.
I would then like to use the redistributed catalog. Could you provide an
example control file (version 2.5.X) to generate an absorption lookup
table using the arts-cat-data. That would be very helpful ;-)
I found that the data includes also a very new H2O continuum version
(MT-CKD4.0), which I would like to use.
Thanks a lot and best regards,
Claudia
On 1/16/23 17:24, Richard Larsson wrote:
Dear Claudia,
There is no news. It worked quite well recently in ARTS 2.5.X when last
I updated our redistributed catalog (at the arts-cat-data subversion
server; though this is not pure Hitran as we have some line mixing and
line shapes we select manually included). I just confirmed that
this still works by manually downloading some data.
The box titled:
Available Parameters
contains all parameters. It is a scroll box. It is available after you
select to create a new format, so you should see it. You have to scroll
down a bit to see the three fields I mentioned last year, but they are
still there.
With hope,
//Richard
Den mån 16 jan. 2023 kl 17:01 skrev Claudia Emde <claudia.e...@lmu.de
<mailto:claudia.e...@lmu.de>>:
Dear ARTS community,
I have exactly the same problem that Pengwang has reported. Is there
any
news about reading HITRAN 2020 in ARTS?
I tried to follow the instructions by Richard, but when I choose
"create
new output format" I do not see e.g. the ".par line" tag and the
"qns' "
tag. I only find a window where I can select available parameters to be
written into the .par file.
Best regards,
Claudia
On 2/8/22 11:24, Richard Larsson wrote:
> Dear Pengwang,
>
> You should be able to read a Hitran file in 2.4 that you could
read in
> 2.3. Now, it sounds like you have downloaded a new version of the
> Hitran catalog. Arts 2.4 does not directly support Hitran2020,
neither
> did 2.3 to be clear. For water, I still think this should still
be Ok
> but I am not sure.
>
> If you want to give it a try, the 'modern' way of dealing with
Hitran
> data in Arts is to download it with the additional tags in the
Hitran
> download interface. On the tab currently called '4. Select or
Create
> Output Format'*, you can create a new output format. To create a
new
> format that works well with Arts, this format should contain at
the top
> the ".par line" tag, as the second option it should contain the "
qns' "
> tag, and as a last option it should have the " qns'' " tag. The
field
> separator and line endings should be the default ([tab] ; (CR
LF)). If
> you manage to download data like this from Hitran, you can give the
> hitran_type="Online" option in ReadHITRAN. This should give
decent results.
>
> Again, remember that Arts 2.4 is from before Hitran2020 was
released.
> It is possible this will not work in 2.4. What I describe above
works
> for the development version of Arts (v.2.5).
>
> With hope,
> //Richard
>
> * From hitran.org <http://hitran.org> <http://hitran.org
<http://hitran.org>>, Data Access -> Line-By-Line ->
> select H2O and go forward -> go forward (or deselect some
isotopologues
> first) -> go forward (or select some Kayser range first) -> You
are now
> on the right tab to specify output format
>
> Den tors 3 feb. 2022 kl 16:06 skrev Pengwang Zhai
<pwz...@umbc.edu <mailto:pwz...@umbc.edu>
> <mailto:pwz...@umbc.edu <mailto:pwz...@umbc.edu>>>:
>
> Hello, ARTS Community,
>
> I used arts 2.3 to generate gas absorption coefficient lookup
table
> for o2, co2, etc. One key function was:
"abs_linesReadFromHitran”.
> Now I need to revisit the calculation with HITRAN2020. I
thought I
> would use arts 2.4, a newer version. After successfully compiling
> arts2.4, and run the same .arts file I used before (a
modification
> of TestAbs.arts), arts tells me that “abs_linesReadFromHitran” is
> not available any more. I went over the documentation, and found
> “READHITRAN”. I tried the following:
>
> ReadHITRAN( abs_lines,
> “./h2o_61fbd3ce.par",
> 1.3e+14,
> 1.0e+15 )
>
> arts reports:
>
> "Run-time error in method: ReadHITRAN
> Error parsing quantum number Sym”.
>
> Is there any way we can read in HITRAN par file and create a
lookup
> table? Do you suggest me going back to arts 2.3?
>
> Thanks for your advice,
>
> Pengwang
>
> ________________
> Pengwang Zhai (he/his/him)
> Graduate Program Director, Atmospheric Physics,
> Associate Professor, Physics Department, UMBC
> pwz...@umbc.edu <mailto:pwz...@umbc.edu> <mailto:pwz...@umbc.edu
<mailto:pwz...@umbc.edu>>
>
>
>
>
>
>
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--
Dr. Claudia Emde
Fakultät für Physik, Meteorologisches Institut
Ludwig-Maximilians-Universität
Theresienstrasse 37, 80333 München
Phone: +49 89 21804098, Fax: +49 89 2805508
--
Dr. Claudia Emde
Fakultät für Physik, Meteorologisches Institut
Ludwig-Maximilians-Universität
Theresienstrasse 37, 80333 München
Phone: +49 89 21804098, Fax: +49 89 2805508
