Hi Pengwang,
the controlfile TestAbs.arts, in line 15, has the following:
Copy(abs_xsec_agenda, abs_xsec_agenda__noCIA)
I checked in controlfiles/general/agendas.arts for what
abs_xsec_agenda__noCIA does:
AgendaCreate( abs_xsec_agenda__noCIA )
AgendaSet( abs_xsec_agenda__noCIA ){
abs_xsec_per_speciesInit
abs_xsec_per_speciesAddConts
}
Therefore the agenda calculates absorption for continua tag only (see
https://atmtools.github.io/arts-docs-master/docserver/methods/abs_xsec_per_speciesAddConts.html). You selected H2O, and by doing this my guess is that you are not considering continuum, as it is written in lines 36-37 of
TestAbs.arts.
I hope that this will help you,
Mattia
Pengwang Zhai <[email protected]> ha scritto:
Hello, ARTS community,
I downloaded and compiled the latest version of arts. Now I tested
the the creation of abs_lookup with the example control file located
in:
arts/controlfiles/artscomponents/absorption/TestAbs.arts
I only modified two occurrences of:
abs_speciesSet( species=[ "H2O-PWR98",
"O2-PWR93",
"N2-SelfContStandardType" ] )
to:
abs_speciesSet( species=[ "H2O" ] )
and run
arts TestAbs.arts
The resultant abs_lookup are all ZEROs.
Any help?
More background information: I used arts 2.3 to create abs_lookup
for H2O, CO2, etc. in the visible by reading from HITRAN 2012. The
baseline example was TestAbs.arts provided by the arts installation.
Now I need to revisit the calculation based on HITRAN 2020, and the
lookup table calculation seems not working with arts 2.5. I greatly
appreciate it if you could provide a working example on how to
create a abs_lookup with arts 2.5.
Pengwang
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