Hi Jiawei Zhu, > On 19. Dec 2022, at 21:42, Patrick Eriksson <patrick.eriks...@chalmers.se> > wrote: > > That said, there is no automatic way to select the line data to use for a > simulation, neither in qpack2 nor ARTS. The safest option is to load HITRAN > or arts-cat_data for a broad frequency range surrounding your frequency of > interest. But you could still need to complement this with some "continua".
Note that if you're using ARTS 2.4, you find the catalogs in the arts-xml-data package [1] in the subfolders spectroscopy/cat and spectroscopy/Hitran. arts-cat-data [2] is only compatible with the current development version 2.5.x. Cheers, Oliver [1] https://radiativetransfer.org/misc/download/stable/2.4/ [2] https://radiativetransfer.org/misc/download/unstable/
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