Hi, 2.2.24 is a very old, outdated version of ARTS, I strongly recommend to use the current latest stable version 2.6 instead.
The variable you're missing is part of the atmosphere scenario, which is usually read in with AtmRawRead, see artscomponents/absorption/TestAbs.arts for an example. Cheers, Oliver > On 26. Nov 2024, at 04:18, 黄 威 via arts_users.mi > <arts_users.mi@lists.uni-hamburg.de> wrote: > > Dear ARTS Developers, > > I wish to use arts-2.2.24 to simulate brightness temperature in cloudy sky > without scattering. The method 'propmat_clearskyAddParticles' have been added > to the propmat_clearsky_agenda. Parameters related to > ParticleType2abs_speciesAdd in the cfile.arts file have been set as follows: > ParticleType2abs_speciesAdd( > > filename_scat_data="~/scat_data_array_1.xml",filenae_pnd_field="~/pnd_field_raw_1.xml") > However, the method ParticlesType2abs_speciesAdd always prompts me with > "Method ParticlesType2abs_speciesAdd needs input variable: vmr_field_raw." > Can anyone help me or send me an example?
