abs_cia_data
============

.. currentmodule:: pyarts3.workspace

.. attribute:: Workspace.abs_cia_data
   :type: ~pyarts3.arts.ArrayOfCIARecord

   HITRAN Collision-Induced Absorption (CIA) Data.

   This variable holds HITRAN CIA data (binary absorption
   cross-sections). The data itself is described in :cite:t:`Richard2012`.

   The binary absorption cross-sections have to be multiplied with the
   densities of both molecules to get a scalar absorption coefficient.

   Dimensions:

   The length of this array should be equal to the number of pairs
   of molecules that have CIA data available.
   Some methods that split the data might not work as intended otherwise.

   See also :doc:`concept.absorption.cia` for more information on CIA calculations.




   .. rubric:: Input to workspace methods

   .. hlist::
       :columns: 1

       * :func:`~pyarts3.workspace.Workspace.atm_fieldAppendCIASpeciesData`
       * :func:`~pyarts3.workspace.Workspace.spectral_propmatAddCIA`


   .. rubric:: Output from workspace methods

   .. hlist::
       :columns: 1

       * :func:`~pyarts3.workspace.Workspace.ReadCatalogData`
       * :func:`~pyarts3.workspace.Workspace.abs_cia_dataReadFromCIA`
       * :func:`~pyarts3.workspace.Workspace.abs_cia_dataReadFromXML`
       * :func:`~pyarts3.workspace.Workspace.abs_cia_dataReadSpeciesSplitCatalog`


   .. rubric:: Related workspace variables

   .. hlist::
       :columns: 2

       * :attr:`~pyarts3.workspace.Workspace.abs_bands`
       * :attr:`~pyarts3.workspace.Workspace.abs_ecs_data`
       * :attr:`~pyarts3.workspace.Workspace.abs_lookup_data`
       * :attr:`~pyarts3.workspace.Workspace.abs_predef_data`
       * :attr:`~pyarts3.workspace.Workspace.abs_species`
       * :attr:`~pyarts3.workspace.Workspace.abs_xfit_data`
       * :attr:`~pyarts3.workspace.Workspace.spectral_absvec_scat`
       * :attr:`~pyarts3.workspace.Workspace.spectral_absvec_scat_path`

   .. :class:`~pyarts3.arts.ArrayOfCIARecord`