atm_fieldFitNonLTE

Workspace.atm_fieldFitNonLTE(self, atm_field: AtmField = self.atm_field, abs_bands: AbsorptionBands = self.abs_bands, freq_grid: AscendingGrid = self.freq_grid, spectral_propmat_agenda: Agenda = self.spectral_propmat_agenda, surf_field: SurfaceField = self.surf_field, pol: Stokvec = [1, 0, 0, 0], levels: ArrayOfQuantumLevelIdentifier, key: AtmKey = "t", iteration_limit: Index = 100, dzen: Numeric = 5, convergence_limit: Numeric = 1e-06, consider_limb: Index = 1, collision_data: QuantumIdentifierGriddedField1Map, azi: Numeric = 0, altitude_extrapolation: InterpolationExtrapolation = "Linear") → None

Fits non-LTE atmospheric field values

Wrapper calling Methods (in order):

Equivalent (mostly) Python code:

1ws = pyarts.Workspace()
2
3# ...
4
5 ws.atm_profileFromGrid()
6 ws.atm_profileFitNonLTE()
7 ws.atm_fieldFromProfile()

Author: Richard Larsson

Parameters:

  • atm_field (~pyarts3.arts.AtmField, optional) – An atmospheric field in ARTS, this is the main atmospheric data structure in ARTS. Defaults to self.atm_field. [INOUT]

  • abs_bands (~pyarts3.arts.AbsorptionBands, optional) – Bands of absorption lines for line-by-line (LBL) calculations. Defaults to self.abs_bands. [IN]

  • freq_grid (~pyarts3.arts.AscendingGrid, optional) – A frequency grid. Unit: Hz. Defaults to self.freq_grid. [IN]

  • spectral_propmat_agenda (~pyarts3.arts.Agenda, optional) – Computes the propagation matrix, the non-LTE source vector, and their derivatives. Defaults to self.spectral_propmat_agenda. [IN]

  • surf_field (~pyarts3.arts.SurfaceField, optional) – The surface field. Defaults to self.surf_field. [IN]

  • pol (~pyarts3.arts.Stokvec, optional) – The polarization selection vector (use the default unless you know what you are doing). Defaults to 1 0 0 0 [IN]

  • levels (ArrayOfQuantumLevelIdentifier) – The order of the energy levels. [IN]

  • key (~pyarts3.arts.AtmKey, optional) – Key to find the GeodeticField3 in the atmospheric field. Defaults to t [IN]

  • iteration_limit (~pyarts3.arts.Index, optional) – Maximum number of iterations. Defaults to 100 [IN]

  • dzen (~pyarts3.arts.Numeric, optional) – The zenith angle limit for the internal call to zen_gridProfilePseudo2D(). Defaults to 5 [IN]

  • convergence_limit (~pyarts3.arts.Numeric, optional) – Convergence criterion for the energy level distribution. Defaults to 1e-06 [IN]

  • consider_limb (~pyarts3.arts.Index, optional) – Whether to add extra limb points in zen_gridProfilePseudo2D(). Defaults to 1 [IN]

  • collision_data (QuantumIdentifierGriddedField1Map) – Collision data for the transitions - for \(C_{ij}\) and \(C_{ji}\). [IN]

  • azi (~pyarts3.arts.Numeric, optional) – The azimuth of the radiation. Defaults to 0 [IN]

  • altitude_extrapolation (~pyarts3.arts.InterpolationExtrapolation, optional) – Extrapolation method along the altitude grid. Defaults to Linear [IN]