| Variable Name and Aliases | Default Value | Arguments, Unit, Description |
|---|
| simulation.conf |
| dir_base|dir_base_directory | | base directory in which all subordinated files can be found |
| fn_raytracer | raytracer.conf | raytracer configuration file |
| fn_geometry | geometry.conf | geometry configuration file |
| fn_grid | grid/grid.conf | grid configuration file |
| fn_atmosphere|fn_medium | atmosphere/atmosphere.conf | (optical) atmosphere configuration file |
| fn_surface | surface/surface.conf | solid surface configuration file |
| fn_solar_irradiance|fn_Fraunhofer_spectrum|fn_F0 | solar_irradiance.txt | extra terrestrial solar irradiance spectrum file. Format: wavelength [nm] irradiance [W/m^2] |
| wavelength_distribution | delta | selection: delta|Gauss|flat :wavelength distribution of detected wavelength spectrum: delta|Gauss|flat |
| wavelength_nm | 360.000000 | wave length in nm |
| slit_sigma_nm | 0.000000 | slit function sigma in nm |
| wavelength_A_nm | 0.000000 | wave length A in nm |
| wavelength_B_nm | 0.000000 | wave length B in nm |
| b_use_HITRANDataBase | no | setup and use HITRAN spectral database |
| fn_HITRAN_database_configuration | hitran.conf | HITRAN database reference |
| fn_table_description|fn_data_table_format|fn_data_table_columns | file | file containing format of the data table to be processed |
| fn_data_table|fn_input_data | file | file with data in columns as described in the file above |
| fn_functional_layer|fn_functionals | functionals.conf | file describing the functionals to be calculated |