| Name | Description |
| Alias | The alias for this tool's toolbox. |
| azimuth_divisions | The number of divisions used to create sky sectors in the sky map. (In, Optional) |
| calculation_directions | The number of azimuth directions used when calculating the viewshed. (In, Optional) |
| day_interval | The time interval through the year (units: days) used for calculation of sky sectors for the sun map. (In, Optional) |
| diffuse_model_type | Type of diffuse radiation model. (In, Optional) |
| diffuse_proportion | The proportion of global normal radiation flux that is diffuse. Values range from 0 to 1. (In, Optional) |
| each_interval | Specifies whether to calculate a single total insolation value for all locations or multiple values for the specified hour and day interval.
(In, Optional) |
| hour_interval | Time interval through the day (units: hours) used for calculation of sky sectors for sun maps. (In, Optional) |
| in_surface_raster | Input elevation surface raster. (In, Required) |
| latitude | The latitude for the site area. The units are decimal degrees, with positive values for the northern hemisphere and negative for the southern. (In, Optional) |
| out_diffuse_radiation_raster | The output raster representing the diffuse incoming solar radiation for each location. (Out, Optional) |
| out_direct_duration_raster | The output raster representing the duration of direct incoming solar radiation. (Out, Optional) |
| out_direct_radiation_raster | The output raster representing the direct incoming solar radiation for each location. (Out, Optional) |
| out_global_radiation_raster | The output raster representing the global radiation or total amount of incoming solar insolation (direct + diffuse) calculated for each location of the input surface. (Out, Required) |
| ParameterInfo | The parameters used by this tool. For internal use only. |
| sky_size | The resolution or sky size for the viewshed, sky map, and sun map grids. The units are cells. (In, Optional) |
| slope_aspect_input_type | How slope and aspect information are derived for analysis. (In, Optional) |
| time_configuration | Specifies the time configuration (period) used for calculating solar radiation. (In, Optional) |
| ToolboxDirectory | The directory of this tool's toolbox. |
| ToolboxName | The name of this tool's toolbox. |
| ToolName | The name of this tool. |
| transmittivity | The fraction of radiation that passes through the atmosphere (averaged over all wavelengths). Values range from 0 (no transmission) to 1 (all transmission). (In, Optional) |
| z_factor | The number of ground x,y units in one surface z unit. (In, Optional) |
| zenith_divisions | The number of divisions used to create sky sectors in the sky map. (In, Optional) |