Available with Spatial Analyst license.
The Solar Radiation analysis geoprocessing functions enable you to map and analyze the effects of the sun over a geographic area for specific time periods.
You can perform solar radiation analysis for a landscape or specific location using two methods:
- The Area Solar Radiation geoprocessing function is used to calculate the insolation across an entire landscape. The calculations are repeated for each location in the input topographic surface, producing insolation maps for an entire geographic area.
- The Points Solar Radiation geoprocessing function is used to calculate the amount of radiant energy for a given location. Locations can be stored as point features or as x,y coordinates in a location table. Solar radiation calculations can be performed for specified locations only.
For diagnostic purposes, you can use the Solar Radiation Graphics geoprocessing function to create graphic representations of the visible sky (viewshed map), the sun's position in the sky across a period of time (sun map), and the sectors of the sky that influence the amount of incoming solar radiation (sky map). Conceptually, these "maps" are used internally during analysis to calculate the total amount of solar radiation for a particular location or area.
The following topics provide background information on the theoretical aspects of these geoprocessing functions as well as some examples of their implementation.
- Learn more about solar radiation analysis
- Learn about modeling solar radiation
- Learn about how solar radiation is calculated
The following table lists the available geoprocessing functions and provides a brief description of each.
Derives incoming solar radiation from a raster surface.
Derives incoming solar radiation for specific locations in a point feature class or location table.
Derives raster representations of a hemispherical viewshed, sun map, and sky map, which are used in the calculation of direct, diffuse, and global solar radiation.