RadianceObj.gendaylit2manual(dni, dhi, sunalt, sunaz)[source]#

Sets and returns sky information using gendaylit. Uses user-provided data for sun position and irradiance.


This generates the sky at the sun altitude&azimuth provided, make sure it is the right position relative to how the weather data got created and read (i.e. label right, left or center).

  • dni (int or float) – Direct Normal Irradiance (DNI) value, in W/m^2

  • dhi (int or float) – Diffuse Horizontal Irradiance (DHI) value, in W/m^2

  • sunalt (int or float) – Sun altitude (degrees)

  • sunaz (int or float) – Sun azimuth (degrees)


skyname (string) – Filename of sky in /skies/ directory