isofit.core.geometry

class Geometry(obs=None, loc=None, dt=None, bg_rfl=None)

Bases: object

The geometry of the observation, all we need to calculate sensor, surface, and solar positions.

get_esd_factor(date_time)

Get distance ratio from sun based on time of year, relative to day 1 :type date_time: datetime :param date_time: datetime to search

Returns:

ratio of earth sun distnace based on datetime.

Return type:

float