isofit.core.geometry
====================

.. py:module:: isofit.core.geometry


Classes
-------

.. autoapisummary::

   isofit.core.geometry.Geometry


Module Contents
---------------

.. py:class:: Geometry(obs: numpy.array = None, loc: numpy.array = None, dt: datetime.datetime = None, esd: numpy.array = None, bg_rfl: numpy.array = None, svf: float = 1)

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


   .. py:attribute:: observer_zenith
      :value: 0



   .. py:attribute:: observer_azimuth
      :value: 0



   .. py:attribute:: solar_zenith
      :value: None



   .. py:attribute:: solar_azimuth
      :value: None



   .. py:attribute:: observer_altitude_km
      :value: None



   .. py:attribute:: surface_elevation_km
      :value: None



   .. py:attribute:: earth_sun_distance
      :value: None



   .. py:attribute:: esd_factor
      :value: None



   .. py:attribute:: earth_sun_distance_reference
      :value: None



   .. py:attribute:: bg_rfl
      :value: None



   .. py:attribute:: cos_i
      :value: None



   .. py:attribute:: skyview_factor
      :value: 1



   .. py:attribute:: latitude
      :value: None



   .. py:attribute:: longitude
      :value: None



   .. py:method:: get_esd_factor(date_time: datetime.datetime)

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

      :returns: ratio of earth sun distnace based on datetime.
      :rtype: float



   .. py:method:: verify(coszen)

      Verify important geometry data such as coszen, cos_i, slope, aspect, and sky view prior to inversion.