wradlib.georef.misc.get_earth_radius¶
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wradlib.georef.misc.
get_earth_radius
(latitude, sr=None)¶ Get the radius of the Earth (in km) for a given Spheroid model (sr) at a given position.
\[R^2 = \frac{a^4 \cos(f)^2 + b^4 \sin(f)^2} {a^2 \cos(f)^2 + b^2 \sin(f)^2}\]Parameters: - sr (osr object) – spatial reference
- latitude (float) – geodetic latitude in degrees
Returns: radius (float) – earth radius in meter