League\Geotools\Coordinate\Ellipsoid::getArithmeticMeanRadius PHP Method

Computes and returns the arithmetic mean radius in meters.

See also: http://home.online.no/~sigurdhu/WGS84_Eng.html

public getArithmeticMeanRadius ( ) : double
return	double

    public function getArithmeticMeanRadius()
    {
        return (double) $this->a * (1 - 1 / $this->invF / 3);
    }

Ellipsoid