def angle(self, p):

        c = self.c.vector * self.x.vector.dot(self.c.vector) # center in circle plane

        a = (self.x.vector - c).normalized()
        b = (p.vector - c).normalized()
        return math.acos(a.dot(b))
dataset/ETHPy150Open scot-dev/scot/scot/eegtopo/geo_spherical.py/Circle.angle/original