EarthModel类 参考

Public 成员函数
	__init__ (self)
	lla2ecef (self, lat, lon, h)
	ecef2enu (self, x, y, z, lat0, lon0, h0)
	enu2ecef (self, xEast, yNorth, zUp, lat0, lon0, h0)
	ecef2lla (self, x, y, z)
	lla2enu (self, lat, lon, h, lat_ref, lon_ref, h_ref)
	enu2lla (self, xEast, yNorth, zUp, lat_ref, lon_ref, h_ref)
	lla2ned (self, lla, lla0)
	ned2lla (self, ned, lla0)

Public 属性
	wgs84_f
	pow_e_2

静态 Public 属性
int	x2 = x ** 2
int	y2 = y ** 2
int	z2 = z ** 2
	wgs84_a
	wgs84_b
	e = math.sqrt (1-(self.wgs84_b/self.wgs84_a)**2)
	b2 = self.wgs84_b*self.wgs84_b
int	e2 = e ** 2
	ep = e*(self.wgs84_a/self.wgs84_b)
	r = math.sqrt(x2+y2)
	r2 = r*r
int	E2 = self.wgs84_a ** 2 - self.wgs84_b ** 2
int	F = 54*b2*z2
int	G = r2 + (1-e2)*z2 - e2*E2
tuple	c = (e2*e2*F*r2)/(G*G*G)
tuple	s = ( 1 + c + math.sqrt(c*c + 2*c) )**(1/3)
int	P = F / (3 * (s+1/s+1)**2 * G*G)
	Q = math.sqrt(1+2*e2*e2*P)
	ro = -(P*e2*r)/(1+Q) + math.sqrt((self.wgs84_a*self.wgs84_a/2)*(1+1/Q) - (P*(1-e2)*z2)/(Q*(1+Q)) - P*r2/2)
tuple	tmp = (r - e2*ro) ** 2
	U = math.sqrt( tmp + z2 )
	V = math.sqrt( tmp + (1-e2)*z2 )
tuple	zo = (b2*z)/(self.wgs84_a*V)
	height = U*( 1 - b2/(self.wgs84_a*V) )
	lat = math.atan( (z + ep*ep*zo)/r )
	temp = math.atan(y/x)
	long = temp
	lat0 = lat/(math.pi/180)
	lon0 = long/(math.pi/180)
	h0 = height

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该类的文档由以下文件生成:

• swarm/VehicleApi.py