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
tuple	wgs84_f = (self.wgs84_a - self.wgs84_b) / self.wgs84_a
tuple	pow_e_2 = self.wgs84_f * (2-self.wgs84_f)

静态 Public 属性
int	x2 = x ** 2
int	y2 = y ** 2
int	z2 = z ** 2
int	wgs84_a
float	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