sarkit.wgs84.north

north(latlonhae)

Compute local north unit vectors from WGS 84 geodetic coordinates.

Parameters:

latlonhae(…, 3) array_like

Array of geodetic coordinates with [latitude (deg), longitude (deg), and ellipsoidal height (m)] in the last dimension.

Returns:

(…, 3) ndarray

Array of local north unit vectors with X, Y, Z components in meters in the last dimension.

Examples

>>> import sarkit.wgs84
>>> sarkit.wgs84.north([[0,0,0], [0,90,0], [90,0,0]]).round(6)
array([[-0., -0.,  1.],
       [-0., -0.,  1.],
       [-1., -0.,  0.]])