poliastro.core.czml_utils

Module Contents

Functions

intersection_ellipsoid_line(x, y, z, u1, u2, u3, a, b, c)	Intersection of an ellipsoid defined by its axes a, b, c with the
project_point_on_ellipsoid(x, y, z, a, b, c)	Return the projection of a point on an ellipsoid.

poliastro.core.czml_utils.intersection_ellipsoid_line(x, y, z, u1, u2, u3, a, b, c)

Intersection of an ellipsoid defined by its axes a, b, c with the line p + λu.

Parameters

• x (float) – A point of the line

• y (float) – A point of the line

• z (float) – A point of the line

• u1 (float) – The line vector

• u2 (float) – The line vector

• u3 (float) – The line vector

• a (float) – The ellipsoidal axises

• b (float) – The ellipsoidal axises

• c (float) – The ellipsoidal axises

Returns

p0, p1 – This returns both of the points intersecting the ellipsoid.

Return type

numpy.ndarray

poliastro.core.czml_utils.project_point_on_ellipsoid(x, y, z, a, b, c)

Return the projection of a point on an ellipsoid.

Parameters

• x (float) – Cartesian coordinates of point

• y (float) – Cartesian coordinates of point

• z (float) – Cartesian coordinates of point

• a (float) – Semi-axes of the ellipsoid

• b (float) – Semi-axes of the ellipsoid

• c (float) – Semi-axes of the ellipsoid