py3dframe.Frame.z_axis#

property Frame.z_axis: ndarray#

The z-axis of the frame relative to the parent frame.

The z-axis is a 3 elements vector with shape (3, 1) representing the coordinates of the z-axis of the frame in the parent frame coordinates.

Note

This property is not settable. To change the z-axis, use the axes attribute.

See also

attribute parent to get or set the parent frame.
attribute x_axis to access the x-axis of the frame.
attribute y_axis to access the y-axis of the frame.
attribute global_z_axis to access the z-axis of the frame in the global frame coordinates.

Returns:: The z-axis of the frame in the parent frame coordinates with shape (3, 1).
Return type:: numpy.ndarray