tilt_angles#

cbclib.bin.tilt_angles(rot_mats: numpy.ndarray)[source]#

Calculate an axis of rotation and a rotation angle for a rotation matrix.

Parameters

rot_mats (numpy.ndarray) – A set of rotation matrices.

Returns

A set of three angles \(\theta, \alpha, \beta\), a rotation angle \(\theta\), an angle between the axis of rotation and OZ axis \(\alpha\), and a polar angle of the axis of rotation \(\beta\).

Return type

numpy.ndarray