quaternion_unitize

compas.geometry.quaternion_unitize(q)

Makes a quaternion unit-length.

Parameters

q ([float, float, float, float] | Quaternion) – Quaternion or sequence of four floats [w, x, y, z].

Returns

[float, float, float, float] – Quaternion of length 1 as a list of four real values [nw, nx, ny, nz].