colour.algebra.cartesian_to_cylindrical¶
-
colour.algebra.
cartesian_to_cylindrical
(a)[source]¶ Transforms given Cartesian coordinates array \(xyz\) to Cylindrical coordinates array \(\rho\phi z\) (azimuth, radial distance and height).
- Parameters
a (array_like) – Cartesian coordinates array \(xyz\) to transform.
- Returns
Cylindrical coordinates array \(\rho\phi z\).
- Return type
ndarray
References
Examples
>>> a = np.array([3, 1, 6]) >>> cartesian_to_cylindrical(a) array([ 3.1622776..., 0.3217505..., 6. ])