colour.algebra.polar_to_cartesian¶
- colour.algebra.polar_to_cartesian(a)[source]¶
Transforms given polar coordinates array \(\rho\phi\) (radial coordinate, angular coordinate) to cartesian coordinates array \(xy\).
- Parameters
a (array_like) – Polar coordinates array \(\rho\phi\) to transform, \(\rho\) is in range [0, +inf], \(\phi\) is in range [-pi, pi] radians i.e. [-180, 180] degrees.
- Returns
Cartesian coordinates array \(xy\).
- Return type
ndarray
References
[], []
Examples
>>> a = np.array([3.16227766, 0.32175055]) >>> polar_to_cartesian(a) array([ 3. , 0.9999999...])