colour.utilities.closest_indexes#

colour.utilities.closest_indexes(a: ArrayLike, b: ArrayLike) → ndarray[Any, dtype[_ScalarType_co]][source]#

Return the array \(a\) closest element indexes to the reference array \(b\) elements.

Parameters:

  • a (ArrayLike) – Array \(a\) to search for the closest element indexes.

  • b (ArrayLike) – Reference array \(b\).

Returns:

Closest array \(a\) element indexes.

Return type:

numpy.ndarray

Examples

>>> a = np.array(
...     [
...         24.31357115,
...         63.62396289,
...         55.71528816,
...         62.70988028,
...         46.84480573,
...         25.40026416,
...     ]
... )
>>> print(closest_indexes(a, 63))
[3]
>>> print(closest_indexes(a, [63, 25]))
[3 5]