blosc2.NDArray.__setitem__

NDArray.__setitem__(key: int | slice | Sequence[slice], value: object)

Set a slice of the array.

Parameters:

• key (int, slice or sequence of slices) – The index or indices specifying the slice(s) to be updated. Note that the step parameter is not yet supported.

• value (Py_Object Supporting the Buffer Protocol) – An object supporting the Buffer Protocol which will be used to overwrite the specified slice(s).

Examples

>>> import blosc2
>>> # Create an array
>>> a = blosc2.full([8, 8], 3.3333)
>>> # Set a slice to 0
>>> a[:5, :5] = 0
>>> a[:]
array([[0.    , 0.    , 0.    , 0.    , 0.    , 3.3333, 3.3333, 3.3333],
       [0.    , 0.    , 0.    , 0.    , 0.    , 3.3333, 3.3333, 3.3333],
       [0.    , 0.    , 0.    , 0.    , 0.    , 3.3333, 3.3333, 3.3333],
       [0.    , 0.    , 0.    , 0.    , 0.    , 3.3333, 3.3333, 3.3333],
       [0.    , 0.    , 0.    , 0.    , 0.    , 3.3333, 3.3333, 3.3333],
       [3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333],
       [3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333],
       [3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333, 3.3333]])