sainsc.lazykde.LazyKDE.background
=================================

.. py:property:: sainsc.lazykde.LazyKDE.background
   :type: numpy.typing.NDArray[numpy.bool_] | None

   Map of pixels that are assigned as background.

   :raises TypeError: If setting with array that is not of type `numpy.bool`.
   :raises ValueError: If setting with array that has different shape than `self`.

   :type: numpy.ndarray[numpy.bool]