Class BoolTypeArray

xarray/coding/variables.py:77–118

Decode arrays on the fly from integer to boolean datatype This is useful for decoding boolean arrays from integer typed netCDF variables. >>> x = np.array([1, 0, 1, 1, 0], dtype="i1") >>> x.dtype dtype('int8') >>> BoolTypeArray(x).dtype dtype('bool') >>> indexer

class BoolTypeArray(indexing.ExplicitlyIndexedNDArrayMixin):
    """Decode arrays on the fly from integer to boolean datatype

    This is useful for decoding boolean arrays from integer typed netCDF
    variables.

    >>> x = np.array([1, 0, 1, 1, 0], dtype="i1")

    >>> x.dtype
    dtype('int8')

    >>> BoolTypeArray(x).dtype
    dtype('bool')

    >>> indexer = indexing.BasicIndexer((slice(None),))
    >>> BoolTypeArray(x)[indexer].dtype
    dtype('bool')
    """

    __slots__ = ("array",)

    def __init__(self, array) -> None:
        self.array = indexing.as_indexable(array)

    @property
    def dtype(self) -> np.dtype:
        return np.dtype("bool")

    def _oindex_get(self, key):
        return type(self)(self.array.oindex[key])

    def _vindex_get(self, key):
        return type(self)(self.array.vindex[key])

    def __getitem__(self, key) -> Self:
        return type(self)(self.array[key])

    def get_duck_array(self):
        return duck_array_ops.astype(self.array.get_duck_array(), dtype=self.dtype)

    def transpose(self, order):
        return type(self)(self.array.transpose(order))


def _apply_mask(