Count.
mask
The mask of the data array.
Values of True indicate masked elements.
See also
binary_mask
Examples:
>>> f.shape (12, 73, 96) >>> m = f.mask >>> m.long_name 'mask' >>> m.shape (12, 73, 96) >>> m.dtype dtype('bool') >>> m.data <CF Data(12, 73, 96): [[[True, ..., False]]] >