def _join_masks_from_masked_array ( data ) : if not isinstance ( data . mask , np . ndarray ) : # workaround to handle mask compressed to single value mask = np . empty ( data . data . shape , dtype = np . bool ) mask . fill ( data . mask ) return mask mask = data . mask [ 0 ] . copy ( ) for i in range ( 1 , len ( data . mask ) ) : mask = np . logical_or ( mask , data . mask [ i ] ) return mask [ np . newaxis , : , : ]
how to join two masked arrays in python
Union of masks .
def _join_masks_from_masked_array(data):
    """Union of masks."""
    if not isinstance(data.mask, np.ndarray):
        # workaround to handle mask compressed to single value
        mask = np.empty(data.data.shape, dtype=np.bool)
        mask.fill(data.mask)
        return mask
    mask = data.mask[0].copy()
    for i in range(1, len(data.mask)):
        mask = np.logical_or(mask, data.mask[i])
    return mask[np.newaxis, :, :]