MaskedArray.tobytes()

MaskedArray.tobytes(fill_value=None, order='C') [source]

Return the array data as a string containing the raw bytes in the array.

The array is filled with a fill value before the string conversion.

New in version 1.9.0.

Parameters:

Parameters:	fill_value : scalar, optional Value used to fill in the masked values. Deafult is None, in which case `MaskedArray.fill_value` is used. order : {?C?,?F?,?A?}, optional Order of the data item in the copy. Default is ?C?. ?C? ? C order (row major). ?F? ? Fortran order (column major). ?A? ? Any, current order of array. None ? Same as ?A?.

fill_value : scalar, optional

Value used to fill in the masked values. Deafult is None, in which case MaskedArray.fill_value is used.

order : {?C?,?F?,?A?}, optional

Order of the data item in the copy. Default is ?C?.

As for ndarray.tobytes, information about the shape, dtype, etc., but also about fill_value, will be lost.

>>> x = np.ma.array(np.array([[1, 2], [3, 4]]), mask=[[0, 1], [1, 0]])
>>> x.tobytes()
'\x01\x00\x00\x00?B\x0f\x00?B\x0f\x00\x04\x00\x00\x00'

Links:

doc_NumPy

2017-01-10 18:10:24

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