PackBits

class numcodecs.packbits.PackBits

Codec to pack elements of a boolean array into bits in a uint8 array.

Notes

The first element of the encoded array stores the number of bits that were padded to complete the final byte.

Examples

>>> import numcodecs as codecs
>>> import numpy as np
>>> codec = codecs.PackBits()
>>> x = np.array([True, False, False, True], dtype=bool)
>>> y = codec.encode(x)
>>> y
array([  4, 144], dtype=uint8)
>>> z = codec.decode(y)
>>> z
array([ True, False, False,  True], dtype=bool)

codec_id = 'packbits'