# Copyright (c) 2016, Science and Technology Facilities Council
# This software is distributed under a BSD licence. See LICENSE.txt.
"""
constants
---------

Constants used by the mrcfile.py library.
"""

# Import Python 3 features for future-proofing
from __future__ import (absolute_import, division, print_function,
                        unicode_literals)


# Constants
MAP_ID = b'MAP '
MRC_FORMAT_VERSION = 20140 # MRC2014 format, version 0

IMAGE_STACK_SPACEGROUP = 0
VOLUME_SPACEGROUP = 1
VOLUME_STACK_SPACEGROUP = 401
