>>> import nibabel
>>> nibabel_image = nibabel.load("D4600.mnc")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Python\lib\site-packages\nibabel\loadsave.py", line 52, in load
    img = image_klass.from_filename(filename, **kwargs)
  File "C:\Python\lib\site-packages\nibabel\dataobj_images.py", line 488, in from_filename
    return klass.from_file_map(file_map, mmap=mmap,
  File "C:\Python\lib\site-packages\nibabel\minc2.py", line 165, in from_file_map
    minc_file = Minc2File(h5py.File(holder.filename, 'r'))
  File "C:\Python\lib\site-packages\nibabel\minc2.py", line 63, in __init__
    raise ValueError('Irregular spacing not supported')
ValueError: Irregular spacing not supported

>>> import nibabel
>>> nibabel_image = nibabel.load("D4600.mnc")
>>> nibabel_image.get_fdata()
array([[[-0.01740957, -0.01740957, -0.01740957, ..., -0.01740957,
         -0.01740957, -0.01740957],
...
>>> from nibabel.minc2 import Minc2File
>>> import h5py
>>> f = Minc2File(h5py.File("D4600.mnc"))
>>> f._dim_names
['zspace', 'yspace', 'xspace']
>>> [d.spacing for d in f._dims]
[b'xspace', b'xspace', b'xspace']
>>> list(f._mincfile['minc-2.0']['dimensions']['xspace'].attrs.items())
[('alignment', b'centre'), ('comments', b'X increases from patient left to right'), ('direction_cosines', array([1., 0., 0.])), ('length', 642), ('spacetype', b'native____'), ('spacing', b'xspace'), ('start', -2.625), ('step', 0.035), ('units', b'mm'), ('varid', b'MINC standard variable'), ('vartype', b'dimension____'), ('version', b'MINC Version    1.0')]
>>> list(f._mincfile['minc-2.0']['dimensions']['zspace'].attrs.items())
[('alignment', b'centre'), ('comments', b'Z increases from patient inferior to superior'), ('direction_cosines', array([0., 0., 1.])), ('length', 979), ('spacetype', b'native____'), ('spacing', b'xspace'), ('start', -4.060000000000001), ('step', 0.035), ('units', b'mm'), ('varid', b'MINC standard variable'), ('vartype', b'dimension____'), ('version', b'MINC Version    1.0')]
>>> list(f._mincfile['minc-2.0']['dimensions']['yspace'].attrs.items())
[('alignment', b'centre'), ('comments', b'Y increases from patient posterior to anterior'), ('direction_cosines', array([0., 1., 0.])), ('length', 586), ('spacetype', b'native____'), ('spacing', b'xspace'), ('start', -2.415), ('step', 0.035), ('units', b'mm'), ('varid', b'MINC standard variable'), ('vartype', b'dimension____'), ('version', b'MINC Version    1.0')]