1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# Authors: Christian Brodbeck <christianbrodbeck@nyu.edu>
#
# License: BSD (3-clause)
import os
from numpy.testing import assert_array_equal
from nose.tools import assert_true, assert_false, assert_equal
from mne.datasets import testing
from mne.utils import _TempDir, requires_traits
sample_path = testing.data_path(download=False)
subjects_dir = os.path.join(sample_path, 'subjects')
@testing.requires_testing_data
@requires_traits
def test_mri_model():
"""Test MRIHeadWithFiducialsModel Traits Model"""
from mne.gui._fiducials_gui import MRIHeadWithFiducialsModel
tempdir = _TempDir()
tgt_fname = os.path.join(tempdir, 'test-fiducials.fif')
model = MRIHeadWithFiducialsModel(subjects_dir=subjects_dir)
model.subject = 'sample'
assert_equal(model.default_fid_fname[-20:], "sample-fiducials.fif")
assert_false(model.can_reset)
assert_false(model.can_save)
model.lpa = [[-1, 0, 0]]
model.nasion = [[0, 1, 0]]
model.rpa = [[1, 0, 0]]
assert_false(model.can_reset)
assert_true(model.can_save)
bem_fname = os.path.basename(model.bem.file)
assert_false(model.can_reset)
assert_equal(bem_fname, 'lh.seghead')
model.save(tgt_fname)
assert_equal(model.fid_file, tgt_fname)
# resetting the file should not affect the model's fiducials
model.fid_file = ''
assert_array_equal(model.lpa, [[-1, 0, 0]])
assert_array_equal(model.nasion, [[0, 1, 0]])
assert_array_equal(model.rpa, [[1, 0, 0]])
# reset model
model.lpa = [[0, 0, 0]]
model.nasion = [[0, 0, 0]]
model.rpa = [[0, 0, 0]]
assert_array_equal(model.lpa, [[0, 0, 0]])
assert_array_equal(model.nasion, [[0, 0, 0]])
assert_array_equal(model.rpa, [[0, 0, 0]])
# loading the file should assign the model's fiducials
model.fid_file = tgt_fname
assert_array_equal(model.lpa, [[-1, 0, 0]])
assert_array_equal(model.nasion, [[0, 1, 0]])
assert_array_equal(model.rpa, [[1, 0, 0]])
# after changing from file model should be able to reset
model.nasion = [[1, 1, 1]]
assert_true(model.can_reset)
model.reset = True
assert_array_equal(model.nasion, [[0, 1, 0]])
|
