def make_compare_images(image, reference_file, tolerance=0.1):
reader = imagereader.vmtkImageReader()
try:
datadir = os.path.join(
os.path.dirname(os.path.dirname(os.path.realpath(__file__))),
'vmtk-test-data', 'imagereference')
if not os.path.isdir(datadir): raise ValueError()
except ValueError:
datadir = os.path.join(
os.path.dirname(
os.path.dirname(
os.path.dirname(
os.path.dirname(os.path.realpath(__file__))))),
'vmtk-test-data', 'imagereference')
if not os.path.isdir(datadir):
raise ValueError(
'the vmtk-test-data repository cannot be found at the same level as vmtk. expected it to be at',
datadir)
reader.InputFileName = os.path.join(datadir, reference_file)
reader.Execute()
comp = imagecompare.vmtkImageCompare()
comp.Image = image
comp.ReferenceImage = reader.Image
comp.Method = 'subtraction'
comp.Tolerance = tolerance
comp.Execute()
return comp.Result
def make_compare_images(image, reference_file, tolerance=0.1):
reader = imagereader.vmtkImageReader()
try:
datadir = os.path.join(
os.path.dirname(
os.path.dirname(
os.path.realpath(__file__))), 'vmtk-test-data', 'imagereference')
if not os.path.isdir(datadir): raise ValueError()
except ValueError:
datadir = os.path.join(
os.path.dirname(
os.path.dirname(
os.path.dirname(
os.path.dirname(
os.path.realpath(__file__))))),
'vmtk-test-data', 'imagereference')
if not os.path.isdir(datadir):
raise ValueError('the vmtk-test-data repository cannot be found at the same level as vmtk. expected it to be at', datadir)
reader.InputFileName = os.path.join(datadir, reference_file)
reader.Execute()
comp = imagecompare.vmtkImageCompare()
comp.Image = image
comp.ReferenceImage = reader.Image
comp.Method = 'subtraction'
comp.Tolerance = tolerance
comp.Execute()
return comp.Result
def test_compare_same_image(aorta_image):
comparer = comp.vmtkImageCompare()
comparer.Method = 'subtraction'
comparer.Image = aorta_image
comparer.ReferenceImage = aorta_image
comparer.Execute()
assert comparer.Result is True
def test_compare_not_same_image(aorta_image):
wraper = wrap.vmtkImageToNumpy()
wraper.Image = aorta_image
wraper.Execute()
multiplied = wraper.ArrayDict
multiplied['PointData']['ImageScalars'] = multiplied['PointData']['ImageScalars'] * 2
back = wrap2.vmtkNumpyToImage()
back.ArrayDict = multiplied
back.Execute()
comparer = comp.vmtkImageCompare()
comparer.Method = 'subtraction'
comparer.Image = aorta_image
comparer.ReferenceImage = back.Image
comparer.Execute()
assert comparer.Result is False