def test_numpy_image_container_voxel_size_mm_getter(
numpy_image_container: NumpyImageContainer, ):
""" Test that the correct voxel size is returned from a NumpyImageContainer """
# NIFTI header has mm in xyzt_units
np.testing.assert_array_almost_equal(numpy_image_container.voxel_size_mm,
np.array([2.0, 2.0, 2.2]))
numpy_image_container.space_units = UNITS_METERS
np.testing.assert_array_almost_equal(numpy_image_container.voxel_size_mm,
np.array([2000.0, 2000.0, 2200.0]))
numpy_image_container.space_units = UNITS_MICRONS
np.testing.assert_array_almost_equal(numpy_image_container.voxel_size_mm,
np.array([2.0e-3, 2.0e-3, 2.2e-3]))
def test_numpy_image_container_voxel_size_mm_setter(
numpy_image_container: NumpyImageContainer, ):
""" Test that the correct voxel size is set on a NumpyImageContainer """
# voxel size is 2x2x2mm
numpy_image_container.voxel_size_mm = [3.0, 2.0, 1.0]
numpy_image_container.space_units = UNITS_METERS
# Just test that we have 3x2x1m reported in mm
np.testing.assert_array_almost_equal(numpy_image_container.voxel_size_mm,
np.array([3000.0, 2000.0, 1000.0]))