def test_image_from_image_layer_translate():
data = np.random.randint(256, size=(10, 10), dtype=np.uint8)
metadata = {"wookies": 7, "units": "mm"}
translate = [1.1, 2.2]
image_layer = napari.layers.Image(data, translate=translate)
image = itk_napari_conversion.image_from_image_layer(image_layer)
assert np.array_equal(data, itk.array_view_from_image(image))
assert np.allclose(translate, np.array(image["origin"]))
def test_image_from_image_layer_scale():
data = np.random.randint(256, size=(10, 10), dtype=np.uint8)
metadata = {"wookies": 7, "units": "mm"}
scale = [1.1, 2.2]
image_layer = napari.layers.Image(data, scale=scale)
image = itk_napari_conversion.image_from_image_layer(image_layer)
assert np.array_equal(data, itk.array_view_from_image(image))
assert np.allclose(scale, np.array(image["spacing"]))
def test_image_from_image_layer_metadata():
data = np.random.randint(256, size=(10, 10, 3), dtype=np.uint8)
metadata = {"wookies": 7, "units": "mm"}
image_layer = napari.layers.Image(data, metadata=metadata)
image = itk_napari_conversion.image_from_image_layer(image_layer)
assert np.array_equal(data, itk.array_view_from_image(image))
assert image["wookies"] == 7
assert image["units"] == "mm"
def test_image_from_image_layer_rgb():
data = np.random.randint(256, size=(10, 10, 3), dtype=np.uint8)
image_layer = napari.layers.Image(data, rgb=True)
image = itk_napari_conversion.image_from_image_layer(image_layer)
assert np.array_equal(data, itk.array_view_from_image(image))
assert itk.template(image)[1][0] is itk.RGBPixel[itk.UC]
def test_image_from_image_layer():
data = np.random.randint(256, size=(10, 10), dtype=np.uint8)
image_layer = napari.layers.Image(data)
image = itk_napari_conversion.image_from_image_layer(image_layer)
assert np.array_equal(data, itk.array_view_from_image(image))