def test_ignoring_metadata_warning(self):
filename = os.path.join(self.tempdir, 'image0005')
save_image(filename, self.holo)
warn_msg = "Metadata detected but ignored. Use hp.load to read it."
with self.assertWarns(UserWarning) as cm:
load_image(filename + '.tif')
self.assertTrue(str(cm.warning) == warn_msg)
def test_auto_scaling(self):
filename = os.path.join(self.tempdir, 'image0001.tif')
save_image(filename, self.holo, depth='float')
with warnings.catch_warnings():
warnings.simplefilter("ignore")
l = load_image(filename,
name=self.holo.name,
spacing=get_spacing(self.holo))
# skip checking full DataArray attrs because it is akward to keep
# them through arithmetic. Ideally we would figure out a way to
# preserve them and switch back to testing fully
assert_allclose(l, (self.holo - self.holo.min()) /
(self.holo.max() - self.holo.min()))
def test_image_io(self):
filename = os.path.join(self.tempdir, 'image0001.tif')
save_image(filename, self.holo, scaling=None)
l = self.load_image_with_metadata(filename)
assert_obj_close(l, self.holo)
def test_load_func_from_save_image_func_with_scaling(self):
filename = os.path.join(self.tempdir, 'image0006')
save_image(filename, self.holo, scaling='auto')
loaded = load(filename + '.tif')
assert_obj_close(np.around(loaded), self.holo)
def test_load_func_from_save_image_func(self):
filename = os.path.join(self.tempdir, 'image0006')
save_image(filename, self.holo, scaling=None)
loaded = load(filename + '.tif')
assert_obj_close(loaded, self.holo)
def test_saving_16_bit(self):
filename = os.path.join(self.tempdir, 'image0003')
save_image(filename, self.holo, scaling=None, depth=16)
l = self.load_image_with_metadata(filename + '.tif')
assert_obj_close(l, self.holo)