def setUp(self):
super(TestImagingPositioner, self).setUp()
self.positioner = ImagingPositioner()
self.positioner.position = ORIGIN
self.positioner.orientation = ROT_ORIGIN
self._pixel_width_position = self.positioner.detector.pixel_width.to(q.m).magnitude
self._pixel_height_position = self.positioner.detector.pixel_height.to(q.m).magnitude
def setUp(self):
super(TestImagingPositioner, self).setUp()
self.positioner = ImagingPositioner()
self.positioner.position = ORIGIN
self.positioner.orientation = ROT_ORIGIN
self._pixel_width_position = self.positioner.detector.pixel_width.to(q.m).magnitude
self._pixel_height_position = self.positioner.detector.pixel_height.to(q.m).magnitude
class TestImagingPositioner(TestCase):
def setUp(self):
super(TestImagingPositioner, self).setUp()
self.positioner = ImagingPositioner()
self.positioner.position = ORIGIN
self.positioner.orientation = ROT_ORIGIN
self._pixel_width_position = self.positioner.detector.pixel_width.to(q.m).magnitude
self._pixel_height_position = self.positioner.detector.pixel_height.to(q.m).magnitude
def test_move(self):
pixel_width = self.positioner.detector.pixel_width.to(q.m).magnitude
pixel_height = self.positioner.detector.pixel_height.to(q.m).magnitude
self.positioner.move((100.0, 200.0, 0.0) * q.pixel).join()
position = (100.0 * pixel_width, 200.0 * pixel_height, 0.0) * q.m
assert_almost_equal(position, self.positioner.position)
# Cannot move in z-direction by pixel size
with self.assertRaises(PositionerError):
self.positioner.move((1.0, 2.0, 3.0) * q.pixel).join()
def test_right(self):
self.positioner.right(1 * q.px).join()
assert_almost_equal((self._pixel_width_position, 0.0, 0.0) * q.m, self.positioner.position)
def test_left(self):
self.positioner.left(1 * q.px).join()
assert_almost_equal((- self._pixel_width_position, 0.0, 0.0) * q.m,
self.positioner.position)
def test_up(self):
self.positioner.up(1 * q.px).join()
assert_almost_equal((0.0, self._pixel_height_position, 0.0) * q.m, self.positioner.position)
def test_down(self):
self.positioner.down(1 * q.px).join()
assert_almost_equal((0.0, - self._pixel_height_position, 0.0) * q.m,
self.positioner.position)
def test_forward(self):
with self.assertRaises(PositionerError):
self.positioner.forward(1 * q.px).join()
def test_back(self):
with self.assertRaises(PositionerError):
self.positioner.back(1 * q.px).join()
