def METHOD_NAME(self):
  s = SFMConstraints(self.meta_, self.geo_)
  s.store_image_size(0, 1080, 720)
  a,b = 0,0
  founda, foundb = False, False
  founda, a = s.get_image_width(0, a)
  foundb, b = s.get_image_height(0, b)
  nt.ok_(founda)
  nt.ok_(foundb)
  nt.assert_equal(a, 1080)
  nt.assert_equal(b, 720)
  found_focal = True
  focal_len = 0.1
  found_focal, focal_len = s.get_focal_length_prior(0, focal_len)
  nt.assert_false(found_focal)
  nt.assert_almost_equal(focal_len, 0.1)