def test_mesh_width(self):
lons = numpy.array([[0.1, 0.1, 0.1, 0.1],
[0.1, 0.1, 0.1, 0.1],
[0.1, 0.1, 0.1, 0.1]])
lats = numpy.array([[0.1, 0.10899322, 0.11798643, 0.12697965],
[0.1, 0.10899322, 0.11798643, 0.12697965],
[0.1, 0.10899322, 0.11798643, 0.12697965]])
depths = numpy.array([[2.0, 2.0, 2.0, 2.0],
[3.0, 3.0, 3.0, 3.0],
[4.0, 4.0, 4.0, 4.0]])
mesh = RectangularMesh(lons, lats, depths)
self.assertAlmostEqual(mesh.get_mean_width(), 2.0)
