def test_center_coords(self):
grid = RegularGrid((0.0, 0.0, 30.0, 30.0, 0.0, 0.0),
values=np.zeros([49, 49]))
ans = np.meshgrid(np.arange(15.0, 1471.0, 30.0),
np.arange(15.0, 1471.0, 30.0))
self.assertEqual(0.0, np.sum(grid.center_coords()[0] - ans[0]))
self.assertEqual(0.0, np.sum(grid.center_coords()[1] - ans[1]))
def test_center_coords_skewed(self):
grid = RegularGrid((15.0, 15.0, 30.0, 30.0, 20.0, 10.0),
values=np.zeros([5, 5]))
X, Y = grid.center_coords()
self.assertEqual(X[0, 0], 40.0)
self.assertEqual(Y[0, 0], 35.0)
self.assertEqual(X[-1, 0], 120.0)
self.assertEqual(Y[-1, 0], 155.0)
self.assertEqual(X[-1, -1], 240.0)
self.assertEqual(Y[-1, -1], 195.0)
