test_curve.py 文件源码

def test_elevate(self):
        nodes = np.asfortranarray([
            [0.0, 0.5],
            [1.0, 1.0],
            [3.0, 2.0],
            [3.5, 4.0],
        ])
        curve = self._make_one(nodes, 3)
        self.assertEqual(curve.degree, 3)
        elevated = curve.elevate()
        self.assertEqual(elevated.degree, 4)
        self.assertEqual(elevated.start, curve.start)
        self.assertEqual(elevated.end, curve.end)

        s_vals = np.linspace(0.0, 1.0, 64 + 1)
        orig_vals = curve.evaluate_multi(s_vals)
        new_vals = elevated.evaluate_multi(s_vals)
        self.assertEqual(orig_vals, new_vals)