test_curve.py 文件源码

def test_reduce_(self):
        nodes = np.asfortranarray([
            [0.0, 0.0],
            [1.0, 3.0],
            [2.0, 3.0],
            [3.0, 0.0],
        ])
        curve = self._make_one(nodes, 3)
        self.assertEqual(curve.degree, 3)
        reduced = curve.reduce_()

        expected = np.asfortranarray([
            [0.0, 0.0],
            [1.5, 4.5],
            [3.0, 0.0],
        ])
        self.assertEqual(reduced.nodes, expected)
        self.assertEqual(reduced.start, curve.start)
        self.assertEqual(reduced.end, curve.end)

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