factory_test.py 文件源码

def test_polygon(self):
        pts = [[1,0], [1,1], [0,1], [0,2], [6,2]]
        c = CurveFactory.polygon(pts)
        expected_knots = [0,0,1,2,3,9,9]
        actual_knots   = c.knots(0,True)

        self.assertEqual(len(c),      5)
        self.assertEqual(c.order(0),  2)
        self.assertEqual(c.dimension, 2)
        self.assertAlmostEqual(np.linalg.norm(expected_knots - actual_knots), 0.0)

        c = CurveFactory.polygon([0,0], [1,0], [0,1], [-1,0], relative=True)
        self.assertEqual(len(c), 4)
        self.assertAlmostEqual(c[2][0], 1)
        self.assertAlmostEqual(c[2][1], 1)
        self.assertAlmostEqual(c[3][0], 0)
        self.assertAlmostEqual(c[3][1], 1)