def test_center_and_dimensions(self): e = Ellipse(UnitVector3d.X(), UnitVector3d.Y(), Angle(2 * math.pi / 3)) self.assertAlmostEqual(e.getF1().dot(UnitVector3d.X()), 1.0) self.assertAlmostEqual(e.getF2().dot(UnitVector3d.Y()), 1.0) self.assertAlmostEqual(e.getAlpha(), Angle(2 * math.pi / 3)) f = Ellipse(UnitVector3d.X(), Angle(math.pi / 3), Angle(math.pi / 6), Angle(0)) self.assertEqual(f.getCenter(), UnitVector3d.X())
def test_construction(self): self.assertTrue(Ellipse.empty().isEmpty()) self.assertTrue(Ellipse().isEmpty()) self.assertTrue(Ellipse.full().isFull()) e = Ellipse(Circle(UnitVector3d.X(), Angle(math.pi / 2))) f = Ellipse(UnitVector3d.X(), Angle(math.pi / 2)) self.assertEqual(e, f) self.assertEqual(e.getAlpha(), e.getBeta()) self.assertTrue(e.isCircle()) self.assertTrue(e.isGreatCircle()) g = Ellipse(e) h = e.clone() self.assertEqual(e, g) self.assertEqual(g, h) self.assertNotEqual(id(e), id(g)) self.assertNotEqual(id(g), id(h))