()
| 279 | |
| 280 | |
| 281 | def test_isolines(): |
| 282 | |
| 283 | c = cylinder(1, 2).faces("%CYLINDER") |
| 284 | |
| 285 | isos_v = c.isolines([0, 1]) |
| 286 | isos_u = c.isolines([0, 1], "u") |
| 287 | |
| 288 | assert len(isos_u) == 2 |
| 289 | assert len(isos_v) == 2 |
| 290 | |
| 291 | assert isos_u[0].Length() == approx(2) |
| 292 | assert isos_v[0].Length() == approx(pi) |
| 293 | |
| 294 | |
| 295 | def test_extend(): |