def testParallelPlaneFaceFilter(self):
c = CQ(makeUnitCube(centered=False))
# faces parallel to Z axis
# these two should produce the same behaviour:
for s in ["|Z", selectors.ParallelDirSelector(Vector(0, 0, 1))]:
parallel_faces = c.faces(s)
self.assertEqual(2, parallel_faces.size())
for f in parallel_faces.vals():
self.assertAlmostEqual(
abs(f.normalAt(None).dot(Vector(0, 0, 1))), 1)
self.assertEqual(2,
c.faces(
selectors.ParallelDirSelector(Vector(
(0, 0, -1)))).size()) # same thing as above
# just for fun, vertices on faces parallel to z
self.assertEqual(8, c.faces("|Z").vertices().size())
# check that the X & Y center of these faces is the same as the box (ie. we haven't selected the wrong face)
faces = c.faces(selectors.ParallelDirSelector(Vector(
(0, 0, 1)))).vals()
for f in faces:
c = f.Center()
self.assertAlmostEqual(c.x, 0.5)
self.assertAlmostEqual(c.y, 0.5)
def testParallelPlaneFaceFilter(self):
c = CQ(makeUnitCube())
#faces parallel to Z axis
self.assertEqual(2, c.faces("|Z").size())
#TODO: provide short names for ParallelDirSelector
self.assertEqual(2, c.faces(selectors.ParallelDirSelector(Vector((0,0,1)))).size()) #same thing as above
self.assertEqual(2, c.faces(selectors.ParallelDirSelector(Vector((0,0,-1)))).size()) #same thing as above
#just for fun, vertices on faces parallel to z
self.assertEqual(8, c.faces("|Z").vertices().size())