def test_AppendFaceGroupAnimated(self):
animatedFaceSet = UsdGeom.FaceSetAPI(sphere, "animated")
# Test appending at default time.
animatedFaceSet.AppendFaceGroup(faceIndices=[0],
time=Usd.TimeCode.Default())
animatedFaceSet.AppendFaceGroup(faceIndices=[1],
time=Usd.TimeCode.Default())
faceCounts = animatedFaceSet.GetFaceCounts(Usd.TimeCode.Default())
self.assertEqual(len(faceCounts), 2)
# Test appending at the same time ordinate.
animatedFaceSet.AppendFaceGroup(faceIndices=[2], time=Usd.TimeCode(1))
animatedFaceSet.AppendFaceGroup(faceIndices=[3], time=Usd.TimeCode(1))
faceCounts = animatedFaceSet.GetFaceCounts(Usd.TimeCode(1))
self.assertEqual(len(faceCounts), 2)
# Test appending at a new time ordinate.
animatedFaceSet.AppendFaceGroup(faceIndices=[4], time=Usd.TimeCode(2))
faceCounts = animatedFaceSet.GetFaceCounts(Usd.TimeCode.Default())
self.assertEqual(len(faceCounts), 2)
faceCounts = animatedFaceSet.GetFaceCounts(Usd.TimeCode(1))
self.assertEqual(len(faceCounts), 2)
faceCounts = animatedFaceSet.GetFaceCounts(Usd.TimeCode(2))
self.assertEqual(len(faceCounts), 1)
def test_ValidCases(self):
validFaceSetNames = ("newLook", "validVaryingFaceCounts")
for faceSetName in validFaceSetNames:
faceSet = UsdGeom.FaceSetAPI(sphere, faceSetName)
(valid, reason) = faceSet.Validate()
self.assertTrue(
valid, "FaceSet '%s' was found to be invalid: %s" %
(faceSetName, reason))
def test_ErrorCases(self):
invalidFaceSetNames = ("badPartition", "missingIndices",
"invalidVaryingFaceCounts", "bindingMismatch")
for faceSetName in invalidFaceSetNames:
faceSet = UsdGeom.FaceSetAPI(sphere, faceSetName)
(valid, reason) = faceSet.Validate()
print("FaceSet named '%s' should be invalid because: %s" % \
(faceSetName, reason))
self.assertFalse(valid)
def test_BasicFaceSetRetrieval(self):
# Don't want to use the UsdShade API here since this is usdGeom.
#lookFaceSet = UsdShade.Material.CreateMaterialFaceSet(sphere);
lookFaceSet = UsdGeom.FaceSetAPI(sphere, "look")
self.assertEqual(lookFaceSet.GetFaceSetName(), "look")
self.assertEqual(lookFaceSet.GetPrim(), sphere)
(valid, reason) = lookFaceSet.Validate()
self.assertTrue(valid, reason)
self.assertTrue(lookFaceSet.GetIsPartition())
fc = lookFaceSet.GetFaceCounts()
self.assertEqual(list(lookFaceSet.GetFaceCounts()), [4, 8, 4])
self.assertEqual(list(lookFaceSet.GetFaceCounts(Usd.TimeCode(1))),
[4, 4, 8])
self.assertEqual(list(lookFaceSet.GetFaceCounts(Usd.TimeCode(2))),
[8, 4, 4])
self.assertEqual(list(lookFaceSet.GetFaceCounts(Usd.TimeCode(3))),
[4, 8, 4])
self.assertEqual(
list(lookFaceSet.GetFaceIndices()),
[12, 13, 14, 15, 0, 1, 2, 3, 8, 9, 10, 11, 4, 5, 6, 7])
self.assertEqual(
list(lookFaceSet.GetFaceIndices(Usd.TimeCode(1))),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15])
self.assertEqual(
list(lookFaceSet.GetFaceIndices(Usd.TimeCode(2))),
[12, 13, 14, 15, 0, 1, 2, 3, 8, 9, 10, 11, 4, 5, 6, 7])
self.assertEqual(
list(lookFaceSet.GetFaceIndices(Usd.TimeCode(3))),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15])
self.assertEqual(lookFaceSet.GetBindingTargets(), [
Sdf.Path("/Sphere/Looks/initialShadingGroup"),
Sdf.Path("/Sphere/Looks/lambert2SG"),
Sdf.Path("/Sphere/Looks/lambert3SG")
])
