def test_XformOpOperators(self):
s = Usd.Stage.CreateInMemory()
rootXform = UsdGeom.Xform.Define(s, "/Root")
translateOp = rootXform.AddTranslateOp()
scaleOp = rootXform.AddScaleOp()
self.assertFalse(UsdGeom.XformOp())
self.assertTrue(translateOp)
self.assertTrue(scaleOp)
xformOps = rootXform.GetOrderedXformOps()
self.assertEqual(xformOps, [translateOp, scaleOp])
xformOps.remove(translateOp)
self.assertEqual(xformOps, [scaleOp])
def test_InvalidXformOps(self):
s = Usd.Stage.CreateInMemory()
p = s.DefinePrim('/World', 'Xform')
x = UsdGeom.Xformable(p)
# Create an attribute that is not in the xformOp namespace.
attr1 = p.CreateAttribute("myXformOp:transform", Sdf.ValueTypeNames.Matrix4d)
self._TestInvalidXformOp(attr1)
# Create an xform op with an invalid optype.
attr2 = p.CreateAttribute("xformOp:translateXYZ", Sdf.ValueTypeNames.Double3)
self._TestInvalidXformOp(attr2)
# Create an xform op with opType=transform and typeName=Matrix4f.
with self.assertRaises(RuntimeError):
xformOp = x.AddTransformOp(precision=UsdGeom.XformOp.PrecisionFloat)
# Test Validity of XformOp with no attr
xformOp = UsdGeom.XformOp(Usd.Attribute())
self.assertFalse(xformOp.IsDefined())
self.assertFalse(bool(xformOp))
def checkParentDone():
# The xform now has the capsule as its child.
xformChildren = xformHier.children()
self.assertEqual(len(xformChildren), 1)
self.assertIn('Capsule1', childrenNames(xformChildren))
# Confirm that the capsule has not moved in world space. Must
# re-create the prim and its scene item after path change.
capsulePath = ufe.Path([
proxyShapePathSegment,
usdUtils.createUfePathSegment('/Xform1/Capsule1')
])
capsulePrim = mayaUsd.ufe.ufePathToPrim(
ufe.PathString.string(capsulePath))
capsuleXformable = UsdGeom.Xformable(capsulePrim)
capsuleItem = ufe.Hierarchy.createItem(capsulePath)
capsuleT3d = ufe.Transform3d.transform3d(capsuleItem)
capsuleWorld = capsuleT3d.inclusiveMatrix()
assertVectorAlmostEqual(self, capsuleWorldPre,
matrixToList(capsuleWorld))
# No change in the capsule's transform ops.
self.assertEqual(capsuleXformable.GetXformOpOrderAttr().Get(),
Vt.TokenArray(matrixOps))
# Matrix ops that were not targeted did not change.
for checkMatrixOp in matrixOps:
if checkMatrixOp == matrixOp:
continue
op = UsdGeom.XformOp(
capsulePrim.GetAttribute(checkMatrixOp))
self.assertEqual(
op.GetOpTransform(
mayaUsd.ufe.getTime(
ufe.PathString.string(capsulePath))),
matrixValues[checkMatrixOp])
def _TestInvalidXformOp(self, attr):
with self.assertRaises(RuntimeError):
op = UsdGeom.XformOp(attr, isInverseOp=False)
