def setUp(self):
# Load plugins
self.assertTrue(self.pluginsLoaded)
# Load a file that has the same scene in both the Maya Dag
# hierarchy and the USD hierarchy.
mayaUtils.openTestScene("parentCmd", "simpleSceneMayaPlusUSD_TRS.ma")
# Create multiple scene items. We will alternate between selecting a
# Maya item and a USD item, 3 items each data model, one item at a
# time, so we select 6 different items, one at a time.
shapeSegment = mayaUtils.createUfePathSegment(
"|mayaUsdProxy1|mayaUsdProxyShape1")
ufeNames = ["cubeXform", "cylinderXform", "sphereXform"]
mayaNames = ["pCube1", "pCylinder1", "pSphere1"]
usdPaths = []
for n in ["/" + o for o in ufeNames]:
usdPaths.append(
ufe.Path([shapeSegment,
usdUtils.createUfePathSegment(n)]))
mayaPaths = []
for n in ["|" + o for o in mayaNames]:
mayaPaths.append(ufe.Path(mayaUtils.createUfePathSegment(n)))
# Create a list of paths by alternating USD objects and Maya objects
# Flatten zipped tuples using list comprehension double loop.
zipped = zip(usdPaths, mayaPaths)
paths = [j for i in zipped for j in i]
# Create items for all paths.
self.items = [ufe.Hierarchy.createItem(p) for p in paths]
# Clear selection to start off
cmds.select(clear=True)
def setUp(self):
# Load plugins
self.assertTrue(self.pluginsLoaded)
# Load a file that has the same scene in both the Maya Dag
# hierarchy and the USD hierarchy.
mayaUtils.openTestScene("parentCmd", "simpleSceneMayaPlusUSD_TRS.ma" )
# Clear selection to start off
cmds.select(clear=True)
def setUp(self):
# Load plugins
self.assertTrue(self.pluginsLoaded)
# Load a file that has the same scene in both the Maya Dag
# hierarchy and the USD hierarchy.
mayaUtils.openTestScene("parentCmd", "simpleSceneMayaPlusUSD_TRS.ma")
# Clear selection to start off
cmds.select(clear=True)
# Save current 'MAYA_USD_MATRIX_XFORM_OP_NAME' env var, if present.
self.mayaUsdMatrixXformOpName = os.environ.get(
'MAYA_USD_MATRIX_XFORM_OP_NAME')
def setUp(self):
# Load plugins
self.assertTrue(self.pluginsLoaded)
# Load a file that has the same scene in both the Maya Dag
# hierarchy and the USD hierarchy.
mayaUtils.openTestScene("parentCmd", "simpleSceneMayaPlusUSD_TRS.ma")
shapeSegment = mayaUtils.createUfePathSegment(
"|mayaUsdProxy1|mayaUsdProxyShape1")
def makeUsdPath(name):
return ufe.Path([shapeSegment, usdUtils.createUfePathSegment(name)])
ufeNames = ["/cubeXform", "/cylinderXform", "/sphereXform"]
self.usdPaths = [ufe.PathString.string(makeUsdPath(name)) for name in ufeNames]
self.mayaPaths = ["pCube1", "pCylinder1", "pSphere1"]
# Clear selection to start off
cmds.select(clear=True)
def testFallback(self):
'''Transformable not handled by standard Transform3d handlers must be
handled by fallback handler.'''
mayaUtils.openTestScene("xformOpFallback", "fallbackTest.ma")
# We have three objects in the scene, one Maya, one USD with a Maya
# transform stack, and one USD which does not match any Transform3d
# handler. This last object is the one to which fallback transform ops
# will be appended.
mayaObj = '|null1|pSphere1'
mayaSpherePath = ufe.PathString.path(mayaObj)
usdSpherePath = ufe.PathString.path(
'|fallbackTest|fallbackTestShape,/parent/sphere1')
usdFallbackSpherePath = ufe.PathString.path(
'|fallbackTest|fallbackTestShape,/sphere1')
mayaSphereItem = ufe.Hierarchy.createItem(mayaSpherePath)
usdSphereItem = ufe.Hierarchy.createItem(usdSpherePath)
usdFallbackSphereItem = ufe.Hierarchy.createItem(usdFallbackSpherePath)
# For scene items with fallback transform ops, the transform3d()
# interface considers the complete object (i.e. all transform ops in
# the stack), which is undesirable when setting and getting fallback
# pivot transform ops. To consider only the fallback transform ops,
# use the editTransform3d() interface. For scene items with only a
# Maya transform stack, editTransform3d() and transform3d() are
# equivalent, so arbitrarily choose editTransform3d().
usdSphere3d = ufe.Transform3d.editTransform3d(
usdSphereItem, ufe.EditTransform3dHint())
usdFallbackSphere3d = ufe.Transform3d.editTransform3d(
usdFallbackSphereItem, ufe.EditTransform3dHint())
sn = ufe.GlobalSelection.get()
sn.clear()
sn.append(mayaSphereItem)
sn.append(usdSphereItem)
sn.append(usdFallbackSphereItem)
# All objects should have the same world transform. We use the Maya
# world transform as the benchmark.
checkWorldSpaceXform(self, [mayaObj, usdSphere3d, usdFallbackSphere3d])
# Count the number of transform ops in the Maya transform stack sphere
# and the fallback transform stack sphere.
spherePrim = mayaUsd.ufe.ufePathToPrim(
ufe.PathString.string(usdSpherePath))
fallbackSpherePrim = mayaUsd.ufe.ufePathToPrim(
ufe.PathString.string(usdFallbackSpherePath))
sphereXformable = UsdGeom.Xformable(spherePrim)
fallbackSphereXformable = UsdGeom.Xformable(fallbackSpherePrim)
sphereOps = sphereXformable.GetOrderedXformOps()
fallbackSphereOps = fallbackSphereXformable.GetOrderedXformOps()
# Both prims have TRS transform ops.
self.assertEqual(len(sphereOps), 3)
self.assertEqual(len(fallbackSphereOps), 3)
# First, translate all objects.
cmds.move(0, 0, 5, r=True, os=True, wd=True)
checkWorldSpaceXform(self, [mayaObj, usdSphere3d, usdFallbackSphere3d])
# The sphere with the Maya transform stack has no additional transform
# op; the sphere with the fallback stack will have an additional
# translate op.
sphereOps = sphereXformable.GetOrderedXformOps()
fallbackSphereOps = fallbackSphereXformable.GetOrderedXformOps()
self.assertEqual(len(sphereOps), 3)
self.assertEqual(len(fallbackSphereOps), 4)
# Rotate
cmds.rotate(40, 0, 0, r=True, os=True, fo=True)
checkWorldSpaceXform(self, [mayaObj, usdSphere3d, usdFallbackSphere3d])
# The sphere with the Maya transform stack has no additional transform
# op; the sphere with the fallback stack will have an additional
# rotate op.
sphereOps = sphereXformable.GetOrderedXformOps()
fallbackSphereOps = fallbackSphereXformable.GetOrderedXformOps()
self.assertEqual(len(sphereOps), 3)
self.assertEqual(len(fallbackSphereOps), 5)
# Scale
cmds.scale(1, 1, 2.0, r=True)
checkWorldSpaceXform(self, [mayaObj, usdSphere3d, usdFallbackSphere3d])
# The sphere with the Maya transform stack has no additional transform
# op; the sphere with the fallback stack will have an additional
# scale op.
sphereOps = sphereXformable.GetOrderedXformOps()
fallbackSphereOps = fallbackSphereXformable.GetOrderedXformOps()
self.assertEqual(len(sphereOps), 3)
self.assertEqual(len(fallbackSphereOps), 6)
# Command to change the pivots on Maya items and UFE items is
# different, so remove Maya item from selection.
sn.remove(mayaSphereItem)
mayaPivots = [
mayaObj + "." + attrName
for attrName in ["scalePivot", "rotatePivot"]
]
cmds.move(0, -2.5, 2.5, *mayaPivots, r=True)
cmds.move(0, -2.5, 2.5, r=True, urp=True, usp=True)
checkPivotsAndCompensations(self, mayaObj, usdSphere3d)
checkPivotsAndCompensations(self, mayaObj, usdFallbackSphere3d)
# Both spheres have 6 additional transform ops: rotate pivot and its
# inverse, scale pivot and its inverse, rotate pivot translate, and
# scale pivot translate.
sphereOps = sphereXformable.GetOrderedXformOps()
fallbackSphereOps = fallbackSphereXformable.GetOrderedXformOps()
self.assertEqual(len(sphereOps), 9)
self.assertEqual(len(fallbackSphereOps), 12)
# Perform an additional pivot move, to ensure that the existing pivot
# values are properly considered.
cmds.move(0, -1, 1, *mayaPivots, r=True)
cmds.move(0, -1, 1, r=True, urp=True, usp=True)
checkPivotsAndCompensations(self, mayaObj, usdSphere3d)
checkPivotsAndCompensations(self, mayaObj, usdFallbackSphere3d)
def __enter__(self):
mayaUtils.openTestScene("parentCmd", self._fileName)
