def buildPxrUsdInOpArgsFromDownstreamNode(self,
downstreamNode,
graphState,
portIndex=0):
if not hasattr(self, '_argsCookTmp'):
self._argsCookTmp = {}
key = (FnAttribute.GroupBuilder().set('graphState',
graphState.getOpSystemArgs()).set(
'node',
hash(downstreamNode)).set(
'portIndex',
portIndex).build().getHash())
# Set a dynamic entry that's not prefixed with "var:" so it won't show up
# in op system args (or other graph state comparisons other than hash
# uniqueness)
useGraphState = graphState.edit().setDynamicEntry(
kArgsCookTmpKeyToken, FnAttribute.StringAttribute(key)).build()
# trigger a cook with this unique graph state
Nodes3DAPI.CreateClient(downstreamNode,
graphState=useGraphState,
portIndex=portIndex)
if key in self._argsCookTmp:
result = self._argsCookTmp[key]
return result
else:
# TODO, exception?
pass
def getLocationData(self, usdPath):
client = Nodes3DAPI.CreateClient(NodegraphAPI.GetNode('UsdIn'))
return client.cookLocation('/root/world/geo%s' % usdPath)
