# Misc
# AddUsdAttributeToNode
def AddUsdAttributeToNode(nodeName, attrName, typeName, value): """Adds a new Usd attribute to the node with the given name. Args: nodeName: The name of the node for which to add the Usd attribute. attrName: The name of the attribute to be added. typeName: The type of the attribute to be added, specified as a `UsdAttributeType`. value: The value of the attribute to be added. Returns: The index of the newly added attribute in the list of Usd attributes. Raises: ValueError: If an attribute with the given name already exists on the node or an invalid type name is given. """Copied!
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# Example usage:
import multiverse as mv # Create a simple Maya object. cubeXform, _ = cmds.polyCube() cubeShape = cmds.listRelatives(cubeXform, shapes=True)[0] # Add the 'displayColor' primvar on the cube's shape node. mv.AddUsdAttributeToNode( cubeShape, 'primvars:displayColor', mv.UsdAttributeType.COLOR, (0.5, 0.2, 0.1)) # Write the object to a USD file. filePath = '/tmp/my_cube.usda' opts = mv.AssetWriteOptions() opts.writeMeshes = True opts.writeUsdAttributes = True mv.WriteAsset(filePath, cubeXform, opts) # Load the USD file back. compoundShape = mv.CreateUsdCompound(filePath) # Add an attributes override. mvSetNode = cmds.createNode('mvSet') mv.AddAttributeSetOverride(compoundShape, '/pCubeShape1', mvSetNode) # Add a custom USD attribute into the 'mvSet'. mv.AddUsdAttributeToNode( mvSetNode, 'myFloatAttr', mv.UsdAttributeType.FLOAT, 123.456) # Finally write the override with the new custom attribute. opts = mv.OverridesWriteOptions() opts.writeAll = True mv.WriteOverrides('/tmp/my_cube_overrides.usda', compoundShape, opts)Copied!
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# RemoveUsdAttributeFromNode
def RemoveUsdAttributeFromNode(nodeName, attrName): """Removes the Usd attribute with the given name from the given node. Args: nodeName: The name of the node for which to remove the Usd attribute. attrName: The name of the Usd attribute to remove. Raises: ValueError: If no attribute with the given name exists on the node. """Copied!
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# GetExistingUsdAttributeNames
def GetExistingUsdAttributeNames(nodeName): """Queries the names of the existing USD attributes for the given node. Args: nodeName: The name of the node for which to query the names of the existing USD attributes. Returns: A `set` of `str` containing the names of the existing USD attributes for the given node. """Copied!
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# UsdAttributeType
class UsdAttributeType(object): """Type of Usd attributes to be added to a node. Valid constants: INT FLOAT TOKEN STRING BOOL """Copied!
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# RefreshMEOWPanel
def RefreshMEOWPanel(): """Refreshes the content of the MEOW panel. This function does not have any effect in batch/script mode. """Copied!
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← Variants