# Sample code to access the exposed ports on the compound nodes of a graph
import win32com.client
from win32com.client import constants
xsi = Application
# Recursive function for traversing a node graph
def TraverseNodeGraph( in_node, level ):
indent = level * '.'
if in_node.IsClassOf( constants.siICECompoundNodeID ):
# Log the visited compound node name
xsi.LogMessage( indent + in_node.Name )
# Get the exposed port info for the compound node
ports = in_node.ExposedPorts
# The exposed ports
exposedPorts = ports[0]
exposedPortsCount = exposedPorts.Count
# The compound node ports
nodePorts = ports[1]
for i in range(exposedPortsCount):
xsi.LogMessage( indent + "Node port " + str(i) + ": " + str(nodePorts[i]) )
xsi.LogMessage( indent + "Exposed port " + str(i) + ": " + str(exposedPorts[i]) )
nodeCount = 0
nodes = ()
if in_node.IsClassOf( constants.siICENodeContainerID ):
# The input node is a ICENodeContainer, let's get its inner compound nodes
nodes = in_node.CompoundNodes
nodeCount = nodes.Count
# Recursively traverse the graph
for i in range(nodeCount):
TraverseNodeGraph( nodes[i], level+2 )
# Create a sample twist deformer graph first
xsi.NewScene("", "")
xsi.CreatePrim( "Cube", "MeshSurface" )
xsi.SetValue( "cube.polymsh.geom.subdivu", 15 )
xsi.SetValue( "cube.polymsh.geom.subdivv", 14 )
xsi.ApplyOp( "ICETree", "cube", None, None, None, 0 )
xsi.AddICENode( "GetDataNode", "cube.polymsh.ICETree" )
xsi.SetValue( "cube.polymsh.ICETree.SceneReferenceNode.Reference", "cube.polymsh.PointPosition" )
xsi.AddICENode( "RotateVectorNode", "cube.polymsh.ICETree" )
xsi.AddICENode( "3DVectorToScalarNode", "cube.polymsh.ICETree" )
xsi.AddICENode( "SetData", "cube.polymsh.ICETree" )
xsi.SetValue( "cube.polymsh.ICETree.SetData.PredefinedAttributeName", "PointPosition" )
xsi.AddAttributeToSetDataICENode( "cube.polymsh.ICETree.SetData", "PointPosition", constants.siComponentDataTypeVector3, constants.siComponentDataContextComponent0D, constants.siComponentDataStructureSingle )
xsi.ConnectICENodes( "cube.polymsh.ICETree.port1", "cube.polymsh.ICETree.SetData.set" )
xsi.ConnectICENodes( "cube.polymsh.ICETree.RotateVectorNode.vector", "cube.polymsh.ICETree.SceneReferenceNode.value" )
xsi.ConnectICENodes( "cube.polymsh.ICETree.SetData.pointposition", "cube.polymsh.ICETree.RotateVectorNode.result" )
xsi.ConnectICENodes( "cube.polymsh.ICETree.3DVectorToScalarNode.vector", "cube.polymsh.ICETree.SceneReferenceNode.value" )
xsi.AddICENode( "MultiplyNode", "cube.polymsh.ICETree" )
xsi.ConnectICENodes( "cube.polymsh.ICETree.MultiplyNode.value1", "cube.polymsh.ICETree.3DVectorToScalarNode.y" )
xsi.AddICENode( "ScalarToRotationNode", "cube.polymsh.ICETree" )
xsi.ConnectICENodes( "cube.polymsh.ICETree.ScalarToRotationNode.angle", "cube.polymsh.ICETree.MultiplyNode.result" )
xsi.ConnectICENodes( "cube.polymsh.ICETree.RotateVectorNode.rotation", "cube.polymsh.ICETree.ScalarToRotationNode.rotation" )
xsi.SetValue( "cube.polymsh.ICETree.ScalarToRotationNode.y", 1 )
xsi.SetValue( "cube.polymsh.ICETree.ScalarToRotationNode.x", 0 )
xsi.SetValue( "cube.polymsh.ICETree.MultiplyNode.value2", 20 )
xsi.CreateICECompoundNode("cube.polymsh.ICETree.3DVectorToScalarNode,cube.polymsh.ICETree.MultiplyNode,cube.polymsh.ICETree.ScalarToRotationNode", "Compound1")
xsi.CreateICECompoundNode("cube.polymsh.ICETree.Compound1.ScalarToRotationNode,cube.polymsh.ICETree.Compound1.MultiplyNode", "Compound2")
xsi.CreateICECompoundNode("cube.polymsh.ICETree.Compound1", "CompoundTop")
# Get the ICETree off the cube primitive and start iterating the graph
cube = xsi.Selection(0)
cubeICETree = cube.ActivePrimitive.ICETrees[0]
level = 0
TraverseNodeGraph( cubeICETree, level ) |