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#!/usr/bin/env python
from vtk import *
source = vtkRandomGraphSource()
source.SetIncludeEdgeWeights(True)
degree = vtkVertexDegree()
degree.AddInputConnection(source.GetOutputPort())
view = vtkGraphLayoutView()
view.AddRepresentationFromInputConnection(degree.GetOutputPort())
view.SetVertexLabelArrayName("VertexDegree")
view.SetVertexLabelVisibility(True)
view.SetVertexColorArrayName("VertexDegree")
view.SetColorVertices(True)
view.SetEdgeLabelArrayName("edge weight")
view.SetEdgeLabelVisibility(True)
view.SetEdgeColorArrayName("edge weight")
view.SetColorEdges(True)
view.SetLayoutStrategyToSimple2D()
theme = vtkViewTheme.CreateMellowTheme()
theme.SetLineWidth(4)
view.ApplyViewTheme(theme)
theme.FastDelete()
view.GetRenderWindow().SetSize(600, 600)
view.ResetCamera()
view.Render()
view.GetInteractor().Start()
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