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#!/usr/bin/env python
from vtk import *
from vtk import *
source = vtkRandomGraphSource()
source.SetNumberOfVertices(25)
source.SetStartWithTree(True)
source.SetIncludeEdgeWeights(True)
view1 = vtkGraphLayoutView()
view1.AddRepresentationFromInputConnection(source.GetOutputPort())
view1.SetColorVertices(True)
view1.SetEdgeColorArrayName("edge weight")
view1.SetColorEdges(True)
view1.SetLayoutStrategyToSimple2D()
view2 = vtkGraphLayoutView()
view2.AddRepresentationFromInputConnection(source.GetOutputPort())
view2.SetColorVertices(True)
view2.SetEdgeColorArrayName("edge weight")
view2.SetColorEdges(True)
view2.SetLayoutStrategyToTree()
# Create a annotation link and set both views to use it
annotationLink = vtkAnnotationLink()
view1.GetRepresentation(0).SetAnnotationLink(annotationLink)
view2.GetRepresentation(0).SetAnnotationLink(annotationLink)
updater = vtkViewUpdater()
updater.AddAnnotationLink(annotationLink)
updater.AddView(view1)
updater.AddView(view2)
theme = vtkViewTheme.CreateNeonTheme()
view1.ApplyViewTheme(theme)
view2.ApplyViewTheme(theme)
theme.FastDelete()
view1.GetRenderWindow().SetSize(600, 600)
view1.ResetCamera()
view1.Render()
view2.GetRenderWindow().SetSize(600, 600)
view2.ResetCamera()
view2.Render()
view1.GetInteractor().Start()
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