mirror of
https://github.com/OpenFOAM/ThirdParty-6.git
synced 2025-12-08 06:57:43 +00:00
60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
#!/usr/bin/env python
|
|
from vtk import *
|
|
|
|
source = vtkRandomGraphSource()
|
|
source.DirectedOff()
|
|
source.SetNumberOfVertices(10)
|
|
source.SetEdgeProbability(0.22)
|
|
source.SetUseEdgeProbability(True)
|
|
source.AllowParallelEdgesOn()
|
|
source.SetStartWithTree(True)
|
|
|
|
# Connect to the centrality filter.
|
|
centrality = vtkBoostBrandesCentrality ()
|
|
centrality.SetInputConnection(source.GetOutputPort())
|
|
|
|
# Find the minimal spanning tree
|
|
mstTreeSelection = vtkBoostKruskalMinimumSpanningTree()
|
|
mstTreeSelection.SetInputConnection(centrality.GetOutputPort())
|
|
mstTreeSelection.SetEdgeWeightArrayName("centrality")
|
|
mstTreeSelection.NegateEdgeWeightsOn()
|
|
mstTreeSelection.Update()
|
|
|
|
# Create a graph layout view
|
|
view = vtkGraphLayoutView()
|
|
view.AddRepresentationFromInputConnection(centrality.GetOutputPort())
|
|
view.SetVertexLabelArrayName("centrality")
|
|
view.SetVertexLabelVisibility(True)
|
|
view.SetVertexColorArrayName("centrality")
|
|
view.SetColorVertices(True)
|
|
view.SetEdgeLabelArrayName("centrality")
|
|
view.SetEdgeLabelVisibility(True)
|
|
view.SetEdgeColorArrayName("centrality")
|
|
view.SetColorEdges(True)
|
|
view.SetLayoutStrategyToSimple2D()
|
|
view.SetVertexLabelFontSize(14)
|
|
view.SetEdgeLabelFontSize(12)
|
|
|
|
# Make sure the representation is using a pedigree id selection
|
|
view.GetRepresentation(0).SetSelectionType(2)
|
|
|
|
# Set the selection to be the MST
|
|
view.GetRepresentation(0).GetAnnotationLink().SetCurrentSelection(mstTreeSelection.GetOutput())
|
|
|
|
# Set the theme on the view
|
|
theme = vtkViewTheme.CreateMellowTheme()
|
|
theme.SetLineWidth(5)
|
|
theme.SetPointSize(10)
|
|
theme.SetCellOpacity(1)
|
|
theme.SetSelectedCellColor(1,0,1)
|
|
view.ApplyViewTheme(theme)
|
|
theme.FastDelete()
|
|
|
|
|
|
view.GetRenderWindow().SetSize(600, 600)
|
|
view.ResetCamera()
|
|
view.Render()
|
|
|
|
view.GetInteractor().Start()
|
|
|