ConstructGraph
VTKExamples/Python/Graphs/ConstructGraph
This example shows how to construct a simple graph.
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Code¶
ConstructGraph.py
#!/usr/bin/env python import vtk def main(): g = vtk.vtkMutableUndirectedGraph() v1 = g.AddVertex() v2 = g.AddVertex() g.AddEdge ( v1, v2 ) print ('Number of vertices:', g.GetNumberOfVertices()) print ("Number of edges:", g.GetNumberOfEdges()) g.AddEdge ( v1, v2 ) print ('Number of vertices:', g.GetNumberOfVertices()) print ('Number of edges:', g.GetNumberOfEdges()) graphLayoutView = vtk.vtkGraphLayoutView() graphLayoutView.AddRepresentationFromInput(g) graphLayoutView.ResetCamera() graphLayoutView.Render() graphLayoutView.GetInteractor().Start() if __name__ == '__main__': main()