ParaView-5.0.1: Added the source-tree to ThirdParty-dev and patched as described in the README file

Resolves bug-report http://bugs.openfoam.org/view.php?id=2098

ParaView-5.0.1/VTK/Examples/Infovis/Python/boost_mst.py

@@ -0,0 +1,59 @@
+#!/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()
+