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/circular_vertices.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+"""
+This file demonstrates drawing graphs using circular vertices via
+vtkRenderedGraphRepresentation.
+"""
+from vtk import *
+
+#------------------------------------------------------------------------------
+# Script Entry Point
+#------------------------------------------------------------------------------
+if __name__ == "__main__":
+
+    # Create a random graph
+    source = vtkRandomGraphSource()
+    source.SetNumberOfVertices(15)
+    source.SetStartWithTree(True)
+
+    #----------------------------------------------------------
+    # Draw the graph in a window
+    theme = vtkViewTheme.CreateMellowTheme()
+    theme.SetLineWidth(4)
+    theme.SetPointSize(15)
+    theme.SetCellOpacity(1)
+    theme.FastDelete()
+
+    # Rendered graph representation to make vertices circles
+    rep = vtkRenderedGraphRepresentation()
+    rep.SetInputConnection(0, source.GetOutputPort())
+
+    # vtkGraphToGlyph::CIRCLE == 7
+    rep.SetGlyphType(7)
+
+    # View containing the merged graph
+    view = vtkGraphLayoutView()
+    view.SetRepresentation( rep )
+    view.SetVertexLabelArrayName("vertex id")
+    view.SetVertexLabelVisibility(True)
+    view.SetLayoutStrategyToSimple2D()
+    view.ApplyViewTheme(theme)
+
+    view.GetRenderWindow().SetSize(600, 600)
+    view.ResetCamera()
+    view.Render()
+
+    view.GetInteractor().Start()