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/Annotation/Python/textOrigin.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+# This example demonstrates the use of vtkVectorText and vtkFollower.
+# vtkVectorText is used to create 3D annotation.  vtkFollower is used to
+# position the 3D text and to ensure that the text always faces the
+# renderer's active camera (i.e., the text is always readable).
+
+import vtk
+
+# Create the axes and the associated mapper and actor.
+axes = vtk.vtkAxes()
+axes.SetOrigin(0, 0, 0)
+axesMapper = vtk.vtkPolyDataMapper()
+axesMapper.SetInputConnection(axes.GetOutputPort())
+axesActor = vtk.vtkActor()
+axesActor.SetMapper(axesMapper)
+
+# Create the 3D text and the associated mapper and follower (a type of
+# actor).  Position the text so it is displayed over the origin of the
+# axes.
+atext = vtk.vtkVectorText()
+atext.SetText("Origin")
+textMapper = vtk.vtkPolyDataMapper()
+textMapper.SetInputConnection(atext.GetOutputPort())
+textActor = vtk.vtkFollower()
+textActor.SetMapper(textMapper)
+textActor.SetScale(0.2, 0.2, 0.2)
+textActor.AddPosition(0, -0.1, 0)
+
+# Create the Renderer, RenderWindow, and RenderWindowInteractor.
+ren = vtk.vtkRenderer()
+renWin = vtk.vtkRenderWindow()
+renWin.AddRenderer(ren)
+iren = vtk.vtkRenderWindowInteractor()
+iren.SetRenderWindow(renWin)
+
+# Add the actors to the renderer.
+ren.AddActor(axesActor)
+ren.AddActor(textActor)
+
+# Zoom in closer.
+ren.ResetCamera()
+ren.GetActiveCamera().Zoom(1.6)
+
+# Reset the clipping range of the camera; set the camera of the
+# follower; render.
+ren.ResetCameraClippingRange()
+textActor.SetCamera(ren.GetActiveCamera())
+
+iren.Initialize()
+renWin.Render()
+iren.Start()