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/VisualizationAlgorithms/Python/GenerateTextureCoords.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+
+# This example shows how to generate and manipulate texture coordinates.
+# A random cloud of points is generated and then triangulated with
+# vtkDelaunay3D. Since these points do not have texture coordinates,
+# we generate them with vtkTextureMapToCylinder.
+
+import vtk
+from vtk.util.misc import vtkGetDataRoot
+VTK_DATA_ROOT = vtkGetDataRoot()
+
+# Begin by generating 25 random points in the unit sphere.
+sphere = vtk.vtkPointSource()
+sphere.SetNumberOfPoints(25)
+
+# Triangulate the points with vtkDelaunay3D. This generates a convex hull
+# of tetrahedron.
+delny = vtk.vtkDelaunay3D()
+delny.SetInputConnection(sphere.GetOutputPort())
+delny.SetTolerance(0.01)
+
+# The triangulation has texture coordinates generated so we can map
+# a texture onto it.
+tmapper = vtk.vtkTextureMapToCylinder()
+tmapper.SetInputConnection(delny.GetOutputPort())
+tmapper.PreventSeamOn()
+
+# We scale the texture coordinate to get some repeat patterns.
+xform = vtk.vtkTransformTextureCoords()
+xform.SetInputConnection(tmapper.GetOutputPort())
+xform.SetScale(4, 4, 1)
+
+# vtkDataSetMapper internally uses a vtkGeometryFilter to extract the
+# surface from the triangulation. The output (which is vtkPolyData) is
+# then passed to an internal vtkPolyDataMapper which does the
+# rendering.
+mapper = vtk.vtkDataSetMapper()
+mapper.SetInputConnection(xform.GetOutputPort())
+
+# A texture is loaded using an image reader. Textures are simply images.
+# The texture is eventually associated with an actor.
+bmpReader = vtk.vtkBMPReader()
+bmpReader.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp")
+atext = vtk.vtkTexture()
+atext.SetInputConnection(bmpReader.GetOutputPort())
+atext.InterpolateOn()
+triangulation = vtk.vtkActor()
+triangulation.SetMapper(mapper)
+triangulation.SetTexture(atext)
+
+# Create the standard rendering stuff.
+ren = vtk.vtkRenderer()
+renWin = vtk.vtkRenderWindow()
+renWin.AddRenderer(ren)
+iren = vtk.vtkRenderWindowInteractor()
+iren.SetRenderWindow(renWin)
+
+# Add the actors to the renderer, set the background and size
+ren.AddActor(triangulation)
+ren.SetBackground(1, 1, 1)
+renWin.SetSize(300, 300)
+
+iren.Initialize()
+renWin.Render()
+iren.Start()