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/VolumeRendering/Python/SimpleTextureMap2D.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+
+# This is a simple volume rendering example that uses a
+# vtkVolumeTextureMapper2D mapper
+
+import vtk
+from vtk.util.misc import vtkGetDataRoot
+VTK_DATA_ROOT = vtkGetDataRoot()
+
+# Create the standard renderer, render window and interactor
+ren = vtk.vtkRenderer()
+renWin = vtk.vtkRenderWindow()
+renWin.AddRenderer(ren)
+iren = vtk.vtkRenderWindowInteractor()
+iren.SetRenderWindow(renWin)
+
+# Create the reader for the data
+reader = vtk.vtkStructuredPointsReader()
+reader.SetFileName(VTK_DATA_ROOT + "/Data/ironProt.vtk")
+
+# Create transfer mapping scalar value to opacity
+opacityTransferFunction = vtk.vtkPiecewiseFunction()
+opacityTransferFunction.AddPoint(20, 0.0)
+opacityTransferFunction.AddPoint(255, 0.2)
+
+# Create transfer mapping scalar value to color
+colorTransferFunction = vtk.vtkColorTransferFunction()
+colorTransferFunction.AddRGBPoint(0.0, 0.0, 0.0, 0.0)
+colorTransferFunction.AddRGBPoint(64.0, 1.0, 0.0, 0.0)
+colorTransferFunction.AddRGBPoint(128.0, 0.0, 0.0, 1.0)
+colorTransferFunction.AddRGBPoint(192.0, 0.0, 1.0, 0.0)
+colorTransferFunction.AddRGBPoint(255.0, 0.0, 0.2, 0.0)
+
+# The property describes how the data will look
+volumeProperty = vtk.vtkVolumeProperty()
+volumeProperty.SetColor(colorTransferFunction)
+volumeProperty.SetScalarOpacity(opacityTransferFunction)
+
+# The mapper knows how to render the data
+volumeMapper = vtk.vtkVolumeTextureMapper2D()
+volumeMapper.SetInputConnection(reader.GetOutputPort())
+
+# The volume holds the mapper and the property and can be used to
+# position/orient the volume
+volume = vtk.vtkVolume()
+volume.SetMapper(volumeMapper)
+volume.SetProperty(volumeProperty)
+
+ren.AddVolume(volume)
+renWin.Render()
+
+def CheckAbort(obj, event):
+    if obj.GetEventPending() != 0:
+        obj.SetAbortRender(1)
+
+renWin.AddObserver("AbortCheckEvent", CheckAbort)
+
+iren.Initialize()
+renWin.Render()
+iren.Start()