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/Applications/ParaView/Testing/Python/TestPythonViewMatplotlibScript.py

@@ -0,0 +1,70 @@
+# Set up a basic scene for rendering.
+from paraview.simple import *
+import os
+import sys
+
+script = """
+import paraview.numpy_support
+
+# Utility to get next color
+def getNextColor():
+  colors = 'bgrcmykw'
+  for c in colors:
+    yield c
+
+# This function must be defined. It is where specific data arrays are requested.
+def setup_data(view):
+  print "Setting up data"
+
+# This function must be defined. It is where the actual rendering commands for matplotlib go.
+def render(view,width,height):
+  from paraview import python_view
+  figure = python_view.matplotlib_figure(width,height)
+
+  ax = figure.add_subplot(111)
+  ax.hold = True
+  numObjects = view.GetNumberOfVisibleDataObjects()
+  print "num visible objects: ", numObjects
+  for i, color in zip(xrange(0,numObjects), getNextColor()):
+    dataObject = view.GetVisibleDataObjectForRendering(i)
+    if dataObject:
+      vtk_points = dataObject.GetPoints()
+      if vtk_points:
+        vtk_points_data = vtk_points.GetData()
+        pts = paraview.numpy_support.vtk_to_numpy(vtk_points_data)
+        x, y = pts[:,0], pts[:,1]
+        ax.scatter(x, y, color=color)
+
+  ax.hold = False
+
+  return python_view.figure_to_image(figure)
+"""
+
+view = CreateView("PythonView")
+view.Script = script
+
+cone = Cone()
+Show(cone, view)
+
+sphere = Sphere()
+Show(sphere, view)
+
+Render()
+
+try:
+  baselineIndex = sys.argv.index('-B')+1
+  baselinePath = sys.argv[baselineIndex]
+except:
+  print "Could not get baseline directory. Test failed."
+
+baseline_file = os.path.join(baselinePath, "TestPythonViewMatplotlibScript.png")
+import vtk.test.Testing
+vtk.test.Testing.VTK_TEMP_DIR = vtk.util.misc.vtkGetTempDir()
+vtk.test.Testing.compareImage(view.GetRenderWindow(), baseline_file, threshold=25)
+vtk.test.Testing.interact()
+
+Delete(cone)
+del cone
+
+Delete(sphere)
+del sphere