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/Modelling/Python/reconstructSurface.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+
+# This example shows how to construct a surface from a point cloud.
+# First we generate a volume using the
+# vtkSurfaceReconstructionFilter. The volume values are a distance
+# field. Once this is generated, the volume is countoured at a
+# distance value of 0.0.
+
+import os
+import string
+import vtk
+from vtk.util.misc import vtkGetDataRoot
+VTK_DATA_ROOT = vtkGetDataRoot()
+
+# Read some points. Use a programmable filter to read them.
+pointSource = vtk.vtkProgrammableSource()
+
+def readPoints():
+    output = pointSource.GetPolyDataOutput()
+    points = vtk.vtkPoints()
+    output.SetPoints(points)
+
+    file = open(os.path.normpath(os.path.join(VTK_DATA_ROOT, "Data/cactus.3337.pts")))
+
+    line = file.readline()
+    while line:
+        data = line.split()
+        if data and data[0] == 'p':
+            x, y, z = float(data[1]), float(data[2]), float(data[3])
+            points.InsertNextPoint(x, y, z)
+        line = file.readline()
+
+pointSource.SetExecuteMethod(readPoints)
+
+
+# Construct the surface and create isosurface.
+surf = vtk.vtkSurfaceReconstructionFilter()
+surf.SetInputConnection(pointSource.GetOutputPort())
+
+cf = vtk.vtkContourFilter()
+cf.SetInputConnection(surf.GetOutputPort())
+cf.SetValue(0, 0.0)
+
+# Sometimes the contouring algorithm can create a volume whose gradient
+# vector and ordering of polygon (using the right hand rule) are
+# inconsistent. vtkReverseSense cures this problem.
+reverse = vtk.vtkReverseSense()
+reverse.SetInputConnection(cf.GetOutputPort())
+reverse.ReverseCellsOn()
+reverse.ReverseNormalsOn()
+
+map = vtk.vtkPolyDataMapper()
+map.SetInputConnection(reverse.GetOutputPort())
+map.ScalarVisibilityOff()
+
+surfaceActor = vtk.vtkActor()
+surfaceActor.SetMapper(map)
+surfaceActor.GetProperty().SetDiffuseColor(1.0000, 0.3882, 0.2784)
+surfaceActor.GetProperty().SetSpecularColor(1, 1, 1)
+surfaceActor.GetProperty().SetSpecular(.4)
+surfaceActor.GetProperty().SetSpecularPower(50)
+
+# Create the RenderWindow, Renderer and both Actors
+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(surfaceActor)
+ren.SetBackground(1, 1, 1)
+renWin.SetSize(400, 400)
+ren.GetActiveCamera().SetFocalPoint(0, 0, 0)
+ren.GetActiveCamera().SetPosition(1, 0, 0)
+ren.GetActiveCamera().SetViewUp(0, 0, 1)
+ren.ResetCamera()
+ren.GetActiveCamera().Azimuth(20)
+ren.GetActiveCamera().Elevation(30)
+ren.GetActiveCamera().Dolly(1.2)
+ren.ResetCameraClippingRange()
+
+iren.Initialize()
+renWin.Render()
+iren.Start()