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ParaView-5.0.1: Added the source-tree to ThirdParty-dev and patched as described in the README file

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Resolves bug-report http://bugs.openfoam.org/view.php?id=2098
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Henry Weller
2016-05-30 21:20:56 +01:00
parent 1cce60aa78
commit eba760a6d6
24640 changed files with 6366069 additions and 0 deletions
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ParaView-5.0.1/VTK/Examples/VisualizationAlgorithms/Python/spikeF.py Executable file
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#!/usr/bin/env python
# This example demonstrates the use of glyphing. We also use a mask filter
# to select a subset of points to glyph.
import vtk
from vtk.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
# Read a data file. This originally was a Cyberware laser digitizer scan
# of Fran J.'s face. Surface normals are generated based on local geometry
# (i.e., the polygon normals surrounding eash point are averaged). We flip
# the normals because we want them to point out from Fran's face.
fran = vtk.vtkPolyDataReader()
fran.SetFileName(VTK_DATA_ROOT + "/Data/fran_cut.vtk")
normals = vtk.vtkPolyDataNormals()
normals.SetInputConnection(fran.GetOutputPort())
normals.FlipNormalsOn()
franMapper = vtk.vtkPolyDataMapper()
franMapper.SetInputConnection(normals.GetOutputPort())
franActor = vtk.vtkActor()
franActor.SetMapper(franMapper)
franActor.GetProperty().SetColor(1.0, 0.49, 0.25)
# We subsample the dataset because we want to glyph just a subset of
# the points. Otherwise the display is cluttered and cannot be easily
# read. The RandonModeOn and SetOnRatio combine to random select one out
# of every 10 points in the dataset.
ptMask = vtk.vtkMaskPoints()
ptMask.SetInputConnection(normals.GetOutputPort())
ptMask.SetOnRatio(10)
ptMask.RandomModeOn()
# In this case we are using a cone as a glyph. We transform the cone so
# its base is at 0,0,0. This is the point where glyph rotation occurs.
cone = vtk.vtkConeSource()
cone.SetResolution(6)
transform = vtk.vtkTransform()
transform.Translate(0.5, 0.0, 0.0)
transformF = vtk.vtkTransformPolyDataFilter()
transformF.SetInputConnection(cone.GetOutputPort())
transformF.SetTransform(transform)
# vtkGlyph3D takes two inputs: the input point set (SetInput) which can be
# any vtkDataSet; and the glyph (SetSource) which must be a vtkPolyData.
# We are interested in orienting the glyphs by the surface normals that
# we previosuly generated.
glyph = vtk.vtkGlyph3D()
glyph.SetInputConnection(ptMask.GetOutputPort())
glyph.SetSourceConnection(transformF.GetOutputPort())
glyph.SetVectorModeToUseNormal()
glyph.SetScaleModeToScaleByVector()
glyph.SetScaleFactor(0.004)
spikeMapper = vtk.vtkPolyDataMapper()
spikeMapper.SetInputConnection(glyph.GetOutputPort())
spikeActor = vtk.vtkActor()
spikeActor.SetMapper(spikeMapper)
spikeActor.GetProperty().SetColor(0.0, 0.79, 0.34)
# 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(franActor)
ren.AddActor(spikeActor)
renWin.SetSize(500, 500)
ren.SetBackground(0.1, 0.2, 0.4)
# Set a nice camera position.
ren.ResetCamera()
cam1 = ren.GetActiveCamera()
cam1.Zoom(1.4)
cam1.Azimuth(110)
iren.Initialize()
renWin.Render()
iren.Start()