/usr/share/vtk/Infovis/Python/tree1.py is in vtk-examples 5.8.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | """
This file demonstrates the creation of a tree using the
Python interface to VTK.
"""
from vtk import *
#------------------------------------------------------------------------------
# Script Entry Point
#------------------------------------------------------------------------------
if __name__ == "__main__":
print "vtkTree Example 1: Building a tree from scratch."
# Create an empty graph
G = vtkMutableDirectedGraph()
vertID = vtkIntArray()
vertID.SetName("ID")
G.GetVertexData().AddArray( vertID )
# Add a root vertex
root = G.AddVertex()
vertID.InsertNextValue(root)
# Add some vertices
for i in range(3):
v = G.AddChild(root)
vertID.InsertNextValue(v)
for j in range(2):
u = G.AddChild(v)
vertID.InsertNextValue(u)
T = vtkTree()
T.ShallowCopy(G)
#----------------------------------------------------------
# Draw the graph in a window
view = vtkGraphLayoutView()
view.AddRepresentationFromInputConnection(G.GetProducerPort())
view.SetVertexLabelArrayName("ID")
view.SetVertexLabelVisibility(True)
view.SetLayoutStrategyToTree()
view.SetVertexLabelFontSize(20)
theme = vtkViewTheme.CreateMellowTheme()
theme.SetLineWidth(4)
theme.SetPointSize(10)
theme.SetCellOpacity(1)
view.ApplyViewTheme(theme)
theme.FastDelete()
view.GetRenderWindow().SetSize(600, 600)
view.ResetCamera()
view.Render()
view.GetInteractor().Start()
print "vtkTree Example 1: Finished."
|