/usr/share/vtk/Modelling/Tcl/faultLines.tcl 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 61 62 63 64 65 66 67 68 69 70 71 72 73 | # Create a constrained Delaunay triangulation following fault lines. The
# fault lines serve as constraint edges in the Delaunay triangulation.
#
package require vtk
package require vtkinteraction
package require vtktesting
# Generate some points by reading a VTK data file. The data file also has
# edges that represent constraint lines. This is originally from a geologic
# horizon.
#
vtkPolyDataReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/faults.vtk"
# Perform a 2D triangulation with constraint edges.
#
vtkDelaunay2D del
del SetInputConnection [reader GetOutputPort]
del SetSourceConnection [reader GetOutputPort]
del SetTolerance 0.00001
vtkPolyDataNormals normals
normals SetInputConnection [del GetOutputPort]
vtkPolyDataMapper mapMesh
mapMesh SetInputConnection [normals GetOutputPort]
vtkActor meshActor
meshActor SetMapper mapMesh
eval [meshActor GetProperty] SetColor $beige
# Now pretty up the mesh with tubed edges and balls at the vertices.
vtkTubeFilter tuber
tuber SetInputConnection [reader GetOutputPort]
tuber SetRadius 25
vtkPolyDataMapper mapLines
mapLines SetInputConnection [tuber GetOutputPort]
vtkActor linesActor
linesActor SetMapper mapLines
[linesActor GetProperty] SetColor 1 0 0
eval [linesActor GetProperty] SetColor $tomato
# Create graphics objects
# Create the rendering window, renderer, and interactive renderer
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# Add the actors to the renderer, set the background and size
ren1 AddActor linesActor
ren1 AddActor meshActor
ren1 SetBackground 1 1 1
renWin SetSize 350 250
vtkCamera cam1
cam1 SetClippingRange 2580 129041
cam1 SetFocalPoint 461550 6.58e+006 2132
cam1 SetPosition 463960 6.559e+06 16982
cam1 SetViewUp -0.321899 0.522244 0.78971
vtkLight light
light SetPosition 0 0 1
eval light SetFocalPoint 0 0 0
ren1 SetActiveCamera cam1
ren1 AddLight light
# render the image
#
iren AddObserver UserEvent {wm deiconify .vtkInteract}
[ren1 GetActiveCamera] Zoom 1.5
iren LightFollowCameraOff
iren Initialize
# prevent the tk window from showing up then start the event loop
wm withdraw .
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