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
|
package require vtk
# Create the RenderWindow, Renderer and both Actors
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin SetMultiSamples 0
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# create some points
#
vtkMath math
vtkPoints points
for {set i 0} {$i<1000} {incr i 1} {
eval points InsertPoint $i [math Random 0 1] [math Random 0 1] 0.0
}
vtkPolyData profile
profile SetPoints points
# triangulate them
#
vtkDelaunay2D del1
del1 SetInput profile
del1 BoundingTriangulationOn
del1 SetTolerance 0.001
del1 SetAlpha 0.0
del1 Update
vtkShrinkPolyData shrink
shrink SetInputConnection [del1 GetOutputPort]
vtkPolyDataMapper map
map SetInputConnection [shrink GetOutputPort]
vtkActor triangulation
triangulation SetMapper map
[triangulation GetProperty] SetColor 1 0 0
# Add the actors to the renderer, set the background and size
#
ren1 AddActor triangulation
ren1 SetBackground 1 1 1
renWin SetSize 500 500
renWin Render
set cam1 [ren1 GetActiveCamera]
$cam1 Zoom 1.5
renWin Render
# prevent the tk window from showing up then start the event loop
wm withdraw .
|
