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
|
#!/usr/bin/env python
from vtkmodules.vtkFiltersCore import vtkGenerateIds
from vtkmodules.vtkFiltersModeling import vtkAdaptiveSubdivisionFilter
from vtkmodules.vtkFiltersSources import vtkSphereSource
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkProperty,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer,
)
import vtkmodules.vtkInteractionStyle
import vtkmodules.vtkRenderingFreeType
import vtkmodules.vtkRenderingOpenGL2
from vtkmodules.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
# Create a pipeline: some skinny-ass triangles
sphere = vtkSphereSource()
sphere.SetThetaResolution(6)
sphere.SetPhiResolution(24)
ids = vtkGenerateIds()
ids.SetInputConnection(sphere.GetOutputPort())
adapt = vtkAdaptiveSubdivisionFilter()
adapt.SetInputConnection(ids.GetOutputPort())
adapt.SetMaximumEdgeLength(0.1)
#adapt.SetMaximumTriangleArea(0.01)
#adapt.SetMaximumNumberOfPasses(1)
adapt.Update()
mapper = vtkPolyDataMapper()
mapper.SetInputConnection(adapt.GetOutputPort())
mapper.SetScalarModeToUseCellFieldData()
mapper.SelectColorArray("vtkCellIds")
mapper.SetScalarRange(adapt.GetOutput().GetCellData().GetScalars().GetRange())
edgeProp = vtkProperty()
edgeProp.EdgeVisibilityOn()
edgeProp.SetEdgeColor(0,0,0)
actor = vtkActor()
actor.SetMapper(mapper)
actor.SetProperty(edgeProp)
# Graphics stuff
ren1 = vtkRenderer()
renWin = vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Add the actors to the renderer, set the background and size
#
ren1.AddActor(actor)
ren1.SetBackground(0,0,0)
ren1.GetActiveCamera().SetFocalPoint(0,0,0)
ren1.GetActiveCamera().SetPosition(0,0,1)
ren1.ResetCamera()
ren1.GetActiveCamera().Zoom(1.5)
renWin.SetSize(300,300)
renWin.Render()
#iren.Start()
|
