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79 lines
1.7 KiB
79 lines
1.7 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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package require vtktesting
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# Generate implicit model of a sphere
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#
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vtkRenderer ren1
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vtkRenderWindow renWin
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renWin AddRenderer ren1
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vtkRenderWindowInteractor iren
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iren SetRenderWindow renWin
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# pipeline stuff
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#
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vtkSphereSource sphere
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sphere SetPhiResolution 150
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sphere SetThetaResolution 150
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vtkPoints pts
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pts InsertNextPoint 0 0 0
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pts InsertNextPoint 1 0 0
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pts InsertNextPoint 0 1 0
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pts InsertNextPoint 0 0 1
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vtkCellArray tris
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tris InsertNextCell 3
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tris InsertCellPoint 0
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tris InsertCellPoint 1
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tris InsertCellPoint 2
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tris InsertNextCell 3
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tris InsertCellPoint 0
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tris InsertCellPoint 2
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tris InsertCellPoint 3
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tris InsertNextCell 3
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tris InsertCellPoint 0
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tris InsertCellPoint 3
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tris InsertCellPoint 1
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tris InsertNextCell 3
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tris InsertCellPoint 1
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tris InsertCellPoint 2
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tris InsertCellPoint 3
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vtkPolyData polys
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polys SetPoints pts
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polys SetPolys tris
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vtkQuadricClustering mesh
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mesh SetInputConnection [sphere GetOutputPort]
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mesh SetNumberOfXDivisions 10
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mesh SetNumberOfYDivisions 10
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mesh SetNumberOfZDivisions 10
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vtkPolyDataMapper mapper
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mapper SetInputConnection [mesh GetOutputPort]
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vtkActor actor
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actor SetMapper mapper
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eval [actor GetProperty] SetDiffuseColor $tomato
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[actor GetProperty] SetDiffuse .8
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[actor GetProperty] SetSpecular .4
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[actor GetProperty] SetSpecularPower 30
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# Add the actors to the renderer, set the background and size
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#
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ren1 AddActor actor
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ren1 SetBackground 1 1 1
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renWin SetSize 300 300
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iren Initialize
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# render the image
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#
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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# prevent the tk window from showing up then start the event loop
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wm withdraw .
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