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46 lines
1.1 KiB
46 lines
1.1 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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# read in a Chaco file
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vtkChacoReader chReader
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chReader SetBaseName "$VTK_DATA_ROOT/Data/vwgt"
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chReader SetGenerateGlobalElementIdArray 1
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chReader SetGenerateGlobalNodeIdArray 1
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chReader SetGenerateEdgeWeightArrays 1
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chReader SetGenerateVertexWeightArrays 1
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vtkGeometryFilter geom
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geom SetInputConnection [chReader GetOutputPort]
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vtkPolyDataMapper mapper
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mapper SetInputConnection [geom GetOutputPort]
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mapper SetColorModeToMapScalars
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mapper SetScalarModeToUsePointFieldData
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mapper SelectColorArray "VertexWeight1"
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mapper SetScalarRange 1 5
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vtkActor actor0
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actor0 SetMapper mapper
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# Create the RenderWindow, Renderer and interactor
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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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# Add the actor to the renderer, set the background and size
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#
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ren1 AddActor actor0
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ren1 SetBackground 0 0 0
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renWin SetSize 300 300
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iren Initialize
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renWin Render
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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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