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68 lines
1.7 KiB
68 lines
1.7 KiB
# This script shows how to manually create a vtkPolyData with a
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# triangle strip.
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package require vtk
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package require vtkinteraction
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# First we'll create some points.
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#
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vtkPoints points
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points InsertPoint 0 0.0 0.0 0.0
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points InsertPoint 1 0.0 1.0 0.0
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points InsertPoint 2 1.0 0.0 0.0
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points InsertPoint 3 1.0 1.0 0.0
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points InsertPoint 4 2.0 0.0 0.0
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points InsertPoint 5 2.0 1.0 0.0
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points InsertPoint 6 3.0 0.0 0.0
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points InsertPoint 7 3.0 1.0 0.0
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# The cell array can be thought of as a connectivity list.
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# Here we specify the number of points followed by that number of
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# point ids. This can be repeated as many times as there are
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# primitives in the list.
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#
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vtkCellArray strips
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strips InsertNextCell 8;#number of points
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strips InsertCellPoint 0
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strips InsertCellPoint 1
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strips InsertCellPoint 2
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strips InsertCellPoint 3
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strips InsertCellPoint 4
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strips InsertCellPoint 5
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strips InsertCellPoint 6
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strips InsertCellPoint 7
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vtkPolyData profile
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profile SetPoints points
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profile SetStrips strips
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vtkPolyDataMapper map
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map SetInput profile
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vtkActor strip
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strip SetMapper map
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[strip GetProperty] SetColor 0.3800 0.7000 0.1600
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# Create the usual rendering stuff.
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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 actors to the renderer, set the background and size
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#
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ren1 AddActor strip
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ren1 SetBackground 1 1 1
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renWin SetSize 250 250
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renWin Render
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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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