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71 lines
1.5 KiB
71 lines
1.5 KiB
package require vtk
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package require vtkinteraction
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# Create the RenderWindow, Renderer and both Actors
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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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# create some points
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#
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vtkMath math
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vtkPoints points
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for {set i 0} {$i<50} {incr i 1} {
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eval points InsertPoint $i [math Random 0 1] [math Random 0 1] [math Random 0 1]
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}
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vtkFloatArray scalars
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for {set i 0} {$i<50} {incr i 1} {
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eval scalars InsertValue $i [math Random 0 1]
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}
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vtkPolyData profile
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profile SetPoints points
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[profile GetPointData] SetScalars scalars
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# triangulate them
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#
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vtkShepardMethod shepard
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shepard SetInput profile
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shepard SetModelBounds 0 1 0 1 .1 .5
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# shepard SetMaximumDistance .1
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shepard SetNullValue 1
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shepard SetSampleDimensions 20 20 20
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shepard Update
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vtkDataSetMapper map
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map SetInputConnection [shepard GetOutputPort]
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vtkActor block
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block SetMapper map
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[block GetProperty] SetColor 1 0 0
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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 block
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ren1 SetBackground 1 1 1
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renWin SetSize 400 400
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ren1 ResetCamera
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set cam1 [ren1 GetActiveCamera]
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$cam1 Azimuth 160
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$cam1 Elevation 30
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$cam1 Zoom 1.5
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ren1 ResetCameraClippingRange
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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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renWin Render
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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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set threshold 15
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