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package require vtk
package require vtkinteraction
# This script uses a vtkTkRenderWidget to create a
# Tk widget that is associated with a vtkRenderWindow
# Create the GUI: a render widget and a quit button
wm withdraw .
toplevel .top
frame .top.f1
vtkTkRenderWidget .top.f1.r1 -width 400 -height 400
button .top.btn -text Quit -command exit
pack .top.f1.r1 -side left -padx 3 -pady 3 -fill both -expand t
pack .top.f1 -fill both -expand t
pack .top.btn -fill x
# Get the render window associated with the widget
set renWin [.top.f1.r1 GetRenderWindow]
vtkRenderer ren1
$renWin AddRenderer ren1
# bind the mouse events
::vtk::bind_tk_render_widget .top.f1.r1
# create a Cone source and actor
vtkConeSource cone
vtkPolyDataMapper coneMapper
coneMapper SetInputConnection [cone GetOutputPort]
coneMapper GlobalImmediateModeRenderingOn
vtkLODActor coneActor
coneActor SetMapper coneMapper
# Add the actor to the renderer and set the background
ren1 AddViewProp coneActor
ren1 SetBackground 0.1 0.2 0.4
[ren1 GetActiveCamera] Zoom 0.6
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