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AbortCheckEvent.tcl
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AbortCheckEvent.tcl
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package require vtk
package require vtkinteraction
# Create the RenderWindow, Renderer and both Actors
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# Create a sphere source and actor
vtkSphereSource sphere
sphere SetThetaResolution 40
sphere SetPhiResolution 40
vtkPolyDataMapper sphereMapper
sphereMapper SetInputConnection [sphere GetOutputPort]
sphereMapper GlobalImmediateModeRenderingOn
vtkLODActor sphereActor
sphereActor SetMapper sphereMapper
# Create the spikes using a cone source and the sphere source
vtkConeSource cone
vtkGlyph3D glyph
glyph SetInputConnection [sphere GetOutputPort]
glyph SetSourceConnection [cone GetOutputPort]
glyph SetVectorModeToUseNormal
glyph SetScaleModeToScaleByVector
glyph SetScaleFactor 0.25
vtkPolyDataMapper spikeMapper
spikeMapper SetInputConnection [glyph GetOutputPort]
vtkLODActor spikeActor
spikeActor SetMapper spikeMapper
# Add the actors to the renderer, set the background and size renWin
ren1 AddActor sphereActor
ren1 AddActor spikeActor
ren1 SetBackground 0.1 0.2 0.4
renWin SetSize 300 300
# Render the image
iren AddObserver UserEvent {wm deiconify .vtkInteract}
set cam1 [ren1 GetActiveCamera]
$cam1 Zoom 1.4
iren Initialize
proc TkCheckAbort {} {
if {[renWin GetEventPending] != 0} {renWin SetAbortRender 1}
}
renWin AddObserver AbortCheckEvent TkCheckAbort
# Prevent the tk window from appearing; start the event loop
wm withdraw .
iren Start