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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
vtkSphereSource sphere
vtkPolyDataMapper sphereMapper
sphereMapper SetInputConnection [sphere GetOutputPort]
vtkActor sphereActor
sphereActor SetMapper sphereMapper
vtkConeSource coneGlyph
coneGlyph SetResolution 6
vtkSphereSource sphereGlyph
sphereGlyph SetThetaResolution 12
sphereGlyph SetPhiResolution 6
vtkCaptionActor2D caption
caption SetCaption "This is the\nsouth pole"
caption SetAttachmentPoint 0 0 -0.5
[caption GetPositionCoordinate] SetCoordinateSystemToNormalizedViewport
[caption GetPositionCoordinate] SetReferenceCoordinate {}
[caption GetPositionCoordinate] SetValue 0.05 0.05
caption SetWidth 0.25
caption SetHeight 0.15
caption ThreeDimensionalLeaderOn
caption SetLeaderGlyphConnection [coneGlyph GetOutputPort]
caption SetMaximumLeaderGlyphSize 10
caption SetLeaderGlyphSize 0.025
[caption GetProperty] SetColor 1 0 0
set tprop [caption GetCaptionTextProperty]
eval $tprop SetColor [[caption GetProperty] GetColor]
vtkCaptionActor2D caption2
caption2 SetCaption "Santa lives here"
[caption2 GetProperty] SetColor 1 0 0
caption2 SetAttachmentPoint 0 0 0.5
caption2 SetHeight 0.05
caption2 BorderOff
caption2 SetPosition 25 10
caption2 ThreeDimensionalLeaderOff
caption2 SetLeaderGlyphConnection [coneGlyph GetOutputPort]
caption2 SetWidth 0.35
caption2 SetHeight 0.10
caption2 SetMaximumLeaderGlyphSize 10
caption2 SetLeaderGlyphSize 0.025
set tprop [caption2 GetCaptionTextProperty]
eval $tprop SetColor [[caption2 GetProperty] GetColor]
ren1 AddActor2D caption2
ren1 AddActor2D caption
ren1 AddActor sphereActor
ren1 SetBackground 1 1 1
[ren1 GetActiveCamera] SetFocalPoint 0 0 0
[ren1 GetActiveCamera] SetPosition 1 0 0
[ren1 GetActiveCamera] SetViewUp 0 0 1
ren1 ResetCamera
renWin SetSize 250 250
# render the image
#
iren AddObserver UserEvent {wm deiconify .vtkInteract}
renWin Render
# prevent the tk window from showing up then start the event loop
wm withdraw .
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