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package require vtk
package require vtkinteraction
# create four cursors configured differently
vtkCursor2D cursor
eval cursor SetModelBounds 15 45 15 45 0 0
eval cursor SetFocalPoint 30 30 0
cursor AllOff
cursor AxesOn
cursor OutlineOn
vtkPolyDataMapper2D cursorMapper
cursorMapper SetInputConnection [cursor GetOutputPort]
vtkActor2D cursorActor
cursorActor SetMapper cursorMapper
[cursorActor GetProperty] SetColor 1 0 0
vtkCursor2D cursor2
eval cursor2 SetModelBounds 75 105 15 45 0 0
eval cursor2 SetFocalPoint 90 30 0
cursor2 AllOff
cursor2 AxesOn
cursor2 OutlineOn
cursor2 PointOn
vtkPolyDataMapper2D cursor2Mapper
cursor2Mapper SetInputConnection [cursor2 GetOutputPort]
vtkActor2D cursor2Actor
cursor2Actor SetMapper cursor2Mapper
[cursor2Actor GetProperty] SetColor 0 1 0
vtkCursor2D cursor3
eval cursor3 SetModelBounds 15 45 75 105 0 0
eval cursor3 SetFocalPoint 30 90 0
cursor3 AllOff
cursor3 AxesOn
cursor3 OutlineOff
cursor3 PointOn
cursor3 SetRadius 3
vtkPolyDataMapper2D cursor3Mapper
cursor3Mapper SetInputConnection [cursor3 GetOutputPort]
vtkActor2D cursor3Actor
cursor3Actor SetMapper cursor3Mapper
[cursor3Actor GetProperty] SetColor 0 1 0
vtkCursor2D cursor4
eval cursor4 SetModelBounds 75 105 75 105 0 0
eval cursor4 SetFocalPoint 90 90 0
cursor4 AllOff
cursor4 AxesOn
cursor4 SetRadius 0.0
vtkPolyDataMapper2D cursor4Mapper
cursor4Mapper SetInputConnection [cursor4 GetOutputPort]
vtkActor2D cursor4Actor
cursor4Actor SetMapper cursor4Mapper
[cursor4Actor GetProperty] SetColor 1 0 0
# rendering support
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# read data
ren1 AddActor cursorActor
ren1 AddActor cursor2Actor
ren1 AddActor cursor3Actor
ren1 AddActor cursor4Actor
ren1 SetBackground 0 0 0
renWin SetSize 120 120
renWin Render
iren AddObserver UserEvent {wm deiconify .vtkInteract}
iren Initialize
# prevent the tk window from showing up then start the event loop
wm withdraw .
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