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package require vtk
package require vtkinteraction
package require vtktesting
# Create the RenderWindow, Renderer and both Actors
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# create pipeline
#
vtkVolume16Reader v16
v16 SetDataDimensions 64 64
[v16 GetOutput] SetOrigin 0.0 0.0 0.0
v16 SetDataByteOrderToLittleEndian
v16 SetFilePrefix "$VTK_DATA_ROOT/Data/headsq/quarter"
v16 SetImageRange 1 93
v16 SetDataSpacing 3.2 3.2 1.5
v16 Update
vtkMergePoints myLocator
vtkMarchingSquares isoXY
isoXY SetInputConnection [v16 GetOutputPort]
isoXY GenerateValues 2 600 1200
isoXY SetImageRange 0 32 32 63 45 45
isoXY SetLocator myLocator
vtkPolyDataMapper isoXYMapper
isoXYMapper SetInputConnection [isoXY GetOutputPort]
isoXYMapper SetScalarRange 600 1200
vtkActor isoXYActor
isoXYActor SetMapper isoXYMapper
vtkMarchingSquares isoYZ
isoYZ SetInputConnection [v16 GetOutputPort]
isoYZ GenerateValues 2 600 1200
isoYZ SetImageRange 32 32 32 63 46 92
vtkPolyDataMapper isoYZMapper
isoYZMapper SetInputConnection [isoYZ GetOutputPort]
isoYZMapper SetScalarRange 600 1200
vtkActor isoYZActor
isoYZActor SetMapper isoYZMapper
vtkMarchingSquares isoXZ
isoXZ SetInputConnection [v16 GetOutputPort]
isoXZ GenerateValues 2 600 1200
isoXZ SetImageRange 0 32 32 32 0 46
vtkPolyDataMapper isoXZMapper
isoXZMapper SetInputConnection [isoXZ GetOutputPort]
isoXZMapper SetScalarRange 600 1200
vtkActor isoXZActor
isoXZActor SetMapper isoXZMapper
vtkOutlineFilter outline
outline SetInputConnection [v16 GetOutputPort]
vtkPolyDataMapper outlineMapper
outlineMapper SetInputConnection [outline GetOutputPort]
vtkActor outlineActor
outlineActor SetMapper outlineMapper
outlineActor VisibilityOff
# Add the actors to the renderer, set the background and size
#
ren1 AddActor outlineActor
ren1 AddActor isoXYActor
ren1 AddActor isoYZActor
ren1 AddActor isoXZActor
ren1 SetBackground 0.9 .9 .9
renWin SetSize 200 200
[ren1 GetActiveCamera] SetPosition 324.368 284.266 -19.3293
[ren1 GetActiveCamera] SetFocalPoint 73.5683 120.903 70.7309
[ren1 GetActiveCamera] SetViewAngle 30
[ren1 GetActiveCamera] SetViewUp -0.304692 -0.0563843 -0.950781
iren Initialize
# render the image
#
iren AddObserver UserEvent {wm deiconify .vtkInteract}
# prevent the tk window from showing up then start the event loop
wm withdraw .
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