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package require vtk
package require vtkinteraction
vtkRenderer ren1
vtkRenderWindow renWin
# this test has some wireframe geometry
# Make sure multisampling is disabled to avoid generating multiple
# regression images
# renWin SetMultiSamples 0
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# read data
#
vtkStructuredGridReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/office.binary.vtk"
reader Update;#force a read to occur
vtkStructuredGridOutlineFilter outline
outline SetInputConnection [reader GetOutputPort]
vtkPolyDataMapper mapOutline
mapOutline SetInputConnection [outline GetOutputPort]
vtkActor outlineActor
outlineActor SetMapper mapOutline
[outlineActor GetProperty] SetColor 0 0 0
vtkRungeKutta45 rk
# Create source for streamtubes
vtkStreamTracer streamer
streamer SetInputConnection [reader GetOutputPort]
streamer SetStartPosition 0.1 2.1 0.5
streamer SetMaximumPropagation 500
streamer SetIntegrationStepUnit 2
streamer SetMinimumIntegrationStep 0.1
streamer SetMaximumIntegrationStep 1.0
streamer SetInitialIntegrationStep 0.2
streamer SetIntegrationDirection 0
streamer SetIntegrator rk
streamer SetRotationScale 0.5
streamer SetMaximumError 1.0e-8
vtkAssignAttribute aa
aa SetInputConnection [streamer GetOutputPort]
aa Assign "Normals" "NORMALS" "POINT_DATA"
vtkRibbonFilter rf1
rf1 SetInputConnection [aa GetOutputPort]
rf1 SetWidth 0.1
rf1 VaryWidthOff
vtkPolyDataMapper mapStream
mapStream SetInputConnection [rf1 GetOutputPort]
eval mapStream SetScalarRange [[reader GetOutput] GetScalarRange]
vtkActor streamActor
streamActor SetMapper mapStream
ren1 AddActor outlineActor
ren1 AddActor streamActor
ren1 SetBackground 0.4 0.4 0.5
set cam [ren1 GetActiveCamera]
$cam SetPosition -2.35599 -3.35001 4.59236
$cam SetFocalPoint 2.255 2.255 1.28413
$cam SetViewUp 0.311311 0.279912 0.908149
$cam SetClippingRange 1.12294 16.6226
renWin SetSize 300 200
iren AddObserver UserEvent {wm deiconify .vtkInteract}
iren Initialize
# interact with data
wm withdraw .
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