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package require vtk
package require vtkinteraction
package require vtktesting
# Create the RenderWindow, Renderer and both Actors
#
vtkRenderer ren1
vtkRenderer ren2
vtkRenderWindow renWin
renWin AddRenderer ren1
renWin AddRenderer ren2
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# create pipeline for ren1
#
vtkPLOT3DReader pl3d2
pl3d2 SetXYZFileName "$VTK_DATA_ROOT/Data/combxyz.bin"
pl3d2 SetQFileName "$VTK_DATA_ROOT/Data/combq.bin"
pl3d2 SetScalarFunctionNumber 153
pl3d2 Update
vtkPLOT3DReader pl3d
pl3d SetXYZFileName "$VTK_DATA_ROOT/Data/combxyz.bin"
pl3d SetQFileName "$VTK_DATA_ROOT/Data/combq.bin"
pl3d SetScalarFunctionNumber 120
pl3d SetVectorFunctionNumber 202
pl3d Update
vtkContourFilter iso
iso SetInputConnection [pl3d GetOutputPort]
iso SetValue 0 -100000
vtkProbeFilter probe2
probe2 SetInputConnection [iso GetOutputPort]
probe2 SetSource [pl3d2 GetOutput]
vtkCastToConcrete cast2
cast2 SetInputConnection [probe2 GetOutputPort]
vtkPolyDataNormals normals
normals SetInput [cast2 GetPolyDataOutput]
normals SetFeatureAngle 45
vtkPolyDataMapper isoMapper
isoMapper SetInputConnection [normals GetOutputPort]
isoMapper ScalarVisibilityOn
eval isoMapper SetScalarRange [[[[pl3d2 GetOutput] GetPointData] GetScalars] GetRange]
vtkActor isoActor
isoActor SetMapper isoMapper
eval [isoActor GetProperty] SetColor $bisque
vtkStructuredGridOutlineFilter outline
outline SetInputConnection [pl3d GetOutputPort]
vtkPolyDataMapper outlineMapper
outlineMapper SetInputConnection [outline GetOutputPort]
vtkActor outlineActor
outlineActor SetMapper outlineMapper
# Add the actors to the renderer, set the background and size
#
ren1 AddActor outlineActor
ren1 AddActor isoActor
ren1 SetBackground 1 1 1
ren1 SetViewport 0 0 .5 1
renWin SetSize 512 256
ren1 SetBackground 0.1 0.2 0.4
ren1 ResetCamera
set cam1 [ren1 GetActiveCamera]
$cam1 SetClippingRange 3.95297 50
$cam1 SetFocalPoint 9.71821 0.458166 29.3999
$cam1 SetPosition 2.7439 -37.3196 38.7167
$cam1 SetViewUp -0.16123 0.264271 0.950876
vtkPlaneSource aPlane
vtkPolyDataMapper aPlaneMapper
aPlaneMapper SetInputConnection [aPlane GetOutputPort]
aPlaneMapper ImmediateModeRenderingOn
vtkActor screen
screen SetMapper aPlaneMapper
ren2 AddActor screen
ren2 SetViewport .5 0 1 1
[ren2 GetActiveCamera] Azimuth 30
[ren2 GetActiveCamera] Elevation 30
ren2 SetBackground .8 .4 .3
ren1 ResetCameraClippingRange
ren2 ResetCamera
ren2 ResetCameraClippingRange
renWin Render
vtkRendererSource ren1Image
ren1Image SetInput ren1
ren1Image DepthValuesOn
vtkTexture aTexture
aTexture SetInputConnection [ren1Image GetOutputPort]
screen SetTexture aTexture
renWin Render
# 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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