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# This shows how to probe a dataset with a plane. The probed data is then
# contoured.
package require vtk
package require vtkinteraction
# create pipeline
#
vtkMultiBlockPLOT3DReader pl3d
pl3d SetXYZFileName "$VTK_DATA_ROOT/Data/combxyz.bin"
pl3d SetQFileName "$VTK_DATA_ROOT/Data/combq.bin"
pl3d SetScalarFunctionNumber 100
pl3d SetVectorFunctionNumber 202
pl3d Update
set pl3dOutput [[pl3d GetOutput] GetBlock 0]
# We create three planes and position them in the correct position
# using transform filters. They are then appended together and used as
# a probe.
vtkPlaneSource plane
plane SetResolution 50 50
vtkTransform transP1
transP1 Translate 3.7 0.0 28.37
transP1 Scale 5 5 5
transP1 RotateY 90
vtkTransformPolyDataFilter tpd1
tpd1 SetInputConnection [plane GetOutputPort]
tpd1 SetTransform transP1
vtkOutlineFilter outTpd1
outTpd1 SetInputConnection [tpd1 GetOutputPort]
vtkPolyDataMapper mapTpd1
mapTpd1 SetInputConnection [outTpd1 GetOutputPort]
vtkActor tpd1Actor
tpd1Actor SetMapper mapTpd1
[tpd1Actor GetProperty] SetColor 0 0 0
vtkTransform transP2
transP2 Translate 9.2 0.0 31.20
transP2 Scale 5 5 5
transP2 RotateY 90
vtkTransformPolyDataFilter tpd2
tpd2 SetInputConnection [plane GetOutputPort]
tpd2 SetTransform transP2
vtkOutlineFilter outTpd2
outTpd2 SetInputConnection [tpd2 GetOutputPort]
vtkPolyDataMapper mapTpd2
mapTpd2 SetInputConnection [outTpd2 GetOutputPort]
vtkActor tpd2Actor
tpd2Actor SetMapper mapTpd2
[tpd2Actor GetProperty] SetColor 0 0 0
vtkTransform transP3
transP3 Translate 13.27 0.0 33.30
transP3 Scale 5 5 5
transP3 RotateY 90
vtkTransformPolyDataFilter tpd3
tpd3 SetInputConnection [plane GetOutputPort]
tpd3 SetTransform transP3
vtkOutlineFilter outTpd3
outTpd3 SetInputConnection [tpd3 GetOutputPort]
vtkPolyDataMapper mapTpd3
mapTpd3 SetInputConnection [outTpd3 GetOutputPort]
vtkActor tpd3Actor
tpd3Actor SetMapper mapTpd3
[tpd3Actor GetProperty] SetColor 0 0 0
vtkAppendPolyData appendF
appendF AddInputConnection [tpd1 GetOutputPort]
appendF AddInputConnection [tpd2 GetOutputPort]
appendF AddInputConnection [tpd3 GetOutputPort]
# The vtkProbeFilter takes two inputs. One is a dataset to use as the probe
# geometry (SetInputConnection); the other is the data to probe
# (SetSourceConnection). The output dataset structure (geometry and
# topology) of the probe is the same as the structure of the input. The
# probing process generates new data values resampled from the source.
vtkProbeFilter probe
probe SetInputConnection [appendF GetOutputPort]
probe SetSourceData $pl3dOutput
vtkContourFilter contour
contour SetInputConnection [probe GetOutputPort]
eval contour GenerateValues 50 [$pl3dOutput GetScalarRange]
vtkPolyDataMapper contourMapper
contourMapper SetInputConnection [contour GetOutputPort]
eval contourMapper SetScalarRange [$pl3dOutput GetScalarRange]
vtkActor planeActor
planeActor SetMapper contourMapper
vtkStructuredGridOutlineFilter outline
outline SetInputData $pl3dOutput
vtkPolyDataMapper outlineMapper
outlineMapper SetInputConnection [outline GetOutputPort]
vtkActor outlineActor
outlineActor SetMapper outlineMapper
[outlineActor GetProperty] SetColor 0 0 0
# create planes
# Create the RenderWindow, Renderer and both Actors
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
ren1 AddActor outlineActor
ren1 AddActor planeActor
ren1 AddActor tpd1Actor
ren1 AddActor tpd2Actor
ren1 AddActor tpd3Actor
ren1 SetBackground 1 1 1
renWin SetSize 400 400
ren1 ResetCamera
set cam1 [ren1 GetActiveCamera]
$cam1 SetClippingRange 3.95297 50
$cam1 SetFocalPoint 8.88908 0.595038 29.3342
$cam1 SetPosition -12.3332 31.7479 41.2387
$cam1 SetViewUp 0.060772 -0.319905 0.945498
iren Initialize
# prevent the tk window from showing up then start the event loop
wm withdraw .
iren Start
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