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package require vtk
package require vtkinteraction
# create tensor ellipsoids
# Create the RenderWindow, Renderer and interactive renderer
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
vtkPointLoad ptLoad
ptLoad SetLoadValue 100.0
ptLoad SetSampleDimensions 30 30 30
ptLoad ComputeEffectiveStressOn
ptLoad SetModelBounds -10 10 -10 10 -10 10
vtkExtractTensorComponents extractTensor
extractTensor SetInputConnection [ptLoad GetOutputPort]
extractTensor ScalarIsEffectiveStress
extractTensor ScalarIsComponent
extractTensor ExtractScalarsOn
extractTensor ExtractVectorsOn
extractTensor ExtractNormalsOff
extractTensor ExtractTCoordsOn
vtkContourFilter contour
contour SetInputConnection [extractTensor GetOutputPort]
contour SetValue 0 0
vtkProbeFilter probe
probe SetInputConnection [contour GetOutputPort]
probe SetSource [ptLoad GetOutput]
vtkLoopSubdivisionFilter su
su SetInputConnection [probe GetOutputPort]
su SetNumberOfSubdivisions 1
vtkPolyDataMapper s1Mapper
s1Mapper SetInputConnection [probe GetOutputPort]
# s1Mapper SetInputConnection [su GetOutputPort]
vtkActor s1Actor
s1Actor SetMapper s1Mapper
#
# plane for context
#
vtkImageDataGeometryFilter g
g SetInputConnection [ptLoad GetOutputPort]
g SetExtent 0 100 0 100 0 0
g Update;#for scalar range
vtkPolyDataMapper gm
gm SetInputConnection [g GetOutputPort]
eval gm SetScalarRange [[g GetOutput] GetScalarRange]
vtkActor ga
ga SetMapper gm
eval s1Mapper SetScalarRange [[g GetOutput] GetScalarRange]
#
# Create outline around data
#
vtkOutlineFilter outline
outline SetInputConnection [ptLoad GetOutputPort]
vtkPolyDataMapper outlineMapper
outlineMapper SetInputConnection [outline GetOutputPort]
vtkActor outlineActor
outlineActor SetMapper outlineMapper
eval [outlineActor GetProperty] SetColor 0 0 0
#
# Create cone indicating application of load
#
vtkConeSource coneSrc
coneSrc SetRadius .5
coneSrc SetHeight 2
vtkPolyDataMapper coneMap
coneMap SetInputConnection [coneSrc GetOutputPort]
vtkActor coneActor
coneActor SetMapper coneMap;
coneActor SetPosition 0 0 11
coneActor RotateY 90
eval [coneActor GetProperty] SetColor 1 0 0
vtkCamera camera
camera SetFocalPoint 0.113766 -1.13665 -1.01919
camera SetPosition -29.4886 -63.1488 26.5807
camera SetViewAngle 24.4617
camera SetViewUp 0.17138 0.331163 0.927879
camera SetClippingRange 1 100
ren1 AddActor s1Actor
ren1 AddActor outlineActor
ren1 AddActor coneActor
ren1 AddActor ga
ren1 SetBackground 1.0 1.0 1.0
ren1 SetActiveCamera camera
renWin SetSize 300 300
renWin Render
iren AddObserver UserEvent {wm deiconify .vtkInteract}
# prevent the tk window from showing up then start the event loop
wm withdraw .
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