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119 lines
3.2 KiB
119 lines
3.2 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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package require vtktesting
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# Demonstrate the generation of a structured grid from field data. The output
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# should be similar to combIso.tcl.
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#
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# NOTE: This test only works if the current directory is writable
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#
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if {[catch {set channel [open "test.tmp" "w"]}] == 0 } {
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close $channel
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file delete -force "test.tmp"
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# get the interactor ui
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# Create a reader and write out the field
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vtkPLOT3DReader comb
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comb SetXYZFileName "$VTK_DATA_ROOT/Data/combxyz.bin"
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comb SetQFileName "$VTK_DATA_ROOT/Data/combq.bin"
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comb SetScalarFunctionNumber 100
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vtkStructuredGridWriter wsg
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wsg SetInputConnection [comb GetOutputPort]
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wsg SetFileTypeToBinary
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wsg SetFileName "combsg.vtk"
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wsg Write
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vtkStructuredGridReader pl3d
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pl3d SetFileName "combsg.vtk"
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vtkDataSetToDataObjectFilter ds2do
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ds2do SetInputConnection [pl3d GetOutputPort]
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vtkDataObjectWriter writer
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writer SetInputConnection [ds2do GetOutputPort]
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writer SetFileName "SGridField.vtk"
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writer Write
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# read the field
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vtkDataObjectReader dor
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dor SetFileName "SGridField.vtk"
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vtkDataObjectToDataSetFilter do2ds
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do2ds SetInputConnection [dor GetOutputPort]
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do2ds SetDataSetTypeToStructuredGrid
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do2ds SetDimensionsComponent "Dimensions" 0
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do2ds SetPointComponent 0 "Points" 0
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do2ds SetPointComponent 1 "Points" 1
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do2ds SetPointComponent 2 "Points" 2
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vtkFieldDataToAttributeDataFilter fd2ad
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fd2ad SetInput [do2ds GetStructuredGridOutput]
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fd2ad SetInputFieldToDataObjectField
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fd2ad SetOutputAttributeDataToPointData
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fd2ad SetVectorComponent 0 "Momentum" 0
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fd2ad SetVectorComponent 1 "Momentum" 1
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fd2ad SetVectorComponent 2 "Momentum" 2
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fd2ad SetScalarComponent 0 "Density" 0
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# create pipeline
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#
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vtkContourFilter iso
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iso SetInputConnection [fd2ad GetOutputPort]
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iso SetValue 0 .38
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vtkPolyDataNormals normals
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normals SetInputConnection [iso GetOutputPort]
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normals SetFeatureAngle 45
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vtkPolyDataMapper isoMapper
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isoMapper SetInputConnection [normals GetOutputPort]
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isoMapper ScalarVisibilityOff
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vtkActor isoActor
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isoActor SetMapper isoMapper
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eval [isoActor GetProperty] SetColor $bisque
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vtkStructuredGridOutlineFilter outline
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outline SetInput [fd2ad GetStructuredGridOutput]
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vtkPolyDataMapper outlineMapper
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outlineMapper SetInputConnection [outline GetOutputPort]
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vtkActor outlineActor
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outlineActor SetMapper outlineMapper
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# Create the RenderWindow, Renderer and both Actors
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#
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vtkRenderer ren1
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vtkRenderWindow renWin
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renWin AddRenderer ren1
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vtkRenderWindowInteractor iren
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iren SetRenderWindow renWin
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# Add the actors to the renderer, set the background and size
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#
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ren1 AddActor outlineActor
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ren1 AddActor isoActor
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ren1 SetBackground 1 1 1
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renWin SetSize 250 250
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ren1 SetBackground 0.1 0.2 0.4
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set cam1 [ren1 GetActiveCamera]
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$cam1 SetClippingRange 3.95297 50
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$cam1 SetFocalPoint 9.71821 0.458166 29.3999
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$cam1 SetPosition 2.7439 -37.3196 38.7167
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$cam1 SetViewUp -0.16123 0.264271 0.950876
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# render the image
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#
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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renWin Render
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#
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# cleanup
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file delete -force "combsg.vtk"
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file delete -force "SGridField.vtk"
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# prevent the tk window from showing up then start the event loop
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wm withdraw .
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}
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