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119 lines
3.7 KiB
119 lines
3.7 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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# Read a field representing unstructured grid and display it (similar to blow.tcl)
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# create a reader and write out field daya
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vtkUnstructuredGridReader reader
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reader SetFileName "$VTK_DATA_ROOT/Data/blow.vtk"
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reader SetScalarsName "thickness9"
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reader SetVectorsName "displacement9"
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vtkDataSetToDataObjectFilter ds2do
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ds2do SetInputConnection [reader GetOutputPort]
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# we must be able to write here
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if {[catch {set channel [open "UGridField.vtk" "w"]}] == 0 } {
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close $channel
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vtkDataObjectWriter write
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write SetInputConnection [ds2do GetOutputPort]
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write SetFileName "UGridField.vtk"
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write Write
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# Read the field and convert to unstructured grid.
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vtkDataObjectReader dor
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dor SetFileName "UGridField.vtk"
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vtkDataObjectToDataSetFilter do2ds
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do2ds SetInputConnection [dor GetOutputPort]
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do2ds SetDataSetTypeToUnstructuredGrid
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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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do2ds SetCellTypeComponent "CellTypes" 0
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do2ds SetCellConnectivityComponent "Cells" 0
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vtkFieldDataToAttributeDataFilter fd2ad
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fd2ad SetInput [do2ds GetUnstructuredGridOutput]
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fd2ad SetInputFieldToDataObjectField
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fd2ad SetOutputAttributeDataToPointData
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fd2ad SetVectorComponent 0 "displacement9" 0
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fd2ad SetVectorComponent 1 "displacement9" 1
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fd2ad SetVectorComponent 2 "displacement9" 2
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fd2ad SetScalarComponent 0 "thickness9" 0
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# Now start visualizing
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vtkWarpVector warp
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warp SetInput [fd2ad GetUnstructuredGridOutput]
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# extract mold from mesh using connectivity
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vtkConnectivityFilter connect
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connect SetInputConnection [warp GetOutputPort]
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connect SetExtractionModeToSpecifiedRegions
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connect AddSpecifiedRegion 0
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connect AddSpecifiedRegion 1
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vtkDataSetMapper moldMapper
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moldMapper SetInputConnection [connect GetOutputPort]
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moldMapper ScalarVisibilityOff
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vtkActor moldActor
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moldActor SetMapper moldMapper
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[moldActor GetProperty] SetColor .2 .2 .2
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[moldActor GetProperty] SetRepresentationToWireframe
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# extract parison from mesh using connectivity
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vtkConnectivityFilter connect2
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connect2 SetInputConnection [warp GetOutputPort]
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connect2 SetExtractionModeToSpecifiedRegions
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connect2 AddSpecifiedRegion 2
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vtkGeometryFilter parison
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parison SetInputConnection [connect2 GetOutputPort]
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vtkPolyDataNormals normals2
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normals2 SetInputConnection [parison GetOutputPort]
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normals2 SetFeatureAngle 60
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vtkLookupTable lut
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lut SetHueRange 0.0 0.66667
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vtkPolyDataMapper parisonMapper
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parisonMapper SetInputConnection [normals2 GetOutputPort]
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parisonMapper SetLookupTable lut
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parisonMapper SetScalarRange 0.12 1.0
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vtkActor parisonActor
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parisonActor SetMapper parisonMapper
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vtkContourFilter cf
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cf SetInputConnection [connect2 GetOutputPort]
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cf SetValue 0 .5
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vtkPolyDataMapper contourMapper
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contourMapper SetInputConnection [cf GetOutputPort]
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vtkActor contours
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contours SetMapper contourMapper
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# Create graphics stuff
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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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ren1 AddActor moldActor
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ren1 AddActor parisonActor
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ren1 AddActor contours
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ren1 ResetCamera
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[ren1 GetActiveCamera] Azimuth 60
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[ren1 GetActiveCamera] Roll -90
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[ren1 GetActiveCamera] Dolly 2
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ren1 ResetCameraClippingRange
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ren1 SetBackground 1 1 1
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renWin SetSize 375 200
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iren Initialize
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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if {[info commands "rtExMath"] != ""} {
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file delete -force "UGridField.vtk"
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}
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}
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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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