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116 lines
2.6 KiB
116 lines
2.6 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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set file0 ugFile0.vtu
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set file1 ugFile1.vtu
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set file2 ugFile2.vtu
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# read in some unstructured grid data
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vtkUnstructuredGridReader ugReader
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ugReader SetFileName "$VTK_DATA_ROOT/Data/blow.vtk"
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ugReader SetScalarsName "thickness9"
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ugReader SetVectorsName "displacement9"
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vtkExtractUnstructuredGridPiece extract
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extract SetInputConnection [ugReader GetOutputPort]
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# write various versions
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vtkXMLUnstructuredGridWriter ugWriter
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ugWriter SetFileName $file0
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ugWriter SetDataModeToAscii
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ugWriter SetInputConnection [ugReader GetOutputPort]
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ugWriter Write
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ugWriter SetFileName $file1
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ugWriter SetInputConnection [extract GetOutputPort]
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ugWriter SetDataModeToAppended
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ugWriter SetNumberOfPieces 2
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ugWriter Write
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ugWriter SetFileName $file2
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ugWriter SetDataModeToBinary
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ugWriter SetGhostLevel 2
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ugWriter Write
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# read the ASCII version
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vtkXMLUnstructuredGridReader reader
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reader SetFileName $file0
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reader Update
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vtkUnstructuredGrid ug0
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ug0 DeepCopy [reader GetOutput]
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vtkDataSetSurfaceFilter sF
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sF SetInput ug0
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vtkPolyDataMapper mapper0
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mapper0 SetInputConnection [sF GetOutputPort]
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vtkActor actor0
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actor0 SetMapper mapper0
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actor0 SetPosition 0 40 20
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# read appended piece 0
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reader SetFileName $file1
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vtkDataSetSurfaceFilter sF1
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sF1 SetInputConnection [reader GetOutputPort]
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vtkPolyDataMapper mapper1
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mapper1 SetInputConnection [sF1 GetOutputPort]
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mapper1 SetPiece 1
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mapper1 SetNumberOfPieces 2
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vtkActor actor1
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actor1 SetMapper mapper1
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# read binary piece 0 (with ghost level)
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vtkXMLUnstructuredGridReader reader2
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reader2 SetFileName $file2
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vtkDataSetSurfaceFilter sF2
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sF2 SetInputConnection [reader2 GetOutputPort]
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vtkPolyDataMapper mapper2
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mapper2 SetInputConnection [sF2 GetOutputPort]
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mapper2 SetPiece 1
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mapper2 SetNumberOfPieces 2
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mapper2 SetGhostLevel 2
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vtkActor actor2
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actor2 SetMapper mapper2
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actor2 SetPosition 0 0 30
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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 actor0
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ren1 AddActor actor1
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ren1 AddActor actor2
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ren1 ResetCamera
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[ren1 GetActiveCamera] SetPosition 180 55 65
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[ren1 GetActiveCamera] SetFocalPoint 3.5 32 15
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renWin SetSize 300 300
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iren Initialize
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renWin Render
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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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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file delete -force $file0
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file delete -force $file1
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file delete -force $file2
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