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205 lines
5.3 KiB
205 lines
5.3 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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# create two boxes and interpolate between them
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#
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vtkPoints pts
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pts InsertNextPoint -1 -1 -1
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pts InsertNextPoint 1 -1 -1
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pts InsertNextPoint 1 1 -1
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pts InsertNextPoint -1 1 -1
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pts InsertNextPoint -1 -1 1
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pts InsertNextPoint 1 -1 1
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pts InsertNextPoint 1 1 1
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pts InsertNextPoint -1 1 1
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vtkCellArray faces
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faces InsertNextCell 4
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faces InsertCellPoint 0
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faces InsertCellPoint 3
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faces InsertCellPoint 2
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faces InsertCellPoint 1
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faces InsertNextCell 4
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faces InsertCellPoint 4
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faces InsertCellPoint 5
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faces InsertCellPoint 6
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faces InsertCellPoint 7
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faces InsertNextCell 4
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faces InsertCellPoint 0
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faces InsertCellPoint 1
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faces InsertCellPoint 5
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faces InsertCellPoint 4
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faces InsertNextCell 4
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faces InsertCellPoint 1
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faces InsertCellPoint 2
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faces InsertCellPoint 6
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faces InsertCellPoint 5
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faces InsertNextCell 4
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faces InsertCellPoint 2
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faces InsertCellPoint 3
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faces InsertCellPoint 7
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faces InsertCellPoint 6
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faces InsertNextCell 4
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faces InsertCellPoint 3
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faces InsertCellPoint 0
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faces InsertCellPoint 4
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faces InsertCellPoint 7
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vtkUnsignedCharArray faceColors
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faceColors SetNumberOfComponents 3
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faceColors SetNumberOfTuples 3
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faceColors InsertComponent 0 0 255
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faceColors InsertComponent 0 1 0
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faceColors InsertComponent 0 2 0
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faceColors InsertComponent 1 0 0
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faceColors InsertComponent 1 1 255
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faceColors InsertComponent 1 2 0
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faceColors InsertComponent 2 0 255
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faceColors InsertComponent 2 1 255
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faceColors InsertComponent 2 2 0
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faceColors InsertComponent 3 0 0
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faceColors InsertComponent 3 1 0
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faceColors InsertComponent 3 2 255
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faceColors InsertComponent 4 0 255
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faceColors InsertComponent 4 1 0
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faceColors InsertComponent 4 2 255
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faceColors InsertComponent 5 0 0
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faceColors InsertComponent 5 1 255
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faceColors InsertComponent 5 2 255
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vtkPolyData cube
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cube SetPoints pts
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cube SetPolys faces
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[cube GetCellData] SetScalars faceColors
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vtkTransform t1
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t1 Translate 1 2 3
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t1 RotateX 15
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t1 Scale 4 2 1
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vtkTransformPolyDataFilter tpdf1
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tpdf1 SetInput cube
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tpdf1 SetTransform t1
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vtkPolyDataMapper cube1Mapper
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cube1Mapper SetInputConnection [tpdf1 GetOutputPort]
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vtkActor cube1
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cube1 SetMapper cube1Mapper
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vtkTransform t2
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t2 Translate 5 10 15
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t2 RotateX 22.5
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t2 RotateY 15
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t2 RotateZ 85
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t2 Scale 1 2 4
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vtkTransformPolyDataFilter tpdf2
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tpdf2 SetInput cube
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tpdf2 SetTransform t2
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vtkPolyDataMapper cube2Mapper
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cube2Mapper SetInputConnection [tpdf2 GetOutputPort]
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vtkActor cube2
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cube2 SetMapper cube2Mapper
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vtkTransform t3
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t3 Translate 5 -10 15
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t3 RotateX 13
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t3 RotateY 72
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t3 RotateZ -15
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t3 Scale 2 4 1
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vtkTransformPolyDataFilter tpdf3
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tpdf3 SetInput cube
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tpdf3 SetTransform t3
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vtkPolyDataMapper cube3Mapper
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cube3Mapper SetInputConnection [tpdf3 GetOutputPort]
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vtkActor cube3
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cube3 SetMapper cube3Mapper
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vtkTransform t4
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t4 Translate 10 -5 5
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t4 RotateX 66
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t4 RotateY 19
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t4 RotateZ 24
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t4 Scale 2 .5 1
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vtkTransformPolyDataFilter tpdf4
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tpdf4 SetInput cube
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tpdf4 SetTransform t4
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vtkPolyDataMapper cube4Mapper
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cube4Mapper SetInputConnection [tpdf4 GetOutputPort]
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vtkActor cube4
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cube4 SetMapper cube4Mapper
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# Interpolate the transformation
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vtkPolyDataMapper cubeMapper
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cubeMapper SetInput cube
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vtkActor cubeActor
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cubeActor SetMapper cubeMapper
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# Interpolate some transformations, test along the way
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vtkTransformInterpolator interpolator
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#interpolator SetInterpolationTypeToLinear
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interpolator SetInterpolationTypeToSpline
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interpolator AddTransform 0.0 cube1
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interpolator AddTransform 8.0 cube2
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interpolator AddTransform 18.2 cube3
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interpolator AddTransform 24.4 cube4
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interpolator Initialize
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#puts [interpolator GetNumberOfTransforms]
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interpolator AddTransform 0.0 t1
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interpolator AddTransform 8.0 t2
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interpolator AddTransform 18.2 t3
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interpolator AddTransform 24.4 t4
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#puts [interpolator GetNumberOfTransforms]
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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 cube1
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ren1 AddActor cube2
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ren1 AddActor cube3
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ren1 AddActor cube4
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ren1 AddActor cubeActor
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ren1 SetBackground 0 0 0
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renWin SetSize 300 300
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ren1 SetBackground 0.1 0.2 0.4
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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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vtkCamera camera
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camera SetClippingRange 31.2977 81.697
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camera SetFocalPoint 3.0991 -2.00445 9.78648
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camera SetPosition -44.8481 -25.871 10.0645
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camera SetViewAngle 30
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camera SetViewUp -0.0356378 0.0599728 -0.997564
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ren1 SetActiveCamera camera
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renWin Render
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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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vtkTransform xform
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proc animate {} {
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set numSteps 250
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set min [interpolator GetMinimumT]
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set max [interpolator GetMaximumT]
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for {set i 0} {$i <= $numSteps} {incr i} {
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set t [expr double($i) * ($max - $min) / double($numSteps)]
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interpolator InterpolateTransform $t xform
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cubeActor SetUserMatrix [xform GetMatrix]
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renWin Render
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}
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}
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interpolator InterpolateTransform 13.2 xform
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cubeActor SetUserMatrix [xform GetMatrix]
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renWin Render
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#animate
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