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117 lines
3.6 KiB
117 lines
3.6 KiB
package require vtk
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package require vtkinteraction
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vtkRenderWindow renWin
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vtkRenderWindowInteractor iren
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iren SetRenderWindow renWin
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# Create objects
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array set sscale {
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s2 {0.7 0.7 0.7}
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s3 {0.5 0.5 0.5}
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}
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array set scenter {
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s2 {-0.25 0.25 0.0}
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s3 { 0.4 -0.3 0.0}
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}
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array set scolors {
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s2 {0.2 0.6 0.1}
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s3 {0.1 0.2 0.6}
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}
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for {set sidx 1} {$sidx <= 3} {incr sidx} {
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vtkSuperquadricSource s${sidx}
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s${sidx} ToroidalOff
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s${sidx} SetThetaResolution 20
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s${sidx} SetPhiResolution 20
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s${sidx} SetPhiRoundness [expr 0.7 + ($sidx-2)*0.4]
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s${sidx} SetThetaRoundness [expr 0.85 + ($sidx-1)*0.4]
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if [info exists sscale(s${sidx})] {
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eval s${sidx} SetScale $sscale(s${sidx})
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}
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if [info exists scenter(s${sidx})] {
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eval s${sidx} SetCenter $scenter(s${sidx})
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}
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s${sidx} Update
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}
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# Create renderers
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for {set ridx 1} {$ridx <= 3} {incr ridx} {
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vtkRenderer ren${ridx}
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ren${ridx} SetViewport [expr ($ridx-1)/3.0] 0.0 [expr ($ridx)/3.0] 1.0
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ren${ridx} SetBackground 0.7 0.8 1.0
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set cam [ren${ridx} GetActiveCamera]
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$cam SetPosition 1.7 1.4 1.7
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renWin AddRenderer ren${ridx}
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# renderer 1 has all 3 objects, render i has object 1 and i (i=2, 3)
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# add actors (corresponding to the objects) to each renderer
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# and ICP transforms from objects i or to 1.
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# object 1 has feature edges too.
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for {set sidx 1} {$sidx <= 3} {incr sidx} {
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if {$ridx == 1 || $sidx == 1 || $ridx == $sidx} {
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vtkPolyDataMapper ren${ridx}s${sidx}m
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ren${ridx}s${sidx}m SetInputConnection [s${sidx} GetOutputPort]
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vtkActor ren${ridx}s${sidx}a
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ren${ridx}s${sidx}a SetMapper ren${ridx}s${sidx}m
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set prop [ren${ridx}s${sidx}a GetProperty]
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if [info exists scolors(s${sidx})] {
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eval $prop SetColor $scolors(s${sidx})
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}
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if {$sidx == 1} {
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$prop SetOpacity 0.2
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vtkFeatureEdges ren${ridx}s${sidx}fe
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ren${ridx}s${sidx}fe SetInputConnection [s${sidx} GetOutputPort]
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ren${ridx}s${sidx}fe BoundaryEdgesOn
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ren${ridx}s${sidx}fe ColoringOff
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ren${ridx}s${sidx}fe ManifoldEdgesOff
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vtkPolyDataMapper ren${ridx}s${sidx}fem
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ren${ridx}s${sidx}fem SetInput \
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[ren${ridx}s${sidx}fe GetOutput]
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ren${ridx}s${sidx}fem \
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SetResolveCoincidentTopologyToPolygonOffset
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vtkActor ren${ridx}s${sidx}fea
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ren${ridx}s${sidx}fea SetMapper ren${ridx}s${sidx}fem
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ren${ridx} AddActor ren${ridx}s${sidx}fea
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}
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ren${ridx} AddActor ren${ridx}s${sidx}a
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}
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if {$ridx > 1 && $ridx == $sidx} {
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vtkIterativeClosestPointTransform ren${ridx}icp${sidx}
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ren${ridx}icp${sidx} SetSource [s${sidx} GetOutput]
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ren${ridx}icp${sidx} SetTarget [s1 GetOutput]
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ren${ridx}icp${sidx} SetCheckMeanDistance 1
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ren${ridx}icp${sidx} SetMaximumMeanDistance 0.001
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ren${ridx}icp${sidx} SetMaximumNumberOfIterations 30
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ren${ridx}icp${sidx} SetMaximumNumberOfLandmarks 50
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ren${ridx}s${sidx}a SetUserTransform ren${ridx}icp${sidx}
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}
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}
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}
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ren3icp3 StartByMatchingCentroidsOn
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renWin SetSize 400 100
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renWin Render
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catch {
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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}
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wm withdraw .
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