ENH: new test.

Graphics/Testing/Tcl/CMakeLists.txt

@@ -44,6 +44,7 @@ IF (VTK_USE_RENDERING)
       Delaunay3D
       dicer
       Disk
+      dispPlot
       edgePoints
       eleState
       EnSight6Elements

Graphics/Testing/Tcl/dispPlot.tcl

+package require vtktcl_interactor
+
+# this is a tcl version of plate vibration
+
+vtkRenderer ren1
+vtkRenderWindow renWin
+    renWin AddRenderer ren1
+vtkRenderWindowInteractor iren
+    iren SetRenderWindow renWin
+
+# read a vtk file
+#
+vtkPolyDataReader plate
+    plate SetFileName "$VTK_DATA_ROOT/Data/plate.vtk"
+    plate SetVectorsName "mode8"
+vtkWarpVector warp
+    warp SetInput [plate GetOutput]
+    warp SetScaleFactor 0.5
+vtkPolyDataNormals normals
+    normals SetInput [warp GetPolyDataOutput]
+vtkVectorDot color
+    color SetInput [normals GetOutput]
+vtkLookupTable lut
+    lut SetNumberOfColors 256
+    lut Build
+    for {set i 0} {$i<128} {incr i 1} {
+        eval lut SetTableValue $i [expr (128.0-$i)/128.0] [expr (128.0-$i)/128.0] [expr (128.0-$i)/128.0] 1
+    }
+    for {set i 128} {$i<256} {incr i 1} {
+        eval lut SetTableValue $i [expr ($i-128.0)/128.0] [expr ($i-128.0)/128.0] [expr ($i-128.0)/128.0] 1
+    }
+
+vtkDataSetMapper plateMapper
+    plateMapper SetInput [color GetOutput]
+    plateMapper SetLookupTable lut
+    plateMapper SetScalarRange -1 1
+vtkActor plateActor
+    plateActor SetMapper plateMapper
+
+# Add the actors to the renderer, set the background and size
+#
+ren1 AddActor plateActor
+ren1 SetBackground 1 1 1
+renWin SetSize 250 250
+
+[ren1 GetActiveCamera] SetPosition 13.3991 14.0764 9.97787 
+[ren1 GetActiveCamera] SetFocalPoint 1.50437 0.481517 4.52992 
+[ren1 GetActiveCamera] SetViewAngle 30
+[ren1 GetActiveCamera] SetViewUp -0.120861 0.458556 -0.880408 
+[ren1 GetActiveCamera] SetClippingRange 12.5724 26.8374 
+
+# render the image
+#
+iren SetUserMethod {wm deiconify .vtkInteract}
+iren Initialize
+
+# prevent the tk window from showing up then start the event loop
+wm withdraw .