[vtkusers] About Transform and Rotation
anast.jm at pg.com
anast.jm at pg.com
Mon Oct 28 10:35:06 EST 2002
Bao, Can you be more specific about the problems you are having. The code seems
to run fine for me....john
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From: cogito <baocogito at yahoo.com.cn>@public.kitware.com on 10/26/2002 09:14 PM
ZE8
cogito <baocogito at yahoo.com.cn> To: vtkusers at public.kitware.com
@public.kitware.com Cc: (bcc: John Anast-JM/PGI)
Subject: [vtkusers] About Transform and
Rotation
Sent by: vtkusers-admin at public.kitware.com
10/26/2002 09:14 AM
hi,
It cannot work well when I run the follow code.
please help me.
----------------------------------
package require vtk
package require vtkinteraction
# 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
($i-128.0)/128.0] [ex pr ($i-128.0)/128.0] 1
}
vtkDataSetMapper plateMapper
plateMapper SetInput [color GetOutput]
plateMapper SetLookupTable lut
plateMapper SetScalarRange -1 1
vtkActor plateActor
plateActor SetMapper plateMapper
#-----rotate by Z axis-----------------
#
vtkDataSetMapper m21
m21 SetInput [plate GetOutput]
vtkActor a21
a21 SetMapper m21
a21 RotateZ 90
[a21 GetProperty] SetColor 1 0 0
#
#----------------------
# 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 AddObserver UserEvent {wm deiconify .vtkInteract}
iren Initialize
# prevent the tk window from showing up then start the event loop
wm withdraw .
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