[vtk-developers] vtkBoundedPlanePlacer problem

[dean.inglis at camris.ca]

works now, thanks.

Dean

> Subject: Re: Re: [vtk-developers] vtkBoundedPlanePlacer problem
> 
> Hi Dean,
> 
> The issue is amongst the commits today in
> http://www.vtk.org/Testing/Sites/DASH3.kitware/Win32-vs60/20071019-2001-Continuous/Update.html.
> 
> Please let us know if this works for you.
> 
> Thanks
> --
> Karthik Krishnan
> R&D Engineer,
> Kitware Inc.
> 
> On 10/16/07, dean.inglis at camris.ca <dean.inglis at camris.ca> wrote:
> >
> > Hi Karthik,
> >
> > thanks for pointing that out, I missed the
> > second (original) implementation.  However,
> > even if I change vtkImageActorPointPlacer as
> > suggested, this will not work, at least with
> > MS Vis Studio, since the signatures of the
> > vtkBoundedPointPlacer's ComputeWorldPosition
> > are equivalent due to the vtkNotUsed macro:
> >
> > // first appearanc in implementation file
> > // of ComputeWorldPosition
> > int vtkBoundedPlanePointPlacer::ComputeWorldPosition(
> >     vtkRenderer * ren,
> >     double        displayPos[2],
> >     double        refWorldPos[3],
> >     double        worldPos[3],
> >     double      * vtkNotUsed(worldOrient) )
> > {
> >
> >
> > // second implementation "looks" the same
> > // so the compiler always calls the first implementation
> > int vtkBoundedPlanePointPlacer::ComputeWorldPosition( vtkRenderer *ren,
> >                                                       double
> > displayPos[2],
> >                                                       double worldPos[3],
> >                                                       double
> > worldOrient[9] )
> >
> >
> > I tried and the contour widget's handle translation still does
> > not function.
> >
> > Dean
> >
> >
> > >
> > > Hi Dean,
> > >
> > > Could you please check if the following change to
> > vtkImageActorPointPlacer
> > > fixes it.
> > >
> > > On line 78, replace
> > >    this->Placer->ComputeWorldPosition( ren, displayPos, refWorldPos,
> > > worldPos, worldOrient );
> > > with
> > >    this->Placer->ComputeWorldPosition( ren, displayPos, worldPos,
> > > worldOrient );
> > >
> > > If so, please commit it.
> > >
> > > Thanks,
> > > Regards
> > > --
> > > karthik
> > >
> > > On 10/16/07, dean.inglis at camris.ca <dean.inglis at camris.ca> wrote:
> > > >
> > > > Hi,
> > > >
> > > > there were some changes made to vtkBoundedPointPlacer for the
> > > > new vtkParallelopipedWidget that does not appear to allow
> > > > for simple placement on bounded 2D planes and breaks the functionality
> > > > of vtkImageActorPointPlacer .  Can anyone verify by
> > > > drawing on an image with vtkContourWidget and then trying to move
> > > > the widget's handles.  See script below...
> > > >
> > > > Dean
> > > >
> > > >
> > > >
> > #------------------------------------------------------------------------------------
> > > > package require vtk
> > > > package require vtkinteraction
> > > >
> > > > # Start by loading some data.
> > > > #
> > > > vtkVolume16Reader v16
> > > >   v16 SetDataDimensions 64 64
> > > >   v16 SetDataByteOrderToLittleEndian
> > > >   v16 SetImageRange 1 93
> > > >   v16 SetDataSpacing 3.2 3.2 1.5
> > > >   v16 SetFilePrefix "$VTK_DATA_ROOT/Data/headsq/quarter"
> > > >   v16 Update
> > > >
> > > > # Display a y-z plane.
> > > > #
> > > > vtkImageViewer2 viewer
> > > >   viewer SetInput [v16 GetOutput]
> > > >   viewer SetSliceOrientationToXY
> > > >
> > > > vtkRenderWindowInteractor iren
> > > >   viewer SetupInteractor iren
> > > >
> > > >   vtkContourWidget ContourWidget
> > > >   ContourWidget KeyPressActivationOn
> > > >
> > > >   vtkOrientedGlyphContourRepresentation ContourRep
> > > >   ContourWidget SetRepresentation ContourRep
> > > >
> > > >   ContourWidget   SetInteractor iren
> > > >
> > > >
> > > >   #vtkImageActorPointPlacer placer
> > > >   #placer SetImageActor [ viewer GetImageActor ]
> > > >
> > > >   vtkBoundedPlanePointPlacer placer
> > > >
> > > >   placer DebugOn
> > > >
> > > >   ContourRep SetPointPlacer placer
> > > >
> > > > set bounds [[viewer GetImageActor] GetBounds]
> > > > set xmin [lindex $bounds 0]
> > > > set xmax [lindex $bounds 1]
> > > > set ymin [lindex $bounds 2]
> > > > set ymax [lindex $bounds 3]
> > > > set zmin [lindex $bounds 4]
> > > > set zmax [lindex $bounds 5]
> > > >
> > > >   placer SetProjectionNormalToZAxis
> > > >
> > > > set center [[viewer GetImageActor] GetCenter]
> > > > set c [lindex $center 2]
> > > >   placer SetProjectionPosition  $c
> > > >
> > > >   vtkPlane p1
> > > >   p1 SetOrigin $xmin $ymin $zmin
> > > >   p1 SetNormal 1.0 0.0 0.0
> > > >
> > > >   vtkPlane p2
> > > >   p2 SetOrigin $xmin $ymin $zmin
> > > >   p2 SetNormal 0.0 1.0 0.0
> > > >
> > > >   vtkPlane p3
> > > >   p3 SetOrigin $xmax $ymax $zmax
> > > >   p3 SetNormal -1.0 0.0 0.0
> > > >
> > > >   vtkPlane p4
> > > >   p4 SetOrigin $xmax $ymax $zmax
> > > >   p4 SetNormal 0.0 -1.0 0.0
> > > >
> > > >
> > > >   placer AddBoundingPlane p1
> > > >   placer AddBoundingPlane p2
> > > >   placer AddBoundingPlane p3
> > > >   placer AddBoundingPlane p4
> > > >
> > > >
> > > >
> > > >   [ContourRep GetLinesProperty] SetColor 0 0 1
> > > >   [ContourRep GetActiveProperty] SetColor 0 1 0
> > > >   [ContourRep GetProperty] SetColor 0 1 0
> > > >
> > > > iren AddObserver UserEvent {wm deiconify .vtkInteract}
> > > >
> > > > viewer Render
> > > >
> > > > ContourWidget On
> > > >
> > > >
> > > > # Prevent the tk window from showing up then start the event loop.
> > > > wm withdraw .
> > > > _______________________________________________
> > > > vtk-developers mailing list
> > > > vtk-developers at vtk.org
> > > > http://www.vtk.org/mailman/listinfo/vtk-developers
> > > >
> > >
> > >
> > >
> > > --
> > > Karthik Krishnan
> > > R&D Engineer,
> > > Kitware Inc.
> > >
> > >
> >
> 
>