[vtkusers] Moving a glyph

[rakesh patil]

Hi,

i just added one statement here

this->Data->GetPoints()->SetPoint(this->SelectedPoint,
this->MoveActor->GetPosition());

*this->Data->Modified();*

this->GlyphFilter->Update();


and it works..

On Mon, Sep 20, 2010 at 8:19 AM, David Doria <daviddoria at gmail.com> wrote:

> I am attempting to modify the underlying data of an actor by glyphing
> a PolyData's points and then interacting with a specific glyph.
>
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Broken/Interaction/MoveAGlyph
>
> I trick the interactor into thinking a new object (MoveActor) is what
> it should be interacting with. I "spawns" a ghost glyph. When the
> interaction is complete (OnMiddleButtonUp) I try to update the
> underlying point in the data set. This update does work (the actual
> data point is changed), but the positions of the glyphs are not
> updated! Shouldn't the pipeline take care of this (since the polydata
> is connected to the glyphFilter which is connected to the mapper which
> is connected to the renderer)?
>
> Any comments on what I've done here?
>
> Thanks,
>
> David
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