[vtkusers] Mapper/Actor not updating

[Luke J West]

Quoting Eugene Dorfman <justadreamer2007 at gmail.com>:

> Use mapper->ImmediateModeRenderingOn(); should work fine.

Indeed it did. Thanks!

> Hi,
> 
> when I render an unstructured grid, then change the vtkPoints object it
> is based
> on, and re-render... the image is unchanged even though I ->UpdateData()
> the
> grid and ->Update() the Mapper. The only way I can get it to work is to
> destroy
> the Mapper. Does this suggest anything to anyone? Is there something
> else I
> might try updating?
> 
> Thanks, details follow
> 
> Luke
> 
> 
> UnstructuredGrid->SetPoints(Points);
> 
> DataSetMapper->SetInput(UnstructuredGrid);
> 
> Actor->SetMapper(Mapper);
> 
> RenderWindow->Render();
> 
> /*
>  change the point positions of the Points object here!!
>  */
> 
> Grid->UpdateData();
> Mapper->Update();
> 
> RenderWindow->Render(); // image is unchanged!!


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