[vtkusers] VTK slow to display 300 vtkArrowSource in real-time

David Lonie david.lonie at kitware.com
Thu Oct 13 11:50:17 EDT 2016

On Thu, Oct 13, 2016 at 11:27 AM, Olivier Ameline <olivameline at gmail.com>

> Thanks Dave.
> This solution works well, but is there a means to have "zoomable" labels ?
> At the moment, the labels size isn't changed when I zoom in the view.

Not that I'm aware of. Since vtkLabeledDataMapper renders 2D overlay text,
it's not aware of depth at all. It could be done by writing a similar
mapper that uses the new vtkBillboardTextActor3D class instead of
vtkTextMapper under-the-covers, but this doesn't exist yet (AFAIK).

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