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

Ken Martin ken.martin at kitware.com
Wed Oct 12 10:16:35 EDT 2016

You put the rotations into a vtkDataArray and put that DataArray into the
point data ala

polydata->GetPointData()->AddArray() or something similar.


On Wed, Oct 12, 2016 at 9:04 AM, Olivier Ameline <olivameline at gmail.com>

> Hello,
> Thanks for your replies.
> Indeed, I use too much actors and vtkGlyph3D or vtkGlyph3DMapper seems to
> be
> the solution to my problem.
> However, I don't see very well how to use it.
> Which class to use to compute the array of positions/orientations ?
> How to tell that one column gives the positions of the arrow source and the
> other gives the orientation ?
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