[vtkusers] How to view point cloud as a set of spheres or splats with acceptable performance?

[Junjie Cao]

Dear David and Lynx,

> I don't know about how to improve performance, but this will draw an
> object at every point:

http://www.vtk.org/Wiki/VTK/Examples/vtkGlyph3D

Thank you. This is what I want (individual  objects  for  each  point), and
the performance is acceptable.

Cheers!
JJCAO
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