[vtkusers] display tens of thousands of cubes

[David Doria]

On Tue, Feb 7, 2012 at 12:01 PM, Alex Southern <mrapsouthern at gmail.com>wrote:

>  I made the changes using the vtkAppendPolyData approach, see code below.
>
> This did improve the interaction alot, but it was still a little slugish.
> Is this because I implemented badly?
>
> Thanks
> Alex
>

It looks fine. I'd try one of the glyph methods that was suggested to
compare the speed. Here is an example of David DeMarle's suggestion:

http://www.vtk.org/Wiki/VTK/Examples/Cxx/Filtering/Glyph3D

And Bryn's suggestion:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/Glyph3DMapper

David
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