[vtkusers] "Instancing" geometry

[David E DeMarle]

Glyph filters can do it quite a bit more efficiently than can be done
with individual sources. But your usage may be incompatible.

See vtkGenericGlyph3DFilter for example.

cheers,
Dave

On Fri, Oct 10, 2008 at 2:54 PM, Gerrick Bivins
<gbivins at objectreservoir.com> wrote:
> Hi all,
> Does vtk have the concept of "instancing" of geometry?
> I'd like to create markers in my scene represented by a cone  where each
>  cone can differ in radius and height. I'm currently creating a
> vtkConeSource for each marker.
> Right now there aren't many markers (less than 30) and I'm seeing a
> performance hit if I increase the resolution of the cones to more than 10.
> Ideally, I could create a single cone geometry and then instance the other
> markers and size them accordingly. Is this type of functionality available
> in vtk?
> Gerrick
>
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