Jason Daly wrote:
> 
> Is the per-vertex data something you can fit in a float or 
> Vec2/Vec3/Vec4?  If so, how about just a generic vertex attribute?

So I can add any arbitrary arrays to _vertexAttribList without affecting the 
drawables?


> The extra meta-data can be attached using the setUserData() method (look at 
> osg/Object). 

Thanks - I though I had seen a userdata field in the debugger but I couldn't 
find it in any of the Nodes - I forgot about 'Object'

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