[vtkusers] Layered Rendering? Example?

[John Eke]

Hi,

Could someone please briefly explain the basic concept behind layered rendering? whats the relationship between setting layers on renderers(eg renderer.SetLayer(0)) and adding multiple renderers to render windows (eg renderWindow.AddRenderer(renderer))? I ask because I had assumed adding renderers to a render window would automatically set the layers, or that somehow when adding renderers to a render window, you can specify the layer there (sort of like renderWindow.AddRenderer(renderer, 0)). So I guess I just need to be demystified a little bit.

Thanks

John
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