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How to work with isosurfaces
You can download example source code for this HowTo here.
Before reading this HowTo, it may be helpful to read The relation between Content and Universe.
When a Content is displayed as an isosurface, its ContentNode is of type MeshGroup. Since MeshGroup offers no additional functionality, than what can done with any Content, there is actually no reason under normal circumstances to retrieve a MeshGroup (although, it can be done of course).
