[Dune] UGGrid BLUE refinement in 3D not working

[Kilian Weishaupt]

Dear Dune developers,

I'm having trouble with the BLUE refinement strategy of UGGrid. It works 
in 2D and the documentation
suggests that it also works in 3D. However, no refinement seems to take 
place here.
Attached is a minimal example which demonstrates the problem.
Is this a bug or have I made a mistake somewhere?

Best regards
Kilian

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Kilian Weishaupt M.Sc.
Institut für Wasser- und Umweltsystemmodellierung (IWS)
Lehrstuhl für Hydromechanik und Hydrosystemmodellierung
Universität Stuttgart, Pfaffenwaldring 61, 70569 Stuttgart
Email: kilian.weishaupt at iws.uni-stuttgart.de
Telefon: 0049 711 685-60461 ** fax: 0049-711-685-60430
http://www.hydrosys.uni-stuttgart.de
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