[Dune] Local Refinement in a DUNE Grid

[S. Swayamjyoti]

Hi,

If I know that a certain element can be refined n (n>1) times uniformly, I
can also tell that to* grid.mark( )* by calling *
grid.mark(n, element). *

Now, does this not hold true for UGGrid? Because when I try to mark my grid
by grid.mark(4, *it), I get an error while execution (not during
compilation) saying,

*DUNE ERROR: GridError: UGGrid only supports refCount values -1, 0, and 1
for mark( )!
*
Is it not implemented for UGGrid or is there a work-a-round?

Regards,
Swayam
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