[Carpet] using IO*::one_file_per_group

[Thomas Radke]

Peter Diener wrote:
> Hi,
> 
> That would be a useful feature indeed.
> 
> In addition it would also be nice to be able to specify different 
> out_every values to different variables. For example when we decompose 
> psi4 into spherical harmonics we output a 2d grid array. I typically want 
> to do that more often than 2d ouput of 3d grid functions.

That you can do already via option strings attached to group/variable 
names, like this:

   IOASCII::out_every   = 100
   IOASCII::out1D_every = "admbase::metric admbase::lapse{ out_every = 10 }"

The same I would do for outputting one file per variable/group.

-- 
Cheers, Thomas.