[Users] question on GRHydro atmosphere mask

Hello people.

I've been using (a version of) GRHydro for a while and I was wondering if you know what motivated the use of an atmosphere mask. I understand that this is useful to set atmosphere states between mesh refinement levels, but I'd like to know if you've seen problems before just resetting locally to atmosphere.

Thanks!!

Luc.

--- *Dr. Luciano Combi* Postdoctoral Researcher Perimeter Institute for Theoretical Physics CITA National Fellow (U. of Guelph) ---