It is, but it's a bit DIY and will require incompatible changes that then require recompilation. The covering grid machinery is written in C, usign the Python/C API. So you have to modify the initialization of the empty (zero) grids in Python code in yt/data_objects/data_containers.py, and then again in yt/utilites/data_point_utilities.c in the FillRegion section.
It might be easier to do it piecewise over the domain and then down-convert manually.
On Tue, Apr 5, 2011 at 4:58 PM, david collins email@example.com wrote:
I'm trying to work with come covering grids, extracted at the root grid resolution of a 512^3 sim. I'm on a somewhat memory bound machine (6 gig total).
My data is in double precision, but I'd like to be working in single, as I'm getting memory bound by the things I want to be doing. Is it possible to get the covering grid machinery to force the work to be done in single precision?
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