[yt-users] cut region vs. projection?
Britton Smith
brittonsmith at gmail.com
Mon Apr 22 17:20:39 PDT 2013
Hi Dave,
You can use the field_cuts keyword for just such a thing. You can supply
multiple strings to be eval'ed in a list. For example,
proj = pf.h.proj(0, 'Density', field_cuts=['grid["Density"] > 0.1',
'grid["Density"] < 0.2'])
Of course, you could also use one long string connected with ands. This
may not be documented, but certainly should be.
Britton
On Mon, Apr 22, 2013 at 6:00 PM, David Collins <dcollins4096 at gmail.com>wrote:
> Hi, all--
>
> Can I hand a cut_region to a projection?
>
> I want to make a bunch of projections based on parameters, and don't want
> to have to instantiate 47 different fields. I'm hoping something like
>
> region = pf.h.all_data().cut_region('grid["Density"] > 0.1 and
> grid["Density"] < 0.2')
> proj = pf.h.proj(0,"Density",region=cut_region)
>
> or something like that. Is that possible? I'm poking around the help and
> source, but no method immediately popped out at me.
>
> Thanks,
> d.
>
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>
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