[yt-users] cut region vs. projection?

[David Collins]

Perfect, thanks, Britton!

d.


On Mon, Apr 22, 2013 at 6:20 PM, Britton Smith <brittonsmith at gmail.com>wrote:

> 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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