[yt-users] Cut Region Failure

[Nathan Goldbaum]

Hi Jason,

Unfortunately no. I think I might be able to come back to this issue
soonish, we're going to be introducing a new fast periodic KDTree which
could be exploited here.

For now I think you're going to need to make this plot in a different way,
without using a cut_region. Perhaps by overplotting contours?

Nathan

On Saturday, October 1, 2016, Jason Galyardt <jason.galyardt at gmail.com>
wrote:

> Hi Nathan,
>
> Is there a previous version of yt in which compound cut regions work?
>
> Thanks,
> Jason
>
> -----
>
> Hi Jason,
>
> This is a known issue:
>
> https://bitbucket.org/yt_analysis/yt/issues/941/cutregionsel
> ector-doesnt-work-with-some
>
> Unfortunately fixing it will require a modification to the cut_region
> implementation to do a better job of searching for cells that belong to the
> region for chained selectors.
>
> -Nathan
>
> On Fri, Sep 30, 2016 at 1:25 PM, Jason Galyardt <jason.galyardt at gmail.com
> <javascript:_e(%7B%7D,'cvml','jason.galyardt at gmail.com');>> wrote:
> Dear all,
>
> I would like to generate a compound cut region for a FLASH simulation, but
> the output I'm getting is odd. I've pasted my simple script here:
>
> http://paste.yt-project.org/show/6839/
>
> It loads a simulation file, creates a compound cut_region (1e4 K < T < 1e6
> K), and applies it to a slice plot. The resulting image is banded, as you
> can see by the attached plots. Am I missing something, or is this a problem
> related to yt?
>
> FYI, I get the same behavior when I use a projection plot or only one of
> the conditionals (e.g. T < 1e6 K). I've tried both the stock 3.3.1 version,
> as well as the self-contained development version that I installed earlier
> this afternoon using install_script.sh. Let me know if any other info is
> useful.
>
> Cheers,
> Jason
>
>
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