[yt-users] Data around boundaries

[Lu, Yinghe]

Looks like it's still an open issue. I'll try to go around with it as of now but can we update the documentation about it?


________________________________
From: yt-users [yt-users-bounces at lists.spacepope.org] on behalf of Nathan Goldbaum [nathan12343 at gmail.com]
Sent: 03 July 2017 18:44
To: Discussion of the yt analysis package
Subject: Re: [yt-users] Data around boundaries

I think you are running into this issue:

https://github.com/yt-project/yt/issues/1209

In principle the covering grid should respect the underlying periodic boundary condition, but it doesn't currently do that.

On Mon, Jul 3, 2017 at 6:31 PM, Lu, Yinghe <ylv4 at illinois.edu<mailto:ylv4 at illinois.edu>> wrote:

Hi yt-ers,

     This may seem a stupid question but I haven't found anything in the documentation that explains it in detail. How does yt deal with accessing data outside the domain boundaries? For example, I notice that, if creating a sphere around domain left edge yt by default wraps around to the opposite edge of the domain assuming a periodic boundary condition and access data from there, while it doesn't do so for covering grids.  Is there an option I can decide if I want to wrap around the domain or not based on the boundary condition that I am using?

    Thanks!

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