[yt-dev] problem with disk data container and related fields in yt-3.0

[Matthew Turk]

Hi Britton,

On Tue, Aug 12, 2014 at 7:30 AM, Britton Smith <brittonsmith at gmail.com> wrote:
> Hi all,
>
> Some issues seem to have cropped up in the disk data container in yt-3.0.  I
> made a disk object in a periodic simulation in the following way:
> http://paste.yt-project.org/show/5021/
>
> I then made a project of the "cylindrical_z" field, which yielded the
> following:
> http://i.imgur.com/0XSv5Zs.png
>
> For reference, the domain is ~45 Mpc in length on a side, so the sphere
> should be just the object at the bottom, extending a little less than
> halfway up.  I don't know what that top part is about.  My guess is that
> it's an issue with periodicity.

Yes, looks like it to me.

>
> Secondly, I made a similar projection of the "cylindrical_r" field, which
> gave this:
> http://i.imgur.com/h8SEJp8.png
>
> As you can see, it is not symmetric as one would expect.  For reference,
> this is what I get from yt-2.x:
> http://i.imgur.com/O1xT9MI.png
> This is what I would expect.

Are you doing a MIP projection here?  Could you do a MIP projection so
we can compare?

It almost looks to me like the center is set incorrectly.

>
> Does anyone have any insight on this?
>
> Britton
>
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