[yt-dev] Vertex-centred AMR data?

[Nathan Goldbaum]

On Tuesday, November 10, 2015, Erik Schnetter <schnetter at gmail.com> wrote:

> I have implemented a front-end for cell-centred Cactus AMR data.
>
>
Awesome! We'd love to have this in the public distribution of yt.


>
> However, many Cactus simulations use vertex-centred AMR. That is, data is
> stored at the vertices of a grid (not in the cells), and coarse vertices
> are at the same locations as fine vertices.
>
> How do I present such data to yt? Do I need to set grid coordinates
> differently, or is there a "vertex centred" flag?
>
> When vertex-centred data are displayed, then I expect either a "control
> volume" around each vertex to have the same value, or to use e.g. linear
> interpolation in the cells from the respective boundaries.
>

We don't have good support for vertex-centered AMR data. I think Matt would
have a better idea of what approaches we might take here.


>
> -erik
>
> --
> Erik Schnetter <schnetter at gmail.com
> <javascript:_e(%7B%7D,'cvml','schnetter at gmail.com');>>
> http://www.perimeterinstitute.ca/personal/eschnetter/
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.spacepope.org/pipermail/yt-dev-spacepope.org/attachments/20151110/e4c47bd8/attachment.html>