[yt-users] Data Objects across simulation files

[Matthew Turk]

Hi Jason,

Right now, this is best done via the time series ... but it's also one
of my favorite feature requests.  It would be really fun to implement,
I think.

On Tue, Oct 18, 2016 at 10:55 AM, Jason Galyardt
<jason.galyardt at gmail.com> wrote:
> Dear yt-users,
>
> Does anyone know whether it's possible to define a data object using one
> simulation file (an AMR grid simulation -- FLASH) and then apply that
> physical selection region to another simulation file (representing a
> different time in the same simulation)?
>
> For example, I'd like construct a cut_region data object using, say,
> temperature and density to select a particular feature at time t_n; I would
> then like to look at the gas in this same physical region at time t_m, where
> t_m < t_n. I assume that this would require somehow converting a collection
> of cells making up the cut_region from time t_n to a description of a
> (complex) geometrical selection, then applying this geometrical selection to
> the data file from time t_m. The caveat here is that the cells in the
> selected region may have time-varying levels of refinement.
>
> This seems like a non-trivial feature to implement, so I thought I'd ask
> whether it's already available.
>
> Cheers,
> Jason
>
> ------
> Jason Galyardt
> University of Georgia
>
>
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