[yt-users] Flash Particle files and DatasetSeries

[Nathan Goldbaum]

Could one of you open an issue to track this discussion?

I think passing keyword arguments through DatasetSeries wouldn't be very
hard.

On Thursday, March 3, 2016, Alex Hill <ashill at haverford.edu> wrote:

> Hi Josh,
>
> Yeah, this is the serial kludge that I’m now using, which works for my
> purposes: <http://paste.yt-project.org/show/6289/>. Sounds more or less
> like what you’re doing.
>
> I could help working on a proper implementation, but it’s probably not my
> first priority for yt-related development at the moment.
>
> Cheers,
>  Alex
>
> ---------
> Alex Hill
> Senior Postdoctoral Research Associate
> Office: KINSC Link L106
> Department of Astronomy, Haverford College
> 370 Lancaster Ave, Haverford, PA 19041 USA
> phone: +1 484 297 2136
> email/iMessage: ashill at haverford.edu <javascript:;>
>
> > On Mar 3, 2016, at 12:51, Joshua Wall <joshua.e.wall at gmail.com
> <javascript:;>> wrote:
> >
> > Dear Alex and Nathan,
> >
> >      I am also interested in this functionality. Initially I did some
> poking around trying to see how hard it might be, and decided the same as
> Nathan (not simple). I ended up using glob on the plot and particle file
> sets and then zipping them and using python's pool to analyze my data in
> parallel. If that might be of some use to you Alex, I'd be happy to share
> the code. Also I'm happy to try to take another look at this (or even just
> provide some test data if needed) as far as trying to implement the
> functionality, even though my understanding of yt (and matplotlib) under
> the hood is rather shallow and it therefore might take me some time to sort
> it out.
> >
> > Cordially,
> >
> > Josh
> >
> >
> > On Thu, Mar 3, 2016 at 11:21 AM Nathan Goldbaum <nathan12343 at gmail.com
> <javascript:;>> wrote:
> > Hi Alex,
> >
> > Looking at the DatasetSeries code, I don't think there's an easy way to
> do this right now.
> >
> > It would work if you could use the setup_function argument when you
> create the DatasetSeries, but I don't think there's a way to associate a
> particle filename with a dataset *after* it's been loaded.
> >
> > I see two ways forward here:
> >
> > 1. Make keyword arguments passed to the DatasetSeries initializer get
> passed to `load` when DatasetSeries invokes loads each individual dataset
> internally.
> >
> > 2. Make it possible to associate a particle file with a FLASH dataset
> after the dataset has been loaded.
> >
> > I think the first option would be more generally useful, but option 2
> might be useful for some FLASH users as well.
> >
> > Would you be interested in trying to get this to work? If not I can file
> an issue and try to get to it sometime soon...
> >
> > -Nathan
> >
> > On Thu, Mar 3, 2016 at 10:13 AM, Alex Hill <ashill at haverford.edu
> <javascript:;>> wrote:
> > Hi,
> >
> > I’d like to load particle files with a series of Flash files.
> >
> > If loading a single file, I can do
> >
> > d = yt.load(‘file_hdf5_plt_cnt_0100’,
> particle_filename=‘file_hdf5_part_0100’)
> >
> > I’d like to do something like
> >
> > ts = yt.DatasetSeries(‘file_hdf5_plt_cnt_0*0’,
> particle_filename=‘file_hdf5_part_0*0’)
> >
> > or load the particle files after the fact while iterating through the
> time series. Is this possible?
> >
> > Cheers,
> >  Alex
> >
> > ---------
> > Alex Hill
> > Senior Postdoctoral Research Associate
> > Office: KINSC Link L106
> > Department of Astronomy, Haverford College
> > 370 Lancaster Ave, Haverford, PA 19041 USA
> > phone: +1 484 297 2136
> > email/iMessage: ashill at haverford.edu <javascript:;>
> >
> >
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> > --
> > Joshua Wall
> > Doctoral Candidate
> > Department of Physics
> > Drexel University
> > 3141 Chestnut Street
> > Philadelphia, PA 19104
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>
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