[yt-users] Particles in FLASH output

[Nathan Goldbaum]

On Tue, Apr 28, 2015 at 11:37 AM, Nathan Goldbaum <nathan12343 at gmail.com>
wrote:

>
>
> On Tue, Apr 28, 2015 at 11:36 AM, Jason Galyardt <jason.galyardt at gmail.com
> > wrote:
>
>> Hi all,
>>
>> I'm sure I've just overlooked some bit of documentation, but I'm having
>> trouble plotting particles generated by FLASH on top of the gas density.
>> I've been able to load a plot file with the associated particle file via
>>
>> ds = yt.load(plotfileName, particle_filename=partfileName)
>>
>>
>> However, when I try to create a projection and annotate the particles with
>>
>> p = yt.ProjectionPlot(ds, "y", "density")
>> p.annotate_particles(1.0)                      # ValueError!
>> # p.annotate_particles((4.0, 'kpc'))         # ValueError!
>>
>>
> Can you pastebin the full error traceback?  Which yt version are you using?
>

Forgot to mention that you can get precise version information by executing
"yt version" at the bash command line.


>
>
>> I get a ValueError from h5py indicating that zero-length selections are
>> not allowed. I have also tried passing the full width of the simulation
>> domain to the annotation function without success. I suspect that this is a
>> user error stemming from differences between the way that Enzo and FLASH
>> store particle data. However, I can't find much in the way of documentation
>> or examples for the FLASH particle data format.
>>
>> Of course, it would also be handy to be able to write my own analysis
>> scripts using both gas and particles, but for now, I'll settle for any help
>> I can get on simple plotting functionality.
>>
>> Thanks,
>>
>> Jason Galyardt
>> Department of Physics and Astronomy
>> University of Georgia
>>
>>
>> _______________________________________________
>> yt-users mailing list
>> yt-users at lists.spacepope.org
>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>
>>
>
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