[yt-users] Loading particles

[Nathan Goldbaum]

On Fri, Aug 26, 2016 at 12:16 PM, Ariadna Murguia <doggies012 at hotmail.com>
wrote:

> Dear yt users,
>
>
>
Hi Ariadna,


> I'm trying to load a set of particles (a bunch of particles, so I'm
> running it in the hyades cluster). I have their positions and velocities.
> What I'm doing is just defining a box as the domain of my simulation, the
> data as a dictionary of velocities and positions, and just saying
> yt.load_particles(data=data, bbox=bbox). I tried it for some particle files
> that I'm using, and it works, but for others, it crashes. I'm getting the
> following error:
>
>
> /pfs/sw/python/yt/yt-x86_64/src/yt-hg/yt/units/yt_array.py:793:
> RuntimeWarning: invalid value encountered in divide  return
> YTArray(super(YTArray, self).__div__(ro))
>
> /pfs/sw/python/yt/yt-x86_64/src/yt-hg/yt/utilities/math_utils.py:861:
> RuntimeWarning: invalid value encountered in arccos  return np.arccos(
> JdotCoords / np.sqrt(np.sum(coords**2,axis=0)) )
>
>
> These are just warnings, which might indicate that something is going
wrong but also might not.

When you say it crashes, how does it crash? Does it print any error message
or traceback? If so, can you share those?


> I tried it in my computer with less particles,and it works perfectly. Am I
> loading the particles wrong or is there a way to fix this error?
>
> Thank you very much in advance
>
>
> All the best,
>
> Ariadna
> ----------------
> Ariadna Murguia Berthier
> University of California, Santa Cruz
>
> Department of Astronomy and Astrophysics
>
>
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