[yt-users] Runtime Warning

[Sushilkumar]

Dear yt:

Upon running a script I get the following warning, which does not occur for
other scripts. Could you let me know what this warning means and whether it
is a cause of concern?

/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_modifications.py:387:
RuntimeWarning: invalid value encountered in divide
  pixX /= nn
/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_modifications.py:388:
RuntimeWarning: invalid value encountered in divide
  pixY /= nn



Thanks in advance







On Sat, Feb 13, 2016 at 12:52 PM, <yt-users-request at lists.spacepope.org>
wrote:

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>    1. Re: Error in making light ray for a gadget dataset (Matthew Turk)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 12 Feb 2016 14:42:08 -0600
> From: Matthew Turk <matthewturk at gmail.com>
> To: Discussion of the yt analysis package
>         <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] Error in making light ray for a gadget dataset
> Message-ID:
>         <CALO3=5HRmi3919BJC9noCtCaS3BCV96==
> HDxO1qwamxgnNE2Mw at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Bili,
>
> Hm, I'm honestly not sure.  This looks like an oddity in the way the octree
> is being constructed in spatial dimensions.  Any chance you can reproduce
> this with a ray or ortho_ray object, which should simplify the number of
> moving parts?
>
> On Tue, Feb 9, 2016 at 2:04 PM, Bili Dong - Gmail <qobilidop at gmail.com>
> wrote:
>
> > Hi yt users,
> >
> > I'm trying to make a light ray for a gadget dataset using this script:
> > http://paste.yt-project.org/show/6234/
> >
> > But I get the following error:
> >
> > ```
> >
> > /Users/qobilidop/repos/yt/yt/geometry/geometry_handler.py in
> fcoords(self)    320             c = obj.select_fcoords(self.dobj)    321
>            if c.shape[0] == 0: continue--> 322
>  ci[ind:ind+c.shape[0], :] = c    323             ind += c.shape[0]    324
>        return ci
> > ValueError: could not broadcast input array from shape (81,3) into shape
> (40,3)
> >
> > ```
> >
> >
> > My yt is on the changeset d47150dfbde6.
> >
> >
> > I'm wondering if I'm doing it the correct way? And how could I solve the
> problem?
> >
> >
> > Thanks,
> >
> > Bili
> >
> >
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