[yt-users] Streamplot error

[Sushilkumar]

Dear yt:

I am getting the error as below while plotting streamplots. Could you let
me know what is causing this problem? drive link to my code
(yt_frb_streamplot.py) is also below.

https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc

Traceback (most recent call last):
  File "yt_frb_streamplot.py", line 67, in <module>
    plt.streamplot(X, Y, U, V, density=2,color='blue') # Here density
adjusts the density of streamlines
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/pyplot.py",
line 3339, in streamplot
    zorder=zorder)
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/axes/_axes.py",
line 4204, in streamplot
    zorder=zorder)
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/streamplot.py",
line 74, in streamplot
    grid = Grid(x, y)
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/streamplot.py",
line 261, in __init__
    assert np.allclose(x_row, x)
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/numpy/core/numeric.py",
line 2372, in allclose
    res = all(isclose(a, b, rtol=rtol, atol=atol, equal_nan=equal_nan))
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/numpy/core/numeric.py",
line 2453, in isclose
    return within_tol(x, y, atol, rtol)
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/numpy/core/numeric.py",
line 2436, in within_tol
    result = less_equal(abs(x-y), atol + rtol * abs(y))
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/yt/units/yt_array.py",
line 732, in __radd__
    lo = sanitize_units_add(self, left_object, "addition")
  File
"/state/partition1/anaconda/lib/python2.7/site-packages/yt/units/yt_array.py",
line 134, in sanitize_units_add
    raise YTUnitOperationError(op_string, inp.units, dimensionless)
yt.utilities.exceptions.YTUnitOperationError: The addition operator for
YTArrays with units (km) and (1) is not well defined.






On Tue, Aug 16, 2016 at 1:00 PM, <yt-users-request at lists.spacepope.org>
wrote:

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>    1. Re: conda install (John Regan)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 16 Aug 2016 15:34:48 +0100
> From: John Regan <johnanthonyregan at gmail.com>
> To: Discussion of the yt analysis package
>         <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] conda install
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> Content-Type: text/plain; charset="utf-8"
>
> perfect - thanks Nathan!
>
> On Mon, Aug 15, 2016 at 5:20 PM, Nathan Goldbaum <nathan12343 at gmail.com>
> wrote:
>
> >
> >
> > On Mon, Aug 15, 2016 at 11:18 AM, John Regan <johnanthonyregan at gmail.com
> >
> > wrote:
> >
> >> Hi All,
> >>
> >> Quick question on the conda install system.
> >>
> >> I'm sure this is very easy but when I update the source folder e.g.
> >> ~/ytfork/yt/analysis_modules/.....
> >> how do I then get that reflected in the yt-conda installation e.g. in
> >> ~/ytfork/doc/yt-conda/lib/.../analysis_modules?
> >>
> >> I could copy the "source" files directly into the "lib" directory but
> I'm
> >> guessing there is a better way?
> >>
> >
> > $ conda uninstall yt
> > $ pip uninstall yt
> > $ cd ~/ytfork/
> > $ python setup.py develop
> >
> > And now ~/ytfork/ will be the "active" installation.
> >
> >
> >>
> >>
> >> John
> >>
> >>
> >>
> >>
> >> _______________________________________________
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