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@lists.spacepope.org> wrote:
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Today's Topics:

   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@gmail.com>
To: Discussion of the yt analysis package
        <yt-users@lists.spacepope.org>
Subject: Re: [yt-users] conda install
Message-ID:
        <CABzd+TFisnpj44UZ3NUQ4HnEHNAuS_iQR+LzM2YRU_a9DntX=Q@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

perfect - thanks Nathan!

On Mon, Aug 15, 2016 at 5:20 PM, Nathan Goldbaum <nathan12343@gmail.com>
wrote:

>
>
> On Mon, Aug 15, 2016 at 11:18 AM, John Regan <johnanthonyregan@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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>> yt-users@lists.spacepope.org
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>>
>>
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