On Thu, Aug 18, 2016 at 2:03 PM, Sushilkumar
Dear Nathan:
I am still getting the same error and the changes.
https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc
I guess you also need to cast X and Y to ndarray.
/state/partition1/anaconda/lib/python2.7/site-packages/numpy/lib/nanfunctions.py:338: RuntimeWarning: All-NaN axis encountered warnings.warn("All-NaN axis encountered", RuntimeWarning) /state/partition1/anaconda/lib/python2.7/site-packages/numpy/lib/nanfunctions.py:239: RuntimeWarning: All-NaN axis encountered warnings.warn("All-NaN axis encountered", RuntimeWarning) yt : [WARNING ] 2016-08-18 13:45:25,092 Plot image for field ('gas', 'cutting_plane_velocity_x') is filled with NaNs. yt : [WARNING ] 2016-08-18 13:45:25,092 Switching to linear colorbar scaling. Traceback (most recent call last): File "yt_frb_streamplot.py", line 66, in <module> plt.streamplot(X, Y, np.array(U), np.array(V), density=2,color='blue') 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 Thu, Aug 18, 2016 at 1:11 PM,
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Today's Topics:
1. Streamplot error (Sushilkumar) 2. Re: Streamplot error (Nathan Goldbaum)
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Message: 1 Date: Thu, 18 Aug 2016 13:03:05 -0500 From: Sushilkumar
To: Discussion of the yt analysis package Subject: [yt-users] Streamplot error Message-ID: Content-Type: text/plain; charset="utf-8" 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/matp lotlib/pyplot.py", line 3339, in streamplot zorder=zorder) File "/state/partition1/anaconda/lib/python2.7/site-packages/matp lotlib/axes/_axes.py", line 4204, in streamplot zorder=zorder) File "/state/partition1/anaconda/lib/python2.7/site-packages/matp lotlib/streamplot.py", line 74, in streamplot grid = Grid(x, y) File "/state/partition1/anaconda/lib/python2.7/site-packages/matp lotlib/streamplot.py", line 261, in __init__ assert np.allclose(x_row, x) File "/state/partition1/anaconda/lib/python2.7/site-packages/nump y/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/nump y/core/numeric.py", line 2453, in isclose return within_tol(x, y, atol, rtol) File "/state/partition1/anaconda/lib/python2.7/site-packages/nump y/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/u nits/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/u nits/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,
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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
To: Discussion of the yt analysis package Subject: Re: [yt-users] conda install Message-ID: Content-Type: text/plain; charset="utf-8" perfect - thanks Nathan!
On Mon, Aug 15, 2016 at 5:20 PM, Nathan Goldbaum
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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Message: 2 Date: Thu, 18 Aug 2016 13:10:08 -0500 From: Nathan Goldbaum
To: Discussion of the yt analysis package Subject: Re: [yt-users] Streamplot error Message-ID: Content-Type: text/plain; charset="utf-8" In your script, where you have:
plt.streamplot(X, Y, U, V, density=2,color='blue')
replace that with:
plt.streamplot(X, Y, np.array(U), np.array(V), density=2,color='blue')
U and V have units attached, but streamplot doesn't know about yt's unit system, so you need to make sure they're plain old ndarrays (with no units) before passing them to matplotlib.
On Thu, Aug 18, 2016 at 1:03 PM, Sushilkumar
wrote: 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/matp lotlib/pyplot.py", line 3339, in streamplot zorder=zorder) File "/state/partition1/anaconda/lib/python2.7/site-packages/matp lotlib/axes/_axes.py", line 4204, in streamplot zorder=zorder) File "/state/partition1/anaconda/lib/python2.7/site-packages/matp lotlib/streamplot.py", line 74, in streamplot grid = Grid(x, y) File "/state/partition1/anaconda/lib/python2.7/site-packages/matp lotlib/streamplot.py", line 261, in __init__ assert np.allclose(x_row, x) File "/state/partition1/anaconda/lib/python2.7/site-packages/nump y/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/nump y/core/numeric.py", line 2453, in isclose return within_tol(x, y, atol, rtol) File "/state/partition1/anaconda/lib/python2.7/site-packages/nump y/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/u nits/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/u nits/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,
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Today's Topics:
1. Re: conda install (John Regan)
----------------------------------------------------------------------
Message: 1 Date: Tue, 16 Aug 2016 15:34:48 +0100 From: John Regan
To: Discussion of the yt analysis package Subject: Re: [yt-users] conda install Message-ID: 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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