Please check my previous reply. On Fri, Sep 16, 2016, 20:11 afancy <grou...@gmail.com> wrote:
> Hi, > > Has this problem been solved? I also encountered the same problem (see the > following). I build from the source pulled from the Master branch. > > /afancy > > %python plt.figure() plt.plot(x, f(x), lw=2) z.show(plt, width='500px') > plt.close() > > raceback (most recent call last): > File "<stdin>", line 1, in <module> > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 423, in > figure > **kwargs) > File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", > line 79, in new_figure_manager > return new_figure_manager_given_figure(num, figure) > File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", > line 87, in new_figure_manager_given_figure > window = Tk.Tk() > File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1767, in __init__ > self.tk = _tkinter.create(screenName, baseName, className, interactive, > wantobjects, useTk, sync, use) > _tkinter.TclError: no display name and no $DISPLAY environment variable > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 2980, in > plot > ax = gca() > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 803, in gca > ax = gcf().gca(**kwargs) > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 450, in gcf > return figure() > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 423, in > figure > **kwargs) > File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", > line 79, in new_figure_manager > return new_figure_manager_given_figure(num, figure) > File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", > line 87, in new_figure_manager_given_figure > window = Tk.Tk() > File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1767, in __init__ > self.tk = _tkinter.create(screenName, baseName, className, interactive, > wantobjects, useTk, sync, use) > _tkinter.TclError: no display name and no $DISPLAY environment variable > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > File "<stdin>", line 22, in show > File "<stdin>", line 63, in show_matplotlib > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 560, in > savefig > fig = gcf() > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 450, in gcf > return figure() > File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 423, in > figure > **kwargs) > File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", > line 79, in new_figure_manager > return new_figure_manager_given_figure(num, figure) > File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", > line 87, in new_figure_manager_given_figure > window = Tk.Tk() > File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1767, in __init__ > self.tk = _tkinter.create(screenName, baseName, className, interactive, > wantobjects, useTk, sync, use) > _tkinter.TclError: no display name and no $DISPLAY environment variable > > On Thu, Sep 15, 2016 at 3:16 AM, Xi Shen <davidshe...@gmail.com> wrote: > >> I think I found the cause. I think it is font problem. In docker >> environment, it only has a small set of fonts installed. But I have not >> find out which font should I install...I will update you guys later. >> >> On Thu, Sep 15, 2016, 00:33 moon soo Lee <m...@apache.org> wrote: >> >>> Tried x = np.arange(100), x = np.linspace(-2,2,1000) with both python2 >>> and python3 in %python interpreter. I don't have any problem. >>> >>> >>> On Wed, Sep 14, 2016 at 3:12 AM Xi Shen <davidshe...@gmail.com> wrote: >>> >>>> OK, for this problem, it is discussed at >>>> https://stackoverflow.com/questions/15538099/conversion-of-unicode-minus-sign-from-matplotlib-ticklabels >>>> >>>> However, I just tried with Jupyter notebook, and its matplotlib can >>>> plot with negative values on the axes correctly, and >>>> matplotlib.rcParams['axes.unicode_minus'] = True. >>>> >>>> Can you guys please check if this only happens to a Python3 >>>> environment? I don't think I am the first one hit this problem. >>>> >>>> >>>> >>>> On Wed, Sep 14, 2016 at 5:49 PM Xi Shen <davidshe...@gmail.com> wrote: >>>> >>>>> Hi, >>>>> >>>>> I worked it out...So I have start a new instance of >>>>> Zeppelin...creating a new notebook wont take effect...So all the Python >>>>> code are executed in one python vm? Shouldn't separating ones are better? >>>>> >>>>> After I get matplotlib work, I have a new problem. >>>>> >>>>> This code snippet works >>>>> %python >>>>> >>>>> import numpy as np >>>>> import matplotlib.pyplot as plt >>>>> >>>>> x = np.arange(100) >>>>> >>>>> plt.figure() >>>>> plt.plot(x, x**2) >>>>> z.show(plt, width='300px') >>>>> plt.close() >>>>> >>>>> But if I change x value to x= np.linspace(-2, 2, 1000), as it it used >>>>> in the example, I got >>>>> >>>>> <matplotlib.figure.Figure object at 0x7fa177d197b8> >>>>> [<matplotlib.lines.Line2D object at 0x7fa177ecf080>] >>>>> >>>>> Traceback (most recent call last): >>>>> File "<stdin>", line 1, in <module> >>>>> File "<stdin>", line 23, in show >>>>> File "<stdin>", line 69, in show_matplotlib >>>>> UnicodeEncodeError: 'ascii' codec can't encode character '\u2212' in >>>>> position 17262: ordinal not in range(128) >>>>> >>>>> I did some testing, and I found if any of the value passed to plot() >>>>> contains negative numbers, I will get this error...very odd. >>>>> >>>>> >>>>> >>>>> On Wed, Sep 14, 2016 at 8:50 AM Felix Cheung < >>>>> felixcheun...@hotmail.com> wrote: >>>>> >>>>>> And >>>>>> matplotlib.use('Agg') >>>>>> >>>>>> Would only work before matplotlib is first used so you would need to >>>>>> restart the interpreter. From error stack below it looks like something >>>>>> might be setting the default backend in matplotlib to TkAgg though. >>>>>> >>>>>> Are you using the Python interpreter or PySpark interpreter? Also how >>>>>> you are calling matplotlib like Moon asks? >>>>>> >>>>>> _____________________________ >>>>>> From: moon soo Lee <m...@apache.org> >>>>>> Sent: Tuesday, September 13, 2016 2:34 PM >>>>>> Subject: Re: Matplotlib uses tkinter instead of Agg >>>>>> To: <users@zeppelin.apache.org> >>>>>> >>>>>> >>>>>> >>>>>> Hi, >>>>>> >>>>>> Thanks for sharing the problem. >>>>>> Could you share which version of Zeppelin are you using and how did >>>>>> you try matplotlib inside of Zeppelin? Are you trying matplotlib >>>>>> with z.show() ? >>>>>> >>>>>> Thanks, >>>>>> moon >>>>>> >>>>>> On Tue, Sep 13, 2016 at 1:56 AM Xi Shen <davidshe...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> I want to build a Zeppelin docker image for my self. The docker >>>>>>> image is based on ubuntu:wily, and has openjdk-8-jre and python3 >>>>>>> installed. >>>>>>> I also installed other packages that I need. >>>>>>> >>>>>>> After started Zeppelin in the docker, I am able to access the webapp >>>>>>> from my local browser. I tried to execute some simple Python script, >>>>>>> and it >>>>>>> works fine. But when I try to run the matplotlib example, I got error >>>>>>> saying that tkinter cannot find the $DISPLAY. >>>>>>> >>>>>>> Traceback (most recent call last): >>>>>>> File "<stdin>", line 1, in <module> >>>>>>> File "/usr/local/lib/python3.4/dist-packages/matplotlib/pyplot.py", >>>>>>> line 535, in figure >>>>>>> **kwargs) >>>>>>> File >>>>>>> "/usr/local/lib/python3.4/dist-packages/matplotlib/backends/backend_tkagg.py", >>>>>>> line 84, in new_figure_manager >>>>>>> return new_figure_manager_given_figure(num, figure) >>>>>>> File >>>>>>> "/usr/local/lib/python3.4/dist-packages/matplotlib/backends/backend_tkagg.py", >>>>>>> line 92, in new_figure_manager_given_figure >>>>>>> window = Tk.Tk() >>>>>>> File "/usr/lib/python3.4/tkinter/__init__.py", line 1859, in __init__ >>>>>>> self.tk = _tkinter.create(screenName, baseName, className, >>>>>>> interactive, wantobjects, useTk, sync, use) >>>>>>> _tkinter.TclError: no display name and no $DISPLAY environment >>>>>>> variable >>>>>>> >>>>>>> Some people on the Internet suggested adding matplotlib.use('Agg') >>>>>>> at the beginning of the notebook, but it still does not work for me. >>>>>>> >>>>>>> -- >>>>>>> >>>>>>> >>>>>>> Thanks, >>>>>>> David S. >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>> >>>>> >>>>> Thanks, >>>>> David S. >>>>> >>>> -- >>>> >>>> >>>> Thanks, >>>> David S. >>>> >>> -- >> >> >> Thanks, >> David S. >> > > -- Thanks, David S.
