Dear moon, Thanks! It works.
Wush 2015-06-10 21:22 GMT+08:00 moon soo Lee <m...@apache.org>: > Hi, > > I could make matplotlib work in Zeppelin with helper function > > %pyspark > import matplotlib.pyplot as plt > import StringIO > def show(p): > img = StringIO.StringIO() > p.savefig(img, format='svg') > img.seek(0) > print "%html <div style='width:600px'>" + img.buf + "</div>" > > Then it displays plot, like > %pyspark > show(plt) > > attaching a screenshot > > > Thanks, > moon > > On Tue, Jun 9, 2015 at 7:08 PM Wush Wu <w...@bridgewell.com> wrote: > >> Dear all, >> >> I am trying the materials of an online spark course in edX ( >> https://www.edx.org/course/introduction-big-data-apache-spark-uc-berkeleyx-cs100-1x). >> They use the ipython notebook to teach, and I want to test if zeppelin is >> as good as ipython notebook when using pyspark. >> >> However, the matplotlib does not work so far. The script and error >> message are: >> >> ``` >> %pyspark >> # Check matplotlib plotting >> import matplotlib.pyplot as plt >> import matplotlib.cm as cm >> from math import log >> >> # function for generating plot layout >> def preparePlot(xticks, yticks, figsize=(10.5, 6), hideLabels=False, >> gridColor='#999999', gridWidth=1.0): >> plt.close() >> fig, ax = plt.subplots(figsize=figsize, facecolor='white', >> edgecolor='white') >> ax.axes.tick_params(labelcolor='#999999', labelsize='10') >> for axis, ticks in [(ax.get_xaxis(), xticks), (ax.get_yaxis(), >> yticks)]: >> axis.set_ticks_position('none') >> axis.set_ticks(ticks) >> axis.label.set_color('#999999') >> if hideLabels: axis.set_ticklabels([]) >> plt.grid(color=gridColor, linewidth=gridWidth, linestyle='-') >> map(lambda position: ax.spines[position].set_visible(False), >> ['bottom', 'top', 'left', 'right']) >> return fig, ax >> >> # generate layout and plot data >> x = range(1, 50) >> y = [log(x1 ** 2) for x1 in x] >> fig, ax = preparePlot(range(5, 60, 10), range(0, 12, 1)) >> plt.scatter(x, y, s=14**2, c='#d6ebf2', edgecolors='#8cbfd0', alpha=0.75) >> ax.set_xlabel(r'$range(1, 50)$'), ax.set_ylabel(r'$\log_e(x^2)$') >> pass >> ``` >> >> (<class '_tkinter.TclError'>, TclError('no display name and no $DISPLAY >> environment variable',), <traceback object at 0x7fce51a925f0>) >> >> Is there any work around to use matplotlib in zeppelin so far? Or should >> I open an issue? >> >> Best, >> Wush >> >
