René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Too small axis arrow when savefig to png","articleBody":"Hello!\r\n\r\nMy code:\r\n\r\n```python\r\nimport matplotlib as mpl\r\nimport matplotlib.pyplot as plt\r\nfrom mpl_toolkits.axes_grid.axislines import SubplotZero\r\n\r\nfig = plt.figure()\r\nax = SubplotZero(fig, 111)\r\n_ = fig.add_subplot(ax)\r\n\r\nfor direction in [\"xzero\", \"yzero\"]:\r\n    ax.axis[direction].set_visible(True)\r\n    ax.axis[direction].set_axisline_style(\"-\u003e\")\r\nfor direction in [\"top\", \"bottom\", \"left\", \"right\"]:\r\n    ax.axis[direction].set_visible(False)\r\nax.axis[\"yzero\"].set_axis_direction(\"left\")\r\nax.grid(True)\r\nax.minorticks_on()\r\n\r\nplt.plot([0,1], [0,1], c=\"blue\", lw=2)\r\n_ = plt.title(\"График\")\r\n_ = plt.xlabel(\"Ось x\")\r\n_ = plt.ylabel(\"Ось y\")\r\n\r\nfor ext in ['png', 'svg', 'pdf']:\r\n    plt.savefig(\"test_chart.\"+ext)\r\nplt.show()\r\nplt.close()\r\n```\r\n\r\nMy matplotlibrc file in `MPLCONFIGDIR`:\r\n\r\n```\r\nxtick.labelsize: 14.0  \r\nytick.labelsize: 14.0  \r\naxes.titlesize: 20.0   \r\naxes.labelsize: 16     \r\nlegend.fontsize: 12    \r\naxes.grid: True        \r\nfont.family: Roboto   # I copied roboto font to matplotlib font folder\r\nfont.style: italic\r\nfont.size: 14 \r\nfigure.figsize: 12, 8 \r\n\r\nsavefig.dpi: 300 \r\nsavefig.format: png\r\nsavefig.bbox: tight \r\n\r\nanimation.writer : ffmpeg_file\r\nanimation.ffmpeg_path: ffmpeg \r\nanimation.codec: h264 \r\n# animation.html : html5 \r\n```\r\n\r\nI works on Windows 8.1 64bit. I use `Python 3.5.2 |Continuum Analytics, Inc.| (default, Jul  5 2016, 11:41:13) [MSC v.1900 64 bit (AMD64)] on win32` in environmet, created with conda.\r\nMatplotlib version is 1.5.3\r\n\r\nWhen I see files created with matplotlib I  see that arrows on axis ends are normal in svg and pdf files but too small in png file.\r\n\r\nIn svg file:\r\n\r\n![arrow_on_svg](https://cloud.githubusercontent.com/assets/7497378/20462983/9af03b62-af3a-11e6-8400-9607a936b55a.png)\r\n\r\nIn png file:\r\n\r\n![arrow_on_png](https://cloud.githubusercontent.com/assets/7497378/20462987/a8e4dd4a-af3a-11e6-869b-0fff5b202577.jpg)\r\n\r\nMaybe it's bug.\r\n\r\nBest regards, Andrey.","author":{"url":"https://github.com/AndreWin","@type":"Person","name":"AndreWin"},"datePublished":"2016-11-20T13:04:31.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":13},"url":"https://github.com/7489/matplotlib/issues/7489"}