René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Patches cannot be picked when y-axis has logarithmic scaling","articleBody":"\u003c!--To help us understand and resolve your issue, please fill out the form to the best of your ability.--\u003e\r\n\u003c!--You can feel free to delete the sections that do not apply.--\u003e\r\n\r\n### Bug report\r\n**Bug summary**\r\nWhen plotting with a logarithmic scale on the y-axis, patches have incorrect picking behaviour.\r\n\r\nText seems to work correctly, but FancyArrowPatch cannot be picked at all and the pick area for circles is very far off to the left.\r\n\r\n**Code for reproduction**\r\nMake sure to uncomment the scaling line if you want to see the bug!\r\n```python\r\nfrom __future__ import print_function\r\n\r\nfrom matplotlib import pyplot as plt\r\nfrom matplotlib import patches\r\nfrom matplotlib import text\r\n\r\n\r\ndef pick_event(event):\r\n    print(\"PICK\", event.artist)\r\n\r\n\r\ndef main():\r\n    fig = plt.figure()\r\n    axes = fig.add_subplot(111)\r\n\r\n    # Uncommenting this makes picking break for the patches.\r\n    # The circle will have a wierd selection box to the left side of the plot,\r\n    # and the line will not be selectable at all.\r\n    # axes.set_yscale('log')\r\n    axes.set_xlim((0, 5))\r\n    axes.set_ylim((1e-1, 10))\r\n\r\n    # Add an arrow.\r\n    arrow = patches.FancyArrowPatch(\r\n        (3, 2),\r\n        (4, 3),\r\n    )\r\n    arrow.set_picker(4)\r\n    axes.add_patch(arrow)\r\n\r\n    # Add a circle.\r\n    circle = patches.Circle(xy=(1.90, 0.5), radius=0.1)\r\n    circle.set_picker(4)\r\n    axes.add_patch(circle)\r\n\r\n    # Add some text.\r\n    text_ = text.Text(1, 1, 'text')\r\n    text_.set_picker(4)\r\n    axes.add_artist(text_)\r\n\r\n    # Connect the pick event and show the plot.\r\n    fig.canvas.mpl_connect('pick_event', pick_event)\r\n    plt.show()\r\n\r\n\r\nif __name__ == '__main__':\r\n    main()\r\n```\r\n\r\n**Actual outcome**\r\nOnly the text is properly pickable.\r\n\r\n**Expected outcome**\r\nEverything should be properly pickable.\r\n\r\n**Matplotlib version**\r\n  * Operating System:\r\n```\r\n$ lsb_release -a\r\nNo LSB modules are available.\r\nDistributor ID:\tUbuntu\r\nDescription:\tUbuntu 16.04.2 LTS\r\nRelease:\t16.04\r\nCodename:\txenial\r\n```\r\n  * Matplotlib Version: \r\n```\r\n$ python -c \"import matplotlib; print matplotlib.__version__\"\r\n2.0.2\r\n```\r\n  * Python Version:\r\n```\r\n$ python --version\r\nPython 2.7.12\r\n```\r\n\r\nInstalled matplotlib via pip:\r\n```\r\n(virtenv) 13:49:32-user@computer:~/Desktop$ pip install matplotlib\r\nCollecting matplotlib\r\n  Downloading matplotlib-2.0.2-cp27-cp27mu-manylinux1_x86_64.whl (14.5MB)\r\n    100% |████████████████████████████████| 14.5MB 98kB/s \r\nCollecting numpy\u003e=1.7.1 (from matplotlib)\r\n  Downloading numpy-1.13.1-cp27-cp27mu-manylinux1_x86_64.whl (16.6MB)\r\n    100% |████████████████████████████████| 16.6MB 115kB/s \r\nCollecting cycler\u003e=0.10 (from matplotlib)\r\n  Using cached cycler-0.10.0-py2.py3-none-any.whl\r\nCollecting python-dateutil (from matplotlib)\r\n  Downloading python_dateutil-2.6.1-py2.py3-none-any.whl (194kB)\r\n    100% |████████████████████████████████| 194kB 8.2MB/s \r\nCollecting functools32 (from matplotlib)\r\nCollecting six\u003e=1.10 (from matplotlib)\r\n  Using cached six-1.10.0-py2.py3-none-any.whl\r\nCollecting pytz (from matplotlib)\r\n  Using cached pytz-2017.2-py2.py3-none-any.whl\r\nCollecting pyparsing!=2.0.4,!=2.1.2,!=2.1.6,\u003e=1.5.6 (from matplotlib)\r\n  Using cached pyparsing-2.2.0-py2.py3-none-any.whl\r\nCollecting subprocess32 (from matplotlib)\r\nInstalling collected packages: numpy, six, cycler, python-dateutil, functools32, pytz, pyparsing, subprocess32, matplotlib\r\nSuccessfully installed cycler-0.10.0 functools32-3.2.3-2 matplotlib-2.0.2 numpy-1.13.1 pyparsing-2.2.0 python-dateutil-2.6.1 pytz-2017.2 six-1.10.0 subprocess32-3.2.7\r\n```\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\n\r\n","author":{"url":"https://github.com/lejar","@type":"Person","name":"lejar"},"datePublished":"2017-08-02T11:55:04.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/8979/matplotlib/issues/8979"}