René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"bars in plt.bar graph centered on \"left\" value","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\r\n**Bug summary**\r\n\r\n\u003c!--A short 1-2 sentences that succinctly describes the bug--\u003e\r\n\r\nDocstring for plt.bar:\r\n\r\n\u003e \r\n\u003e matplotlib.pyplot.bar(left, height, width=0.8, bottom=None, hold=None, data=None, **kwargs)\r\n\u003e Make a bar plot.\r\n\u003e \r\n\u003e Make a bar plot with rectangles bounded by:\r\n\u003e \r\n\u003e left, left + width, bottom, bottom + height\r\n\u003e (left, right, bottom and top edges)\r\n\u003e \r\n\r\nHowever, \"left\" is in fact the center value of the resulting bars.\r\n\r\n**Code for reproduction**\r\n\r\n\u003c!--A minimum code snippet required to reproduce the bug, also minimizing the number of dependencies required--\u003e\r\n\r\n```python\r\n# Paste your code here\r\n#\r\n#\r\nimport numpy as np\r\nimport matplotlib.pyplot as plt\r\nlefts = np.asarray((0, 100, 200, 300, 400))\r\nplt.bar(left=lefts, height=lefts, width=100)\r\nplt.bar(left=lefts, height=lefts, width=75)\r\nplt.bar(left=lefts, height=lefts, width=50)\r\nplt.bar(left=lefts, height=lefts, width=25)\r\n\r\n```\r\n\r\n**Actual outcome**\r\n![mwe-bar](https://user-images.githubusercontent.com/1247704/28239713-cdab0102-6972-11e7-8108-6041868daa75.png)\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n\r\n```\r\n# If applicable, paste the console output here\r\n#\r\n#\r\n```\r\n\r\n**Expected outcome**\r\nBars should be left-aligned to the \"left\" value.\r\nAs the attached plot shows: Bars are centered on \"left\" value, and not left-aligned to it.\r\n\r\n\u003c!--A description of the expected outcome from the code snippet--\u003e\r\n\u003c!--If this used to work in an earlier version of Matplotlib, please note the version it used to work on--\u003e\r\n\r\n**Matplotlib version**\r\n\u003c!--Please specify your platform and versions of the relevant libraries you are using:--\u003e\r\n  * Operating System: Fedora Linux 26\r\n  * Matplotlib Version: 2.0.2\r\n  * Python Version: 3.6\r\n  * Jupyter Version (if applicable):\r\n  * Other Libraries: \r\n\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\nmatplotlib installed using pip","author":{"url":"https://github.com/skjaeve","@type":"Person","name":"skjaeve"},"datePublished":"2017-07-15T13:34:23.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/8882/matplotlib/issues/8882"}