René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Error for bbox_inches='tight' in savefig with make_axes_locatable","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\u003c!--A short 1-2 sentences that succinctly describes the bug--\u003e\r\nWhen setting bbox_inches='tight' in savefig function, the colorbar is plotted in the wrong way. \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\nimport matplotlib.pyplot as plt\r\nimport numpy as np\r\nfrom mpl_toolkits.basemap import Basemap\r\n\r\noutfile = r'E:\\wrong.tif'\r\n\r\n# read in data on lat/lon grid.\r\nhgt = np.loadtxt(r'E:\\tmp\\basemap\\500hgtdata.gz')\r\nlons = np.loadtxt(r'E:\\tmp\\basemap\\500hgtlons.gz')\r\nlats = np.loadtxt(r'E:\\tmp\\basemap\\500hgtlats.gz')\r\nlons, lats = np.meshgrid(lons, lats)\r\n\r\nmnh = Basemap(lon_0=-105, boundinglat=20.,\r\n              resolution='c', area_thresh=10000., projection='nplaea')\r\nxnh, ynh = mnh(lons, lats)\r\nCS = mnh.contour(xnh, ynh, hgt, 15, linewidths=0.5, colors='k')\r\nCS = mnh.contourf(xnh, ynh, hgt, 15, cmap=plt.cm.Spectral)\r\n\r\nmnh.drawcoastlines(linewidth=0.5)\r\ndelat = 30.\r\ncircles = np.arange(0., 90., delat).tolist() + \\\r\n          np.arange(-delat, -90, -delat).tolist()\r\nmnh.drawparallels(circles, labels=[1, 0, 0, 0])\r\ndelon = 45.\r\nmeridians = np.arange(0, 360, delon)\r\nmnh.drawmeridians(meridians, labels=[1, 0, 0, 1])\r\nplt.title('NH 500 hPa Height (cm.Spectral)')\r\n\r\n# colorbar on bottom.\r\nmnh.colorbar(pad='5%')\r\nplt.savefig(outfile, dpi=300, bbox_inches='tight')  # wrong\r\n# plt.savefig(outfile, dpi=300) # right\r\nplt.show()\r\n```\r\n\r\n**Actual outcome**\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\nThe wrong one:\r\n![default](https://user-images.githubusercontent.com/6754276/46267605-74b3a100-c568-11e8-8f52-72a38318b7ee.png)\r\n\r\n```\r\n# If applicable, paste the console output here\r\n# None\r\n#\r\n```\r\n\r\n**Expected outcome**\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\nThe correct figure:\r\n![default](https://user-images.githubusercontent.com/6754276/46267594-68c7df00-c568-11e8-9d65-8a379ba1540e.png)\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: Windows 10 x64\r\n  * Matplotlib version:  3.0.0\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): module://backend_interagg\r\n  * Python version: 3.6.6\r\n  * Jupyter version (if applicable): None\r\n  * basemap version: 1.2.0\r\n  * PyCharm version: 2018.2.4 \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\nI install matplotlib and basemap from https://www.lfd.uci.edu/~gohlke/pythonlibs.\r\n\r\n\r\n","author":{"url":"https://github.com/jiaozhh","@type":"Person","name":"jiaozhh"},"datePublished":"2018-10-01T03:01:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/12355/matplotlib/issues/12355"}