René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Another bug plotting geographic data with 2D longitude/latitude","articleBody":"[This file](https://file.io/Y74fRD) with 2D longitude/latitude arrays causes a weird streaking issue when you do a `pcolormesh` plot.\r\n\r\n```python\r\nimport os\r\nimport xarray as xr\r\nfile = os.path.expanduser('~/Downloads/data.for.luke.nc')\r\ndata = xr.open_dataset(file)\r\n\r\n# proplot\r\nlevels = plot.arange(0, 0.012, 0.001)\r\nimport proplot as plot\r\nf, ax = plot.subplots(proj='cyl', width=5)\r\nax.pcolormesh(data.ULONG, co2.ULAT, data.PH_ALT_CO2, levels=levels, cmap='Fire', colorbar='b')\r\nax.format(facecolor='gray')\r\n\r\n# pyplot\r\nimport matplotlib.pyplot as plt\r\nimport cartopy.crs as ccrs\r\nf, ax = plt.subplots(figsize=(5,3.5), subplot_kw={'projection':ccrs.PlateCarree()})\r\nc = ax.pcolormesh(data.ULONG, co2.ULAT, data.PH_ALT_CO2, # levels=levels,\r\n                vmin=min(levels), vmax=max(levels),\r\n                cmap='Fire', transform=ccrs.PlateCarree())\r\nf.colorbar(c, ax=ax, orientation='horizontal')\r\nax.patch.set_facecolor('gray')\r\nf.subplots_adjust(0.02, 0.02, 0.98, 0.98)\r\n```\r\n\r\n\r\n![example pyplot](https://user-images.githubusercontent.com/19657652/67240797-710ee880-f40f-11e9-84c8-16fd9e8d8a22.png)\r\n![example proplot](https://user-images.githubusercontent.com/19657652/67240798-710ee880-f40f-11e9-89a5-2d4bad116187.png)\r\n","author":{"url":"https://github.com/lukelbd","@type":"Person","name":"lukelbd"},"datePublished":"2019-10-21T20:31:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/54/proplot/issues/54"}