Replace basemap by cartopy

Inst_eddies/Documentation_texfol/Graphiques/regions.py

 #!/usr/bin/env python3
 
 import netCDF4
-from mpl_toolkits import basemap
+import cartopy.crs as ccrs
 import jumble
 from matplotlib import pyplot as plt
 import glob
 import itertools
 
-m = basemap.Basemap(llcrnrlon=-30, llcrnrlat=-90, urcrnrlon=60, urcrnrlat = 0)
 plt.figure()
-m.drawcoastlines()
-m.drawmeridians(range(0,361, 15), labels = [0, 0, 0, 1])
-m.drawparallels(range(-90,91, 15), labels = [1, 0, 0, 0])
+ax = plt.axes(projection=ccrs.PlateCarree())
 colors = itertools.cycle(['blue', 'orange', 'green', 'red', 'purple', 'brown',
                           'pink', 'gray', 'olive', 'cyan'])
 
@@ -27,6 +24,9 @@ for filename in glob.glob("h_region_*.nc") + ["h_outermost.nc"]:
         jumble.draw_bbox(f[lon][0], f[lon][-1], f[lat][0], f[lat][-1],
                          colors = next(colors), label = filename)
 
+ax.set_extent((-30, 60, -90, 0), ccrs.PlateCarree())
+ax.coastlines()
+ax.gridlines(draw_labels = True)
 plt.legend(loc = "lower left", bbox_to_anchor = (1, 0.5))
 plt.subplots_adjust(right = 0.7)
 plt.savefig("regions.pdf")