Merge branch 'felix_issue108-map-plot-with-coordinates' into 'develop'

Resolve "map plot with coordinates"

See merge request toar/machinelearningtools!108

src/plotting/postprocessing_plotting.py

@@ -207,6 +207,7 @@ class PlotStationMap(AbstractPlotClass):
         """
         super().__init__(plot_folder, "station_map")
         self._ax = None
+        self._gl = None
         self._plot(generators)
         self._save()
 
@@ -214,6 +215,9 @@ class PlotStationMap(AbstractPlotClass):
         """Draw coastline, lakes, ocean, rivers and country borders as background on the map."""
 
         import cartopy.feature as cfeature
+
+        self._ax.add_feature(cfeature.LAND.with_scale("50m"))
+        self._ax.natural_earth_shp(resolution='50m')
         self._ax.add_feature(cfeature.COASTLINE.with_scale("50m"), edgecolor='black')
         self._ax.add_feature(cfeature.LAKES.with_scale("50m"))
         self._ax.add_feature(cfeature.OCEAN.with_scale("50m"))
@@ -251,11 +255,16 @@ class PlotStationMap(AbstractPlotClass):
         """
 
         import cartopy.crs as ccrs
+        from cartopy.mpl.gridliner import LONGITUDE_FORMATTER, LATITUDE_FORMATTER
         fig = plt.figure(figsize=(10, 5))
         self._ax = fig.add_subplot(1, 1, 1, projection=ccrs.PlateCarree())
-        self._ax.set_extent([0, 20, 42, 58], crs=ccrs.PlateCarree())
+        self._ax.set_extent([4, 17, 44, 58], crs=ccrs.PlateCarree())
+        self._gl = self._ax.gridlines(xlocs=range(0, 21, 5), ylocs=range(44, 59, 2), draw_labels=True)
+        self._gl.xformatter = LONGITUDE_FORMATTER
+        self._gl.yformatter = LATITUDE_FORMATTER
         self._draw_background()
         self._plot_stations(generators)
+        plt.tight_layout()
 
 
 @TimeTrackingWrapper