Fixed a plotting problem

geodeticplot.py

@@ -351,8 +351,19 @@ def drawCoastlines(self, color='k', linewidth=1.0, linestyle='solid',
         landcolor = None
         if drawLand: landcolor = 'lightgrey'
 
+
+        # Resolution 
+        if resolution == 'auto' or resolution == 'intermediate':
+            resolution = '50m'
+        elif resolution == 'coarse' or resolution == 'low':
+            resolution = '110m'
+        elif resolution == 'fine':
+            resolution = '10m'
+        else:
+            assert False, 'Unknown resolution : {}'.format(resolution)
+
         # coastlines in cartopy are multipolygon objects. Polygon has exterior, which has xy
-        self.coastlines = cfeature.GSHHSFeature(scale=resolution, edgecolor=color, facecolor=landcolor, 
+        self.coastlines = cfeature.GSHHSFeature(scale='auto', edgecolor=color, facecolor=landcolor, 
                                                 linewidth=linewidth, linestyle=linestyle, zorder=zorder, alpha=0.6)
 
         ## MapScale