pyicon_plotting.py / plot_settings: Only change cartopy axes ticks if...

pyicon_plotting.py / plot_settings: Only change cartopy axes ticks if rectangular axes (and not for Stereo projections).

pyicon/pyicon_plotting.py

@@ -1604,8 +1604,9 @@ def plot_settings(ax, xlim='none', ylim='none', xticks='auto', yticks='auto', #x
     # major ticks need to be set before minor ticks are set
     #ax.xaxis.set_major_formatter(cartopy.mpl.ticker.LongitudeFormatter(degree_symbol=''))
     #ax.yaxis.set_major_formatter(cartopy.mpl.ticker.LatitudeFormatter(degree_symbol=''))
-    ax.xaxis.set_major_formatter(cartopy.mpl.ticker.LongitudeFormatter())
-    ax.yaxis.set_major_formatter(cartopy.mpl.ticker.LatitudeFormatter())
+    if isinstance(ax.projection, (ccrs._RectangularProjection, ccrs.Mercator)):
+      ax.xaxis.set_major_formatter(cartopy.mpl.ticker.LongitudeFormatter())
+      ax.yaxis.set_major_formatter(cartopy.mpl.ticker.LatitudeFormatter())
     if proj_name in ['PlateCarree']: # settings which only work for certain projections
       if do_xyticks:
         ax.set_xticks(xticks, crs=ccrs.PlateCarree())