Updating homepage animation tutorial to create animation with transparent background

Author: erikvansebille

docs/examples/documentation_homepage_animation.ipynb

@@ -100,8 +100,8 @@
     "        central_latitude=90, central_longitude=-30, satellite_height=15000000\n",
     "    ),\n",
     ")\n",
-    "ax1.set_facecolor(\"#1EB7D0\")\n",
     "ax1.add_feature(cartopy.feature.LAND, zorder=1)\n",
+    "ax1.add_feature(cartopy.feature.OCEAN, zorder=1)\n",
     "ax1.coastlines()\n",
     "scat1 = ax1.scatter(\n",
     "    lon[b],\n",
@@ -121,8 +121,8 @@
     "        central_latitude=-90, central_longitude=-30, satellite_height=15000000\n",
     "    ),\n",
     ")\n",
-    "ax2.set_facecolor(\"#1EB7D0\")\n",
     "ax2.add_feature(cartopy.feature.LAND, zorder=1)\n",
+    "ax2.add_feature(cartopy.feature.OCEAN, zorder=1)\n",
     "ax2.coastlines()\n",
     "scat2 = ax2.scatter(\n",
     "    lon[b],\n",
@@ -152,7 +152,7 @@
     "fig.canvas.draw()\n",
     "plt.tight_layout()\n",
     "# writergif = PillowWriter(fps=6)\n",
-    "# anim.save('homepageshort.gif',writer=writergif)"
+    "# anim.save('homepageshort.gif', writer=writergif, savefig_kwargs={\"transparent\": True})"
    ]
   },
   {