@Test
public void testSurfaceOnSphere()
{
final Polygon tennisCourt = new Polygon(Location.forString("47.6778433, -122.2012807"),
Location.forString("47.6779773, -122.2008187"),
Location.forString("47.6776721, -122.2006229"),
Location.forString("47.6775366, -122.2010923"),
Location.forString("47.6776969, -122.2011787"),
Location.forString("47.6778433, -122.2012807"));
Assert.assertEquals(1384.480, tennisCourt.surfaceOnSphere().asMeterSquared(), 2);
final Area forest = this.setup.getForestPolygon().area(23408944000000L);
Assert.assertEquals(229960, forest.asPolygon().surfaceOnSphere().asMeterSquared(), 300);
}