new Vector2D(-1.0, 8.0),
new Vector2D(-1.0, 2.0)
}
};
PolygonsSet set2 = buildSet(vertices2);
Assert.assertTrue(new RegionFactory<Euclidean2D>().difference(set1.copySelf(), set2.copySelf()).isEmpty());
}
@Test
public void testChoppedHexagon() {
double pi6 = FastMath.PI / 6.0;