@Test
public void testPolygonBounds() {
GeoConvexPolygon c;
LatLonBounds b;
c = new GeoConvexPolygon(PlanetModel.SPHERE, -0.1, -0.5);
c.addPoint(0.0, -0.6, false);
c.addPoint(0.1, -0.5, false);
c.addPoint(0.0, -0.4, false);
c.done(false);
b = new LatLonBounds();
c.getBounds(b);
assertFalse(b.checkNoLongitudeBound());
assertFalse(b.checkNoTopLatitudeBound());
assertFalse(b.checkNoBottomLatitudeBound());
assertEquals(-0.6, b.getLeftLongitude(), 0.000001);
assertEquals(-0.4, b.getRightLongitude(), 0.000001);
assertEquals(-0.1, b.getMinLatitude(), 0.000001);
assertEquals(0.1, b.getMaxLatitude(), 0.000001);
}
@Test
public void testPolygonPointWithin() {
GeoConvexPolygon c;
GeoPoint gp;
c = new GeoConvexPolygon(PlanetModel.SPHERE, -0.1, -0.5);
c.addPoint(0.0, -0.6, false);
c.addPoint(0.1, -0.5, false);
c.addPoint(0.0, -0.4, false);
c.done(false);
// Sample some points within
gp = new GeoPoint(PlanetModel.SPHERE, 0.0, -0.5);
assertTrue(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, 0.0, -0.55);
assertTrue(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, 0.0, -0.45);
assertTrue(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, -0.05, -0.5);
assertTrue(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, 0.05, -0.5);
assertTrue(c.isWithin(gp));
// Sample some nearby points outside, and compute distance-to-shape for them as well
gp = new GeoPoint(PlanetModel.SPHERE, 0.0, -0.65);
assertFalse(c.isWithin(gp));
assertEquals(0.05, c.computeOutsideDistance(DistanceStyle.ARC, gp), 1e-12);
assertEquals(0.05, c.computeOutsideDistance(DistanceStyle.NORMAL, gp), 1e-3);
assertEquals(0.05, c.computeOutsideDistance(DistanceStyle.LINEAR, gp), 1e-3);
gp = new GeoPoint(PlanetModel.SPHERE, 0.0, -0.35);
assertFalse(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, -0.15, -0.5);
assertFalse(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, 0.15, -0.5);
assertFalse(c.isWithin(gp));
// Random points outside
gp = new GeoPoint(PlanetModel.SPHERE, 0.0, 0.0);
assertFalse(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, Math.PI * 0.5, 0.0);
assertFalse(c.isWithin(gp));
gp = new GeoPoint(PlanetModel.SPHERE, 0.0, Math.PI);
assertFalse(c.isWithin(gp));
}
