public static double GroundResolution(final double latitude, final int levelOfDetail) {
        return GroundResolution(latitude, (double) levelOfDetail);
    }
@Test
    public void test_groundResolution() {
        final double delta = 1e-4;

        for (int zoomLevel = mMinZoomLevel; zoomLevel <= mMaxZoomLevel; zoomLevel++) {
            Assert.assertEquals(156543.034 / (1 << zoomLevel), TileSystem.GroundResolution(0, zoomLevel), delta);
        }
    }