def test_vtile_z22_higher_precision(self):
""" Test adding points at zoom 22 with larger than standard path multiplier """
merc = renderer.SphericalMercator()
x, y = -8526703.378081053, 4740318.745473632
xyz_bounds = merc.xyz([x, y, x, y], 22)
req = renderer.Request(xyz_bounds[0], xyz_bounds[1], 22)
vtile = renderer.VectorTile(req, path_multiplier=512)
layer = vtile.add_layer(name="points")
vtile.add_point(layer, x, y, {})
j_obj = vtile.to_geojson()
feature = j_obj['features'][0]
coords = feature['geometry']['coordinates']
self.assertAlmostEqual(coords[0], x, 4)
self.assertAlmostEqual(coords[1], y, 4)
def test_vtile_z22(self):
""" Test adding points at zoom 22 """
merc = renderer.SphericalMercator()
x, y = -8526703.378081053, 4740318.745473632
xyz_bounds = merc.xyz([x, y, x, y], 22)
req = renderer.Request(xyz_bounds[0], xyz_bounds[1], 22)
vtile = renderer.VectorTile(req)
layer = vtile.add_layer(name="points")
vtile.add_point(layer, x, y, {})
j_obj = vtile.to_geojson()
feature = j_obj['features'][0]
coords = feature['geometry']['coordinates']
self.assertAlmostEqual(coords[0], x, 2)
self.assertAlmostEqual(coords[1], y, 1)
def test_spherical_mercator(self):
merc = renderer.SphericalMercator()
z0_extent = merc.bbox(0, 0, 0)