def nearby(self):
tile, level = TileSystem.quadkey_to_tile(self.key)
perms = [(-1, -1), (-1, 0), (-1, 1), (0, -1),
(0, 1), (1, -1), (1, 0), (1, 1)]
tiles = set(
map(lambda perm: (abs(tile[0] + perm[0]), abs(tile[1] + perm[1])), perms))
return [TileSystem.tile_to_quadkey(tile, level) for tile in tiles]
def quadkey_to_lonlat(qk):
tilex, tiley, level = tsm.quadkey_to_tile(qk)
tile = np.column_stack((tilex, tiley))
pix, piy = tsm.tile_to_pixel(tile)
pixel = np.column_stack((pix, piy))
lat, lon = tsm.pixel_to_geo(pixel, level)
return np.column_stack((lat, lon))
def nearby(self):
tile, level = TileSystem.quadkey_to_tile(self.key)
perms = [(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 1), (1, -1), (1, 0),
(1, 1)]
tiles = set(
map(lambda perm: (abs(tile[0] + perm[0]), abs(tile[1] + perm[1])),
perms))
return [TileSystem.tile_to_quadkey(tile, level) for tile in tiles]
def quadkey_to_metre(qk, grd_res):
tilex, tiley, level = tsm.quadkey_to_tile(qk)
tile = np.column_stack((tilex, tiley))
pix, piy = tsm.tile_to_pixel(tile)
pixel = np.column_stack((pix, piy))
rel_metre = pixel * grd_res.reshape(-1, 1)
return rel_metre
def lonlat_to_quadkey_with_shift(quadkey, loshift):
quadkeys = np.array([quadkey] * len(loshift))
tilex, tiley, level = tsm.quadkey_to_tile(quadkeys)
tile = np.column_stack((tilex, tiley))
shift = np.array(loshift)
tile = tile + shift
loquadkey = tsm.tile_to_quadkey(tile, level)
loquadkey = loquadkey.reshape(-1, 1)
loquadkey = pd.Series(loquadkey[:, 0]).astype(str)
loquadkey = loquadkey.str[1:]
return loquadkey.values.astype(str)
def to_geo(self, centered=False):
ret = TileSystem.quadkey_to_tile(self.key)
tile = ret[0]
lvl = ret[1]
pixel = TileSystem.tile_to_pixel(tile, centered)
return TileSystem.pixel_to_geo(pixel, lvl)
def to_tile(self):
return TileSystem.quadkey_to_tile(self.key)
def to_geo(self, centered=False):
ret = TileSystem.quadkey_to_tile(self.key)
tile = ret[0]
lvl = ret[1]
pixel = TileSystem.tile_to_pixel(tile, centered)
return TileSystem.pixel_to_geo(pixel, lvl)
def to_tile(self):
return TileSystem.quadkey_to_tile(self.key)