TileId ¶ A slippy-map tile identified by zoom z and column/row x/y (Bing/web-mercator quadkey scheme). x property ¶ x Tile column. y property ¶ y Tile row. z property ¶ z Zoom level. bbox method descriptor ¶ bbox() The tile's geographic bounds as a [BBox]. children method descriptor ¶ children() The four child tiles at z + 1. from_quadkey staticmethod ¶ from_quadkey(qk) Parse a tile from a quadkey string. Raises ValueError if the quadkey contains characters other than 0-3 or is longer than 30 digits. quadkey method descriptor ¶ quadkey() The tile's quadkey string.