Command line utility of mercantile Python package

 The mercantile module provides functions that respectively return the upper
 left corner and bounding longitudes and latitudes for XYZ tiles, spherical
 mercator x and y coordinates, tile containing a given point, and quadkey
 conversion functions for translating between quadkey and tile coordinates.
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 Also in mercantile are functions to traverse the tile stack.
 Named tuples are used to represent tiles, coordinates, and bounding boxes.
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 This package contains the mercantile utility.