presto-geospatial/src/main/java/io/prestosql/plugin/geospatial/BingTileFunctions.java/BingTileFunctions/longitudeToTileX
class BingTileFunctions:    private static int longitudeToTileX(double longitude, long mapSize)
    {
        double x = (longitude + 180) / 360;
        return axisToCoordinates(x, mapSize);
    }