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CODE EXAMPLE FOR PHP

php convert latitude longitude to map tile

$xtile = floor((($lon + 180) / 360) * pow(2, $zoom));
$ytile = floor((1 - log(tan(deg2rad($lat)) + 1 / cos(deg2rad($lat))) / pi()) /2 * pow(2, $zoom));
 
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Tagged: #php #convert #latitude #longitude #map #tile
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