maxlon = Math.round(maxlon * decimals) / decimals;
maxlat = Math.round(maxlat * decimals) / decimals;
args.bbox = minlon + "," + minlat + "," + maxlon + "," + maxlat;
maxlon = Math.round(maxlon * decimals) / decimals;
maxlat = Math.round(maxlat * decimals) / decimals;
args.bbox = minlon + "," + minlat + "," + maxlon + "," + maxlat;