converts a mercator-projected x-coordinate projected longitude to the real longitude . this is only a approximation . concode_field_sep int RADIUS concode_elem_sep double SCALE_FACTOR concode_elem_sep double CIRCUMFERENCE concode_field_sep double y2lat concode_elem_sep double lon2x concode_elem_sep double lat2y
double function ( final double arg0 ) { return arg0 / SCALE_FACTOR ; }