for "_i" from 0 to 99 do {
  _area = ("clear_" + str _i);
  if (markerType _area != "") then {
    _markerSize = getMarkerSize ("clear_" + str _i);
    _maxSize = _markerSize select 0;
    if (_maxSize < _markerSize select 1) then {
      _maxSize = _markerSize select 1;
    };
    {
      hideObjectGlobal _x;
      systemChat ("clear_" + str _i + ": hidding " + str _x);
    } forEach ((nearestTerrainObjects [getMarkerPos _area, [], _maxSize]) inAreaArray [
      getMarkerPos _area,
      _markerSize select 0,
      _markerSize select 1,
      markerDir ("clear_" + str _i),
      true
    ]);
  };
};