public List<RouteSubregion> loadInteresectedPoints( SearchRequest<RouteDataObject> req, List<RouteSubregion> list, List<RouteSubregion> toLoad) throws IOException { for (RouteSubregion rs : list) { if (req.intersects(rs.left, rs.top, rs.right, rs.bottom)) { if (rs.subregions == null) { codedIS.seek(rs.filePointer); int old = codedIS.pushLimit(rs.length); readRouteTree( rs, null, req.contains(rs.left, rs.top, rs.right, rs.bottom) ? -1 : 1, false); codedIS.popLimit(old); } searchRouteRegionTree(req, rs.subregions, toLoad); if (rs.shiftToData != 0) { toLoad.add(rs); } } } return toLoad; }