public static void main(String[] args) {
    String dir = "d:\\PP-rad\\poznan\\";
    String networkFile = dir + "network.xml";
    String linkStats = dir + "40.linkstats.txt.gz";
    String polygonFile = dir + "poznan_polygon\\poznan_city_polygon.shp";
    boolean includeBorderLinks = false;
    String filteredLinkStats = dir + "40.linkstats-filtered.txt.gz";

    Geometry polygonGeometry = PolygonBasedFilter.readPolygonGeometry(polygonFile);
    Predicate<Link> linkInsidePolygonPredicate =
        PolygonBasedFilter.createLinkInsidePolygonPredicate(polygonGeometry, includeBorderLinks);

    Scenario scenario = ScenarioUtils.createScenario(VrpConfigUtils.createConfig());
    MatsimNetworkReader nr = new MatsimNetworkReader(scenario);
    nr.readFile(networkFile);

    Map<Id<Link>, ? extends Link> linkMap = scenario.getNetwork().getLinks();

    try (BufferedReader br = IOUtils.getBufferedReader(linkStats);
        PrintWriter pw = new PrintWriter(IOUtils.getBufferedWriter(filteredLinkStats))) {
      String header = br.readLine();
      pw.println(header);

      String line;
      while ((line = br.readLine()) != null) {
        String linkId = new StringTokenizer(line).nextToken(); // linkId - first column
        Link link = linkMap.get(Id.create(linkId, Link.class));

        if (linkInsidePolygonPredicate.apply(link)) {
          pw.println(line);
        }
      }
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
 public void readNetwork(String dir, String networkFile) {
   Scenario scenario = ScenarioUtils.createScenario(ConfigUtils.createConfig());
   new MatsimNetworkReader(scenario).readFile(dir + "\\" + networkFile);
   idToLinkMap = scenario.getNetwork().getLinks();
 }