Examples of com.vividsolutions.jts.geom.LineString.union()

    LineString line = (LineString) SplitTestUtil
          .read("LINESTRING (260 280, 260 140, 130 140, 130 220, 90 220, 90 190, 180 190, 180 280, 240 280, 240 220, 150 220, 150 160, 240 160, 240 190, 180 190)");


    List<LinearRing> ringList = new ArrayList<LinearRing>();


    Geometry multiLines = line.union();


    Polygonizer polygonizer = new Polygonizer();
    polygonizer.add(multiLines);
    Collection<Polygon> polyCollection = polygonizer.getPolygons();

    List<LinearRing> ringList = new ArrayList<LinearRing>();
    // before create the ring, calculate the orientation of the input list.
    boolean isCCWinputList = CGAlgorithms.isCCW(inputList.toArray(new Coordinate[inputList.size()]));
    // create the rings.
    LineString inputLineString = gf.createLineString(inputList.toArray(new Coordinate[inputList.size()]));
    Geometry multiLines = inputLineString.union();
    Polygonizer polygonizer = new Polygonizer();
    polygonizer.add(multiLines);
    Collection<Polygon> polyCollection = polygonizer.getPolygons();


    // add the rings to the ringList.

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