Examples of com.vividsolutions.jts.geom.LineString

com.vividsolutions.jts.geom.LineString
Models an OGC-style LineString. A LineString consists of a sequence of two or more vertices, along with all points along the linearly-interpolated curves (line segments) between each pair of consecutive vertices. Consecutive vertices may be equal. The line segments in the line may intersect each other (in other words, the linestring may "curl back" in itself and self-intersect. Linestrings with exactly two identical points are invalid.
A linestring must have either 0 or 2 or more points. If these conditions are not met, the constructors throw an {@link IllegalArgumentException} @version 1.7

   */
  @Test
  public void testSzenario_003_withValidData_2() throws Exception {
    MultiPolygon splitee = (MultiPolygon) SplitTestUtil.read("MULTIPOLYGON (((2 3, 8 3, 8 6, 2 6, 2 3)))"); //$NON-NLS-1$


    LineString splitter = (LineString) SplitTestUtil.read("LINESTRING(2 3, 2 2, 5 2, 5 5)"); //$NON-NLS-1$
    assertTrue(splitee.isValid());


    List<Geometry> expectedParts = new ArrayList<Geometry>();


    SplitTestUtil.testSplitStrategy(splitee, splitter, expectedParts);

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  public void testBuilder2Steps() throws Exception {


    Geometry inputGeometry1 = (Geometry) SplitTestUtil.read("POLYGON ((5 35, 35 35, 35 10, 5 10, 5 35))");
    Geometry inputGeometry2 = (Geometry) SplitTestUtil.read("POLYGON ((35 35, 50 35, 50 10, 35 10, 35 35))");


    LineString line = (LineString) SplitTestUtil.read("LINESTRING (0 25, 40 25)");


    Geometry partA = SplitTestUtil.read("POLYGON ((5 35, 5 25, 35 25, 35 35, 5 35))");


    Geometry partB = SplitTestUtil.read("POLYGON ((5 25, 35 25, 35 10, 5 10, 5 25))");

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  public void testBuilder1Steps() throws Exception {


    Geometry inputGeometry1 = (Geometry) SplitTestUtil.read("POLYGON ((5 35, 35 35, 35 10, 5 10, 5 35))");
    Geometry inputGeometry2 = (Geometry) SplitTestUtil.read("POLYGON ((35 35, 50 35, 50 10, 35 10, 35 35))");


    LineString line = (LineString) SplitTestUtil.read("LINESTRING (0 25, 40 25)");


    Geometry partA = SplitTestUtil.read("POLYGON ((5 35, 5 25, 35 25, 35 35, 5 35))");


    Geometry partB = SplitTestUtil.read("POLYGON ((5 25, 35 25, 35 10, 5 10, 5 25))");

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    return nCoords > 1;
  }


  public UndoableMapCommand getCommand(EditToolHandler handler) {
    final ILayer selectedLayer = handler.getContext().getSelectedLayer();
    LineString trimmingLineInLayerCrs;
    try {
      trimmingLineInLayerCrs = getTrimmingLineInLayerCrs(handler);
    } catch (OperationNotFoundException e) {
      throw (RuntimeException) new RuntimeException("Cannot reproject trim line from "
            + "layer's crs to map's crs").initCause(e);

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   */
  private LineString getTrimmingLineInLayerCrs(EditToolHandler handler)
    throws OperationNotFoundException, TransformException {


    final PrimitiveShape currentShape = handler.getCurrentShape();
    final LineString line = GeometryCreationUtil.createGeom(LineString.class, currentShape, false);
    return line;
  }

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            coords.add(new Coordinate(x, y));
            pathIterator.next();
        }


        Coordinate[] coordinates = coords.toArray(new Coordinate[coords.size()]);
        LineString line = gf.createLineString(coordinates);
        return line;
    }

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    LOGGER.fine("splitLine parameter:" + splitLine.toText()); //$NON-NLS-1$
    LOGGER.fine(((CoordinateReferenceSystem) splitLine.getUserData())
        .toWKT());


    try {
      LineString splitReprojected = (LineString) GeoToolsUtils.reproject(
          splitLine,
          (CoordinateReferenceSystem) splitLine.getUserData(),
          desiredCRS);
      SplitFeatureBuilder sfb = new SplitFeatureBuilder();
      sfb.splitLine = splitReprojected;

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          assert geomToSplit instanceof Polygon;
    
          final Polygon polygon = (Polygon) geomToSplit;
          final List<Geometry> splitPolygon;
          LineString splitLine = getSplitLine().getOriginalSplitLine();
          if (SplitUtil.isClosedLine(splitLine)) {
    
            splitPolygon = splitPolygonClosedLines(polygon);
          } else {

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   *            Polygon that will suffer the split operation.
   * @return List with the resultant polygons.
   */
  private List<Geometry> splitPolygonClosedLines(final Polygon polygon) {


      LineString splitLine = getSplitLine().getOriginalSplitLine();


      RingExtractor ringExtractor = new RingExtractor(splitLine);
      ResultRingExtractor data = ringExtractor.processExtraction();
      SplitClosedLines closedLines = new SplitClosedLines(data);

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            final Coordinate[] splitLine, final LinearRing ring ) {


        this.splitLineSegmentWithIntersectionList = new ArrayList<SplitLineSegmentIntersectionNode>();
        for( int i = 0; i < (splitLine.length - 1); i++ ) {


            LineString lineSegment = this.geomFactory.createLineString(
                    new Coordinate[]{splitLine[i], splitLine[i + 1]});


            List<Point> segmentIntersectionList = new GeometryList<Point>();
            // make the intersection between the line segment and each boundary segment in order to
            // create the intersection link
            List<LineString> ringSegmentList = ringToSegmentList(ring);
            for( LineString ringSegment : ringSegmentList ) {


                Geometry intersectionGeom = lineSegment.intersection(ringSegment);


                if (intersectionGeom instanceof Point) {


                    IntersectionLink link = new IntersectionLink(lineSegment, ringSegment,
                            (Point) intersectionGeom);

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