Пример #1
0
  private static void _testRing1(GeometryBuilder builder) {

    GeometryFactoryImpl tCoordFactory = (GeometryFactoryImpl) builder.getGeometryFactory();
    PrimitiveFactoryImpl tPrimFactory = (PrimitiveFactoryImpl) builder.getPrimitiveFactory();

    /* Defining Positions for LineStrings */
    ArrayList<Position> line1 = new ArrayList<Position>();
    line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {50, 20})));
    line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {30, 30})));
    line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {20, 50})));
    line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {20, 70})));

    ArrayList<Position> line2 = new ArrayList<Position>();
    line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {20, 70})));
    line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {40, 80})));
    line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {70, 80})));

    ArrayList<Position> line3 = new ArrayList<Position>();
    line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {70, 80})));
    line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {90, 70})));
    line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {100, 60})));
    line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {100, 40})));

    ArrayList<Position> line4 = new ArrayList<Position>();
    line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {100, 40})));
    line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {80, 30})));
    line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[] {50, 20})));

    /* Setting up Array of these LineStrings */
    ArrayList<CurveSegment> tLineList1 = new ArrayList<CurveSegment>();
    tLineList1.add(tCoordFactory.createLineString(line1));
    tLineList1.add(tCoordFactory.createLineString(line2));

    ArrayList<CurveSegment> tLineList2 = new ArrayList<CurveSegment>();
    tLineList2.add(tCoordFactory.createLineString(line3));
    tLineList2.add(tCoordFactory.createLineString(line4));

    /* Build Curve */
    CurveImpl curve1 = tPrimFactory.createCurve(tLineList1);
    CurveImpl curve2 = tPrimFactory.createCurve(tLineList2);

    /* Build Ring */
    ArrayList<OrientableCurve> curveList = new ArrayList<OrientableCurve>();
    curveList.add(curve1);
    curveList.add(curve2);

    Ring ring1 = tPrimFactory.createRing(curveList);

    System.out.println(ring1);

    System.out.println(ring1.getEnvelope());

    PaintGMObject.paint(curve1);
  }
 /** {@inheritDoc } */
 @Override
 public Ring createRing(final List curves) {
   Ring result = new JTSRing(crs);
   if (curves != null) result.getGenerators().addAll(curves);
   return result;
 }