Examples of com.vividsolutions.jts.geom.LinearRing

com.vividsolutions.jts.geom.LinearRing
Models an OGC SFS LinearRing. A LinearRing is a LineString which is both closed and simple. In other words, the first and last coordinate in the ring must be equal, and the interior of the ring must not self-intersect. Either orientation of the ring is allowed.
A ring must have either 0 or 4 or more points. The first and last points must be equal (in 2D). If these conditions are not met, the constructors throw an {@link IllegalArgumentException} @version 1.7


  @Before
  public void setUp() throws Exception {
    GeometryFactory factory=new GeometryFactory();
    
    LinearRing ring1=factory.createLinearRing(new Coordinate[]{
        new Coordinate(0,0),
        new Coordinate(512,0),
        new Coordinate(512,256),
        new Coordinate(0,256),
        new Coordinate(0,0),
        
    });
    
    Polygon poly1=factory.createPolygon( ring1, new LinearRing[]{});
    
    LinearRing ring2=factory.createLinearRing(new Coordinate[]{
        new Coordinate(0,256),
        new Coordinate(512,256),
        new Coordinate(512,512),
        new Coordinate(0,512),
        new Coordinate(0,256),

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    @Ignore
    @Test
    public void testPolygonWithHole2MultiPolygon() throws Exception {
        setTarget("name2","MultiPolygon", builder.safeCreateGeometry(MultiPolygon.class, new Coordinate[]{new Coordinate(10,10)}));


        LinearRing r1 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(0,0), new Coordinate(10,0), new Coordinate(10,10), new Coordinate(0,10), new Coordinate(0,0)
        });
        LinearRing r2 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(2,2), new Coordinate(8,2), new Coordinate(8,8), new Coordinate(2,2),
        });
        
        GeometryFactory fac=new GeometryFactory();
        Polygon poly = fac.createPolygon(r1, new LinearRing[]{r2});

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    @Ignore
    @Test
    public void testPolygonWithHole2MultiLine() throws Exception {
        setTarget("name2","MultiLineString", builder.safeCreateGeometry(MultiLineString.class, new Coordinate[]{new Coordinate(10,10)}));


        LinearRing r1 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(0,0), new Coordinate(10,0), new Coordinate(10,10), new Coordinate(0,10), new Coordinate(0,0)
        });
        LinearRing r2 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(2,2), new Coordinate(8,2), new Coordinate(8,8), new Coordinate(2,2),
        });
        
        GeometryFactory fac=new GeometryFactory();
        Polygon poly = fac.createPolygon(r1, new LinearRing[]{r2});

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    @SuppressWarnings("deprecation")
    @Ignore
    @Test
    public void testPolygon2LineString() throws Exception {
        setTarget("target2", "LineString", builder.safeCreateGeometry(LineString.class, new Coordinate[]{new Coordinate(10,10)}));
        LinearRing r1 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(0,0), new Coordinate(10,0), new Coordinate(10,10), new Coordinate(0,10), new Coordinate(0,0)
        });
        LinearRing r2 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(2,2), new Coordinate(8,2), new Coordinate(8,8), new Coordinate(2,2),
        });
        
        GeometryFactory fac=new GeometryFactory();
        Polygon poly = fac.createPolygon(r1, new LinearRing[]{r2});

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    @SuppressWarnings("deprecation")
    @Ignore
    @Test
    public void testPolygon2LinearRing() throws Exception {
        setTarget("target2", "com.vividsolutions.jts.geom.LinearRing", builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{new Coordinate(10,10)}));
        LinearRing r1 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(0,0), new Coordinate(10,0), new Coordinate(10,10), new Coordinate(0,10), new Coordinate(0,0)
        });
        LinearRing r2 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(2,2), new Coordinate(8,2), new Coordinate(8,8), new Coordinate(2,2),
        });
        
        GeometryFactory fac=new GeometryFactory();
        Polygon poly = fac.createPolygon(r1, new LinearRing[]{r2});

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    @Ignore
    @Test
    public void testMultiPolygonWithHole2LineString() throws Exception {
        setTarget("name2", "LineString", builder.safeCreateGeometry(LineString.class, new Coordinate[]{new Coordinate(10,10)}));


        LinearRing r1 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(0,0), new Coordinate(10,0), new Coordinate(10,10), new Coordinate(0,10), new Coordinate(0,0)
        });
        LinearRing r2 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(2,2), new Coordinate(8,2), new Coordinate(8,8), new Coordinate(2,2),
        });
        
        GeometryFactory fac=new GeometryFactory();
        Polygon poly = fac.createPolygon(r1, new LinearRing[]{r2});
        setSource("MultiPolygon", fac.createMultiPolygon(new Polygon[]{poly}));
        
        copyFeatures(LineString.class, 2);
        
        ILayer layer = targetMap.getMapLayers().get(0);
        FeatureIterator<SimpleFeature> iter = layer.getResource(FeatureSource.class, null).getFeatures(layer.getFilter()).features();
        SimpleFeature feature=iter.next();
        assertTrue( r1.equals(feature.getDefaultGeometry()) || r2.equals(feature.getDefaultGeometry()) );
        feature=iter.next();
        assertTrue( r1.equals(feature.getDefaultGeometry()) || r2.equals(feature.getDefaultGeometry()) );
        iter.close();
    }

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    @Ignore
    @Test
    public void testMultiPolygonWithHole2Polygon() throws Exception {
        setTarget("name2","Polygon", builder.safeCreateGeometry(Polygon.class, new Coordinate[]{new Coordinate(10,10)}));


        LinearRing r1 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(0,0), new Coordinate(10,0), new Coordinate(10,10), new Coordinate(0,10), new Coordinate(0,0)
        });
        LinearRing r2 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(2,2), new Coordinate(8,2), new Coordinate(8,8), new Coordinate(2,2),
        });
        
        GeometryFactory fac=new GeometryFactory();
        Polygon poly = fac.createPolygon(r1, new LinearRing[]{r2});

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    @Ignore
    @Test
    public void testPolygonWithHole2LineString() throws Exception {
        setTarget("name2", "LineString", builder.safeCreateGeometry(LineString.class, new Coordinate[]{new Coordinate(10,10)}));


        LinearRing r1 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(0,0), new Coordinate(10,0), new Coordinate(10,10), new Coordinate(0,10), new Coordinate(0,0)
        });
        LinearRing r2 = builder.safeCreateGeometry(LinearRing.class, new Coordinate[]{
            new Coordinate(2,2), new Coordinate(8,2), new Coordinate(8,8), new Coordinate(2,2),
        });
        
        GeometryFactory fac=new GeometryFactory();
        Polygon poly = fac.createPolygon(r1, new LinearRing[]{r2});
        setSource("Polygon", poly);
        
        copyFeatures(LineString.class, 2);
        
        ILayer layer = targetMap.getMapLayers().get(0);
        FeatureIterator<SimpleFeature> iter = layer.getResource(FeatureSource.class, null).getFeatures(layer.getFilter()).features();
        SimpleFeature feature=iter.next();
        assertTrue( r1.equals(feature.getDefaultGeometry()) || r2.equals(feature.getDefaultGeometry()) );
        feature=iter.next();
        assertTrue( r1.equals(feature.getDefaultGeometry()) || r2.equals(feature.getDefaultGeometry()) );
        iter.close();
    }

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    // add the rings to the ringList.
    for (Polygon pol : polyCollection) {


      Coordinate[] polCoord = pol.getExteriorRing().getCoordinates();


      LinearRing polygonRing = line.getFactory().createLinearRing(polCoord);
      ringList.add(polygonRing);
    }
    //
    // for (Geometry ring : ringList) {
    //

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      // for creating a linearRing, the geometry must form a closed
      // geometry.
      // close the geometry.
      Coordinate[] closedLine = closeGeometry(lineCoor);
      // try to create a linearRing.
      LinearRing ring;
      try {
        ring = factory.createLinearRing(closedLine);
        // Create the polygon geometry and add to the list.
        Geometry polygonGeometry = factory.createPolygon(ring, null);
        ringsList.add(polygonGeometry);

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