Examples of org.geotools.geometry.iso.primitive.RingImpl

Package org.geotools.geometry.iso.primitive

Examples of org.geotools.geometry.iso.primitive.RingImpl

org.geotools.geometry.iso.primitive.RingImpl
A Ring is used to represent a single connected component of a SurfaceBoundary. It consists of a number of references to OrientableCurves connected in a cycle (an object whose boundary is empty). A Ring is structurally similar to a CompositeCurve in that the endPoint of each OrientableCurve in the sequence is the startPoint of the next OrientableCurve in the Sequence. Since the sequence is circular, there is no exception to this rule. Each ring, like all boundaries is a cycle and each ring is simple. Ring: {isSimple() = TRUE} Even though each Ring is simple, the boundary need not be simple. The easiest case of this is where one of the interior rings of a surface is tangent to its exterior ring. Implementations may enforce stronger restrictions on the interaction of boundary elements. @author Jackson Roehrig & Sanjay Jena @source $URL$

        PointImpl p2 = new PointImpl(iterator2.next());
        assertEquals(p1, p2, epsilon);
      }
    }
    else if (geom1 instanceof RingImpl && geom2 instanceof RingImpl) {
      RingImpl ring1 = (RingImpl) geom1;
      RingImpl ring2 = (RingImpl) geom2;
      List<DirectPosition> list1 = ring1.asDirectPositions();
      List<DirectPosition> list2 = ring2.asDirectPositions();
      Iterator<DirectPosition> iterator1 = list1.iterator();
      Iterator<DirectPosition> iterator2 = list2.iterator();
      while (iterator1.hasNext() && iterator2.hasNext()) {
        PointImpl p1 = new PointImpl(iterator1.next());
        PointImpl p2 = new PointImpl(iterator2.next());

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    /* Build Ring from Curve */
    ArrayList<OrientableCurve> curveList = new ArrayList<OrientableCurve>();
    curveList.add(curve1);
    
    // Build Ring then SurfaceBoundary then Surface
    RingImpl exteriors = (RingImpl) primitiveFactory.createRing(curveList);
    List<Ring> interiors = new ArrayList<Ring>();
    SurfaceBoundary sboundary = primitiveFactory.createSurfaceBoundary(exteriors, interiors);
    Surface surface1 = primitiveFactory.createSurface(sboundary);
    Surface surface2 = (SurfaceImpl) surface1.transform(crs2);
    
    // create expected result
    PositionFactory expectedPosF2 = new PositionFactoryImpl(crs2, new PrecisionModel());
    PrimitiveFactory expectedPrimF2 = new PrimitiveFactoryImpl(crs2, expectedPosF2);
    GeometryFactory ExpectedGeomF2 = new GeometryFactoryImpl(crs2, expectedPosF2);
    
    List<Position> expectedPoints = new ArrayList<Position>();
    expectedPoints.add(expectedPrimF2.createPoint( new double[]{1187128.000000001, 395268.0000000004} ));
    expectedPoints.add(expectedPrimF2.createPoint( new double[]{1187127.9999999998, 396026.99999999825} ));
    expectedPoints.add(expectedPrimF2.createPoint( new double[]{1188245.0000000007, 396027.0000000039} ));
    expectedPoints.add(expectedPrimF2.createPoint( new double[]{1188245.0000000005, 395268.0000000018} ));
    expectedPoints.add(expectedPrimF2.createPoint( new double[]{1187128.000000001, 395268.0000000004} ));
        LineString expectedLineString = ExpectedGeomF2.createLineString(expectedPoints);
        List expectedCurveSegmentList = Collections.singletonList(expectedLineString);
        
        CurveImpl expectedCurve = (CurveImpl) expectedPrimF2.createCurve(expectedCurveSegmentList);
        
    /* Build Ring from Curve */
    ArrayList<OrientableCurve> expectedCurveList = new ArrayList<OrientableCurve>();
    expectedCurveList.add(expectedCurve);
    
    // Build Ring then SurfaceBoundary then Surface
    RingImpl exteriors2 = (RingImpl) expectedPrimF2.createRing(expectedCurveList);
    List<Ring> interiors2 = new ArrayList<Ring>();
    SurfaceBoundary sboundary2 = expectedPrimF2.createSurfaceBoundary(exteriors2, interiors2);
    Surface expectedSurface = expectedPrimF2.createSurface(sboundary2);
        
    //System.out.println(surface1);

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    // Create List of OrientableCurve´s (Curve´s)
    OrientableCurve curve = new CurveImpl(crs, segments);
    List<OrientableCurve> orientableCurves = new ArrayList<OrientableCurve>();
    orientableCurves.add(curve);


    this.ring = new RingImpl(orientableCurves);    
    // this.ring = (RingImpl) this.mFeatGeomFactory.getPrimitiveFactory().createRingByDirectPositions(dpList);
    
    // isHole is now calculated in the constructor.
    /*
    // See if the Ring is counterclockwise oriented

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    segments.add(lineString);    
    OrientableCurve curve = new CurveImpl(crs, segments);
    List<OrientableCurve> orientableCurves = new ArrayList<OrientableCurve>();
    orientableCurves.add(curve);
    
    Ring exterior = new RingImpl(orientableCurves);
    List<Ring> interiorList = new ArrayList<Ring>();


    SurfaceBoundaryImpl triangleBoundary = 
      new SurfaceBoundaryImpl(crs, exterior, interiorList);

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   *             was encountered
   */
  private Ring readLinearRingText() throws IOException, ParseException {
    List<OrientableCurve> curves = new ArrayList<OrientableCurve>();
    curves.add(this.createCurve(this.getCoordinates()));
    return new RingImpl(curves); //this.primitiveFactory.createRing(curves);


  }

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    segments.add(lineString);    
    OrientableCurve curve = new CurveImpl(crs, segments);
    List<OrientableCurve> orientableCurves = new ArrayList<OrientableCurve>();
    orientableCurves.add(curve);
    
    Ring exterior = new RingImpl(orientableCurves);
    List<Ring> interiorList = new ArrayList<Ring>();


    SurfaceBoundaryImpl sb = 
      new SurfaceBoundaryImpl(crs, exterior, interiorList); 
    return new SurfaceImpl(sb);

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Related Classes of org.geotools.geometry.iso.primitive.RingImpl

org.geotools.geometry.iso.coordinate.GeometryFactoryImpl

org.geotools.geometry.iso.io.wkt.WKTReader

org.geotools.geometry.iso.operation.IsSimpleOp

org.geotools.geometry.iso.operations.TransformTest

org.geotools.geometry.iso.topograph2D.EdgeRing

org.geotools.geometry.iso.util.algorithm2D.ConvexHull

org.opengis.geometry.DirectPosition

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