Examples of org.opengis.geometry.primitive.Curve

org.opengis.geometry.primitive.Curve
eospatial.org/standards/as">ISO 19107 @author Martin Desruisseaux (IRD) @since GeoAPI 1.0 @see PrimitiveFactory#createCurve

             DirectPosition point1 = points.getDirectPosition( start, null );
             DirectPosition point2 = points.getDirectPosition( end, null );
             LineSegment segment = builder.createLineSegment( point1, point2 );
             segmentList.add( segment );
         }
         Curve curve = builder.createCurve( segmentList );
         curves.add( curve);         
         Ring ring = builder.createRing( curves );
         SurfaceBoundary boundary = builder.createSurfaceBoundary(ring );
         Surface surface = builder.createSurface(boundary);         
    }

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        PointArray closedPoints = postitionFactory.createPointArray( array, 0, length );
        LineString lines = geometryFactory.createLineString(closedPoints);        
        List<CurveSegment> segmentList = new ArrayList<CurveSegment>();
        segmentList.add(lines);
        
        Curve curve = primitiveFactory.createCurve(segmentList);
        
        List<OrientableCurve> curves = new ArrayList<OrientableCurve>();        
        curves.add(curve);
        
        Ring ring = primitiveFactory.createRing(curves);

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        assertEquals(0.5, sB.getArea(), 1.0e-8);
        assertEquals(1.0 + 1.0 + Math.sqrt(2.0), sB.getPerimeter());


        TransfiniteSet result = sA.intersection(sB);
        assertTrue(result instanceof Curve);
        Curve curveResult = (Curve)result;
        assertEquals(0.0, curveResult.getStartParam(), 1.0e-8);
        assertEquals(Math.sqrt(2.0), curveResult.getEndParam(), 1.0e-8);
    }

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    assertTrue(dpos.get(4).getOrdinate(0) == 100);
    assertTrue(dpos.get(4).getOrdinate(1) == 70);
    assertTrue(dpos.get(5).getOrdinate(0) == 30);
    assertTrue(dpos.get(5).getOrdinate(1) == 20);
    
    Curve c = (Curve) this.createCurveA().getBoundary().getConvexHull();
    dpos = this.curveToPositions(c);
    assertTrue(dpos.size() == 2);
    assertTrue(dpos.get(0).getOrdinate(0) == 30);
    assertTrue(dpos.get(0).getOrdinate(1) == 20);
    assertTrue(dpos.get(1).getOrdinate(0) == 10);

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//     create curvesegments from line
    ArrayList<CurveSegment> segs = new ArrayList<CurveSegment>();
    segs.add(line);


//     create curve
    Curve curve = primF.createCurve(segs);    
    
    // get points from curve
    List<? extends CurveSegment> segs2 = curve.getSegments();
    Iterator<? extends CurveSegment> iter = segs2.iterator();
    PointArray samplePoints = null;
    while (iter.hasNext()) {
      if (samplePoints == null) {
        samplePoints = iter.next().getSamplePoints();

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    // create multiprimitive object
    List<CurveSegment> curves = new ArrayList<CurveSegment>();
    curves.add( edge1 );
    curves.add( edge2 );
    curves.add( edge3 );
    Curve s = new CurveImpl(crs, curves);
    
    curves = new ArrayList<CurveSegment>();
    curves.add( edge1_1 );
    curves.add( edge2_1 );
    curves.add( edge3_1 );
    Curve s2 = new CurveImpl(crs, curves);
    
    Set<Primitive> primitives = new HashSet<Primitive>();
    primitives.add(s);
    primitives.add(s2);
    MultiPrimitiveImpl mp = (MultiPrimitiveImpl) agf.createMultiPrimitive(primitives);

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     */
    private Curve readLineStringText(StreamTokenizer tokenizer) throws IOException, ParseException {
        List coordList = getCoordinates(tokenizer);
        LineString lineString = geometryFactory.createLineString(coordList);
        List curveSegmentList = Collections.singletonList(lineString);
        Curve curve = primitiveFactory.createCurve(curveSegmentList);
        return curve;
    }

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    private Curve readLinearRingText(StreamTokenizer tokenizer)
            throws IOException, ParseException {
        List coordList = getCoordinates(tokenizer);
        LineString lineString = geometryFactory.createLineString(coordList);
        List curveSegmentList = Collections.singletonList(lineString);
        Curve curve = primitiveFactory.createCurve(curveSegmentList);
        return curve;
        //List curveList = Collections.singletonList(curve);
        //return primitiveFactory.createRing(curveList);
    }

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    private Surface readPolygonText(StreamTokenizer tokenizer) throws IOException, ParseException {
        String nextToken = getNextEmptyOrOpener(tokenizer);
        if (nextToken.equals(EMPTY)) {
            return null;
        }
        Curve curve = readLinearRingText(tokenizer);
        List curveList = Collections.singletonList(curve);
        Ring shell = primitiveFactory.createRing(curveList);
        //Ring shell = readLinearRingText(tokenizer);
        List holes = new ArrayList();
        nextToken = getNextCloserOrComma(tokenizer);
        while (nextToken.equals(COMMA)) {
          Curve holecurve = readLinearRingText(tokenizer);
            List holeList = Collections.singletonList(holecurve);
            Ring hole = primitiveFactory.createRing(holeList);
            //Ring hole = readLinearRingText(tokenizer);
            holes.add(hole);
            nextToken = getNextCloserOrComma(tokenizer);

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        String nextToken = getNextEmptyOrOpener(tokenizer);        
        if (nextToken.equals(EMPTY)) {
          return null;
        }
        MultiPrimitive multi = geometryFactory.createMultiPrimitive();
      Curve curve = readLineStringText(tokenizer);
        //multi.getElements().add(curve);
        Set elements = multi.getElements();
        elements.add(curve);
        nextToken = getNextCloserOrComma(tokenizer);
        while (nextToken.equals(COMMA)) {

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org.geotools.geometry.GeometryBuilder

org.geotools.geometry.iso.aggregate.PicoMultiPrimitiveTest

org.geotools.geometry.iso.operations.ConvexHullTest

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org.geotools.geometry.iso.primitive.PicoSurfaceTest

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