Examples with Curve org.opengis.geometry.primitive.Curve used on opensource projects

Example 1 with Curve

use of org.opengis.geometry.primitive.Curve in project geotoolkit by Geomatys.

the class GeometryParser method readMultiLineStringText.

/**
 * Creates a {@code MultiPrimitive} out of a MULTILINESTRING specifier
 *
 * @param tokenizer tokenizer on top of a stream of text in Well-known Text
 *                  format.
 * @return a <code>MultiPrimitive</code> specified by the next tokens
 *         in the stream
 * @throws IOException    if an I/O error occurs
 */
private MultiPrimitive readMultiLineStringText(final StreamTokenizer tokenizer) throws IOException, ParseException {
    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)) {
        curve = readLineStringText(tokenizer);
        // multi.getElements().add(curve);
        elements.add(curve);
        nextToken = getNextCloserOrComma(tokenizer);
    }
    return multi;
}

Example 2 with Curve

use of org.opengis.geometry.primitive.Curve in project geotoolkit by Geomatys.

the class GeometryUtils method createCurve.

private static Curve createCurve(final PrimitiveFactory primitiveFactory, final DirectPosition[] points) {
    final GeometryFactory geometryFactory = new JTSGeometryFactory(primitiveFactory.getCoordinateReferenceSystem());
    final List curveSegmentList = Collections.singletonList(createLineString(geometryFactory, points));
    final Curve curve = primitiveFactory.createCurve(curveSegmentList);
    return curve;
}

Example 3 with Curve

use of org.opengis.geometry.primitive.Curve in project geotoolkit by Geomatys.

the class SurfaceImplTest method testLargeSurface.

/**
 * We need to create a large surface with 7000 points
 */
@Test
public void testLargeSurface() {
    int NUMBER = 100000;
    double delta = 360.0 / (double) NUMBER;
    PointArray points = postitionFactory.createPointArray();
    for (double angle = 0.0; angle < 360.0; angle += delta) {
        double[] coordinates = new double[] { Math.sin(Math.toRadians(angle)), Math.cos(Math.toRadians(angle)) };
        DirectPosition point = postitionFactory.createDirectPosition(coordinates);
        points.add(point);
    }
    List<OrientableCurve> curves = new ArrayList<OrientableCurve>();
    // A curve will be created
    // - The curve will be set as parent curves for the Curve segments
    // - Start and end params for the CurveSegments will be set
    List<CurveSegment> segmentList = new ArrayList<CurveSegment>();
    for (int i = 0; i < points.size(); i++) {
        int start = i;
        int end = (i + 1) % points.size();
        DirectPosition point1 = points.getDirectPosition(start, null);
        DirectPosition point2 = points.getDirectPosition(end, null);
        LineSegment segment = geometryFactory.createLineSegment(point1, point2);
        segmentList.add(segment);
    }
    Curve curve = primitiveFactory.createCurve(segmentList);
    curves.add(curve);
    Ring ring = primitiveFactory.createRing(curves);
    SurfaceBoundary boundary = primitiveFactory.createSurfaceBoundary(ring, new ArrayList());
    JTSSurface surface = (JTSSurface) primitiveFactory.createSurface(boundary);
    Geometry peer = surface.computeJTSPeer();
}

Example 4 with Curve

use of org.opengis.geometry.primitive.Curve in project geotoolkit by Geomatys.

the class AbstractGeometryTest method createCurve.

/**
 * A helper method for creating a Curve from an array of DirectPositions
 *
 * @param points
 * @return a <tt>Curve</tt>
 */
protected Curve createCurve(final DirectPosition[] points) {
    final List curveSegmentList = Collections.singletonList(createLineString(points));
    final Curve curve = PRIMITIVE_FACTORY.createCurve(curveSegmentList);
    return curve;
}

Example 5 with Curve

use of org.opengis.geometry.primitive.Curve in project geotoolkit by Geomatys.

the class GMLUtilities method getGMLFromISO.

/**
 * @param geometry The ISO geometry to convert.
 * @return A GML 3.1.1 geometry matching given geometry definition.
 * @deprecated This method should not be used for multiple reasons:
 * <ol>
 * <li>OpenGIS definition is based on an obsolete ISO-19107 draft</li>
 * <li>The GML version is fixed and obsolete</li>
 * <li>Only partial management of geometries</li>
 * </ol>
 */
public static AbstractGeometryType getGMLFromISO(final org.opengis.geometry.Geometry geometry) {
    if (geometry instanceof Point) {
        Point point = (Point) geometry;
        PointType gmlPoint = new PointType(null, point.getDirectPosition());
        return gmlPoint;
    } else if (geometry instanceof OrientableSurface) {
        OrientableSurface surface = (OrientableSurface) geometry;
        SurfaceBoundary boundary = surface.getBoundary();
        Ring exterior = boundary.getExterior();
        List<CurvePropertyType> curves = new ArrayList<CurvePropertyType>();
        for (Primitive p : exterior.getElements()) {
            curves.add(new CurvePropertyType((CurveType) getGMLFromISO(p)));
        }
        RingType gmlExterior = new RingType();
        gmlExterior.getCurveMember().addAll(curves);
        List<Ring> interiors = boundary.getInteriors();
        List<RingType> gmlInteriors = new ArrayList<RingType>();
        for (Ring interior : interiors) {
            List<CurvePropertyType> intcurves = new ArrayList<CurvePropertyType>();
            for (Primitive p : interior.getElements()) {
                intcurves.add(new CurvePropertyType((CurveType) getGMLFromISO(p)));
            }
            RingType gmlinterior = new RingType();
            gmlinterior.getCurveMember().addAll(intcurves);
            gmlInteriors.add(gmlinterior);
        }
        PolygonType poly = new PolygonType(gmlExterior, gmlInteriors);
        return poly;
    } else if (geometry instanceof MultiSurface) {
        MultiSurface multiPrim = (MultiSurface) geometry;
        List<PolygonPropertyType> geometries = new ArrayList<PolygonPropertyType>();
        for (Geometry prim : multiPrim.getElements()) {
            PolygonType element = (PolygonType) getGMLFromISO(prim);
            PolygonPropertyType gp = new PolygonPropertyType((PolygonType) element);
            geometries.add(gp);
        }
        MultiPolygonType gmlMulti = new MultiPolygonType(null, geometries);
        return gmlMulti;
    } else if (geometry instanceof MultiCurve) {
        MultiCurve multiPrim = (MultiCurve) geometry;
        List<CurvePropertyType> geometries = new ArrayList<CurvePropertyType>();
        for (OrientableCurve prim : multiPrim.getElements()) {
            AbstractCurveType element = (AbstractCurveType) getGMLFromISO(prim);
            CurvePropertyType gp = new CurvePropertyType((AbstractCurveType) element);
            geometries.add(gp);
        }
        MultiCurveType gmlMulti = new MultiCurveType(geometries);
        return gmlMulti;
    } else if (geometry instanceof MultiPoint) {
        MultiPoint multiPrim = (MultiPoint) geometry;
        List<PointPropertyType> geometries = new ArrayList<PointPropertyType>();
        for (Point prim : multiPrim.getElements()) {
            PointType element = (PointType) getGMLFromISO(prim);
            PointPropertyType gp = new PointPropertyType((PointType) element);
            geometries.add(gp);
        }
        MultiPointType gmlMulti = new MultiPointType(null, geometries);
        return gmlMulti;
    } else if (geometry instanceof MultiPrimitive) {
        MultiPrimitive multiPrim = (MultiPrimitive) geometry;
        List<GeometryPropertyType> geometries = new ArrayList<GeometryPropertyType>();
        for (Primitive prim : multiPrim.getElements()) {
            AbstractGMLType element = getGMLFromISO(prim);
            GeometryPropertyType gp = new GeometryPropertyType((AbstractGeometryType) element);
            geometries.add(gp);
        }
        MultiGeometryType gmlMulti = new MultiGeometryType(geometries);
        return gmlMulti;
    } else if (geometry instanceof Curve) {
        Curve curve = (Curve) geometry;
        List<? extends CurveSegment> segments = curve.getSegments();
        List<LineStringSegmentType> gmlSegments = new ArrayList<LineStringSegmentType>();
        for (CurveSegment segment : segments) {
            CurveInterpolationType interpolation = CurveInterpolationType.fromValue(segment.getInterpolation().identifier());
            PointArray array = GeometricUtilities.getSamplePoints(segment);
            List<DirectPosition> positions = new ArrayList<DirectPosition>();
            for (int i = 0; i < array.size(); i++) {
                positions.add(array.getDirectPosition(i, null));
            }
            LineStringSegmentType gmlSegment = new LineStringSegmentType(segment.getNumDerivativesAtStart(), segment.getNumDerivativesAtEnd(), segment.getNumDerivativesInterior(), interpolation, positions);
            gmlSegments.add(gmlSegment);
        }
        CurveType gmlCurve = new CurveType(gmlSegments);
        return gmlCurve;
    } else if (geometry instanceof LineString) {
        LineString line = (LineString) geometry;
        PointArray array = GeometricUtilities.getSamplePoints(line);
        List<DirectPosition> positions = new ArrayList<DirectPosition>();
        for (int i = 0; i < array.size(); i++) {
            positions.add(array.getDirectPosition(i, null));
        }
        LineStringType gmlLine = new LineStringType(positions);
        return gmlLine;
    } else if (geometry instanceof Polygon) {
        Polygon polygon = (Polygon) geometry;
        SurfaceBoundary boundary = polygon.getBoundary();
        Ring exterior = boundary.getExterior();
        List<CurvePropertyType> curves = new ArrayList<CurvePropertyType>();
        for (Primitive p : exterior.getElements()) {
            curves.add(new CurvePropertyType((CurveType) getGMLFromISO(p)));
        }
        RingType gmlExterior = new RingType();
        gmlExterior.getCurveMember().addAll(curves);
        List<Ring> interiors = boundary.getInteriors();
        List<RingType> gmlInteriors = new ArrayList<RingType>();
        for (Ring interior : interiors) {
            List<CurvePropertyType> intcurves = new ArrayList<CurvePropertyType>();
            for (Primitive p : interior.getElements()) {
                intcurves.add(new CurvePropertyType((CurveType) getGMLFromISO(p)));
            }
            RingType gmlinterior = new RingType();
            gmlinterior.getCurveMember().addAll(intcurves);
            gmlInteriors.add(gmlinterior);
        }
        PolygonType gmlPolygon = new PolygonType(gmlExterior, gmlInteriors);
        return gmlPolygon;
    } else if (geometry instanceof PolyhedralSurface) {
        PolyhedralSurface polySurface = (PolyhedralSurface) geometry;
        List<PolygonPatchType> gmlPatches = new ArrayList<PolygonPatchType>();
        List<? extends Polygon> patches = polySurface.getPatches();
        for (Polygon polygon : patches) {
            SurfaceInterpolationType interpolation = SurfaceInterpolationType.fromValue(polygon.getInterpolation().identifier());
            SurfaceBoundary boundary = polygon.getBoundary();
            Ring exterior = boundary.getExterior();
            List<CurvePropertyType> curves = new ArrayList<CurvePropertyType>();
            for (Primitive p : exterior.getElements()) {
                curves.add(new CurvePropertyType((CurveType) getGMLFromISO(p)));
            }
            RingType gmlExterior = new RingType();
            gmlExterior.getCurveMember().addAll(curves);
            List<Ring> interiors = boundary.getInteriors();
            List<RingType> gmlInteriors = new ArrayList<RingType>();
            for (Ring interior : interiors) {
                List<CurvePropertyType> intcurves = new ArrayList<CurvePropertyType>();
                for (Primitive p : interior.getElements()) {
                    intcurves.add(new CurvePropertyType((CurveType) getGMLFromISO(p)));
                }
                RingType gmlinterior = new RingType();
                gmlinterior.getCurveMember().addAll(intcurves);
                gmlInteriors.add(gmlinterior);
            }
            PolygonPatchType patche = new PolygonPatchType(interpolation, gmlExterior, gmlInteriors);
            gmlPatches.add(patche);
        }
        PolygonPatchArrayPropertyType pathArray = new PolygonPatchArrayPropertyType(gmlPatches);
        PolyhedralSurfaceType gmlPolySurface = new PolyhedralSurfaceType(pathArray);
        return gmlPolySurface;
    } else {
        System.out.println("unexpected iso geometry type:" + geometry.getClass().getName());
    }
    return null;
}