Examples of com.vividsolutions.jts.geom.GeometryCollection

com.vividsolutions.jts.geom.GeometryCollection
Basic implementation of GeometryCollection. @version 1.7

      Coordinate[] c = new Coordinate[] { coord[i] };
      CoordinateArraySequence cs = new CoordinateArraySequence(c);
      geometries[i] = new Point(cs, gc.getFactory());
    }
    
    return new GeometryCollection(geometries, gc.getFactory());
  }

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import com.vividsolutions.jts.simplify.DouglasPeuckerSimplifier;


public class GraphUtils {


    public static Geometry makeConcaveHull(Graph graph) {
        GeometryCollection geometries = geometryCollectionFromVertices(graph);
        ConcaveHull hull = new ConcaveHull(geometries, 0.01);
        return hull.getConcaveHull();
    }

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        int i = 0;
        for (Vertex v : vertices) {
            points[i++] = gf.createPoint(v.getCoordinate());
        }


        GeometryCollection geometries = new GeometryCollection(points, gf);
        return geometries;
    }

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        Geometry u = geometryFactory.createMultiPolygon(allRings.toArray(new Polygon[allRings
                .size()]));
        u = u.union();


        if (u instanceof GeometryCollection) {
            GeometryCollection mp = (GeometryCollection) u;
            for (int i = 0; i < mp.getNumGeometries(); ++i) {
                Geometry poly = mp.getGeometryN(i);
                if (!(poly instanceof Polygon)) {
                    LOG.warn("Unexpected non-polygon when merging areas: " + poly);
                    continue;
                }
                outermostRings.add(toRing((Polygon) poly, nodeMap));

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                polygons[i] = transformPolygon((Polygon) mp.getGeometryN(i), factory);
            }


            transformed = factory.createMultiPolygon(polygons);
        } else if (g instanceof GeometryCollection) {
            GeometryCollection gc = (GeometryCollection) g;
            Geometry[] geoms = new Geometry[gc.getNumGeometries()];


            for (int i = 0; i < geoms.length; i++) {
                geoms[i] = transform(gc.getGeometryN(i));
            }


            transformed = factory.createGeometryCollection(geoms);
        } else {
            throw new IllegalArgumentException("Unsupported geometry type " + g.getClass());

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            Map hints) throws IOException, OperationNotSupportedException {
            if (!canEncode(element, value, hints)) {
                throw new OperationNotSupportedException("Cannot encode");
            }


            GeometryCollection g = (GeometryCollection) value;


            GMLComplexTypes.encode(element, g, output);
        }

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        // LOGGER.log(Level.WARNING, sdeEx.getMessage());
        // throw sdeEx;
        // }


        int numParts;
        GeometryCollection gcol = null;


        if (geometry instanceof GeometryCollection) {
            gcol = (GeometryCollection) geometry;
        } else {
            Geometry[] geoms = { geometry };
            gcol = new GeometryFactory().createGeometryCollection(geoms);
        }


        List<SDEPoint> allPoints = new ArrayList<SDEPoint>();
        numParts = gcol.getNumGeometries();


        int[] partOffsets = new int[numParts];
        Geometry geom;
        Coordinate[] coords;
        Coordinate c;


        for (int currGeom = 0; currGeom < numParts; currGeom++) {
            partOffsets[currGeom] = allPoints.size();
            geom = gcol.getGeometryN(currGeom);


            coords = geom.getCoordinates();


            for (int i = 0; i < coords.length; i++) {
                c = coords[i];

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    }
    
    @Override
    public Object getProperty(Object object, QName name) throws Exception {
        if (GML.geometryMember.equals(name)) {
            GeometryCollection multiGeometry = (GeometryCollection) object;
            Geometry[] members = new Geometry[multiGeometry.getNumGeometries()];


            for (int i = 0; i < members.length; i++) {
                members[i] = (Geometry) multiGeometry.getGeometryN(i);
            }


            GML3EncodingUtils.setChildIDs(multiGeometry);


            return members;

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     * @return
     */
    private PathIterator getPathIterator(final LiteShape2 shape) {
        // DJB: changed this to handle multi* geometries and line and
        // polygon geometries better
        GeometryCollection gc;
        if (shape.getGeometry() instanceof GeometryCollection)
            gc = (GeometryCollection) shape.getGeometry();
        else {
            Geometry[] gs = new Geometry[1];
            gs[0] = shape.getGeometry();

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        "<Polygon>" +
        "<outerBoundaryIs><LinearRing><coordinates>0,0 1,1 2,2 0,0</coordinates></LinearRing></outerBoundaryIs></Polygon>" +
        "</MultiGeometry>";
        buildDocument(xml);
        
        GeometryCollection gc = (GeometryCollection) parse();
        assertEquals( 3, gc.getNumGeometries() );
        assertTrue( gc.getGeometryN(0) instanceof Point );
        assertTrue( gc.getGeometryN(1) instanceof LineString );
        assertTrue( gc.getGeometryN(2) instanceof Polygon );
    }

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