Examples with JTSMultiSurface org.geotoolkit.geometry.isoonjts.spatialschema.geometry.aggregate.JTSMultiSurface used on opensource projects

Example 1 with JTSMultiSurface

use of org.geotoolkit.geometry.isoonjts.spatialschema.geometry.aggregate.JTSMultiSurface in project geotoolkit by Geomatys.

the class JTSUtils method toISO.

/**
 * Creates a 19107 primitive geometry from the given JTS geometry.
 */
public static Geometry toISO(final org.locationtech.jts.geom.Geometry jtsGeom, CoordinateReferenceSystem crs) {
    if (jtsGeom == null) {
        return null;
    }
    if (crs == null) {
        // try to extract the crs from the srid
        final int srid = jtsGeom.getSRID();
        if (srid != 0) {
            final String strCRS = SRIDGenerator.toSRS(srid, SRIDGenerator.Version.V1);
            try {
                crs = CRS.forCode(strCRS);
            } catch (FactoryException ex) {
                Logger.getLogger("org.geotoolkit.geometry.isoonjts").log(Level.SEVERE, null, ex);
            }
        }
    }
    // TODO use factory finder when primitive factory and geometry factory are ready.
    // FactoryFinder.getPrimitiveFactory(hints);
    final PrimitiveFactory pf = new JTSPrimitiveFactory(crs);
    // FactoryFinder.getGeometryFactory(hints);
    final GeometryFactory gf = new JTSGeometryFactory(crs);
    if (jtsGeom instanceof org.locationtech.jts.geom.Point) {
        org.locationtech.jts.geom.Point candidate = (org.locationtech.jts.geom.Point) jtsGeom;
        DirectPosition dp = pointToDirectPosition(candidate, crs);
        return pf.createPoint(dp);
    } else if (jtsGeom instanceof org.locationtech.jts.geom.LineString) {
        org.locationtech.jts.geom.LineString candidate = (org.locationtech.jts.geom.LineString) jtsGeom;
        LineString ls = gf.createLineString(new ArrayList<Position>());
        PointArray pointList = ls.getControlPoints();
        for (int i = 0, n = candidate.getNumPoints(); i < n; i++) {
            pointList.add(coordinateToDirectPosition(candidate.getCoordinateN(i), crs));
        }
        return (JTSLineString) ls;
    } else if (jtsGeom instanceof org.locationtech.jts.geom.LinearRing) {
        return linearRingToRing((org.locationtech.jts.geom.LinearRing) jtsGeom, crs);
    } else if (jtsGeom instanceof org.locationtech.jts.geom.Polygon) {
        org.locationtech.jts.geom.Polygon jtsPolygon = (org.locationtech.jts.geom.Polygon) jtsGeom;
        Ring externalRing = linearRingToRing((org.locationtech.jts.geom.LinearRing) jtsPolygon.getExteriorRing(), crs);
        ArrayList internalRings = new ArrayList();
        for (int i = 0, n = jtsPolygon.getNumInteriorRing(); i < n; i++) {
            internalRings.add(linearRingToRing((org.locationtech.jts.geom.LinearRing) jtsPolygon.getInteriorRingN(i), crs));
        }
        SurfaceBoundary boundary = pf.createSurfaceBoundary(externalRing, internalRings);
        Polygon polygon = gf.createPolygon(boundary);
        return (JTSPolygon) polygon;
    /*ArrayList<Polygon> patches = new ArrayList<Polygon>();
            patches.add(polygon);
            PolyhedralSurface result = gf.createPolyhedralSurface(patches);
            return result;*/
    } else if (jtsGeom instanceof GeometryCollection) {
        org.locationtech.jts.geom.GeometryCollection jtsCollection = (org.locationtech.jts.geom.GeometryCollection) jtsGeom;
        boolean multiPoint = jtsGeom instanceof MultiPoint;
        boolean multiCurve = jtsGeom instanceof MultiLineString;
        boolean multiSurface = jtsGeom instanceof MultiPolygon;
        // determine it by analyzing its content.
        if (!(multiPoint || multiCurve || multiSurface || jtsGeom.isEmpty())) {
            multiPoint = multiCurve = multiSurface = true;
            for (int i = 0, n = jtsCollection.getNumGeometries(); i < n && (multiPoint || multiCurve || multiSurface); i++) {
                if (!(jtsCollection.getGeometryN(i) instanceof org.locationtech.jts.geom.Point)) {
                    multiPoint = false;
                }
                if (!(jtsCollection.getGeometryN(i) instanceof org.locationtech.jts.geom.LineString)) {
                    multiCurve = false;
                }
                if (!(jtsCollection.getGeometryN(i) instanceof org.locationtech.jts.geom.Polygon)) {
                    multiSurface = false;
                }
            }
        }
        AbstractJTSAggregate result;
        if (multiPoint) {
            result = new JTSMultiPoint(crs);
            Set elements = result.getElements();
            for (int i = 0, n = jtsCollection.getNumGeometries(); i < n; i++) {
                // result.getElements().add(jtsToGo1(jtsCollection.getGeometryN(i), crs));
                elements.add(toISO(jtsCollection.getGeometryN(i), crs));
            }
        } else if (multiCurve) {
            result = new JTSMultiCurve(crs);
            Set elements = result.getElements();
            for (int i = 0, n = jtsCollection.getNumGeometries(); i < n; i++) {
                // result.getElements().add(jtsToGo1(jtsCollection.getGeometryN(i), crs));
                Geometry element = toISO(jtsCollection.getGeometryN(i), crs);
                if (element instanceof JTSLineString) {
                    JTSCurve curve = new JTSCurve(crs);
                    curve.getSegments().add((JTSLineString) element);
                    element = curve;
                }
                elements.add(element);
            }
        } else if (multiSurface) {
            result = new JTSMultiSurface(crs);
            Set elements = result.getElements();
            for (int i = 0, n = jtsCollection.getNumGeometries(); i < n; i++) {
                // result.getElements().add(jtsToGo1(jtsCollection.getGeometryN(i), crs));
                elements.add(toISO(jtsCollection.getGeometryN(i), crs));
            }
        } else {
            result = new JTSMultiPrimitive();
            Set elements = result.getElements();
            for (int i = 0, n = jtsCollection.getNumGeometries(); i < n; i++) {
                // result.getElements().add(jtsToGo1(jtsCollection.getGeometryN(i), crs));
                elements.add(toISO(jtsCollection.getGeometryN(i), crs));
            }
        }
        return result;
    } else {
        throw new IllegalArgumentException("Unsupported geometry type: " + jtsGeom.getGeometryType());
    }
}