Example usage for com.google.common.geometry S2Cell S2Cell

Introduction

In this page you can find the example usage for com.google.common.geometry S2Cell S2Cell.

Prototype

public S2Cell(S2LatLng ll) 

Source Link

Usage

From source file:org.esa.beam.occci.MerisCoverageMain.java

public static void main(String[] args) throws ParseException {
    S2Polygon polygon = S2EoProduct.createPolygon(poly);
    //        System.out.println("polygon = " + polygon);

    S2RegionCoverer coverer = new S2RegionCoverer();
    coverer.setMinLevel(0);/*from w  w  w  .j  a va 2s.  c  o  m*/
    coverer.setMaxLevel(5);
    coverer.setMaxCells(500);
    S2CellUnion covering = coverer.getCovering(polygon);

    final GeometryFactory factory = new GeometryFactory();
    List<S2CellId> s2CellIds = covering.cellIds();
    System.out.println("s2CellIds.size() = " + s2CellIds.size());
    List<Polygon> polys = new ArrayList<>();

    for (S2CellId s2CellId : s2CellIds) {
        //            System.out.println("s2CellId = " + s2CellId);
        ArrayList<double[]> coordList = new ArrayList<double[]>();

        //System.out.println("s2CellId = " + s2CellId);
        S2Cell s2Cell = new S2Cell(s2CellId);
        //System.out.println("s2Cell = " + s2Cell);
        S2LatLng s2LatLng = new S2LatLng(s2Cell.getVertex(0));
        coordList.add(new double[] { s2LatLng.lat().degrees(), s2LatLng.lng().degrees() });

        s2LatLng = new S2LatLng(s2Cell.getVertex(1));
        coordList.add(new double[] { s2LatLng.lat().degrees(), s2LatLng.lng().degrees() });

        s2LatLng = new S2LatLng(s2Cell.getVertex(2));
        coordList.add(new double[] { s2LatLng.lat().degrees(), s2LatLng.lng().degrees() });

        s2LatLng = new S2LatLng(s2Cell.getVertex(3));
        coordList.add(new double[] { s2LatLng.lat().degrees(), s2LatLng.lng().degrees() });

        s2LatLng = new S2LatLng(s2Cell.getVertex(0));
        coordList.add(new double[] { s2LatLng.lat().degrees(), s2LatLng.lng().degrees() });

        final Coordinate[] coordinates = new Coordinate[coordList.size()];
        for (int i1 = 0; i1 < coordinates.length; i1++) {
            final double[] coord = coordList.get(i1);
            coordinates[i1] = new Coordinate(coord[1], coord[0]);
        }
        Polygon p = factory.createPolygon(factory.createLinearRing(coordinates));
        //System.out.println(p);
        polys.add(p);
    }
    MultiPolygon multiPolygon = factory.createMultiPolygon(polys.toArray(new Polygon[polys.size()]));

    Geometry simplify = TopologyPreservingSimplifier.simplify(multiPolygon, 0.01);
    System.out.println(multiPolygon);
    System.out.println(simplify);
    Geometry origin = new WKTReader().read(poly);
    Geometry both = multiPolygon.union(origin);
    System.out.println(both);

}

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From source file:com.amazonaws.geo.s2.internal.S2Manager.java

private static boolean containsGeodataToFind(S2CellId c, S2LatLngRect latLngRect) {
    if (latLngRect != null) {
        return latLngRect.intersects(new S2Cell(c));
    }//from   w w  w . j  a  v a  2s  .c  o m

    return false;
}

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From source file:com.amazonaws.geo.s2.internal.S2Manager.java

public static long generateGeohash(GeoPoint geoPoint) {
    S2LatLng latLng = S2LatLng.fromDegrees(geoPoint.getLatitude(), geoPoint.getLongitude());
    S2Cell cell = new S2Cell(latLng);
    S2CellId cellId = cell.id();/*from   w w  w  . jav a  2s.  c  om*/

    return cellId.id();
}

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From source file:org.apache.lucene.spatial.spatial4j.Geo3dShapeFactory.java

@Override
public Shape getS2CellShape(S2CellId cellId) {
    S2Cell cell = new S2Cell(cellId);
    GeoPoint point1 = getGeoPoint(cell.getVertexRaw(0));
    GeoPoint point2 = getGeoPoint(cell.getVertexRaw(1));
    GeoPoint point3 = getGeoPoint(cell.getVertexRaw(2));
    GeoPoint point4 = getGeoPoint(cell.getVertexRaw(3));
    return new Geo3dShape<>(GeoS2ShapeFactory.makeGeoS2Shape(planetModel, point1, point2, point3, point4),
            context);/*from w w w  .  j a  va2s  .  c  o  m*/
}

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