Example usage for com.google.common.geometry S2LatLng S2LatLng

Introduction

In this page you can find the example usage for com.google.common.geometry S2LatLng S2LatLng.

Prototype

public S2LatLng(S2Point p) 

Source Link

Document

Convert a point (not necessarily normalized) to an S2LatLng.

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);/*ww w  .  j  a  v  a2 s  .  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.bc.geometry.s2.S2WKTWriter.java

@SuppressWarnings("StringBufferReplaceableByString")
private static String writePointWkt(S2Point geometry) {
    final S2LatLng s2LatLng = new S2LatLng(geometry);
    return writePointWkt(s2LatLng);
}

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From source file:com.bc.fiduceo.geometry.s2.BcS2Point.java

static BcS2Point createFrom(S2Point s2Point) {
    return new BcS2Point(new S2LatLng(s2Point));
}

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From source file:com.bc.geometry.s2.S2WKTWriter.java

private static void appendWktPoint(S2Point vertex, StringBuilder builder) {
    final S2LatLng latLng = new S2LatLng(vertex);
    builder.append(latLng.lngDegrees());
    builder.append(" ");
    builder.append(latLng.latDegrees());
}

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