getMapCorners

    /**
     *
     * @return a Pair of two pairs with: top left corner (lat, lon), bottom right corner (lat, lon)
     */
    public Pair<Pair<Double, Double>, Pair<Double, Double>> getMapCorners() {
        GeoPoint topLeft = this.getProjection().fromPixels(0, 0);
        GeoPoint bottomRight = this.getProjection().fromPixels(getWidth(),getHeight());

        double topLeftLat = topLeft.getLatitudeE6() / 1.0E6;
        double topLeftLon = topLeft.getLongitudeE6() / 1.0E6;

        double bottomRightLat = bottomRight.getLatitudeE6() / 1.0E6;
        double bottomRightLon = bottomRight.getLongitudeE6() / 1.0E6;

        return new Pair<Pair<Double, Double>, Pair<Double, Double>>(
                new Pair<Double, Double>(topLeftLat, topLeftLon),
                new Pair<Double, Double>(bottomRightLat, bottomRightLon));
    }