String gmlNamespace = getDDMSVersion().getGmlNamespace();
_polygons = new ArrayList<Polygon>();
_points = new ArrayList<Point>();
Elements polygons = element.getChildElements(Polygon.getName(getDDMSVersion()), gmlNamespace);
for (int i = 0; i < polygons.size(); i++) {
_polygons.add(new Polygon(polygons.get(i)));
}
Elements points = element.getChildElements(Point.getName(getDDMSVersion()), gmlNamespace);
for (int i = 0; i < points.size(); i++) {
_points.add(new Point(points.get(i)));
}