osmId = area.parent.getId();
if (creativeName == null || area.parent.getTag("name") != null)
creativeName = wayPropertySet.getCreativeNameForWay(area.parent);
for (Ring ring : area.outermostRings) {
for (OSMNode node : ring.nodes) {
envelope.expandToInclude(new Coordinate(node.lon, node.lat));
IntersectionVertex accessVertex = getVertexForOsmNode(node, area.parent);
if (accessVertex.getIncoming().isEmpty()
|| accessVertex.getOutgoing().isEmpty())
continue;
accessVertexes.add(accessVertex);