std::map<unsigned long long int,RelationPtr> Network::getAdministrativeBoundaries(int admin_level) {
std::map<unsigned long long int, RelationPtr> ret;
std::map<unsigned long long int, RelationPtr>::const_iterator it = relations.begin();
while (it != relations.end()) {
RelationPtr relation = it->second;
if(relation->hasTag(Element::TAG_BOUNDARY) &&
relation->hasTag(Element::TAG_ADMINLEVEL) &&
boost::iequals(relation->getTag(Element::TAG_BOUNDARY), "administrative") &&
relation->getTag(Element::TAG_ADMINLEVEL) == boost::lexical_cast<std::string>(admin_level) ){
if(relation->toGeometry())
ret[relation->getId()] = relation;
}
it++;
}
return ret;
}
