void
NIVissimDistrictConnection::dict_BuildDistrictNodes(NBDistrictCont& dc,
NBNodeCont& nc) {
for (std::map<int, std::vector<int> >::iterator k = myDistrictsConnections.begin(); k != myDistrictsConnections.end(); k++) {
// get the connections
const std::vector<int>& connections = (*k).second;
// retrieve the current district
std::string dsid = toString<int>((*k).first);
NBDistrict* district = new NBDistrict(dsid);
dc.insert(district);
// compute the middle of the district
PositionVector pos;
for (std::vector<int>::const_iterator j = connections.begin(); j != connections.end(); j++) {
NIVissimDistrictConnection* c = dictionary(*j);
pos.push_back(c->geomPosition());
}
Position distCenter = pos.getPolygonCenter();
if (connections.size() == 1) { // !!! ok, ok, maybe not the best way just to add an offset
distCenter.add(10, 10);
}
district->setCenter(distCenter);
// build the node
std::string id = "District" + district->getID();
NBNode* districtNode =
new NBNode(id, district->getPosition(), district);
if (!nc.insert(districtNode)) {
throw 1;
}
}
}
std::pair<NBNode*, NBNode*>
NIVissimEdge::resolveSameNode(NBNodeCont& nc, SUMOReal offset,
NBNode* prevFrom, NBNode* prevTo) {
// check whether the edge is connected to a district
// use it if so
NIVissimDistrictConnection* d =
NIVissimDistrictConnection::dict_findForEdge(myID);
if (d != 0) {
Position pos = d->geomPosition();
SUMOReal position = d->getPosition();
// the district is at the begin of the edge
if (myGeom.length() - position > position) {
std::string nid = "ParkingPlace" + toString<int>(d->getID());
NBNode* node = nc.retrieve(nid);
if (node == 0) {
node = new NBNode(nid,
pos, NODETYPE_NOJUNCTION);
if (!nc.insert(node)) {
throw 1;
}
}
return std::pair<NBNode*, NBNode*>(node, prevTo);
}
// the district is at the end of the edge
else {
std::string nid = "ParkingPlace" + toString<int>(d->getID());
NBNode* node = nc.retrieve(nid);
if (node == 0) {
node = new NBNode(nid, pos, NODETYPE_NOJUNCTION);
if (!nc.insert(node)) {
throw 1;
}
}
assert(node != 0);
return std::pair<NBNode*, NBNode*>(prevFrom, node);
}
}
// otherwise, check whether the edge is some kind of
// a dead end...
// check which end is nearer to the node centre
if (myConnectionClusters.size() == 1) {
NBNode* node = prevFrom; // it is the same as getToNode()
NIVissimConnectionCluster* c = *(myConnectionClusters.begin());
// no end node given
if (c->around(myGeom.front(), offset) && !c->around(myGeom.back(), offset)) {
NBNode* end = new NBNode(
toString<int>(myID) + "-End",
myGeom.back(),
NODETYPE_NOJUNCTION);
if (!nc.insert(end)) {
throw 1;
}
return std::pair<NBNode*, NBNode*>(node, end);
}
// no begin node given
if (!c->around(myGeom.front(), offset) && c->around(myGeom.back(), offset)) {
NBNode* beg = new NBNode(
toString<int>(myID) + "-Begin",
myGeom.front(),
NODETYPE_NOJUNCTION);
if (!nc.insert(beg)) {
std::cout << "nope, NIVissimDisturbance" << std::endl;
throw 1;
}
return std::pair<NBNode*, NBNode*>(beg, node);
}
// self-loop edge - both points lie within the same cluster
if (c->around(myGeom.front()) && c->around(myGeom.back())) {
return std::pair<NBNode*, NBNode*>(node, node);
}
}
// what to do in other cases?
// It simply is a self-looping edge....
return std::pair<NBNode*, NBNode*>(prevFrom, prevTo);
}