// ===========================================================================
// method definitions
// ===========================================================================
// ---------------------------------------------------------------------------
// static methods
// ---------------------------------------------------------------------------
void
NWWriter_SUMO::writeNetwork(const OptionsCont& oc, NBNetBuilder& nb) {
// check whether a sumo net-file shall be generated
if (!oc.isSet("output-file")) {
return;
}
OutputDevice& device = OutputDevice::getDevice(oc.getString("output-file"));
const std::string lefthand = oc.getBool("lefthand") ? " " + toString(SUMO_ATTR_LEFTHAND) + "=\"true\"" : "";
const int cornerDetail = oc.getInt("junctions.corner-detail");
const int linkDetail = oc.getInt("junctions.internal-link-detail");
const std::string junctionCornerDetail = (cornerDetail > 0
? " " + toString(SUMO_ATTR_CORNERDETAIL) + "=\"" + toString(cornerDetail) + "\"" : "");
const std::string junctionLinkDetail = (oc.isDefault("junctions.internal-link-detail") ? "" :
" " + toString(SUMO_ATTR_LINKDETAIL) + "=\"" + toString(linkDetail) + "\"");
device.writeXMLHeader("net", NWFrame::MAJOR_VERSION + lefthand + junctionCornerDetail + junctionLinkDetail +
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:noNamespaceSchemaLocation=\"http://sumo.dlr.de/xsd/net_file.xsd\""); // street names may contain non-ascii chars
device.lf();
// get involved container
const NBNodeCont& nc = nb.getNodeCont();
const NBEdgeCont& ec = nb.getEdgeCont();
const NBDistrictCont& dc = nb.getDistrictCont();
// write network offsets and projection
GeoConvHelper::writeLocation(device);
// write edge types and restrictions
nb.getTypeCont().writeTypes(device);
// write inner lanes
bool origNames = oc.getBool("output.original-names");
if (!oc.getBool("no-internal-links")) {
bool hadAny = false;
for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
hadAny |= writeInternalEdges(device, *(*i).second, origNames);
}
if (hadAny) {
device.lf();
}
}
// write edges with lanes and connected edges
bool noNames = !oc.getBool("output.street-names");
for (std::map<std::string, NBEdge*>::const_iterator i = ec.begin(); i != ec.end(); ++i) {
writeEdge(device, *(*i).second, noNames, origNames);
}
device.lf();
// write tls logics
writeTrafficLights(device, nb.getTLLogicCont());
// write the nodes (junctions)
std::set<NBNode*> roundaboutNodes;
const bool checkLaneFoesAll = oc.getBool("check-lane-foes.all");
const bool checkLaneFoesRoundabout = !checkLaneFoesAll && oc.getBool("check-lane-foes.roundabout");
if (checkLaneFoesRoundabout) {
const std::set<EdgeSet>& roundabouts = ec.getRoundabouts();
for (std::set<EdgeSet>::const_iterator i = roundabouts.begin(); i != roundabouts.end(); ++i) {
for (EdgeSet::const_iterator j = (*i).begin(); j != (*i).end(); ++j) {
roundaboutNodes.insert((*j)->getToNode());
}
}
}
for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
const bool checkLaneFoes = checkLaneFoesAll || (checkLaneFoesRoundabout && roundaboutNodes.count((*i).second) > 0);
writeJunction(device, *(*i).second, checkLaneFoes);
}
device.lf();
const bool includeInternal = !oc.getBool("no-internal-links");
if (includeInternal) {
// ... internal nodes if not unwanted
bool hadAny = false;
for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
hadAny |= writeInternalNodes(device, *(*i).second);
}
if (hadAny) {
device.lf();
}
}
// write the successors of lanes
unsigned int numConnections = 0;
for (std::map<std::string, NBEdge*>::const_iterator it_edge = ec.begin(); it_edge != ec.end(); it_edge++) {
NBEdge* from = it_edge->second;
from->sortOutgoingConnectionsByIndex();
const std::vector<NBEdge::Connection> connections = from->getConnections();
numConnections += (unsigned int)connections.size();
for (std::vector<NBEdge::Connection>::const_iterator it_c = connections.begin(); it_c != connections.end(); it_c++) {
writeConnection(device, *from, *it_c, includeInternal);
}
}
if (numConnections > 0) {
device.lf();
}
if (includeInternal) {
// ... internal successors if not unwanted
bool hadAny = false;
for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
hadAny |= writeInternalConnections(device, *(*i).second);
}
if (hadAny) {
device.lf();
}
}
for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
NBNode* node = (*i).second;
// write connections from pedestrian crossings
const std::vector<NBNode::Crossing>& crossings = node->getCrossings();
for (std::vector<NBNode::Crossing>::const_iterator it = crossings.begin(); it != crossings.end(); it++) {
NWWriter_SUMO::writeInternalConnection(device, (*it).id, (*it).nextWalkingArea, 0, 0, "");
}
// write connections from pedestrian walking areas
const std::vector<NBNode::WalkingArea>& WalkingAreas = node->getWalkingAreas();
for (std::vector<NBNode::WalkingArea>::const_iterator it = WalkingAreas.begin(); it != WalkingAreas.end(); it++) {
if ((*it).nextCrossing != "") {
const NBNode::Crossing& nextCrossing = node->getCrossing((*it).nextCrossing);
// connection to next crossing (may be tls-controlled)
device.openTag(SUMO_TAG_CONNECTION);
device.writeAttr(SUMO_ATTR_FROM, (*it).id);
device.writeAttr(SUMO_ATTR_TO, (*it).nextCrossing);
device.writeAttr(SUMO_ATTR_FROM_LANE, 0);
device.writeAttr(SUMO_ATTR_TO_LANE, 0);
if (node->isTLControlled()) {
device.writeAttr(SUMO_ATTR_TLID, (*node->getControllingTLS().begin())->getID());
assert(nextCrossing.tlLinkNo >= 0);
device.writeAttr(SUMO_ATTR_TLLINKINDEX, nextCrossing.tlLinkNo);
}
device.writeAttr(SUMO_ATTR_DIR, LINKDIR_STRAIGHT);
device.writeAttr(SUMO_ATTR_STATE, nextCrossing.priority ? LINKSTATE_MAJOR : LINKSTATE_MINOR);
device.closeTag();
}
// optional connections from/to sidewalk
for (std::vector<std::string>::const_iterator it_sw = (*it).nextSidewalks.begin(); it_sw != (*it).nextSidewalks.end(); ++it_sw) {
NWWriter_SUMO::writeInternalConnection(device, (*it).id, (*it_sw), 0, 0, "");
}
for (std::vector<std::string>::const_iterator it_sw = (*it).prevSidewalks.begin(); it_sw != (*it).prevSidewalks.end(); ++it_sw) {
NWWriter_SUMO::writeInternalConnection(device, (*it_sw), (*it).id, 0, 0, "");
}
}
}
// write loaded prohibitions
for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
writeProhibitions(device, i->second->getProhibitions());
}
// write roundabout information
writeRoundabouts(device, ec.getRoundabouts(), ec);
// write the districts
for (std::map<std::string, NBDistrict*>::const_iterator i = dc.begin(); i != dc.end(); i++) {
writeDistrict(device, *(*i).second);
}
if (dc.size() != 0) {
device.lf();
}
device.close();
}
bool
NWWriter_SUMO::writeInternalEdges(OutputDevice& into, const NBNode& n, bool origNames) {
bool ret = false;
const EdgeVector& incoming = n.getIncomingEdges();
for (EdgeVector::const_iterator i = incoming.begin(); i != incoming.end(); i++) {
const std::vector<NBEdge::Connection>& elv = (*i)->getConnections();
if (elv.size() > 0) {
bool haveVia = false;
NBEdge* toEdge = 0;
std::string internalEdgeID = "";
// first pass: compute average lengths of non-via edges
std::map<NBEdge*, SUMOReal> lengthSum;
std::map<NBEdge*, int> numLanes;
for (std::vector<NBEdge::Connection>::const_iterator k = elv.begin(); k != elv.end(); ++k) {
lengthSum[(*k).toEdge] += MAX2((*k).shape.length(), POSITION_EPS);
numLanes[(*k).toEdge] += 1;
}
// second pass: write non-via edges
for (std::vector<NBEdge::Connection>::const_iterator k = elv.begin(); k != elv.end(); ++k) {
if ((*k).toEdge == 0) {
assert(false); // should never happen. tell me when it does
continue;
}
if (toEdge != (*k).toEdge) {
internalEdgeID = (*k).id;
if (toEdge != 0) {
// close the previous edge
into.closeTag();
}
toEdge = (*k).toEdge;
into.openTag(SUMO_TAG_EDGE);
into.writeAttr(SUMO_ATTR_ID, internalEdgeID);
into.writeAttr(SUMO_ATTR_FUNCTION, EDGEFUNC_INTERNAL);
// open a new edge
}
// to avoid changing to an internal lane which has a successor
// with the wrong permissions we need to inherit them from the successor
const NBEdge::Lane& successor = (*k).toEdge->getLanes()[(*k).toLane];
const SUMOReal length = lengthSum[toEdge] / numLanes[toEdge];
// @note the actual length should be used once sumo supports lanes of
// varying length within the same edge
//const SUMOReal length = MAX2((*k).shape.length(), POSITION_EPS);
writeLane(into, internalEdgeID, (*k).getInternalLaneID(), (*k).vmax,
successor.permissions, successor.preferred,
NBEdge::UNSPECIFIED_OFFSET, successor.width, (*k).shape, (*k).origID,
length, (*k).internalLaneIndex, origNames, &n);
haveVia = haveVia || (*k).haveVia;
}
ret = true;
into.closeTag(); // close the last edge
// third pass: write via edges
if (haveVia) {
for (std::vector<NBEdge::Connection>::const_iterator k = elv.begin(); k != elv.end(); ++k) {
if (!(*k).haveVia) {
continue;
}
if ((*k).toEdge == 0) {
assert(false); // should never happen. tell me when it does
continue;
}
const NBEdge::Lane& successor = (*k).toEdge->getLanes()[(*k).toLane];
into.openTag(SUMO_TAG_EDGE);
into.writeAttr(SUMO_ATTR_ID, (*k).viaID);
into.writeAttr(SUMO_ATTR_FUNCTION, EDGEFUNC_INTERNAL);
writeLane(into, (*k).viaID, (*k).viaID + "_0", (*k).viaVmax, SVCAll, SVCAll,
NBEdge::UNSPECIFIED_OFFSET, successor.width, (*k).viaShape, (*k).origID,
MAX2((*k).viaShape.length(), POSITION_EPS), // microsim needs positive length
0, origNames, &n);
into.closeTag();
}
}
}
}
// write pedestrian crossings
const std::vector<NBNode::Crossing>& crossings = n.getCrossings();
for (std::vector<NBNode::Crossing>::const_iterator it = crossings.begin(); it != crossings.end(); it++) {
into.openTag(SUMO_TAG_EDGE);
into.writeAttr(SUMO_ATTR_ID, (*it).id);
into.writeAttr(SUMO_ATTR_FUNCTION, EDGEFUNC_CROSSING);
into.writeAttr(SUMO_ATTR_CROSSING_EDGES, (*it).edges);
writeLane(into, (*it).id, (*it).id + "_0", 1, SVC_PEDESTRIAN, 0,
NBEdge::UNSPECIFIED_OFFSET, (*it).width, (*it).shape, "", (*it).shape.length(), 0, false, &n);
into.closeTag();
}
// write pedestrian walking areas
const std::vector<NBNode::WalkingArea>& WalkingAreas = n.getWalkingAreas();
for (std::vector<NBNode::WalkingArea>::const_iterator it = WalkingAreas.begin(); it != WalkingAreas.end(); it++) {
const NBNode::WalkingArea& wa = *it;
into.openTag(SUMO_TAG_EDGE);
into.writeAttr(SUMO_ATTR_ID, wa.id);
into.writeAttr(SUMO_ATTR_FUNCTION, EDGEFUNC_WALKINGAREA);
writeLane(into, wa.id, wa.id + "_0", 1, SVC_PEDESTRIAN, 0,
NBEdge::UNSPECIFIED_OFFSET, wa.width, wa.shape, "", wa.length, 0, false, &n);
into.closeTag();
}
return ret;
}