C++ NBEdge类代码示例

void
GNEConnectorFrame::initTargets() {
    // gather potential targets
    NBNode* nbn = myCurrentLane->getParentEdge().getGNEJunctionDestiny()->getNBNode();

    const EdgeVector& outgoing = nbn->getOutgoingEdges();
    for (EdgeVector::const_iterator it = outgoing.begin(); it != outgoing.end(); it++) {
        GNEEdge* edge = myViewNet->getNet()->retrieveEdge((*it)->getID());
        const GNEEdge::LaneVector& lanes = edge->getLanes();
        for (GNEEdge::LaneVector::const_iterator it_lane = lanes.begin(); it_lane != lanes.end(); it_lane++) {
            myPotentialTargets.insert(*it_lane);
        }
    }
    // set color for existing connections
    const int fromIndex = myCurrentLane->getIndex();
    NBEdge* srcEdge = myCurrentLane->getParentEdge().getNBEdge();
    std::vector<NBEdge::Connection> connections = srcEdge->getConnectionsFromLane(fromIndex);
    for (std::set<GNELane*>::iterator it = myPotentialTargets.begin(); it != myPotentialTargets.end(); it++) {
        switch (getLaneStatus(connections, *it)) {
            case CONNECTED:
                (*it)->setSpecialColor(&targetColor);
                break;
            case CONNECTED_PASS:
                (*it)->setSpecialColor(&targetPassColor);
                break;
            case CONFLICTED:
                (*it)->setSpecialColor(&conflictColor);
                break;
            case UNCONNECTED:
                (*it)->setSpecialColor(&potentialTargetColor);
                break;
        }
    }
}

long
GNEConnectorFrame::onCmdSelectDeadStarts(FXObject*, FXSelector, void*) {
    GNENet* net = myViewNet->getNet();
    std::set<GUIGlID> selectIDs;
    // every edge knows only its outgoing connections so we look at whole junctions
    const std::vector<GNEJunction*> junctions = net->retrieveJunctions();
    for (std::vector<GNEJunction*>::const_iterator junction_it = junctions.begin(); junction_it != junctions.end(); junction_it++) {
        // first collect all outgoing lanes
        const EdgeVector& outgoing = (*junction_it)->getNBNode()->getOutgoingEdges();
        for (EdgeVector::const_iterator it = outgoing.begin(); it != outgoing.end(); it++) {
            GNEEdge* edge = net->retrieveEdge((*it)->getID());
            const std::set<GUIGlID> laneIDs = edge->getLaneGlIDs();
            for (std::set<GUIGlID>::const_iterator lid_it = laneIDs.begin(); lid_it != laneIDs.end(); lid_it++) {
                selectIDs.insert(*lid_it);
            }
        }
        // then remove all approached lanes
        const EdgeVector& incoming = (*junction_it)->getNBNode()->getIncomingEdges();
        for (EdgeVector::const_iterator it = incoming.begin(); it != incoming.end(); it++) {
            GNEEdge* edge = net->retrieveEdge((*it)->getID());
            NBEdge* nbe = edge->getNBEdge();
            const std::vector<NBEdge::Connection>& connections = nbe->getConnections();
            for (std::vector<NBEdge::Connection>::const_iterator con_it = connections.begin(); con_it != connections.end(); con_it++) {
                GNEEdge* approachedEdge = net->retrieveEdge(con_it->toEdge->getID());
                GNELane* approachedLane = approachedEdge->getLanes()[con_it->toLane];
                selectIDs.erase(approachedLane->getGlID());
            }
        }
    }
    myViewNet->getViewParent()->getSelectorFrame()->handleIDs(
        std::vector<GUIGlID>(selectIDs.begin(), selectIDs.end()),
        false, GNESelectorFrame::SET_REPLACE);
    return 1;
}

bool
NIImporter_DlrNavteq::TrafficlightsHandler::report(const std::string& result) {
// #ID     POICOL-TYPE     DESCRIPTION     LONGITUDE       LATITUDE        NAVTEQ_LINK_ID  NODEID

    if (result[0] == '#') {
        return true;
    }
    StringTokenizer st(result, StringTokenizer::WHITECHARS);
    const std::string edgeID = st.get(5);
    NBEdge* edge = myEdgeCont.retrieve(edgeID);
    if (edge == nullptr) {
        WRITE_WARNING("The traffic light edge '" + edgeID + "' could not be found");
    } else {
        NBNode* node = edge->getToNode();
        if (node->getType() != NODETYPE_TRAFFIC_LIGHT) {
            node->reinit(node->getPosition(), NODETYPE_TRAFFIC_LIGHT);
            // @note. There may be additional information somewhere in the GDF files about traffic light type ...
            TrafficLightType type = SUMOXMLDefinitions::TrafficLightTypes.get(OptionsCont::getOptions().getString("tls.default-type"));
            // @note actually we could use the navteq node ID here
            NBTrafficLightDefinition* tlDef = new NBOwnTLDef(node->getID(), node, 0, type);
            if (!myTLLogicCont.insert(tlDef)) {
                // actually, nothing should fail here
                delete tlDef;
                throw ProcessError("Could not allocate tls for '" + node->getID() + "'.");
            }
        }
    }
    return true;
}

void
NWWriter_DlrNavteq::writeConnectedLanes(const OptionsCont& oc, NBNodeCont& nc) {
    OutputDevice& device = OutputDevice::getDevice(oc.getString("dlr-navteq-output") + "_connected_lanes.txt");
    writeHeader(device, oc);
    // write format specifier
    device << "#Lane connections related to LINK-IDs and NODE-ID.\n";
    device << "#column format like pointcollection.\n";
    device << "#NODE-ID\tVEHICLE-TYPE\tFROM_LANE\tTO_LANE\tTHROUGH_TRAFFIC\tLINK_IDs[2..*]\n";
    // write record for every connection
    for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
        NBNode* n = (*i).second;
        const EdgeVector& incoming = n->getIncomingEdges();
        for (EdgeVector::const_iterator j = incoming.begin(); j != incoming.end(); ++j) {
            NBEdge* from = *j;
            const SVCPermissions fromPerm = from->getPermissions();
            const std::vector<NBEdge::Connection>& connections = from->getConnections();
            for (std::vector<NBEdge::Connection>::const_iterator it_c = connections.begin(); it_c != connections.end(); it_c++) {
                const NBEdge::Connection& c = *it_c;
                device
                        << n->getID() << "\t"
                        << getAllowedTypes(fromPerm & c.toEdge->getPermissions()) << "\t"
                        << c.fromLane + 1 << "\t" // one-based
                        << c.toLane + 1 << "\t" // one-based
                        << 1 << "\t" // no information regarding permissibility of through traffic
                        << from->getID() << "\t"
                        << c.toEdge->getID() << "\t"
                        << "\n";
            }
        }
    }
    device.close();
}

void
NWWriter_DlrNavteq::writeTrafficSignals(const OptionsCont& oc, NBNodeCont& nc) {
    OutputDevice& device = OutputDevice::getDevice(oc.getString("dlr-navteq-output") + "_traffic_signals.txt");
    writeHeader(device, oc);
    const GeoConvHelper& gch = GeoConvHelper::getFinal();
    const bool haveGeo = gch.usingGeoProjection();
    const SUMOReal geoScale = pow(10.0f, haveGeo ? 5 : 2); // see NIImporter_DlrNavteq::GEO_SCALE
    device.setPrecision(0);
    // write format specifier
    device << "#Traffic signal related to LINK_ID and NODE_ID with location relative to driving direction.\n#column format like pointcollection.\n#DESCRIPTION->LOCATION: 1-rechts von LINK; 2-links von LINK; 3-oberhalb LINK -1-keineAngabe\n#RELATREC_ID\tPOICOL_TYPE\tDESCRIPTION\tLONGITUDE\tLATITUDE\tLINK_ID\n";
    // write record for every edge incoming to a tls controlled node
    for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
        NBNode* n = (*i).second;
        if (n->isTLControlled()) {
            Position pos = n->getPosition();
            gch.cartesian2geo(pos);
            pos.mul(geoScale);
            const EdgeVector& incoming = n->getIncomingEdges();
            for (EdgeVector::const_iterator it = incoming.begin(); it != incoming.end(); ++it) {
                NBEdge* e = *it;
                device << e->getID() << "\t"
                       << "12\t" // POICOL_TYPE
                       << "LSA;NODEIDS#" << n->getID() << "#;LOCATION#-1#;\t"
                       << pos.x() << "\t"
                       << pos.y() << "\t"
                       << e->getID() << "\n";
            }
        }
    }
}

void
GNEJunction::setLogicValid(bool valid, GNEUndoList* undoList, const std::string& status) {
    myHasValidLogic = valid;
    if (!valid) {
        assert(undoList != 0);
        assert(undoList->hasCommandGroup());
        undoList->add(new GNEChange_Attribute(this, GNE_ATTR_MODIFICATION_STATUS, status));
        // allow edges to recompute their connections
        NBTurningDirectionsComputer::computeTurnDirectionsForNode(&myNBNode, false);
        EdgeVector incoming = EdgeVector(myNBNode.getIncomingEdges());
        for (EdgeVector::iterator it = incoming.begin(); it != incoming.end(); it++) {
            NBEdge* srcNBE = *it;
            NBEdge* turnEdge = srcNBE->getTurnDestination();
            GNEEdge* srcEdge = myNet->retrieveEdge(srcNBE->getID());
            std::vector<NBEdge::Connection> connections = srcNBE->getConnections(); // make a copy!
            // delete in reverse so that undoing will add connections in the original order
            for (std::vector<NBEdge::Connection>::reverse_iterator con_it = connections.rbegin(); con_it != connections.rend(); con_it++) {
                bool hasTurn = con_it->toEdge == turnEdge;
                undoList->add(new GNEChange_Connection(
                                  srcEdge, con_it->fromLane, con_it->toEdge->getID(),
                                  con_it->toLane, con_it->mayDefinitelyPass, false), true);
                // needs to come after GNEChange_Connection
                // XXX bug: this code path will not be used on a redo!
                if (hasTurn) {
                    myNet->addExplicitTurnaround(srcNBE->getID());
                }
            }
            undoList->add(new GNEChange_Attribute(srcEdge, GNE_ATTR_MODIFICATION_STATUS, status), true);
        }
        invalidateTLS(undoList);
    } else {
        rebuildCrossings(false);
    }
}

void
NWWriter_SUMO::writeConnection(OutputDevice& into, const NBEdge& from, const NBEdge::Connection& c,
                               bool includeInternal, ConnectionStyle style) {
    assert(c.toEdge != 0);
    into.openTag(SUMO_TAG_CONNECTION);
    into.writeAttr(SUMO_ATTR_FROM, from.getID());
    into.writeAttr(SUMO_ATTR_TO, c.toEdge->getID());
    into.writeAttr(SUMO_ATTR_FROM_LANE, c.fromLane);
    into.writeAttr(SUMO_ATTR_TO_LANE, c.toLane);
    if (c.mayDefinitelyPass) {
        into.writeAttr(SUMO_ATTR_PASS, c.mayDefinitelyPass);
    }
    if (style != PLAIN) {
        if (includeInternal) {
            into.writeAttr(SUMO_ATTR_VIA, c.id + "_0");
        }
        // set information about the controlling tl if any
        if (c.tlID != "") {
            into.writeAttr(SUMO_ATTR_TLID, c.tlID);
            into.writeAttr(SUMO_ATTR_TLLINKINDEX, c.tlLinkNo);
        }
        if (style == SUMONET) {
            // write the direction information
            LinkDirection dir = from.getToNode()->getDirection(&from, c.toEdge);
            assert(dir != LINKDIR_NODIR);
            into.writeAttr(SUMO_ATTR_DIR, toString(dir));
            // write the state information
            const LinkState linkState = from.getToNode()->getLinkState(
                                            &from, c.toEdge, c.toLane, c.mayDefinitelyPass, c.tlID);
            into.writeAttr(SUMO_ATTR_STATE, linkState);
        }
    }
    into.closeTag();
}

long
GNEConnectorFrame::onCmdSelectConflicts(FXObject*, FXSelector, void*) {
    std::vector<GUIGlID> selectIDs;
    // conflicts happen per edge so we can look at each edge in isolation
    const std::vector<GNEEdge*> edges = myViewNet->getNet()->retrieveEdges();
    for (std::vector<GNEEdge*>::const_iterator edge_it = edges.begin(); edge_it != edges.end(); edge_it++) {
        NBEdge* nbe = (*edge_it)->getNBEdge();
        const EdgeVector destinations = nbe->getConnectedEdges();
        const std::vector<NBEdge::Connection>& connections = nbe->getConnections();
        for (EdgeVector::const_iterator dest_it = destinations.begin(); dest_it != destinations.end(); dest_it++) {
            GNEEdge* dest = myViewNet->getNet()->retrieveEdge((*dest_it)->getID());
            const GNEEdge::LaneVector& destLanes = dest->getLanes();
            for (GNEEdge::LaneVector::const_iterator it_lane = destLanes.begin(); it_lane != destLanes.end(); it_lane++) {
                const bool isConflicted = count_if(
                                              connections.begin(), connections.end(),
                                              NBEdge::connections_toedgelane_finder(*dest_it, (int)(*it_lane)->getIndex(), -1)) > 1;
                if (isConflicted) {
                    selectIDs.push_back((*it_lane)->getGlID());
                }
            }
        }

    }
    myViewNet->getViewParent()->getSelectorFrame()->handleIDs(selectIDs, false, GNESelectorFrame::SET_REPLACE);
    return 1;
}

// ===========================================================================
// method definitions
// ===========================================================================
// ---------------------------------------------------------------------------
// NBRampsComputer
// ---------------------------------------------------------------------------
void
NBRampsComputer::computeRamps(NBNetBuilder& nb, OptionsCont& oc) {
    SUMOReal minHighwaySpeed = oc.getFloat("ramps.min-highway-speed");
    SUMOReal maxRampSpeed = oc.getFloat("ramps.max-ramp-speed");
    SUMOReal rampLength = oc.getFloat("ramps.ramp-length");
    bool dontSplit = oc.getBool("ramps.no-split");
    std::set<NBEdge*> incremented;
    // check whether on-off ramps shall be guessed
    if (oc.getBool("ramps.guess")) {
        NBNodeCont& nc = nb.getNodeCont();
        NBEdgeCont& ec = nb.getEdgeCont();
        NBDistrictCont& dc = nb.getDistrictCont();
        std::set<NBNode*> potOnRamps;
        std::set<NBNode*> potOffRamps;
        for (std::map<std::string, NBNode*>::const_iterator i = nc.begin(); i != nc.end(); ++i) {
            NBNode* cur = (*i).second;
            if (mayNeedOnRamp(cur, minHighwaySpeed, maxRampSpeed)) {
                potOnRamps.insert(cur);
            }
            if (mayNeedOffRamp(cur, minHighwaySpeed, maxRampSpeed)) {
                potOffRamps.insert(cur);
            }
        }
        for (std::set<NBNode*>::const_iterator i = potOnRamps.begin(); i != potOnRamps.end(); ++i) {
            buildOnRamp(*i, nc, ec, dc, rampLength, dontSplit, incremented);
        }
        for (std::set<NBNode*>::const_iterator i = potOffRamps.begin(); i != potOffRamps.end(); ++i) {
            buildOffRamp(*i, nc, ec, dc, rampLength, dontSplit, incremented);
        }
    }
    // check whether on-off ramps shall be guessed
    if (oc.isSet("ramps.set")) {
        std::vector<std::string> edges = oc.getStringVector("ramps.set");
        NBNodeCont& nc = nb.getNodeCont();
        NBEdgeCont& ec = nb.getEdgeCont();
        NBDistrictCont& dc = nb.getDistrictCont();
        for (std::vector<std::string>::iterator i = edges.begin(); i != edges.end(); ++i) {
            NBEdge* e = ec.retrieve(*i);
            if (e == 0) {
                WRITE_WARNING("Can not build on ramp on edge '" + *i + "' - the edge is not known.");
                continue;
            }
            NBNode* from = e->getFromNode();
            if (from->getIncomingEdges().size() == 2 && from->getOutgoingEdges().size() == 1) {
                buildOnRamp(from, nc, ec, dc, rampLength, dontSplit, incremented);
            }
            // load edge again to check offramps
            e = ec.retrieve(*i);
            if (e == 0) {
                WRITE_WARNING("Can not build off ramp on edge '" + *i + "' - the edge is not known.");
                continue;
            }
            NBNode* to = e->getToNode();
            if (to->getIncomingEdges().size() == 1 && to->getOutgoingEdges().size() == 2) {
                buildOffRamp(to, nc, ec, dc, rampLength, dontSplit, incremented);
            }
        }
    }
}

void
NIImporter_ArcView::checkSpread(NBEdge* e) {
    NBEdge* ret = e->getToNode()->getConnectionTo(e->getFromNode());
    if (ret != 0) {
        e->setLaneSpreadFunction(LANESPREAD_RIGHT);
        ret->setLaneSpreadFunction(LANESPREAD_RIGHT);
    }
}

NBEdge*
NBEdgePriorityComputer::extractAndMarkFirst(NBNode& n, std::vector<NBEdge*>& s) {
    if (s.size() == 0) {
        return 0;
    }
    NBEdge* ret = s.front();
    s.erase(s.begin());
    ret->setJunctionPriority(&n, 1);
    return ret;
}

void
NBOwnTLDef::setTLControllingInformation(const NBEdgeCont&) const {
    // set the information about the link's positions within the tl into the
    //  edges the links are starting at, respectively
    for (NBConnectionVector::const_iterator j = myControlledLinks.begin(); j != myControlledLinks.end(); ++j) {
        const NBConnection& conn = *j;
        NBEdge* edge = conn.getFrom();
        edge->setControllingTLInformation(conn, getID());
    }
}

void
NIXMLTrafficLightsHandler::addTlConnection(const SUMOSAXAttributes& attrs) {
    bool ok = true;
    // parse identifying attributes
    NBEdge* from = retrieveEdge(attrs, SUMO_ATTR_FROM, ok);
    NBEdge* to = retrieveEdge(attrs, SUMO_ATTR_TO, ok);
    if (!ok) {
        return;
    }
    int fromLane = retrieveLaneIndex(attrs, SUMO_ATTR_FROM_LANE, from, ok);
    int toLane = retrieveLaneIndex(attrs, SUMO_ATTR_TO_LANE, to, ok);
    if (!ok) {
        return;
    }
    // retrieve connection
    const std::vector<NBEdge::Connection>& connections = from->getConnections();
    std::vector<NBEdge::Connection>::const_iterator con_it;
    con_it = find_if(connections.begin(), connections.end(),
                     NBEdge::connections_finder(fromLane, to, toLane));
    if (con_it == connections.end()) {
        WRITE_ERROR("Connection from=" + from->getID() + " to=" + to->getID() +
                    " fromLane=" + toString(fromLane) + " toLane=" + toString(toLane) + " not found");
        return;
    }
    NBEdge::Connection c = *con_it;
    // read other  attributes
    std::string tlID = attrs.getOptStringReporting(SUMO_ATTR_TLID, 0, ok, "");
    if (tlID == "") {
        // we are updating an existing tl-controlled connection
        tlID = c.tlID;
        assert(tlID != "");
    }
    int tlIndex = attrs.getOptIntReporting(SUMO_ATTR_TLLINKINDEX, 0, ok, -1);
    if (tlIndex == -1) {
        // we are updating an existing tl-controlled connection
        tlIndex = c.tlLinkNo;
    }

    // register the connection with all definitions
    const std::map<std::string, NBTrafficLightDefinition*>& programs = myTLLCont.getPrograms(tlID);
    if (programs.size() > 0) {
        std::map<std::string, NBTrafficLightDefinition*>::const_iterator it;
        for (it = programs.begin(); it != programs.end(); it++) {
            NBLoadedSUMOTLDef* tlDef = dynamic_cast<NBLoadedSUMOTLDef*>(it->second);
            if (tlDef) {
                tlDef->addConnection(from, c.toEdge, c.fromLane, c.toLane, tlIndex);
            } else {
                throw ProcessError("Corrupt traffic light definition '"
                                   + tlID + "' (program '" + it->first + "')");
            }
        }
    } else {
        WRITE_ERROR("The traffic light '" + tlID + "' is not known.");
    }
}

unsigned int
NIVissimConnection::buildEdgeConnections(NBEdgeCont &ec) {
    unsigned int unsetConnections = 0;
    // try to determine the connected edges
    NBEdge *fromEdge = 0;
    NBEdge *toEdge = 0;
    NIVissimEdge *vissimFrom = NIVissimEdge::dictionary(getFromEdgeID());
    if (vissimFrom->wasWithinAJunction()) {
        // this edge was not built, try to get one that approaches it
        vissimFrom = vissimFrom->getBestIncoming();
        if (vissimFrom!=0) {
            fromEdge = ec.retrievePossiblySplitted(toString(vissimFrom->getID()), toString(getFromEdgeID()), true);
        }
    } else {
        // this edge was built, try to get the proper part
        fromEdge = ec.retrievePossiblySplitted(toString(getFromEdgeID()), toString(getToEdgeID()), true);
    }
    NIVissimEdge *vissimTo = NIVissimEdge::dictionary(getToEdgeID());
    if (vissimTo->wasWithinAJunction()) {
        vissimTo = vissimTo->getBestOutgoing();
        if (vissimTo!=0) {
            toEdge = ec.retrievePossiblySplitted(toString(vissimTo->getID()), toString(getToEdgeID()), true);
        }
    } else {
        toEdge = ec.retrievePossiblySplitted(toString(getToEdgeID()), toString(getFromEdgeID()), false);
    }

    // try to get the edges the current connection connects
    /*
    NBEdge *fromEdge = ec.retrievePossiblySplitted(toString(getFromEdgeID()), toString(getToEdgeID()), true);
    NBEdge *toEdge = ec.retrievePossiblySplitted(toString(getToEdgeID()), toString(getFromEdgeID()), false);
    */
    if (fromEdge==0||toEdge==0) {
        WRITE_WARNING("Could not build connection between '" + toString(getFromEdgeID())+ "' and '" + toString(getToEdgeID())+ "'.");
        return 1; // !!! actually not 1
    }
    recheckLanes(fromEdge, toEdge);
    const IntVector &fromLanes = getFromLanes();
    const IntVector &toLanes = getToLanes();
    if (fromLanes.size()!=toLanes.size()) {
        MsgHandler::getWarningInstance()->inform("Lane sizes differ for connection '" + toString(getID()) + "'.");
    } else {
        for (unsigned int index=0; index<fromLanes.size(); ++index) {
            if (fromEdge->getNoLanes()<=static_cast<unsigned int>(fromLanes[index])) {
                MsgHandler::getWarningInstance()->inform("Could not set connection between '" + fromEdge->getID() + "_" + toString(fromLanes[index]) + "' and '" + toEdge->getID() + "_" + toString(toLanes[index]) + "'.");
                ++unsetConnections;
            } else if (!fromEdge->addLane2LaneConnection(fromLanes[index], toEdge, toLanes[index], NBEdge::L2L_VALIDATED)) {
                MsgHandler::getWarningInstance()->inform("Could not set connection between '" + fromEdge->getID() + "_" + toString(fromLanes[index]) + "' and '" + toEdge->getID() + "_" + toString(toLanes[index]) + "'.");
                ++unsetConnections;
            }
        }
    }
    return unsetConnections;
}

void
NIImporter_VISUM::parse_Turns() {
    if (myLineParser.know("VSYSSET") && myLineParser.get("VSYSSET") == "") {
        // no vehicle allowed; don't add
        return;
    }
    // retrieve the nodes
    NBNode* from = getNamedNode("VonKnot", "VonKnotNr");
    NBNode* via = getNamedNode("UeberKnot", "UeberKnotNr");
    NBNode* to = getNamedNode("NachKnot", "NachKnotNr");
    if (from == 0 || via == 0 || to == 0) {
        return;
    }
    // all nodes are known
    std::string type = myLineParser.know("VSysCode")
                       ? myLineParser.get("VSysCode")
                       : myLineParser.get("VSYSSET");
    if (myVSysTypes.find(type) != myVSysTypes.end() && myVSysTypes.find(type)->second == "IV") {
        // try to set the turning definition
        NBEdge* src = from->getConnectionTo(via);
        NBEdge* dest = via->getConnectionTo(to);
        // check both
        if (src == 0) {
            // maybe it was removed due to something
            if (OptionsCont::getOptions().isSet("keep-edges.min-speed")
                    ||
                    OptionsCont::getOptions().isSet("keep-edges.explicit")) {
                WRITE_WARNING("Could not set connection from node '" + from->getID() + "' to node '" + via->getID() + "'.");
            } else {
                if (OptionsCont::getOptions().getBool("visum.verbose-warnings")) {
                    WRITE_WARNING("There is no edge from node '" + from->getID() + "' to node '" + via->getID() + "'.");
                }
            }
            return;
        }
        if (dest == 0) {
            if (OptionsCont::getOptions().isSet("keep-edges.min-speed")
                    ||
                    OptionsCont::getOptions().isSet("keep-edges.explicit")) {
                WRITE_WARNING("Could not set connection from node '" + via->getID() + "' to node '" + to->getID() + "'.");
            } else {
                if (OptionsCont::getOptions().getBool("visum.verbose-warnings")) {
                    WRITE_WARNING("There is no edge from node '" + via->getID() + "' to node '" + to->getID() + "'.");
                }
            }
            return;
        }
        // both edges found
        //  set them into the edge
        src->addEdge2EdgeConnection(dest);
    }
}