fixed writing of invalid network on intersecting left turns where the…

… foe left turn does not have an internal junction. refs #4252
eclipse-sumo · Jul 25, 2018 · ff12051 · ff12051
1 parent f9aea9d
commit ff12051
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/netwrite/NWWriter_SUMO.cpp b/src/netwrite/NWWriter_SUMO.cpp
@@ -566,7 +566,7 @@ NWWriter_SUMO::writeInternalNodes(OutputDevice& into, const NBNode& n) {
             std::vector<std::string> foeIDs;
             for (std::string incLane : (*k).foeIncomingLanes) {
                 incLanes += " " + incLane;
-                if (incLane[0] == ':') {
+                if (incLane[0] == ':' && viaIDs[incLane] != "") {
                     // intersecting left turns
                     foeIDs.push_back(viaIDs[incLane] + "_0");
                 }