Don't use obvious directions at ramp bifurcations, #4895

2018-02-16 22:23:22 +01:00
parent e2c1956aa5
commit 1cafafc4cd
3 changed files with 9 additions and 3 deletions
@@ -249,8 +249,13 @@ Intersection TurnHandler::handleThreeWayTurn(const EdgeID via_edge, Intersection
               OOOOOOO
     */

+    const auto all_ramps =
+        std::all_of(intersection.begin(), intersection.end(), [this](const auto &road) {
+            return node_based_graph.GetEdgeData(road.eid).flags.road_classification.IsRampClass();
+        });
+
    auto fork = findFork(via_edge, intersection);
-    if (fork && obvious_index == 0)
+    if (fork && (all_ramps || obvious_index == 0))
    {
        assignFork(via_edge, fork->getLeft(), fork->getRight());
    }