fix: Fix TruthVertexFinder for not reconstructed particles (#2979)

This fixes an overlook in #2937. Non reconstructed particles result in an exception which is fixed here
acts-project · Feb 26, 2024 · e06342c · e06342c
1 parent 032dd9a
commit e06342c
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/TruthVertexFinder.cpp b/Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/TruthVertexFinder.cpp
@@ -151,10 +151,11 @@ ProcessCode TruthVertexFinder::execute(const AlgorithmContext& ctx) const {
   std::unordered_map<SimBarcode, std::vector<TrackIndex>> protoVertexTrackMap;
 
   for (const auto& [particle, trackMatch] : particleTrackMatching) {
-    auto vtxId =
-        SimBarcode(particle).setParticle(0).setGeneration(0).setSubParticle(0);
+    auto vtxId = SimBarcode(particle).setParticle(0).setSubParticle(0);
 
-    protoVertexTrackMap[vtxId].push_back(trackMatch.track.value());
+    if (trackMatch.track) {
+      protoVertexTrackMap[vtxId].push_back(trackMatch.track.value());
+    }
   }
 
   ProtoVertexContainer protoVertices;