Fix SegFault when FrameElements is empty

b130f1be · Mohcine Chraibi · d2244215 · b130f1be
Verified Commit b130f1be authored May 14, 2019 by Mohcine Chraibi
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Showing with 6 additions and 1 deletion

src/TimerCallback.cpp src/TimerCallback.cpp +6 -1

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--- a/src/TimerCallback.cpp
+++ b/src/TimerCallback.cpp
@@ -175,7 +175,12 @@ void TimerCallback::Execute(vtkObject *caller, unsigned long eventId,
 #endif
                            extern_glyphs_pedestrians_3D->Update();
                        }
-                        minFrame = frame->GetFrameElements()[0]->GetMinFrame();
+                        auto FrameElements =  frame->GetFrameElements();
+                        if(FrameElements.size())
+                             minFrame = frame->GetFrameElements()[0]->GetMinFrame();
+                        else
+                             minFrame = 0;
+
                        frameNumber += minFrame;
                        if(SystemSettings::getShowTrajectories()) {
                            const std::vector<FrameElement *> &elements=frame->GetFrameElements();