Working on final quiz for Lecture 3 in ROS basics in 5 Days (C++), and I am having an issue with the ranges data. I don’t have errors at compilation, but I am getting a runtime error that I think is coming from my initialization of range_data.
Also, if there is a better way of working with the msg data, I would like to know.
I have edited my code and followed from How to read the laserscan,store and display it simultaneously (Topics_quiz)
I would like advice with trying to do this using objects still.
Hi @rmmilner,
You must love C++ (and maybe other) classes, don’t you 
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My advice is that if you are not very familiar with C++ don’t try to force it now.
Doing it the procedural way is fine and if you master this very well (and increase your knowledge of C++) you will be able to transition your code into your beloved C++ classes 
Keep pushing your ROS learning!
Yes, new to C++. Thanks for advice
