Elmar Abbasov comments

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                                            Elmar Abbasov

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How to make ros service calls

> Yeah this is a great request, and very similar to #323. Like I said in the answer there, in our internal version we have similar functionality, so I should...

undefined reference to `nanoflann::KdTreeFLANN<pcl::PointXYZI>::KdTreeFLANN(nanoflann::KdTreeFLANN<pcl::PointXYZI> const&)

@engcang thanks for the fast response! Now the compiler complains about a lot of redefinitions between the nanoflann headers. The nanoflann_impl.hpp and nanoflann header of scancontext are very similar with...

undefined reference to `nanoflann::KdTreeFLANN<pcl::PointXYZI>::KdTreeFLANN(nanoflann::KdTreeFLANN<pcl::PointXYZI> const&)

@engcang I need to use colcon as I have ROS2 in the pipeline too and would like to be able to use the same tooling. I can manage the changes...

undefined reference to `nanoflann::KdTreeFLANN<pcl::PointXYZI>::KdTreeFLANN(nanoflann::KdTreeFLANN<pcl::PointXYZI> const&)

@engcang my apologies, thought faster_lio_sam had it. Okay, understand why you'd want them untouched. To your knowledge, if I were to take nanoflann header out of scancontext and use the...

undefined reference to `nanoflann::KdTreeFLANN<pcl::PointXYZI>::KdTreeFLANN(nanoflann::KdTreeFLANN<pcl::PointXYZI> const&)

Interestingly enough, I keep seeing the error I mentioned regarding `nanoflann::KdTreeFLANNpcl::PointXYZI::KdTreeFLANN(nanoflann::KdTreeFLANNpcl::PointXYZI const&)' Any clue why that would be an issue? I'm starting to think it's not related to SC