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[TangHaoCloud]

Thanks for reading my question.
I have lots of trajectories and road networks.(Both for Shang Hai, a big city in China).Now I want to associate every single Point in every trajectory with the road in road networks,rather than pick up the road.
In other word, I want to add a new filed,which is the id of the matched road to the point feature.
How can I achieve this goal by using your code?
Thanks very much for answering my question.