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[calvin_cw <>]

I have a search tree set up as follows... 

typedef CGAL::Orthogonal_k_neighbor_search<Traits, DistanceFunction>
K_neighbor_search;
typedef K_neighbor_search::Tree Tree;


Initially I set up the Tree with 10k points. 

When I wish to update the Tree with another set of 10k points, I realised
I'm stuck, because there is no "clear()" function. 

I looked up the CGAL manual, there is a "clear()" function, but when I
looked up the kd_Tree source code, there is no "clear()" functionality.. 

Can someone help me on this? Thanks!
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