CGAL users discussion list

[cnng0315 <>]

In Gis,  we often have obtained an array of 3d or 2d Points,  one of the most
common process is to remove such point whose distance to its neighbor is
less than a custom valeu(eg. 1mm ). 

        // Kernel
        typedef CGAL::Exact_predicates_inexact_constructions_kernel K;

        // Simple geometric types
        typedef K::FT FT;
        typedef K::Point_3 Point; 
        std::set<Point> PointList;

with the method above, we can remove Points whose x,y,z are the same. but
the problem is, in real world, two poins are considered to be the same if
these distance is less than a small value. 
So, dose cagl provide some good method to solve this problem?

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