NearTree is a function library designed to efficiently solve the Nearest Neighbor Problem (also know as the post office problem).
Basically this API is specially developed to enable you to find the nearest neighbors among points in spaces of arbitrary dimensions.
If you decide to simply use the TNear.h header to add nearest neighbor support to C++ code under Visual Studio, be sure to also use the rhrand.h and triple.h headers. It is no longer necessary to define USE_LOCAL_HEADERS, which is automatically defined if _MSC_VER is defined. For unix or MINGW, you will need to use the Makefile and to have libtool on your system. Be warned that the default libtool under Mac OS X will not work for this installation.
