// virtual function derived from class DBSCAN
void DBSCAN_Grid::fit(){
prepare_labels(cl_d.size1());
float begin;
begin = get_clock();
hash_construct_grid();
cout<<get_clock() - begin<<endl;
begin = get_clock();
determine_core_point_grid();
cout<<get_clock() - begin<<endl;
begin = get_clock();
merge_clusters();
cout<<get_clock() - begin<<endl;
determine_boarder_point();
}
void DBSCAN::wfit( const DBSCAN::ClusterData& C, const DBSCAN::FeaturesWeights& W )
{
prepare_labels( C.size1() );
const DBSCAN::DistanceMatrix D = calc_dist_matrix( C, W );
dbscan( D );
}
void DBSCAN::fit_precomputed( const DBSCAN::DistanceMatrix& D )
{
prepare_labels( D.size1() );
dbscan( D );
}
