cluster.h

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//
// cluster.h
//     Functions for triplet clustering and for propagating
//     the triplet cluster labels to points
//
// Author:  Jens Wilberg, Lukas Aymans, Christoph Dalitz
// Date:    2018-08-30
// License: see ../LICENSE
//
 
#ifndef CLUSTER_H
#define CLUSTER_H
 
#include "util.h"
 
#include <algorithm>
#include <cstddef>
#include <vector>
 
class PointCloud;
struct triplet;
 
typedef std::vector<size_t> cluster_t;
 
typedef std::vector<cluster_t> cluster_group;
 
// compute hierarchical clustering
void compute_hc(const PointCloud &cloud, cluster_group &result, const std::vector<triplet> &triplets, double s,
                double t, bool tauto = false, double dmax = 0, bool is_dmax = false, Linkage method = SINGLE,
                int opt_verbose = 0);
// remove all small clusters
void cleanup_cluster_group(cluster_group &cg, size_t m, int opt_verbose = 0);
// convert the triplet indices ind *cl_group* to point indices.
void cluster_triplets_to_points(const std::vector<triplet> &triplets, cluster_group &cl_group);
// adds the cluster ids to the points in *cloud*
void add_clusters(PointCloud &cloud, cluster_group &cl_group, bool gnuplot = false);
#endif