A software that helps to choose meaningful “epsilon” and “N” parameter pairs for the DBSCAN algorithm.

It performs the DBSCAN clusterization on a range of “epsilon” and “N” parameter values and shows the cluster properties in a 2D map (mean, standard deviation and median of number of cluster elements and cluster areas, number of clusters) . The user then can analyze how the clusterization changes with the algorithm parameters.

The code is written in Matlab , can be run with or without GUI. Currently, GNU Octave is not supported. It can read CSV files that contain the “x” and “y” coordinates of the data points given in nanometers under columns named “x_nm” and “y_nm”. See the example data file.

DBSCAN map generator v1.0.b1 (2025.02.23.) first public beta version

Test datafile: download