id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 3572,ST_ClusterDBSCAN shouldn't join clusters by their borders,dbaston,dbaston,"In the DBSCAN algorithm, elements of a cluster are either * ""core geometries"", which are within {{{eps}}} distance of {{{minPoints}}} other geometries, or * ""border geometries"", which are within {{{eps}}} distance of a core geometry This leads to a situation where a (border) geometry {{{g}}} may not be within {{{eps}}} distance of {{{minPoints}}} other geometries, but ''is'' within {{{eps}}} distance of core geometries in two or more different clusters {{{A}}}, {{{B}}}, .... etc. In this case, rather than merging clusters {{{A}}} and {{{B}}} into a single cluster, {{{g}}} should be assigned arbitrarily but deterministically to either {{{A}}} or {{{B}}}, which should remain separate.",defect,closed,high,PostGIS 2.3.0,postgis,master,fixed,,