Build adjacency graph based on pairwise overlaps and assign each galaxy to an overlap group. Append overlap group ID to output catalog and create new <prefix>_groups.dat containing groupID and groupSize columns.
Build adjacency graph based on pairwise overlaps and assign each galaxy to an overlap group. Append overlap group ID to output catalog and create new <prefix>_groups.dat containing groupID and groupSize columns.

DarkEnergyScienceCollaboration/WeakLensingDeblending