ST_patchAvg

Computes the average of each attribute dimension across all pcpoint objects in a pcpatch object and returns a new pcpoint whose attribute dimensions are set to those averages.

pcpoint ST_patchAvg(pcpatch pc);

SELECT ST_AsText(ST_PatchAvg(pa)) FROM patches WHERE id = 7;

{"pcid":1,"pt":[-126.46,45.54,54.5,5]}