geoaggstate_check_t tpoint_extent_combinefn tpoint_extent_transfn tpoint_tcentroid_combinefn tpoint_tcentroid_finalfn tpoint_tcentroid_transfn tpoint_transform_tcentroid

tpoint_tcentroid_transfn() Datum tpoint_tcentroid_transfn ( PG_FUNCTION_ARGS  ) Transition function for temporal centroid aggregation of temporal point values.