ensure_same_rid_tnpointinst ensure_same_srid_tnpoint_stbox npoint_same tnpoint_azimuth tnpoint_cumulative_length tnpoint_geom tnpoint_length tnpoint_restrict_geometry tnpoint_speed tnpoint_srid tnpoint_twcentroid tnpointinst_geom tnpointinst_srid tnpointsegm_intersection_value tnpointseq_geom tnpointseqset_geom

tnpoint_twcentroid() Datum tnpoint_twcentroid ( const Temporal *  temp ) Return the time-weighed centroid of a temporal network point.