ensure_same_rid_tnpointinst ensure_same_srid_tnpoint_stbox tnpoint_at_geometry tnpoint_azimuth tnpoint_cumulative_length tnpoint_geom tnpoint_length tnpoint_minus_geometry tnpoint_speed tnpoint_srid_internal tnpoint_trajectory tnpoint_twcentroid tnpointinst_geom tnpointinstset_geom tnpointseq_geom tnpointseq_intersection_value tnpointseq_trajectory tnpointseq_trajectory1 tnpointseqset_geom tnpointseqset_trajectory

tnpoint_speed() Datum tnpoint_speed ( PG_FUNCTION_ARGS  ) Speed of the temporal network point.