ensure_same_rid_tnpointinst ensure_same_srid_tnpoint_stbox npoint_same npoint_same_internal tnpoint_at_geometry tnpoint_azimuth tnpoint_cumulative_length tnpoint_geom tnpoint_length tnpoint_minus_geometry tnpoint_restrict_geometry tnpoint_speed tnpoint_srid tnpoint_srid_internal tnpoint_trajectory tnpoint_twcentroid tnpointinst_geom tnpointinst_set_zero tnpointinst_srid tnpointinstset_geom tnpointinstset_npoints tnpointinstset_set_zero tnpointseq_azimuth tnpointseq_azimuth1 tnpointseq_azimuth2 tnpointseq_cumulative_length tnpointseq_geom tnpointseq_intersection_value tnpointseq_length tnpointseq_speed tnpointseq_step_npoints tnpointseq_trajectory1 tnpointseqset_azimuth tnpointseqset_cumulative_length tnpointseqset_geom tnpointseqset_length tnpointseqset_speed tnpointseqset_step_npoints

tnpoint_srid() PGDLLEXPORT Datum tnpoint_srid ( PG_FUNCTION_ARGS  ) Returns the SRID of a temporal network point.