DatumGetNpoint DatumGetNsegment NpointGetDatum NsegmentGetDatum PG_GETARG_NPOINT PG_GETARG_NSEGMENT PG_RETURN_NPOINT tgeompoint_as_tnpoint tgeompoint_as_tnpoint_internal tgeompointinst_as_tnpointinst tgeompointinstset_as_tnpointinstset tgeompointseq_as_tnpointseq tgeompointseqset_as_tnpointseqset tnpoint_as_tgeompoint tnpoint_as_tgeompoint_internal tnpoint_in tnpoint_make_tnpointseq tnpoint_positions tnpoint_positions_internal tnpoint_route tnpoint_routes tnpointinst_as_tgeompointinst tnpointinst_positions tnpointinst_route tnpointinst_routes tnpointinstset_as_tgeompointi tnpointinstset_positions tnpointinstset_routes tnpointiseq_route tnpointseq_as_tgeompointseq tnpointseq_linear_positions tnpointseq_positions tnpointseq_routes tnpointseqset_as_tgeompointseqset tnpointseqset_positions tnpointseqset_routes

tgeompointseq_as_tnpointseq() TSequence* tgeompointseq_as_tnpointseq ( const TSequence *  seq ) Cast a temporal geometric point as a temporal network point.