tpoint_get_coord tpointseq_azimuth tpointseq_cumulative_length tpointseq_direction tpointseq_is_simple tpointseq_length tpointseq_linear_trajectory tpointseq_speed tpointseq_twcentroid tpointseqset_azimuth tpointseqset_cumulative_length tpointseqset_direction tpointseqset_is_simple tpointseqset_length tpointseqset_linear_trajectory tpointseqset_speed tpointseqset_twcentroid

tpointseqset_twcentroid() GSERIALIZED * tpointseqset_twcentroid ( const TSequenceSet *  ss ) Return the time-weighed centroid of a temporal geometry point sequence set. Parameters [in] ss Temporal sequence set @csqlfn Tpoint_twcentroid()