centroid()

Datum centroid

(

PG_FUNCTION_ARGS

)

Definition at line 1377 of file postgis/lwgeom_geos.c.

{
        GSERIALIZED *geom, *result;
        LWGEOM *lwgeom, *lwresult;
 
        geom = PG_GETARG_GSERIALIZED_P(0);
 
        lwgeom = lwgeom_from_gserialized(geom);
        lwresult = lwgeom_centroid(lwgeom);
        lwgeom_free(lwgeom);
        PG_FREE_IF_COPY(geom, 0);
 
        if (!lwresult) PG_RETURN_NULL();
 
        result = geometry_serialize(lwresult);
        lwgeom_free(lwresult);
        PG_RETURN_POINTER(result);
}

References geometry_serialize(), lwgeom_centroid(), lwgeom_free(), and lwgeom_from_gserialized().

Referenced by getOctant(), getQuadrant4D(), gserialized_spgist_choose_2d(), gserialized_spgist_choose_3d(), gserialized_spgist_choose_nd(), gserialized_spgist_inner_consistent_2d(), gserialized_spgist_inner_consistent_3d(), gserialized_spgist_inner_consistent_nd(), gserialized_spgist_picksplit_2d(), gserialized_spgist_picksplit_3d(), gserialized_spgist_picksplit_nd(), lwgeom_cluster_2d_kmeans(), nextCubeBox(), nextCubeBox3D(), and nextRectBox().

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