PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ LWGEOM_force_3dm()

Datum LWGEOM_force_3dm ( PG_FUNCTION_ARGS  )

Definition at line 391 of file lwgeom_functions_basic.c.

References geometry_serialize(), gserialized_has_m(), gserialized_ndims(), lwgeom_force_3dm(), LWGEOM_force_4d(), lwgeom_free(), lwgeom_from_gserialized(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_force_3dz().

392 {
393  GSERIALIZED *pg_geom_in = PG_GETARG_GSERIALIZED_P(0);
394  GSERIALIZED *pg_geom_out;
395  LWGEOM *lwg_in, *lwg_out;
396 
397  /* already 3d */
398  if ( gserialized_ndims(pg_geom_in) == 3 && gserialized_has_m(pg_geom_in) )
399  PG_RETURN_POINTER(pg_geom_in);
400 
401  lwg_in = lwgeom_from_gserialized(pg_geom_in);
402  lwg_out = lwgeom_force_3dm(lwg_in);
403  pg_geom_out = geometry_serialize(lwg_out);
404  lwgeom_free(lwg_out);
405  lwgeom_free(lwg_in);
406 
407  PG_FREE_IF_COPY(pg_geom_in, 0);
408  PG_RETURN_POINTER(pg_geom_out);
409 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
int gserialized_has_m(const GSERIALIZED *gser)
Check if a GSERIALIZED has an M ordinate.
Definition: g_serialized.c:29
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1050
int gserialized_ndims(const GSERIALIZED *gser)
Return the number of dimensions (2, 3, 4) in a geometry.
Definition: g_serialized.c:39
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
LWGEOM * lwgeom_force_3dm(const LWGEOM *geom)
Definition: lwgeom.c:702
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