PostGIS  3.3.9dev-r@@SVN_REVISION@@

◆ linemerge()

Datum linemerge ( PG_FUNCTION_ARGS  )

Definition at line 3098 of file postgis/lwgeom_geos.c.

3099 {
3100  GSERIALIZED *geom1;
3101  bool directed = false;
3103  LWGEOM *lwgeom1, *lwresult ;
3104 
3105  geom1 = PG_GETARG_GSERIALIZED_P(0);
3106 
3107  if ( PG_NARGS() > 1 )
3108  directed = PG_GETARG_BOOL(1);
3109 
3110  lwgeom1 = lwgeom_from_gserialized(geom1) ;
3111 
3112  lwresult = lwgeom_linemerge_directed(lwgeom1, directed ? LW_TRUE : LW_FALSE);
3113  result = geometry_serialize(lwresult) ;
3114 
3115  lwgeom_free(lwgeom1) ;
3116  lwgeom_free(lwresult) ;
3117 
3118  PG_FREE_IF_COPY(geom1, 0);
3119 
3120  PG_RETURN_POINTER(result);
3121 }
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:267
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
#define LW_FALSE
Definition: liblwgeom.h:109
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1155
LWGEOM * lwgeom_linemerge_directed(const LWGEOM *geom1, int directed)
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:108

References LW_FALSE, LW_TRUE, lwgeom_free(), lwgeom_from_gserialized(), lwgeom_linemerge_directed(), and result.

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