PostGIS  3.6.1dev-r@@SVN_REVISION@@

◆ linemerge()

Datum linemerge ( PG_FUNCTION_ARGS  )

Definition at line 2170 of file postgis/lwgeom_geos.c.

2171 {
2172  GSERIALIZED *geom1;
2173  bool directed = false;
2175  LWGEOM *lwgeom1, *lwresult ;
2176 
2177  geom1 = PG_GETARG_GSERIALIZED_P(0);
2178 
2179  if ( PG_NARGS() > 1 )
2180  directed = PG_GETARG_BOOL(1);
2181 
2182  lwgeom1 = lwgeom_from_gserialized(geom1) ;
2183 
2184  lwresult = lwgeom_linemerge_directed(lwgeom1, directed ? LW_TRUE : LW_FALSE);
2185  result = geometry_serialize(lwresult) ;
2186 
2187  lwgeom_free(lwgeom1) ;
2188  lwgeom_free(lwresult) ;
2189 
2190  PG_FREE_IF_COPY(geom1, 0);
2191 
2192  PG_RETURN_POINTER(result);
2193 }
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:268
#define LW_FALSE
Definition: liblwgeom.h:94
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1218
LWGEOM * lwgeom_linemerge_directed(const LWGEOM *geom1, int directed)
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:93

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

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