PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ ST_Snap()

Datum ST_Snap ( PG_FUNCTION_ARGS  )

Definition at line 3289 of file postgis/lwgeom_geos.c.

3290 {
3291  GSERIALIZED *geom1, *geom2, *result;
3292  LWGEOM *lwgeom1, *lwgeom2, *lwresult;
3293  double tolerance;
3294 
3295  geom1 = PG_GETARG_GSERIALIZED_P(0);
3296  geom2 = PG_GETARG_GSERIALIZED_P(1);
3297  tolerance = PG_GETARG_FLOAT8(2);
3298 
3299  lwgeom1 = lwgeom_from_gserialized(geom1);
3300  lwgeom2 = lwgeom_from_gserialized(geom2);
3301 
3302  lwresult = lwgeom_snap(lwgeom1, lwgeom2, tolerance);
3303  lwgeom_free(lwgeom1);
3304  lwgeom_free(lwgeom2);
3305  PG_FREE_IF_COPY(geom1, 0);
3306  PG_FREE_IF_COPY(geom2, 1);
3307 
3308  result = geometry_serialize(lwresult);
3309  lwgeom_free(lwresult);
3310 
3311  PG_RETURN_POINTER(result);
3312 }
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
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
LWGEOM * lwgeom_snap(const LWGEOM *geom1, const LWGEOM *geom2, double tolerance)
Snap vertices and segments of a geometry to another using a given tolerance.

References lwgeom_free(), lwgeom_from_gserialized(), lwgeom_snap(), and result.

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