PostGIS  3.3.9dev-r@@SVN_REVISION@@

◆ ST_OrientedEnvelope()

Datum ST_OrientedEnvelope ( PG_FUNCTION_ARGS  )

Definition at line 3579 of file postgis/lwgeom_geos.c.

3580 {
3581  GSERIALIZED* input;
3583  GEOSGeometry* input_geos;
3584  GEOSGeometry* result_geos;
3585  int32_t srid;
3586 
3587  initGEOS(lwpgnotice, lwgeom_geos_error);
3588 
3589  input = PG_GETARG_GSERIALIZED_P(0);
3590  srid = gserialized_get_srid(input);
3591  input_geos = POSTGIS2GEOS(input);
3592  if (!input_geos)
3593  HANDLE_GEOS_ERROR("Geometry could not be converted to GEOS");
3594 
3595  result_geos = GEOSMinimumRotatedRectangle(input_geos);
3596  GEOSGeom_destroy(input_geos);
3597  if (!result_geos)
3598  HANDLE_GEOS_ERROR("Error computing oriented envelope");
3599 
3600  GEOSSetSRID(result_geos, srid);
3601  result = GEOS2POSTGIS(result_geos, LW_FALSE);
3602  GEOSGeom_destroy(result_geos);
3603 
3604  PG_FREE_IF_COPY(input, 0);
3605  PG_RETURN_POINTER(result);
3606 }
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:267
int32_t gserialized_get_srid(const GSERIALIZED *g)
Extract the SRID from the serialized form (it is packed into three bytes so this is a handy function)...
Definition: gserialized.c:126
void lwgeom_geos_error(const char *fmt,...)
#define LW_FALSE
Definition: liblwgeom.h:109
#define HANDLE_GEOS_ERROR(label)
GSERIALIZED * GEOS2POSTGIS(GEOSGeom geom, char want3d)
GEOSGeometry * POSTGIS2GEOS(const GSERIALIZED *pglwgeom)

References GEOS2POSTGIS(), gserialized_get_srid(), HANDLE_GEOS_ERROR, LW_FALSE, lwgeom_geos_error(), POSTGIS2GEOS(), and result.

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