PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ ST_OrientedEnvelope()

Datum ST_OrientedEnvelope ( PG_FUNCTION_ARGS  )

Definition at line 3635 of file postgis/lwgeom_geos.c.

3636 {
3637  GSERIALIZED* input;
3639  GEOSGeometry* input_geos;
3640  GEOSGeometry* result_geos;
3641  int32_t srid;
3642 
3643  initGEOS(lwpgnotice, lwgeom_geos_error);
3644 
3645  input = PG_GETARG_GSERIALIZED_P(0);
3646  srid = gserialized_get_srid(input);
3647  input_geos = POSTGIS2GEOS(input);
3648  if (!input_geos)
3649  HANDLE_GEOS_ERROR("Geometry could not be converted to GEOS");
3650 
3651  result_geos = GEOSMinimumRotatedRectangle(input_geos);
3652  GEOSGeom_destroy(input_geos);
3653  if (!result_geos)
3654  HANDLE_GEOS_ERROR("Error computing oriented envelope");
3655 
3656  GEOSSetSRID(result_geos, srid);
3657  result = GEOS2POSTGIS(result_geos, LW_FALSE);
3658  GEOSGeom_destroy(result_geos);
3659 
3660  PG_FREE_IF_COPY(input, 0);
3661  PG_RETURN_POINTER(result);
3662 }
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:108
#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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