PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ LWGEOM_dfullywithin()

Datum LWGEOM_dfullywithin ( PG_FUNCTION_ARGS  )

Definition at line 756 of file lwgeom_functions_basic.c.

757 {
758  double maxdist;
759  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
760  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
761  double tolerance = PG_GETARG_FLOAT8(2);
762  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
763  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
764 
765  if (tolerance < 0)
766  {
767  elog(ERROR, "Tolerance cannot be less than zero\n");
768  PG_RETURN_NULL();
769  }
770 
771  gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
772 
773  maxdist = lwgeom_maxdistance2d_tolerance(lwgeom1, lwgeom2, tolerance);
774 
775  PG_FREE_IF_COPY(geom1, 0);
776  PG_FREE_IF_COPY(geom2, 1);
777 
778  /*If function is feed with empty geometries we should return false*/
779  if (maxdist > -1)
780  PG_RETURN_BOOL(tolerance >= maxdist);
781 
782  PG_RETURN_BOOL(LW_FALSE);
783 }
void gserialized_error_if_srid_mismatch(const GSERIALIZED *g1, const GSERIALIZED *g2, const char *funcname)
Definition: gserialized.c:404
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
#define LW_FALSE
Definition: liblwgeom.h:108
double lwgeom_maxdistance2d_tolerance(const LWGEOM *lw1, const LWGEOM *lw2, double tolerance)
Function handling max distance calculations and dfullywithin calculations.
Definition: measures.c:177

References gserialized_error_if_srid_mismatch(), LW_FALSE, lwgeom_from_gserialized(), and lwgeom_maxdistance2d_tolerance().

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