PostGIS  3.3.9dev-r@@SVN_REVISION@@

◆ LWGEOM_dfullywithin()

Datum LWGEOM_dfullywithin ( PG_FUNCTION_ARGS  )

Definition at line 766 of file lwgeom_functions_basic.c.

767 {
768  double maxdist;
769  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
770  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
771  double tolerance = PG_GETARG_FLOAT8(2);
772  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
773  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
774 
775  if (tolerance < 0)
776  {
777  elog(ERROR, "Tolerance cannot be less than zero\n");
778  PG_RETURN_NULL();
779  }
780 
781  gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
782 
783  maxdist = lwgeom_maxdistance2d_tolerance(lwgeom1, lwgeom2, tolerance);
784 
785  PG_FREE_IF_COPY(geom1, 0);
786  PG_FREE_IF_COPY(geom2, 1);
787 
788  /*If function is feed with empty geometries we should return false*/
789  if (maxdist > -1)
790  PG_RETURN_BOOL(tolerance >= maxdist);
791 
792  PG_RETURN_BOOL(LW_FALSE);
793 }
void gserialized_error_if_srid_mismatch(const GSERIALIZED *g1, const GSERIALIZED *g2, const char *funcname)
Definition: gserialized.c:403
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
#define LW_FALSE
Definition: liblwgeom.h:109
double lwgeom_maxdistance2d_tolerance(const LWGEOM *lw1, const LWGEOM *lw2, double tolerance)
Function handling max distance calculations and dfullywithin calculations.
Definition: measures.c:180

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

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