PostGIS  2.3.7dev-r@@SVN_REVISION@@
Datum LWGEOM_dfullywithin ( PG_FUNCTION_ARGS  )

Definition at line 760 of file lwgeom_functions_basic.c.

References error_if_srid_mismatch(), LW_FALSE, lwgeom_from_gserialized(), lwgeom_maxdistance2d_tolerance(), and LWGEOM::srid.

761 {
762  double maxdist;
763  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
764  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
765  double tolerance = PG_GETARG_FLOAT8(2);
766  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
767  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
768 
769  if ( tolerance < 0 )
770  {
771  elog(ERROR,"Tolerance cannot be less than zero\n");
772  PG_RETURN_NULL();
773  }
774 
775  error_if_srid_mismatch(lwgeom1->srid, lwgeom2->srid);
776 
777  maxdist = lwgeom_maxdistance2d_tolerance(lwgeom1, lwgeom2, tolerance);
778 
779  PG_FREE_IF_COPY(geom1, 0);
780  PG_FREE_IF_COPY(geom2, 1);
781 
782  /*If function is feed with empty geometries we should return false*/
783  if (maxdist>-1)
784  PG_RETURN_BOOL(tolerance >= maxdist);
785 
786  PG_RETURN_BOOL(LW_FALSE);
787 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
double lwgeom_maxdistance2d_tolerance(const LWGEOM *lw1, const LWGEOM *lw2, double tolerance)
Function handling max distance calculations and dfyllywithin calculations.
Definition: measures.c:181
void error_if_srid_mismatch(int srid1, int srid2)
Definition: lwutil.c:369
int32_t srid
Definition: liblwgeom.h:398
#define LW_FALSE
Definition: liblwgeom.h:76

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