PostGIS  2.5.0dev-r@@SVN_REVISION@@
Datum LWGEOM_dfullywithin ( PG_FUNCTION_ARGS  )

Definition at line 761 of file lwgeom_functions_basic.c.

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

762 {
763  double maxdist;
764  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
765  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
766  double tolerance = PG_GETARG_FLOAT8(2);
767  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
768  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
769 
770  if ( tolerance < 0 )
771  {
772  elog(ERROR,"Tolerance cannot be less than zero\n");
773  PG_RETURN_NULL();
774  }
775 
776  error_if_srid_mismatch(lwgeom1->srid, lwgeom2->srid);
777 
778  maxdist = lwgeom_maxdistance2d_tolerance(lwgeom1, lwgeom2, tolerance);
779 
780  PG_FREE_IF_COPY(geom1, 0);
781  PG_FREE_IF_COPY(geom2, 1);
782 
783  /*If function is feed with empty geometries we should return false*/
784  if (maxdist>-1)
785  PG_RETURN_BOOL(tolerance >= maxdist);
786 
787  PG_RETURN_BOOL(LW_FALSE);
788 }
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:338
int32_t srid
Definition: liblwgeom.h:398
#define LW_FALSE
Definition: liblwgeom.h:76

Here is the call graph for this function: