PostGIS  2.2.7dev-r@@SVN_REVISION@@
Datum intersects3d_dwithin ( PG_FUNCTION_ARGS  )

Definition at line 295 of file lwgeom_backend_api.c.

References error_if_srid_mismatch(), lwgeom_from_gserialized(), lwgeom_mindistance3d_tolerance(), and LWGEOM::srid.

296 {
297  double mindist;
298  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
299  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
300  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
301  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
302 
303  error_if_srid_mismatch(lwgeom1->srid, lwgeom2->srid);
304 
305  mindist = lwgeom_mindistance3d_tolerance(lwgeom1,lwgeom2,0.0);
306 
307  PG_FREE_IF_COPY(geom1, 0);
308  PG_FREE_IF_COPY(geom2, 1);
309  /*empty geometries cases should be right handled since return from underlying
310  functions should be FLT_MAX which causes false as answer*/
311  PG_RETURN_BOOL(0.0 == mindist);
312 }
double lwgeom_mindistance3d_tolerance(const LWGEOM *lw1, const LWGEOM *lw2, double tolerance)
Function handling 3d min distance calculations and dwithin calculations.
Definition: measures3d.c:339
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void error_if_srid_mismatch(int srid1, int srid2)
Definition: lwutil.c:341
int32_t srid
Definition: liblwgeom.h:383

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