PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ LWGEOM_maxdistance3d()

Datum LWGEOM_maxdistance3d ( PG_FUNCTION_ARGS  )

Definition at line 1021 of file lwgeom_functions_basic.c.

1022 {
1023  double maxdist;
1024  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
1025  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
1026  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
1027  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
1028 
1029  gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
1030 
1031  maxdist = lwgeom_maxdistance3d(lwgeom1, lwgeom2);
1032 
1033  PG_FREE_IF_COPY(geom1, 0);
1034  PG_FREE_IF_COPY(geom2, 1);
1035 
1036  /*if called with empty geometries the ingoing mindistance is untouched, and makes us return NULL*/
1037  if (maxdist > -1)
1038  PG_RETURN_FLOAT8(maxdist);
1039 
1040  PG_RETURN_NULL();
1041 }
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
double lwgeom_maxdistance3d(const LWGEOM *lw1, const LWGEOM *lw2)
Function initializing 3d max distance calculation.
Definition: measures3d.c:300

References gserialized_error_if_srid_mismatch(), lwgeom_from_gserialized(), and lwgeom_maxdistance3d().

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