PostGIS  2.5.0dev-r@@SVN_REVISION@@
Datum LWGEOM_maxdistance3d ( PG_FUNCTION_ARGS  )

Definition at line 1009 of file lwgeom_functions_basic.c.

References error_if_srid_mismatch(), lwgeom_from_gserialized(), lwgeom_maxdistance3d(), and LWGEOM::srid.

1010 {
1011  double maxdist;
1012  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
1013  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
1014  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
1015  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
1016 
1017  error_if_srid_mismatch(lwgeom1->srid, lwgeom2->srid);
1018 
1019  maxdist = lwgeom_maxdistance3d(lwgeom1, lwgeom2);
1020 
1021  PG_FREE_IF_COPY(geom1, 0);
1022  PG_FREE_IF_COPY(geom2, 1);
1023 
1024  /*if called with empty geometries the ingoing mindistance is untouched, and makes us return NULL*/
1025  if (maxdist>-1)
1026  PG_RETURN_FLOAT8(maxdist);
1027 
1028  PG_RETURN_NULL();
1029 }
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:338
int32_t srid
Definition: liblwgeom.h:398
double lwgeom_maxdistance3d(const LWGEOM *lw1, const LWGEOM *lw2)
Function initializing 3d max distance calculation.
Definition: measures3d.c:314

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