PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ 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)
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
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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