PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ LWGEOM_longestline3d()

Datum LWGEOM_longestline3d ( PG_FUNCTION_ARGS  )

Definition at line 854 of file lwgeom_functions_basic.c.

855{
857 GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
858 GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
859 LWGEOM *theline;
860 LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
861 LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
862 gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
863
864 theline = lwgeom_furthest_line_3d(lwgeom1, lwgeom2);
865 // theline = lw_dist3d_distanceline(lwgeom1, lwgeom2, lwgeom1->srid, DIST_MAX);
866
867 if (lwgeom_is_empty(theline))
868 PG_RETURN_NULL();
869
870 result = geometry_serialize(theline);
871
872 lwgeom_free(theline);
873 lwgeom_free(lwgeom1);
874 lwgeom_free(lwgeom2);
875
876 PG_FREE_IF_COPY(geom1, 0);
877 PG_FREE_IF_COPY(geom2, 1);
878 PG_RETURN_POINTER(result);
879}
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition cu_print.c:267
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.
void lwgeom_free(LWGEOM *geom)
Definition lwgeom.c:1246
LWGEOM * lwgeom_furthest_line_3d(LWGEOM *lw1, LWGEOM *lw2)
Definition measures3d.c:116
static int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members)
Definition lwinline.h:199

References gserialized_error_if_srid_mismatch(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_furthest_line_3d(), lwgeom_is_empty(), and result.

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