PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ LWGEOM_longestline3d()

Datum LWGEOM_longestline3d ( PG_FUNCTION_ARGS  )

Definition at line 878 of file lwgeom_functions_basic.c.

879 {
880  GSERIALIZED *result;
881  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
882  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
883  LWGEOM *theline;
884  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
885  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
886  gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
887 
888  theline = lwgeom_furthest_line_3d(lwgeom1, lwgeom2);
889  // theline = lw_dist3d_distanceline(lwgeom1, lwgeom2, lwgeom1->srid, DIST_MAX);
890 
891  if (lwgeom_is_empty(theline))
892  PG_RETURN_NULL();
893 
894  result = geometry_serialize(theline);
895 
896  lwgeom_free(theline);
897  lwgeom_free(lwgeom1);
898  lwgeom_free(lwgeom2);
899 
900  PG_FREE_IF_COPY(geom1, 0);
901  PG_FREE_IF_COPY(geom2, 1);
902  PG_RETURN_POINTER(result);
903 }
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
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
LWGEOM * lwgeom_furthest_line_3d(LWGEOM *lw1, LWGEOM *lw2)
Definition: measures3d.c:82
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:193
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)

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

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