PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ LWGEOM_shortestline3d()

Datum LWGEOM_shortestline3d ( PG_FUNCTION_ARGS  )

Definition at line 859 of file lwgeom_functions_basic.c.

860 {
862  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
863  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
864  LWGEOM *theline;
865  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
866  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
867  gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
868 
869  theline = lwgeom_closest_line_3d(lwgeom1, lwgeom2);
870  // theline = lw_dist3d_distanceline(lwgeom1, lwgeom2, lwgeom1->srid, DIST_MIN);
871 
872  if (lwgeom_is_empty(theline))
873  PG_RETURN_NULL();
874 
875  result = geometry_serialize(theline);
876 
877  lwgeom_free(theline);
878  lwgeom_free(lwgeom1);
879  lwgeom_free(lwgeom2);
880 
881  PG_FREE_IF_COPY(geom1, 0);
882  PG_FREE_IF_COPY(geom2, 1);
883  PG_RETURN_POINTER(result);
884 }
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:262
void gserialized_error_if_srid_mismatch(const GSERIALIZED *g1, const GSERIALIZED *g2, const char *funcname)
Definition: gserialized.c:403
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:1155
LWGEOM * lwgeom_closest_line_3d(const LWGEOM *lw1, const LWGEOM *lw2)
Definition: measures3d.c:76
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:203

References gserialized_error_if_srid_mismatch(), lwgeom_closest_line_3d(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_is_empty(), and result.

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