PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ LWGEOM_longestline3d()

Datum LWGEOM_longestline3d ( PG_FUNCTION_ARGS  )

Definition at line 890 of file lwgeom_functions_basic.c.

891 {
893  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
894  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
895  LWGEOM *theline;
896  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
897  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
898  gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
899 
900  theline = lwgeom_furthest_line_3d(lwgeom1, lwgeom2);
901  // theline = lw_dist3d_distanceline(lwgeom1, lwgeom2, lwgeom1->srid, DIST_MAX);
902 
903  if (lwgeom_is_empty(theline))
904  PG_RETURN_NULL();
905 
906  result = geometry_serialize(theline);
907 
908  lwgeom_free(theline);
909  lwgeom_free(lwgeom1);
910  lwgeom_free(lwgeom2);
911 
912  PG_FREE_IF_COPY(geom1, 0);
913  PG_FREE_IF_COPY(geom2, 1);
914  PG_RETURN_POINTER(result);
915 }
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_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:203

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

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