PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ LWGEOM_longestline3d()

Datum LWGEOM_longestline3d ( PG_FUNCTION_ARGS  )

Definition at line 877 of file lwgeom_functions_basic.c.

878 {
880  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
881  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
882  LWGEOM *theline;
883  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
884  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
885  gserialized_error_if_srid_mismatch(geom1, geom2, __func__);
886 
887  theline = lwgeom_furthest_line_3d(lwgeom1, lwgeom2);
888  // theline = lw_dist3d_distanceline(lwgeom1, lwgeom2, lwgeom1->srid, DIST_MAX);
889 
890  if (lwgeom_is_empty(theline))
891  PG_RETURN_NULL();
892 
893  result = geometry_serialize(theline);
894 
895  lwgeom_free(theline);
896  lwgeom_free(lwgeom1);
897  lwgeom_free(lwgeom2);
898 
899  PG_FREE_IF_COPY(geom1, 0);
900  PG_FREE_IF_COPY(geom2, 1);
901  PG_RETURN_POINTER(result);
902 }
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)
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: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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