PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ LWGEOM_longestline3d()

Datum LWGEOM_longestline3d ( PG_FUNCTION_ARGS  )

Definition at line 869 of file lwgeom_functions_basic.c.

References error_if_srid_mismatch(), geometry_serialize(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_furthest_line_3d(), lwgeom_is_empty(), LWGEOM_mindistance3d(), PG_FUNCTION_INFO_V1(), and LWGEOM::srid.

Referenced by LWGEOM_shortestline3d().

870 {
871  GSERIALIZED *result;
872  GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
873  GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
874  LWGEOM *theline;
875  LWGEOM *lwgeom1 = lwgeom_from_gserialized(geom1);
876  LWGEOM *lwgeom2 = lwgeom_from_gserialized(geom2);
877 
878  error_if_srid_mismatch(lwgeom1->srid, lwgeom2->srid);
879 
880  theline = lwgeom_furthest_line_3d(lwgeom1, lwgeom2);
881  // theline = lw_dist3d_distanceline(lwgeom1, lwgeom2, lwgeom1->srid, DIST_MAX);
882 
883  if (lwgeom_is_empty(theline))
884  PG_RETURN_NULL();
885 
886  result = geometry_serialize(theline);
887 
888  lwgeom_free(theline);
889  lwgeom_free(lwgeom1);
890  lwgeom_free(lwgeom2);
891 
892  PG_FREE_IF_COPY(geom1, 0);
893  PG_FREE_IF_COPY(geom2, 1);
894  PG_RETURN_POINTER(result);
895 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1050
void error_if_srid_mismatch(int srid1, int srid2)
Definition: lwutil.c:341
LWGEOM * lwgeom_furthest_line_3d(LWGEOM *lw1, LWGEOM *lw2)
Definition: measures3d.c:70
int32_t srid
Definition: liblwgeom.h:383
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members) ...
Definition: lwgeom.c:1297
Here is the call graph for this function:
Here is the caller graph for this function: