PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ _lwt_split_by_nodes()

static LWGEOM* _lwt_split_by_nodes ( const LWGEOM g,
const LWGEOM nodes 
)
static

Definition at line 5509 of file lwgeom_topo.c.

5510 {
5511  LWCOLLECTION *col = lwgeom_as_lwcollection(nodes);
5512  uint32_t i;
5513  LWGEOM *bg;
5514 
5515  bg = lwgeom_clone_deep(g);
5516  if ( ! col->ngeoms ) return bg;
5517 
5518  for (i=0; i<col->ngeoms; ++i)
5519  {
5520  LWGEOM *g2;
5521  g2 = lwgeom_split(bg, col->geoms[i]);
5522  lwgeom_free(bg);
5523  bg = g2;
5524  }
5525  bg->srid = nodes->srid;
5526 
5527  return bg;
5528 }
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
LWGEOM * lwgeom_split(const LWGEOM *lwgeom_in, const LWGEOM *blade_in)
LWGEOM * lwgeom_clone_deep(const LWGEOM *lwgeom)
Deep clone an LWGEOM, everything is copied.
Definition: lwgeom.c:511
LWCOLLECTION * lwgeom_as_lwcollection(const LWGEOM *lwgeom)
Definition: lwgeom.c:215
uint32_t ngeoms
Definition: liblwgeom.h:566
LWGEOM ** geoms
Definition: liblwgeom.h:561
int32_t srid
Definition: liblwgeom.h:446

References LWCOLLECTION::geoms, lwgeom_as_lwcollection(), lwgeom_clone_deep(), lwgeom_free(), lwgeom_split(), LWCOLLECTION::ngeoms, and LWGEOM::srid.

Referenced by _lwt_AddLine().

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