PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ _lwt_split_by_nodes()

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

Definition at line 5587 of file lwgeom_topo.c.

5588 {
5589  LWCOLLECTION *col = lwgeom_as_lwcollection(nodes);
5590  uint32_t i;
5591  LWGEOM *bg;
5592 
5593  bg = lwgeom_clone_deep(g);
5594  if ( ! col->ngeoms ) return bg;
5595 
5596  for (i=0; i<col->ngeoms; ++i)
5597  {
5598  LWGEOM *g2;
5599  g2 = lwgeom_split(bg, col->geoms[i]);
5600  lwgeom_free(bg);
5601  bg = g2;
5602  }
5603  bg->srid = nodes->srid;
5604 
5605  return bg;
5606 }
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1155
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:529
LWCOLLECTION * lwgeom_as_lwcollection(const LWGEOM *lwgeom)
Definition: lwgeom.c:233
uint32_t ngeoms
Definition: liblwgeom.h:580
LWGEOM ** geoms
Definition: liblwgeom.h:575
int32_t srid
Definition: liblwgeom.h:460

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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