PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ _lwt_split_by_nodes()

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

Definition at line 5561 of file lwgeom_topo.c.

5562 {
5563  LWCOLLECTION *col = lwgeom_as_lwcollection(nodes);
5564  uint32_t i;
5565  LWGEOM *bg;
5566 
5567  bg = lwgeom_clone_deep(g);
5568  if ( ! col->ngeoms ) return bg;
5569 
5570  for (i=0; i<col->ngeoms; ++i)
5571  {
5572  LWGEOM *g2;
5573  g2 = lwgeom_split(bg, col->geoms[i]);
5574  lwgeom_free(bg);
5575  bg = g2;
5576  }
5577  bg->srid = nodes->srid;
5578 
5579  return bg;
5580 }
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:512
LWCOLLECTION * lwgeom_as_lwcollection(const LWGEOM *lwgeom)
Definition: lwgeom.c:216
uint32_t ngeoms
Definition: liblwgeom.h:594
LWGEOM ** geoms
Definition: liblwgeom.h:589
int32_t srid
Definition: liblwgeom.h:474

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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