_lwt_split_by_nodes()

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

static

Definition at line 7093 of file lwgeom_topo.c.

{
  LWCOLLECTION *col = lwgeom_as_lwcollection(nodes);
  uint32_t i;
  LWGEOM *bg;
 
  bg = lwgeom_clone_deep(g);
  if ( ! col->ngeoms ) return bg;
 
  for (i=0; i<col->ngeoms; ++i)
  {
    LWGEOM *g2;
    g2 = lwgeom_split(bg, col->geoms[i]);
    lwgeom_free(bg);
    bg = g2;
  }
  bg->srid = nodes->srid;
 
  return bg;
}

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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