_lwt_FetchAllEdges()

static LWT_ISO_EDGE* _lwt_FetchAllEdges ( LWT_TOPOLOGY *  topo, int *  numedges  )

static

Definition at line 6141 of file lwgeom_topo.c.

{
  LWT_ISO_EDGE *edge;
  int fields = LWT_COL_EDGE_ALL;
  int nelems = 1;
 
  edge = lwt_be_getEdgeWithinBox2D( topo, NULL, &nelems, fields, 0);
  *numedges = nelems;
  if ( nelems == -1 ) {
    lwerror("Backend error: %s", lwt_be_lastErrorMessage(topo->be_iface));
    return NULL;
  }
  return edge;
}

References LWT_TOPOLOGY_T::be_iface, lwerror(), lwt_be_getEdgeWithinBox2D(), lwt_be_lastErrorMessage(), and LWT_COL_EDGE_ALL.

Referenced by lwt_Polygonize().

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