arc_node_summary        Summarize arc-node structure
arcs_to_wkb             Convert arcs to WKT linestrings
as_arcs                 Convert arcs to a wkpool of arc segments
as_pslg                 Convert wkpool to RTriangle pslg format
classify_cycles         Classify cycles as outer rings or holes based
                        on winding
cycle_signed_area       Calculate signed area of a cycle
cycles_to_wkt           Convert cycles to WKT polygons
establish_topology      Establish topology from any wk-handleable
                        geometry
find_arcs               Find arcs (maximal segment sequences between
                        nodes)
find_cycles             Find closed cycles (rings) in segment graph
find_internal_boundaries
                        Find internal boundaries (edges shared by
                        exactly 2 features, opposite direction)
find_neighbours         Build adjacency from shared edges
find_nodes              Find nodes (vertices where degree != 2)
find_shared_edges       Find shared edges between features
hole_points             Get hole points for constrained triangulation
merge_coincident        Merge coincident vertices in a pool
plot.wkpool             Plot a wkpool object
pool_combine            Combine wkpool objects
pool_compact            Compact a pool by removing unreferenced
                        vertices
reverse_cycle           Reverse a cycle's winding direction
segments_to_wkt         Convert wkpool segments to WKT
topology_report         Report topology diagnostics
vec_c                   Combine many wkpool vectors into one vector
vertex_degree           Calculate vertex degree (number of segments
                        touching each vertex)
wkpool-accessors        Access components of a wkpool object
