text: r"""
  
  **openpnm.topotools**
  
  ----
  
  This module contains a selection of functions that deal specifically with
  network topology.
  
  
  """
  
  from .topotools import add_boundary_pores
  from .topotools import clone_pores
  from .topotools import connect_pores
  from .topotools import dimensionality
  from .topotools import extend
  from .topotools import filter_pores_by_z
  from .topotools import find_surface_pores
  from .topotools import find_pore_to_pore_distance
  from .topotools import generate_base_points
  from .topotools import iscoplanar
  from .topotools import isoutside
  from .topotools import is_fully_connected
  from .topotools import label_faces
  from .topotools import merge_networks
  from .topotools import merge_pores
  from .topotools import reduce_coordination
  from .topotools import reflect_base_points
  from .topotools import rotate_coords
  from .topotools import shear_coords
  from .topotools import stitch
  from .topotools import stitch_pores
  from .topotools import subdivide
  from .topotools import template_cylinder_annulus
  from .topotools import template_sphere_shell
  from .topotools import trim
  from .topotools import trim_occluded_throats
  
  from .perctools import ispercolating
  from .perctools import remove_isolated_clusters
  from .perctools import site_percolation
  from .perctools import bond_percolation
  from .perctools import find_clusters
  from .perctools import find_path
  
  from .graphtools import find_neighbor_sites
  from .graphtools import find_neighbor_bonds
  from .graphtools import find_connected_sites
  from .graphtools import find_connecting_bonds
  from .graphtools import find_complement
  from .graphtools import istriu
  from .graphtools import istril
  from .graphtools import istriangular
  from .graphtools import issymmetric
  from .graphtools import _am_to_im
  from .graphtools import _im_to_am
  from .graphtools import tri_to_am
  from .graphtools import vor_to_am
  from .graphtools import conns_to_am
  
  from .plottools import plot_tutorial
  from .plottools import plot_connections
  from .plottools import plot_coordinates
  from .plottools import plot_networkx
  from .plottools import plot_vpython
  