module documentation
Drawers for various edge styles in graph plots.
Class 

Abstract edge drawer object from which all concrete edge drawer implementations are derived. 
Class 

Edge drawer implementation that draws undirected edges as straight lines and directed edges by varying the alpha value of the specified edge color between the source and the destination. 
Class 

Edge drawer implementation that draws undirected edges as straight lines and directed edges as arrows. 
Class 

Edge drawer implementation that draws undirected edges as straight lines and directed edges by using an alpha value of one (full opacity) at the source and an alpha value of zero (total transparency) at the destination... 
Class 

Edge drawer implementation that draws undirected edges as straight lines and directed edges by using an alpha value of zero (total transparency) at the source and an alpha value of one (full opacity) at the destination... 
Class 

Edge drawer implementation that draws undirected edges as straight lines and directed edges as tapered lines that are wider at the source and narrow at the destination. 
Variable  cairo 
Undocumented 