Hi,

I want to implement my own edge-based visitor.
I need to implement new visitor events (for example on_initialize_edge
or on_finish_edge).
So, what should I do? Do I need to redefine entire visitor concept?

hi,
here is an example on how to use the visitors without redefining the whole concept:
http://www.boost.org/libs/graph/example/dave.cpp
hth, moritz