ReachIterator Class Reference

An iterator over every upstream reach from a start reach. More...

Detailed Description

An iterator over every upstream reach from a start reach.

Implements both the Python and the C++ iterator interface Usage C++:

ptr r;
for (ReachIterator it(r);it.valid();++it) { ... }

Usage Python:

for reach in ReachIterator(r):
    pass

Public Member Functions
	ReachIterator (Reach::ptr first)
	Creates a ReachIterator from a first reach.
Reach::ptr	next ()
	Returns the next reach in the upstream queue.
double	position () const
	Returns the distance to the root reach.
Reach::ptr	reach () const
	Returns the current reach.
bool	valid () const
	Returns true, if reaches are left to iterate over.