route planning

Jon Clements joncle at googlemail.com
Fri Dec 1 17:37:28 EST 2006


It's not really what you're after, but I hope it might give some ideas
(useful or not, I don't know).

How about considering a vertex as a point in space (most libraries will
allow you to decorate a vertex with additonal information), then
creating an edge between vertices, which will be your 'path'. You can
then decorate the edge with information such as distance/maximum speed
etc...

Then all you need to do is use an A* path algorithm or shortest path
search to get the shortest / most efficient route.... You might need a
custom visitor to suit the 'weight'/'score' of how efficient the path
is.

I know this probably isn't of much help, but I hope it comes in useful;
I've only ever used Boost.Graph (which is C++, but I believe it has a
Python binding) and that was for something else -- although I do recall
it had examples involving Kevin Bacon and dependency tracking etc... so
a good old Google might do you some good -- ie, it's not completely
related, but it might give you a few extra things to search on...

All the best with the search.

Jon.

PS. If you do find a library, can you let me know? I'd be interested in
having a play with it...




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