[pgrouting-dev] driving_distance Synopsis

[Steve Horn]

Hello list.

I am interested in digging in more to the driving_distance functions to do
some refining and perhaps improve the usefulness of the results (
http://lists.osgeo.org/pipermail/pgrouting-dev/2012-February/000458.html).

Having a hard time deciphering the current implementation, mostly because
of my lack of familiarity with c/c++. Is there someone who wouldn't mind
giving a synopsis of the overall approach that the algorithm takes?

Thanks!
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