Ahhh, I see, sorry I missed this. Thank you for the quick reply.

> On Apr 24, 2017, at 3:25 AM, Jakob Erdmann <[email protected]> wrote:
> 
> The lane index always comes after the rightmost underscore. For the meaning 
> of '#' and '-' see
> http://sumo.dlr.de/wiki/Networks/Import/OpenStreetMap#Relationship_between_OSM_ids_and_SUMO-ids.
> regards,
> Jakob
> 
> 
> 2017-04-24 1:25 GMT+02:00 Matt Piekenbrock <[email protected]>:
>> Upon running netconvert on a given OSM-retrieved bounding box /
>> geographical area, SUMO does a great job of converting it into a usable
>> road network.
>> 
>> However, I need to do some pretty heavy post-processing of the XML file(s)
>> themselves (not using python), including, for example, the routing file and
>> the floating car data FCD file.
>> 
>> The definition of lanes in sumo
>> <http://sumo.dlr.de/wiki/Networks/SUMO_Road_Networks#Lanes> seems pretty
>> straight forward--the first sequence of numbers indicates the
>> edge/way/road, and the number after an underscore indicates the lane id,
>> starting at the right-most lane. However upon close inspection, I've had
>> trouble identifying the exact semantics of each attribute associated with a
>> lane id. For example, I typically come across the following types of
>> lanes in either the FCD output file format:
>> 
>> -21373823#1_0
>> 485925832#2_0
>> 229800762_0_0
>> 444985371_0
>> :cluster_230036451_3844062512_0_0
>> :cluster_4424562773_4551197076_4551197077_3_0
>> 
>> I'm aware the ':' prefix indicates an internal lane, where such lanes are
>> of the form <NODE_ID>_<EDGE_ID>, however the semantics of the other types
>> elude me.
>> 
>> >From reading online, I've gathered that the first number after the '#' is
>> sometimes used to indicate the lane id as well as when there's an
>> underscore, making them seem interchangeable, but what is the second
>> number? Direction, where 0 is north?
>> 
>> I assume a cluster is formed from attempting to join edges from OSM?
>> 
>> And what does the minus sign indicate at the beginning of the edge id?
>> --
>> Matt Piekenbrock
>> Graduate Research Assistant - WSU / Kno.e.sis WaCS lab
>> Email: [email protected], [email protected]
>> Cell: (937) 269-8582
>> Web Page: mattpiekenbrock.com
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