[OSRM-talk] combine metroextracts

Emil Tin emil at tin.dk
Wed Jan 7 17:53:17 UTC 2015

Yes it’s possible by first combining pbf files with osmosis. Osmosis supports polygons files with mutliple polygons, in case you want to start with a pbf file that covers all of north america and then filter that to just leave specific areas.


On 07 Jan 2015, at 18:37 , Alex Farioletti <alex at tcbcourier.com> wrote:
> Is there a way to combine several metro extracts to reduce the ram requirements to run OSRM?
> my use case is to route within several cities in north america (SF, Toronto, Chicago, Minneapolis) but not really needing anything out side of those areas. I have built an osrm-backend that does north america but I'm needing like 14gb of ram to run it, and that's expensive.
> Can i do this through OSMOSIS? I was looking at it but it seems to only take a single polygon (http://wiki.openstreetmap.org/wiki/Osmosis#Extracting_bounding_boxes <http://wiki.openstreetmap.org/wiki/Osmosis#Extracting_bounding_boxes>).
> I just want to make sure this is even possible before I go down the rabbit hole.
> Alex Farioletti
> 415.312.1674 <>
> tcbcourier.com <http://tcbcourier.com/> 
> _______________________________________________
> OSRM-talk mailing list
> OSRM-talk at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/osrm-talk

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/osrm-talk/attachments/20150107/598deb19/attachment.html>

More information about the OSRM-talk mailing list