[GraphHopper] There must be bug on the subnetwork removal

[Peter]

There are two types of subnetworks and the smaller ones seems to be
'one-way subnetworks' which means they are eg. only reachable as
destination or start. But if you would start from a destination-only
subnetwork you'll get 'not found' for all points outside of this network.

Regards,
Peter

On 23.07.2015 23:03, John Zhao wrote:
> Interesting, 
> when I increase minOnewayNetworkSize from 20 to 50, the following two
> disappeared.
> subnetwork start from: 37.32611992939085,-121.9961998312816 size: 24
> subnetwork start from: 37.78373608999855,-122.25065187925067 size: 34
>
> *Best Regards,*
> *ZhiQiang ZHAO*
>
> On Thu, Jul 23, 2015 at 1:55 PM, John Zhao <johnthu at gmail.com
> <mailto:johnthu at gmail.com>> wrote:
>
>     Hi,
>
>     I tried car flag encoder with following parameter on San Francisco
>     bay area data from mapzen.
>     https://s3.amazonaws.com/metro-extracts.mapzen.com/san-francisco-bay_california.osm.pbf
>
>     minNetworkSize=200
>     minOnewayNetworkSize=20
>
>     I printed all the remaining subnetworks.
>     edges: 591932, nodes 437420, there were 3496 subnetworks. removed
>     them => 13121 less nodes. Remaining subnetworks:5
>     The remaining subnetworks are:
>     subnetwork start from: 37.32611992939085,-121.9961998312816 size: 24
>     subnetwork start from: 37.56018439442332,-122.30257814308803 size:
>     436637
>     subnetwork start from: 37.78373608999855,-122.25065187925067 size: 34
>     subnetwork start from: 38.180185962770565,-121.70631393878864
>     size: 301
>     subnetwork start from: 37.85717050411933,-122.07633641532816 size: 424
>
>     I don't understand why there is still subnetwork less than 200 nodes.
>
>     I have a look at 37.32611992939085,-121.9961998312816.
>     It seesm related with barrier=gate at intersection.
>     http://www.openstreetmap.org/node/1126492194
>
>     *Best Regards,*
>     *ZhiQiang ZHAO*
>
>
>
>
> _______________________________________________
> GraphHopper mailing list
> GraphHopper at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/graphhopper

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/graphhopper/attachments/20150723/6791e16a/attachment.html>