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Locus Map - help desk Topic Problem Locus Map (Android)

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Category Locus Map (Android)

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Brouter - offline routing not work

Rainer Hoja-Heldmann shared this problem ago

Solved

Target island not found

Routing don't work :(

The same problem 0

Replies (4)

Dave Welsh ●

a bit more information please

where are you starting from and where are you going to?

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Rainer Hoja-Heldmann ●

Hi all,

you are right - sorry for the short description :(

Being in holiday in Burgundy (France) I ran out of data volume on my smartphone.

Via WiFi on a campsite I downloaded and installed Brouter and the respective map as add-on for offline routing with Locus.

I planned for a bicycle trip from Nolay to Chalon-sur-Saone (20 km away) and got the reported failure by starting the navigation.

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Libor Poutnik Striz ●

BRouter routing is not guaranteed to work in a town to a town manner. It expects point-on-the-way to point-on-the-way manner. ( or near vicinity of way, within a distance threshold ). If you place the points too far from a way allowed by the routing profile, it will not find a route.

I was successful in routing from Nolay to Chalon-sur-Saone.

Use location searching as low zoom area localication only, and then zoom in and place the start/destination on a particular point of a way. Searching just for a town and puting a point there may place the point too far from any routable road.

Also, Getting aware of BRouter on the road is rather too late, BRouter has its learning curve and challenges easily managed at home can be difficult on the road.

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Viajero Perdido ●

I think that's BRouter-speak for "can't find a route".

Do you have recently-updated routing files? (.rd5 is the file type, I believe.)

It could be that something's broken currently in OSM for your route. You could check via openstreetmap.org - the main portal into the database - and look for roads that don't quite connect. Stuff like that.

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Libor Poutnik Striz ●

It would help a lot if you provide exact start and target, e.g. by copying internet address after selecting points here> https://brouter.damsy.net/ , and also used BRouter profile.

BRouter works and tells you - even in rather a confusing way - that there is no possible route to the target, that seems isolated ( = island ) from the way network. At least according to used OSM road/way network in rd5 files, or according to profile dependent allowed OSM ways. Try to choose a target that definitely lays on allowed way.

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Michal Stupka ●

Hi,

no more reactions here for more than a month, I'm closing this topic. If you need anything, please contact us in a new topic at help.locusmap.eu.

Michal

Locus team

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