osm geopoint routing offline

Question

Good afternoon,

I'm an Android Developer and i'm trying to create an app with osm. At this point i'm stil running some tests and i managed to create a map of Lisbon, Portugal with Mobile Atlas Creator. With the GEMF file i've loaded the map and now i'm trying to create a routing system. What i've learned is that the GEMF file is "simply" a lot of pictures and it doenst create routes.

I've created a route with the osmbonuspack_v3.4 but i had to insert manualy all the GeoPoint's of a street and its GeoPoint's of curve (for example) for it to draw a good route. It's s still a very far-fetched version because i'm still learning, but i managed to do something.

My question is: is there any way of generating the GeoPoints without having to insert theme all manualy? Is there any kind of OSM Map that has an attached DataBase of GeoPoint's? If not, is there any way of creating the GeoPoint's at the same time that i create the map (like i did in the MOBAC)?

what i want is to create my own route. i dont want to find the fastest route to a certain location.

Thanks for you'r help

Cheers

Ricardo

Answer 1

I've never heard of these GEMF files. They certainly don't officially belong to OpenStreetMap.

If you want raw geodata for routing then just download it from OSM (also look at the extracts). You should read about OSM's basic elements and OSM tags for routing.

There is also an extensive wiki page about routing with OSM including a list of various online routers and offline routers, a really large list of OSM software and libraries for Android as well as for other mobile devices of which are many open source. This should be enough to get an idea where to start.