[Routing] Binary file format

[Guenther Meyer]

Am Montag 10 Dezember 2007 schrieb Adrian Stabiszewski:
> Hi,
>
> I'm quite new to OSM, but I'm much exited about this project and the idea
> having a vector map and use it for navigation.
>
> After looking a bit at travelling-salesman I think, it would be a good idea
> to make some basic decisions on how to make a routing program.
> The first thing which bothers me for some time now, is that on mobile
> devices it will be quite impossible to parse several hundreds MB of XML
> data in reasonable time. Also you won't have an SQL database running that
> you can use for querying data. So both ways of accessing data are not
> suitable for mobile devices.
> But since we can rely on having a flash card with high speed access times
> it would be a good idea to design a binary file format, which will allow us
> to find the data we need for routing and displaying routes in a quick way.
> I already have some basic file layout in my mind that I will post here in a
> few days, but I also would like to hear, what you think about this
> approach.
>
could sqlite be a suitable format?

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