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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