hi, list: I've started to develop a new binary map format for display, geocoding and possibly routing on mobile device. After checking out some active routing projects, I found most of them have no or poor document for their binary format. Navit actually has a page about their binary format, but almost just an outline. For Gosmore, there was once a post about its format (about 2 yeas ago?), which was also not so detailed. Several years ago, I've developed a binary map using zoom-level based sub r*-tree of map tiles. It's very fast even for low end mobile device, but missing feature like geocoding and routing. So, it will be grateful, if someone can offer me some good documents.
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