[OSM-dev] [OSM-talk] Ideas for OSM enhancements

[Brett Henderson]

Karl Newman wrote:
> Okay, that's no big deal. It's actually astounding to me that you put
> were able to the entire planet into a single img file... (obviously in
> pre-TIGER days). Anyway, I'm planning on writing a tiling task for
> Osmosis (probably not part of the Osmosis codebase, more likely a
> plugin-type thing if BrettH helps me facilitate that), so it could
> take a planet file and chunk it up into segments, probably individual
> osm files. Those files could then be processed by mkgmap. Garmin
> devices currently only support up to 2 GB MicroSD cards, but you're
> more likely to run into the limit of 2025 map segments first. We
> probably won't have the luxury of making the tiles uniform size,
> because obviously urban areas will have much more road density than
> rural areas. But if we were able to chunk it up into 4 degree square
> sections (obviously quite large near the equator), the planet could be
> covered in 4050 sections (360 x 180 / 16). Obviously, ocean areas will
> subtract a significant number from that.
>   
Adding plugins to osmosis should be fairly straightforward because I 
originally wrote it to work that way, it just hasn't been needed so far 
so it's all hard-coded in TaskRegistrar.

I've added it to future_features.txt, let me know if you need it sooner 
rather than later.