I think Peter was planning on making the ITO boundaries available as a traceable layer, but haven't heard anything about this recently.
On Tue, May 29, 2012 at 4:00 PM, Tom Chance <t...@acrewoods.net> wrote: > On 29 May 2012 15:44, Colin Smale <colin.sm...@xs4all.nl> wrote: > >> My questions to the community: >> 1) Would a bulk upload of any or all of this data be interesting? >> > > Thanks for raising this, it would be great to get a more complete set of > boundaries. In answer to your first question, no, please don't follow a > bulk upload approach. I say this for two reasons: > > 1) Most boundaries follow existing features like roads, rivers, etc. They > need to be manually entered as relations sharing nodes with those features. > In my experience this is often a nice opportunity to spot other problems > with very old features using aerial imagery and GPS tracks, e.g. poor > alignment, or complicated junctions that aren't fully modelled for routing. > So much better done manually than by dumping a load of new ways into the > database. > > 2) Many boundaries already exist, but are often slightly incorrect, e.g. > not sharing nodes with existing features but being a little offset. By > doing this manually you can improve these as you go, especially since every > boundary shares its properties with one or more other boundaries. > > The best approach would be to identify which boundaries are missing, put > those up in a list and and encourage people to get us to 100%. Perhaps > start with counties, then unitaries and districts, then even wards. > > ITO have a nice map of boundaries that people can use to check up on them, > you can see I started to add wards in Southwark: > http://www.itoworld.com/map/2 > > Regards, > Tom > > -- > http://tom.acrewoods.net http://twitter.com/tom_chance > > _______________________________________________ > Talk-GB mailing list > Talk-GB@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk-gb > >
_______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-gb
