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
>
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