[Talk-GB] Latest OS Opendata

Andy Townsend ajt1047 at gmail.com
Wed Aug 9 12:24:10 UTC 2017

On 09/08/2017 12:44, Dave F wrote:
> Interesting, if only to note it's inaccuracies: a few parks are 
> missing half of their full area in my locale.
> Is National Trust/CRoW land in a separate database? 

Actually, looking at NT land near me is pretty interesting - what is 
included and what is excluded is an odd combination:


(and compare with http://www.openstreetmap.org/way/331912832 which is 
the observable, mostly accessible Hardwick Park).

The GreenSpace dataset contains a number of fields that were 
historically part of Hardwick Park, are still owned by NT but aren't 
publicly accessible.  It also includes some NT-owned fields that have 
never in my lifetime been part of Hardwick Park (but may have been 
before), and also a private pub car park, but doesn't include some 
adjacent NT-owned fields that were historically part of the same 
estate.  It excludes new park access roads, so must have been updated 
fairly recently, and also excludes a farm access track through the 
estate, but not the farmyard.

It's such an odd mixture that if I were a data consumer of it I'd be 
very reluctant to use it without combining it with something else to 
sanity check it.  It's great for finding "hidden allotments" though - 
for example I'd never noticed 
https://raggedred.net/greenspace/#19/53.16869/-1.43609 before, and will 
now need to have a look to see what it actually is.

Best Regards,


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