Re: [Talk-GB] Has someone just given us (the start of) access to the crown jewels?

[Andrew Hain]

The property extents might be something that can be turned into landuse 
polygons. The existing ones where I live are very low quslity.

--
Andrew

From: Tim Waters 
Sent: 14 June 2018 14:09:57
To: OSM - Talk GB
Subject: Re: [Talk-GB] Has someone just given us (the start of) access to the 
crown jewels?

I think master map buildings could be really good for use for imagery offsets 
and to effectively ground truth surrounding traced features.

Just property extents: perhaps okay for positioning fences, walls etc?

Tim
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Re: [Talk-GB] Has someone just given us (the start of) access to the crown jewels?

[Philip Barnes]

On 14 June 2018 14:09:57 BST, Tim Waters  wrote:
>I think master map buildings could be really good for use for imagery
>offsets and to effectively ground truth surrounding traced features.
I am certainly using OS 24 inch maps in that way to work out where one building 
ends and another begins. Of course that only works in areas that are unchanged 
for a very long time. 

>
>Just property extents: perhaps okay for positioning fences, walls etc?
Certainly useful. 

Phil (trigpoint) 

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Sent from my Android device with K-9 Mail. Please excuse my brevity.

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Re: [Talk-GB] Has someone just given us (the start of) access to the crown jewels?

[Richard Fairhurst]

Mike Thacker wrote:
> Yes, a threshold on getting the data via an API, but true Open 
> Government Licence doesn't limit the amount of data used (as 
> far as I know) so it should be possible to build up a fill picture 
> as open data.

The transaction-limited versions don't appear to be being released as OGL;
OS is simply offering a free starter tariff for them. OS draws a distinction
on their product page between "for free up to a threshold" and "completely
open under Open Government Licence (OGL)" (it's that old free speech/beer
thing again).

So the property extents are the only new data being released as OGL for now,
with the possibility of UPRN/USRN data later on.

Richard



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Re: [Talk-GB] Has someone just given us (the start of) access to the crown jewels?

[Mark Goodge]

On 13/06/2018 17:08, Simon Poole wrote:
Most of the time such much applauded changes in policy work mainly for 
the big guys (aka the goog, here and tomtom), by lowering the costs to 
have similar level of non-automotive related detail as the national 
mapping agencies and OSM. I don't quite see and haven't seen in other 
countries, even in theory, how "small businesses" profit from this at all.


Releasing property extents under OGL is likely to be useful in the 
realms of planning and development. And UPRNs will benefit a lot of 
property-related businesses or those for which property forms an 
important part of their dataset.


The really big win, of course, would come from OGLing AddressBase. But, 
in the short term, UPRNs + OSM would make for a workable open source 
alternative.


Mark

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Re: [Talk-GB] Has someone just given us (the start of) access to the crown jewels?

[Simon Poole]

Most of the time such much applauded changes in policy work mainly for
the big guys (aka the goog, here and tomtom), by lowering the costs to
have similar level of non-automotive related detail as the national
mapping agencies and OSM. I don't quite see and haven't seen in other
countries, even in theory, how "small businesses" profit from this at all.

Simon


Am 13.06.2018 um 16:16 schrieb SK53:
> There's a transaction threshold, so not fully opendata: although I'm
> sure it could be gamed by a crowd!
>
> Before getting overly excited, take a look at the (poorly attributed)
> sample 1km sq in Exeter. Volume of data is very large with (just)
> buildings, road & pavement edges, property boundaries etc. Ask what
> will it improve in OSM other than precision: I suspect negligible
> impact on most routing applications (as OSM uses a centre-line model,
> which AFAIK is in the TIN layer of MM), mapping footpaths. On the
> (plus?) side lots of very detailed buildings (but not necessarily
> changes from extensions), property outlines (and perhaps this will
> change the status of the LR Inspire data).
>
> For me the single most valuable aspect will not be MM data at all, but
> the removal of licence doubts/issues about other datasets: notably
> those of Natural England, SNH and NRW, but also various PRoW data
> collected by Barry Cornelius.
>
> Jerry
>
> On 13 June 2018 at 14:56, Jon Stockill  > wrote:
>
> It looks like bits of OS MasterMap are being released under OGL.
>
> 
> https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/716023/OSMM_narrative.pdf
> 
> 
>
> This could be interesting!
>
> -- 
> Jon Stockill
> li...@stockill.net 
>
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Re: [Talk-GB] Has someone just given us (the start of) access to the crown jewels?

[SK53]

There's a transaction threshold, so not fully opendata: although I'm sure
it could be gamed by a crowd!

Before getting overly excited, take a look at the (poorly attributed)
sample 1km sq in Exeter. Volume of data is very large with (just)
buildings, road & pavement edges, property boundaries etc. Ask what will it
improve in OSM other than precision: I suspect negligible impact on most
routing applications (as OSM uses a centre-line model, which AFAIK is in
the TIN layer of MM), mapping footpaths. On the (plus?) side lots of very
detailed buildings (but not necessarily changes from extensions), property
outlines (and perhaps this will change the status of the LR Inspire data).

For me the single most valuable aspect will not be MM data at all, but the
removal of licence doubts/issues about other datasets: notably those of
Natural England, SNH and NRW, but also various PRoW data collected by Barry
Cornelius.

Jerry

On 13 June 2018 at 14:56, Jon Stockill  wrote:

> It looks like bits of OS MasterMap are being released under OGL.
>
> https://assets.publishing.service.gov.uk/government/uploads/
> system/uploads/attachment_data/file/716023/OSMM_narrative.pdf
>
> This could be interesting!
>
> --
> Jon Stockill
> li...@stockill.net
>
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