Re: [Talk-GB] Govt should pressure Google to release data

2018-11-26 Thread Rob Nickerson
Hi Gregory,

Leigh has expanded a bit on twitter:
https://twitter.com/ldodds/status/1066233917722845184

I think their argument is that some big tech companies are already sharing
back (e.g. into OSM) and this should be seen as the standard approach. This
becomes particularly true when big tech has used crowd sourcing to build
their data for free. It is also an aspiration to avoid duplication of work
so that we get to the stage where we unlock the benefits of geospatial data
sooner (they're thinking autonomous vehicles, etc). Problem is that there
is potential to commercialise data here. So first steps could be releasing
data where the commercial value is low yet there is still a public benefit.

I think ODI are true to their strategy: advocate greater availability of
open data for public good by asking big tech not to hoard data that can be
released - starting with data of low commercial value but high public
value. Data on wheelchair accessibility is given as an example.

Best regards,
*Rob*
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Re: [Talk-GB] How to map houses

2018-11-26 Thread Dan S
Hi BD,

Ed's right that opinions will vary and there's often not one perfect
answer. Allow me to propose a modification of Martin's suggestion, for
the case where you have one single outline for a whole terrace and no
knowledge of exactly which housenumber sits where:

building=terrace
addr:housenumer=5-17
addr:interpolation=2
addr:street=Westbury Avenue

Using address interpolation on an outline is not that common, I admit,
but it does at least mean the data is there in machine-readable
format, i.e. it's relatively straightforward to write an automatic
query to know where to send someone if they're looking for 7 Westbury
Avenue.

The more orthodox use is described here:
https://wiki.openstreetmap.org/wiki/Addresses#Using_interpolation
where, assuming you know which end of the row is number 5 and which is
number 17, you'd use building=terrace and then create a separate way
(typically not even connected to the building outline) that holds the
addresses and interpolation as shown in the little diagram you see on
that wiki page.

Best
Dan

Op ma 26 nov. 2018 om 19:22 schreef Martin Wynne :
>
> Hi BD,
>
> Try:
>
> building=terrace
>
> name=5-17 Westbury Avenue
>
> see: https://wiki.openstreetmap.org/wiki/Tag:building%3Dterrace
>
> cheers,
>
> Martin.
>
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Re: [Talk-GB] How to map houses

2018-11-26 Thread Ed Loach
BD asked:

> can some one tell me, what is the best way to map houses in residential area. 
> 
> Which one should we consider the most appropriate way to map longer building 
> comprised of few properties?

I'm not sure either of your two examples are the best way, and I suspect the 
answer is likely to be "opinions vary".

Your example of individual houses would, in my opinion, be the better of the 
two if it had house numbers. The long buildings with nodes to mark house 
numbers are better than nothing. Buildings with no other information than just 
an outline are nothing but visual clutter which makes it harder to see where 
still needs address surveying without zooming in close (I'm sure my opinion 
will upset a lot of people who spend ages sitting there tracing them, but when 
I've come to add house numbers in the past it is often easier to delete the 
building outlines and start again).

Here are some other examples you might like to look at.

Maldon, Essex
https://osm.org/go/0EFrpAyFq?m=
Being picky, I think the individual property boundaries are perhaps a bit over 
the top, but if they are going to be added then there probably needs to be 
access to the house from the street rather than a solid barrier.

Sutton Coldfield, Birmingham
https://osm.org/go/euzN_rS4l--?m=

Nottingham
https://osm.org/go/eu8bMaoJB--

East Dulwich
https://osm.org/go/euuuXeO_c--

Clacton-on-Sea
https://osm.org/go/0EHmQd7ib

Apart from the last I just picked places at random and zoomed in. The level of 
detail varies, but what seems to be common is the individual outlines with an 
address on each.

I hope this helps,

Ed



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[Talk-GB] How to map houses

2018-11-26 Thread BD
Hi,   can some one tell me, what is the best way to map houses in residential 
area. I was thinking of this on a much smaller scale (four or five terraced 
homes) but here is a good example of even longer properties.   
www.openstreetmap.org www.openstreetmap.org  West of the Westbury Ave., each 
house is a separate object; east from there someone mapped the long buildings 
as single long rectangles and only added points for house numbers.   Which one 
should we consider the most appropriate way to map longer building comprised of 
few properties?
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Re: [Talk-GB] Govt should pressure Google to release data

2018-11-26 Thread Mark Goodge



On 26/11/2018 12:07, Gregory Marler wrote:


The ODI have called on the government to pressure Google, Uber, Apple 
into releaseing "mapping data"

https://theodi.org/article/we-call-on-the-government-to-work-with-google-apple-and-uber-to-publish-more-map-data-and-support-the-uks-emerging-technologies/

This got a fair amount of media attention last week in the Financial 
Times and other places.


My reaction was a bit confused...

Mapping data = location of things? Don't need it, as Sir Tim Bernes-Lee 
(ODI co-founder) already sings the praises of OpenStreetMap. Open data 
at Ordnance Survey is also getting better (I thought we/ODI we focusing 
on improving that, we all know govt could do better).


I think it's badly headlined, and badly reported. If you read the ODI's 
actual submission to the consultation, what they are actually calling 
for is for government  agencies and contractors to release more data 
under OGL or compatible licences. In particular, things like USRNs, 
UPRNs, TOIDs, INSPIRE IDs, etc.


The ODI's argument is that the lack of open data makes it difficult, if 
not impossible, for start-ups and other SMEs to compete with the giants 
(such as Google and Apple), as they do not have the resources to 
generate their own geospatial data and both the costs and conditions of 
licensing non-free data makes it impractical for them to use.


I entirely agree with that, and I would hope that the OSM community 
does, too.


Mark

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[Talk-GB] Govt should pressure Google to release data

2018-11-26 Thread Gregory Marler
The ODI have called on the government to pressure Google, Uber, Apple into
releaseing "mapping data"
https://theodi.org/article/we-call-on-the-government-to-work-with-google-apple-and-uber-to-publish-more-map-data-and-support-the-uks-emerging-technologies/

This got a fair amount of media attention last week in the Financial Times
and other places.

My reaction was a bit confused...

Mapping data = location of things? Don't need it, as Sir Tim Bernes-Lee
(ODI co-founder) already sings the praises of OpenStreetMap. Open data at
Ordnance Survey is also getting better (I thought we/ODI we focusing on
improving that, we all know govt could do better).

Mapping data = user data, like current traffic locations or insights into
journeys people take? This would be amazing to get. But the companies won't
give it away if you ask nicely, it's potentially their most valuable asset
besides giving away the actual users. The govt can't control that, unless
it was part of an existing agreement (i.e. bike share schemes, or taxis).


The article/press release disappoints me, it feels like a waste of media
attention. It possibly even dilutes the other messages of the ODI and it's
founders.

What do the rest of you think?


-- 
Gregory Marler
i...@nomoregrapes.com
http://www.livingwithdragons.com
http://www.nomoregrapes.com
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