Re: [Talk-GB] MapThePaths - new site focusing on OSM UK footpath mapping

2018-06-09 Thread Adam Snape
HI Nick,

Great job. It will be a really useful tool :)

I echo Rob's request for a higher level of zoom if that is at all possible.
I'd also suggest looking at some of the excluded 'urban' areas. Some of the
unitary authorities and Metropolitan Boroughs (particularly in Pennine
England) are more rural than you might imagine. For example Blackburn with
Darwen covers much of the popular walking area of the West Pennine Moors,
whilst the windswept moors of Wuthering Heights fall into the
urban-sounding Metropolitan Borough of Bradford!

It's great that we have this resource to add designation tags but just one
warning based upon something I saw a new mapper near me do a couple of
years ago. Please do not add negative access tags or delete existing access
tags based on the recorded status of these paths. The recording on the
definitive map of a public footpath means foot=designated, it explicitly
does not mean bicycle=no, horse=no etc. There may be unrecorded  rights,
locals may customarily use the routes on horse or bike, there may be
explicit permissive access, or a formal Cycle Track Order may have been
made. We are not able to judge any of this from the PRoW datasets.

Kind regards,

Adam

On 9 June 2018 at 14:46, Rob Nickerson  wrote:

> Hi Nick,
>
> I like this. Spent some time last night adding designations to existing
> OSM paths using one of the OGL datasets.
>
> A couple of questions:
>
>1. Do you have a combined ROW dataset (bringing all the rowmaps files
>together)? If so could you host this somewhere.
>2. Is it possible to allow one more zoom in on the map. For some very
>short ROWs it would be good to zoom in and have a closer look.
>3. Could you add the GB1900 data as an additional source (the so
>called 2026 missing paths)?
>
> Finally, did you spot my email from Chris that I posted to talk-gb? There
> is a launch event in London early July if you can make it.
>
> Best regards,
> *Rob*
>
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Re: [Talk-GB] Footpaths - search for the missing ones

2018-06-09 Thread Adam Snape
A very interesting dataset,

Just a belated comment regarding the footpaths on the c.1900 maps. We do
need to be careful not to infer too much about public rights. It is only
modern (1960s onwards) OS maps which have shown definitive rights of way
(in OSM terms designation=public_footpath). Older OS maps made no attempt
to distinguish rights, merely mapping physical features that the surveyor
saw on the ground (highway=footway or highway=path). Since the late 19th
Century OS Maps have always carried the disclaimer that the depiction of a
path or track on the map is no evidence of a right of way.

In truth there is some evidence that public use was often considered by the
OS and so depiction as a FP may provide some limited supporting evidence of
highway status, So it's certainly worth investigating paths marked on old
maps for potential public rights but I'd avoid simply assuming that 1900
paths marked as FP on OS maps are unrecorded public footpaths.

I've been doing a lot of research into unrecorded rights of way in my area
over the last few years, I'm happy to help if anybody needs any assistance
with their research or DMMO application.

Kind regards,

Adam

On 9 June 2018 at 14:06, Rob Nickerson  wrote:

> Hi all,
>
> I received an email yesterday from Chris at National Library of Scotland /
> GB1900 project. All public domain links so reposting it here:
>
> 1.I was curious myself to see how the distribution of footpaths
> looked a century ago based on the GB1900 abbreviations so I mapped the data
> I sent you at http://geo.nls.uk/maps/gb1900footpath/
>
> 2.On 9 July in London there will be an official launch event of the
> cleaned and edited GB1900 dataset: https://www.eventbrite.com/e/
> gb1900-historical-gazetteer-a-celebration-and-launch-tickets-46224059406
> You or your colleagues would be welcome to attend, but no worries if you
> can’t, and I’ll keep you posted with the revised/cleaned dataset next
> month. It would be good to keep possible OSM projects involving this
> dataset in mind for the future.
>
>
>
> If anyone is in London and would like to attend this (or can travel in to
> attend this) please let me know.
> Best regards,
> *Rob*
>
>
> On Wed, 9 May 2018 at 21:13, Rob Nickerson 
> wrote:
>
>> Hi
>>
>> Just posted a "challenge" to Loomio for anyone who is interested. It's a
>> bit beyond me so thought I'd post it here.
>>
>> Basically we have point data of historic footpaths (some 300k points) and
>> I think it would be amazing to compare this to OSM to see if we can find
>> more footpaths to map. Obviously some will be long gone due to 100 years of
>> urban sprawl, but I'm hopeful we can still find some missing paths.
>>
>> https://www.loomio.org/d/pviAOkGR/challenge-footpaths
>>
>> Thanks,
>> *Rob*
>>
>
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Re: [Talk-GB] Two new tools: 'Ghosts' and 'Survey Me'

2018-06-09 Thread Artur R. Czechowski
Hi Robert,
So, I did a partial walk through my area and I have a couple of questions.

How to report false positives to the 3rd party data? Tait's Pharmacy (BD18
3HZ) certainly does not exist at mentioned location. Neither there is any
track it existed before or would be exist soon.
http://robert.mathmos.net/osm/survey/#18/53.8361/-1.7862

How often data in your tool are refreshed? I surveyed a couple of postboxes
and updated OSM data just recently.

As you have gathered those data it is possible to provide some API to
access it? Personally I would be glad to see them as StreetComplete quests.

Best regards
 Artur

On Fri, Jun 1, 2018 at 2:12 PM, Robert Whittaker (OSM lists) <
robert.whittaker+...@gmail.com> wrote:

> I'd like to announce two new tools, which may help people improve OSM
> data in the UK.
>
> The first tool is 'Ghosts': http://robert.mathmos.net/osm/ghosts/
>
> I put this together as a result of the discussion on this list last
> month. The tool aims to track closed and re-named/re-branded UK shops
> and facilities that are still present in OSM. It's probably not that
> useful on its own, apart from helping to indicate the size of
> different issues and our progress in tackling them (and you could tell
> that anyway from taginfo.) However, it also feeds its data in to...
>
> The second tool is 'Survey Me!': http://robert.mathmos.net/osm/survey/
>
> This combines the data from Ghosts and my various other tools
> (defibrillators, postboxes, post offices, pharmacies, rights of way,
> schools) and presents a local view of discrepancies that could
> potentially be resolved by a ground survey. The idea is that if you're
> interested in your local area, or you're going somewhere new and want
> to see if there's anything in particular worth surveying, you can use
> the tool to get a set of locations to check out. This should be much
> more convenient than looking at each of my tools individually.
>
> I hope some of your will find these tools useful. As usual, I'm happy
> to receive feedback and suggestions for improvements.
>
> Robert.
>
> --
> Robert Whittaker
>
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Re: [Talk-GB] Two new tools: 'Ghosts' and 'Survey Me'

2018-06-09 Thread Rob Nickerson
A couple other "Ghosts":

   - Total petrol stations (I'm almost certain this brand has gone now but
   struggled to find definitive proof)
   - The army recruitment shops - can't remember the name (Brian will know
   as he mentions this occasionaly)

*Rob*
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Re: [Talk-GB] MapThePaths - new site focusing on OSM UK footpath mapping

2018-06-09 Thread Rob Nickerson
Hi Nick,

I like this. Spent some time last night adding designations to existing OSM
paths using one of the OGL datasets.

A couple of questions:

   1. Do you have a combined ROW dataset (bringing all the rowmaps files
   together)? If so could you host this somewhere.
   2. Is it possible to allow one more zoom in on the map. For some very
   short ROWs it would be good to zoom in and have a closer look.
   3. Could you add the GB1900 data as an additional source (the so called
   2026 missing paths)?

Finally, did you spot my email from Chris that I posted to talk-gb? There
is a launch event in London early July if you can make it.

Best regards,
*Rob*
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Re: [Talk-GB] Footpaths - search for the missing ones

2018-06-09 Thread Rob Nickerson
Hi all,

I received an email yesterday from Chris at National Library of Scotland /
GB1900 project. All public domain links so reposting it here:

1.I was curious myself to see how the distribution of footpaths looked
a century ago based on the GB1900 abbreviations so I mapped the data I sent
you at http://geo.nls.uk/maps/gb1900footpath/

2.On 9 July in London there will be an official launch event of the
cleaned and edited GB1900 dataset:
https://www.eventbrite.com/e/gb1900-historical-gazetteer-a-celebration-and-launch-tickets-46224059406
You or your colleagues would be welcome to attend, but no worries if you
can’t, and I’ll keep you posted with the revised/cleaned dataset next
month. It would be good to keep possible OSM projects involving this
dataset in mind for the future.



If anyone is in London and would like to attend this (or can travel in to
attend this) please let me know.
Best regards,
*Rob*


On Wed, 9 May 2018 at 21:13, Rob Nickerson 
wrote:

> Hi
>
> Just posted a "challenge" to Loomio for anyone who is interested. It's a
> bit beyond me so thought I'd post it here.
>
> Basically we have point data of historic footpaths (some 300k points) and
> I think it would be amazing to compare this to OSM to see if we can find
> more footpaths to map. Obviously some will be long gone due to 100 years of
> urban sprawl, but I'm hopeful we can still find some missing paths.
>
> https://www.loomio.org/d/pviAOkGR/challenge-footpaths
>
> Thanks,
> *Rob*
>
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[Talk-GB] weeklyOSM #411 2018-05-29-2018-06-04

2018-06-09 Thread weeklyteam
The weekly round-up of OSM news, issue # 411,
is now available online in English, giving as always a summary of all things 
happening in the openstreetmap world:

http://www.weeklyosm.eu/en/archives/10415/

Enjoy!

weeklyOSM? 
who?: https://wiki.openstreetmap.org/wiki/WeeklyOSM#Available_Languages 
where?: 
https://umap.openstreetmap.fr/en/map/weeklyosm-is-currently-produced-in_56718#2/8.6/108.3
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Re: [Talk-GB] MapThePaths - new site focusing on OSM UK footpath mapping

2018-06-09 Thread Nick Whitelegg

Quick update: most of Wales now added.


Also I have made one or two changes to the JavaScript code so please do Ctrl-F5 
if you want to reload the site, otherwise the browser may use old code and it 
may not work.


Apologies for the top posting by the way, it's an unfortunate limitation of 
this email client.


Nick


From: Nick Whitelegg 
Sent: 08 June 2018 15:04:15
To: talk-gb@openstreetmap.org
Subject: [Talk-GB] MapThePaths - new site focusing on OSM UK footpath mapping



Hello everyone,


Following on from the recent discussions regarding rights of way and the 
licensing of council data, I would like to announce that the initial - and very 
much prototype - version of 'MapThePaths' is now available.


http://www.mapthepaths.org.uk/


This site aims to be a platform to help map, and correctly tag, rights of way 
(and other walkable paths) in England and Wales.


Currently it is a viewer only, it does not yet offer editing facilities, and 
covers rural areas of England only for now (former metropolitan counties and 
urban unitary authorities have been largely excluded to minimise demands on the 
server).  It shows council rights of way (thanks to Barry Cornelius and rowmaps 
for this) superimposed on OSM paths (ways where 
highway=footway,path,bridleway,track,steps,cycleway or service). Both council 
data and OSM data is coloured by designation. OSM paths with no designation are 
shown as grey dashed lines.


You can click on the council paths (which are wider, transparent lines) to get 
the licensing status (is the data OGL?) - thanks to Robert Whittaker for this.


It uses various ECMAScript 6 features so needs an up-to-date browser (something 
from about the last two to three years, and not IE).


Future plans will include limited editing: in OGL areas only (this will be 
auto-detected, registered OSM users will be able to add designation and 
prow_ref to OSM ways without these tags).


It is also planned to allow users to easily find areas where there are large 
numbers of unmapped or untagged paths, and to allow non-expert users to leave 
notes (e.g.  'this is a permissive pat', 'footpath runs along left side of 
hedge') which can then be used by expert mappers.


At the moment, to minimise server constraints, OS VectorMap District has been 
used as the base layer. It's possible that this will be replaced by a Mapnik 
render if possible - the underlying database at the moment is MongoDB basically 
because it works very nicely with GeoJSON and can do geospatial queries.


It would also be good (as previously discussed) to allow an out-of-copyright OS 
map base layer - the project could also be used to help identify lost rights of 
way for 2026.


A companion Android app for in-the-field use will also begin development very 
soon.


Any other suggestions for features, or any suggestions for improvements on the 
colour scheme would be welcome.


Source code is on gitlab:

https://gitlab.com/nickw1/mapthepaths


Nick



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