Re: [Talk-GB] Vanguard Way - Anyone from the Kent / Sussex border?

2013-10-30 Thread David Fisher
There appears to be a user named VanguardWay (
http://www.openstreetmap.org/user/VanguardWay/edits) who has been
systematically adding Vanguard Way to all ways along the route, all in
mid-September of this year.  To their credit, I suppose, they've added it
as an extra name with a forward slash rather than replacing any existing
names, but clearly the relation is both more correct and far older.


On Wed, Oct 30, 2013 at 12:10 AM, Andy Street m...@andystreet.me.uk wrote:

 On Tue, 29 Oct 2013 23:27:31 +
 Richard Symonds richard.symo...@wikimedia.org.uk wrote:

  Although, granted, it's probably recorded incorrectly...

 Yup, the fact that most/all of the ways have also been tagged with the
 website for the Vanguard Way is a fairly strong indicator the editor in
 question hasn't understood how relations work.

 --
 Regards,

 Andy Street

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Re: [Talk-GB] Vanguard Way - Anyone from the Kent / Sussex border?

2013-10-30 Thread David Fisher
(P.S.  and as a local, I can confirm that no ways are actually named
Vanguard Way on the ground, at least not in the Croydon area)


On Wed, Oct 30, 2013 at 7:27 AM, David Fisher djfishe...@gmail.com wrote:

 There appears to be a user named VanguardWay (
 http://www.openstreetmap.org/user/VanguardWay/edits) who has been
 systematically adding Vanguard Way to all ways along the route, all in
 mid-September of this year.  To their credit, I suppose, they've added it
 as an extra name with a forward slash rather than replacing any existing
 names, but clearly the relation is both more correct and far older.


 On Wed, Oct 30, 2013 at 12:10 AM, Andy Street m...@andystreet.me.ukwrote:

 On Tue, 29 Oct 2013 23:27:31 +
 Richard Symonds richard.symo...@wikimedia.org.uk wrote:

  Although, granted, it's probably recorded incorrectly...

 Yup, the fact that most/all of the ways have also been tagged with the
 website for the Vanguard Way is a fairly strong indicator the editor in
 question hasn't understood how relations work.

 --
 Regards,

 Andy Street

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Re: [Talk-GB] Vanguard Way - Anyone from the Kent / Sussex border?

2013-10-30 Thread SomeoneElse

David Fisher wrote:
(P.S.  and as a local, I can confirm that no ways are actually named 
Vanguard Way on the ground, at least not in the Croydon area)




Thanks for that.  It's something that happens fairly regularly around my 
patch too - people add the name of the long distance route to the name 
of the road because they're not familiar with 
http://hiking.waymarkedtrails.org/en/?zoom=13lat=50.88363lon=0.1946hill=0 
and other similar maps, or because it's not easy to find out if there's 
a relation to add the way to, or because they're new to OSM and have no 
idea what a relation is yet (which is fair enough - you wouldn't teach 
someone learning a foreign language all the irregular verbs first).


Perhaps someone (or more than one) could get in touch with them with a 
bit of an explanation?  It looks like the Vanguard Way website uses OS 
maps, and the ways that form part of it in OSM haven't all been surveyed 
for e.g. surface, gates and stiles, and that sort of thing.


Someone will then have to do a bit of a tidy, including removing the 
name and website from all those footpaths and roads where it doesn't 
really belong.


Cheers,

Andy


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Re: [Talk-GB] Editor backbground layers in iD

2013-10-30 Thread SomeoneElse

Andrew Hain wrote:

Is there a useful distinction between the two 1:25000 layers?


In the area that I was looking at (just south of Kirk Ireton in 
Derbyshire) they appear to be different original maps, and it appears 
that coverage of each layer is slightly different.


On the subject of the other layers, has anyone ever used e.g. 
Bartholomew 1/2 inch as a background layer?


Cheers,

Andy


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Re: [Talk-GB] Editor backbground layers in iD

2013-10-30 Thread SomeoneElse

Rob Nickerson wrote:


2). iD is a general purpose editor. It can be used for 
OpenHistoricalMap too.


Indeed - perhaps I should have been clearer that I'm talking about the 
instance in use on the OSM site used to edit the OSM map, not any other 
instance which presumably could feature any layers that it liked.


So how do we deal with an overload of map layers? I think it's a tool 
issue.


Indeed - and I'm sure that the iD developers would say patches welcome 
at this point!


So to conclude, I wouldn't remove any layers right now. We know that 
the Mapbox layer is likely to improve as they acquire and process more 
data (see their blog), but similarly the old OS layers hosted by OSM 
provide an alternate to the NLS versions (they may use different year 
sheets in some places) and keepping them online will help motivate 
people to scan more historic sheets in. We are thinking of having a 
scanning party here in the West Midlands!


I don't think anyone's suggesting removing them altogether, but it seems 
senseless to me to feature old inaccuate maps in an editor instance 
targeted at new users above GPS traces.


When I select edit in iD on the main site (on a laptop PC with a 
larger than average number of vertical pixels) I don't se any options 
below custom - so I don't see that I can add a GPS layer, and I don't 
see that I can align imagery where it is misplaced, but I am invited to 
use the e.g. Bartholomew 1/2 inch from 189x as a source!


Do you actually use e.g. the Bartholomew 1/2 inch layer as a source for 
updating non-historical information in OSM?


Cheers,

Andy


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Re: [Talk-GB] Editor backbground layers in iD

2013-10-30 Thread Michael Collinson

On 28/10/2013 19:28, SomeoneElse wrote:
series, Mapbox Satellite or Mapquest Open Aerial, and if anyone's 
using NPE, Bartholomew 1/2 inch or OS 1 inch as backgrounds they 
probably shouldn't be using iD to do it (if for no other reason due to 
alignment issues).  Am I maligning these sources and is there actually 
a valid reason why someone might want to trace from, say, NPE when 
more recent better aligned data is now available?


NPE was great in its day, and a big thank you  to all involved in 
providing it, it was a fantastic help in getting a rural map of 
Wharfedale up.


Now, for OSM mapping per se, I never use it. Bing for GPS adjusted 
tracing and the OS 25K layers are almost completely a superset when it 
comes to looking for names, such as farm houses. As posters later in 
this thread point out, there is still some separate value for historic 
use, a number of mineral lines, for example, appear on NPE but not on 
either of the 25K layers due to survey dates. I have no strong views, 
but there may be value in removing it from editing OSM per se.  I really 
wish that person who traced all those streams (me) hadn't because the 
alignment is terrible and a lot of the footpaths are way off even if 
they actually exist now.


Mike


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[Talk-GB] London LOOP

2013-10-30 Thread Derick Rethans
Hey!

I've recently started walking the London LOOP[1]. It's a 24 section 
walking tour around London which seems mostly fully mapped (yay!). 
However, it is mapped as one route which is rather large (245km). I 
wonder whether it would be a good idea to actually split it up in each 
of the sections and use a relation to combine them into the LOOP? Right 
now, it is really not possible to see where each section starts and 
ends. I'm more than happy to do this when I go around - and of course at 
the same time update the route where it has changed.

cheers,
Derick

[1] http://derickrethans.nl/the-loop-part1.html

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[Talk-GB] Vanguard Way

2013-10-30 Thread UrbanRambler1

Hi David,
It looks like the Vanguard Way website uses OS maps, and the ways that 
form part of it in OSM haven't all been surveyed for e.g. surface, gates 
and stiles, and that sort of thing.
I can assure you that I walked every bit of it last year, so I'd be 
surprised if many gates or stiles were missing. The surface of fields I 
leave to others.

Rgds,
Vic

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Re: [Talk-GB] Vanguard Way

2013-10-30 Thread SomeoneElse

UrbanRambler1 wrote:

Hi David,


(it was me that said this, actually)

It looks like the Vanguard Way website uses OS maps, and the ways 
that form part of it in OSM haven't all been surveyed for e.g. 
surface, gates and stiles, and that sort of thing.
I can assure you that I walked every bit of it last year, so I'd be 
surprised if many gates or stiles were missing. The surface of fields 
I leave to others.

Rgds,
Vic


Oops - my apologies.  I just didn't spot any in the section that I very 
quickly looked at west of Hailsham.


Cheers,

Andy


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Re: [Talk-GB] Geological Data

2013-10-30 Thread Michael Collinson
It is an area that interests me too, explicitly surface expression of 
geology, (outcrops and faults mostly) and geomorphology (interesting 
drumlins, meander loops, landslips, ...).


My personal conclusion is that by all means do low-key experimentation 
but that any systematic mapping is better off for all in a separate but 
compatible database a la Open Historical Map ... and a lot easy to 
implement than the historic map.


Like Jerry I still have all my old field books and hand-drawn OS ?1:5000 
overlays.  Do students still do it like that? If so, one thing that 
intrigues me as a project is to set up a system whereby students could 
map digitally into an OSM-friendly system so that progressively all 
those little squares build up a comprehensive outcrop map of all the 
UK.  There is probably all sorts of small stuff here and there buried in 
student assignments that was missed by the pros. Collated together it 
might also provide a seriously useful academic resource.


I already map historic mining activity in northern Yorkshire and Co. 
Durham directly into OSM as it is something that can be systematically 
migrated to another resource when the time comes. Motivated by 
Jonathan's posting, I have just done a knowledge dump [1] .  I would 
greatly welcome other joining me elsewhere the country.  I map from NPE, 
OS25K, Bing imagery and local knowledge.  Bing imagery is fascinating in 
moorland areas.  See [2] for example of a place I have stayed at several 
times completely unaware that the close proximity is riddled with old, 
probably lead, mine shafts.


Mike

[1] 
https://wiki.openstreetmap.org/wiki/WikiProject_United_Kingdom/Historic_Mining_Activity


[2] http://www.openstreetmap.org/#map=19/54.15584/-2.01688 Buckden, 
Wharfedale example of mine shaft identification using Bing imagery.



On 11/10/2013 00:25, SK53 wrote:

I had a very brief chat with someone at SotM touching on this.

I don't think the 1inch:10 mile data is at all useful in OSM: it's too 
generalised and would result in huge awkward to maintain polygons. 
However in many places the field geology is much more detailed and is 
both at a scale compatible with OSM and there is potential for adding 
lots of detail. This is particularly true in the Classic Areas: 
Matlock, Arran, Craven etc. I'm sure I'm not alone in having some old 
field notebooks (including laboriously drawn maps traced from OS  
Geological Survey) with masses of such detail.


Probably the place to start is in finding a way to map classic 
exposures (many will be protected as SSSIs). I know I've added a small 
cliff (quarry) face which is the southernmost exposure of Magnesian 
Limestone, but I don't know if I added any geology related tags at the 
time.


Faults may be another feature suitable for mapping in the short term: 
in the coal measures many of these will be adequately mapped on 
out-of-copyright geology maps (I would think virtually all the 1 inch 
maps ought to be OOC by now).


A related topic is old mines  quarries. There is a substantial 
literature  community interested in the industrial archaeology of 
mining. In many places the impact on the landscape  artefacts are 
still (all too) present. Adding information about the geology 
alongside the archaeology would make mapping much more informative 
(see things like the Manganese mines of Merionethshire 
http://www.davel.f2s.com/hendrecoed/Merioneth-Manganese/ or 
Dolaucothi http://en.wikipedia.org/wiki/Dolaucothi_Gold_Mines).


There are also aspects of geology (and possibly soils) which are of 
interest to naturalists. Apart from broad things like lime-rich soils, 
one often comes across fine detail: the thing which occurs to me are 
gley soils in alluvial deposits. These locations are usually not 
quarried in gravel pits and therefore have their original vegetation.


Enough ideas, if you want to waste a couple of hours the Borehole 
Database on the IGS site is absolutely fascinating!


Jerry



On 10 October 2013 22:32, Jonathan bigfatfro...@gmail.com 
mailto:bigfatfro...@gmail.com wrote:


Hi,

I was wondering whether anybody had discussed importing geological
data into OSM before.  We map surface details about the land cover
and underground use if it's man-made so why not geological data?

The BGS have a load of data at
http://www.bgs.ac.uk/opengeoscience/downloads.html.

So was wondering what people thought about it?

Jonathan

-- 
http://bigfatfrog67.me



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Re: [Talk-GB] Editor backbground layers in iD

2013-10-30 Thread Rob Nickerson
Hi Andy,

I get all of your points on this one, but just as we generally don't go and
remove other peoples custom tags, I think it would be a shame if we remove
available layers. Having historical background layers can attract people to
other projects (Open Historical Map). I've even used historic layers to
apply for new rights of way.

As noted it's a problem with the tool (iD in this instance) and hopefully
any fix will include ability to filter by date. This would be the perfect
solution, as it would be of huge benefit to the Open Historical Map team. I
encourage you to add this to your bug entry.

I'll end by noting that the introduction to OSM on the wiki home page does
not make any distinction between current and historic geographic data:

Welcome to OpenStreetMap, the project that creates and distributes free
geographic data for the world. We started it because most maps you think of
as free actually have legal or technical restrictions on their use, holding
back people from using them in creative, productive, or unexpected ways.

Best wishes,
Rob
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Re: [Talk-GB] Editor backbground layers in iD

2013-10-30 Thread Paul Norman
 From: SomeoneElse [mailto:li...@mail.atownsend.org.uk]
 Subject: Re: [Talk-GB] Editor backbground layers in iD
 
 Rob Nickerson wrote:
 
  2). iD is a general purpose editor. It can be used for
  OpenHistoricalMap too.
 
 Indeed - perhaps I should have been clearer that I'm talking about the
 instance in use on the OSM site used to edit the OSM map, not any other
 instance which presumably could feature any layers that it liked.

It's worth pointing out that iD doesn't actually have an imagery list. It
inherits its from the editor-imagery-index project at 
http://osmlab.github.io/editor-imagery-index/, which is for OpenStreetMap
editing, not historical mapping or a general list of all possible imagery.

  So how do we deal with an overload of map layers? I think it's a tool
  issue.
 
 Indeed - and I'm sure that the iD developers would say patches welcome
 at this point!

Dealing with it from a UI perspective is difficult, and I get the 
impression that's the main issue, not the coding once the UI is figured 
out. 


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Re: [Talk-GB] Editor backbground layers in iD

2013-10-30 Thread Rob Nickerson
Dealing with it from a UI perspective is difficult, and I get the
impression that's the main issue, not the coding once the UI is figured
out.

I'm not a UI designer, but I'll have a go at sketching a few ideas over the
next 7 days. It would be a shame to drop background layers where they are
useful for wider geographical data (be that in historical mapping, or
picking up names of land features that may have been forgotten over the
course of time) and have acted as a good way for us to build up a wider
community.

Regards,
Rob

p.s. I cannot hep with the coding as that is way beyond my limited skills.
I am however happy to add any additional tags to the background layer .json
files on the github page you linked to.
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