[Talk-GB] The OSM UK map

Nick Whitelegg nick.whitelegg at solent.ac.uk
Tue Oct 31 08:51:50 UTC 2017

Thanks for all the suggestions, and Andy - thanks for the hosting info.

To answer the questions that came up:

- contours should be easy, yes as I already have a DB containing them. It's just a case of using them with the current version of Mapnik; I've added contours with Mapnik before but a good number of years ago now.

- The carto style is indeed a fork of the original OSM carto style, forked by Andy some time ago (I believe before the road colour scheme was altered); it's now been further forked for the OSM UK project.



From: Andy Townsend <ajt1047 at gmail.com>
Sent: 30 October 2017 17:34:11
To: talk-gb at openstreetmap.org
Subject: Re: [Talk-GB] The OSM UK map

On 30/10/2017 08:58, Nick Whitelegg wrote:

As you may know, the plan is to produce a UK specific OSM mapping site. A start on this has been made here:


using a fork of SomeoneElse (Andy)'s cartography with one very minor tweak so far, namely footpaths and bridleways are rendered in a style similar to Landranger maps.

Glad to be of service :)

There are a couple of other tweaks you'd probably want to do:

o One is to reinstate cycleways as "a thing".  In order to free up a colour to use for public bridleways I used blue for that and just rendered cycleways like other paths (coloured according to designation, dashed for wide and dotted for narrow).  Green's a problem because so much on an OSM map is different shades of grreen.  That's fine for me (I'm not a cyclist) but something a bit more inclusive would probably include cycleways.  Not sure what colour you'd want to go for though - if you want to go more for OS-style colours you'd have a lot less colour on the map than most OSM-based ones (styles designed as an "underlay" like Mapbox Streets aside).

o Another is railways - I'm guessing you'd want to remove the rendering of dismantled railways, and also possibly abandoned ones, but I'd suggest keeping proposed ones so that people can see where HS2 is going(!) (as an example, https://map.atownsend.org.uk/maps/map/map.html#zoom=15&lat=53.11419&lon=-1.31171 shows all three types).

o If you want to do "Welsh Language first in Wales" as described in http://www.openstreetmap.org/user/SomeoneElse/diary/42069 I can make the load scripts available for that.  It's pretty much what's in the diary entry but is a runnable script.

In terms of server space, we did have a server available to us for development purposes (provided by Birmingham in Real Time) however this will be unavailable for a month or two; however our contact there is going to recommend some cheap hosting options.

For info, the map.atownsend.org.uk site (which covers the UK and Ireland) currently fits nicely on a 4Gb memory / 100Gb SSD disk server at Hetzner; at <£15 per month you could probably short-term fund it with a whip-round in a pub.  I'm sure that the other competing options - OVH et al - are similar; for the size of server I wanted for the UK Hetzner made sense for me at the beginning of the year; slightly larger or smaller on any spec parameter and something else might have been better.

Best Regards,


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