[Tagging] State parks and state forests: specific tagging question, general mapping philosophy

Andy Townsend ajt1047 at gmail.com
Wed Jul 27 09:52:08 UTC 2016

On 27/07/2016 03:59, Kevin Kenny wrote:
> How many more years must I wait, then, before they will become visible 
> on any of the tile layers on openstreetmap.org 
> <http://openstreetmap.org>? If it hadn't been a couple or three years 
> already, I'd be more patient. A New Yorker would find it astonishing 
> not to see the Adirondack Park, which occupies about a sixth of the 
> land area of the state, but if it were not mistagged 'national park' 
> there would be nothing to trigger its rendering. The smaller state 
> parks, state forests, and similar reserves likewise would likewise 
> have no attributes visible to the renderer.

What exactly are you waiting for?  the magic map fairies to read the 
tagging list and think "hmm - request for a new rendering of US Parks, 
must set some time aside for that" :-)

It'd be nice to be able to customise the tile layers easily on osm.org, 
but the only reason that it isn't is that no one has sat down and 
written the code yet.  However, it is possible to use other tile layers 
with a bit of browser trickery: 
.  If you're not in a position to submit changes to osm.org yourself 
(and I'm certainly not) you could perhaps try bribing potential 
developers with donations, charitable or otherwise :)

With regard to "what gets rendered at what scale" I'd agree that there 
is an issue with the styles on osm.org when showing "outdoor" features.  
The cycle map does probably the best job around e.g. 
http://www.openstreetmap.org/#map=13/36.4749/-121.2047 (just to pick 
somewhere I'm familiar with and is fairly path-complete) but it's not 
ideal.  Again, however, the reason why a style suited to outdoor areas 
especially in the US hasn't appeared is that no-one has yet created one.

However, it's really not _that_ difficult to tweak a version of OSM's 
standard map style (or another one) to both display existing features 
slightly differently and to display new features.

An example of the latter is in a lua script that I use for a local OSM 
style here:


An example of "changing the zoom level at which something appears" is at:


If you can count brackets and change numbers to higher or lower values, 
you're mostly there!

Someone did ask over at the issue list for the standard style "how do I 
create a map style"


whilst the question wasn't really ontopic there, the answer I gave 
applies here too I think.



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