[Talk-us] Highway Tagging Consensus to Improve OSM (and address some of 41 latitude's concerns)

Nathan Edgars II neroute2 at gmail.com
Tue Oct 26 16:50:03 BST 2010

On Tue, Oct 26, 2010 at 11:46 AM, Alex Mauer <hawke at hawkesnest.net> wrote:
> On 10/26/2010 09:11 AM, Nathan Edgars II wrote:
>>> Attached are the bitmaps of the shield that is "poorly-designed for
>>> display in a limited number of pixels."  The first one is 39x39 pixels,
>>> and the second is 20x20 pixels.  Both are quite readable.
>> It's actually 17x17 that you want:
>> http://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Colorado_7.svg/17px-Colorado_7.svg.png
> Where does this number come from?

The actual size of a circular 7 shield generated by Mapnik.
> Is it not possible to render an icon at any size we want?  Yes, if it’s too
> big it will not work on the map, but I think 20×20 is quite reasonable (and
> readable).

It's a tradeoff where bigger shields reduce the space for other features.

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