On 11/09/2016 15:24, Daniel Koć wrote:
W dniu 11.09.2016 15:48, Dave F napisał(a):
On 10/09/2016 12:43, Daniel Koć wrote:
BTW: There's also another interesting and quite established tag -
highway=corridor, which I've found lately:
http://wiki.openstreetmap.org/wiki/Tag:highway%3Dcorridor
Oh Great Scott.
It doesn't tell anyone who can travel along it. It's useless. All
descriptions of a highway should be in secondary tags.
For me that's what the access=* tag is for.
Well, OK. 'Classification' then (which gives indications to who can use it).
We have dozen primary types and subtypes (_link) of roads defined and
all the pedestrian squeezed into just 3 general types with no clear
distinction - I think this is not healthy to treat them as a second
class citizens any longer.
How are they second class?
On standard style (osm-carto) you have all the colors to know the road
class just by looking at it, while we have still no clue when the path
should be rendered earlier (outdoor) or later (indoor) than standard,
and this would be very useful, even if still using just one color.
This is where secondary tags become useful. If renderers wants to show,
for instance, all paths in one style, they easily can by filtering just
highway=footway* If they want to differentiate different surfaces*,
access restrictions etc, they can do that by referring to secondary tags.
* On a suggestion by Richard Fairhurst the OSM carto now emphasises a
footway if it has a surface=" sub-tag
Dave F.
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