[Talk-GB] Visualising speed limits

[Emilie Laffray]

On 1 November 2010 17:57, Andy Allan <gravitystorm at gmail.com> wrote:

> On Fri, Oct 29, 2010 at 9:52 PM, Colin Smale <colin.smale at xs4all.nl>
> wrote:
> > On 29/10/2010 22:22, thomas van der veen wrote:
>
> > You might like to take note that nothing is implicit in OSM. There are no
> > "defaults" as renderers or other consumers of the map data are
> unconstrained
> > as to how they handle missing tags. Ideally all roads should have
> maxspeed
> > explicitly tagged, even if it could be implied from the road class or
> other
> > information.
>
> I disagree quite strongly on this. I see little point in pointlessly
> adding tags when they there is a sensible default. For example, we
> don't need to tag 98% of roads as "oneway=no", and in the same way we
> don't need to tag 98% of UK residential roads as "maxspeed=30mph".
>
> Life's too short for that kind of tedium. That's why we (actually do)
> have implicit information in OSM.
>
>
+1

Emily Laffray
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