[Talk-GB] London Mapping Marathons

Tom Chance tom at acrewoods.net
Thu Apr 15 17:52:55 BST 2010


On 15 April 2010 17:48, Ed Loach <ed at loach.me.uk> wrote:

> Tim asked:
>
> > if there were buildings in the OSM map,
> > and they
> > were split into their individual shop, what's the best way to
> > tag it as a
> > shop/café/restaurant etc?
> >
> <snip>
> >
> > Anyone got any input?
>
> Not on the same scale as Oxford Street, but how about the row of
> shops here?
>
> http://osm.org/go/0EHnC7KvL--
>
> Mapnik doesn't seem to recognise the dentist at 91 or the laundrette
> at 99, but adds the icons for the other properties in preference to
> their addr:housenumber
>
> Before I traced the building outline, each was a POI. After adding
> the building I just copied the tags from the poi to the relevant
> shop unit and deleted the poi.
>
>
I've been taking the same approach and have noticed the same inconsistency
in most renders. Some buildings *will* show up the POI icon, others won't.
Some POI nodes with address info seem to prioritise the address, some the
amenity/etc. type.

Surely it makes sense to keep all information about on physical feature in
one node/way/area rather than having several proximate entities referring to
the same thing?

The old rule of "don't map for the renderer" must apply to inconsistent
rendering of POIs.

Tom


-- 
http://tom.acrewoods.net   http://twitter.com/tom_chance
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