OSM could use as Michał suggested Wiki{pedia|data} tags. There is also /wikimedia_commons/ [1] tag and geographical coordinates from Wikipedia articles themselves easily available via MediaWIki API.

I wrote a web-application which displays either Wikipedia articles on the map, or OSM Wiki{pedia|data|/media_commons/} tags as clickable markers with a link to a respective article, category, file, wikidata entry: http://ausleuchtung.ch/geo_wiki/ . It works for all language versions of Wikipedia.

Certainly if used on the main OSM map this data should be cashed. Edifices which have a Wikipedia article could be shown in a distinctive color too and have a small clickable icon with the letter "w" inside leading to a respective article, category, file, wikidata entry.

I would be even better than Google Maps as in Wikimedia categories and articles we can publish nowadays also HD videos of a building with aerial footage, so that one can see a building on the OSM map and then as if fly around it to view better [2].

[1] http://wiki.openstreetmap.org/wiki/Key:wikimedia_commons
[2] https://en.wikipedia.org/wiki/Nyon_Castle (select HD resolution 1080P in player)

brgds
O.M.

On 08.08.2016 15:19, Janko Mihelić wrote:
I'm guessing Google is not only using POIs, but several other sources, like geo Tweets, got tagged photos put up on Google+, and so on. I think they are trying to make it easy for tourists to find the "in" spots where something is happening. If you're trying to find a nice restaurant, night club, pub or something like that, zoom in to the yellow area.

Janko

pon, 8. kol 2016. u 12:39 Oleksiy Muzalyev <oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> napisao je:

    Using colors like this is an excellent idea, however we shall not rely
    on colors alone as several percent of people cannot distinguish colors
    due to color blindness [1]. Besides, color blindness may develop
    with an
    advanced age, so no one is color-safe.

    We do not hear often about color blindness as people tend not to speak
    about it. But in fact maybe up to ten percent cannot see differences
    between certain colors at all.

    [1] https://en.wikipedia.org/wiki/Color_blindness

    brgds
    O.M.

    On 07.08.2016 1:43, Michał Brzozowski wrote:
    > There has been an update to Google Maps styling [1] and I have
    to say,
    > they left me impressed.
    > The overall look is cleaner, which is very welcome after a series of
    > disappointing changes, but the thing I consider very innovative
    is how
    > buildings (and on lower zooms - areas) with lots of "activities"
    (i.e.
    > POIs) are highlighted in beige.
    >
    > Now, traditional topo maps use building type attribute for this, eg.
    > Polish ones use dark brown for public/retail buildings, orange for
    > residential, violet for industrial and gray for everything else.
    > Our (and I presume Google's no better) building type tagging is
    pretty
    > sparse, so this is a no-go.
    >
    > I wonder whether somebody could cook up a proof of concept of
    this for
    > OSM styling to see how it would work out. One may play with
    assigning
    > different weights to POIs according to their type or perceived
    > importance via Wiki{pedia|data} tags.
    >
    > Michał
    >
    > [1]
    
https://maps.googleblog.com/2016/07/discover-action-around-you-with-updated.html
    >
    > _______________________________________________
    > talk mailing list
    > talk@openstreetmap.org <mailto:talk@openstreetmap.org>
    > https://lists.openstreetmap.org/listinfo/talk



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