[Tagging] RENDER

[Marc Gemis]

Try this query http://overpass-turbo.eu/s/4Fc
Blue for miniature golf, red for dog parks. (only nodes and areas)

regards

m


On Wed, Aug 20, 2014 at 3:51 PM, Marc Gemis <marc.gemis at gmail.com> wrote:

> With overpass you can find all objects that have certain tags, e.g.
> http://overpass-turbo.eu/s/4F2 finds all administrative boundaries
> without wikidata tag.
> By default Overpass Turbo renders those areas in yellow with a blue border.
>
> I have not experimented with overpass + mapcss, but
> http://wiki.openstreetmap.org/wiki/Overpass_turbo/MapCSS should give an
> idea of the possibilities.
> When the UI of Overpass Turbo would be adapted I can imaging that
> everybody can write a query that retrieves the needed objects and color
> them in any way they want.
>
> Of course it is not integrated into the main map, but might help people
> that are mapping rare or items that are not rendered by the default mapnik
> to see their data come alive.
>
> I used it for heritage=4 objects, missing lane tags, missing postal code
> boundaries and now for missing wikidata tags. None of those tags are
> "quickly" available on the maps I know. E.g. I don't want to wait 3-4 days
> before ITO updates their missing lane map.
> But I always use the "standard" Overpass rendering.
>
> One might define a library (a webpage with a lot of links) of those
> overpass queries where people can click on and see e.g.  whether the
> miniature golf (of whatever) they want, was added to the database.
>
>
>
> IMHO the problems that some people have with your approach is that you
> might write:
>
> *l*anduse=boat_storage  sport=kayak   render=darkblue
>
> and I will write
>
> landuse=boat_storage  sport=kayak   render=green for another instance
> and
> leisure=miniature_golf   render=darkblue
>
> so is darkblue a boat_storage or a miniature golf ?
> so in the end, the same thing might be rendered in different colours all
> over the world and you would never recognize all the kayak boat storages by
> looking at the colour.
>
> when you have control over the complete rendering (as in my proposal), you
> define the colour for boat_storage, all over the world. This is some poor
> mans version of defining a complete mapcss for mapnik
>
> regards
>
> m
>
>
> On Wed, Aug 20, 2014 at 2:33 PM, André Pirard <A.Pirard.Papou at gmail.com>
> wrote:
>
>>  On 2014-08-15 16:12, André Pirard wrote :
>>
>> Hi,
>>
>> It's a well known fact that many people complain to tag in vain because
>> what they tag doesn't show on the map (e.g. mini-golf vs tennis pitch),
>> because they're told to open a rendering ticket which replies that only
>> official tags are supported, and because they open a vote for an official
>> tag and nobody signs.
>> As a result they are accused of "tagging for the renderer" instead of
>> "being forced to tag for the renderer".
>>
>> The solution is simple however.  A RENDER tag that, typically, would
>> assign a color to an area.
>> I'll let the rendering specialists define what else it can do.
>> ⚠ ⚠ ⚠ RENDER only requests *by default* rendering.
>> As soon as rendering is defined for an element, it is used instead and
>> RENDER is normally ignored.
>>
>> I summarize the answers below.
>> An example for using RENDER is this:
>>
>> * landuse=recreation_ground* a sort of holiday/family event site inside
>> which you have
>> a quite visible   *leisure=pitch  sport=tennis*
>> and two perfectly invisible polygon features (official tags or so), hence
>> to which we add RENDER:
>> *leisure=miniature_golf*   render=coral
>> *landuse=boat_storage  sport=kayak*   render=darkblue
>>
>> As usual, every other reply I received disparaged this suggestion without
>> proposing the slightest alternative, for example only force drawing the
>> outline without color (that would do if a name can be inside).
>>
>> Hence, the general consensus is either to tag for the renderer or not to
>> tag such touristic POIs at all.
>> It's strange to have to campaign for tagging !!!
>>
>> Except Marc who suggests:
>> On 2014-08-15 18:58, Marc Gemis wrote :
>>
>> maybe it should be even easier for people to play with overpass turbo and
>> css. then you get the same effect
>>
>> Interesting, Marc.
>> Could you please elaborate, explain how to use overpass and css and show
>> the resulting tagging for example for the above case?
>>
>>   André.
>>
>>
>> _______________________________________________
>> Tagging mailing list
>> Tagging at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/tagging
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tagging/attachments/20140820/038431e7/attachment-0001.html>