[OSM-newbies] building=yes on highway=pedestrian does not render?

Andy Allan gravitystorm at gmail.com
Tue Jun 15 16:19:18 BST 2010


Because that observation is inaccurate and perhaps misleading. There's
more on the topic at

http://wiki.openstreetmap.org/wiki/Don%27t_tag_for_the_renderer

Let me rephrase it like this:
"Sometimes you have to choose between multiple different *correct*
ways of tagging, and One is entitled to make one's decision based on
whichever has widest acceptance."

Opencyclemap, for example, supports (at least) three different ways of
tagging cycle routes, some of which pre-date the invention of
relations. It's a perfectly legitimate discussion to have to help
decide which method you want to use, based on whether it has support
in other renderers too e.g. mkgmap.

Cheers,
Andy

On Tue, Jun 15, 2010 at 2:30 PM, James Ewen <ve6srv at gmail.com> wrote:
> How come no one has made the observation that "One should never tag
> for the renderers"?
>
> Tag it as it exists, and away you go.
>
> James
> VE6SRV
>
> On 6/15/10, Andy Allan <gravitystorm at gmail.com> wrote:
>> On Mon, Jun 14, 2010 at 11:10 PM, Richard Weait <richard at weait.com> wrote:
>>
>>> With your Eiffel Tower example, three different renderers are instructive.
>>>
>>> Cyclemap:
>>> http://www.openstreetmap.org/?lat=48.85842&lon=2.29402&zoom=17&layers=00B0FTF
>>>
>>> Cyclemap appears not to render pedestrian areas. The
>>> highway=pedestrian, area=yes appears only as an outline.  It appears
>>> that Cyclemap draws highway=pedestrian after buildings, so the
>>> pedestrian ways are shown on top of the tower.
>>
>> The opencyclemap handling of multipolygons is known to be broken, so
>> I'd advise caution on examining the output there. Similar problems
>> exist with pedestrian areas. I'm working on both these issues during
>> setup of the new server.
>>
>>> It also appears that the Eiffel Tower was seen by the SRTM mission, as
>>> there are elevation contours around the tower.  Neat.
>>
>> Most large buildings have a contour around them on SRTM :-) Now as to
>> whether you consider that a feature...
>>
>> Cheers,
>> Andy
>>
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