[Tagging] tagging very wide steps - highway=steps on an area?

fly lowflight66 at googlemail.com
Fri Feb 27 15:36:32 UTC 2015


Am 27.02.2015 um 16:16 schrieb Martin Koppenhoefer:
> 2015-02-27 14:24 GMT+01:00 fly <lowflight66 at googlemail.com>:
> 
>> Though, I am not sure how to model steps with fading steps to one or
>> both sides and several upper or lower
> 
> I am not sure if I understand "fading steps" correctly. Usually I'd say
> that the single step is there as long as there is any kind of riser (in
> German the term is "Steigung", see http://www.vbg.de/apl/zh/z113/8.gif for
> reference). I imagine you intend with "fading" that the riser will get
> smaller along the single step until it reaches zero. That zero point is the
> end of the stairs and if these ends of the single steps of one stair are
> not in a line you'll have to model also a "lateral" way (typically they are
> in line).

Well have a look:
https://upload.wikimedia.org/wikipedia/commons/9/9b/Augustinerplatz_%28Freiburg_im_Breisgau%29_5340.jpg
http://ais.badische-zeitung.de/piece/02/88/16/82/42473090.jpg

> I think the easiest way to represent several upper and lower is to model
> several stairs, one for each upper+lower combo. This can happen for example
> when there are blocks in the middle of the stairs.

Do I really need one relation for every step ?

> Here is a reference picture of one of the most famous stairs outdoors:
> http://de.wikipedia.org/wiki/Liste_bekannter_Treppen#mediaviewer/File:Spanische-Treppe.jpg
> To model the lower main part (between the lateral walls and until the 2
> dominant street lights) you'll need 9 relations: 3 times (left, middle,
> right) 3 parts of stairs (the former divided by 2 landings). I suggest to
> model the landings as highway=pedestrian, area=yes.

Well, go for it.

Cheers fly



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