[OSM-talk] A warning about gates and other barriers

Peter Wendorff wendorff at uni-paderborn.de
Sun Sep 19 16:50:35 BST 2010


  On 19.09.2010 17:41, M∡rtin Koppenhoefer wrote:
> 2010/9/19 Anthony<osm at inbox.org>:
>> On Sun, Sep 19, 2010 at 10:33 AM, Richard Fairhurst
>> <richard at systemed.net>  wrote:
>>> barrier=gate states that there's a gate.
>> Doesn't it also state that there's a barrier?
> well, the simple key "barrier" doesn't actually state that there is a
> barrier but that there is something "barrier-related". Barrier also
> contains values like gate, entrance which are indicating _openings_ in
> barriers.
additionally most barriers have to be interpreted different for 
different use cases:
A cycle barrier is no barrier for pedestrians, but for cyclists and car 
drivers.
A bollard is a barrier for cars, but not for pedestrians and cyclists.

A gate can be different - and therefore it should be tagged explicit 
using the access-tags.

The barrier-tag in general should not be interpreted equal regardless of 
the value.

Peter



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