Re: [Tagging] Barrier defaults

2019-09-26 Thread Florian Lohoff
On Thu, Sep 26, 2019 at 10:35:45AM +0200, Martin Koppenhoefer wrote:
> explicit access tagging for barriers is generally preferable because
> it reduces the uncertainty.
> 
> Still if there is a barrier and no access tags are set you will have
> to figure out how to deal with it. 
> 
> For bollards I agree it is likely that pedestrians can pass. For other
> barriers like gates or even ropes/chains, it will not be possible
> without access tags to understand when you can pass, even as a
> pedestrian.

I dont like rules with too many exceptions - thats the point. I agree
that bollards are a little obvious as a pedestrian will most likely 
be able to pass.

But for the sake of simplicity i would rather call for only
explicit tagging so people can process barriers whatever they are
called - No if/then/else/otherwise/maybe spaghetti in all data
consumers.

Flo
-- 
Florian Lohoff f...@zz.de
UTF-8 Test: The  ran after a , but the  ran away


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Re: [Tagging] Barrier defaults

2019-09-26 Thread Martin Koppenhoefer


sent from a phone

> On 26. Sep 2019, at 10:01, Florian Lohoff  wrote:
> 
> Now i discovery the contrary. Every data consumer has to make
> a long list of every barrier possible and the default settings.
> 
> Does that make sense?


explicit access tagging for barriers is generally preferable because it reduces 
the uncertainty.

Still if there is a barrier and no access tags are set you will have to figure 
out how to deal with it. 

For bollards I agree it is likely that pedestrians can pass. For other barriers 
like gates or even ropes/chains, it will not be possible without access tags to 
understand when you can pass, even as a pedestrian.

Cheers Martin 
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[Tagging] Barrier defaults

2019-09-26 Thread Florian Lohoff

Hi,
i stumbled upon a statement in

https://wiki.openstreetmap.org/wiki/DE:Key:barrier

that barrier=bollard has implicit foot=yes bicycle=yes on it. I have
been mapping only explicit restrictions for 10 years and the English
page (where the German should be a translation from) does not
mention this specifically.

https://wiki.openstreetmap.org/wiki/Key:barrier

The Page

https://wiki.openstreetmap.org/wiki/Tag:barrier%3Dbollard

mentions this though.

I was under the impression that data consumers may ignore the
value for the barrier key as the access restrictions will alway
be explicit. 

Now i discovery the contrary. Every data consumer has to make
a long list of every barrier possible and the default settings.

Does that make sense?

Flo
-- 
Florian Lohoff f...@zz.de
UTF-8 Test: The  ran after a , but the  ran away


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