[Tagging] Key:visibility

Paul Desgranges paul.desgranges at gmail.com
Mon Nov 28 19:50:26 UTC 2016

I just wanted to extend the meaning of 'visibility' so that it does not 
match only the 'clocks' but more things and for example 'advertising' 

As a matter of fact, I find as well that "house"/"street"/"area" are not 
very well understandable values for "visibility", but its was the 
existing values, and I did n't want to change them, maybe just precise 
their scope.

I think we should remove the distance in meters, because 5m, 20m, or any 
other distances won't fit to all needs. It is more to get the average 
scope, rather than an exact distance.

Visibility and readability are not the same, things are first visible, 
then when you get closer same things become readable. But as tag is 
called 'visibility' we should only speak about visibility and forget 
about readability here.

Then I make another proposal

*visibility=** is used for publicly visible devices or features to 
evaluate the scope of their visibility

-visibility=house : visible from the distance of one house (or 
building), the device is targeted mostly for pedestrians, or bikers
-visibility=street : visible from the  distance of one street, the 
device is targeted up to passers-by into vehicles going slowly
-visibility=area : visible from all the area, the device is targeted up 
to passers-by into vehicles going fast

If somebody wants to make a better wordings, I would be glad

Thank you

On 28/11/2016 14:37, Martin Koppenhoefer wrote:
> sent from a phone
> Il giorno 28 nov 2016, alle ore 12:40, Colin Smale 
> <colin.smale at xs4all.nl <mailto:colin.smale at xs4all.nl>> ha scritto:
>> Do you mean visibility, or would legibility be better here? Maybe I 
>> can see a clock from 100m away, but it is not actually useful until 
>> it becomes legible at 20m.
>> You use the word "readable" (=legible) yourself.
> +1 for text, less pertinent for things like an inflatable sculpture or 
> similar, also the values seem off from what I'd expect by reading 
> their names.
> "house" doesn't seem to be a good name in general, as it refers to a 
> residential building, the least place where I'd expect advertisements 
> to be mapped. I'd call it "indoor" or "building" and would expect it 
> to mean something like 20m. 5 m is really nothing. Similarly, 20m is 
> very few for the "street" scope, I'd expect this to be something like 
> 50-150m, while area could be up to one or a few kilometers (if placed 
> on a high building, and e.g. illuminated or light emitting at night ).
> cheers,
> Martin
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