[OSM-talk] [Osmf-talk] Attribution guideline status update

[Yves]

How about:
You display OSM data, you attribute, and you attribute on the map view.

If that's what we want, I would be OK for a short attribution like (c)OSM&co. 

Yves 

Le 8 septembre 2019 19:39:55 GMT+02:00, Christoph Hormann <osm at imagico.de> a écrit :
>On Sunday 08 September 2019, Simon Poole wrote:
>>
>> /If OpenStreetMap is not the largest data provider for the visible
>> map rendering, attribution with other sources on a separate page that
>> is visible after user interaction is acceptable./
>>
>> [...]
>
>For understanding the practical function of such a rule (and the
>efforts 
>necessary to circumvent it of course) - how do you measure the fraction
>
>OSM accounts for as data provider for a map, especially if several 
>different data types are involved.  If you go by data volume (which can
>
>be easily changed by several orders of magnitude through geometry 
>compression and expansion methods of course) i would probably say i 
>have never seen a map with relief depiction (like shading or countour 
>lines) where the majority of the data is from OSM.  Any satellite image
>
>layer with annotation labels and lines (boundaries, roads etc.) from 
>OSM would equally be exempt from visible attribution under such rule.
>
>Practically i think everyone should be aware that such rule is a clear 
>invitation how to avoid the need for attribution for map producers.  I 
>would go as far as saying that no matter how you answer my question as 
>to how data fractions are measured any map could be easily modified by 
>adding sufficient other data to get the OSM fraction below the 50 
>percent limit and this way get off the hook.
>
>As already said i don't see how such a recommendation could in any way 
>be considered compatible with the ODbL attribution requirements.
>
>-- 
>Christoph Hormann
>http://www.imagico.de/
>
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