[Tagging] Sorting waterway relations?

Colin Smale colin.smale at xs4all.nl
Thu Feb 27 09:29:38 UTC 2020


On 2020-02-27 10:04, Mateusz Konieczny via Tagging wrote:

> 27 Feb 2020, 09:55 by colin.smale at xs4all.nl: 
> 
>> If it was semantically important, we should be scanning for and flagging up waterways with out-of-order ways.The fact that we are not, shows that the ordering of the ways is not essential for a correct geometrical interpretation....QED
> 
> This proof assumes that OSM validators 
> are completed and detecting all possible 
> semantic issues. 
> 
> This is not true, just look at 
> JOSM/osmose/iD issue tracker, every 
> one has plenty of open issues suggesting 
> new validator checks.

I'm sure there are thousands of ideas for validators. But this one has
apparently never been thought important enough - if it is indeed buried
in the issue trackers somewhere. Anyway, the validators should ideally
follow the agreed rules, not create them. 

>> it is possible that re-ordering the members of one relation, causes the members of another relation to become out-of-order.
> 
> Why reordering members in one relation would 
> reorder members of other relation?

You are right, I retract this statement. Sorry, I hadn't thought it
through and was thinking of the order of the nodes in a way.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tagging/attachments/20200227/e6a78eae/attachment-0001.htm>


More information about the Tagging mailing list