[Tagging] Stop the large feature madness (was: Tag for a plateau or tableland?)

Mateusz Konieczny matkoniecz at tutanota.com
Fri Apr 19 10:25:49 UTC 2019




Apr 19, 2019, 1:59 AM by graemefitz1 at gmail.com:

>
>
> On Fri, 19 Apr 2019 at 07:26, Christoph Hormann <> osm at imagico.de <mailto:osm at imagico.de>> > wrote:
>
>> On Thursday 18 April 2019, Kevin Kenny wrote:
>>  > > And how do you verifiably determine if two things are part of the
>>  > > same physical object? 
>>
>>  But as already hinted i am not sure if the Drake Passage is something i 
>>  would consider mappable in OSM based on local knowledge. 
>>
>
> But, without wishing to sound facetious, how do we then have coastlines for Eurasia, Greenland & Antarctica mapped?
>
> Nobody>  has "local knowledge" of the full coastline of any of them, & for Greenland & Antarctica, what is mapped - the ice cap, which is constantly moving, or the deep underlying rock? Should we erase them off the map as they're not "verifiable"?
>
Coastline can be mapped in fragments and every single part of coastline is locally verifiable.

It is not true for objects like oceans, mountain ranges, continents etc.

You can go to a beach and check whatever land is on one side and water on other and check
shape of a coastline.

It is impossible to do it with border between oceans.
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