[OSM-dev] A PostgreSQL extension for real-time simplification of objects in OSM API database

[Jukka Rahkonen]

Martin Koppenhoefer wrote 2016-11-17 14:39:
> 2016-11-17 11:08 GMT+01:00 Rory McCann <rory at technomancy.org>:
> 
>> But... isn't there a danger that the mapper will load this
>> simplified/reduced object in JOSM (etc), change the tags, then press
>> upload? And then upload the simplified/reduced geometry? Which will
>> make
>> the OSM data worse?
> 
> there would have to be precautions, the editors supporting reduced
> data download would have to take care that only unreduced data can be
> edited and uploaded. Maybe the API-server restituting different ids
> for reduced data could help here as well, so even if the data consumer
> / editor doesn't implement a special rule and someone tried to upload
> simplefied data it would not overwrite the un-simplified OSM elements
> or could be rejected.

There can be a need to make the features which are edited to match with 
other existing features. If those other features are reduced ones the 
result may not be what was expected. It may be hard to make this system 
reliable.

-Jukka Rahkonen-