[OSM-talk] OSM needs a measure for completeness

[graham]

80n wrote:

> 
> In a sense I'm already doing this.  The very last thing I do when I've
> completed an area is to add landuse=residential (only where appropriate,
> of course).  I could easily add complete=level-n to this landuse boundary.
> 

Surely completeness is relative to purpose? I have areas where all roads
between settlements are filled in but not the settlements, other urban
areas where all roads are filled in and named, others where all roads
and footpaths are complete. I haven't yet done any areas which have
complete traffic lights, pedestrian crossings, turn restrictions, bus
routes, administrative boundaries, or navigational information for
waterways. The possible purposes are pretty orthogonal - rather than a
set of numbered completeness, you'd need to allow multiple
'complete_for=purpose' tags. And if you attach that to landuse
boundaries, what do you do in large urban areas where it's all residential?

Graham

> 80n
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>     Chris
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