[OSM-talk] Zero tolerance on imports

Andrew Errington a.errington at lancaster.ac.uk
Sun Feb 20 01:48:33 GMT 2011

On Sun, 20 Feb 2011 10:16:10 Mike N wrote:
> On 2/19/2011 8:04 PM, Andrew Errington wrote:
>   Imports aren't always bad.  Consider the equivalent case of one or
> more mappers who worked heavily in your area 2 years ago.  You might
> discover errors and lack of new roads and come to the same conclusion.

That case is not equivalent because it's hypothetical.  My observation is 

Anyway, I like the idea of using imports as a 'scaffold' for building real 
objects.  Imported data could sit on a separate layer, much like GPS traces, 
then a mapper can either trace over the imported shapes, or select an 
imported object and 'promote' it to become a real object (then join it up to 
existing objects), or select an imported object and delete it, either because 
it already exists, or it's wrong, or it has served its purpose for tracing.  
Over time the import layer will fade away once all of its objects have been 

Best wishes,


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