[Talk-ca] [OSM-talk] uStream .tv broadcast 2pm PST 5pm EST - geobase import

Greg Troxel gdt at ir.bbn.com
Mon Jan 26 14:07:30 GMT 2009


Russ Nelson <russ at cloudmade.com> writes:

> On Jan 25, 2009, at 7:17 AM, Greg Troxel wrote:
>>  So I think this is really 3-way merge
>> process, and there needs to be something that looks at each item in  
>> the
>> new dump, finds any previous import, and checks if it has been  
>> modified.
> Bulk imports should always be done under a user dedicated for that one  
> purpose.  Bulk re-imports should only replace data if it still belongs  

That's a good notion, but it doesn't seem to be true for the MassGIS
data.

> to the dedicated user.  If somebody has edited it, then it belongs to  
> them now, and won't be touched.  Then, we should rely on maplint to  

I should set up JOSM, but potlatch doesn't seem to show the last writer.
Perhaps it should.

> look at the tags, and mark data which has duplicate import tags  
> (presuming that the user who edited it didn't delete the import  
> tags).  Otherwise, the problem devolves to duplicate data entry, which  
> is a problem we need to solve regardless (e.g. Poughkeepsie, NY got  
> mapped, and then overlaid by the TIGER import).

Sure, but I think subsequent imports of upstream sources is a simpler
problem.
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