[Imports] Bulk Upload of full country data

Emilie Laffray emilie.laffray at gmail.com
Wed Aug 12 13:05:18 BST 2009

2009/8/12 Jaak Laineste <jaak at nutiteq.com>

>  Depends also on how good your existing coverage, if it is much worse than
> new, and with poor tagging, then you could just also do delete and replace,
> but discuss and agree it with existing contributors beforehand.
>  If you have a lot of existing valuable stuff then I would download current
> data as shapefiles (can get easily from cloudmade.com or geofabrik.de),
> remove existing valuable overlapping data from the new dataset, convert new
> data to OSM, tag and upload it carefully. "Spatial diff" is the tricky part
> here, you need to know and maybe also script GIS tools to do it. Or can
> anyone suggest good tools for it?
>  I actually need this "diff" tool too: I have already imported a detailed
> city dataset (contributed by city government), and now, some 6 months
> later,
> I got update with a lot of extra streets; but earlier streets were already
> extra tagged (one-way etc) which should not be lost.
Also the people in Canada have been using the Roadmatcher plugin with
OpenJump to make sure everything is matching. As for surfaces, I can give
you scripts showing how to calculate overlap with existing features.

Emilie Laffray
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