[OSM-talk] Tiger 2007 Data

Dave Hansen dave at sr71.net
Mon Oct 20 20:27:27 BST 2008


On Mon, 2008-10-20 at 09:43 +0200, vegard wrote:
> On Sun, Oct 19, 2008 at 10:54:55AM -0700, Dave Hansen wrote:
> > Has anyone looked at importing the TIGER 2007 data yet?  I was going to
> > start coding up the conversion utilities to get started.  It appears
> > that this shapefile format may have existing OSM converters out there.
> > Anyone want to admit to having one? ;)
> > 
> 
> I see it like this: What could be very useful to have, is a mapping
> between tiger data (old set) and OSM data. It could be to late for this
> round, but an external_id:tiger = XXXX that you'd *never* remove, is a
> good thing. That'll help when updating.

Umm.  We have this.  It's called a tlid, and it's already in the data
set.  When TIGER objects got combined into a single OSM object, I
preserved this tag.  I *also* submitted patches to JOSM to preserve this
tag when merging points and ways.

-- Dave





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