[postgis-users] TIGER/Line Shapefiles released

[Jonathan W. Lowe]

Stephen,

Have you yet tried overlaying TIGER 2007 linework or census block/tract
polygons over Google or OpenStreetMap tiles?  I'm seeing a good match in
some areas but a significant shift (~50 meters) in others.  Thought it
might be a datum conversion issue, but can't seem to find a match.

Jonathan

On Thu, 2008-04-03 at 17:07 -0400, Stephen Frost wrote:
> * Stephen Frost (sfrost at snowman.net) wrote:
> > I think they may have also upgraded their pipe..  I got about 1.41MB/s
> > (11 Mb/s) for the whole transfer.  It's about 22G all told.  I'll
> > probably be trying to load it up into PG on one of our servers tomorrow.
> > It was a bit over 4 hours for me to pull down off of their
> > ftp2.census.gov ftp site.
> 
> Just to update those who might be interested- I've finished the data
> load into one of our servers at work.  It comes to ~60GB on disk in
> PostgreSQL/PostGIS with appropriate indexes in most places and whatnot.
> Based on what I've seen so far, it looks *very* nice, especially the
> hydrogrophy ("areawater").  It also appears to be pretty consistant
> across the layers, which is also good.
> 
> If anyone's interested in the scripts used to load the data (they're
> pretty simple, really), I'd be happy to provide them.
> 
> 	Enjoy,
> 
> 		Stephen
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users